/* ========================================
   minivLLM 多模态推理 文档通用样式
   版本：Wave 2 / Task 13
   ======================================== */

/* ---- CSS Custom Properties ---- */
:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --fg: #1a1a1a;
  --border: #d0d0d0;
  --code-bg: #f4f4f4;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --warn: #d97706;
  --ok: #16a34a;
  --info: #0ea5e9;
  --subtle: #6b7280;
  --muted-bg: #f9f9f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117;
    --fg: #e5e7eb;
    --border: #333b4d;
    --code-bg: #1b2230;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --danger: #f87171;
    --warn: #fbbf24;
    --ok: #4ade80;
    --info: #38bdf8;
    --subtle: #9ca3af;
    --muted-bg: #151b26;
  }
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.7;
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  background: var(--bg);
  color: var(--fg);
}

/* ---- Typography ---- */
h1 {
  font-size: 1.8rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.4rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.2rem;
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 0.8rem;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

/* ---- Code ---- */
code, pre {
  font-family: "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;
  font-size: 0.88rem;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: var(--fg);
}

pre {
  background: var(--code-bg);
  padding: 0.9rem 1.1rem;
  overflow-x: auto;
  border-radius: 5px;
  line-height: 1.45;
  margin: 0.8rem 0;
}

pre code {
  background: none;
  padding: 0;
}

/* ---- Tables ---- */
table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.45rem 0.7rem;
  text-align: left;
  font-size: 0.92rem;
}

th {
  background: #f0f0f0;
  font-weight: 600;
  color: var(--fg);
}

/* ---- Status Badges ---- */
.status-ok   { color: var(--ok);     font-weight: 600; }
.status-warn { color: var(--warn);   font-weight: 600; }
.status-bad  { color: var(--danger); font-weight: 600; }
.status-info { color: var(--info);   font-weight: 600; }

.badge {
  display: inline-block;
  padding: 0.12em 0.6em;
  border-radius: 99px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-left: 0.3em;
}

.badge-blocker  { background: #fee2e2; color: var(--danger); }
.badge-dormant  { background: #fef3c7; color: var(--warn);   }
.badge-ok       { background: #dcfce7; color: var(--ok);     }
.badge-info     { background: #e0f2fe; color: var(--info);   }

/* ---- Cards ---- */
.summary-cards {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.2rem 0;
}

.card {
  flex: 1;
  min-width: 160px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
  background: #fff;
  color: var(--fg);
}

.card .num {
  font-size: 2.2rem;
  font-weight: 700;
}

.card .label {
  font-size: 0.85rem;
  color: #555;
  margin-top: 0.3rem;
}

/* ---- Navigation Lists ---- */
.nav-list {
  list-style: none;
  padding: 0;
}

.nav-list li {
  margin: 0.5rem 0;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.nav-list li:last-child {
  border-bottom: none;
}

.nav-list a {
  font-size: 1.05rem;
  font-weight: 500;
}

.nav-list .desc {
  display: block;
  font-size: 0.88rem;
  color: var(--subtle);
  margin-top: 0.15rem;
}

.nav-list .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--warn);
  margin-left: 0.5rem;
}

.nav-list .tag-exists {
  color: var(--ok);
}

.nav-list .tag-placeholder {
  color: var(--subtle);
}

/* ---- Footer ---- */
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: #888;
}

/* ---- Utility ---- */
.intro {
  font-size: 1.05rem;
  color: var(--subtle);
  margin-bottom: 1.5rem;
}

figcaption {
  color: var(--subtle) !important;
}

@media (prefers-color-scheme: dark) {
  th {
    background: #1f2937;
  }

  .badge-blocker {
    background: #3a1717;
  }

  .badge-dormant {
    background: #3a2a0d;
  }

  .badge-ok {
    background: #14311d;
  }

  .badge-info {
    background: #102b3a;
  }

  .card {
    background: #141a24;
  }

  footer {
    color: var(--subtle);
  }
}