/* ============================================================
   FocusFlow Design Tokens
   A calm, premium, dark-mode design system
   Inspired by Linear, Notion, Headspace, Apple Health
   ============================================================ */

:root {
  /* ── Backgrounds (Apple-style Obsidian) ── */
  --bg-primary: #08080A;
  --bg-surface: #121214;
  --bg-elevated: #18181B;
  --bg-hover: #202024;
  --bg-input: #151518;

  /* ── Text ── */
  --text-primary: #F5F5F7;
  --text-secondary: #8E8E93;
  --text-tertiary: #515156;
  --text-accent: #A78BFA;

  /* ── Accent (Linear-style premium gradient) ── */
  --accent-primary: #6366F1;
  --accent-secondary: #7C3AED;
  --accent-gradient: linear-gradient(135deg, #00F2FE 0%, #7C3AED 50%, #FE019A 100%);
  --accent-glow: rgba(0, 242, 254, 0.3);
  --accent-subtle: rgba(0, 242, 254, 0.05);

  /* ── Neon Colors (Takdta Bhatakta Theme) ── */
  --neon-cyan: #00F2FE;
  --neon-pink: #FE019A;
  --neon-indigo: #6366F1;
  --neon-green: #05FFC0;
  --neon-yellow: #FFD200;
  --neon-gradient: linear-gradient(90deg, #00F2FE, #7C3AED, #FE019A, #05FFC0, #00F2FE);

  /* ── Glassmorphism ── */
  --glass-bg: rgba(10, 10, 12, 0.6);
  --glass-border: rgba(255, 255, 255, 0.04);
  --glass-blur: blur(24px) saturate(1.5);
  -webkit-glass-blur: blur(24px) saturate(1.5);

  /* ── Status ── */
  --success: #34D399;
  --success-dim: rgba(52, 211, 153, 0.12);
  --warning: #FBBF24;
  --warning-dim: rgba(251, 191, 36, 0.12);
  --error: #F87171;

  /* ── Focus Rating Colors (1–5) ── */
  --rating-1: #F87171;
  --rating-2: #FB923C;
  --rating-3: #FBBF24;
  --rating-4: #34D399;
  --rating-5: #6366F1;

  /* ── Borders ── */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-focus: rgba(99, 102, 241, 0.5);

  /* ── Spacing Scale ── */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;

  /* ── Border Radius ── */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px var(--accent-glow);
  --shadow-glow-lg: 0 0 40px var(--accent-glow), 0 0 80px rgba(99, 102, 241, 0.1);

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* ── Typography ── */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}