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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  height: 48px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

.logo span {
  color: var(--accent);
}

:root {
  --bg: #0f1117;
  --surface: #1e2330;
  --border: #2d3448;
  --text: #e2e8f0;
  --white: #fff;
  --muted: #64748b;
  --muted-light: #94a3b8;
  --accent: #60a5fa;
  --primary: #2563eb;
  --primary-hv: #1d4ed8;
  --error-bg: #2d1515;
  --error-bd: #7f1d1d;
  --error-tx: #fca5a5;
  --surface-dark: #12151c;
  --surface-hover: #252d3f;
  --table-head-tx: #93c5fd;
  --table-body-tx: #cbd5e1;
  --table-row-alt: #161b27;
}