/* ═══════════════════════════════════════════════════════════
   Design Tokens — synced with blackmoat-web
   ═══════════════════════════════════════════════════════════ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  /* Color palette — matches blackmoat-web */
  --color-ink: #111827;
  --color-dim: #4B5563;
  --color-muted: #6B7280;
  --color-faint: #9CA3AF;
  --color-paper: #F9FAFB;
  --color-white: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-light: #DBEAFE;
  --color-ok: #16A34A;
  --color-ok-light: #DCFCE7;
  --color-warn: #D97706;
  --color-warn-light: #FEF3C7;
  --color-danger: #DC2626;
  --color-danger-light: #FEE2E2;

  /* Back-compat aliases (old shorthand names) */
  --ink: var(--color-ink);
  --dim: var(--color-dim);
  --muted: var(--color-muted);
  --faint: var(--color-faint);
  --paper: var(--color-paper);
  --white: var(--color-white);
  --border: var(--color-border);
  --border-light: var(--color-border-light);
  --accent: var(--color-accent);
  --accent-light: var(--color-accent-light);
  --ok: var(--color-ok);
  --ok-light: var(--color-ok-light);
  --warn: var(--color-warn);
  --warn-light: var(--color-warn-light);
  --danger: var(--color-danger);
  --danger-light: var(--color-danger-light);

  /* Layout */
  --radius: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --sidebar-w: 260px;
  --content-max: 720px;
  --header-h: 52px;

  /* Code block theme (Catppuccin Mocha) */
  --code-bg: #1e1e2e;
  --code-fg: #cdd6f4;
  --code-border: #2a2a3e;

  /* Typography */
  --font-sans: 'Geist Variable', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  --mono: var(--font-mono);

  /* Transitions — matches blackmoat-web */
  --transition: 150ms ease;
  --transition-slow: 250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Focus ring — matches blackmoat-web */
  --focus-ring: 0 0 0 2px var(--color-accent);
}

/* Base typography */
body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.65;
  background: var(--color-paper);
  color: var(--color-ink);
}

a { color: var(--color-ink); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: var(--color-border); }
a:hover { text-decoration-color: var(--color-ink); }
code { font-family: var(--font-mono); font-size: 0.8125em; background: var(--color-border-light); padding: 1px 5px; border-radius: 3px; }
.muted { color: var(--color-muted); }

/* Focus visible — accessibility */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0s !important; transition-duration: 0s !important; } }