:root {
  --mv-bg: #F1F4F8;
  --mv-card: #FFFFFF;
  --mv-text: #0F172A;
  --mv-text-sec: rgba(15, 23, 42, 0.75);
  --mv-text-muted: #475569;
  --mv-border: rgba(15, 23, 42, 0.08);
  --mv-grid: rgba(15, 23, 42, 0.06);
  --mv-footer-border: rgba(0,0,0,0.08);
  --mv-green: #10B981;
  --mv-blue: #2C58D6;
  --mv-red: #DC2626;
  --mv-dark-grey: #334155;
  --mv-bar: #10B981;
  --mv-badge-bg: rgba(16, 185, 129, 0.12);
  --mv-badge-text: #059669;
  --mv-toggle-bg: rgba(0,0,0,0.06);
  --mv-toggle-active: #ffffff;
  --mv-pill-bg: rgba(0,0,0,0.04);
  --mv-pill-active: #ffffff;
}
[data-theme="dark"] {
  --mv-bg: #001234;
  --mv-card: rgba(255,255,255,0.03);
  --mv-text: #FFFFFF;
  --mv-text-sec: rgba(255,255,255,0.85);
  --mv-text-muted: rgba(255,255,255,0.62);
  --mv-border: rgba(255,255,255,0.1);
  --mv-grid: rgba(255,255,255,0.08);
  --mv-footer-border: rgba(255,255,255,0.08);
  --mv-green: #10B981;
  --mv-blue: #60A5FA;
  --mv-red: #F87171;
  --mv-dark-grey: #94A3B8;
  --mv-bar: #34D399;
  --mv-badge-bg: rgba(52, 211, 153, 0.16);
  --mv-badge-text: #6EE7B7;
  --mv-toggle-bg: rgba(255,255,255,0.06);
  --mv-toggle-active: rgba(255,255,255,0.12);
  --mv-pill-bg: rgba(255,255,255,0.04);
  --mv-pill-active: rgba(255,255,255,0.12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'Source Sans 3', -apple-system, system-ui, sans-serif;
  background: var(--mv-bg); color: var(--mv-text);
  transition: background 0.3s ease, color 0.3s ease;
  min-height: 100vh; padding: 24px;
  display: flex; align-items: center; justify-content: center;
  -webkit-font-smoothing: antialiased;
}
.card {
  background: var(--mv-card); border-radius: 16px;
  border: 1px solid var(--mv-border);
  padding: 40px 44px 28px; width: 100%; max-width: 940px;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 16px; margin-bottom: 6px;
}
.badge {
  background: var(--mv-badge-bg); color: var(--mv-badge-text);
  padding: 4px 12px; border-radius: 20px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em;
  text-transform: uppercase; white-space: nowrap;
}
.toggle {
  display: flex; background: var(--mv-toggle-bg);
  border-radius: 8px; padding: 3px;
}
.toggle button {
  background: transparent; color: var(--mv-text-muted);
  border: none; border-radius: 6px; cursor: pointer;
  padding: 5px 12px; font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
  font-family: inherit;
}
.toggle button.active { background: var(--mv-toggle-active); color: var(--mv-text); }

h1 {
  font-size: 30px; font-weight: 800; letter-spacing: -0.022em;
  line-height: 1.15; margin-top: 10px;
}
.subtitle {
  color: var(--mv-text-sec); font-size: 15px; font-weight: 400;
  margin: 8px 0 18px; line-height: 1.45;
}

.pill-group {
  display: inline-flex; gap: 2px; padding: 3px;
  background: var(--mv-pill-bg);
  border: 1px solid var(--mv-border);
  border-radius: 10px;
  margin-bottom: 8px;
}
.pill-group button {
  background: transparent; border: 0; color: var(--mv-text-sec);
  padding: 6px 14px; font: 600 12px 'Source Sans 3', sans-serif;
  cursor: pointer; border-radius: 7px; transition: all 0.15s;
}
.pill-group button.active {
  background: var(--mv-pill-active); color: var(--mv-text);
  box-shadow: 0 1px 2px rgba(15,23,42,0.08);
}

.chart-wrap { position: relative; height: 360px; margin-top: 10px; }
.chart-wrap.tall { height: 520px; }

.legend-row {
  display: flex; justify-content: center; flex-wrap: wrap;
  gap: 24px; margin-top: 14px;
  font-size: 13px; color: var(--mv-text-sec);
}
.legend-item { display: inline-flex; align-items: center; gap: 7px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

.footer {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 22px; padding-top: 14px;
  border-top: 1px solid var(--mv-footer-border);
  color: var(--mv-text-muted); font-size: 11.5px;
}
.footer a { color: inherit; text-decoration: none; }
.footer .dr-logo {
  display: inline-flex; align-items: center;
  color: var(--mv-text);
  text-decoration: none; font-weight: 700; font-size: 13px;
}

@media (max-width: 700px) {
  body { padding: 12px; }
  .card { padding: 26px 18px 18px; }
  h1 { font-size: 22px; }
  .subtitle { font-size: 13.5px; }
  .chart-wrap { height: 280px; }
  .chart-wrap.tall { height: 460px; }
}