/*
 * Shared shell extensions for pages that keep their own content system.
 * The header, footer, colours, typography, and responsive behaviour come from
 * demo.css; this layer only adapts the legacy report variables and gives the
 * 404 / report-specific content a quiet home in that system.
 */

html[data-lang="en"] .report-page .lang-zh,
html[data-lang="zh"] .report-page .lang-en,
html[data-lang="en"] .not-found-page .lang-zh,
html[data-lang="zh"] .not-found-page .lang-en {
  display: none !important;
}

.report-page {
  --bg: var(--page);
  --bg-alt: var(--panel);
  --bg-card: var(--surface);
  --text: var(--ink);
  --text-muted: var(--muted);
  --text-heading: var(--ink);
  --accent: var(--blue);
  --accent-dark: var(--blue);
  --accent-dim: var(--blue-soft);
  --border: var(--line);
  --shadow-sm: 0 1px 3px rgba(25, 32, 41, 0.06);
  --shadow-lg: 0 18px 42px rgba(25, 32, 41, 0.1);
  background: var(--page);
}

.report-page .brand > span {
  color: inherit;
}

.report-page .brand .brand-dot {
  color: var(--blue);
}

.report-page .report-main {
  min-height: 60vh;
}

.report-page .report-note {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px 76px;
  color: var(--muted);
  text-align: center;
}

.report-page .report-note > p:first-child {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
}

.report-page .report-note > p:first-child a {
  color: var(--blue);
  font-weight: 600;
}

.report-page .report-note .disclaimer {
  max-width: 720px;
  margin: 14px auto 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
}

.not-found-page {
  min-width: 320px;
}

.not-found-main {
  min-height: calc(100vh - 190px);
  display: grid;
  place-items: center;
  padding: 84px 40px 120px;
}

.not-found-card {
  width: min(100%, 620px);
  padding: 58px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 22px 50px rgba(25, 32, 41, 0.08);
  text-align: center;
}

.not-found-code {
  color: var(--blue);
  font-size: clamp(92px, 15vw, 176px);
  font-weight: 600;
  letter-spacing: -0.1em;
  line-height: 0.82;
}

.not-found-card h1 {
  margin-top: 30px;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.06em;
  line-height: 1;
}

.not-found-card p {
  max-width: 420px;
  margin: 20px auto 32px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.not-found-card .button {
  background: var(--ink);
  color: var(--page);
}

.not-found-card .button:hover {
  background: var(--blue);
}

@media (max-width: 767px) {
  .report-page .report-note {
    padding: 0 22px 60px;
  }

  .not-found-main {
    min-height: calc(100vh - 160px);
    padding: 60px 22px 92px;
  }

  .not-found-card {
    padding: 44px 24px;
    border-radius: 18px;
  }

  .not-found-card p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .report-page *,
  .not-found-page * {
    transition: none !important;
  }
}