/* Lexa 說明書頁（docs.html）。沿用 site.css 的色票；不使用 inline style。 */
.docs { --toc-w: 280px; --nav-h: 64px; --tip: #5fd3a1; --note: #8fb6ff; --warn: #ffb35c; }
.docs .skip { position: absolute; left: -9999px; top: 8px; z-index: 50; padding: 8px 12px; border-radius: 8px; background: var(--accent); color: #fff; }
.docs .skip:focus { left: 12px; }

.docs-nav { position: sticky; top: 0; background: rgba(12, 7, 18, 0.9); border-bottom-color: var(--line); backdrop-filter: blur(16px); gap: 18px; }
.docs-tag { font-style: normal; color: var(--muted); font-size: 12px; padding-left: 8px; border-left: 1px solid var(--line); margin-left: 4px; }
.drawer-btn { display: none; width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 10px; background: transparent; color: var(--fg); font-size: 18px; cursor: pointer; }
.search-trigger { display: inline-flex; align-items: center; gap: 8px; min-width: 240px; height: 34px; padding: 0 10px 0 14px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, 0.03); color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; }
.search-trigger span { margin-right: auto; }
.search-trigger:hover { border-color: rgba(210, 160, 255, 0.55); color: var(--fg); }
.docs kbd { display: inline-block; min-width: 20px; padding: 1px 6px; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; background: #1b1126; color: var(--fg); font: 11px/1.5 Consolas, "Cascadia Mono", monospace; text-align: center; }

.docs-shell { position: relative; z-index: 1; display: grid; grid-template-columns: var(--toc-w) minmax(0, 1fr); gap: 40px; width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
.doc-toc { position: sticky; top: calc(var(--nav-h) + 12px); align-self: start; max-height: calc(100vh - var(--nav-h) - 24px); overflow: auto; padding: 18px 8px 28px 0; scrollbar-width: thin; scrollbar-color: #3a2550 transparent; }
.toc-title { margin: 0 0 10px; color: #d7a6ff; font-size: 12px; letter-spacing: 0.16em; }
.toc-list, .toc-list ul { list-style: none; margin: 0; padding: 0; }
.toc-list > li { margin: 2px 0; }
.toc-list a { display: block; padding: 6px 10px; border-left: 2px solid transparent; border-radius: 0 8px 8px 0; color: var(--muted); font-size: 14px; line-height: 1.4; }
.toc-list a b { display: inline-block; width: 26px; color: #8d6aa8; font-weight: 500; font-size: 12px; }
.toc-list ul { display: none; margin: 2px 0 6px 26px; }
.toc-list li.open > ul { display: block; }
.toc-list ul a { padding: 4px 10px; font-size: 13px; }
.toc-list a:hover { color: var(--fg); background: rgba(176, 38, 255, 0.08); }
.toc-list a.active { color: #fff; border-left-color: var(--accent); background: rgba(176, 38, 255, 0.14); }

.doc-main { min-width: 0; padding: 36px 0 80px; outline: none; }
.doc-hero { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.doc-hero .eyebrow { margin: 0 0 10px; color: #d7a6ff; font-size: 12px; letter-spacing: 0.2em; }
.doc-hero h1 { max-width: none; font-size: clamp(36px, 4.4vw, 56px); }
.doc-meta { margin-top: 18px; }
.doc-meta blockquote { margin: 0; padding: 0; border: 0; }
.doc-meta p { margin: 4px 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.doc-hint { margin: 14px 0 0; color: var(--muted); font-size: 13px; }

.doc-article { max-width: 860px; }
.doc-section { padding: 44px 0 8px; border-bottom: 1px solid var(--line); }
.doc-article h2, .doc-article h3, .doc-article h4 { position: relative; scroll-margin-top: calc(var(--nav-h) + 16px); }
.doc-article h2 { display: flex; align-items: baseline; gap: 14px; margin: 0 0 20px; font-size: clamp(26px, 2.6vw, 34px); }
.sec-num { color: #d7a6ff; font-size: 0.55em; letter-spacing: 0.08em; }
.doc-article h3 { margin: 34px 0 12px; font-size: 21px; font-weight: 540; letter-spacing: -0.02em; }
.doc-article h4 { margin: 24px 0 8px; font-size: 17px; font-weight: 560; }
.anchor { margin-left: 10px; color: #6f5487; font-size: 0.7em; opacity: 0; transition: opacity 0.15s; }
h2:hover .anchor, h3:hover .anchor, h4:hover .anchor, .anchor:focus { opacity: 1; }
.anchor:hover { color: #e3b7ff; }
.doc-article p, .doc-article li { color: #d9cde6; font-size: 16px; line-height: 1.8; }
.doc-article p { margin: 0 0 14px; }
.doc-article ul, .doc-article ol { margin: 0 0 16px; padding-left: 1.4em; }
.doc-article li { margin: 0 0 6px; }
.doc-article li ul { margin: 6px 0 0; }
.doc-article strong { color: #fff; font-weight: 600; }
.doc-article a:not(.anchor):not(.pn) { color: #e3b7ff; text-decoration: underline; text-decoration-color: rgba(227, 183, 255, 0.35); text-underline-offset: 3px; }
.doc-article a:not(.anchor):not(.pn):hover { text-decoration-color: currentColor; }
.doc-article code, .doc-foot code { padding: 1px 6px; border-radius: 6px; background: rgba(176, 38, 255, 0.12); color: #f3e6ff; font-family: Consolas, "Cascadia Mono", monospace; font-size: 0.88em; word-break: break-word; }
.doc-article hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
.doc-article blockquote { margin: 0 0 16px; padding: 4px 0 4px 16px; border-left: 3px solid var(--line); }

pre.code { position: relative; margin: 0 0 18px; padding: 16px 18px; overflow: auto; border: 1px solid var(--line); border-radius: 12px; background: #0a0510; }
pre.code code { padding: 0; background: none; color: #efe4fb; font-size: 13.5px; line-height: 1.65; white-space: pre; word-break: normal; }
.copy-btn { position: absolute; top: 8px; right: 8px; height: 28px; padding: 0 10px; border: 1px solid var(--line); border-radius: 8px; background: #1b1126; color: var(--muted); font: inherit; font-size: 12px; cursor: pointer; opacity: 0.75; }
pre.code:hover .copy-btn, .copy-btn:focus { opacity: 1; }
.copy-btn.done { color: var(--tip); border-color: var(--tip); }

.table-wrap { margin: 0 0 18px; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.doc-article table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc-article th, .doc-article td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; line-height: 1.6; }
.doc-article th { background: #1a1024; color: var(--fg); font-weight: 560; white-space: nowrap; }
.doc-article td { color: #d9cde6; }
.doc-article tr:last-child td { border-bottom: 0; }
.doc-article tbody tr:hover td { background: rgba(176, 38, 255, 0.05); }

.callout { margin: 0 0 18px; padding: 14px 18px 4px; border: 1px solid var(--line); border-left: 4px solid var(--note); border-radius: 10px; background: rgba(143, 182, 255, 0.07); }
.callout-title { margin: 0 0 6px !important; font-size: 13px !important; font-weight: 600; letter-spacing: 0.06em; color: var(--note) !important; }
.callout-title::before { content: "ℹ "; }
.callout.tip { border-left-color: var(--tip); background: rgba(95, 211, 161, 0.07); }
.callout.tip .callout-title { color: var(--tip) !important; }
.callout.tip .callout-title::before { content: "✦ "; }
.callout.warning { border-left-color: var(--warn); background: rgba(255, 179, 92, 0.07); }
.callout.warning .callout-title { color: var(--warn) !important; }
.callout.warning .callout-title::before { content: "⚠ "; }

.prevnext { display: flex; justify-content: space-between; gap: 12px; margin: 30px 0 26px; }
.pn { display: flex; flex-direction: column; gap: 2px; max-width: 48%; padding: 12px 16px; border: 1px solid var(--line); border-radius: 12px; color: var(--fg); }
.pn small { color: var(--muted); font-size: 12px; }
.pn span { font-size: 15px; }
.pn.next { margin-left: auto; text-align: right; }
.pn:hover { border-color: rgba(210, 160, 255, 0.55); background: rgba(176, 38, 255, 0.06); }
.doc-foot { margin-top: 40px; color: var(--muted); font-size: 13px; }

.flash { animation: flash 1.6s ease-out; }
@keyframes flash { 0% { background: rgba(176, 38, 255, 0.28); } 100% { background: transparent; } }
mark { padding: 0 2px; border-radius: 3px; background: rgba(255, 196, 92, 0.32); color: #fff; }

.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 6; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: #1b1126; color: var(--fg); font-size: 18px; cursor: pointer; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.to-top:hover { border-color: var(--accent); }
.toast { position: fixed; left: 50%; bottom: 26px; z-index: 60; transform: translate(-50%, 20px); padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: #1b1126; color: var(--fg); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.search-dialog { width: min(720px, calc(100% - 24px)); max-height: min(78vh, 720px); margin: 9vh auto auto; padding: 0; border: 1px solid var(--line); border-radius: 16px; background: #140b1d; color: var(--fg); box-shadow: 0 30px 90px rgba(0, 0, 0, 0.6); overflow: hidden; }
.search-dialog[open] { display: flex; flex-direction: column; }
.search-dialog::backdrop { background: rgba(6, 3, 10, 0.66); backdrop-filter: blur(4px); }
.search-box { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 18px; }
.search-box input { flex: 1; min-width: 0; border: 0; outline: none; background: transparent; color: var(--fg); font: inherit; font-size: 17px; }
.search-close { height: 26px; padding: 0 8px; border: 1px solid var(--line); border-radius: 6px; background: transparent; color: var(--muted); font-size: 12px; cursor: pointer; }
.search-recent { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.search-recent button { height: 26px; padding: 0 10px; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--fg); font: inherit; font-size: 12px; cursor: pointer; }
.search-recent button:hover { border-color: var(--accent); }
.search-recent .clear { margin-left: auto; color: var(--muted); }
.search-results { flex: 1; margin: 0; padding: 6px; overflow: auto; list-style: none; }
.search-results li a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--fg); }
.search-results li a small { display: block; color: #a98bc4; font-size: 12px; }
.search-results li a strong { display: block; margin: 2px 0; font-size: 15px; font-weight: 560; }
.search-results li a span { display: block; color: var(--muted); font-size: 13px; line-height: 1.55; }
.search-results li.sel a, .search-results li a:hover { background: rgba(176, 38, 255, 0.16); }
.search-results .empty { padding: 22px 12px; color: var(--muted); text-align: center; font-size: 14px; }
.search-foot { margin: 0; padding: 9px 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.search-foot kbd { margin: 0 2px; }

@media (max-width: 980px) {
  .docs-shell { grid-template-columns: minmax(0, 1fr); width: calc(100% - 32px); }
  .drawer-btn { display: inline-grid; place-items: center; }
  .doc-toc { position: fixed; top: 0; left: 0; bottom: 0; z-index: 30; width: min(320px, 86vw); max-height: none; padding: 20px 14px 40px; background: #120a18; border-right: 1px solid var(--line); transform: translateX(-102%); transition: transform 0.22s ease; }
  .docs.drawer-open .doc-toc { transform: none; box-shadow: 20px 0 60px rgba(0, 0, 0, 0.5); }
  .drawer-scrim { position: fixed; inset: 0; z-index: 25; background: rgba(6, 3, 10, 0.6); }
  .search-trigger { min-width: 0; }
  .search-trigger span, .search-trigger kbd { display: none; }
  .search-trigger::before { content: "⌕"; font-size: 16px; }
}
@media (max-width: 760px) {
  .docs-nav { padding: 8px 14px; }
  .docs-nav .pill { display: none; }
  .doc-article p, .doc-article li { font-size: 15px; }
  .prevnext { flex-direction: column; }
  .pn { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  .doc-toc, .toast, .flash { transition: none; animation: none; }
}
@media print {
  :root { --bg: #fff; --fg: #111; --muted: #444; --line: #ccc; }
  html, body { background: #fff !important; color: #111; }
  .docs-nav, .doc-toc, .drawer-scrim, .to-top, .search-dialog, .toast, .prevnext, .anchor, .copy-btn, .doc-hint, .skip, .bloom { display: none !important; }
  .docs-shell { display: block; width: auto; }
  .doc-main { padding: 0; }
  .doc-article { max-width: none; }
  .doc-article p, .doc-article li, .doc-article td, .doc-meta p { color: #111; }
  .doc-article strong, .doc-article th { color: #000; }
  .doc-article th { background: #eee; }
  .doc-article code, pre.code, pre.code code { background: #f4f4f4; color: #111; }
  pre.code { white-space: pre-wrap; border-color: #ccc; }
  pre.code code { white-space: pre-wrap; }
  .doc-article a { color: #111 !important; }
  .doc-article a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; color: #555; }
  .callout { background: #f7f7f7; break-inside: avoid; }
  .doc-section { break-inside: auto; border-color: #ccc; }
  h2, h3 { break-after: avoid; color: #000; }
  .sec-num { color: #666; }
  table, pre { break-inside: avoid; }
}
.copy-scratch { position: fixed; top: 0; left: 0; width: 1px; height: 1px; opacity: 0; }