:root {
  --bg: #0a0c0f;
  --panel: #11141a;
  --panel-2: #171b22;
  --line: #242b35;
  --line-2: #333c49;
  --text: #d8dee6;
  --dim: #78858f;
  --dim-2: #5a6570;
  --accent: #e08a1e;
  --accent-dim: #7a4b10;
  --ok: #3fb950;
  --danger: #f85149;
  --warn: #d29922;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-feature-settings: "tnum" 1;
}

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

h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 12px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 20px 0; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 640px; }
.wrap-wide { max-width: 1320px; }

/* ---------- 顶栏 ---------- */
.topbar {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky; top: 0; z-index: 30;
}
.topbar-in {
  max-width: 1320px; margin: 0 auto; padding: 0 20px;
  height: 46px; display: flex; align-items: center; gap: 24px;
}
.brand {
  display: flex; align-items: baseline; gap: 7px;
  font-weight: 600; font-size: 15px; letter-spacing: -0.02em;
}
.brand .mark {
  width: 15px; height: 15px; background: var(--accent);
  display: inline-block; border-radius: 2px;
  transform: translateY(2px) rotate(45deg);
}
.brand .ver {
  font: 400 11px var(--mono); color: var(--dim-2);
  border: 1px solid var(--line); padding: 0 4px; border-radius: 3px;
}
.nav { display: flex; gap: 18px; font-size: 13px; color: var(--dim); }
.nav a:hover { color: var(--text); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 32px; padding: 0 13px; border-radius: 4px;
  border: 1px solid var(--line-2); background: var(--panel-2); color: var(--text);
  font: 500 13px/1 inherit; cursor: pointer; white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.btn:hover { background: #1d232c; border-color: #3f4a58; color: #fff; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #1a1206; font-weight: 600; }
.btn-primary:hover { background: #f09a2a; border-color: #f09a2a; color: #1a1206; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--dim); }
.btn-ghost:hover { background: var(--panel-2); color: var(--text); border-color: var(--line); }
.btn-danger { color: var(--danger); border-color: #4a2224; background: #1e1214; }
.btn-danger:hover { background: #2a1619; color: #ff7b72; }
.btn-sm { height: 26px; padding: 0 9px; font-size: 12px; }
.btn-lg { height: 38px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* ---------- 表单 ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--dim); margin-bottom: 5px; }
.input, select, textarea {
  width: 100%; height: 34px; padding: 0 10px;
  background: #0d1014; border: 1px solid var(--line); border-radius: 4px;
  color: var(--text); font: 13px/1.4 inherit;
}
textarea { height: auto; padding: 9px 10px; resize: vertical; }
.input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent-dim); box-shadow: 0 0 0 2px rgba(224,138,30,.12);
}
.input.mono, .mono { font-family: var(--mono); }
.hint { display: block; font-size: 11.5px; color: var(--dim-2); margin-top: 5px; }
.input-group { display: flex; gap: 0; }
.input-group .input { border-radius: 4px 0 0 4px; }
.input-group .prefix {
  height: 34px; display: flex; align-items: center; padding: 0 9px;
  background: var(--panel-2); border: 1px solid var(--line); border-right: 0;
  border-radius: 4px 0 0 4px; font: 12px var(--mono); color: var(--dim);
}

/* ---------- 面板与表格 ---------- */
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 5px; }
.panel-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  font-size: 13px; font-weight: 600;
}
.panel-body { padding: 14px; }
.panel-body.tight { padding: 0; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; font-weight: 500; font-size: 11.5px; color: var(--dim);
  padding: 8px 10px; border-bottom: 1px solid var(--line);
  text-transform: uppercase; letter-spacing: .04em;
}
td { padding: 9px 10px; border-bottom: 1px solid #1a1f26; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #14181f; }

.tar { text-align: right; }
.tac { text-align: center; }

/* ---------- 小件 ---------- */
.tag {
  display: inline-block; padding: 1px 6px; border-radius: 3px;
  font: 500 11px/1.6 var(--mono); border: 1px solid var(--line);
  color: var(--dim); background: #0d1014;
}
.tag-ok { color: var(--ok); border-color: #1f3a26; background: #0d1710; }
.tag-warn { color: var(--warn); border-color: #3a2f13; background: #17130a; }
.tag-danger { color: var(--danger); border-color: #3d1d1f; background: #170e10; }
.tag-accent { color: var(--accent); border-color: #3d2a10; background: #171107; }

.muted { color: var(--dim); }
.dim { color: var(--dim-2); }
.small { font-size: 12.5px; }
.tiny { font-size: 11.5px; }
.nowrap { white-space: nowrap; }
.ellip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.stat { display: flex; gap: 28px; flex-wrap: wrap; }
.stat > div { min-width: 90px; }
.stat .k { font: 400 11.5px var(--mono); color: var(--dim-2); text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }

.alert {
  padding: 10px 12px; border-radius: 4px; font-size: 13px;
  border: 1px solid var(--line); background: var(--panel-2);
}
.alert-danger { border-color: #4a2224; background: #1a1012; color: #ff9d97; }
.alert-ok { border-color: #1f3a26; background: #0d1710; color: #7ee787; }
.alert-warn { border-color: #3a2f13; background: #17130a; color: #e3b341; }

.code {
  background: #0c0f13; border: 1px solid var(--line); border-radius: 4px;
  padding: 12px 14px; overflow-x: auto;
  font: 12.5px/1.65 var(--mono); color: #b9c4d0; margin: 12px 0;
}
code { font: 12.5px var(--mono); background: #171b22; padding: 1px 5px; border-radius: 3px; color: #e3b341; }
pre code { background: none; padding: 0; color: inherit; }

/* ---------- 首页 ---------- */
.hero { padding: 52px 0 40px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1fr 430px; gap: 48px; align-items: start; }
.hero h1 { font-size: 34px; line-height: 1.25; letter-spacing: -0.03em; margin-bottom: 14px; }
.hero .lead { font-size: 15px; color: var(--dim); max-width: 480px; margin-bottom: 22px; }
.hero .meta { display: flex; gap: 18px; font: 11.5px var(--mono); color: var(--dim-2); }

.try-box { background: var(--panel); border: 1px solid var(--line-2); border-radius: 5px; }
.try-box .hd {
  padding: 9px 13px; border-bottom: 1px solid var(--line);
  font: 11.5px var(--mono); color: var(--dim); display: flex; gap: 8px; align-items: center;
}
.try-box .bd { padding: 13px; }

.section { padding: 42px 0; border-bottom: 1px solid var(--line); }
.section h2 { font-size: 20px; margin-bottom: 6px; }
.section .sub { color: var(--dim); font-size: 13.5px; margin-bottom: 20px; }

.cols { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.dl { display: grid; grid-template-columns: 130px 1fr; gap: 6px 16px; font-size: 13px; }
.dl dt { color: var(--dim-2); font-family: var(--mono); font-size: 11.5px; padding-top: 2px; }
.dl dd { margin: 0; }

/* ---------- 控制台 ---------- */
.app-layout { display: grid; grid-template-columns: 186px 1fr; min-height: calc(100vh - 46px); }
.side {
  border-right: 1px solid var(--line); background: #0c0f13; padding: 14px 10px;
}
.side .grp { font: 11px var(--mono); color: var(--dim-2); padding: 10px 10px 5px; text-transform: uppercase; letter-spacing: .06em; }
.side a {
  display: block; padding: 6px 10px; border-radius: 4px; font-size: 13px; color: var(--dim);
}
.side a:hover { background: var(--panel-2); color: var(--text); }
.side a.on { background: var(--panel-2); color: var(--text); box-shadow: inset 2px 0 0 var(--accent); }
.main { padding: 22px 26px; min-width: 0; }

.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.page-head h1 { font-size: 18px; }
.page-head .right { margin-left: auto; display: flex; gap: 8px; }

/* ---------- 条形图（手写，不用图表库） ---------- */
.bars { display: flex; align-items: flex-end; gap: 2px; height: 96px; }
.bars .b { flex: 1; background: var(--accent-dim); border-radius: 1px 1px 0 0; min-height: 2px; position: relative; }
.bars .b:hover { background: var(--accent); }

.bar-row { display: grid; grid-template-columns: 110px 1fr 52px; gap: 10px; align-items: center; margin-bottom: 6px; font-size: 12.5px; }
.bar-row .track { height: 6px; background: #191e25; border-radius: 3px; overflow: hidden; }
.bar-row .fill { height: 100%; background: var(--accent-dim); }

/* ---------- 页脚 ---------- */
.foot {
  border-top: 1px solid var(--line); margin-top: 0; padding: 22px 0 30px;
  font-size: 12px; color: var(--dim-2);
}
.foot-in { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.foot a { color: var(--dim); }
.foot .sep { color: var(--line-2); }

/* ---------- 错误页 ---------- */
.err-wrap { max-width: 520px; margin: 100px auto; padding: 0 20px; }
.err-code { font: 600 44px var(--mono); color: var(--line-2); margin: 0 0 8px; }
.err-wrap h1 { font-size: 20px; margin-bottom: 10px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .cols, .cols-3 { grid-template-columns: 1fr; }
  .app-layout { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); display: flex; gap: 4px; overflow-x: auto; padding: 8px; }
  .side .grp { display: none; }
  .side a { white-space: nowrap; }
  .main { padding: 16px; }
  .topbar-in { gap: 14px; }
  .nav { display: none; }
  .hero h1 { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}