:root {
  --bg: #0e1117;
  --panel: #161b24;
  --border: #232a36;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --green: #26a69a;
  --red: #ef5350;
  --accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 20px; margin: 0; }

.controls { display: flex; align-items: center; gap: 10px; }

select, button {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
}

main { padding: 20px 24px; max-width: 1200px; margin: 0 auto; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}

.card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.card .value { font-size: 24px; font-weight: 600; margin-top: 6px; }
.card .value.small { font-size: 15px; }
.card .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

.up { color: var(--green); }
.down { color: var(--red); }

.badge-strong-buy { color: #00e676; }
.badge-buy { color: var(--green); }
.badge-neutral { color: var(--muted); }
.badge-caution { color: #ffb74d; }
.badge-avoid { color: var(--red); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.panel h2 { font-size: 14px; color: var(--muted); margin: 0 0 12px; font-weight: 500; }

.chart { height: 420px; }
.chart.short { height: 260px; }

.muted { color: var(--muted); font-size: 12px; }

footer { text-align: center; padding: 16px; }