/* GridPerch 内置使用教程：浅色主题，与控制台保持一致的视觉。 */

:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --border: #e4e8f0;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-soft: #eff4ff;
  --ok: #16a34a;
  --warn: #f59e0b;
  --danger: #dc2626;
  --code-bg: #0f1c2e;
  --code-text: #d7e6f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.7 "Segoe UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

.docs { display: flex; min-height: 100vh; }

/* ---- 左侧目录 ---- */

.docs-nav {
  width: 236px; flex: none; background: #fff; border-right: 1px solid var(--border);
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  padding: 18px 14px 28px;
}
.docs-nav h2 {
  margin: 0 0 4px; font-size: 16px; font-weight: 700;
  display: flex; align-items: center; gap: 8px;
}
.docs-nav .ver { font-size: 12px; color: var(--muted); margin-bottom: 14px; display: block; }
.docs-nav a {
  display: block; padding: 7px 10px; margin-bottom: 2px; border-radius: 7px;
  color: var(--text); font-size: 13px; text-decoration: none;
}
.docs-nav a:hover { background: var(--primary-soft); color: var(--primary); }
.docs-nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.docs-nav .grp {
  font-size: 11px; color: var(--muted); font-weight: 600;
  margin: 14px 0 5px; padding-left: 10px; letter-spacing: .5px;
}

/* ---- 右侧内容 ---- */

.docs-main { flex: 1; min-width: 0; padding: 26px 34px 80px; max-width: 1180px; }

.docs-head { margin-bottom: 22px; }
.docs-head h1 { margin: 0 0 6px; font-size: 26px; font-weight: 700; }
.docs-head p { margin: 0; color: var(--muted); font-size: 14px; }

.banner {
  background: linear-gradient(120deg, #eff6ff, #eef2ff);
  border: 1px solid #dbe6ff; border-radius: 12px;
  padding: 16px 18px; margin-bottom: 24px;
}
.banner h3 { margin: 0 0 6px; font-size: 15px; }
.banner p { margin: 0; color: #475569; font-size: 13.5px; }
.banner a { color: var(--primary); font-weight: 600; }

section { margin-bottom: 38px; scroll-margin-top: 20px; }
section > h2 {
  font-size: 19px; font-weight: 700; margin: 0 0 4px;
  padding-bottom: 10px; border-bottom: 2px solid var(--border);
  display: flex; align-items: center; gap: 9px;
}
section > h2::before {
  content: ""; width: 4px; height: 18px; border-radius: 2px; background: var(--primary);
}
section h3 { font-size: 15.5px; font-weight: 600; margin: 22px 0 8px; }
section h4 { font-size: 14px; font-weight: 600; margin: 18px 0 6px; color: var(--text); }
section p { margin: 8px 0; color: #374151; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 18px 20px; margin: 14px 0;
}

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 14px; }

table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 13.5px; }
th, td { padding: 9px 11px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: #f8fafc; font-weight: 600; color: #334155; white-space: nowrap; }
tbody tr:hover { background: #fafbfd; }
td code, p code, li code { background: #eef2f7; padding: 1px 6px; border-radius: 4px; font-size: 12.5px; color: #b91c1c; }

pre {
  background: var(--code-bg); color: var(--code-text);
  padding: 14px 16px; border-radius: 10px; overflow-x: auto;
  font: 12.5px/1.7 "Cascadia Code", Consolas, "Courier New", monospace;
  margin: 10px 0;
}
pre code { background: none; color: inherit; padding: 0; }

.tag {
  display: inline-block; padding: 1px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 600; white-space: nowrap;
}
.tag.req { background: #fee2e2; color: #b91c1c; }
.tag.opt { background: #e0e7ff; color: #4338ca; }
.tag.ok { background: #dcfce7; color: #15803d; }
.tag.warn { background: #fef3c7; color: #b45309; }

ul, ol { margin: 8px 0; padding-left: 22px; color: #374151; }
li { margin: 4px 0; }

.callout {
  border-left: 4px solid var(--primary); background: var(--primary-soft);
  padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 12px 0; font-size: 13.5px;
}
.callout.warn { border-left-color: var(--warn); background: #fffbeb; }
.callout.danger { border-left-color: var(--danger); background: #fef2f2; }
.callout.ok { border-left-color: var(--ok); background: #f0fdf4; }
.callout b { display: block; margin-bottom: 3px; }

.steps { counter-reset: step; list-style: none; padding-left: 0; }
.steps > li {
  counter-increment: step; position: relative; padding-left: 38px; margin-bottom: 14px;
}
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700;
}

footer.docs-foot {
  margin-top: 50px; padding-top: 18px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 12.5px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

@media (max-width: 900px) {
  .docs-nav { display: none; }
  .docs-main { padding: 20px 16px 60px; }
}