:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --good: #4ade80;
  --bad: #f87171;
  --warn: #fbbf24;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Noto Sans CJK TC", sans-serif;
  font-size: 14px;
}
header {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
header h1 { margin: 0; font-size: 20px; }
header .meta { color: var(--muted); font-size: 12px; }
.btn-link {
  background: none; border: none; color: var(--accent); cursor: pointer;
  text-decoration: underline; padding: 0;
}

nav.tabs {
  display: flex; gap: 4px;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent; color: var(--muted);
  border: 0; border-bottom: 2px solid transparent;
  padding: 12px 16px; cursor: pointer;
  font-size: 14px;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.filters {
  display: flex; gap: 16px; align-items: center;
  padding: 12px 24px;
  background: var(--panel2);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.filters label { color: var(--muted); display: flex; gap: 6px; align-items: center; }
.filters select, .filters input, button, input[type="text"] {
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
  padding: 6px 10px; font-size: 14px;
}
button { cursor: pointer; }
button:hover { background: var(--panel2); }
button[type="submit"], #applyBtn, #orderSearchBtn {
  background: var(--accent); color: #052033; border-color: var(--accent); font-weight: 600;
}

.panel { padding: 16px 24px; }

.cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 12px 16px;
}
.card .lbl { color: var(--muted); font-size: 12px; }
.card .val { font-size: 22px; font-weight: 600; margin-top: 4px; }
.val.good { color: var(--good); }
.val.bad { color: var(--bad); }

.chart-wrap {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 16px; margin-bottom: 16px;
}
.chart-wrap h3 { margin: 0 0 12px 0; font-size: 15px; color: var(--muted); font-weight: 500; }
.chart-wrap canvas { max-height: 360px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

table.data {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
table.data th, table.data td {
  text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data th { color: var(--muted); font-weight: 500; background: var(--panel2); position: sticky; top: 0; }
table.data td.l, table.data th.l { text-align: left; }
table.data tr:hover { background: var(--panel2); }
table.data tr.clickable { cursor: pointer; }
table.data .pos { color: var(--good); }
table.data .neg { color: var(--bad); }

.matrix { overflow-x: auto; }
.matrix table { border-collapse: collapse; min-width: 100%; }
.matrix th, .matrix td {
  padding: 4px 8px; border: 1px solid var(--border);
  font-size: 12px; text-align: right; min-width: 70px;
}
.matrix th { background: var(--panel2); color: var(--muted); }
.matrix td.l { text-align: left; }

.search-row { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.search-row input { flex: 1; }
.hint { color: var(--muted); font-size: 12px; }

.file-list { font-family: ui-monospace, monospace; font-size: 12px; color: var(--muted); padding-left: 20px; max-height: 300px; overflow: auto; }
#uploadResult { color: var(--muted); font-family: ui-monospace, monospace; white-space: pre-wrap; }