/* TradeAcademy legal site — tokens aligned with shared/constants/theme.ts */

:root {
  color-scheme: dark;
  --bg: #151922;
  --bg-secondary: #1b202b;
  --bg-tertiary: #232936;
  --bg-elevated: #2a3140;
  --surface: rgba(255, 255, 255, 0.05);
  --surface-hover: rgba(255, 255, 255, 0.075);
  --glass: rgba(30, 36, 48, 0.92);
  --accent: #2dd4bf;
  --accent-light: #5eead4;
  --accent-dark: #14b8a6;
  --accent-muted: rgba(45, 212, 191, 0.14);
  --warning: #fbbf24;
  --warning-muted: rgba(251, 191, 36, 0.14);
  --warning-fg: #151922;
  --focus: #5eead4;
  --border: rgba(148, 163, 184, 0.16);
  --border-strong: rgba(148, 163, 184, 0.28);
  --border-accent: rgba(45, 212, 191, 0.28);
  --text: #f8fafc;
  --text-secondary: #c5ced9;
  --text-tertiary: #9aa8b8;
  --text-on-accent: #06201d;
  --shadow: 0 8px 28px rgba(11, 15, 22, 0.35);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --content: 44rem;
  --page: 72rem;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f8f9fb;
    --bg-secondary: #f1f3f7;
    --bg-tertiary: #e8ecf2;
    --bg-elevated: #ffffff;
    --surface: rgba(15, 23, 42, 0.028);
    --surface-hover: rgba(15, 23, 42, 0.045);
    --glass: rgba(255, 255, 255, 0.97);
    --accent: #0f766e;
    --accent-light: #0d9488;
    --accent-dark: #115e59;
    --accent-muted: rgba(15, 118, 110, 0.1);
    --warning: #b45309;
    --warning-muted: rgba(217, 119, 6, 0.14);
    --warning-fg: #0f172a;
    --focus: #0d9488;
    --border: rgba(15, 23, 42, 0.08);
    --border-strong: rgba(15, 23, 42, 0.14);
    --border-accent: rgba(15, 118, 110, 0.22);
    --text: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #475569;
    --text-on-accent: #ffffff;
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 480px at 8% -10%, rgba(45, 212, 191, 0.08), transparent 55%),
    radial-gradient(900px 400px at 100% 0%, rgba(96, 165, 250, 0.06), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-light);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

a:focus-visible,
.nav-link:focus-visible,
.card:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--text-on-accent);
  font-weight: 600;
}

.skip:focus {
  top: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(16px);
}

.header-inner,
.footer-inner,
.wrap {
  width: min(var(--page), calc(100% - 2rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  min-height: 4.25rem;
  padding: 0.75rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  min-height: 44px;
}

.brand:hover {
  color: inherit;
}

.mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--accent-muted);
  color: var(--accent);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
}

.brand-name {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-sub {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.3;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav-link:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.nav-link[aria-current="page"] {
  background: var(--accent-muted);
  color: var(--accent-light);
}

main {
  padding: 2rem 0 4rem;
}

.wrap.narrow {
  width: min(var(--content), calc(100% - 2rem));
}

.notice {
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid color-mix(in srgb, var(--warning) 45%, var(--border));
  border-radius: var(--radius-lg);
  background: var(--warning-muted);
  color: var(--text);
}

.notice strong {
  color: var(--warning);
}

.hero h1,
.legal h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.hero .lede {
  max-width: 38rem;
  margin: 0 0 1.25rem;
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.accent {
  color: var(--accent-light);
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  background: var(--accent-muted);
  color: var(--accent-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.pill.quiet {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  font-weight: 600;
}

.principles,
.cards {
  display: grid;
  gap: 0.85rem;
}

.principles {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin: 0 0 2rem;
}

.cards {
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
}

.card,
.principle {
  display: block;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
}

.card:hover {
  border-color: var(--border-accent);
  background: color-mix(in srgb, var(--bg-elevated) 88%, var(--accent-muted));
}

.section-title {
  margin: 0 0 0.9rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.principle h2,
.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.principle p,
.card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
}

.legal h2,
.legal h3 {
  scroll-margin-top: 5.5rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.legal h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
}

.legal h3 {
  margin: 1.5rem 0 0.55rem;
  font-size: 1.1rem;
}

.legal p {
  margin: 0 0 1rem;
}

.legal ul,
.legal ol {
  margin: 0 0 1.1rem;
  padding-left: 1.2rem;
}

.legal li {
  margin: 0.35rem 0;
}

.legal li ul,
.legal li ol {
  margin: 0.45rem 0 0.2rem;
}

.legal li::marker {
  color: var(--accent);
}

hr {
  margin: 1.75rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

code {
  padding: 0.1em 0.35em;
  border-radius: 6px;
  background: var(--bg-tertiary);
  font-family: var(--mono);
  font-size: 0.9em;
  word-break: break-word;
}

.doc-meta {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

.meta-row {
  display: grid;
  grid-template-columns: minmax(8rem, 11.5rem) 1fr;
  gap: 0.65rem 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--border);
}

.meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.doc-meta dt {
  margin: 0;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.doc-meta dd {
  margin: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.table-wrap {
  margin: 0 0 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
}

table {
  width: 100%;
  min-width: 28rem;
  border-collapse: collapse;
  font-size: 0.98rem;
}

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

th {
  background: var(--bg-tertiary);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

tr:last-child td {
  border-bottom: 0;
}

tbody tr:nth-child(even) td {
  background: var(--surface);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-inner {
  padding: 1.5rem 0 2rem;
}

.site-footer p {
  margin: 0 0 0.4rem;
  max-width: 42rem;
}

.mute {
  color: var(--text-tertiary);
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
  }

  .meta-row {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  table {
    min-width: 0;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  table,
  tbody,
  tr,
  td {
    display: block;
    width: 100%;
  }

  tr {
    padding: 0.85rem 0.9rem;
    border-bottom: 1px solid var(--border);
  }

  tr:last-child {
    border-bottom: 0;
  }

  td {
    padding: 0.35rem 0 0.15rem;
    border: 0;
    background: transparent !important;
  }

  td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 0.15rem;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }
}

@media print {
  body {
    background: #fff;
    color: #111;
  }

  .site-header,
  .skip,
  .site-footer .mute {
    display: none;
  }

  a {
    color: inherit;
  }

  .card,
  .principle,
  .table-wrap,
  .doc-meta,
  .notice {
    box-shadow: none;
    break-inside: avoid;
  }
}