:root {
  --bg: #0f0e0c;
  --bg-card: #1a1815;
  --bg-card-hover: #211f1a;
  --text: #e8e0d4;
  --text-muted: #a89d90;
  --text-dim: #7d7368;
  --gold: #c4a265;
  --gold-dim: #8a7245;
  --gold-glow: #dbb978;
  --warm-white: #f5efe6;
  --border: rgba(196, 162, 101, 0.12);
  --border-hover: rgba(196, 162, 101, 0.25);
  --border-subtle: rgba(196, 162, 101, 0.06);
  --teal: #3a7b7b;
  --teal-glow: #4a9e9e;
  --purple: #7a62a8;
  --purple-glow: #9580c4;
  --green: #62a87a;
  --green-soft: rgba(98, 168, 122, 0.12);
  --burgundy: #8b3a3a;
  --burgundy-glow: #a84444;
  --burgundy-soft: rgba(139, 58, 58, 0.12);
  --radial-1: rgba(139, 58, 58, 0.06);
  --radial-2: rgba(58, 123, 123, 0.05);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Crimson Text', Georgia, serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, var(--radial-1) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, var(--radial-2) 0%, transparent 60%);
  pointer-events: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

header {
  padding: 3rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.brand {
  font-family: Inter, sans-serif;
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
}
.brand span { color: var(--text-muted); }

.date-now {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--text-dim);
}

h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 400;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  color: var(--warm-white);
  line-height: 1.2;
}
h1 em { font-style: italic; color: var(--gold); }

.subtitle {
  font-family: 'Crimson Text', serif;
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}

/* ─── Metric Cards ─── */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.8rem 1.2rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}
.metric-card:hover { background: var(--bg-card-hover); }

.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
}
.metric-card[data-color="gold"]::before { background: linear-gradient(90deg, transparent, rgba(196, 162, 101, 0.3), transparent); }
.metric-card[data-color="teal"]::before { background: linear-gradient(90deg, transparent, rgba(58, 123, 123, 0.4), transparent); }
.metric-card[data-color="purple"]::before { background: linear-gradient(90deg, transparent, rgba(122, 98, 168, 0.4), transparent); }

.metric-label {
  font-family: Inter, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  opacity: 0.8;
}
.metric-card[data-color="gold"] .metric-label { color: var(--gold); }
.metric-card[data-color="teal"] .metric-label { color: var(--teal-glow); }
.metric-card[data-color="purple"] .metric-label { color: var(--purple); }

.metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.2rem;
  font-weight: 200;
  color: var(--warm-white);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1rem;
}

/* ─── Sparkline ─── */
.sparkline-wrap {
  margin-bottom: 0.8rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.8rem;
  position: relative;
}

.sparkline-container {
  position: relative;
  width: 100%;
}

.sparkline-svg {
  width: 100%;
  display: block;
  overflow: visible;
}

/* Hover elements */
.spark-crosshair {
  stroke-dasharray: 2 2;
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.spark-hover-dot {
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.spark-tooltip {
  position: absolute;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
  z-index: 10;
  white-space: nowrap;
  transform: translateX(-50%);
}

.spark-tooltip-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--text-dim);
  margin-bottom: 0.15rem;
}

.spark-tooltip-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--warm-white);
}

/* Date axis labels */
.sparkline-dates {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0 0;
}

.sparkline-date-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--text-dim);
  opacity: 0.6;
}

/* ─── Growth Row ─── */
.growth-row {
  display: flex;
  gap: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.8rem;
}

.growth-col {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.growth-period {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.growth-values {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.growth-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 400;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.growth-badge.up { color: var(--green); background: var(--green-soft); }
.growth-badge.down { color: var(--burgundy-glow); background: var(--burgundy-soft); }

.growth-abs {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.growth-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border-subtle);
}

footer {
  padding: 1.2rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sync-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-muted);
  opacity: 0.5;
}

.footer-brand {
  font-family: Inter, sans-serif;
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0.4;
}

/* ─── Loading ─── */
.loading-state {
  text-align: center;
  padding: 3rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.error-state {
  text-align: center;
  padding: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--burgundy-glow);
  background: var(--burgundy-soft);
  border-radius: 8px;
}

@media (max-width: 768px) {
  .metrics-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.8rem; }
  .header-top { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}