@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --ink: #10212d;
  --ink-soft: #475866;
  --paper: #f7f3eb;
  --paper-strong: #f1e4d7;
  --powder: #d8e6f3;
  --powder-strong: #bfd4e7;
  --mint: #dcefd2;
  --mint-strong: #bfdcae;
  --accent: #d9623b;
  --accent-dark: #9f381d;
  --success: #2d7c5c;
  --warning: #b06d19;
  --danger: #a53636;
  --line: rgba(16, 33, 45, 0.12);
  --shadow: 0 18px 48px rgba(16, 33, 45, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(217, 98, 59, 0.12), transparent 24%),
    radial-gradient(circle at top left, rgba(191, 212, 231, 0.6), transparent 30%),
    linear-gradient(180deg, #fcf8f2 0%, #f7f3eb 44%, #f5f7f8 100%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
}

.site-chrome {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 33, 45, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 33, 45, 0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.35), transparent 85%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(247, 243, 235, 0.82);
  border-bottom: 1px solid rgba(16, 33, 45, 0.08);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ink), #345469);
  color: white;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy strong {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.1rem;
}

.brand-copy small {
  color: var(--ink-soft);
}

.brand-event-logo {
  width: 130px;
  height: auto;
  margin-left: 2px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  transition: 180ms ease;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--ink);
  background: rgba(191, 212, 231, 0.28);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  display: grid;
  gap: 2px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(16, 33, 45, 0.06);
}

.user-badge small {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  border-radius: 999px;
  padding: 10px 14px;
}

.flash-zone {
  padding-top: 18px;
  display: grid;
  gap: 12px;
}

.flash {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
}

.flash-success {
  border-color: rgba(45, 124, 92, 0.24);
}

.flash-warning {
  border-color: rgba(176, 109, 25, 0.24);
}

.flash-error {
  border-color: rgba(165, 54, 54, 0.24);
}

.hero,
.page-hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

.hero h1,
.page-hero h1 {
  margin: 12px 0 14px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lead {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.lead.narrow {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  padding: 13px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: 180ms ease;
  font-weight: 600;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #ed8d68);
  color: white;
  box-shadow: 0 10px 24px rgba(217, 98, 59, 0.24);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
}

.button-ghost {
  border-color: rgba(16, 33, 45, 0.18);
  background: transparent;
}

.button-disabled {
  background: rgba(16, 33, 45, 0.06);
  color: var(--ink-soft);
  cursor: default;
}

.button-danger {
  background: rgba(165, 54, 54, 0.08);
  color: var(--danger);
  border-color: rgba(165, 54, 54, 0.16);
}

.hero-visual {
  display: grid;
  gap: 18px;
}

.hero-panel,
.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 33, 45, 0.08);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 20px;
}

.hero-panel img {
  border-radius: 20px;
  border: 1px solid rgba(16, 33, 45, 0.06);
  width: 100%;
}

.panel-label,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.tag {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(16, 33, 45, 0.06);
}

.stat-ribbon {
  padding-bottom: 18px;
}

.stat-grid,
.three-up,
.four-up,
.top-grid {
  display: grid;
  gap: 18px;
}

.stat-grid {
  grid-template-columns: repeat(4, 1fr);
}

.stat-card {
  padding: 22px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(216, 230, 243, 0.82), rgba(247, 243, 235, 0.92));
  border: 1px solid rgba(16, 33, 45, 0.06);
}

.stat-card strong {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
}

.stat-card span {
  color: var(--ink-soft);
}

.section {
  padding: 52px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(216, 230, 243, 0.26), rgba(241, 228, 215, 0.42));
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading.left {
  margin-bottom: 18px;
}

.section-heading h2,
.card h2,
.card h3 {
  margin: 10px 0 0;
  font-family: "Fraunces", Georgia, serif;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  max-width: 900px;
}

.split-grid,
.platform-grid,
.task-grid,
.result-layout,
.auth-grid,
.form-columns {
  display: grid;
  gap: 22px;
}

.split-grid,
.platform-grid,
.result-layout,
.auth-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.task-grid {
  grid-template-columns: 1fr;
}

.three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.top-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 24px;
}

.card-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(216, 230, 243, 0.34));
}

.platform-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: center;
}

.platform-card img,
.card img {
  border-radius: 18px;
  border: 1px solid rgba(16, 33, 45, 0.08);
}

.task-card {
  padding: 18px;
}

.task-card img {
  border-radius: 18px;
  margin-top: 16px;
}

.tone-mint {
  background: linear-gradient(180deg, rgba(220, 239, 210, 0.92), rgba(255, 255, 255, 0.82));
}

.tone-powder {
  background: linear-gradient(180deg, rgba(216, 230, 243, 0.92), rgba(255, 255, 255, 0.82));
}

.tone-sand {
  background: linear-gradient(180deg, rgba(241, 228, 215, 0.94), rgba(255, 255, 255, 0.82));
}

.task-copy h3 {
  font-size: 1.4rem;
}

.task-list,
.detail-list,
.mini-list {
  display: grid;
  gap: 10px;
}

.task-list span,
.detail-list span,
.mini-list-item {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(16, 33, 45, 0.06);
}

code {
  word-break: break-all;
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
}

.task-list {
  margin-top: 16px;
}

.metric-card span {
  color: var(--ink-soft);
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-family: "Fraunces", Georgia, serif;
}

.table-shell {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(16, 33, 45, 0.08);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

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

.leaderboard-table th,
.leaderboard-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(16, 33, 45, 0.08);
  vertical-align: top;
}

.leaderboard-table thead th {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: rgba(16, 33, 45, 0.04);
}

.table-primary {
  display: grid;
  gap: 6px;
}

.table-primary a {
  color: var(--accent-dark);
}

/* Leaderboard */
.leaderboard-hero {
  padding-bottom: 20px;
}

.leaderboard-hero h1 {
  max-width: 820px;
}

.leaderboard-section {
  padding-top: 24px;
}

.leaderboard-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.leaderboard-summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.leaderboard-summary span strong {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-size: 0.72rem;
}

.leaderboard-summary small {
  margin-left: auto;
  color: var(--ink-soft);
}

.leaderboard-shell {
  border-radius: var(--radius-md);
}

.leaderboard-table-compact th,
.leaderboard-table-compact td {
  padding: 17px 20px;
  vertical-align: middle;
}

.leaderboard-table-compact tbody tr:last-child td {
  border-bottom: 0;
}

.leaderboard-table-compact tr.is-podium {
  background: rgba(220, 239, 210, 0.2);
}

.rank-number {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(16, 33, 45, 0.07);
  font-family: "Fraunces", Georgia, serif;
}

.is-podium .rank-number {
  background: var(--ink);
  color: white;
}

.leaderboard-model {
  display: grid;
  gap: 7px;
}

.leaderboard-model > strong {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.08rem;
}

.leaderboard-model div {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.leaderboard-model a {
  color: var(--accent-dark);
  font-weight: 600;
}

.score-primary {
  color: var(--success);
  font-size: 1.05rem;
}

.empty-table {
  padding: 42px !important;
  color: var(--ink-soft);
  text-align: center !important;
}

.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* Data page */
.data-hero {
  padding-bottom: 24px;
}

.data-hero h1 {
  max-width: 1080px;
  font-size: clamp(3rem, 6vw, 5rem);
}

.data-lead {
  max-width: 920px;
}

.data-section {
  padding-top: 30px;
}

.data-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.data-panel {
  display: grid;
  gap: 22px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.data-panel-real {
  background: linear-gradient(160deg, rgba(241, 228, 215, 0.86), rgba(255, 255, 255, 0.9) 44%);
}

.data-panel-sim {
  background: linear-gradient(160deg, rgba(216, 230, 243, 0.86), rgba(255, 255, 255, 0.9) 44%);
}

.evaluation-panel-sim .data-count {
  color: #345469;
}

.evaluation-panel-real .data-count {
  color: var(--success);
}

.data-panel-header {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: start;
}

.data-panel h2 {
  margin: 12px 0 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.data-panel > p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.data-panel > img {
  width: min(100%, 920px);
  aspect-ratio: 16 / 8.3;
  object-fit: contain;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: white;
}

.data-count {
  flex: 0 0 auto;
  display: grid;
  color: var(--accent-dark);
  font-family: "Fraunces", Georgia, serif;
  font-size: 2.2rem;
  line-height: 1;
  text-align: right;
}

.data-count small {
  margin-top: 6px;
  color: var(--ink-soft);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.data-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.66);
}

.data-facts span {
  display: grid;
  gap: 3px;
  padding: 15px;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.data-facts span + span {
  border-left: 1px solid var(--line);
}

.data-facts strong {
  color: var(--ink);
  font-size: 1.2rem;
}

.condition-list,
.randomization-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.condition-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  border-top: 0;
}

.condition-list > div,
.randomization-list > div {
  display: grid;
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.condition-list > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.62);
}

.condition-list span,
.randomization-list span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.45;
}


/* Concise home page */
.home-hero {
  padding: 68px 0 34px;
}

.home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}

.home-hero h1 {
  max-width: 940px;
  font-size: clamp(3.25rem, 6.5vw, 5.8rem);
}

.hero-affiliation {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
}

.hero-affiliation img {
  width: 160px;
  height: auto;
}

.hero-affiliation span {
  padding-left: 14px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-hero .lead {
  max-width: 820px;
  margin-bottom: 0;
}

.hero-note {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.home-hero-figure {
  width: min(100%, 980px);
  justify-self: start;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.home-hero-figure img {
  width: 100%;
  border-radius: 18px;
}

.home-hero-figure figcaption {
  display: grid;
  grid-template-columns: minmax(220px, 0.35fr) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 18px 6px 4px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.home-hero-figure figcaption strong {
  color: var(--ink);
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.15rem;
}

.home-section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.compact-heading {
  max-width: 760px;
}

.compact-heading h2 {
  font-size: clamp(2.5rem, 4.8vw, 4.25rem);
}

.compact-heading p {
  color: var(--ink-soft);
  line-height: 1.65;
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}

.stage-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.82);
}

.stage-card-final {
  background: linear-gradient(145deg, rgba(220, 239, 210, 0.75), rgba(255, 255, 255, 0.9));
}

.stage-number {
  color: var(--accent);
  font-family: "Fraunces", Georgia, serif;
  font-size: 2rem;
}

.stage-card h3,
.competition-timeline h3,
.resource-panel h2,
.home-cta h2 {
  margin: 10px 0 8px;
  font-family: "Fraunces", Georgia, serif;
  letter-spacing: -0.025em;
}

.stage-card p,
.competition-timeline p,
.resource-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.stage-arrow {
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 1.8rem;
}

.competition-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.competition-timeline li {
  position: relative;
  padding: 30px 20px 0 0;
  border-top: 2px solid var(--powder-strong);
}

.competition-timeline li::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--paper);
}

.competition-timeline time {
  display: block;
  min-height: 42px;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.competition-timeline h3 {
  font-size: 1.15rem;
}

.competition-timeline p {
  padding-right: 16px;
  font-size: 0.9rem;
}

.compact-task-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.compact-task-group {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.compact-task-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.compact-task-list span {
  padding: 7px 10px;
  border: 1px solid rgba(16, 33, 45, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
}

.metric-strip span {
  display: grid;
  gap: 3px;
  padding: 17px 20px;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.metric-strip span + span {
  border-left: 1px solid var(--line);
}

.metric-strip strong {
  color: var(--ink);
  font-size: 1rem;
}

.resource-panel {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 54px;
  align-items: center;
}

.resource-panel h2,
.home-cta h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.resource-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.resource-links a {
  display: grid;
  gap: 8px;
  min-height: 170px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.84);
  transition: 180ms ease;
}

.resource-links a:hover {
  transform: translateY(-2px);
  border-color: rgba(217, 98, 59, 0.4);
}

.resource-links span,
.resource-links small {
  color: var(--ink-soft);
}

.resource-links strong {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.3rem;
}

.home-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.panel-stack {
  display: grid;
  gap: 20px;
}

.panel-stack.compact {
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-span-2 {
  grid-column: span 2;
}

.field span {
  font-weight: 600;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(16, 33, 45, 0.16);
  background: rgba(255, 255, 255, 0.9);
  padding: 13px 14px;
  color: var(--ink);
}

.field textarea {
  resize: vertical;
}

.inline-field {
  margin-top: 14px;
}

.field-note {
  margin: 0;
  color: var(--ink-soft);
}

.field-note.is-error {
  color: var(--danger);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.choice-card,
.choice-inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(16, 33, 45, 0.08);
}

.choice-card {
  min-height: 64px;
}

.choice-card input,
.choice-inline input {
  width: 18px;
  height: 18px;
}

.toggle-target.is-hidden {
  display: none;
}

.output-matrix {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 12px;
  align-items: center;
  margin-bottom: 18px;
}

.output-header,
.output-label {
  padding: 12px 0;
  font-weight: 600;
}

.status-pill {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(16, 33, 45, 0.08);
}

.status-published {
  background: rgba(45, 124, 92, 0.12);
  color: var(--success);
}

.status-evaluating,
.status-scheduled,
.status-queued {
  background: rgba(217, 98, 59, 0.12);
  color: var(--accent-dark);
}


.episode-detail-list span span {
  color: var(--ink);
  font-weight: 500;
}

.sidecard h2 + .episode-detail-list {
  margin-top: 24px;
}

.viewer-card {
  display: grid;
  gap: 18px;
}

.slider-shell {
  display: grid;
  gap: 10px;
}

.slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
}

.slider-shell input[type="range"] {
  width: 100%;
}

.video-shell {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(16, 33, 45, 0.88), rgba(16, 33, 45, 0.72));
  aspect-ratio: 12 / 5;
}

.video-shell video,
.video-empty {
  width: 100%;
  height: 100%;
}

.video-shell video {
  display: block;
  object-fit: contain;
  background: rgba(16, 33, 45, 0.95);
}

.video-empty {
  display: grid;
  place-items: center;
  color: white;
  text-align: center;
  padding: 36px;
}

.sidecard p {
  margin-top: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.auth-grid.single {
  grid-template-columns: minmax(0, 720px);
  justify-content: center;
}

.auth-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(16, 33, 45, 0.08);
  box-shadow: var(--shadow);
}

.auth-card.wide {
  width: 100%;
}

.auth-card h1,
.auth-card h2 {
  margin: 12px 0 20px;
  font-family: "Fraunces", Georgia, serif;
}

.construction-note {
  display: inline-flex;
  margin: -8px 0 22px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(176, 109, 25, 0.1);
  color: var(--warning);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.auth-footnote {
  margin-top: 12px;
  color: var(--ink-soft);
}

.registration-email {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: baseline;
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid rgba(217, 98, 59, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(217, 98, 59, 0.06);
}

.registration-email a {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.mini-list-item {
  display: grid;
  gap: 6px;
}

.mini-list-item strong {
  font-family: "Fraunces", Georgia, serif;
}

.site-footer {
  margin-top: 36px;
  padding: 40px 0 22px;
  border-top: 1px solid rgba(16, 33, 45, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-grid a,
.footer-muted {
  display: block;
  margin-top: 10px;
  color: var(--ink-soft);
}

.footer-heading {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.2rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  margin-top: 24px;
  border-top: 1px solid rgba(16, 33, 45, 0.08);
  color: var(--ink-soft);
}

@media (max-width: 1040px) {
  .hero-grid,
  .split-grid,
  .platform-grid,
  .result-layout,
  .auth-grid,
  .top-grid,
  .three-up,
  .four-up,
  .stat-grid,
  .footer-grid,
  .form-columns {
    grid-template-columns: 1fr;
  }

  .platform-card {
    grid-template-columns: 1fr;
  }

  .home-hero-grid,
  .resource-panel {
    grid-template-columns: 1fr;
  }

  .home-hero-figure {
    max-width: none;
    margin-top: 0;
  }

  .competition-timeline {
    grid-template-columns: 1fr;
    gap: 0;
    margin-left: 6px;
  }

  .competition-timeline li {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 20px;
    padding: 0 0 28px 28px;
    border-top: 0;
    border-left: 2px solid var(--powder-strong);
  }

  .competition-timeline li::before {
    top: 4px;
    left: -7px;
  }

  .competition-timeline time {
    min-height: 0;
  }

  .data-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .header-row {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 8px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .field-span-2 {
    grid-column: auto;
  }

  .output-matrix {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .home-hero {
    padding-top: 48px;
  }

  .home-hero-figure figcaption {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .stage-grid,
  .compact-task-grid,
  .metric-strip,
  .resource-links {
    grid-template-columns: 1fr;
  }

  .stage-arrow {
    transform: rotate(90deg);
  }

  .competition-timeline li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .metric-strip span + span {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .home-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .data-panel-header {
    display: grid;
  }

  .data-count {
    text-align: left;
  }

  .data-facts {
    grid-template-columns: 1fr;
  }

  .data-facts span + span {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

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

  .leaderboard-summary small {
    width: 100%;
    margin: 4px 0 0;
  }
}