/* base.css — Core design tokens, resets, system fallback typography & themes */

:root {
  --bg: #0d0d0d;
  --surface: #141414;
  --surface-elevated: #1e1e1e;
  --surface-hover: #252526;
  --text: #f5f5f5;
  --muted: #8a8a8a;
  --dim: #555;
  --line: #2a2a2a;
  --cta: #fff;
  --cta-text: #0d0d0d;
  --selection: rgba(255,255,255,0.08);
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --font-sans: system-ui, -apple-system, sans-serif;
  --radius: 6px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 52px;
  --touch-target: 44px;
}

[data-theme="light"] {
  --bg: #fafafa;
  --surface: #fff;
  --surface-elevated: #f3f3f3;
  --surface-hover: #ececec;
  --text: #1a1a1a;
  --muted: #666;
  --dim: #999;
  --line: #e0e0e0;
  --cta: #1a1a1a;
  --cta-text: #fff;
  --selection: rgba(0,0,0,0.06);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

::selection {
  background: var(--selection);
}

/* Custom minimal scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--muted);
}

/* Accessibility utilities */
.vox-skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  z-index: 1000;
  padding: 8px 14px;
  background: var(--cta);
  color: var(--cta-text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: top 0.15s var(--ease);
}

.vox-skip-link:focus {
  top: 12px;
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}