/* ============================================================
   Doc Template — 复刻「深色侧边栏 + 浅色正文」的 API 文档版式
   仅保留版式与设计语言，内容可自由替换
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg2: #f6f7fb;
  --bg3: #fafbff;
  --ink: #111726;
  --muted: #5f6b85;
  --rule: #e3e7f0;
  --accent: #1f4bd8;
  --accent-soft: #eef2ff;
  --accent2: #a8741a;
  --accent2-soft: #fdf7ec;
  --navy: #0d1730;
  --navy2: #16224a;
  --navy-ink: #c7d2ea;
  --navy-muted: #8494b8;
  --code-bg: #0f1729;
  --code-ink: #d9e2f8;
  --danger: #c0392b;
  --ok: #1f8a4c;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI",
    system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  --sidebar-w: 276px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.78;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); }

/* ---------------- Layout ---------------- */
.layout { display: flex; min-height: 100vh; align-items: flex-start; }

/* ---------------- Sidebar ---------------- */
.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  position: sticky;
  top: 0;
  height: 100vh;
  background:
    radial-gradient(120% 60% at 12% 0%, rgba(31, 75, 216, 0.28) 0%, transparent 55%),
    radial-gradient(90% 50% at 100% 8%, rgba(200, 150, 62, 0.18) 0%, transparent 60%),
    linear-gradient(180deg, var(--navy) 0%, #0a1124 100%);
  color: var(--navy-ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid #0a1124;
  z-index: 40;
}

.brand {
  padding: 1.5rem 1.35rem 1.1rem;
  display: flex;
  gap: 0.7rem;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.brand .mark { width: 34px; height: 34px; flex: 0 0 34px; }
.brand .n1 { font-size: 17px; font-weight: 700; letter-spacing: 0.06em; color: #fff; line-height: 1.2; }
.brand .n2 { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em; color: var(--navy-muted); text-transform: uppercase; }

.sb-search { padding: 0.9rem 1.1rem 0.5rem; }
.sb-search input {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 9px;
  padding: 0.5rem 0.7rem 0.5rem 2rem;
  color: #fff;
  font-size: 13px;
  font-family: var(--font-sans);
  outline: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238494b8' stroke-width='2.2'><circle cx='11' cy='11' r='7'/><path d='M20 20l-3.5-3.5'/></svg>");
  background-repeat: no-repeat;
  background-position: 0.6rem center;
}
.sb-search input::placeholder { color: #6c7b9c; }
.sb-search input:focus { border-color: rgba(200, 150, 62, 0.6); background-color: rgba(255, 255, 255, 0.09); }

.sb-nav { overflow-y: auto; padding: 0.5rem 0.75rem 2rem; flex: 1; }
.sb-nav::-webkit-scrollbar { width: 6px; }
.sb-nav::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.14); border-radius: 3px; }

.sb-group {
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--navy-muted);
  text-transform: uppercase;
  padding: 1rem 0.6rem 0.35rem;
  font-weight: 700;
}
.sb-nav a {
  display: block;
  padding: 0.42rem 0.6rem 0.42rem 0.75rem;
  border-radius: 7px;
  font-size: 13.5px;
  color: var(--navy-ink);
  border-left: 2px solid transparent;
  transition: 0.15s;
  position: relative;
}
.sb-nav a:hover { background: rgba(255, 255, 255, 0.06); text-decoration: none; color: #fff; }
.sb-nav a .tno { font-family: var(--font-mono); font-size: 11px; color: var(--navy-muted); margin-right: 0.45rem; }
.sb-nav a.active {
  background: linear-gradient(90deg, rgba(31, 75, 216, 0.35), rgba(31, 75, 216, 0.05));
  border-left-color: var(--accent2);
  color: #fff;
}
.sb-nav a.active .tno { color: var(--accent2); }
.sb-nav a.hid { display: none; }
.sb-nav a.sub { font-size: 12.8px; padding-left: 1.5rem; color: #aebbd6; }
.sb-nav a.sub .tno { font-size: 10.5px; }
.sb-nav a.sub.active { color: #fff; }
.sb-empty { display: none; padding: 1rem 0.6rem; font-size: 12.5px; color: var(--navy-muted); text-align: center; }

/* 「待确认」标记 */
.todo {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--accent2);
  background: var(--accent2-soft);
  border: 1px solid #f0dcb8;
  border-radius: 999px;
  padding: 0 0.45rem;
  vertical-align: middle;
}

.sb-foot {
  padding: 0.9rem 1.1rem 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--navy-muted);
  letter-spacing: 0.05em;
}

/* ---------------- Main ---------------- */
.main { flex: 1; min-width: 0; }
.content { max-width: 1000px; margin: 0 auto; padding: 3rem 3.5rem 7rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0;
}
.crumb { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }
.menu-btn {
  display: none;
  border: 1px solid var(--rule);
  background: var(--bg3);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
  color: var(--ink);
}

.doc-head { margin: 1.4rem 0 2.5rem; padding-bottom: 1.6rem; border-bottom: 1px solid var(--rule); }
.doc-head h1 { font-size: 30px; line-height: 1.3; margin: 0 0 0.5rem; letter-spacing: -0.01em; }
.doc-head .sub { color: var(--muted); font-size: 14px; }
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }
.badge {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: var(--bg2);
  color: var(--muted);
}
.badge.ver { border-color: #f0dcb8; background: var(--accent2-soft); color: var(--accent2); }
.badge.draft { border-color: #f3c9c4; background: #fdf1ef; color: var(--danger); }

/* Section & headings */
.sec { padding-top: 0.6rem; scroll-margin-top: 1.2rem; }
.sec > h2 {
  font-size: 23px;
  margin: 2.6rem 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
  letter-spacing: -0.01em;
}
.sec > h2 .no { font-family: var(--font-mono); color: var(--accent); margin-right: 0.5rem; }
.sec h3 { font-size: 17px; margin: 1.9rem 0 0.7rem; }
.sec h3 .no { font-family: var(--font-mono); color: var(--accent2); margin-right: 0.45rem; }
.sec p { color: #2b3446; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-top: 2.4rem;
}

/* Path row */
.path-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.4rem 0 1rem;
  padding: 0.55rem 0.75rem;
  background: var(--bg3);
  border: 1px solid var(--rule);
  border-radius: 9px;
}
.method {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--accent);
  border-radius: 5px;
  padding: 0.15rem 0.45rem;
}
.method.get { background: #1f8a4c; }
.method.post { background: var(--accent); }
.method.put { background: #b7791f; }
.method.del { background: var(--danger); }
.path-row code { font-size: 13px; color: var(--ink); }
.path-row .spacer { flex: 1; }

.copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: var(--bg2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  cursor: pointer;
}
.copy-btn:hover { color: var(--accent); border-color: #c9d3ee; }
.copy-btn.done { color: var(--ok); border-color: #bfe3cd; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0.8rem 0 1.2rem; }
table.param {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 8px;
  overflow: hidden;
}
table.param th {
  text-align: left;
  background: var(--bg2);
  color: #38445c;
  font-weight: 600;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--rule);
  white-space: nowrap;
}
table.param td { padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.param tr:last-child td { border-bottom: 0; }
table.param td code { font-size: 12.5px; background: var(--accent-soft); color: #1a3aa8; padding: 0.05rem 0.35rem; border-radius: 4px; }
.req { font-family: var(--font-mono); font-size: 11px; }
.req.y { color: var(--danger); }
.req.n { color: var(--muted); }

/* Code block */
.codeblock { margin: 0.7rem 0 1.3rem; border-radius: 10px; overflow: hidden; border: 1px solid #16213b; }
.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  background: #16213b;
  color: #9fb0d0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.code-head .copy-btn { background: transparent; border-color: #2a3a5c; color: #9fb0d0; }
.code-head .copy-btn:hover { color: #fff; border-color: #4b6191; }
.codeblock pre { margin: 0; background: var(--code-bg); color: var(--code-ink); padding: 0.9rem 1rem; overflow-x: auto; font-size: 12.8px; line-height: 1.7; }
.codeblock pre code { font-family: var(--font-mono); }
.tok-key { color: #7fb3ff; }
.tok-str { color: #9fe0a8; }
.tok-num { color: #f0b37e; }
.tok-bool { color: #e08fc9; }

/* Notes */
.note {
  display: flex;
  gap: 0.6rem;
  padding: 0.8rem 0.95rem;
  border-radius: 9px;
  font-size: 13.5px;
  margin: 1rem 0;
  border: 1px solid var(--rule);
  background: var(--bg3);
}
.note .ico { flex: 0 0 auto; font-weight: 700; }
.note.tip { border-color: #cfe0ff; background: var(--accent-soft); }
.note.tip .ico { color: var(--accent); }
.note.warn { border-color: #f3dfb8; background: var(--accent2-soft); }
.note.warn .ico { color: var(--accent2); }
.note.danger { border-color: #f3c9c4; background: #fdf1ef; }
.note.danger .ico { color: var(--danger); }

/* Flow */
.flow { background: var(--bg3); border: 1px dashed var(--rule); border-radius: 10px; padding: 1.1rem; margin: 1rem 0; text-align: center; overflow-x: auto; }
.flow .mermaid { display: inline-block; min-width: 320px; }

/* Footer */
.doc-foot { margin-top: 4rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: 12.5px; font-family: var(--font-mono); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* Backdrop for mobile */
.backdrop { display: none; position: fixed; inset: 0; background: rgba(6, 12, 26, 0.55); z-index: 35; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1040px) {
  .content { padding: 2rem 2rem 6rem; }
}
@media (max-width: 860px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); transition: transform 0.22s ease; }
  .sidebar.open { transform: translateX(0); }
  .backdrop.show { display: block; }
  .menu-btn { display: inline-flex; }
  .content { padding: 1.2rem 1.1rem 5rem; }
  .doc-head h1 { font-size: 24px; }
}