/* iBreatheAI brand tokens — design-fresh palette derived from the gradient. */
:root {
  /* Core brand stops */
  --brand-rose: #F43F5E;
  --brand-purple: #A855F7;
  --brand-cyan: #06B6D4;
  --brand-gradient: linear-gradient(120deg, var(--brand-rose) 0%, var(--brand-purple) 50%, var(--brand-cyan) 100%);
  --brand-gradient-text: linear-gradient(120deg, #FF5C7A 0%, #C77BFF 50%, #38D8EE 100%);

  /* Surfaces */
  --bg-ink: #07070C;
  --bg-night: #0B0B14;
  --bg-elevated: #14141F;
  --bg-surface: #1B1B29;
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-strong: rgba(255, 255, 255, 0.06);

  /* Text */
  --text-primary: #F5F5FA;
  --text-secondary: #B5B5C7;
  --text-muted: #6F6F85;
  --text-on-brand: #FFFFFF;

  /* Borders & dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Semantic */
  --success: #22D3A4;
  --warning: #FBBF24;
  --danger: #EF4444;

  /* Typography */
  --font-sans: 'Inter', 'Cairo', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', 'Cairo', 'Segoe UI', system-ui, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  /* Radii */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-soft: 0 10px 30px -10px rgba(168, 85, 247, 0.25);
  --shadow-strong: 0 30px 80px -20px rgba(244, 63, 94, 0.35);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

html { background: var(--bg-ink); color: var(--text-primary); }
body { font-family: var(--font-sans); margin: 0; }