:root {
  color-scheme: dark;
  --bg: #09090B;
  --bg-soft: rgba(255, 255, 255, 0.06);
  --surface: #0A0A0A;
  --surface-strong: #0A0A0A;
  --text: #FAFAFA;
  --muted: #a1a1aa;
  --border: #27272a;
  --accent: #22c55e;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --font-display: "Atkinson Hyperlegible Next", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

[data-theme="light"] {
  color-scheme: light;
  --bg: #FFFFFF;
  --bg-soft: rgba(0, 0, 0, 0.04);
  --surface: #FFFFFF;
  --surface-strong: #FAFAFA;
  --text: #09090B;
  --muted: #71717A;
  --border: #E4E4E7;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, color-mix(in srgb, var(--accent) 30%, transparent), transparent 35%),
    radial-gradient(circle at 90% 10%, color-mix(in srgb, var(--text) 12%, transparent), transparent 25%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 86%, var(--surface)));
  min-height: 100vh;
}

a {
  color: inherit;
}

.shell {
  width: min(90rem, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 2rem 56px;
}

.nav,
.nav-links,
.hero-top,
.hero-bottom,
.source-tabs,
.form-row,
.dialog-actions,
.section-heading,
.leaderboard-title-row {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.leaderboard-author {
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav {
  margin: 24px 0 32px;
}

.nav-links {
  gap: 12px;
}

.hero,
.panel {
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 30%, transparent), color-mix(in srgb, var(--text) 4%, transparent));
  border-radius: 24px;
  padding: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5.6rem);
  line-height: 0.94;
  margin: 0;
  max-width: 11ch;
}

.tessl-logo {
  color: var(--text);
  height: 24px;
  width: auto;
}

.eyebrow {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
  font-size: 0.75rem;
  line-height: 1rem;
  margin-bottom: 8px;
}

.hero-copy {
  color: var(--text);
}

.panel-note,
.form-message,
.leaderboard-card p,
.detail-header p,
.detail-item p {
  color: var(--muted);
}

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

.account-label {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.inline-status {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.inline-status[data-state="error"] {
  color: #ff8b7d;
}

.inline-status[data-state="success"] {
  color: #87e4a8;
}

.hero-copy {
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.5rem;
}

.nav-url {
  font-size: 1.125rem;
  color: var(--text);
  margin-left: 16px;
}

.hero-qr {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  background: #fff;
  padding: 8px;
  flex-shrink: 0;
}

.pill,
.ghost-button,
.primary-button,
.source-tab {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  padding: 8px 16px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}

.primary-button {
  background: var(--accent);
  border-color: transparent;
  color: #111;
  font-weight: 700;
}

.ghost-button:disabled,
.primary-button:disabled,
.source-tab:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.source-tab[data-active="true"] {
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.layout {
  margin-top: 24px;
}

.panel {
  background: var(--surface);
  border-radius: 24px;
  padding: 24px;
}

.form-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 24px 0;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

[data-source-panel="github"] .field,
[data-source-panel="paste"] .field {
  margin-bottom: 16px;
}

[data-source-panel="github"] {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

[data-source-panel="paste"] {
  margin-top: 16px;
}

.form-row {
  margin: 4px 0 24px;
  justify-content: flex-start;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  padding: 12px 16px;
  font: inherit;
}

.field textarea {
  min-height: 220px;
  resize: vertical;
}

.field input:read-only {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-message[data-state="error"] {
  color: #ff8b7d;
}

.form-message[data-state="success"] {
  color: #87e4a8;
}

.leaderboard-stack {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.leaderboard-modes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.leaderboard-mode {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.leaderboard-mode[data-active="true"] {
  background: color-mix(in srgb, var(--accent) 22%, var(--bg-soft));
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.leaderboard-card {
  display: grid;
  grid-template-columns: 56px minmax(80px, 140px) 1fr auto;
  gap: 16px;
  align-items: center;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 16px;
}

.leaderboard-card[data-state="failed"] {
  border-color: rgba(255, 139, 125, 0.45);
}

.leaderboard-card[data-owner="true"] {
  border-color: color-mix(in srgb, var(--accent) 50%, transparent);
  background: color-mix(in srgb, var(--accent) 6%, var(--surface-strong));
}

.leaderboard-rank {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 700;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}

.leaderboard-main h3,
.detail-header h3 {
  margin: 0;
}

.leaderboard-main p,
.leaderboard-meta {
  margin: 0;
}

.leaderboard-meta {
  display: grid;
  gap: 8px;
  justify-items: end;
}

.leaderboard-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.icon-action {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
  padding: 0;
}

.icon-action i {
  font-size: 0.875rem;
}

.icon-action:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.status-chip {
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 0.75rem;
  line-height: 1rem;
  border: 1px solid var(--border);
}

.status-chip.scored {
  background: rgba(135, 228, 168, 0.14);
}

.status-chip.pending {
  background: rgba(255, 208, 102, 0.14);
}

.status-chip.failed {
  background: rgba(255, 139, 125, 0.14);
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.empty-state.compact {
  padding: 16px;
}

.site-footer {
  margin-top: 64px;
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.footer-heading {
  font-weight: 500;
  font-size: 16px;
  margin: 0 0 16px;
  color: var(--text);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-address {
  color: var(--text-subtle);
  font-size: 14px;
  margin: 0;
}

.rules-body {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.rules-body p {
  margin: 0 0 16px;
}

dialog {
  width: min(760px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow);
  padding: 0;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.dialog-shell {
  padding: 24px;
  position: relative;
}

.dialog-close-x {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 0;
  z-index: 1;
  transition: color 0.15s;
}

.dialog-close-x:hover {
  color: var(--text);
}

.dialog-shell h2 {
  margin-top: 0;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.review-header h3 {
  margin: 0 0 8px;
}

.review-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.review-score-badge {
  flex-shrink: 0;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.review-score-badge span {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted);
}

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

.review-section h4 {
  margin: 0 0 12px;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.review-checks-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.review-checks-table th,
.review-checks-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.review-checks-table th {
  color: var(--muted);
  font-weight: 500;
}

.review-checks-table td:last-child {
  text-align: center;
  width: 72px;
  font-size: 16px;
  color: var(--text-muted);
}

.review-dimension {
  padding: 16px;
  margin-bottom: 8px;
  background: var(--bg-soft);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.review-dimension h5 {
  margin: 0 0 8px;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.review-dim-score {
  color: var(--accent);
  font-weight: 400;
  margin-left: 4px;
}

.review-reasoning {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.review-cta ul {
  margin: 0;
  padding: 0 0 0 24px;
  line-height: 2;
}

.review-cta code {
  background: var(--bg-soft);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1rem;
}

.review-validation-details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0;
}

.review-validation-details summary {
  cursor: pointer;
  padding: 12px 16px;
  list-style: none;
}

.review-validation-details summary h4 {
  margin: 0;
  display: inline;
}

.review-validation-count {
  font-weight: 400;
  color: var(--muted);
  margin-left: 8px;
  font-size: 0.75rem;
  line-height: 1rem;
}

.review-validation-details[open] summary {
  border-bottom: 1px solid var(--border);
}

.review-validation-details .review-checks-table {
  margin: 0;
}

.review-export-actions {
  display: flex;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.inline-link {
  color: var(--accent);
  text-decoration: underline;
  overflow-wrap: anywhere;
}

.theme-toggle {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--text);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 1rem;
  padding: 0;
}

@media (max-width: 920px) {
  .leaderboard-card {
    grid-template-columns: 44px 1fr;
  }

  .leaderboard-author {
    display: none;
  }

  .leaderboard-meta {
    grid-column: 2;
    justify-items: start;
  }
}

@media (max-width: 640px) {
  .shell {
    width: 100vw;
    padding: 12px 16px 40px;
  }

  .nav {
    margin: 12px 0 16px;
  }

  .hero {
    padding: 16px;
  }

  .hero-qr {
    display: none;
  }

  .leaderboard-card {
    grid-template-columns: 40px 1fr;
    gap: 4px 12px;
  }

  .leaderboard-rank {
    grid-column: 1;
    grid-row: 1 / 4;
    align-self: start;
  }

  .leaderboard-author {
    display: block;
    grid-column: 2;
    grid-row: 1;
  }

  .leaderboard-main {
    grid-column: 2;
    grid-row: 2;
  }

  .leaderboard-main p {
    display: none;
  }

  .leaderboard-meta {
    grid-column: 2;
    grid-row: 3;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }
}