:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #a87a0f;
  --accent-soft: rgba(201, 151, 28, 0.14);
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s7: #4a3aa7;
  --up: #d03b3b;      /* 中国习惯：红涨 */
  --down: #0b8a0b;    /* 绿跌 */
  --flat: #898781;
  --good: #0ca30c; --warning: #fab219; --critical: #d03b3b;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 2px 8px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10);
    --accent: #e3b341; --accent-soft: rgba(227, 179, 65, 0.14);
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s7: #9085e9;
    --up: #e66767; --down: #0ca30c;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255,255,255,0.10);
  --accent: #e3b341; --accent-soft: rgba(227, 179, 65, 0.14);
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s7: #9085e9;
  --up: #e66767; --down: #0ca30c;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page); color: var(--ink);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
h2 { font-size: 17px; margin: 0; font-weight: 600; }
h3 { font-size: 14px; margin: 0; font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }
.num, .tbl td, .tbl th { font-variant-numeric: tabular-nums; }
.up { color: var(--up); } .down { color: var(--down); } .flat { color: var(--flat); }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px; height: 52px;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; white-space: nowrap; }
.logo { width: 18px; height: 14px; background: linear-gradient(160deg, #e3b341, #a87a0f); clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%); }
.tabs { display: flex; gap: 2px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.tabs button {
  border: 0; background: none; color: var(--ink-2); padding: 14px 12px; cursor: pointer;
  font: inherit; white-space: nowrap; border-bottom: 2px solid transparent;
}
.tabs button:hover { color: var(--ink); }
.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.top-right { display: flex; align-items: center; gap: 10px; }
.live { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.live.on i { background: var(--good); box-shadow: 0 0 0 3px rgba(12,163,12,.18); }
.live.closed i { background: var(--warning); }
.live.err i { background: var(--critical); }
.icon-btn { border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); border-radius: 8px; width: 32px; height: 32px; cursor: pointer; }

main { max-width: 1280px; margin: 0 auto; padding: 20px; }
.tab { display: none; }
.tab.active { display: block; }
footer { max-width: 1280px; margin: 0 auto; padding: 8px 20px 32px; }

/* 卡片 */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; margin-bottom: 16px; box-shadow: var(--shadow); min-width: 0;
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 24px 0 12px; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid2 > .card { margin-bottom: 0; }
.grid2 + * { margin-top: 16px; }
.chart { width: 100%; }

/* 主价格 */
.hero { display: grid; grid-template-columns: minmax(260px, 1fr) 2fr; gap: 24px; align-items: center; }
.hero-price { font-size: 44px; font-weight: 700; line-height: 1.1; margin: 4px 0; }
.hero-change { font-size: 18px; font-weight: 600; }
.hero-sub { color: var(--ink-2); margin-top: 8px; font-size: 13px; display: flex; gap: 16px; flex-wrap: wrap; }
.hero-spark { height: 120px; }

/* 指标块 */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.tile .k { color: var(--ink-2); font-size: 12px; }
.tile .v { font-size: 20px; font-weight: 600; margin-top: 2px; }
.tile .d { font-size: 12px; margin-top: 2px; }

/* 预测卡片 */
.pred-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.pred { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.pred .h { display: flex; justify-content: space-between; align-items: center; color: var(--ink-2); font-size: 13px; }
.pred .p { font-size: 26px; font-weight: 700; margin: 6px 0 2px; }
.pred .r { font-size: 12px; color: var(--ink-2); }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); }
.badge.up { background: rgba(208,59,59,.1); color: var(--up); }
.badge.down { background: rgba(11,138,11,.1); color: var(--down); }
.prob { height: 6px; border-radius: 3px; background: var(--down); margin: 10px 0 4px; overflow: hidden; opacity: .85; }
.prob i { display: block; height: 100%; background: var(--up); }

/* 工具条 */
.toolbar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; padding: 12px 16px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: none; padding: 6px 12px; cursor: pointer; color: var(--ink-2); font: inherit; font-size: 13px; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.active { background: var(--accent-soft); color: var(--ink); font-weight: 600; }
.seg.small button { padding: 4px 10px; font-size: 12px; }
.field { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); font-size: 13px; }
input, select {
  font: inherit; font-size: 13px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: 5px 8px;
}
.btn {
  font: inherit; font-size: 13px; cursor: pointer; border-radius: 8px; padding: 6px 14px;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink);
}
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: progress; }

/* 表格 */
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 500; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--axis); white-space: nowrap; }
.tbl td { padding: 8px 10px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
.tbl td.r, .tbl th.r { text-align: right; }
.tbl td.wrap { white-space: normal; min-width: 260px; color: var(--ink-2); }
.tbl.clickable tbody tr { cursor: pointer; }
.tbl.clickable tbody tr:hover { background: var(--accent-soft); }
.ok { color: var(--good); font-weight: 600; } .bad { color: var(--critical); font-weight: 600; }

/* 查询结果 */
.q-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.q-head .big { font-size: 28px; font-weight: 700; }
.empty { padding: 40px; text-align: center; color: var(--muted); }

/* 情景 */
.ctx-summary { color: var(--ink-2); margin: 0 0 14px; }
.score-bar { margin: 8px 0 18px; }
.score-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); }
.score-track { position: relative; height: 8px; border-radius: 4px; margin-top: 4px;
  background: linear-gradient(90deg, #0b8a0b, #f0efec 50%, #d03b3b); }
.score-track i { position: absolute; top: 50%; width: 16px; height: 16px; border-radius: 50%; background: var(--ink); border: 3px solid var(--surface); transform: translate(-50%, -50%); }
.factors { display: grid; gap: 10px; }
.factor { display: grid; grid-template-columns: 180px 220px 90px 1fr 28px; gap: 10px; align-items: center; padding: 10px; border: 1px solid var(--border); border-radius: 10px; }
.factor input[type=text], .factor textarea { width: 100%; }
.factor textarea { font: inherit; font-size: 13px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 5px 8px; resize: vertical; min-height: 34px; }
.impact { display: flex; gap: 2px; }
.impact button { flex: 1; border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); padding: 4px 0; font-size: 12px; cursor: pointer; border-radius: 6px; }
.impact button.sel.n { background: rgba(11,138,11,.15); color: var(--down); border-color: var(--down); font-weight: 600; }
.impact button.sel.z { background: var(--surface-2); color: var(--ink); border-color: var(--axis); font-weight: 600; }
.impact button.sel.p { background: rgba(208,59,59,.12); color: var(--up); border-color: var(--up); font-weight: 600; }
.del { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 18px; }
.row-actions { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
ul.plain { margin: 0; padding-left: 18px; color: var(--ink-2); }
ul.plain li { margin: 4px 0; }
ul.links a { color: var(--s1); word-break: break-all; }
ul.events { list-style: none; padding: 0; max-height: 360px; overflow: auto; }
ul.events li { padding: 6px 0; border-bottom: 1px solid var(--grid); font-size: 13px; }

/* 历史 */
.hist { border-left: 2px solid var(--axis); padding: 4px 0 4px 14px; margin: 0 0 14px 6px; }
.hist .t { font-size: 13px; font-weight: 600; }
.hist ul { margin: 6px 0 0; padding-left: 18px; color: var(--ink-2); font-size: 13px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); opacity: 0; pointer-events: none;
  background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 8px; font-size: 13px; transition: .2s; max-width: calc(100vw - 32px); z-index: 50; }
.toast.show { opacity: 1; transform: translateX(-50%); }

.hero > *, .grid2 > *, .pred-cards > *, .tiles > * { min-width: 0; }
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .grid2 { grid-template-columns: minmax(0, 1fr); }
  .pred-cards { grid-template-columns: minmax(0, 1fr); }
  .tiles { grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr)); }
  .factor { grid-template-columns: 1fr 1fr; }
  .factor textarea { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  main { padding: 12px 16px; }
  .topbar { padding: 0 12px; gap: 8px; }
  .brand { display: none; }
  .hero-price { font-size: 34px; }
  .live span { display: none; }
}