:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #2563eb;
  --danger: #dc2626;
  --ok: #15803d;
  --code-bg: #f3f4f6;
  --table-head: #f9fafb;
  --soft-bg: #e9ecef;
  --copy-btn: #334155;
  --usage-track: #e5e7eb;
}

:root[data-theme='dark'] {
  --bg: #0b1220;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --line: #1f2937;
  --primary: #3b82f6;
  --danger: #ef4444;
  --ok: #22c55e;
  --code-bg: #1f2937;
  --table-head: #0f172a;
  --soft-bg: #1f2937;
  --copy-btn: #475569;
  --usage-track: #334155;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  padding: 0;
  border-radius: 8px;
  cursor: pointer;
  min-height: 40px;
  width: 40px;
}

.theme-toggle:hover {
  opacity: 0.95;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--text);
}