:root {
  --bg: #f6f9ff;
  --panel: rgba(255, 255, 255, 0.8);
  --panel-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(124, 151, 197, 0.18);
  --text: #10213e;
  --muted: #60738d;
  --blue: #2563eb;
  --blue-soft: rgba(37, 99, 235, 0.12);
  --gold: #f59e0b;
  --gold-soft: rgba(245, 158, 11, 0.16);
  --shadow: 0 28px 72px rgba(77, 105, 146, 0.16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(83, 159, 255, 0.16), transparent 34%),
    radial-gradient(circle at 85% 0%, rgba(255, 223, 128, 0.18), transparent 22%),
    linear-gradient(180deg, #fbfdff 0%, #f6f9ff 100%);
}

.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
}
.orb-a { width: 340px; height: 340px; top: -80px; left: -60px; background: rgba(59, 130, 246, 0.14); }
.orb-b { width: 320px; height: 320px; top: 120px; right: -120px; background: rgba(245, 158, 11, 0.12); }

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 34px 0 64px;
}

.hero,
.panel { backdrop-filter: blur(18px); }

.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  gap: 24px;
  align-items: stretch;
  padding: 30px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, var(--panel-strong), rgba(241, 247, 255, 0.88));
  box-shadow: var(--shadow);
}

.eyebrow,
.panel-kicker,
.hero-stat-label,
.chart-meta-label {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.hero h1,
.panel h2 {
  margin: 10px 0;
  letter-spacing: -0.04em;
}
.hero h1 { font-size: clamp(2.2rem, 4vw, 3.8rem); max-width: 820px; }
.hero p,
.panel-copy,
.hero-footnote,
.hero-stat-sub,
.chart-meta-note { color: var(--muted); line-height: 1.65; }

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(119, 150, 198, 0.16);
  background: rgba(255, 255, 255, 0.68);
}
.hero-stat { padding: 10px 0; border-bottom: 1px solid rgba(148, 163, 184, 0.12); }
.hero-stat:last-of-type { border-bottom: 0; }
.hero-stat-value {
  display: block;
  margin-top: 8px;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.04em;
}
.hero-stat-value--small { font-size: clamp(1.15rem, 2vw, 1.45rem); }

.panel {
  margin-top: 22px;
  padding: 26px;
  border-radius: 28px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}
.panel-head--chart { align-items: center; }

.chart-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.control-group--ranges {
  max-width: min(100%, 460px);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.control-group {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(148,163,184,0.16);
}

.control-pill {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: 120ms ease;
}
.control-pill:hover { color: var(--text); }
.control-pill.is-active { background: #ffffff; color: var(--text); box-shadow: 0 8px 20px rgba(99, 112, 141, 0.12); }

.chart-stage { margin-top: 10px; }
.chart-meta {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 14px;
}
.chart-meta-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.chart-meta-value { display: block; margin-top: 6px; font-size: 1.25rem; letter-spacing: -0.03em; }

.chart-wrap {
  position: relative;
  padding: 18px;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(238,244,255,0.94));
  border: 1px solid rgba(148, 163, 184, 0.16);
}

#price-chart { width: 100%; height: 360px; display: block; }

.chart-selection {
  position: absolute;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  pointer-events: none;
}
.chart-selection.hidden { display: none; }

.reset-zoom {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text);
  cursor: pointer;
}
.reset-zoom:disabled {
  opacity: 0.45;
  cursor: default;
}

.chart-tooltip {
  position: absolute;
  min-width: 160px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.92);
  color: #e2e8f0;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.22);
  pointer-events: none;
  transform: translate(-50%, calc(-100% - 14px));
}
.chart-tooltip.is-below { transform: translate(-50%, 14px); }
.chart-tooltip.hidden { display: none; }
.chart-tooltip-date { font-size: 0.82rem; color: #93c5fd; margin-bottom: 4px; }
.chart-tooltip-price { font-size: 1rem; font-weight: 700; }
.chart-tooltip-alt { font-size: 0.86rem; color: #cbd5e1; margin-top: 2px; }
.chart-hover-dot {
  filter: drop-shadow(0 4px 10px rgba(15, 23, 42, 0.28));
}

code {
  padding: 0.15rem 0.45rem;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
svg text { font-family: 'Inter', system-ui, sans-serif; }

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .panel-head--chart, .chart-meta { flex-direction: column; align-items: flex-start; }
  .chart-controls { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .page-shell { width: min(100vw - 20px, 1240px); padding-top: 20px; }
  .hero, .panel { padding: 20px; }
}