.challenge-unified-card {
  background: #f8fbff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.3rem;
  margin-top: 1.1rem;
  margin-bottom: 1.1rem;
  box-shadow: 0 4px 16px rgba(16, 27, 47, 0.04);
  display: grid;
  gap: 0.7rem;
}

.challenge-unified-row {
  font-size: 1.04rem;
  color: var(--ink);
  line-height: 1.6;
}

.challenge-unified-row strong {
  color: var(--brand-navy);
  font-weight: 700;
  margin-right: 0.4em;
}

.challenge-unified-list {
  margin: 0.2em 0 0.2em 1.2em;
  padding: 0;
  list-style: disc inside;
  color: var(--ink);
  font-size: 1.01rem;
  line-height: 1.5;
}
:root {--bg: #f9fafb;--bg-alt: #f8f9fa;--surface: #ffffff;--ink: #202124;--muted: #5f6368;--brand: #1a73e8;--brand-deep: #1558d6;--brand-navy: #174ea6;--brand-soft: #e8f0fe;--border: #e5e7eb;--success-bg: #e6f4ea;--success-border: transparent;--success-ink: #137333;--danger: #d93025;--track-1: #1a73e8;--track-1-deep: #1558d6;--track-1-soft: #e8f0fe;--track-2: #137333;--track-2-deep: #0d652d;--track-2-soft: #e6f4ea;--track-3: #c26401;--track-3-deep: #a85000;--track-3-soft: #fef1e1;}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 60% at 12% 0%, rgba(26, 115, 232, 0.08), transparent 60%),
    radial-gradient(ellipse 70% 60% at 92% 18%, rgba(19, 115, 51, 0.06), transparent 60%),
    radial-gradient(ellipse 90% 55% at 50% 95%, rgba(194, 100, 1, 0.05), transparent 65%),
    linear-gradient(180deg, #f5f7fb 0%, #f1f4f9 40%, #eef2f8 100%);
  background-attachment: fixed;
  font-family: "Sora", "Segoe UI", "Helvetica Neue", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(16, 27, 47, 0.045) 1px, transparent 1.4px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

main {
  flex: 1 0 auto;
}

.site-footer {
  flex-shrink: 0;
}

h1,
h2,
h3,
.brand {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.site-header,
main,
.site-footer {
  width: min(1280px, 96vw);
  margin: 0 auto;
}

.site-header {
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0.75rem;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--brand-navy);
  text-decoration: none;
  font-size: 1.38rem;
  font-weight: 800;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, #f7f9ff, #e8f0fe);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
  flex-shrink: 0;
}

.brand-mark-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-name {
  line-height: 1;
  font-size: 1.12rem;
}

.brand-meta {
  color: var(--muted);
  font-family: "Sora", "Segoe UI", sans-serif;
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 1;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.92rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  border-radius: 14px;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-link-track {
  padding: 0.42rem 0.85rem 0.42rem 0.58rem;
  gap: 0.55rem;
}

.nav-track-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
  gap: 0.05rem;
}

.nav-track-kicker {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.85;
}

.nav-link-track.is-active .nav-track-kicker {
  color: inherit;
  opacity: 0.75;
}

.nav-track-name {
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: -0.005em;
  white-space: nowrap;
}

.nav-link-track .nav-track-icon {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 9px;
  background: var(--brand-soft);
  border: 1px solid var(--border);
  padding: 0.32rem;
  color: var(--brand-deep);
}

.nav-link-track-1 .nav-track-icon {
  background: var(--track-1-soft);
  border-color: #c7dafd;
  color: var(--track-1-deep);
}

.nav-link-track-2 .nav-track-icon {
  background: var(--track-2-soft);
  border-color: #bddfc5;
  color: var(--track-2-deep);
}

.nav-link-track-3 .nav-track-icon {
  background: var(--track-3-soft);
  border-color: #f2d3b5;
  color: var(--track-3-deep);
}

.nav-link:hover {
  transform: translateY(-1px);
  background: #f4f7fb;
  border-color: var(--border);
  color: var(--brand-navy);
}

.nav-link.is-active {
  background: var(--brand-soft);
  border-color: #c7dafd;
  color: var(--brand-deep);
  box-shadow: 0 6px 14px rgba(23, 78, 166, 0.08);
}

.nav-link-track.is-active .nav-track-icon {
  background: #ffffff;
  border-color: rgba(255, 255, 255, 0.85);
  box-shadow: inset 0 0 0 1px rgba(16, 27, 47, 0.08);
}

.nav-link-track {
  color: var(--brand-navy);
}

.nav-track-icon {
  width: 1rem;
  height: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nav-track-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-link-track-1 {
  color: var(--track-1-deep);
}

.nav-link-track-1.is-active {
  background: var(--track-1-soft);
  border-color: #c7dafd;
}

.nav-link-track-2 {
  color: var(--track-2-deep);
}

.nav-link-track-2.is-active {
  background: var(--track-2-soft);
  border-color: #bddfc5;
}

.nav-link-track-3 {
  color: var(--track-3-deep);
}

.nav-link-track-3.is-active {
  background: var(--track-3-soft);
  border-color: #f2d3b5;
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-left: auto;
  flex-shrink: 0;
}

.user-chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  background: var(--surface);
  color: var(--brand-navy);
  font-size: 0.88rem;
  font-weight: 700;
}

.logout-form {
  margin: 0;
}

.guest-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.user-menu {
  position: relative;
}

.user-menu summary {
  list-style: none;
}

.user-menu summary::-webkit-details-marker {
  display: none;
}

.user-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  padding: 0.34rem 0.6rem 0.34rem 0.42rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--brand-navy);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.user-menu-trigger:hover {
  transform: translateY(-1px);
  border-color: #c7dafd;
  box-shadow: 0 10px 24px rgba(23, 78, 166, 0.08);
}

.user-menu[open] .user-menu-trigger {
  border-color: #c7dafd;
  box-shadow: 0 10px 24px rgba(23, 78, 166, 0.1);
}

.user-menu-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  flex-shrink: 0;
}

.user-menu-icon svg,
.user-menu-caret svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.user-menu-name {
  max-width: 13rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.9rem;
  font-weight: 700;
}

.user-menu-caret {
  color: var(--muted);
  transition: transform 0.2s ease;
}

.user-menu[open] .user-menu-caret {
  transform: rotate(180deg);
}

.user-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.55rem);
  min-width: 220px;
  padding: 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(16, 27, 47, 0.12);
}

.user-menu-label,
.user-menu-meta {
  margin: 0;
}

.user-menu-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.user-menu-display {
  display: block;
  margin-top: 0.32rem;
  color: var(--brand-navy);
  font-size: 1rem;
}

.user-menu-meta {
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.user-menu-role {
  display: inline-flex;
  margin-top: 0.7rem;
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  background: #f4f7fb;
  color: var(--brand-deep);
  font-size: 0.76rem;
  font-weight: 700;
}

.user-menu-logout {
  margin-top: 0.8rem;
}

.user-menu-logout-btn {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #f7f9fc;
  color: var(--brand-deep);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0.58rem 0.8rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.user-menu-logout-btn:hover {
  background: var(--brand-soft);
  border-color: #c7dafd;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem;
  margin: 0.8rem 0 1.4rem;
}

.eyebrow {
  color: var(--brand-deep);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.hero h1 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
  color: var(--brand-navy);
}

.hero-copy {
  max-width: 780px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.02rem;
}

.global-progress-card {
  margin-top: 1rem;
  display: grid;
  gap: 0.85rem;
  background: linear-gradient(180deg, #ffffff, #fbfcff);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem;
}

.overall-progress-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.overall-progress-title-block {
  display: grid;
  gap: 0.16rem;
}

.overall-progress-title-block strong {
  color: var(--brand-navy);
  font-size: 1.16rem;
}

.overall-progress-kicker {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.overall-progress-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.split-progress-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.split-progress-segment {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #edf1f7;
}

.split-progress-fill {
  height: 100%;
  border-radius: inherit;
}

.split-progress-fill-1 {
  background: linear-gradient(90deg, var(--track-1), var(--track-1-deep));
}

.split-progress-fill-2 {
  background: linear-gradient(90deg, var(--track-2), var(--track-2-deep));
}

.split-progress-fill-3 {
  background: linear-gradient(90deg, var(--track-3), var(--track-3-deep));
}

.split-progress-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.split-progress-meta-card {
  display: grid;
  gap: 0.22rem;
  padding: 0.72rem 0.76rem;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--border);
}

.split-progress-meta-head {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--brand-navy);
  font-size: 0.85rem;
  font-weight: 700;
}

.split-progress-meta-card strong {
  color: var(--ink);
  font-size: 1rem;
}

.split-progress-swatch {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  flex-shrink: 0;
}

.split-progress-swatch-1 {
  background: var(--track-1);
}

.split-progress-swatch-2 {
  background: var(--track-2);
}

.split-progress-swatch-3 {
  background: var(--track-3);
}

.progress-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.32rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.progress-label-row strong {
  color: var(--brand-navy);
}

.progress-bar {
  height: 10px;
  width: 100%;
  border-radius: 999px;
  background: #e6eeff;
  overflow: hidden;
}

.progress-bar.compact {
  height: 8px;
}

.progress-bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--brand);
}

.progress-native,
.mini-progress-native {
  width: 100%;
  appearance: none;
  border: 0;
}

.progress-native {
  height: 10px;
}

.progress-native.compact {
  height: 8px;
}

.mini-progress-native {
  width: 120px;
  height: 8px;
}

.progress-native::-webkit-progress-bar,
.mini-progress-native::-webkit-progress-bar {
  background: #e6eeff;
  border-radius: 999px;
}

.progress-native::-webkit-progress-value,
.mini-progress-native::-webkit-progress-value {
  background: var(--brand);
  border-radius: 999px;
}

.progress-native::-moz-progress-bar,
.mini-progress-native::-moz-progress-bar {
  background: var(--brand);
  border-radius: 999px;
}

.btn {
  margin-top: 0.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  border: 0;
  border-radius: 10px;
  padding: 0.66rem 1.15rem;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: var(--brand-deep);
  box-shadow: 0 4px 14px rgba(26, 115, 232, 0.18);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

.btn.small {
  margin-top: 0;
  padding: 0.42rem 0.82rem;
  font-size: 0.84rem;
}

.btn.btn-secondary {
  background: var(--chip-bg, #f4f8ff);
  color: var(--brand-deep);
  border: 1px solid var(--chip-border, #c7dafd);
}

.btn.btn-secondary:hover {
  background: var(--chip-bg-hover, #e8f0fe);
  color: var(--brand-navy);
}

.btn.is-active {
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
}

.hero-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.hero-track-btn {
  min-width: 10.5rem;
}

.hero-track-btn-1 {
  background: var(--track-1);
}

.hero-track-btn-1:hover {
  background: var(--track-1-deep);
}

.hero-track-btn-2 {
  background: #1252bf;
}

.hero-track-btn-2:hover {
  background: #0f44a0;
}

.hero-track-btn-3 {
  background: #174ea6;
}

.hero-track-btn-3:hover {
  background: #103b82;
}

.btn.danger {
  background: var(--danger);
}

.demo-credentials {
  margin-bottom: 1.2rem;
}

.demo-credentials h2 {
  margin-bottom: 0.3rem;
  color: var(--brand-navy);
}

.demo-credentials p {
  color: var(--muted);
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.8rem;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.track-card,
.challenge-card,
.challenge-info,
.chat-panel,
.credential-card,
.auth-card,
.auth-demo-users,
.admin-rate-panel,
.admin-actions-panel,
.admin-stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
}

.track-card {
  display: grid;
  gap: 0.55rem;
}

.track-label {
  margin: 0;
  color: var(--brand-deep);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 800;
}

.track-card h2 {
  margin: 0;
  color: var(--brand-navy);
}

.track-card > p {
  margin: 0;
}

.track-challenge-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
}

.track-challenge-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  padding: 0.44rem 0.55rem;
  border-bottom: 1px solid #e7eeff;
  font-size: 0.82rem;
}

.track-challenge-list li:last-child {
  border-bottom: 0;
}

/* ── Status Dots (icon-only, no text labels) ──────────────── */
@keyframes pulse-live {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
  70%  { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

@keyframes pop-in {
  0%   { transform: scale(0); opacity: 0; }
  65%  { transform: scale(1.18); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.status-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 50%;
}

.status-dot--live {
  width: 10px;
  height: 10px;
  background: #22c55e;
  animation: pulse-live 2s ease-in-out infinite;
}

.status-dot--solved {
  width: 18px;
  height: 18px;
  background: #16a34a;
}

.status-dot--solved svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.status-dot--soon {
  width: 18px;
  height: 18px;
  background: #e5e7eb;
}

.status-dot--soon svg {
  width: 9px;
  height: 9px;
  fill: none;
  stroke: #9ca3af;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Keep .mini-status as alias during transition */
.mini-status { display: none; }

.meta,
.status-text,
.flow-tip {
  color: var(--muted);
}

.card-link {
  color: var(--brand-deep);
  text-decoration: none;
  font-weight: 800;
}

.track-head {
  margin: 0.95rem 0;
}

.track-head h1 {
  margin: 0.2rem 0;
  color: var(--brand-navy);
}

.track-progress-card {
  margin: 0.2rem 0 0.9rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.7rem 0.8rem;
}

.track-progress-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.challenge-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.challenge-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 18px;
  outline-offset: 3px;
}

.challenge-card-link:hover .challenge-card {
  transform: translateY(-5px);
  box-shadow: 0 24px 48px rgba(16, 27, 47, 0.14);
}

.challenge-card-link:hover .challenge-cover-img img {
  transform: scale(1.04);
}

.challenge-card-link:hover .card-cta {
  gap: 0.55rem;
  color: var(--brand-navy);
}

.challenge-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 2px 12px rgba(16, 27, 47, 0.05);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.challenge-card.live {
  border-color: var(--border);
}

.challenge-card.is-solved {
  border-color: rgba(22, 163, 74, 0.24);
}

.challenge-card.soon {
  opacity: 0.7;
  pointer-events: none;
}

.challenge-card h2 {
  margin: 0;
  color: var(--brand-navy);
  font-size: 1.1rem;
}

.challenge-cover-img {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #eef4ff;
}

.challenge-cover-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border);
  transition: transform 0.3s ease;
}

/* Solved cover tint */
.challenge-card.is-solved .challenge-cover-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(22, 163, 74, 0.09);
  pointer-events: none;
  z-index: 1;
}

/* Card status badge overlay */
.card-status-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.card-status-badge--live {
  width: 12px;
  height: 12px;
  background: #22c55e;
  animation: pulse-live 2s ease-in-out infinite;
}

.card-status-badge--solved {
  width: 28px;
  height: 28px;
  background: #16a34a;
  animation: pop-in 0.32s ease;
}

.card-status-badge--solved svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-status-badge--soon {
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(4px);
}

.card-status-badge--soon svg {
  width: 13px;
  height: 13px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Coming soon dim overlay */
.card-soon-overlay {
  position: absolute;
  inset: 0;
  background: rgba(248, 249, 250, 0.42);
  pointer-events: none;
  z-index: 1;
}

.challenge-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem 1.25rem 0.5rem;
  flex-grow: 1;
}

.challenge-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.challenge-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.challenge-meta-row {
  margin: 0;
  font-size: 0.84rem;
}

.challenge-card-footer {
  padding: 0.72rem 1.2rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: auto;
}

.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--brand-deep);
  font-size: 0.84rem;
  font-weight: 700;
  transition: gap 0.18s ease, color 0.18s ease;
}

.card-cta svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.18s ease;
}

.challenge-card-link:hover .card-cta svg {
  transform: translateX(3px);
}

/* Difficulty + points chips */
.challenge-chip-row {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.challenge-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  padding: 0.16rem 0.48rem;
  background: #f1f5ff;
  border: 1px solid #dce8ff;
  color: var(--brand-deep);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.challenge-chip.chip-pts {
  background: var(--brand-soft);
  border-color: #c7dafd;
  color: var(--brand-navy);
}

.pill {
  background: #f1f5ff;
  color: #5e6d89;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: 0.84rem;
  font-weight: 700;
}

.challenge-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  margin-bottom: 2rem;
  min-height: calc(100vh - 14rem);
}

.challenge-id {
  color: var(--brand-deep);
  font-weight: 800;
  font-size: 0.95rem;
}

.solved-tick {
  display: none;
}

/* Icon-only solved indicator (mission header) */
.solved-tick-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: #16a34a;
  border-radius: 50%;
  flex-shrink: 0;
  animation: pop-in 0.32s ease;
  box-shadow: 0 2px 10px rgba(22, 163, 74, 0.3);
}

.solved-tick-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.challenge-info h1 {
  color: var(--brand-navy);
  margin: 0.4rem 0 0.8rem;
}

.chat-panel {
  position: relative;
}

.challenge-layout-workbench {
  align-items: start;
}

.challenge-brief-panel,
.challenge-workspace-panel {
  min-width: 0;
}

.challenge-brief-card,
.workspace-card,
.workspace-sidebar .sidebar-drawer,
.workspace-flag-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 14px 35px rgba(16, 27, 47, 0.05);
}

.challenge-brief-card {
  padding: 1.15rem;
}

.challenge-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.challenge-hero-copy {
  display: grid;
  gap: 1rem;
}

.challenge-stage-media {
  display: grid;
  align-items: start;
}

.challenge-stage-media img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.challenge-meta-row,
.challenge-title-row,
.workspace-header-bar,
.workspace-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.8rem;
}

.challenge-meta-row {
  margin-bottom: 0.55rem;
  flex-wrap: wrap;
}

.challenge-title-row {
  margin-bottom: 0.55rem;
  align-items: center;
}

.challenge-title-row h1,
.workspace-header-bar h2,
.challenge-brief-block h2 {
  margin: 0;
  color: var(--brand-navy);
}

.challenge-summary-copy {
  margin: 0 0 1rem;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.55;
}

.challenge-mode-pill {
  display: none;
}

.challenge-brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.challenge-brief-grid.compact {
  margin-bottom: 0;
}

.challenge-brief-drawer {
  margin-top: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.challenge-brief-drawer summary {
  list-style: none;
  cursor: pointer;
  padding: 0.85rem 0.95rem;
  font-weight: 800;
  color: var(--brand-navy);
}

.challenge-brief-drawer summary::-webkit-details-marker {
  display: none;
}

.challenge-brief-drawer summary::after {
  content: "+";
  float: right;
  color: var(--brand-deep);
}

.challenge-brief-drawer[open] summary::after {
  content: "-";
}

.challenge-brief-drawer-content {
  padding: 0 0.95rem 0.95rem;
}

.challenge-brief-block {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.95rem;
  background: #fbfcff;
}

.challenge-brief-block.accent {
  background: linear-gradient(180deg, #f7faff, #eef5ff);
  border-color: #d7e4ff;
}

.challenge-brief-block h2 {
  font-size: 1rem;
  margin-bottom: 0.45rem;
}

.challenge-brief-block p {
  margin: 0;
  line-height: 1.5;
}

.compact-block {
  background: var(--surface);
}

.mission-steps,
.sidebar-list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.5rem;
}

.workspace-header-bar {
  margin-bottom: 0.85rem;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, #ffffff, #f8fbff);
  border: 1px solid var(--border);
  border-radius: 18px;
}

.workspace-header-bar .eyebrow,
.workspace-header-bar .meta {
  margin: 0;
}

.workspace-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.challenge-workspace-panel {
  min-height: 60vh;
}

.workspace-sidebar-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.workspace-sidebar-controls .drawer-control {
  flex: 1 1 0;
  min-height: 2.1rem;
}

.workspace-primary,
.workspace-sidebar {
  display: grid;
  gap: 0.9rem;
}

.workspace-card {
  padding: 1rem;
}

.workspace-card-head {
  margin-bottom: 0.8rem;
}

.workspace-card-head h3,
.sidebar-drawer summary,
.breadcrumb span {
  color: var(--brand-navy);
}

.workspace-note-box {
  border: 1px dashed #c7d7f7;
  border-radius: 14px;
  padding: 0.95rem;
  background: #f8fbff;
}

.workspace-note-box strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--brand-navy);
}

.workspace-note-box p {
  margin: 0;
}

.flag-box {
  margin-bottom: 0.75rem;
  background: var(--success-bg);
  color: var(--success-ink);
  border: 1px solid var(--success-border);
  border-radius: 14px;
  padding: 0.75rem;
}

.flag-box code {
  display: block;
  margin-top: 0.35rem;
  word-break: break-all;
  font-size: 0.9rem;
}

.chat-log {
  min-height: 300px;
  max-height: 520px;
  overflow: auto;
  margin-bottom: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem;
  background: var(--surface);
}

.msg {
  margin-bottom: 0.58rem;
}

.msg p {
  margin: 0;
  line-height: 1.45;
}

.chat-log.simple-chat-log {
  background: linear-gradient(180deg, #fbfcff, #f4f8ff);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  font-family: inherit;
}

.simple-chat-log .msg {
  margin-bottom: 0.8rem;
  border: 1px solid var(--border);
  border-left: 4px solid #cdddff;
  background: var(--surface);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
}

.simple-chat-log .msg:last-child {
  margin-bottom: 0;
}

.simple-chat-log .msg strong {
  display: block;
  font-size: 0.85rem;
  color: var(--brand-deep);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.simple-chat-log .msg.assistant strong {
  color: var(--success-ink);
}

.simple-chat-log .msg.user {
  border-left-color: var(--track-1);
}

.simple-chat-log .msg.assistant {
  border-left-color: var(--track-2);
}

.simple-chat-log .msg.status {
  border-left-color: var(--track-3);
  background: #fffaf1;
}

.simple-chat-form {
  margin-top: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: end;
}

.chat-header h3 {
  margin: 0 0 1rem 0;
  font-size: 1.1rem;
  color: var(--brand-navy);
}

.breadcrumb-container {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border-radius: 14px;
  border: 1px solid var(--border);
}

.breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 0.45rem;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--brand);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb li {
  color: var(--muted);
}

.breadcrumb-sep {
  color: var(--muted);
}

.chat-form {
  display: grid;
  gap: 0.44rem;
}

label {
  font-weight: 700;
  color: var(--brand-navy);
}

textarea,
input {
  width: 100%;
  padding: 0.65rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-family: inherit;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

textarea:focus,
input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

textarea {
  resize: vertical;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(320px, 560px) minmax(320px, 1fr);
  gap: 1rem;
  margin: 0.8rem 0 1.8rem;
}

.auth-layout.auth-layout-single {
  grid-template-columns: minmax(320px, 760px);
}

.auth-card h1,
.auth-demo-users h2,
.admin-head h1,
.admin-rate-panel h2,
.admin-actions-panel h2 {
  color: var(--brand-navy);
}

.auth-copy,
.auth-alt-link,
.auth-alt-link a {
  color: var(--muted);
}

.auth-alt-link a {
  font-weight: 700;
}

.auth-error,
.admin-banner.error {
  margin: 0.55rem 0;
  border: 1px solid #f3c2c2;
  background: #fff1f1;
  color: var(--danger);
  border-radius: 12px;
  padding: 0.55rem 0.85rem;
  font-weight: 600;
}

.admin-banner.success {
  margin: 0.55rem 0;
  border: 1px solid #bdd5ff;
  background: #edf5ff;
  color: var(--brand-deep);
  border-radius: 12px;
  padding: 0.55rem 0.85rem;
  font-weight: 600;
}

.auth-form {
  display: grid;
  gap: 0.5rem;
}

.auth-demo-inline {
  margin: 0 0 0.75rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, #fbfcff, #f4f8ff);
}

.auth-demo-inline h2 {
  margin: 0;
  color: var(--brand-navy);
  font-size: 1rem;
}

.auth-demo-inline-top {
  margin-top: 0.1rem;
}

.demo-login-button-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 0.65rem;
}

.demo-login-form {
  margin: 0;
}

.demo-login-btn {
  width: 100%;
  min-height: 2.8rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.demo-btn-icon {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.demo-login-button-row-compact .demo-login-btn {
  margin-top: 0;
}

.demo-login-btn-red {
  background: #1a73e8;
}

.demo-login-btn-red:hover {
  background: #1558d6;
}

.demo-login-btn-blue {
  background: #1252bf;
}

.demo-login-btn-blue:hover {
  background: #0f44a0;
}

.demo-login-btn-admin {
  background: #174ea6;
}

.demo-login-btn-admin:hover {
  background: #103b82;
}

.auth-card,
.auth-visual-panel {
  border-radius: 20px;
  padding: 1.15rem;
  box-shadow: 0 18px 45px rgba(16, 27, 47, 0.06);
}

.auth-card {
  display: grid;
  align-content: start;
  gap: 0.3rem;
}

.auth-card > .eyebrow,
.auth-card > h1,
.auth-card > .auth-copy,
.auth-card > .auth-alt-link,
.auth-visual-panel > .auth-copy,
.auth-visual-panel > h2 {
  margin: 0;
}

.auth-card h1 {
  line-height: 1.05;
}

.auth-visual-panel {
  display: grid;
  align-content: start;
  gap: 0.7rem;
  background: linear-gradient(180deg, #ffffff, #f7faff);
}

.auth-visual-kicker {
  margin: 0;
  color: var(--brand-deep);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-visual-panel h2 {
  margin: 0;
  color: var(--brand-navy);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  line-height: 1.2;
}

.auth-visual-media {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #eef4ff;
}

.auth-visual-media img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.auth-visual-pill-row,
.auth-rule-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.auth-visual-pill,
.auth-rule-list span {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.36rem 0.72rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--brand-navy);
  font-size: 0.82rem;
  font-weight: 700;
}

.auth-visual-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.auth-visual-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.6rem 0.4rem;
  background: oklch(0.18 0.012 250);
  border-radius: 12px;
  border: 1px solid oklch(0.26 0.015 250);
}

.auth-visual-stat strong {
  font-size: 1.35rem;
  font-weight: 800;
  color: oklch(0.92 0.01 250);
}

.auth-visual-stat span {
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: oklch(0.6 0.02 250);
}

.auth-card .btn:not(.small) {
  margin-top: 0.2rem;
  min-height: 2.9rem;
}

.admin-head {
  margin-top: 0.8rem;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 0.8rem 0;
}

.admin-stat-card {
  box-shadow: 0 2px 8px rgba(16, 27, 47, 0.04);
}

.admin-head-slim h1 {
  margin: 0.1rem 0 0.4rem;
}

.admin-head-slim .eyebrow + h1 {
  font-size: 1.6rem;
}

.admin-stat-icon {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "icon num"
    "icon label";
  align-items: center;
  column-gap: 0.85rem;
  row-gap: 0.05rem;
  padding: 1rem 1.1rem;
}

.admin-stat-glyph {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 12px;
  background: oklch(0.95 0.012 250);
  color: oklch(0.45 0.1 250);
}

.admin-stat-glyph svg {
  width: 1.2rem;
  height: 1.2rem;
}

.admin-stat-num {
  grid-area: num;
  margin: 0;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--brand-navy);
  line-height: 1;
}

.admin-stat-label {
  grid-area: label;
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-quick-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.4rem;
}

.admin-quick-tile {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.95rem;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--brand-navy);
  transition: border-color 0.2s ease, transform 0.18s ease, box-shadow 0.2s ease;
}

.admin-quick-tile:hover {
  border-color: oklch(0.78 0.07 250);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(16, 27, 47, 0.06);
}

.admin-quick-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 12px;
  background: oklch(0.94 0.025 250);
  color: oklch(0.4 0.13 250);
}

.admin-quick-icon svg {
  width: 1.3rem;
  height: 1.3rem;
}

.admin-quick-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.admin-quick-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--brand-navy);
}

.admin-quick-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.admin-quick-arrow {
  display: grid;
  place-items: center;
  color: oklch(0.55 0.05 250);
}

.admin-quick-arrow svg {
  width: 1.1rem;
  height: 1.1rem;
}

.admin-section {
  margin: 0 0 1.6rem;
}

.admin-section-title {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--brand-navy);
}

.admin-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
  gap: 0.5rem;
}

.admin-section-head .admin-section-title {
  margin: 0;
}

.admin-section-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-pill {
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: oklch(0.94 0.02 250);
  border: 1px solid oklch(0.88 0.025 250);
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: oklch(0.4 0.06 250);
}

.admin-track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 0.85rem;
}

.admin-track-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.95rem;
  padding: 1.05rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-decoration: none;
  color: var(--brand-navy);
  transition: border-color 0.2s ease, transform 0.18s ease, box-shadow 0.2s ease;
}

.admin-track-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(16, 27, 47, 0.07);
}

.admin-track-icon {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 12px;
}

.admin-track-icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.track-accent-pi .admin-track-icon {
  background: oklch(0.93 0.04 250);
  color: oklch(0.4 0.14 250);
}

.track-accent-pi:hover {
  border-color: oklch(0.75 0.1 250);
}

.track-accent-aw .admin-track-icon {
  background: oklch(0.94 0.05 150);
  color: oklch(0.4 0.13 150);
}

.track-accent-aw:hover {
  border-color: oklch(0.75 0.1 150);
}

.track-accent-ha .admin-track-icon {
  background: oklch(0.94 0.05 60);
  color: oklch(0.45 0.14 60);
}

.track-accent-ha:hover {
  border-color: oklch(0.78 0.12 60);
}

.admin-track-body {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  min-width: 0;
}

.admin-track-name {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--brand-navy);
}

.admin-track-meta {
  font-size: 0.78rem;
  color: var(--muted);
}

.admin-track-status {
  display: grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  background: oklch(0.96 0.04 150);
  color: oklch(0.45 0.15 150);
}

.admin-track-status svg {
  width: 0.95rem;
  height: 0.95rem;
}

.admin-progress-cell {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.admin-icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--brand-deep);
  cursor: pointer;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.admin-icon-btn svg {
  width: 0.95rem;
  height: 0.95rem;
}

.admin-icon-btn:hover {
  background: var(--brand-soft);
  border-color: oklch(0.78 0.06 250);
}

.admin-icon-btn-danger {
  color: oklch(0.48 0.16 25);
}

.admin-icon-btn-danger:hover {
  background: oklch(0.96 0.025 25);
  border-color: oklch(0.78 0.1 25);
  color: oklch(0.42 0.18 25);
}

.btn-danger-ghost {
  background: oklch(0.97 0.015 25);
  border-color: oklch(0.85 0.06 25);
  color: oklch(0.42 0.17 25);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-danger-ghost:hover {
  background: oklch(0.94 0.03 25);
}

.admin-stat-card h3 {
  margin: 0 0 0.3rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.admin-stat-card p {
  margin: 0;
  color: var(--brand-navy);
  font-size: 1.32rem;
  font-weight: 800;
}

.admin-rate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.admin-stat-card.compact p {
  font-size: 1.1rem;
}

.admin-actions-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.55rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.admin-table th {
  color: var(--brand-navy);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.admin-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.admin-action-buttons form {
  margin: 0;
}

.admin-solutions-panel {
  margin-bottom: 0.9rem;
}

.admin-solutions-metrics .admin-stat-card.compact {
  min-height: 100%;
}

.admin-stat-text {
  font-size: 0.95rem;
  line-height: 1.35;
}

.admin-solution-grid-compact {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.admin-solution-grid-expanded {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.admin-solution-card {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.admin-solution-card .btn,
.admin-solution-card .pill {
  width: fit-content;
}

.admin-solution-card.missing {
  border-color: #f0c36d;
  background: #fff9ef;
}

.admin-solution-card.orphan {
  border-color: #cfd7e6;
  background: #f6f9ff;
}

.admin-index-details {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
}

.admin-index-details summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 0.95rem;
  font-weight: 800;
  color: var(--brand-navy);
}

.admin-index-details summary::-webkit-details-marker {
  display: none;
}

.admin-index-details summary::after {
  content: "+";
  float: right;
  color: var(--brand-deep);
}

.admin-index-details[open] summary::after {
  content: "-";
}

.solution-doc-inline {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--border);
  border-radius: 0;
}

.admin-solution-detail-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.admin-solution-nav {
  position: sticky;
  top: 5.2rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  padding: 0.8rem;
}

.admin-solution-nav h2 {
  margin: 0 0 0.7rem;
  color: var(--brand-navy);
  font-size: 1rem;
}

.admin-solution-nav-list {
  display: grid;
  gap: 0.55rem;
}

.admin-solution-nav-item {
  display: grid;
  gap: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.6rem 0.65rem;
  text-decoration: none;
  color: var(--ink);
  background: var(--bg);
}

.admin-solution-nav-item strong {
  color: var(--brand-navy);
  font-size: 0.9rem;
}

.admin-solution-nav-item span {
  color: var(--muted);
  font-size: 0.8rem;
}

.admin-solution-nav-item:hover {
  border-color: #c7dafd;
  background: var(--brand-soft);
}

.admin-solution-nav-item.is-active {
  border-color: #9ab7f8;
  background: #edf4ff;
}

.admin-solution-nav-item.is-missing {
  opacity: 0.76;
}

.admin-solution-doc-main {
  margin: 0 0 2rem;
  border-radius: 14px;
}

/* Horizontal solution tabs (replaces vertical sidebar nav) */
.solutions-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0 0 1.4rem;
  padding: 0.55rem;
  background: oklch(0.97 0.008 250);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.solutions-tab {
  flex: 1 1 200px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.95rem;
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: 10px;
  text-decoration: none;
  color: var(--brand-navy);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.solutions-tab:hover {
  border-color: oklch(0.85 0.04 250);
  transform: translateY(-1px);
}

.solutions-tab.is-active {
  border-color: transparent;
  background: var(--brand-navy);
  color: oklch(0.98 0 0);
}

.solutions-tab.is-active .solutions-tab-meta {
  color: oklch(0.85 0.02 250);
}

.solutions-tab[aria-disabled="true"] {
  opacity: 0.55;
  pointer-events: none;
}

.solutions-tab-icon {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 9px;
}

.solutions-tab-icon svg {
  width: 1.05rem;
  height: 1.05rem;
}

.solutions-tab-pi .solutions-tab-icon { background: oklch(0.94 0.04 250); color: oklch(0.4 0.14 250); }
.solutions-tab-aw .solutions-tab-icon { background: oklch(0.95 0.05 150); color: oklch(0.4 0.13 150); }
.solutions-tab-ha .solutions-tab-icon { background: oklch(0.95 0.05 60); color: oklch(0.45 0.14 60); }

.solutions-tab.is-active .solutions-tab-icon {
  background: oklch(1 0 0 / 0.12);
  color: oklch(0.98 0 0);
}

.solutions-tab-body {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.solutions-tab-name {
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.solutions-tab-meta {
  font-size: 0.74rem;
  color: var(--muted);
}

.solutions-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  padding: 3.5rem 1rem;
  background: var(--surface);
  border: 1px dashed oklch(0.85 0.02 250);
  border-radius: 16px;
  color: var(--muted);
}

.solutions-empty-glyph {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 14px;
  background: oklch(0.95 0.015 250);
  color: oklch(0.5 0.08 250);
}

.solutions-empty-glyph svg {
  width: 1.5rem;
  height: 1.5rem;
}

.solutions-empty-state p {
  margin: 0;
  font-size: 0.95rem;
}

.solution-doc-wide {
  margin: 0 0 2rem;
  padding: 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  max-width: none;
}

.solution-doc-wide :where(table) {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.88rem;
}

.solution-doc-wide :where(th, td) {
  padding: 0.65rem 0.8rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.solution-doc-wide :where(th) {
  background: oklch(0.97 0.008 250);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.solution-doc-wide :where(code) {
  padding: 0.1rem 0.35rem;
  background: oklch(0.95 0.01 250);
  border-radius: 6px;
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.84em;
}

.logs-filter-bar {
  margin-bottom: 1.2rem;
}

.logs-filter-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
}

.logs-filter-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.logs-filter-field label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.logs-filter-field input,
.logs-filter-field select {
  min-width: 140px;
  max-width: 200px;
  padding: 0.45rem 0.65rem;
  font-size: 0.85rem;
}

.logs-table-wrap {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.logs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9rem;
}

.logs-table th,
.logs-table td {
  padding: 1rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  line-height: 1.45;
}

.logs-table tbody tr:hover {
  background: oklch(0.98 0.008 250);
}

.logs-table th {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface);
  position: sticky;
  top: 0;
}

.logs-row:hover {
  background: var(--brand-soft);
}

.log-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.log-badge-solved {
  background: #e6f4ea;
  color: #137333;
}

.log-badge-active {
  background: #e8f0fe;
  color: #1a73e8;
}

.log-badge-pattern {
  background: #fef3e0;
  color: #c26401;
}

.log-badge-rate {
  background: #fce8e6;
  color: #c5221f;
}

.log-badge-provider {
  background: #e8eaf6;
  color: #4a4bbd;
}

.logs-detail-row td {
  padding: 0;
  border-bottom: 2px solid var(--border);
}

.log-conversation {
  max-height: 500px;
  overflow-y: auto;
  padding: 0.75rem;
  background: oklch(0.97 0.005 250);
  display: grid;
  gap: 0.5rem;
}

.log-turn {
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.log-turn-user {
  background: var(--surface);
}

.log-turn-assistant {
  background: oklch(0.99 0.003 250);
}

.log-turn-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.log-turn-role {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.log-turn-content {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.84rem;
  font-family: "Space Grotesk", "Consolas", monospace;
  line-height: 1.55;
  color: var(--ink);
}

.logs-empty {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
}

.logs-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin-top: 0.95rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-alt);
}
.logs-pagination-info {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}
.logs-pagination-info strong {
  color: var(--ink);
  font-weight: 800;
}
.logs-pagination-list {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.logs-pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.62rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.15s ease;
}
.logs-pagination-link:hover:not(.is-disabled):not(.is-current) {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand-deep);
  transform: translateY(-1px);
}
.logs-pagination-link.is-current {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  cursor: default;
}
.logs-pagination-link.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}
.logs-pagination-nav {
  padding: 0 0.78rem;
}
.logs-pagination-gap {
  display: inline-flex;
  align-items: flex-end;
  padding: 0 0.25rem;
  color: var(--muted);
  font-weight: 700;
  user-select: none;
}

@media (max-width: 640px) {
  .logs-pagination { justify-content: center; }
  .logs-pagination-info { text-align: center; flex: 1 1 100%; }
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  margin: 2rem auto 1.6rem;
  padding: 1.6rem 2rem 1.4rem;
  background: oklch(0.985 0.004 250);
  border: 1px solid oklch(0.9 0.012 250);
  border-radius: 20px;
  color: var(--muted);
}

.site-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.site-footer-row-bottom {
  padding-top: 1.1rem;
  border-top: 1px solid oklch(0.93 0.012 250);
}

.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
}

.site-footer-logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.65rem;
  background: oklch(1 0 0);
  border: 1px solid oklch(0.91 0.012 250);
  border-radius: 12px;
}

.site-footer-logo {
  width: 96px;
  max-width: 22vw;
  height: auto;
  display: block;
}

.site-footer-brand-copy {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.15;
}

.site-footer-kicker {
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: oklch(0.55 0.03 250);
  margin-bottom: 0.18rem;
}

.site-footer-title {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--brand-navy);
}

.site-footer-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  background: transparent;
  color: var(--brand-deep);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-footer-nav a svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.site-footer-nav a:hover {
  background: oklch(0.94 0.015 250);
  color: var(--brand-navy);
}

.site-footer-nav-quiet {
  color: oklch(0.5 0.02 250) !important;
}

.site-footer-credit {
  margin: 0;
  font-size: 0.88rem;
  color: oklch(0.28 0.02 250);
}

.site-footer-credit a {
  color: var(--brand-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-footer-credit a:hover {
  border-bottom-color: currentColor;
}

.site-footer-tagline {
  margin: 0;
  font-size: 0.8rem;
  font-style: italic;
  color: oklch(0.5 0.025 250);
}

@media (max-width: 720px) {
  .site-footer {
    padding: 1.3rem 1.2rem 1.1rem;
    margin: 1.2rem auto 1rem;
  }

  .site-footer-row {
    gap: 1.1rem;
  }

  .site-footer-nav {
    justify-content: flex-start;
  }

  .site-footer-row-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

@media (max-width: 1060px) {
  .site-header {
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
  }

  .site-header-actions {
    margin-left: 0;
  }

  .track-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .admin-rate-grid {
    grid-template-columns: 1fr;
  }

  .admin-solution-detail-layout {
    grid-template-columns: 1fr;
  }

  .admin-solution-nav {
    position: static;
    top: auto;
  }

  .hero-immersive,
  .track-showcase-row,
  .track-head-immersive {
    grid-template-columns: 1fr;
  }

  .hero-media-stack {
    max-width: 720px;
  }
}

@media (max-width: 930px) {
  .challenge-layout,
  .auth-layout,
  .track-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    align-items: flex-start;
    gap: 0.55rem;
    padding: 0.85rem;
    top: 0.45rem;
  }

  .site-nav,
  .site-header-actions,
  .guest-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .user-menu {
    width: 100%;
  }

  .user-menu-trigger {
    width: 100%;
    justify-content: space-between;
  }

  .user-menu-panel {
    left: 0;
    right: auto;
    width: min(100%, 280px);
  }

  .admin-actions-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .split-progress-bar,
  .split-progress-meta-grid {
    grid-template-columns: 1fr;
  }

  .demo-login-button-row {
    grid-template-columns: 1fr;
  }

  .challenge-brief-grid,
  .workspace-shell,
  .challenge-hero-grid,
  .simple-chat-form {
    grid-template-columns: 1fr;
  }

  .workspace-sidebar {
    position: static;
    top: auto;
  }

  .workspace-header-bar,
  .workspace-card-head,
  .challenge-meta-row,
  .challenge-title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-card,
  .auth-visual-panel {
    padding: 1rem;
    border-radius: 16px;
  }

  .hero {
    padding: 1.35rem;
  }

  .hero-badges {
    position: static;
    margin-top: 0.65rem;
  }

  .site-footer {
    grid-template-columns: 1fr;
    align-items: flex-start;
    padding: 0.9rem;
  }

  .site-footer-organizer {
    gap: 0.65rem;
  }

  .site-footer-logo {
    width: 112px;
    max-width: 52vw;
  }

  .site-footer-links {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    white-space: normal;
  }

  .site-footer-links a {
    min-height: 2.2rem;
  }
}


.ctf-status-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: oklch(0.18 0.012 250);
  border-radius: 16px;
  border: 1px solid oklch(0.28 0.015 250);
}

/* ===== Prominent countdown hero (homepage) ===== */
.ctf-countdown-hero {
  position: relative;
  display: grid;
  gap: 1.15rem;
  margin: 0.4rem 0 1.8rem;
  padding: 1.35rem 1.5rem 1.5rem;
  border-radius: 20px;
  color: #f4f7fb;
  background:
    radial-gradient(ellipse 70% 60% at 15% 0%, rgba(85, 130, 230, 0.32), transparent 65%),
    radial-gradient(ellipse 60% 70% at 100% 100%, rgba(255, 140, 80, 0.22), transparent 65%),
    linear-gradient(135deg, #0f1a35 0%, #142447 45%, #1b2f5a 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 50px rgba(15, 26, 53, 0.18);
  overflow: hidden;
}

.ctf-countdown-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.06) 1px, transparent 1.4px);
  background-size: 22px 22px;
  pointer-events: none;
  opacity: 0.65;
}

.ctf-countdown-hero > * {
  position: relative;
  z-index: 1;
}

.countdown-hero-head {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: end;
  gap: 1.25rem;
}

.countdown-hero-headline {
  display: grid;
  gap: 0.32rem;
}

.countdown-hero-kicker {
  display: inline-flex;
  align-self: start;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #d8e4ff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.countdown-hero-window {
  margin: 0;
  font-family: "Space Grotesk", "Sora", "Segoe UI", sans-serif;
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #ffffff;
  line-height: 1.15;
}

.countdown-hero-sub {
  color: rgba(229, 235, 248, 0.78);
  font-size: 0.92rem;
  line-height: 1.45;
}

.countdown-hero-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  align-content: end;
}

.countdown-hero-meta-card {
  display: grid;
  gap: 0.2rem;
  padding: 0.65rem 0.8rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.countdown-hero-meta-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(216, 228, 255, 0.7);
}

.countdown-hero-meta-value {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.005em;
}

.countdown-hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.7rem;
}

.countdown-hero-cell {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.2rem;
  padding: 1.05rem 0.5rem 0.85rem;
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.countdown-hero-cell strong {
  font-family: "Space Grotesk", "Sora", "Segoe UI", sans-serif;
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: #ffffff;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.countdown-hero-cell span {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(216, 228, 255, 0.75);
}

@media (max-width: 900px) {
  .countdown-hero-head {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1rem;
  }
  .countdown-hero-meta {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 540px) {
  .ctf-countdown-hero {
    padding: 1.1rem 1.05rem 1.2rem;
    border-radius: 16px;
  }
  .countdown-hero-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
  }
  .countdown-hero-cell {
    padding: 0.85rem 0.4rem 0.7rem;
    border-radius: 12px;
  }
  .countdown-hero-cell strong {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }
  .countdown-hero-meta {
    grid-template-columns: 1fr;
  }
}

.status-bar-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0.75rem;
}

.status-bar-item + .status-bar-item {
  border-left: 1px solid oklch(0.28 0.015 250);
  padding-left: 1.5rem;
}

.status-bar-icon {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: oklch(0.22 0.015 250);
  border-radius: 10px;
}

.status-bar-icon svg {
  width: 1.15rem;
  height: 1.15rem;
  color: oklch(0.75 0.12 250);
}

.status-bar-content {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.status-bar-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: oklch(0.6 0.02 250);
}

.status-bar-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: oklch(0.92 0.01 250);
}

.countdown-display {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 2.2rem;
}

.countdown-unit strong {
  font-size: 1.35rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  color: oklch(0.92 0.01 250);
}

.countdown-unit small {
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: oklch(0.55 0.02 250);
}

.countdown-sep {
  font-size: 1rem;
  font-weight: 600;
  color: oklch(0.45 0.015 250);
  margin: 0 0.05rem;
  align-self: flex-start;
  line-height: 1.35;
}

@media (max-width: 720px) {
  .ctf-status-bar {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .status-bar-item + .status-bar-item {
    border-left: none;
    border-top: 1px solid oklch(0.28 0.015 250);
    padding-left: 0.75rem;
    padding-top: 0.85rem;
  }
}

.track-showcase {
  display: grid;
  gap: 1.35rem;
  margin-bottom: 2.2rem;
}

.track-showcase-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  align-items: center;
}

.track-divider {
  display: none;
}

.track-copy-column {
  display: grid;
  gap: 0.56rem;
  align-content: center;
}

.track-brandline {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--brand-deep);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.76rem;
  font-weight: 700;
}

.track-copy-column h2 {
  color: var(--brand-navy);
  margin: 0;
  font-size: clamp(1.6rem, 2.5vw, 2.35rem);
}

.track-description {
  margin: 0;
  color: var(--muted);
  line-height: 1.58;
}

.track-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--brand-soft);
  border: 1px solid var(--border);
  color: var(--brand-deep);
}

.track-icon svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.hero-immersive {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  text-align: left;
}

.hero-content {
  width: 100%;
}

.hero-media-stack {
  position: relative;
  width: 100%;
}
.hero-poster {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 40px rgba(15, 26, 53, 0.14), 0 4px 10px rgba(15, 26, 53, 0.05);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.hero-poster:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 48px rgba(15, 26, 53, 0.18), 0 6px 14px rgba(15, 26, 53, 0.07);
}
.hero-badges {
  position: absolute;
  bottom: -20px;
  right: -20px;
  display: flex;
  gap: 0.5rem;
}
.floating-badge {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 24px rgba(15, 26, 53, 0.18), 0 2px 6px rgba(15, 26, 53, 0.08);
  transition: transform 0.3s ease;
}
.floating-badge:hover {
  transform: translateY(-2px) scale(1.02);
}

.track-showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.track-media-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.track-media-column > img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 14px 32px rgba(15, 26, 53, 0.1), 0 3px 8px rgba(15, 26, 53, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.track-media-column > img:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(15, 26, 53, 0.14), 0 5px 12px rgba(15, 26, 53, 0.07);
}
.track-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
}
.track-thumbs img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  box-shadow: 0 6px 14px rgba(15, 26, 53, 0.08);
  transition: transform 0.25s ease;
}
.track-thumbs img:hover {
  transform: translateY(-2px);
}

.track-head-immersive {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
}
.track-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
}
.track-badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}
.track-badge-grid img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.challenge-stage-media img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 16px; border: 1px solid var(--border); margin-bottom: 1rem; }

.challenge-side-panel {
  margin-top: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem;
  background: var(--surface);
}

.challenge-side-panel h3 {
  margin-top: 0;
  margin-bottom: 0.65rem;
  color: var(--brand-navy);
}

.admin-solution-link {
  margin-top: 1rem;
}

.artifact-list,
.bonus-progress-list,
.action-list {
  display: grid;
  gap: 0.75rem;
}

.artifact-card,
.bonus-fragment-card,
.action-card,
.tool-card,
.admin-solution-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem;
  background: var(--bg);
}

.artifact-card h4,
.admin-solution-card h2 {
  margin: 0 0 0.4rem;
  color: var(--brand-navy);
}

.artifact-card p,
.tool-card p,
.action-card p,
.admin-solution-card p {
  margin: 0;
}

.artifact-card pre,
.action-payload-preview,
.action-output pre,
.solution-doc pre {
  margin: 0.6rem 0 0;
  padding: 0.75rem;
  background: #f3f6fb;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Courier New", Courier, monospace;
  font-size: 0.85rem;
}

.artifact-card.poisoned {
  border-color: #f0c36d;
  background: #fff9ef;
}

.bonus-fragment-card {
  display: grid;
  gap: 0.3rem;
}

.bonus-fragment-card code {
  display: inline-block;
  width: fit-content;
}

.bonus-fragment-card.solved {
  border-color: #b7dfc6;
  background: #f3fcf6;
}

.bonus-fragment-card.locked code {
  color: var(--muted);
}

.tool-grid,
.admin-solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.tool-card strong,
.activity-entry strong,
.action-card strong {
  display: block;
  color: var(--brand-navy);
  margin-bottom: 0.25rem;
}

.activity-log {
  display: grid;
  gap: 0.65rem;
}

.workspace-sidebar {
  position: sticky;
  top: 5.2rem;
}

.sidebar-drawer {
  overflow: hidden;
}

.sidebar-drawer summary {
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1rem;
  font-weight: 800;
}

.sidebar-drawer summary::-webkit-details-marker {
  display: none;
}

.sidebar-drawer summary::after {
  content: "+";
  float: right;
  color: var(--brand-deep);
}

.sidebar-drawer[open] summary::after {
  content: "-";
}

.sidebar-drawer-body {
  padding: 0 1rem 1rem;
}

.sidebar-drawer-body .artifact-list,
.sidebar-drawer-body .tool-grid,
.sidebar-drawer-body .bonus-progress-list {
  margin-top: 0.2rem;
}

.activity-entry {
  border-left: 3px solid var(--brand);
  padding-left: 0.75rem;
}

.activity-entry p {
  margin: 0;
  color: var(--muted);
}

.activity-entry.bypassed,
.activity-entry.downgraded,
.activity-entry.replayed,
.activity-entry.leaked,
.activity-entry.raw,
.activity-entry.elevated {
  border-left-color: #d97706;
}

.activity-entry.written,
.activity-entry.ok {
  border-left-color: var(--brand);
}

.action-card {
  display: grid;
  gap: 0.6rem;
}

.action-output {
  margin-top: 0.8rem;
}

.action-output strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--brand-navy);
}

.solution-doc {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.2rem;
  background: var(--surface);
  margin-bottom: 2rem;
}

.solution-doc h1,
.solution-doc h2,
.solution-doc h3 {
  color: var(--brand-navy);
}

.solution-doc p,
.solution-doc li {
  line-height: 1.6;
}

.solution-doc ul,
.solution-doc ol {
  padding-left: 1.4rem;
}

.solution-table-wrap {
  overflow-x: auto;
  margin: 0.8rem 0 1.2rem;
}

.solution-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
}

.solution-table th,
.solution-table td {
  vertical-align: top;
  text-align: left;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--border);
  line-height: 1.55;
}

.solution-table th {
  background: #f4f7fb;
  color: var(--brand-navy);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.solution-table td {
  background: var(--surface);
  font-size: 0.92rem;
  word-break: break-word;
}

.solution-table code {
  white-space: pre-wrap;
}


/* Solved items in challenge list: full visibility, subtle accent */
.track-challenge-list li.is-solved {
  background: rgba(22, 163, 74, 0.04);
}

/* Mission title ID prefix */
.mission-title-id {
  color: var(--brand-deep);
  font-family: "Courier New", Courier, monospace;
  font-size: 0.82em;
  font-weight: 800;
  opacity: 0.7;
  margin-right: 0.25em;
}

.mission-title-id::after {
  content: " ·";
  opacity: 0.45;
  font-family: inherit;
  font-weight: 400;
  margin-left: 0.15em;
}

/* Workspace activity card — always visible, not hidden in drawer */
.workspace-activity-card {
  border-top: 2px solid var(--brand);
}

.workspace-activity-card .workspace-card-head {
  margin-bottom: 0.65rem;
}

.workspace-activity-card .workspace-card-head h3 {
  font-size: 0.92rem;
  color: var(--brand-navy);
  margin: 0;
}

/* ============================================================
   CHALLENGE PAGE v2 — INFO DRAWER + MISSION HEADER
   ============================================================ */

.challenge-page-v2 {
  position: relative;
  min-height: calc(100vh - 14rem);
  margin-bottom: 2rem;
}

/* ── Split Layout ────────────────────────────────────────── */
.challenge-split-layout {
  display: grid;
  grid-template-columns: minmax(400px, 5fr) minmax(320px, 4fr);
  gap: 1.5rem;
  align-items: start;
}

/* Source order is brief, then workspace. We swap visual order so chat sits on the
   left (active surface, sticky) and brief sits on the right (free to grow). */
.challenge-brief-panel {
  order: 2;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 14px 35px rgba(16, 27, 47, 0.05);
}

.challenge-workspace-v2 {
  order: 1;
  position: sticky;
  top: 5.5rem;
}

.brief-panel-inner {
  padding: 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.brief-cover {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: #eef4ff;
}

.brief-cover img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.brief-cover-stamp {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.3rem 0.65rem;
  background: rgba(8, 14, 28, 0.78);
  color: oklch(0.95 0.01 250);
  border-radius: 999px;
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  backdrop-filter: blur(4px);
}

.mission-stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 0.85rem 0.4rem;
  background: oklch(0.97 0.008 250);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.mission-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0 0.5rem;
  text-align: center;
}

.mission-stat + .mission-stat {
  border-left: 1px solid oklch(0.9 0.012 250);
}

.mission-stat-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: oklch(0.55 0.03 250);
}

.mission-stat-value {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--brand-navy);
  line-height: 1;
}

.mission-stat-target {
  font-family: "Space Grotesk", "Consolas", monospace;
  letter-spacing: 0.06em;
  color: oklch(0.35 0.14 270);
}

.mission-stat-points {
  font-variant-numeric: tabular-nums;
}

.mission-stat-meta {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--muted);
}

.mission-difficulty-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 1.05rem;
}

.diff-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: oklch(0.88 0.012 250);
  border: 1px solid oklch(0.82 0.018 250);
}

.diff-dot.on {
  background: oklch(0.6 0.16 30);
  border-color: oklch(0.5 0.18 30);
}

.brief-section {
  display: grid;
  gap: 0.5rem;
}

.brief-heading-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--brand-deep);
}

.brief-heading {
  margin: 0;
  color: var(--brand-navy);
  font-size: 1.08rem;
  font-weight: 800;
}

.brief-description {
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.55;
}

.brief-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--brand-navy);
  font-weight: 800;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.brief-label svg {
  color: var(--brand-deep);
  flex-shrink: 0;
}

.brief-value {
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.5;
}

.brief-steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.brief-steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink);
}

.brief-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-size: 0.7rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 1px;
}

.brief-callout {
  border-radius: 12px;
  padding: 0.75rem 0.9rem;
  font-size: 0.88rem;
  line-height: 1.45;
}

.brief-callout strong {
  display: block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.2rem;
}

.brief-callout p {
  margin: 0;
}

.brief-callout-success {
  background: var(--success-bg);
  color: var(--success-ink);
  border: 1px solid #bddfc5;
}

.brief-callout-success strong {
  color: #0d652d;
}

.brief-callout-warning {
  background: #fef8f0;
  color: #7a4a0a;
  border: 1px solid #f2d3b5;
}

.brief-callout-warning strong {
  color: #a85000;
}

.brief-hints-section .brief-hints-list {
  margin: 0;
  padding: 0 0 0 1.2rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink);
}

.brief-details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.brief-details summary {
  list-style: none;
  cursor: pointer;
  padding: 0.72rem 0.9rem;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--brand-navy);
}

.brief-details summary::-webkit-details-marker {
  display: none;
}

.brief-details summary::after {
  content: "+";
  float: right;
  color: var(--brand-deep);
  font-weight: 700;
}

.brief-details[open] summary::after {
  content: "\2212";
}

.brief-details-body {
  padding: 0 0.9rem 0.9rem;
  border-top: 1px solid var(--border);
}

.brief-flag-box {
  border-radius: 14px;
}

/* ── Mission Header Bar ──────────────────────────────────── */
.mission-header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding: 0.72rem 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 1rem;
  box-shadow: 0 4px 20px rgba(16, 27, 47, 0.05);
}

.mission-header-center {
  flex: 1;
  min-width: 160px;
  text-align: left;
}

.mission-title {
  margin: 0;
  color: var(--brand-navy);
  font-size: clamp(0.95rem, 1.5vw, 1.3rem);
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mission-header-end {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* mission-info-toggle removed: brief panel is always visible */

.mission-id-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.mission-difficulty-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 5px;
  padding: 0.22rem 0.58rem;
  background: #f4f7fb;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 700;
}

.mission-points-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 5px;
  padding: 0.22rem 0.58rem;
  background: var(--brand-soft);
  border: 1px solid #c7dafd;
  color: var(--brand-deep);
  font-size: 0.74rem;
  font-weight: 700;
}

/* ── Challenge Workspace v2 ──────────────────────────────── */
.challenge-workspace-v2 {
  position: relative;
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
  min-height: 0;
}

.workspace-content-area {
  display: grid;
  gap: 1rem;
}

.workspace-type-label {
  display: none;
}

/* ── Action Cards Grid ───────────────────────────────────── */
.action-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 0.85rem;
}

.action-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
  background: linear-gradient(180deg, #fbfcff, #f5f8ff);
}

.action-card strong {
  display: block;
  color: var(--brand-navy);
  font-size: 0.93rem;
  margin-bottom: 0.15rem;
}

.action-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.action-card .btn.small.action-trigger {
  margin-top: auto;
  align-self: flex-start;
}

.action-output {
  margin-top: 0.75rem;
  border: 1px solid #c7dafd;
  border-radius: 12px;
  padding: 0.85rem;
  background: #f4f8ff;
}

.action-output strong {
  display: block;
  color: var(--brand-navy);
  font-size: 0.84rem;
  margin-bottom: 0.4rem;
}

.action-output pre {
  margin: 0;
  font-size: 0.83rem;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-all;
  font-family: "Courier New", Courier, monospace;
}

/* ── Console Card Header ─────────────────────────────────── */
.challenge-console-card .workspace-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.challenge-console-card .workspace-card-head > div {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.challenge-console-card .workspace-card-head h3 {
  margin: 0;
}

/* ── Admin Solution Link in Drawer ───────────────────────── */
.admin-solution-link .btn.small {
  width: 100%;
  justify-content: center;
  display: flex;
}

/* ── Responsive for Challenge v2 ─────────────────────────── */
@media (max-width: 930px) {
  .challenge-split-layout {
    grid-template-columns: 1fr;
  }

  .challenge-brief-panel,
  .challenge-workspace-v2 {
    order: initial;
    position: static;
  }
}

/* ───────────────────────────────────────────────────────────
   Challenge Roadmap (winding game-map on track pages)
   ─────────────────────────────────────────────────────────── */
.challenge-roadmap {
  --pin-size: 70px;
  --pin-color: oklch(0.58 0.16 var(--stop-hue, 250));
  --card-width: 300px;
  --card-gap: 28px;

  margin-top: 1.25rem;
  margin-bottom: 3rem;
  padding-top: 1.4rem;
  padding-bottom: 1.4rem;
}

.roadmap-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1200 / 1400;
  border-radius: 24px;
  overflow: visible;
  background:
    radial-gradient(ellipse 60% 40% at 20% 15%, oklch(0.95 0.04 95 / 0.9), transparent 70%),
    radial-gradient(ellipse 55% 45% at 85% 60%, oklch(0.93 0.045 150 / 0.85), transparent 65%),
    radial-gradient(ellipse 70% 45% at 30% 90%, oklch(0.91 0.04 70 / 0.85), transparent 70%),
    linear-gradient(180deg, oklch(0.97 0.018 90) 0%, oklch(0.93 0.025 110) 55%, oklch(0.9 0.03 130) 100%);
  box-shadow:
    inset 0 0 0 1px oklch(0.86 0.018 100),
    0 12px 36px rgba(16, 27, 47, 0.08);
}

/* Soft topographic dots painted across the terrain to evoke a paper map. */
.roadmap-terrain {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, oklch(0.65 0.02 90 / 0.18) 1px, transparent 1.5px);
  background-size: 26px 26px;
  pointer-events: none;
  opacity: 0.6;
}

.roadmap-road-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.roadmap-road-edge {
  fill: none;
  stroke: oklch(0.45 0.014 250);
  stroke-width: 72;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.roadmap-road-base {
  fill: none;
  stroke: oklch(0.32 0.012 250);
  stroke-width: 64;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.roadmap-road-dashes {
  fill: none;
  stroke: oklch(0.94 0.025 95);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 16 22;
  opacity: 0.9;
}

.roadmap-banner {
  position: absolute;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.95rem;
  background: oklch(0.98 0.008 250);
  border: 1px solid oklch(0.84 0.018 250);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: oklch(0.32 0.04 250);
  box-shadow: 0 6px 16px rgba(16, 27, 47, 0.1);
  transform: translateX(-50%);
}

.roadmap-banner-start {
  transform: translate(-50%, -55%);
}

.roadmap-banner-finish {
  background: oklch(0.94 0.06 145);
  border-color: oklch(0.74 0.12 145);
  color: oklch(0.3 0.14 145);
  transform: translate(-50%, 55%);
}

.roadmap-banner-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: oklch(0.55 0.18 250);
  box-shadow: 0 0 0 3px oklch(0.55 0.18 250 / 0.25);
}

.roadmap-banner-flag {
  display: inline-grid;
  place-items: center;
  width: 1rem;
  height: 1rem;
}

.roadmap-banner-flag svg {
  width: 100%;
  height: 100%;
}

/* Each stop is positioned absolutely at a percent waypoint on the stage.
   The stop itself has no size; pin and card are absolutely positioned around it. */
.roadmap-stop {
  position: absolute;
  width: 0;
  height: 0;
  z-index: 3;
}

.roadmap-pin {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--pin-size);
  height: var(--pin-size);
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  z-index: 2;
}

.roadmap-pin-ring {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: oklch(0.98 0.005 250);
  box-shadow:
    0 0 0 1px oklch(0.85 0.015 250),
    0 6px 14px rgba(16, 27, 47, 0.18);
}

.roadmap-pin-body {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--pin-color);
  color: oklch(0.99 0 0);
  box-shadow:
    inset 0 -4px 0 rgba(0, 0, 0, 0.14),
    inset 0 2px 0 rgba(255, 255, 255, 0.18),
    0 10px 22px oklch(0.55 0.16 var(--stop-hue, 250) / 0.42);
  z-index: 1;
}

.roadmap-pin-num {
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.roadmap-pin-body svg {
  width: 1.55rem;
  height: 1.55rem;
}

.roadmap-stop.is-solved {
  --pin-color: oklch(0.58 0.16 145);
}

.roadmap-stop.is-solved .roadmap-pin-body {
  box-shadow:
    inset 0 -4px 0 rgba(0, 0, 0, 0.14),
    inset 0 2px 0 rgba(255, 255, 255, 0.18),
    0 10px 22px oklch(0.55 0.16 145 / 0.45);
}

.roadmap-stop.is-soon {
  --pin-color: oklch(0.72 0.015 250);
}

.roadmap-stop.is-soon .roadmap-pin-body {
  box-shadow:
    inset 0 -3px 0 rgba(0, 0, 0, 0.1),
    0 4px 12px rgba(16, 27, 47, 0.12);
}

/* Card floats off to the side, anchored to the pin. */
.roadmap-card-wrap {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--card-width);
  z-index: 3;
}

.roadmap-stop.is-card-left .roadmap-card-wrap {
  transform: translate(calc(-100% - var(--card-gap) - calc(var(--pin-size) / 2)), -50%);
}

.roadmap-stop.is-card-right .roadmap-card-wrap {
  transform: translate(calc(var(--card-gap) + calc(var(--pin-size) / 2)), -50%);
}

.challenge-roadmap .challenge-card.roadmap-card {
  width: 100%;
  max-width: 100%;
  box-shadow:
    0 18px 30px rgba(16, 27, 47, 0.12),
    0 4px 10px rgba(16, 27, 47, 0.06);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.22s ease;
}

.roadmap-card-link {
  display: block;
}

.roadmap-card-link:hover .challenge-card.roadmap-card {
  transform: translateY(-4px);
  box-shadow:
    0 24px 42px rgba(16, 27, 47, 0.18),
    0 6px 14px rgba(16, 27, 47, 0.08);
}

/* Stop NN badge tucked into the card cover. */
.roadmap-card-stage {
  position: absolute;
  left: 0.7rem;
  bottom: 0.7rem;
  padding: 0.3rem 0.65rem;
  background: var(--pin-color);
  color: oklch(0.99 0 0);
  border-radius: 999px;
  font-family: "Space Grotesk", "Consolas", monospace;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(16, 27, 47, 0.22);
}

.roadmap-stop.is-solved .roadmap-card-stage { background: oklch(0.58 0.16 145); }
.roadmap-stop.is-soon  .roadmap-card-stage { background: oklch(0.55 0.015 250); }

/* ── Below 900px: drop the SVG stage and fall back to a plain list ── */
@media (max-width: 900px) {
  .roadmap-stage {
    aspect-ratio: auto;
    height: auto;
    padding: 1rem;
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
  }

  .roadmap-terrain,
  .roadmap-road-svg,
  .roadmap-banner {
    display: none;
  }

  .roadmap-stop {
    position: static;
    width: 100%;
    height: auto;
    display: grid;
    grid-template-columns: calc(var(--pin-size) + 16px) 1fr;
    align-items: center;
    gap: 0.95rem;
  }

  .roadmap-pin {
    position: relative;
    transform: none;
    left: auto;
    top: auto;
    justify-self: start;
  }

  .roadmap-card-wrap {
    position: relative;
    left: auto;
    top: auto;
    transform: none !important;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .mission-header-center {
    flex-basis: 100%;
    text-align: left;
    order: 3;
  }

  .mission-title {
    white-space: normal;
  }

  .auth-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .mission-header-end {
    display: none;
  }

  .action-list {
    grid-template-columns: 1fr;
  }

  .admin-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================================================================
   Homepage + Login responsive fine-tuning
   Additive overrides only. Desktop layout above is untouched.
   ========================================================================= */

/* --- CRITICAL: layout resets that earlier media queries tried to apply
   but were clobbered by base rules appearing later in the source.
   We re-assert them here so they actually win on mobile. --- */
@media (max-width: 1060px) {
  .hero-immersive,
  .track-showcase-row,
  .track-head-immersive {
    grid-template-columns: 1fr;
  }

  .hero-media-stack {
    max-width: 100%;
    width: 100%;
  }

  .hero-poster {
    aspect-ratio: 16 / 9;
    max-height: 320px;
  }
}

@media (max-width: 930px) {
  .hero-badges {
    position: static;
    bottom: auto;
    right: auto;
    margin-top: 0.65rem;
    justify-content: flex-start;
  }

  .floating-badge {
    width: 110px;
    height: 72px;
  }

  .track-media-column {
    order: 2;
  }

  .track-copy-column {
    order: 1;
  }

  .track-media-column > img {
    max-height: 280px;
  }
}

@media (max-width: 720px) {
  .ctf-status-bar {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .status-bar-item + .status-bar-item {
    border-left: none;
    border-top: 1px solid oklch(0.28 0.015 250);
    padding-left: 0.75rem;
    padding-top: 0.85rem;
    margin-top: 0.25rem;
  }

  .countdown-display {
    flex-wrap: wrap;
    row-gap: 0.3rem;
  }
}

/* --- Tablet portrait and below: 768px --- */
@media (max-width: 768px) {
  .site-header,
  main,
  .site-footer {
    width: min(1280px, 100vw - 1.4rem);
  }

  /* Homepage hero */
  .hero {
    padding: 1.5rem 1.15rem;
  }

  .hero-immersive {
    gap: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
  }

  .hero-track-btn {
    min-width: 0;
    width: 100%;
  }

  .floating-badge {
    width: 96px;
    height: 64px;
  }

  /* Status bar countdown */
  .countdown-display {
    flex-wrap: wrap;
    row-gap: 0.25rem;
  }

  /* Track showcase */
  .track-showcase-row {
    gap: 1.2rem;
  }

  .track-thumbs {
    gap: 0.45rem;
  }

  /* Login auth visual */
  .auth-visual-stat strong {
    font-size: 1.2rem;
  }

  .auth-visual-media img {
    aspect-ratio: 16 / 10;
  }
}

/* --- Large phones / phone landscape: 540px --- */
@media (max-width: 540px) {
  /* Header / nav */
  .site-header {
    margin-top: 0.4rem;
    padding: 0.7rem 0.8rem;
    border-radius: 14px;
    top: 0.45rem;
    gap: 0.6rem;
  }

  .brand {
    gap: 0.55rem;
    font-size: 1.05rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .brand-meta {
    font-size: 0.62rem;
    letter-spacing: 0.06em;
  }

  .site-nav {
    gap: 0.35rem;
    flex-wrap: wrap;
  }

  .nav-link {
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
    min-height: 2.55rem;
    gap: 0.35rem;
  }

  .nav-track-icon {
    width: 0.9rem;
    height: 0.9rem;
  }

  .user-menu-trigger {
    padding: 0.4rem 0.6rem 0.4rem 0.45rem;
    min-height: 2.55rem;
  }

  .user-menu-name {
    max-width: 9rem;
    font-size: 0.85rem;
  }

  .user-menu-icon {
    width: 28px;
    height: 28px;
  }

  .user-menu-icon svg,
  .user-menu-caret svg {
    width: 16px;
    height: 16px;
  }

  .user-menu-panel {
    width: min(100%, 260px);
    padding: 0.8rem;
  }

  .guest-actions {
    gap: 0.45rem;
  }

  .guest-actions .btn.small {
    padding: 0.55rem 0.85rem;
    min-height: 2.55rem;
    font-size: 0.86rem;
  }

  /* Homepage hero */
  .hero {
    padding: 1.25rem 1rem;
    border-radius: 14px;
    margin: 0.5rem 0 1rem;
  }

  .hero h1 {
    font-size: clamp(1.4rem, 6vw, 1.9rem);
  }

  .hero-copy {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .hero-immersive {
    gap: 1.25rem;
  }

  /* Progress card */
  .global-progress-card {
    padding: 0.75rem;
    border-radius: 14px;
  }

  .overall-progress-head {
    align-items: flex-start;
    gap: 0.35rem;
  }

  .overall-progress-title-block strong {
    font-size: 1.08rem;
  }

  .split-progress-meta-card {
    padding: 0.65rem 0.7rem;
  }

  .split-progress-meta-head {
    font-size: 0.82rem;
  }

  /* Status bar */
  .ctf-status-bar {
    padding: 1rem;
    border-radius: 14px;
    gap: 0.85rem;
  }

  .status-bar-item {
    padding: 0.4rem 0.55rem;
  }

  .status-bar-item + .status-bar-item {
    padding-left: 0.55rem;
    padding-top: 0.7rem;
  }

  .status-bar-icon {
    width: 2rem;
    height: 2rem;
  }

  .status-bar-icon svg {
    width: 1.05rem;
    height: 1.05rem;
  }

  .status-bar-value {
    font-size: 1rem;
  }

  .countdown-unit {
    min-width: 1.85rem;
  }

  .countdown-unit strong {
    font-size: 1.1rem;
  }

  .countdown-unit small {
    font-size: 0.55rem;
  }

  .countdown-sep {
    font-size: 0.9rem;
  }

  /* Track showcase */
  .track-showcase {
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .track-showcase-row {
    gap: 1rem;
  }

  .track-copy-column h2 {
    font-size: clamp(1.35rem, 5.5vw, 1.7rem);
  }

  .track-description {
    font-size: 0.94rem;
    line-height: 1.55;
  }

  .track-icon {
    width: 30px;
    height: 30px;
  }

  .track-icon svg {
    width: 16px;
    height: 16px;
  }

  .track-challenge-list li {
    font-size: 0.88rem;
  }

  /* Buttons touch target */
  .btn.small {
    min-height: 2.55rem;
    padding: 0.55rem 0.85rem;
  }

  /* === Login page === */
  .auth-layout {
    margin: 0.5rem 0 1.2rem;
    gap: 0.75rem;
  }

  .auth-card,
  .auth-visual-panel {
    padding: 0.95rem;
    border-radius: 14px;
  }

  .auth-card h1 {
    font-size: clamp(1.4rem, 6vw, 1.85rem);
  }

  .auth-demo-inline {
    padding: 0.75rem 0.8rem;
    border-radius: 14px;
  }

  .auth-demo-inline h2 {
    font-size: 0.95rem;
  }

  .demo-login-button-row {
    gap: 0.5rem;
  }

  .demo-login-btn {
    min-height: 2.95rem;
    font-size: 0.86rem;
    padding: 0.5rem 0.8rem;
  }

  .auth-form {
    gap: 0.55rem;
  }

  .auth-form label {
    font-size: 0.88rem;
    font-weight: 600;
  }

  .auth-form input {
    min-height: 2.85rem;
    font-size: 1rem;
    padding: 0.62rem 0.8rem;
  }

  .auth-form .btn {
    min-height: 2.95rem;
  }

  .auth-alt-link {
    font-size: 0.9rem;
  }

  .auth-visual-panel h2 {
    font-size: clamp(1.3rem, 5.5vw, 1.7rem);
  }

  .auth-visual-stat-row {
    gap: 0.45rem;
  }

  .auth-visual-stat {
    padding: 0.55rem 0.3rem;
    border-radius: 10px;
  }

  .auth-visual-stat strong {
    font-size: 1.1rem;
  }

  .auth-visual-stat span {
    font-size: 0.62rem;
    text-align: center;
  }

  .auth-visual-pill {
    padding: 0.34rem 0.62rem;
    font-size: 0.78rem;
  }

  .auth-visual-media img {
    aspect-ratio: 16 / 9;
  }
}

/* --- Small phones (iPhone SE / Galaxy A): 380px --- */
@media (max-width: 380px) {
  .site-header,
  main,
  .site-footer {
    width: min(1280px, 100vw - 0.9rem);
  }

  .site-header {
    padding: 0.55rem 0.65rem;
    gap: 0.45rem;
  }

  .brand {
    gap: 0.45rem;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-name {
    font-size: 0.88rem;
  }

  .brand-meta {
    display: none;
  }

  .nav-link {
    padding: 0.55rem 0.65rem;
    font-size: 0.8rem;
  }

  /* Hero */
  .hero {
    padding: 1rem 0.85rem;
    border-radius: 12px;
  }

  .hero h1 {
    font-size: clamp(1.25rem, 6.5vw, 1.65rem);
  }

  .hero-copy {
    font-size: 0.9rem;
  }

  .global-progress-card {
    padding: 0.65rem;
  }

  .split-progress-meta-card {
    padding: 0.55rem 0.6rem;
  }

  .overall-progress-title-block strong {
    font-size: 1rem;
  }

  .overall-progress-meta {
    font-size: 0.84rem;
  }

  /* Status bar */
  .ctf-status-bar {
    padding: 0.85rem;
  }

  .status-bar-icon {
    width: 1.85rem;
    height: 1.85rem;
  }

  .countdown-unit {
    min-width: 1.55rem;
  }

  .countdown-unit strong {
    font-size: 1rem;
  }

  .countdown-sep {
    margin: 0;
  }

  /* Track showcase */
  .track-copy-column h2 {
    font-size: clamp(1.25rem, 6vw, 1.55rem);
  }

  .track-description {
    font-size: 0.9rem;
  }

  .track-challenge-list li {
    font-size: 0.84rem;
  }

  /* Login */
  .auth-card,
  .auth-visual-panel {
    padding: 0.85rem;
    border-radius: 12px;
  }

  .auth-card h1 {
    font-size: clamp(1.25rem, 6.5vw, 1.65rem);
  }

  .auth-demo-inline {
    padding: 0.65rem 0.7rem;
  }

  .demo-login-btn {
    font-size: 0.82rem;
    min-height: 2.85rem;
  }

  .auth-visual-stat strong {
    font-size: 1rem;
  }

  .auth-visual-stat span {
    font-size: 0.58rem;
    letter-spacing: 0.04em;
  }

  .auth-visual-pill {
    font-size: 0.74rem;
    padding: 0.32rem 0.55rem;
  }

  .floating-badge {
    width: 80px;
    height: 56px;
  }
}

/* =========================================================================
   Image character & filter treatments
   Each image role gets its own tone so the page reads varied, not flat.
   Hovers wake images to full vibrance.
   ========================================================================= */

/* HERO POSTER — rich, slightly punchy at rest, fuller on hover */
.hero-poster {
  filter: saturate(1.08) contrast(1.04) brightness(0.99);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.45s ease;
}

.hero-poster:hover {
  filter: saturate(1.2) contrast(1.07) brightness(1.02);
}

/* FLOATING BADGES — two distinct moods, both wake on hover */
.floating-badge {
  transition: filter 0.4s ease, transform 0.35s ease, box-shadow 0.35s ease;
}

.floating-badge.badge-top {
  filter: saturate(0.78) brightness(0.95) contrast(1.06) hue-rotate(-5deg);
}

.floating-badge.badge-top:hover {
  filter: saturate(1.18) brightness(1.05) contrast(1.06) hue-rotate(0deg);
  transform: translateY(-3px) scale(1.03);
}

.floating-badge.badge-bottom {
  filter: saturate(0.86) brightness(0.92) contrast(1.08) hue-rotate(10deg);
}

.floating-badge.badge-bottom:hover {
  filter: saturate(1.12) brightness(1.04) contrast(1.05) hue-rotate(0deg);
  transform: translateY(-3px) scale(1.03);
}

/* TRACK POSTERS — each track gets its own colour temperament */
.track-media-column > img {
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.5s ease;
}

.track-showcase-row-1 .track-media-column > img {
  /* prompt-injection: cool, alert blue */
  filter: saturate(1.12) contrast(1.06) brightness(0.97) hue-rotate(-4deg);
}
.track-showcase-row-1 .track-media-column > img:hover {
  filter: saturate(1.24) contrast(1.08) brightness(1.02) hue-rotate(0deg);
}

.track-showcase-row-2 .track-media-column > img {
  /* agent-workflow: warm green technical */
  filter: saturate(1.06) contrast(1.05) brightness(0.98) hue-rotate(6deg);
}
.track-showcase-row-2 .track-media-column > img:hover {
  filter: saturate(1.18) contrast(1.07) brightness(1.02) hue-rotate(0deg);
}

.track-showcase-row-3 .track-media-column > img {
  /* hidden-api: dusky amber */
  filter: saturate(1.1) contrast(1.06) brightness(0.95) hue-rotate(-7deg) sepia(0.08);
}
.track-showcase-row-3 .track-media-column > img:hover {
  filter: saturate(1.2) contrast(1.08) brightness(1.02) hue-rotate(0deg) sepia(0);
}

/* TRACK THUMBNAILS — each child slightly different, all wake on hover */
.track-thumbs img {
  transition: transform 0.35s ease, filter 0.5s ease, box-shadow 0.35s ease;
}

.track-thumbs img:nth-child(1) {
  filter: grayscale(0.18) saturate(0.95) brightness(0.96) contrast(1.05);
}

.track-thumbs img:nth-child(2) {
  filter: grayscale(0.32) saturate(0.82) brightness(0.92) contrast(1.06) hue-rotate(-4deg);
}

.track-thumbs img:nth-child(3) {
  filter: grayscale(0.4) saturate(0.78) brightness(0.9) contrast(1.07) hue-rotate(6deg);
}

.track-thumbs img:hover {
  filter: grayscale(0) saturate(1.14) brightness(1.04) contrast(1.06) hue-rotate(0deg);
  transform: translateY(-3px);
}

/* Hovering the whole row gently lifts the thumb mute so they invite exploration */
.track-showcase-row:hover .track-thumbs img {
  filter: grayscale(0.12) saturate(1) brightness(0.98) contrast(1.05);
}

.track-showcase-row:hover .track-thumbs img:hover {
  filter: grayscale(0) saturate(1.16) brightness(1.05) contrast(1.06);
}

/* LOGIN PAGE auth visual — cinematic, gently zooms on hover */
.auth-visual-media {
  position: relative;
}

.auth-visual-media img {
  filter: saturate(1.06) contrast(1.08) brightness(0.94);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.55s ease;
  will-change: transform;
}

.auth-visual-media:hover img {
  filter: saturate(1.18) contrast(1.1) brightness(1);
  transform: scale(1.03);
}

.auth-visual-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 26, 53, 0) 55%, rgba(15, 26, 53, 0.18) 100%);
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.auth-visual-media:hover::after {
  opacity: 0.55;
}

/* BRAND MARK — tiny tilt + glow on hover */
.brand-mark {
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.brand-mark-image {
  filter: contrast(1.06) saturate(1.04);
  transition: filter 0.35s ease;
}

.brand:hover .brand-mark {
  transform: rotate(-3deg);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.55),
    0 0 0 1px rgba(26, 115, 232, 0.2),
    0 8px 18px rgba(26, 115, 232, 0.18);
}

.brand:hover .brand-mark-image {
  filter: contrast(1.08) saturate(1.12);
}

/* TRACK PAGE hero banner imagery (if present) */
.track-hero-img {
  filter: saturate(1.05) contrast(1.05) brightness(0.97);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease, box-shadow 0.5s ease;
}

.track-hero-img:hover {
  filter: saturate(1.18) contrast(1.08) brightness(1.02);
  transform: translateY(-2px);
}

.track-badge-grid img {
  filter: saturate(0.88) brightness(0.93) contrast(1.05);
  transition: filter 0.4s ease, transform 0.3s ease;
}

.track-badge-grid img:nth-child(3n+2) {
  filter: saturate(0.82) brightness(0.91) contrast(1.06) hue-rotate(-4deg);
}

.track-badge-grid img:nth-child(3n+3) {
  filter: saturate(0.85) brightness(0.92) contrast(1.05) hue-rotate(5deg);
}

.track-badge-grid img:hover {
  filter: saturate(1.12) brightness(1.04) contrast(1.05) hue-rotate(0deg);
  transform: translateY(-2px);
}

/* Reduced motion: kill transitions and hover transforms */
@media (prefers-reduced-motion: reduce) {
  .hero-poster,
  .floating-badge,
  .track-media-column > img,
  .track-thumbs img,
  .auth-visual-media img,
  .auth-visual-media::after,
  .brand-mark,
  .brand-mark-image,
  .track-hero-img,
  .track-badge-grid img {
    transition: none !important;
  }

  .hero-poster:hover,
  .floating-badge:hover,
  .track-media-column > img:hover,
  .track-thumbs img:hover,
  .auth-visual-media:hover img,
  .brand:hover .brand-mark,
  .track-hero-img:hover,
  .track-badge-grid img:hover {
    transform: none;
  }
}

/* ============================================================
   Auth pages v2, Approach panel, Help page, Admin charts
   ============================================================ */
.auth-layout-v2 {
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 1.05fr);
  gap: 1.25rem;
  margin: 1.2rem 0 2rem;
}

.auth-card-v2 {
  padding: 1.4rem 1.5rem;
  background:
    radial-gradient(140% 100% at 0% 0%, oklch(0.985 0.01 250) 0%, oklch(0.99 0.005 250) 60%, var(--surface) 100%);
  border: 1px solid var(--border);
}

.auth-card-v2 > .eyebrow {
  color: var(--brand-deep);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.74rem;
}

.auth-card-v2 h1 {
  font-size: clamp(1.7rem, 2.6vw, 2.25rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin-bottom: 0.15rem;
}

.auth-card-lede {
  color: var(--muted);
  margin: 0 0 0.4rem;
  font-size: 0.96rem;
  max-width: 46ch;
}

.auth-demo-inline-v2 {
  background:
    linear-gradient(180deg, oklch(0.985 0.012 250), oklch(0.965 0.018 250));
  border: 1px solid oklch(0.91 0.025 250);
  border-radius: 16px;
  padding: 0.85rem 0.95rem;
  margin: 0.4rem 0 0.4rem;
}

.auth-demo-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.auth-demo-head h2 {
  font-size: 0.95rem;
  margin: 0;
  color: var(--brand-navy);
}

.auth-demo-meta {
  font-size: 0.74rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-form-v2 {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.35rem;
}

.auth-field {
  display: grid;
  gap: 0.3rem;
}

.auth-field label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand-navy);
  letter-spacing: 0.01em;
}

.auth-field input {
  width: 100%;
  height: 2.7rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  font-family: inherit;
  font-size: 0.98rem;
  color: var(--ink);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.auth-field input:hover {
  border-color: oklch(0.85 0.04 250);
}

.auth-field input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px oklch(0.94 0.04 250 / 0.55);
  background: #fff;
}

.auth-field-hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0.05rem 0 0;
}

.auth-field-hint code {
  background: oklch(0.97 0.012 250);
  border: 1px solid var(--border);
  padding: 0.04rem 0.4rem;
  border-radius: 6px;
  font-size: 0.78rem;
}

.auth-submit {
  margin-top: 0.4rem;
  min-height: 2.85rem;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
}

.approach-panel {
  display: grid;
  align-content: start;
  gap: 0.65rem;
  padding: 1.3rem 1.35rem;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff, oklch(0.985 0.012 250));
  border: 1px solid var(--border);
  box-shadow: 0 18px 45px rgba(16, 27, 47, 0.06);
}

.approach-panel-kicker {
  margin: 0;
  color: var(--brand-deep);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.approach-panel-title {
  margin: 0;
  color: var(--brand-navy);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.approach-panel-sub {
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 56ch;
}

.approach-list {
  list-style: none;
  margin: 0.35rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.approach-card {
  position: relative;
  padding: 0.95rem 1.05rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: grid;
  gap: 0.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.approach-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(16, 27, 47, 0.06);
}

.approach-card-prompt-injection { border-color: oklch(0.86 0.05 250); }
.approach-card-prompt-injection:hover { border-color: oklch(0.78 0.09 250); }
.approach-card-prompt-injection .approach-card-icon { background: var(--track-1-soft); color: var(--track-1); }

.approach-card-agent-workflow { border-color: oklch(0.86 0.06 150); }
.approach-card-agent-workflow:hover { border-color: oklch(0.78 0.1 150); }
.approach-card-agent-workflow .approach-card-icon { background: var(--track-2-soft); color: var(--track-2); }

.approach-card-hidden-api { border-color: oklch(0.86 0.08 60); }
.approach-card-hidden-api:hover { border-color: oklch(0.78 0.12 60); }
.approach-card-hidden-api .approach-card-icon { background: var(--track-3-soft); color: var(--track-3); }

.approach-card-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.approach-card-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  flex-shrink: 0;
}

.approach-card-icon svg {
  width: 18px;
  height: 18px;
}

.approach-card-num {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.approach-card-name {
  margin-left: auto;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--brand-navy);
}

.approach-card-tagline {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.45;
}

.approach-steps {
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
  counter-reset: step;
}

.approach-steps li {
  display: grid;
  grid-template-columns: 1.45rem 1fr;
  gap: 0.5rem;
  align-items: start;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--ink);
  counter-increment: step;
}

.approach-steps li::before {
  content: counter(step);
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.approach-watch {
  margin: 0.25rem 0 0;
  padding: 0.55rem 0.7rem;
  background: oklch(0.97 0.012 250);
  border-radius: 10px;
  font-size: 0.84rem;
  color: var(--ink);
  line-height: 1.45;
}

.approach-watch-label {
  display: inline-block;
  margin-right: 0.4rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-deep);
  vertical-align: 1px;
}

.nav-help-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  height: 2.2rem;
  padding: 0 0.85rem 0 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--brand-navy);
  font-weight: 700;
  font-size: 0.86rem;
  text-decoration: none;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.nav-help-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.nav-help-btn:hover {
  color: var(--brand-deep);
  border-color: #c7dafd;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(23, 78, 166, 0.08);
}

.nav-help-btn.is-active {
  background: var(--brand-soft);
  border-color: #c7dafd;
  color: var(--brand-deep);
}

@media (max-width: 720px) {
  .nav-help-label {
    display: none;
  }
  .nav-help-btn {
    padding: 0;
    width: 2.2rem;
    justify-content: center;
  }
}

.help-hero {
  margin: 1rem 0 1.2rem;
  padding: 1.6rem 1.7rem 1.7rem;
  background:
    radial-gradient(120% 80% at 100% 0%, oklch(0.93 0.04 250 / 0.6) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface), oklch(0.985 0.01 250));
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 16px 40px rgba(16, 27, 47, 0.05);
}

.help-hero h1 {
  margin: 0.1rem 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--brand-navy);
}

.help-hero-lede {
  margin: 0;
  font-size: 1.02rem;
  color: var(--muted);
  max-width: 60ch;
  line-height: 1.55;
}

.help-general {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 0 0 1.6rem;
}

.help-general-card {
  padding: 1.05rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(16, 27, 47, 0.04);
}

.help-general-card h2 {
  margin: 0 0 0.35rem;
  color: var(--brand-navy);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.1rem;
  letter-spacing: -0.005em;
}

.help-general-card p {
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.55;
}

.help-general-card code,
.help-bullets code {
  background: oklch(0.97 0.012 250);
  border: 1px solid var(--border);
  padding: 0.04rem 0.42rem;
  border-radius: 6px;
  font-size: 0.85rem;
}

.help-general-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.3rem;
  color: var(--ink);
  font-size: 0.9rem;
  line-height: 1.5;
}

.help-general-list strong {
  color: var(--brand-navy);
  font-weight: 700;
}

.help-section-title {
  margin: 0 0 0.2rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.5rem;
  color: var(--brand-navy);
  letter-spacing: -0.01em;
}

.help-section-sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 60ch;
}

.help-tracks {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.help-track {
  padding: 1.2rem 1.35rem 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 10px 28px rgba(16, 27, 47, 0.05);
  display: grid;
  gap: 0.85rem;
}

.help-track-prompt-injection { border-color: oklch(0.86 0.05 250); }
.help-track-prompt-injection .help-track-icon { background: var(--track-1-soft); color: var(--track-1); }

.help-track-agent-workflow { border-color: oklch(0.86 0.06 150); }
.help-track-agent-workflow .help-track-icon { background: var(--track-2-soft); color: var(--track-2); }

.help-track-hidden-api { border-color: oklch(0.86 0.08 60); }
.help-track-hidden-api .help-track-icon { background: var(--track-3-soft); color: var(--track-3); }

.help-track-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.help-track-icon {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  flex-shrink: 0;
}

.help-track-icon svg {
  width: 24px;
  height: 24px;
}

.help-track-titles {
  display: grid;
  gap: 0.1rem;
}

.help-track-kicker {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.help-track-titles h3 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.45rem;
  letter-spacing: -0.015em;
  color: var(--brand-navy);
}

.help-track-tag {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.55;
  max-width: 80ch;
}

.help-track-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1.2rem;
}

.help-col h4 {
  margin: 0 0 0.4rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.help-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.help-bullets li {
  display: grid;
  grid-template-columns: 0.6rem 1fr;
  gap: 0.55rem;
  align-items: start;
  color: var(--ink);
  font-size: 0.93rem;
  line-height: 1.5;
}

.help-bullets li::before {
  content: '';
  width: 0.45rem;
  height: 0.45rem;
  margin-top: 0.55rem;
  border-radius: 999px;
  background: var(--brand);
}

.help-track-prompt-injection .help-bullets li::before { background: var(--track-1); }
.help-track-agent-workflow .help-bullets li::before { background: var(--track-2); }
.help-track-hidden-api .help-bullets li::before { background: var(--track-3); }

.help-final {
  margin: 1rem 0 2rem;
  padding: 1.4rem 1.5rem;
  background: linear-gradient(135deg, var(--brand-navy), oklch(0.3 0.08 260));
  border-radius: 22px;
  color: oklch(0.96 0.01 250);
  position: relative;
  overflow: hidden;
}

.help-final::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 90% at 100% 0%, oklch(0.85 0.12 250 / 0.25) 0%, transparent 60%);
  pointer-events: none;
}

.help-final-inner {
  position: relative;
  z-index: 1;
  max-width: 64ch;
}

.help-final .eyebrow {
  color: oklch(0.86 0.08 250);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.74rem;
}

.help-final h2 {
  margin: 0.3rem 0 0.5rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  letter-spacing: -0.015em;
  line-height: 1.15;
  color: #fff;
}

.help-final p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: oklch(0.88 0.02 250);
}

.admin-charts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0.8rem 0 1.2rem;
}

.admin-chart-card {
  padding: 1rem 1.1rem 1.05rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(16, 27, 47, 0.04);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.55rem;
}

.admin-chart-card-wide {
  grid-column: span 2;
}

.admin-chart-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 0.5rem;
}

.admin-chart-kicker {
  margin: 0 0 0.1rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-chart-title {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.06rem;
  color: var(--brand-navy);
  letter-spacing: -0.005em;
}

.admin-chart-meta {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 240px;
}

.admin-chart-canvas-wrap-square {
  height: 220px;
}

.admin-chart-foot {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

.admin-chart-foot strong {
  color: var(--brand-navy);
}

@media (max-width: 1024px) {
  .admin-charts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .admin-charts-grid {
    grid-template-columns: 1fr;
  }
  .admin-chart-card-wide {
    grid-column: auto;
  }
}

@media (max-width: 880px) {
  .auth-layout-v2 {
    grid-template-columns: 1fr;
  }
  .help-general {
    grid-template-columns: 1fr;
  }
  .help-track-cols {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }
}

/* Admin nav dropdown — compacts Admin / Solutions / Logs into one entry */
.nav-admin-menu {
  position: relative;
}

.nav-admin-menu summary {
  list-style: none;
  cursor: pointer;
}

.nav-admin-menu summary::-webkit-details-marker {
  display: none;
}

.nav-admin-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.78rem 0.42rem 0.62rem;
  border: 1px solid transparent;
  border-radius: 14px;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.nav-admin-trigger:hover {
  color: var(--brand-deep);
  border-color: #c7dafd;
  background: var(--brand-soft);
}

.nav-admin-icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  color: var(--brand-deep);
}

.nav-admin-icon svg {
  width: 18px;
  height: 18px;
}

.nav-admin-caret {
  display: inline-flex;
  width: 14px;
  height: 14px;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.nav-admin-caret svg {
  width: 14px;
  height: 14px;
}

.nav-admin-menu[open] .nav-admin-trigger {
  background: var(--brand-soft);
  border-color: #c7dafd;
  color: var(--brand-deep);
}

.nav-admin-menu[open] .nav-admin-caret {
  transform: rotate(180deg);
}

.nav-admin-menu.is-active .nav-admin-trigger {
  background: var(--brand-soft);
  border-color: #c7dafd;
  color: var(--brand-deep);
}

.nav-admin-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 18rem;
  padding: 0.45rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 24px 48px rgba(16, 27, 47, 0.14);
  display: grid;
  gap: 0.15rem;
  z-index: 50;
}

.nav-admin-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-admin-item:hover {
  background: oklch(0.97 0.012 250);
}

.nav-admin-item.is-active {
  background: var(--brand-soft);
}

.nav-admin-item-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.nav-admin-item-icon svg {
  width: 18px;
  height: 18px;
}

.nav-admin-item-text {
  display: grid;
  gap: 0.05rem;
  line-height: 1.2;
}

.nav-admin-item-text strong {
  color: var(--brand-navy);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-admin-item-text span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}

@media (max-width: 720px) {
  .nav-admin-label {
    display: none;
  }
  .nav-admin-trigger {
    padding: 0.42rem 0.55rem;
  }
  .nav-admin-panel {
    left: auto;
    right: 0;
    transform: none;
    min-width: 16rem;
  }
}

/* ============================================================
   Pass 2 — Home v2, demo strip, header compact, mid-bp nav,
   admin stat strip, toasts, side drawer, typing, celebration,
   solution TOC, track hint, more-guidance brief disclosure.
   ============================================================ */

/* Mid-breakpoint nav: 720–1100px drops the kicker line */
@media (min-width: 721px) and (max-width: 1100px) {
  .nav-track-kicker { display: none; }
  .nav-link-track {
    padding: 0.42rem 0.7rem;
  }
  .nav-track-name { font-size: 0.86rem; }
}

@media (max-width: 720px) {
  .nav-track-kicker { display: none; }
  .nav-track-name { font-size: 0.85rem; }
  .nav-link-track { padding: 0.36rem 0.55rem; }
}

/* Header compact-on-scroll */
.site-header { transition: padding 0.22s ease, box-shadow 0.22s ease; }
.site-header.is-compact {
  padding: 0.55rem 1rem;
  box-shadow: 0 12px 32px rgba(16, 27, 47, 0.08);
}
.site-header.is-compact .brand-meta { display: none; }
.site-header.is-compact .brand-mark { width: 36px; height: 36px; }
.site-header.is-compact .brand-name { font-size: 1rem; }

/* Footer single row */
.site-footer-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1rem;
  flex-wrap: wrap;
}

.site-footer-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--brand-navy);
}

.site-footer-logo-wrap {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.site-footer-logo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-footer-title {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--brand-navy);
}

.site-footer-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.site-footer-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 600;
  transition: background 0.18s ease, color 0.18s ease;
}

.site-footer-nav a:hover {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

.site-footer-nav a svg {
  width: 14px;
  height: 14px;
}

.site-footer-credit {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.site-footer-credit a {
  color: var(--brand-deep);
  font-weight: 600;
  text-decoration: none;
}

.site-footer-credit a:hover {
  text-decoration: underline;
}

/* Demo strip — one-line pill cluster */
.demo-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.3rem 0 0.4rem;
  padding: 0.45rem 0.6rem;
  background: linear-gradient(180deg, oklch(0.985 0.012 250), oklch(0.965 0.018 250));
  border: 1px solid oklch(0.91 0.025 250);
  border-radius: 999px;
}

.demo-strip-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 0.2rem;
}

.demo-pill {
  appearance: none;
  border: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.32rem 0.78rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--brand-navy);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.15s ease;
}

.demo-pill:hover {
  transform: translateY(-1px);
  border-color: #c7dafd;
  background: var(--brand-soft);
}

.demo-pill-red { color: oklch(0.5 0.18 25); }
.demo-pill-red:hover { background: oklch(0.96 0.04 25); border-color: oklch(0.86 0.08 25); }
.demo-pill-blue { color: var(--brand-deep); }
.demo-pill-admin { color: oklch(0.4 0.12 280); }
.demo-pill-admin:hover { background: oklch(0.96 0.04 280); border-color: oklch(0.86 0.08 280); }

/* Home v2 hero + track cards */
.home-hero-v2 {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
  padding: 1.4rem 1.6rem 1.5rem;
  margin: 0.9rem 0 1.2rem;
  background:
    radial-gradient(120% 90% at 0% 0%, oklch(0.95 0.04 250 / 0.55) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface), oklch(0.985 0.01 250));
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: 0 14px 36px rgba(16, 27, 47, 0.05);
}

.home-hero-copy .eyebrow {
  color: var(--brand-deep);
  letter-spacing: 0.12em;
  font-weight: 800;
}

.home-hero-copy h1 {
  margin: 0.15rem 0 0.5rem;
  font-size: clamp(1.9rem, 3.4vw, 2.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--brand-navy);
}

.home-hero-lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 45ch;
}

.home-hero-cta {
  display: flex;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.home-hero-progress {
  display: grid;
  gap: 0.85rem;
  padding: 1.1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(16, 27, 47, 0.04);
}

.home-progress-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.home-progress-stat {
  display: grid;
  gap: 0.2rem;
}

.home-progress-stat-num {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--brand-navy);
  line-height: 1;
  letter-spacing: -0.02em;
}

.home-progress-stat-divider {
  color: var(--muted);
  font-weight: 600;
  font-size: 1rem;
  margin-left: 0.15rem;
}

.home-progress-stat-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.home-progress-bar {
  display: flex;
  gap: 0.35rem;
  height: 0.55rem;
}

.home-progress-segment {
  flex: 1;
  background: oklch(0.94 0.012 250);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.home-progress-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  transition: width 0.4s ease;
}

.home-progress-fill-1 { background: var(--track-1); }
.home-progress-fill-2 { background: var(--track-2); }
.home-progress-fill-3 { background: var(--track-3); }

@media (max-width: 880px) {
  .home-hero-v2 { grid-template-columns: 1fr; }
}

/* Track cards v2 */
.track-cards-v2 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 0 0 2rem;
}

.track-card-v2 {
  display: grid;
  gap: 0.5rem;
  padding: 0 1.15rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.track-card-v2-media {
  position: relative;
  margin: 0 -1.15rem 0.4rem;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: oklch(0.95 0.012 250);
}

.track-card-v2-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.track-card-v2:hover .track-card-v2-media img {
  transform: scale(1.04);
}

.track-card-v2-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 27, 47, 0) 55%, rgba(16, 27, 47, 0.32) 100%);
  pointer-events: none;
}

.track-card-v2-icon-overlay {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--surface);
  color: var(--brand-deep);
  box-shadow: 0 6px 18px rgba(16, 27, 47, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.track-card-v2-icon-overlay svg {
  width: 20px;
  height: 20px;
}

.track-card-v2-1 .track-card-v2-icon-overlay { color: var(--track-1); background: #fff; }
.track-card-v2-2 .track-card-v2-icon-overlay { color: var(--track-2); background: #fff; }
.track-card-v2-3 .track-card-v2-icon-overlay { color: var(--track-3); background: #fff; }

.track-card-v2-pill-overlay {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 1;
  box-shadow: 0 6px 14px rgba(23, 78, 166, 0.25);
}

.track-card-v2-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.track-card-v2:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(16, 27, 47, 0.07);
}

.track-card-v2.is-locked {
  pointer-events: none;
  opacity: 0.95;
}

.track-card-v2.is-dim {
  opacity: 0.55;
}

.track-card-v2.is-hero {
  background: linear-gradient(180deg, var(--surface), oklch(0.96 0.05 250 / 0.4));
  border-color: oklch(0.78 0.1 250);
  box-shadow: 0 14px 36px rgba(23, 78, 166, 0.12);
}

.track-card-v2-1 { border-color: oklch(0.86 0.05 250); }
.track-card-v2-1 .track-card-v2-icon { background: var(--track-1-soft); color: var(--track-1); }
.track-card-v2-1 .track-card-v2-cta { color: var(--track-1-deep); }

.track-card-v2-2 { border-color: oklch(0.86 0.06 150); }
.track-card-v2-2 .track-card-v2-icon { background: var(--track-2-soft); color: var(--track-2); }
.track-card-v2-2 .track-card-v2-cta { color: var(--track-2-deep); }

.track-card-v2-3 { border-color: oklch(0.86 0.08 60); }
.track-card-v2-3 .track-card-v2-icon { background: var(--track-3-soft); color: var(--track-3); }
.track-card-v2-3 .track-card-v2-cta { color: var(--track-3-deep); }

.track-card-v2-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.track-card-v2-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.track-card-v2-icon svg {
  width: 18px;
  height: 18px;
}

.track-card-v2-kicker {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.track-card-v2-pill {
  margin-left: auto;
  padding: 0.16rem 0.55rem;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.track-card-v2-title {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--brand-navy);
}

.track-card-v2-summary {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
  max-width: 30ch;
}

.track-card-v2-stats {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.86rem;
  color: var(--muted);
  margin-top: 0.3rem;
}

.track-card-v2-stats strong {
  color: var(--brand-navy);
  font-weight: 700;
}

.track-card-v2-pct {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  color: var(--brand-navy);
}

.track-card-v2-bar {
  height: 0.45rem;
  background: oklch(0.95 0.012 250);
  border-radius: 999px;
  overflow: hidden;
}

.track-card-v2-bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  transition: width 0.4s ease;
}

.track-card-v2-bar-fill-1 { background: var(--track-1); }
.track-card-v2-bar-fill-2 { background: var(--track-2); }
.track-card-v2-bar-fill-3 { background: var(--track-3); }

.track-card-v2-cta {
  margin-top: 0.4rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  font-size: 0.88rem;
}

.track-card-v2-cta svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.track-card-v2:hover .track-card-v2-cta svg { transform: translateX(2px); }

@media (max-width: 880px) {
  .track-cards-v2 { grid-template-columns: 1fr; }
}

/* Admin stat strip */
.admin-stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 0.8rem 0 1.1rem;
  padding: 0.85rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.admin-stat-strip-item {
  display: grid;
  gap: 0.2rem;
  position: relative;
}

.admin-stat-strip-item + .admin-stat-strip-item::before {
  content: '';
  position: absolute;
  left: -0.65rem;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background: var(--border);
}

.admin-stat-strip-num {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 800;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--brand-navy);
}

.admin-stat-strip-unit {
  font-size: 1rem;
  margin-left: 0.1rem;
  color: var(--muted);
}

.admin-stat-strip-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 720px) {
  .admin-stat-strip { grid-template-columns: repeat(2, 1fr); gap: 0.85rem 1rem; }
  .admin-stat-strip-item + .admin-stat-strip-item::before { display: none; }
}

/* Anthropic API spend widget */
.admin-spend-card {
  margin: 0 0 1.1rem;
  padding: 1.1rem 1.3rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background:
    radial-gradient(120% 100% at 100% 0%, var(--spend-glow, rgba(56, 132, 255, 0.10)) 0%, transparent 55%),
    var(--surface);
  box-shadow: 0 10px 26px rgba(16, 27, 47, 0.05);
}
.admin-spend-card-ok      { --spend-glow: rgba(34, 197, 94, 0.16);  --spend-bar: #16a34a; }
.admin-spend-card-warn    { --spend-glow: rgba(234, 179, 8, 0.20);  --spend-bar: #d97706; }
.admin-spend-card-danger  { --spend-glow: rgba(239, 68, 68, 0.20);  --spend-bar: #dc2626; }
.admin-spend-card-neutral { --spend-glow: rgba(56, 132, 255, 0.14); --spend-bar: var(--brand); }

.admin-spend-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.admin-spend-title {
  margin: 0.15rem 0 0.25rem;
  font-size: 1.1rem;
  color: var(--brand-navy);
}
.admin-spend-meta {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.admin-spend-meta code {
  background: var(--bg-alt);
  padding: 0.08rem 0.4rem;
  border-radius: 6px;
  font-size: 0.78rem;
  color: var(--ink);
}
.admin-spend-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.admin-spend-dot-on  { background: #16a34a; box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18); }
.admin-spend-dot-off { background: var(--muted); }

.admin-spend-cost {
  text-align: right;
  display: grid;
  gap: 0.1rem;
}
.admin-spend-cost-num {
  font-family: "Press Start 2P", "Space Grotesk", monospace;
  font-size: clamp(1.1rem, 2.4vw, 1.6rem);
  color: var(--brand-navy);
  letter-spacing: 0;
}
.admin-spend-cost-label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.admin-spend-budget {
  margin: 0.95rem 0 0.85rem;
  display: grid;
  gap: 0.4rem;
}
.admin-spend-budget-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.8rem;
}
.admin-spend-budget-label { color: var(--muted); font-weight: 700; }
.admin-spend-budget-val { color: var(--ink); font-weight: 800; }
.admin-spend-bar {
  height: 8px;
  border-radius: 99px;
  background: var(--bg-alt);
  overflow: hidden;
  position: relative;
}
.admin-spend-bar-fill {
  display: block;
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--spend-bar), color-mix(in oklab, var(--spend-bar) 70%, white));
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.admin-spend-budget-foot {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}
.admin-spend-budget-foot-empty {
  margin: 0.85rem 0 0;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  background: var(--bg-alt);
  font-size: 0.78rem;
  line-height: 1.45;
}
.admin-spend-budget-foot-empty code {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.06rem 0.36rem;
  border-radius: 5px;
  font-size: 0.76rem;
}

.admin-spend-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
  padding-top: 0.95rem;
  border-top: 1px dashed var(--border);
}
.admin-spend-stat { display: grid; gap: 0.15rem; }
.admin-spend-stat-label {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.admin-spend-stat-num {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.admin-spend-stat-sub { font-size: 0.72rem; color: var(--muted); }

@media (max-width: 720px) {
  .admin-spend-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-spend-cost { text-align: left; }
}

/* Toasts */
.toast-stack {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: grid;
  gap: 0.5rem;
  z-index: 200;
  pointer-events: none;
  max-width: min(420px, calc(100vw - 2rem));
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.7rem 0.65rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(16, 27, 47, 0.14);
  transform: translateY(-6px);
  opacity: 0;
  transition: opacity 0.22s cubic-bezier(0.22, 1, 0.36, 1), transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.toast.is-in { opacity: 1; transform: translateY(0); }
.toast.is-out { opacity: 0; transform: translateY(-6px); }

.toast-success { border-color: oklch(0.78 0.1 150); background: oklch(0.985 0.022 150); }
.toast-success .toast-msg::before { content: ''; }
.toast-error { border-color: oklch(0.78 0.12 25); background: oklch(0.985 0.02 25); }
.toast-info { border-color: oklch(0.78 0.08 250); background: oklch(0.985 0.018 250); }

.toast-msg {
  font-size: 0.92rem;
  color: var(--ink);
  line-height: 1.4;
  flex: 1;
  font-weight: 500;
}

.toast-close {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0.15rem;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.toast-close svg { width: 14px; height: 14px; }
.toast-close:hover { color: var(--ink); background: oklch(0.96 0.012 250); }

/* Logs table tight */
.logs-table-tight th {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
  padding: 0.55rem 0.7rem;
  text-align: left;
}

.logs-table-tight td {
  padding: 0.65rem 0.7rem;
  vertical-align: middle;
  border-top: 1px solid var(--border);
}

.logs-table-tight tbody tr:hover { background: oklch(0.985 0.012 250); }

.logs-row-track-1 td:first-child { box-shadow: inset 3px 0 0 var(--track-1); }
.logs-row-track-2 td:first-child { box-shadow: inset 3px 0 0 var(--track-2); }
.logs-row-track-3 td:first-child { box-shadow: inset 3px 0 0 var(--track-3); }

.logs-cell-meta {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.1rem;
}

.logs-challenge-id {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  color: var(--brand-navy);
}

.logs-activity {
  color: var(--ink);
  font-size: 0.9rem;
  margin-right: 0.4rem;
}

.logs-row-action-cell { text-align: right; }

/* Logs side drawer */
.logs-drawer {
  position: fixed;
  inset: 0;
  background: oklch(0.18 0.012 250 / 0.42);
  z-index: 180;
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  transition: opacity 0.22s ease;
}

/* The drawer toggles via the [hidden] attribute. Without this, the class-level
   display:flex overrides [hidden] and leaves an invisible full-viewport overlay
   that captures every click and keystroke on the page. */
.logs-drawer[hidden] {
  display: none;
}

.logs-drawer.is-open { opacity: 1; }

.logs-drawer-panel {
  width: min(560px, 100vw);
  height: 100%;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -24px 0 60px rgba(16, 27, 47, 0.16);
  transform: translateX(100%);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
  display: grid;
  grid-template-rows: auto 1fr;
}

.logs-drawer.is-open .logs-drawer-panel { transform: translateX(0); }

.logs-drawer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.55rem;
  padding: 1.15rem 1.25rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.logs-drawer-kicker {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-deep);
  font-weight: 700;
}

.logs-drawer-title {
  margin: 0.15rem 0 0.25rem;
  font-size: 1.4rem;
  color: var(--brand-navy);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: -0.015em;
}

.logs-drawer-meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.logs-drawer-close {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.logs-drawer-close svg { width: 16px; height: 16px; }
.logs-drawer-close:hover { color: var(--ink); border-color: oklch(0.86 0.04 250); }

.logs-drawer-body {
  padding: 1rem 1.25rem 1.5rem;
  overflow: auto;
  display: grid;
  gap: 0.65rem;
}

/* Typing dots */
.typing-dots {
  display: inline-flex;
  gap: 4px;
  padding: 0.4rem 0;
}

.typing-dots i {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--brand);
  opacity: 0.45;
  animation: typing-bounce 1.1s infinite ease-in-out;
}

.typing-dots i:nth-child(2) { animation-delay: 0.15s; }
.typing-dots i:nth-child(3) { animation-delay: 0.3s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.45; }
  40% { transform: translateY(-3px); opacity: 1; }
}

/* Solve celebration */
.solve-celebration {
  position: fixed;
  top: 1.3rem;
  left: 50%;
  transform: translate(-50%, -12px);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1.15rem;
  background: linear-gradient(135deg, var(--brand-navy), oklch(0.32 0.08 260));
  color: #fff;
  border-radius: 18px;
  box-shadow: 0 26px 50px rgba(16, 27, 47, 0.28);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
  z-index: 220;
  max-width: min(540px, calc(100vw - 2rem));
}

.solve-celebration.is-in { transform: translate(-50%, 0); opacity: 1; }
.solve-celebration.is-out { opacity: 0; transform: translate(-50%, -12px); }

.solve-celebration-tick {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: oklch(0.85 0.16 150);
  color: var(--brand-navy);
  flex-shrink: 0;
}

.solve-celebration-tick svg { width: 22px; height: 22px; }

.solve-celebration-body {
  display: grid;
  gap: 0.1rem;
}

.solve-celebration-body strong {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 1rem;
}

.solve-celebration-body code {
  font-size: 0.84rem;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.1rem 0.42rem;
  border-radius: 6px;
  letter-spacing: 0.01em;
}

/* Flag box reveal */
.flag-box.is-revealed {
  animation: flag-reveal 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes flag-reveal {
  0% { transform: translateY(-4px) scale(0.97); opacity: 0; }
  100% { transform: none; opacity: 1; }
}

/* Track hint disclosure */
.track-hint {
  margin: 0.5rem 0 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.track-hint > summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  list-style: none;
  cursor: pointer;
  padding: 0.7rem 0.85rem;
}

.track-hint > summary::-webkit-details-marker { display: none; }

.track-hint-icon {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  flex-shrink: 0;
}

.track-hint-icon svg { width: 16px; height: 16px; }

.track-hint-headline {
  display: grid;
  gap: 0.1rem;
}

.track-hint-headline strong {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--brand-navy);
  font-size: 0.96rem;
}

.track-hint-tagline {
  font-size: 0.84rem;
  color: var(--muted);
}

.track-hint-caret {
  margin-left: auto;
  width: 14px;
  height: 14px;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.track-hint[open] .track-hint-caret { transform: rotate(180deg); }

.track-hint[data-track="prompt-injection"] .track-hint-icon { background: var(--track-1-soft); color: var(--track-1); }
.track-hint[data-track="agent-workflow"] .track-hint-icon { background: var(--track-2-soft); color: var(--track-2); }
.track-hint[data-track="hidden-api"] .track-hint-icon { background: var(--track-3-soft); color: var(--track-3); }

.track-hint-body {
  padding: 0 0.95rem 0.9rem 3.05rem;
}

.track-hint-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.32rem;
}

.track-hint-bullets li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink);
}

.track-hint-bullets li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--brand);
}

.track-hint[data-track="prompt-injection"] .track-hint-bullets li::before { background: var(--track-1); }
.track-hint[data-track="agent-workflow"] .track-hint-bullets li::before { background: var(--track-2); }
.track-hint[data-track="hidden-api"] .track-hint-bullets li::before { background: var(--track-3); }

.track-hint-link {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--brand-deep);
  text-decoration: none;
}

.track-hint-link:hover { text-decoration: underline; }

/* More-guidance brief disclosure */
.brief-more-guidance {
  margin: 0.4rem 0 0;
  border: 1px dashed var(--border);
  border-radius: 12px;
  background: oklch(0.985 0.008 250);
}

.brief-more-guidance > summary {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  cursor: pointer;
  padding: 0.6rem 0.75rem;
}

.brief-more-guidance > summary::-webkit-details-marker { display: none; }

.brief-more-summary-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--brand-navy);
  font-weight: 700;
  font-size: 0.9rem;
}

.brief-more-summary-meta {
  font-size: 0.78rem;
  color: var(--muted);
  margin-left: 0.4rem;
}

.brief-more-caret {
  margin-left: auto;
  width: 14px;
  height: 14px;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.brief-more-guidance[open] .brief-more-caret { transform: rotate(180deg); }

.brief-more-body {
  padding: 0 0.85rem 0.85rem;
  display: grid;
  gap: 0.7rem;
}

/* Chat keyboard hint */
.chat-kbd-hint {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.chat-kbd-hint kbd {
  background: oklch(0.97 0.012 250);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.04rem 0.4rem;
  font-family: "Space Grotesk", "SF Mono", monospace;
  font-size: 0.78rem;
  color: var(--brand-navy);
  font-weight: 700;
}

/* Solution doc TOC */
.solution-doc-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin: 1rem 0 2rem;
}

.solution-doc-layout > .solution-doc {
  min-width: 0;
}

.solution-doc-toc {
  position: sticky;
  top: 5rem;
  padding: 0.9rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-height: calc(100vh - 6rem);
  overflow: auto;
}

.solution-doc-toc-kicker {
  margin: 0 0 0.4rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.solution-doc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.solution-doc-toc-list li a {
  display: block;
  padding: 0.32rem 0.5rem;
  border-radius: 8px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
  border-left: 2px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.solution-doc-toc-list li a:hover {
  color: var(--brand-deep);
  background: var(--brand-soft);
}

.solution-doc-toc-list li a.is-active {
  color: var(--brand-deep);
  background: var(--brand-soft);
}

.solution-doc-toc-list .solution-doc-toc-h3 a {
  padding-left: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

@media (max-width: 980px) {
  .solution-doc-layout { grid-template-columns: 1fr; }
  .solution-doc-toc { position: static; max-height: none; }
}

/* ═══════════════════════════════════════════════════════════════════════
   PIXEL-ACCENT IDENTITY LAYER — 2026 retro upgrade
   Additive only. The light theme and every existing layout are preserved.
   Rules below win by source order / specificity; nothing above is touched
   except the challenge split-column ratio.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --font-pixel: "Press Start 2P", "Space Grotesk", "Segoe UI", monospace;
  /* DESIGN.md accents, deepened so they stay legible on the light theme */
  --accent-orange: #d75f1e;
  --accent-orange-bright: #f07030;
  --accent-teal: #0e9b86;
  --accent-teal-bright: #00ccaa;
  --accent-purple: #7c3aed;
  --accent-purple-bright: #9b59b6;
}

.pixel-font { font-family: var(--font-pixel); letter-spacing: 0; }

/* Eyebrows become arcade labels everywhere (per-context colors kept intact) */
.eyebrow,
.auth-card-v2 > .eyebrow,
.help-final .eyebrow,
.home-hero-copy .eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.02em;
  line-height: 1.7;
}

/* Home hero: pixel headline with an 8-bit drop shadow */
.home-hero-copy h1 {
  font-family: var(--font-pixel);
  font-size: clamp(1.05rem, 2.2vw, 1.55rem);
  line-height: 1.5;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: 3px 3px 0 rgba(215, 95, 30, 0.16);
}

/* Home hero event banner (guest view) with a faint CRT scanline overlay */
.home-hero-visual {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 16px 38px rgba(16, 27, 47, 0.09);
}

.home-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.home-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 2px, rgba(16, 27, 47, 0.04) 2px 3px);
  mix-blend-mode: multiply;
}

/* Track card kickers as pixel tags */
.track-card-v2-kicker {
  font-family: var(--font-pixel);
  font-size: 0.58rem;
  letter-spacing: 0.02em;
}

/* Authed hero: arcade scoreboard numbers, accent triad woven in */
.home-progress-stat-num {
  font-family: var(--font-pixel);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  letter-spacing: 0;
}

.home-progress-stat-divider {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

.home-progress-stats .home-progress-stat:nth-child(1) .home-progress-stat-num { color: var(--accent-teal); }
.home-progress-stats .home-progress-stat:nth-child(2) .home-progress-stat-num { color: var(--accent-purple); }
.home-progress-stats .home-progress-stat:nth-child(3) .home-progress-stat-num { color: var(--accent-orange); }

/* Reset-chat button (Track 1 surface): black */
#resetChatBtn {
  background: #17171c;
  color: #ffffff;
  border: 1px solid #17171c;
}

#resetChatBtn:hover {
  background: #0c0c10;
  box-shadow: 0 4px 14px rgba(12, 12, 16, 0.22);
}

/* ═══════════════════════════════════════════════════════════════════════
   DARK MODE — "Arcade / CRT" theme
   Additive only. Flips design tokens (covers ~425 var() uses) then patches
   the hardcoded light surfaces by name. Toggle via html[data-theme="dark"].
   ═══════════════════════════════════════════════════════════════════════ */
html[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0a0a12;
  --bg-alt: #0c0c16;
  --surface: #14141f;
  --ink: #e7e9f1;
  --muted: #9aa0b3;

  --brand: #5b9bff;
  --brand-deep: #82b4ff;
  --brand-navy: #eef3ff;
  --brand-soft: rgba(91, 155, 255, 0.16);

  --border: rgba(255, 255, 255, 0.10);

  --success-bg: rgba(52, 211, 153, 0.14);
  --success-border: transparent;
  --success-ink: #4ade80;
  --danger: #ff7a72;

  --track-1: #5b9bff; --track-1-deep: #82b4ff; --track-1-soft: rgba(91, 155, 255, 0.16);
  --track-2: #34d399; --track-2-deep: #6ee7b7; --track-2-soft: rgba(52, 211, 153, 0.16);
  --track-3: #fb923c; --track-3-deep: #fdba74; --track-3-soft: rgba(251, 146, 60, 0.16);

  /* Accent triad at full neon for the dark surface */
  --accent-orange: #ff8a4c;
  --accent-teal: #2fe0c0;
  --accent-purple: #b07cff;

  /* Convenience surfaces for the dark patches below */
  --sf-card: #161622;
  --sf-chip: rgba(255, 255, 255, 0.055);
  --sf-sunken: rgba(255, 255, 255, 0.06);
  --sf-trough: rgba(255, 255, 255, 0.09);

  /* Secondary-button chip (flips via the base rule's var fallback) */
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-bg-hover: rgba(255, 255, 255, 0.10);
  --chip-border: rgba(255, 255, 255, 0.14);
}

/* --- Base chrome --------------------------------------------------------- */
html[data-theme="dark"] body {
  background:
    radial-gradient(ellipse 80% 60% at 12% 0%, rgba(91, 155, 255, 0.12), transparent 60%),
    radial-gradient(ellipse 70% 60% at 92% 18%, rgba(47, 224, 192, 0.08), transparent 60%),
    radial-gradient(ellipse 90% 55% at 50% 95%, rgba(255, 138, 76, 0.07), transparent 65%),
    linear-gradient(180deg, #0a0a12 0%, #0b0b15 45%, #08080f 100%);
}

html[data-theme="dark"] body::before {
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 1.4px);
  opacity: 0.45;
}

html[data-theme="dark"] .site-header {
  background: rgba(16, 16, 26, 0.82);
  border-color: rgba(255, 255, 255, 0.08);
}

html[data-theme="dark"] .site-footer {
  background: #101019;
  border-color: rgba(255, 255, 255, 0.08);
}

/* The footer logo art is drawn for light backgrounds; give it a light chip. */
html[data-theme="dark"] .site-footer-logo-wrap {
  background: #fff;
  border-radius: 8px;
  padding: 4px 8px;
}

/* --- Brand-navy used as a FILL (token now resolves to near-white) -------- */
html[data-theme="dark"] .solutions-tab.is-active {
  background: var(--brand);
  color: #0a0a12;
}

html[data-theme="dark"] .help-final {
  background: linear-gradient(135deg, #16223f 0%, #0f1830 100%);
  border: 1px solid rgba(91, 155, 255, 0.20);
}

/* --- Hardcoded light surfaces, patched by name --------------------------- */
html[data-theme="dark"] .challenge-unified-card {
  background: var(--sf-card);
  border-color: var(--border);
}

html[data-theme="dark"] .btn.btn-secondary {
  background: var(--sf-chip);
  color: var(--brand-deep);
  border-color: var(--border);
}

html[data-theme="dark"] .btn.btn-secondary:hover {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

html[data-theme="dark"] .pill,
html[data-theme="dark"] .solution-table th {
  background: var(--sf-chip);
}

html[data-theme="dark"] .nav-link-track.is-active .nav-track-icon,
html[data-theme="dark"] .track-card-v2-icon-overlay {
  background: #1b1b29;
}

/* Code / kbd / inset chips (were the light oklch greys) */
html[data-theme="dark"] .auth-field-hint code,
html[data-theme="dark"] .help-general-card code,
html[data-theme="dark"] .help-bullets code,
html[data-theme="dark"] .chat-kbd-hint kbd,
html[data-theme="dark"] .solution-doc-wide :where(code),
html[data-theme="dark"] .solution-doc-wide :where(th) {
  background: var(--sf-sunken);
}

/* Progress troughs + media wells */
html[data-theme="dark"] .home-progress-segment,
html[data-theme="dark"] .track-card-v2-bar,
html[data-theme="dark"] .track-card-v2-media {
  background: var(--sf-trough);
}

/* Admin / solution icon chips */
html[data-theme="dark"] .admin-stat-glyph,
html[data-theme="dark"] .admin-quick-icon,
html[data-theme="dark"] .solutions-empty-glyph {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

/* Hover rows / quiet hovers */
html[data-theme="dark"] .logs-table tbody tr:hover,
html[data-theme="dark"] .logs-table-tight tbody tr:hover,
html[data-theme="dark"] .site-footer-nav a:hover,
html[data-theme="dark"] .nav-admin-item:hover,
html[data-theme="dark"] .toast-close:hover {
  background: var(--sf-sunken);
}

/* Log transcript turns */
html[data-theme="dark"] .log-turn-assistant {
  background: var(--sf-sunken);
}

/* Warm / status callouts */
html[data-theme="dark"] .brief-callout-warning {
  background: rgba(251, 146, 60, 0.12);
  border-color: rgba(251, 146, 60, 0.30);
}

html[data-theme="dark"] .log-badge-pattern {
  background: rgba(251, 146, 60, 0.16);
  color: #fdba74;
}

html[data-theme="dark"] .log-badge-rate {
  background: rgba(255, 122, 114, 0.16);
  color: #ff9b95;
}

html[data-theme="dark"] .log-badge-active {
  background: var(--brand-soft);
  color: var(--brand-deep);
}

html[data-theme="dark"] .log-badge-solved {
  background: rgba(52, 211, 153, 0.14);
  color: var(--success-ink);
}

/* Auth + visual panels */
html[data-theme="dark"] .auth-visual-panel {
  background: linear-gradient(180deg, #14141f, #101019);
}

html[data-theme="dark"] .auth-card-v2 {
  background:
    radial-gradient(140% 100% at 0% 0%, rgba(91, 155, 255, 0.10) 0%, transparent 60%),
    var(--surface);
}

/* Generic shadows read as smudges on dark; soften site-wide. */
html[data-theme="dark"] .home-hero-v2,
html[data-theme="dark"] .home-hero-progress,
html[data-theme="dark"] .home-hero-visual,
html[data-theme="dark"] .track-card-v2,
html[data-theme="dark"] .challenge-brief-panel {
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

/* --- Retro "wow": neon glow on the hero headline + primary buttons ------- */
html[data-theme="dark"] .home-hero-copy h1 {
  text-shadow: 0 0 22px rgba(91, 155, 255, 0.40), 3px 3px 0 rgba(255, 138, 76, 0.30);
}

html[data-theme="dark"] .btn:not(.btn-secondary):hover {
  box-shadow: 0 0 0 1px rgba(91, 155, 255, 0.40), 0 6px 22px rgba(91, 155, 255, 0.30);
}

/* The black "Reset chat" button is invisible on dark — make it a clean ghost. */
html[data-theme="dark"] #resetChatBtn {
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
  border: 1px solid var(--border);
}

html[data-theme="dark"] #resetChatBtn:hover {
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

/* Photographic covers/banners sit a touch hot on dark; ease them down. */
html[data-theme="dark"] .home-hero-visual img,
html[data-theme="dark"] .brief-cover img,
html[data-theme="dark"] .track-card-v2-media img {
  filter: brightness(0.92) saturate(1.05);
}

/* Form fields default to the browser's white; theme them for dark. */
html[data-theme="dark"] input,
html[data-theme="dark"] textarea,
html[data-theme="dark"] select {
  background: #0f0f18;
  color: var(--ink);
  border-color: var(--border);
}

html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

html[data-theme="dark"] textarea:focus,
html[data-theme="dark"] input:focus,
html[data-theme="dark"] select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(91, 155, 255, 0.20);
}

/* Challenge-page light surfaces */
html[data-theme="dark"] .brief-cover {
  background: var(--sf-card);
}

html[data-theme="dark"] .mission-difficulty-badge {
  background: var(--sf-chip);
}

html[data-theme="dark"] .simple-chat-log .msg.status {
  background: rgba(251, 146, 60, 0.10);
}

/* Track-page roadmap light surfaces */
html[data-theme="dark"] .challenge-cover-img {
  background: var(--sf-card);
}

html[data-theme="dark"] .challenge-chip {
  background: var(--sf-chip);
}


/* ═══════════════════════════════════════════════════════════════════════
   AUTH + 404 — full-bleed split shell
   Left: clean form pane on --surface. Right: full-bleed media carousel.
   Site header/footer are hidden via body.auth-shell so the split owns the
   whole viewport. Works in both themes off the shared tokens.
   ═══════════════════════════════════════════════════════════════════════ */
body.auth-shell {
  background: var(--surface);
}
body.auth-shell::before { display: none; }
body.auth-shell .site-header,
body.auth-shell .site-footer { display: none; }
body.auth-shell main {
  width: 100%;
  max-width: none;
  margin: 0;
  flex: 1 0 auto;
}

.auth-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--surface);
}

/* --- Form pane (left) --------------------------------------------------- */
.auth-form-pane {
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
  padding: clamp(1.5rem, 4vw, 3.25rem);
  background: var(--surface);
}
.auth-form-inner {
  width: 100%;
  max-width: 404px;
  margin: 0 auto;
  display: grid;
  gap: 0.85rem;
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--brand-navy);
  margin-bottom: 0.55rem;
}
.auth-brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: linear-gradient(135deg, #f7f9ff, #e8f0fe);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.55);
}
.auth-brand-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.auth-brand-copy { display: grid; gap: 0.12rem; }
.auth-brand-name {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 800;
  font-size: 1.06rem;
  line-height: 1;
}
.auth-brand-meta {
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.auth-form-inner .eyebrow {
  margin: 0;
  color: var(--brand-deep);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.auth-form-inner h1 {
  margin: 0;
  font-size: clamp(1.85rem, 3vw, 2.4rem);
  line-height: 1.06;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.auth-form-inner .auth-card-lede {
  margin: 0 0 0.25rem;
}

.auth-submit {
  width: 100%;
  justify-content: center;
  text-align: center;
}

.auth-alt-link {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* New: "New player?" / "Already a player?" block sits below the primary submit. */
.auth-alt {
  display: grid;
  gap: 0.6rem;
  margin: 0.2rem 0 0;
}
.auth-alt-divider {
  position: relative;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.auth-alt-divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--border);
}
.auth-alt-divider > span {
  position: relative;
  z-index: 1;
  background: var(--surface);
  padding: 0 0.6rem;
}
.auth-alt-btn {
  width: 100%;
  justify-content: center;
  text-align: center;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.auth-alt-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --- Compact rules + footer credit -------------------------------------- */
.auth-rules {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.45rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--border);
}
.auth-rules-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.auth-rule-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.3rem 0.62rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg-alt);
}
.auth-rule-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--chip-dot, var(--brand));
}
.auth-rule-chip.t1 { --chip-dot: var(--track-1); }
.auth-rule-chip.t2 { --chip-dot: var(--track-2); }
.auth-rule-chip.t3 { --chip-dot: var(--track-3); }
.auth-rules-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.auth-rules-line {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}
.auth-rules-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brand-deep);
  text-decoration: none;
  white-space: nowrap;
}
.auth-rules-link svg { width: 14px; height: 14px; transition: transform 0.18s ease; }
.auth-rules-link:hover { text-decoration: underline; }
.auth-rules-link:hover svg { transform: translateX(2px); }

.auth-credit {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  color: var(--muted);
}
.auth-credit a { color: var(--brand-deep); text-decoration: none; }
.auth-credit a:hover { text-decoration: underline; }

/* --- Media pane (right): crossfade carousel ----------------------------- */
.auth-media {
  position: relative;
  overflow: hidden;
  background: #070b16;
  isolation: isolate;
}
.auth-media-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity;
}
.auth-media-slide.is-active { opacity: 1; }
.auth-media-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.auth-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(130% 90% at 50% 28%, transparent 58%, rgba(4, 8, 18, 0.4) 100%),
    linear-gradient(0deg, rgba(4, 8, 18, 0.5), transparent 28%);
}
.auth-media-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.25rem;
  z-index: 2;
  display: flex;
  gap: 0.42rem;
  justify-content: center;
}
.auth-media-dot {
  width: 22px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: background 0.3s ease, width 0.3s ease;
}
.auth-media-dot:hover { background: rgba(255, 255, 255, 0.7); }
.auth-media-dot.is-active { background: #ffffff; width: 36px; }

@media (prefers-reduced-motion: reduce) {
  .auth-media-slide { transition: none; }
}

/* --- 404 (reuses the split shell) --------------------------------------- */
.notfound-code {
  font-family: "Press Start 2P", "Space Grotesk", monospace;
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--brand);
  text-shadow: 5px 5px 0 var(--brand-soft);
  margin: 0 0 0.2rem;
}
.notfound-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.55rem;
}
.notfound-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  margin-top: 0.4rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--border);
}
.notfound-links a {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--brand-deep);
  text-decoration: none;
}
.notfound-links a:hover { text-decoration: underline; }

/* --- Responsive: stack with media as a top banner ----------------------- */
@media (max-width: 900px) {
  .auth-split {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .auth-media {
    order: -1;
    min-height: 30vh;
    max-height: 34vh;
  }
  .auth-form-pane {
    justify-content: flex-start;
    padding-top: clamp(1.75rem, 6vw, 2.5rem);
    padding-bottom: clamp(1.75rem, 6vw, 2.5rem);
  }
}
@media (max-width: 560px) {
  .auth-media { min-height: 22vh; max-height: 26vh; }
  .auth-media-dots { bottom: 0.7rem; }
}

/* Desktop: pin the split to the viewport so the form pane scrolls inside
   itself if a form runs tall, and the media pane stays fixed full-height. */
@media (min-width: 901px) {
  .auth-split { height: 100vh; height: 100dvh; }
  .auth-form-pane { min-height: 0; }
  .auth-media { height: 100%; }
}

/* ═══════════════════════════════════════════════════════════════════════
   Pixel display type — the Press Start 2P accent used for impactful titles
   across the app (auth, home hero, track + challenge headings, prize band).
   Applied via the .title-pixel class so body copy stays readable.
   ═══════════════════════════════════════════════════════════════════════ */
.title-pixel {
  font-family: "Press Start 2P", "Space Grotesk", "Segoe UI", monospace;
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: 0.005em;
  text-transform: none;
}
.auth-form-inner h1.title-pixel {
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.35;
  color: var(--brand-navy);
}
.home-hero-copy h1.title-pixel {
  margin: 0.1rem 0 0.55rem;
  font-size: clamp(1.3rem, 2.7vw, 2rem);
  line-height: 1.4;
  letter-spacing: 0;
}
.track-head h1.title-pixel {
  margin: 0.4rem 0;
  font-size: clamp(1.15rem, 2.3vw, 1.75rem);
  line-height: 1.4;
}
.mission-title.title-pixel {
  font-size: clamp(0.92rem, 1.4vw, 1.12rem);
  line-height: 1.4;
  letter-spacing: 0;
  gap: 0.55rem;
  flex-wrap: wrap;
}
.prize-title.title-pixel {
  margin: 0;
  font-size: clamp(0.92rem, 1.5vw, 1.18rem);
  line-height: 1.35;
  color: var(--brand-navy);
}

/* ═══════════════════════════════════════════════════════════════════════
   Auth refinements — narrower form column (≈30/70), tighter rhythm, prize
   prerequisites rail, single-row rules, smaller credit.
   ═══════════════════════════════════════════════════════════════════════ */
@media (min-width: 901px) {
  .auth-split { grid-template-columns: clamp(330px, 32%, 520px) 1fr; }
}
.auth-form-pane { padding: clamp(1.85rem, 3.5vw, 3.5rem); }
.auth-form-inner { gap: 1.05rem; max-width: 440px; }
.auth-form-v2 { gap: 0.95rem; margin-top: 0.5rem; }
.auth-field { gap: 0.42rem; }
.auth-field input { height: 2.85rem; }
.auth-brand { margin-bottom: 0.9rem; }
.auth-submit { margin-top: 0.3rem; }

.auth-prereqs {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.7rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.auth-prereqs-head {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--track-3-deep);
}
.auth-prereqs-head svg { width: 15px; height: 15px; flex-shrink: 0; }

/* Override the earlier stacked rules block: chips + link share one row. */
.auth-rules {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  margin-top: 0.2rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
}
.auth-credit { font-size: 0.68rem; margin-top: 0.1rem; }

/* ═══════════════════════════════════════════════════════════════════════
   Community actions — the 3 prize prerequisites (repo star, Slack, LinkedIn).
   Rail = compact chips (auth panes, site footer). Cards = homepage band.
   ═══════════════════════════════════════════════════════════════════════ */
.community-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.community-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.85rem 0.5rem 0.55rem;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 1px 0 rgba(16, 27, 47, 0.04), 0 4px 12px rgba(16, 27, 47, 0.04);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.community-chip:hover {
  border-color: var(--brand);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(16, 27, 47, 0.05), 0 10px 22px rgba(16, 27, 47, 0.08);
}
.community-chip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-deep);
}
.community-chip-icon svg { width: 13px; height: 13px; display: block; }
.community-chip-github .community-chip-icon { background: oklch(0.93 0.008 250); color: var(--ink); }
.community-chip-slack .community-chip-icon { background: rgba(124, 58, 237, 0.14); color: #7c3aed; }
.community-chip-linkedin .community-chip-icon { background: rgba(10, 102, 194, 0.14); color: #0a66c2; }

.community-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}
.community-cards li { display: flex; }
.community-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  width: 100%;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), transparent 60%),
    var(--surface);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.22s ease, box-shadow 0.22s ease;
}
.community-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -60% auto;
  width: 60%;
  height: 130%;
  background: radial-gradient(closest-side, var(--card-glow, var(--brand-soft)), transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}
.community-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
  box-shadow: 0 16px 32px rgba(16, 27, 47, 0.11);
}
.community-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--brand-soft);
  color: var(--brand-deep);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6);
}
.community-card-icon svg { width: 22px; height: 22px; }
.community-card-github { --card-glow: oklch(0.93 0.008 250); }
.community-card-github .community-card-icon { background: oklch(0.93 0.008 250); color: var(--ink); }
.community-card-slack { --card-glow: rgba(124, 58, 237, 0.18); }
.community-card-slack .community-card-icon { background: rgba(124, 58, 237, 0.13); color: #7c3aed; }
.community-card-linkedin { --card-glow: rgba(10, 102, 194, 0.18); }
.community-card-linkedin .community-card-icon { background: rgba(10, 102, 194, 0.13); color: #0a66c2; }
.community-card-text { position: relative; z-index: 1; display: grid; gap: 0.2rem; min-width: 0; }
.community-card-step {
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.community-card-label { font-weight: 700; font-size: 0.98rem; color: var(--ink); letter-spacing: -0.005em; }
.community-card-badge {
  position: relative;
  z-index: 1;
  margin-left: auto;
  flex-shrink: 0;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--track-3-deep);
  background: var(--track-3-soft);
  padding: 0.28rem 0.6rem;
  border-radius: 99px;
  white-space: nowrap;
  border: 1px solid color-mix(in oklab, var(--track-3-deep) 18%, transparent);
}

/* Homepage prize band */
.prize-section {
  margin: 1.3rem 0 0.4rem;
  padding: 1.15rem 1.3rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background:
    radial-gradient(130% 130% at 100% 0%, var(--track-3-soft) 0%, transparent 55%),
    var(--surface);
  box-shadow: 0 10px 30px rgba(16, 27, 47, 0.04);
}
.prize-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.95rem;
}
.prize-head-copy { display: grid; gap: 0.25rem; }
.prize-sub { margin: 0; color: var(--muted); font-size: 0.88rem; max-width: 62ch; }
.prize-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--track-3-deep);
  background: var(--track-3-soft);
  padding: 0.42rem 0.75rem;
  border-radius: 99px;
}
.prize-badge svg { width: 16px; height: 16px; }

/* Site footer community rail */
.site-footer-community {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.site-footer-community-label {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--track-3-deep);
}
.site-footer-help {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.66rem;
  border-radius: 99px;
  color: oklch(0.5 0.02 250);
  text-decoration: none;
  font-size: 0.76rem;
  font-weight: 700;
}
.site-footer-help svg { width: 1rem; height: 1rem; }
.site-footer-help:hover { color: var(--brand-navy); }

@media (max-width: 900px) {
  .community-cards { grid-template-columns: 1fr; }
  .site-footer-community { justify-content: flex-start; }
}