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

:root {
  --bg: #0f1420;
  --card: #1a2130;
  --text: #e8ecf4;
  --muted: #8b94a7;
  --accent: #4f8cff;
  --danger: #ff6b6b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 16px;
  min-height: 100vh;
}

header { margin-bottom: 18px; }
.logo { font-size: 22px; font-weight: 700; color: var(--accent); }
.subtitle { color: var(--muted); font-size: 13px; margin-top: 2px; }

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.card-value { font-size: 18px; font-weight: 600; margin-top: 6px; }

.list { list-style: none; margin-top: 8px; }
.list li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
  font-size: 15px;
}
.list li:last-child { border-bottom: none; }

.error .card-value { color: var(--danger); }
.hidden { display: none; }