:root {
  --purple: #6a2ed9;
  --purple-700: #4a18aa;
  --purple-300: #b592f2;
  --ink: #101018;
  --muted: #656271;
  --line: #e8e2f6;
  --soft: #f7f4ff;
  --canvas: #f4f1fa;
  --white: #fff;
  --dark: #0b0b22;
  --dark-2: #171052;
  --gold: #e38b14;
  --danger: #b42318;
  --ok: #0f7a45;
  --warn: #9a6700;
  --shadow: 0 18px 40px rgba(68, 28, 145, 0.08);
  --header: 58px;
  --drawer: 440px;
  color-scheme: light;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", Inter, sans-serif;
  font-size: 13px;
  color: var(--ink);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--canvas); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
.ico { width: 16px; height: 16px; display: inline-block; vertical-align: -3px; flex: none; }
.num { font-variant-numeric: tabular-nums; }

.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(280px, 460px) 1fr;
  background: var(--dark);
}
.login-panel {
  background: var(--white);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.brand-lockup { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.brand-lockup img { width: 48px; height: 48px; border-radius: 50%; box-shadow: 0 0 0 2px #f3d7a1; }
.brand-lockup strong { display: block; letter-spacing: 0.08em; font-size: 14px; }
.brand-lockup span { color: var(--purple); font-size: 12px; }
.login h1 { margin: 0 0 8px; font-size: 28px; letter-spacing: -0.03em; }
.lede { margin: 0 0 22px; color: var(--muted); line-height: 1.55; }
label { display: block; margin: 12px 0 6px; color: var(--muted); font-size: 12px; }
input[type="email"], input[type="password"], input[type="text"], input[type="search"], select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  outline: none;
}
input:focus, select:focus { border-color: var(--purple-300); box-shadow: 0 0 0 3px rgba(106, 46, 217, 0.12); }
.btn {
  border: 0;
  border-radius: 8px;
  height: 36px;
  padding: 0 14px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(135deg, #8f55ff, #6522db);
  box-shadow: 0 10px 24px rgba(91, 40, 205, 0.28);
  font-weight: 650;
}
.btn.ghost { background: transparent; }
.btn.small { height: 28px; padding: 0 10px; border-radius: 999px; font-size: 12px; }
.btn.danger { color: var(--danger); }
.login .btn.primary { width: 100%; height: 42px; margin-top: 16px; }
.demo {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.demo button { background: none; border: 0; color: var(--purple-700); padding: 4px 0; display: block; }
.login-aside {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 56px;
  background:
    radial-gradient(420px 240px at 80% 20%, rgba(227, 139, 20, 0.28), transparent 60%),
    radial-gradient(520px 320px at 20% 80%, rgba(143, 85, 255, 0.35), transparent 70%),
    var(--dark);
}
.login-aside h2 { font-size: 40px; line-height: 1.15; max-width: 520px; letter-spacing: -0.04em; }
.aside-note { max-width: 460px; color: #d8c8ff; line-height: 1.6; }
.err { color: var(--danger); min-height: 18px; margin: 8px 0 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 16px;
  color: #fff;
  background: var(--dark);
}
.topbar::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), #8f55ff 46%, transparent);
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 148px;
}
.brand img { width: 32px; height: 32px; border-radius: 50%; box-shadow: 0 0 0 1px rgba(243, 215, 161, 0.8); }
.brand b { letter-spacing: 0.08em; font-size: 12px; }
.brand small { display: block; color: var(--purple-300); font-size: 10px; letter-spacing: 0.04em; }
.nav { display: flex; gap: 2px; min-width: 0; overflow: auto; }
.nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 8px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
}
.nav a.on, .nav a:hover { color: #fff; background: rgba(143, 85, 255, 0.22); }
.tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search {
  width: 280px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(185, 146, 242, 0.35);
  background: var(--dark-2);
  color: #fff;
  padding-left: 30px;
}
.search-wrap { position: relative; }
.search-wrap .ico { position: absolute; left: 8px; top: 8px; color: #b592f2; }
.chip, .tool {
  height: 32px;
  border-radius: 8px;
  border: 1px solid rgba(185, 146, 242, 0.35);
  background: transparent;
  color: #fff;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.popover {
  position: absolute;
  top: 46px;
  right: 16px;
  width: 320px;
  max-height: 70vh;
  overflow: auto;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px;
  z-index: 30;
}
.popover.lang { width: 180px; }
.popover button, .market-row {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-radius: 8px;
  padding: 8px;
}
.popover button:hover, .market-row:hover { background: var(--soft); }
.market-row { display: flex; gap: 8px; align-items: center; }
.tag { font-size: 10px; color: var(--purple-700); background: var(--soft); border-radius: 999px; padding: 1px 6px; }

.workspace { padding: 16px 18px 40px; }
.page-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 12px; }
.page-head h1 { margin: 0; font-size: 20px; letter-spacing: -0.03em; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.toolbar, .panel, .card, .stat, .empty, .tree, .drawer {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
}
.toolbar { padding: 10px; margin-bottom: 10px; }
.toolbar-row, .filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar-row { margin-bottom: 8px; }
.seg { display: inline-flex; padding: 2px; background: var(--soft); border-radius: 9px; }
.seg button { border: 0; background: transparent; height: 28px; border-radius: 7px; padding: 0 10px; }
.seg button.on { background: #fff; color: var(--purple-700); box-shadow: 0 1px 2px rgba(16, 16, 24, 0.06); }
.filters button, .choice {
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 10px;
}
.filters button.on, .choice.on { background: var(--purple); color: #fff; border-color: var(--purple); }
.advanced { display: grid; grid-template-columns: repeat(4, minmax(140px, 1fr)); gap: 8px; margin-top: 8px; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 12px; }
.stat { padding: 12px 14px; }
.stat span { color: var(--muted); font-size: 12px; }
.stat strong { display: block; margin-top: 6px; font-size: 22px; letter-spacing: -0.03em; }
.cols { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 10px; }
.panel { padding: 12px; }
.panel h2 { margin: 0 0 8px; font-size: 13px; }
.wall { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.card { overflow: hidden; text-align: left; padding: 0; display: flex; flex-direction: column; }
.card:hover { border-color: #d8c8ff; }
.thumb { width: 100%; height: 132px; display: block; }
.card-body, .pad { padding: 10px 12px 12px; }
.card h3 { margin: 0; font-size: 13px; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.meta, .quiet { color: var(--muted); font-size: 12px; line-height: 1.45; }
.scores { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 8px; }
.scores b { display: block; font-size: 14px; }
.good { color: var(--ok); }
.mid { color: var(--purple); }
.bad { color: var(--danger); }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { font-size: 11px; color: var(--muted); font-weight: 600; background: #fbfaff; position: sticky; top: 0; }
td.num, th.num { text-align: right; }
tr:hover td { background: #fbfaff; }
.preview { display: flex; gap: 8px; align-items: center; min-width: 260px; }
.preview .thumb { width: 72px; height: 48px; border-radius: 6px; }
.empty { padding: 36px 20px; text-align: center; }
.empty h2 { margin: 8px 0; font-size: 16px; }
.drawer-back { position: fixed; inset: 0; background: rgba(11, 11, 34, 0.28); z-index: 40; }
.drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(var(--drawer), 100vw);
  z-index: 41;
  border-radius: 0;
  overflow: auto;
  box-shadow: -20px 0 50px rgba(11, 11, 34, 0.16);
}
.drawer header, .split { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.drawer header { position: sticky; top: 0; background: #fff; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.bar { height: 4px; background: #f1e9ff; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: linear-gradient(90deg, #8f55ff, #6522db); }
.factor { display: grid; grid-template-columns: 112px 1fr 36px; gap: 8px; align-items: center; margin: 6px 0; font-size: 12px; }
.steps { display: flex; gap: 6px; margin: 8px 0 12px; }
.steps span { flex: 1; font-size: 11px; color: var(--muted); border-top: 2px solid var(--line); padding-top: 6px; }
.steps span.on { color: var(--purple-700); border-color: var(--purple); }
.tree details { border-top: 1px solid var(--line); padding: 8px 0; }
.ad-row { display: flex; justify-content: space-between; gap: 8px; align-items: center; padding: 6px 0; }
.kvs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.kv { padding: 8px; background: var(--soft); border-radius: 8px; }
.kv b { display: block; margin-top: 4px; }
@media (max-width: 1100px) {
  .wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats, .cols, .login { grid-template-columns: 1fr; }
  .search { width: 160px; }
  .login-aside { display: none; }
}