:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface2: #1c2129;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
}

* { box-sizing: border-box; }

html[data-theme="light"] {
  --bg: #f6f8fa;
  --surface: #ffffff;
  --surface2: #f0f3f6;
  --border: #d0d7de;
  --text: #1f2328;
  --muted: #656d76;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Pretendard", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-weight: 700; font-size: 15px; letter-spacing: 0.3px; }
.brand span { color: var(--accent); }

.nav { display: flex; gap: 4px; }
.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
}
.nav a:hover { color: var(--text); background: var(--surface2); }
.nav a.active { color: var(--text); background: var(--surface2); font-weight: 600; }

.content { max-width: 1280px; margin: 0 auto; padding: 20px; }

.page-title { font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.page-sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.data-asof { color: var(--muted); font-size: 12px; }

/* KPI cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.kpi .label { color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.kpi .value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .delta { font-size: 12px; margin-top: 4px; }
.kpi .period { color: var(--muted); font-size: 11px; margin-top: 2px; }
.delta.up { color: var(--green); }
.delta.down { color: var(--red); }
.delta.flat { color: var(--muted); }

/* cards / panels */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}
.panel h2 { font-size: 14px; font-weight: 600; margin: 0 0 12px; }
.chart-wrap { position: relative; height: 340px; }
.chart-wrap.sm { height: 280px; }

/* controls */
.controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; align-items: center; }
.controls select, .controls input {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
}
.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
}
.btn.ghost { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-sm { padding: 3px 8px; font-size: 12px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: right; padding: 7px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; text-align: right; }
th.left, td.left { text-align: left; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: var(--surface2); }
td.num { font-variant-numeric: tabular-nums; }

.badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
}
.badge.valid { background: rgba(63, 185, 80, 0.15); color: var(--green); }
.badge.warn { background: rgba(210, 153, 34, 0.15); color: var(--amber); }
.badge.err { background: rgba(248, 81, 73, 0.15); color: var(--red); }

.pagination { display: flex; gap: 8px; align-items: center; margin-top: 12px; font-size: 13px; color: var(--muted); }

/* status */
.status { padding: 40px; text-align: center; color: var(--muted); }
.status.hidden { display: none; }

/* detail drawer */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 40;
  display: none;
}
.drawer-mask.open { display: block; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 520px; max-width: 92vw;
  background: var(--surface); border-left: 1px solid var(--border);
  z-index: 50; overflow-y: auto; padding: 20px;
  transform: translateX(100%); transition: transform 0.2s ease;
}
.drawer.open { transform: translateX(0); }
.drawer h3 { margin: 0 0 12px; font-size: 16px; }
.drawer .close { float: right; background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 13px; margin-bottom: 8px; }
.kv .k { color: var(--muted); }
.kv .v { font-variant-numeric: tabular-nums; word-break: break-all; }
.section-label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin: 16px 0 8px; }

.notice { font-size: 12px; color: var(--muted); background: var(--surface2); padding: 8px 10px; border-radius: 6px; margin-top: 8px; }

/* market summary rows */
.market-list { display: grid; gap: 8px; }
.market-row {
  display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap;
  padding: 10px 12px; background: var(--surface2); border-radius: 6px;
}
.market-name { font-weight: 600; font-size: 13px; }
.market-price { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; color: var(--accent); }
.market-meta { color: var(--muted); font-size: 12px; margin-left: auto; }