:root {
  --bg: #0b1020;
  --bg2: #111731;
  --card: #151c38;
  --line: #26305c;
  --txt: #e5e9f8;
  --mut: #8b95bd;
  --acc: #34d399;
  --acc2: #fbbf24;
  --acc3: #60a5fa;
  --bad: #f87171;
}
* { box-sizing: border-box; }
html { overflow-x: hidden; }
body {
  margin: 0;
  background: radial-gradient(1200px 500px at 80% -10%, #1b2450 0%, var(--bg) 55%);
  color: var(--txt);
  font: 15px/1.55 "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;
  min-height: 100vh;
}
a { color: var(--acc3); }
code, kbd {
  background: var(--bg2); border: 1px solid var(--line); border-radius: 6px;
  padding: 1px 6px; font-size: 13px;
}
kbd { border-color: #3a4680; }

/* topbar */
.topbar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between;
  padding: 18px 22px 10px;
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo {
  font-size: 22px; letter-spacing: -2px; color: var(--acc);
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 4px 10px 0;
}
.brand h1 { margin: 0; font-size: 20px; }
.sub { margin: 0; color: var(--mut); font-size: 13px; }
.snapinfo { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.badge {
  background: var(--card); border: 1px solid var(--line); color: var(--mut);
  border-radius: 999px; padding: 3px 10px; font-size: 12px;
}
.badge.ok { color: var(--acc); border-color: #1f4d3d; }
.badge.stale { color: var(--acc2); border-color: #57451a; }

/* tabs */
.tabs {
  display: flex; gap: 4px; padding: 6px 22px 0; border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.tabs button {
  background: none; border: none; color: var(--mut); font: inherit; cursor: pointer;
  padding: 9px 14px; border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button.active { color: var(--txt); border-bottom-color: var(--acc); }
.tabs button:hover { color: var(--txt); }

main { padding: 18px 22px 40px; max-width: 1280px; margin: 0 auto; }
.tabpane { display: none; }
.tabpane.active { display: block; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 16px;
}
.card .k { color: var(--mut); font-size: 12.5px; margin-bottom: 4px; }
.card .v { font-size: 19px; font-weight: 650; }
.card .d { color: var(--mut); font-size: 12.5px; margin-top: 2px; }
.card .v small { color: var(--mut); font-weight: 400; font-size: 13px; }

/* filters */
.filters {
  display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: end;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; margin-bottom: 16px;
}
.fgroup label { display: block; color: var(--mut); font-size: 12px; margin-bottom: 4px; }
.fgroup.grow { flex: 1 1 180px; }
.fgroup input[type="search"], .fgroup select {
  width: 100%; background: var(--bg2); color: var(--txt); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 10px; font: inherit; font-size: 13.5px;
}
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button {
  background: var(--bg2); color: var(--mut); border: none; font: inherit; font-size: 13px;
  padding: 7px 11px; cursor: pointer; border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: none; }
.seg button.active { background: #1c2a52; color: var(--txt); }
input[type="range"] { accent-color: var(--acc); width: 140px; }
.chk { display: flex; gap: 6px; align-items: center; color: var(--txt) !important; font-size: 13.5px !important; cursor: pointer; }
.chk input { accent-color: var(--acc); }
.mut { color: var(--mut); }

/* panels */
.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 16px;
}
.panel h2 { margin: 0 0 10px; font-size: 16px; }
.panel-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.panel-head h2 { margin: 0; }
.panel p { color: var(--mut); margin: 6px 0 10px; }
.chart-lg { width: 100%; height: 460px; }
@media (max-width: 700px) { .chart-lg { height: 380px; } }

/* ranking */
#ranking { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 26px; }
@media (max-width: 800px) { #ranking { grid-template-columns: 1fr; } }
.rrow { display: grid; grid-template-columns: 26px 1fr auto; gap: 10px; align-items: center; padding: 5px 2px; border-bottom: 1px dashed #202a52; cursor: pointer; }
.rrow:hover { background: #18204a; border-radius: 8px; }
.rrow .pos { color: var(--mut); font-size: 12.5px; text-align: right; }
.rrow .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13.5px; }
.rrow .nm small { color: var(--mut); }
.rrow .barwrap { grid-column: 2 / 4; height: 4px; background: var(--bg2); border-radius: 4px; overflow: hidden; }
.rrow .bar { height: 100%; background: linear-gradient(90deg, #1f8f66, var(--acc)); border-radius: 4px; }
.rrow .score { color: var(--acc); font-variant-numeric: tabular-nums; font-size: 13px; }

/* pinned chips */
#pinned-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  background: #1c2a52; border: 1px solid #33407a; border-radius: 999px;
  padding: 3px 10px; font-size: 12.5px; cursor: pointer;
}
.chip b { color: var(--acc); }

/* table */
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; min-width: 900px; }
th, td { padding: 7px 9px; text-align: left; border-bottom: 1px solid #202a52; white-space: nowrap; }
th { color: var(--mut); font-weight: 500; font-size: 12px; position: sticky; top: 0; background: var(--card); cursor: pointer; user-select: none; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #18204a; }
tbody tr.pinned { outline: 1px solid var(--acc); outline-offset: -1px; }
td .tn { font-weight: 600; }
td .tsub { color: var(--mut); font-size: 11px; }
.diff-neg { color: var(--acc); }
.diff-pos { color: var(--acc2); }
.deprecated td { opacity: 0.45; }
.pill { font-size: 10.5px; border: 1px solid var(--line); color: var(--mut); border-radius: 999px; padding: 0 6px; margin-left: 5px; }

button, .ghost {
  font: inherit; font-size: 13.5px; cursor: pointer; border-radius: 8px;
  background: var(--acc); color: #06281c; border: none; padding: 8px 14px; font-weight: 600;
}
button:disabled { opacity: 0.4; cursor: default; }
.ghost { background: var(--bg2); color: var(--txt); border: 1px solid var(--line); font-weight: 400; }

/* dropzones */
.drops { display: flex; gap: 12px; flex-wrap: wrap; margin: 10px 0; }
.drop {
  flex: 1 1 240px; border: 2px dashed #33407a; border-radius: 12px; padding: 18px;
  display: flex; flex-direction: column; gap: 4px; align-items: center; text-align: center;
  color: var(--mut); transition: border-color .15s, background .15s;
}
.drop b { color: var(--txt); }
.drop.over { border-color: var(--acc); background: #12251f; }
.drop em { font-style: normal; font-size: 12.5px; }
.drop em.done { color: var(--acc); }
.drop em.err { color: var(--bad); }

/* footer */
.foot { color: var(--mut); font-size: 12.5px; text-align: center; padding: 18px 10px 26px; }
.src { color: var(--mut); padding-left: 18px; }
.src b { color: var(--txt); }
.src li { margin-bottom: 6px; }
#sel-trend-model { max-width: 380px; width: 100%; background: var(--bg2); color: var(--txt); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font: inherit; }