:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #f0b90b;
  --up: #0ecb81;
  --down: #f6465d;
  --tag-vol: #3d5afe;
  --tag-chg: #ff6d00;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding: 1.5rem;
  max-width: 1100px;
  margin-inline: auto;
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.subtitle {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.9rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.panel-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.live {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: normal;
}

.period {
  color: var(--muted);
  font-size: 0.85rem;
}

.updated {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.8rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.rank {
  color: var(--accent);
  font-weight: 600;
}

.pct-up {
  color: var(--up);
}

.pct-down {
  color: var(--down);
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  margin-right: 0.35rem;
}

.tag-vol {
  background: rgba(61, 90, 254, 0.25);
  color: #8fa8ff;
}

.tag-chg {
  background: rgba(255, 109, 0, 0.25);
  color: #ffb74d;
}

.row-highlight td {
  background: rgba(240, 185, 11, 0.06);
}

footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}

button {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  filter: brightness(1.05);
}

.loading {
  color: var(--muted);
  padding: 1rem;
}

.error {
  color: var(--down);
}