:root {
  color-scheme: dark;
  --bg: #04101d;
  --bg-accent: #0a1b32;
  --panel: rgba(10, 24, 43, 0.92);
  --line: rgba(173, 195, 222, 0.16);
  --text: #eef5ff;
  --muted: #9cb1c8;
  --green: #22c55e;
  --red: #ef4444;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.25), transparent 30%),
    linear-gradient(160deg, var(--bg), #061726 60%, #091f34);
}

.page {
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

.hero,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 24px;
  padding: 28px;
}

.panel {
  margin-top: 24px;
  padding: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #7dd3fc;
  font-size: 12px;
}

h1,
h2,
.subtext {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
  line-height: 0.98;
  max-width: 10ch;
}

.subtext {
  margin-top: 16px;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.6;
}

.quote-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.quote-card {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(14, 30, 54, 0.95), rgba(8, 20, 37, 0.95));
  border: 1px solid rgba(173, 195, 222, 0.12);
}

.quote-symbol,
.quote-price,
.quote-meta {
  margin: 0;
}

.quote-symbol {
  color: #7dd3fc;
  font-size: 13px;
  letter-spacing: 0.12em;
}

.quote-price {
  margin-top: 18px;
  font-size: 34px;
  font-weight: 700;
}

.quote-meta {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.control-row {
  display: flex;
  gap: 12px;
}

select {
  min-width: 200px;
  padding: 12px 14px;
  color: var(--text);
  background: #0a1830;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.chart {
  height: 520px;
}

.zones-panel {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.table-panel {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.table-wrap {
  margin-top: 14px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.ohlc-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: rgba(7, 17, 31, 0.72);
}

.ohlc-table th,
.ohlc-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(173, 195, 222, 0.08);
}

.ohlc-table th {
  color: #7dd3fc;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ohlc-table td {
  color: var(--text);
  font-size: 14px;
}

.zone-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.zone-card {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.7);
}

.zone-demand {
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.18);
}

.zone-supply {
  box-shadow: inset 0 0 0 1px rgba(239, 68, 68, 0.18);
}

.zone-kind,
.zone-range,
.zone-meta {
  margin: 0;
}

.zone-kind {
  color: #7dd3fc;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.zone-range {
  margin-top: 10px;
  font-size: 18px;
  font-weight: 700;
}

.zone-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .quote-grid {
    grid-template-columns: 1fr;
  }

  .panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .control-row {
    flex-direction: column;
  }

  .chart {
    height: 420px;
  }

  .zone-list {
    grid-template-columns: 1fr;
  }
}