/* ============================================
   NutriMove Design System — Design Tokens
   ============================================ */

:root {
  /* Primary Colors */
  --primary: #10B981;
  --primary-light: #34D399;
  --primary-dark: #059669;
  --primary-glow: rgba(16, 185, 129, 0.15);
  --primary-glow-strong: rgba(16, 185, 129, 0.3);

  /* Secondary Colors */
  --secondary: #6366F1;
  --secondary-light: #818CF8;
  --secondary-dark: #4F46E5;
  --secondary-glow: rgba(99, 102, 241, 0.15);

  /* Accent */
  --accent: #F59E0B;
  --accent-light: #FBBF24;
  --accent-dark: #D97706;

  /* Backgrounds */
  --bg-primary: #0F172A;
  --bg-secondary: #1E293B;
  --bg-tertiary: #334155;
  --bg-hover: #3B4B63;
  --bg-glass: rgba(30, 41, 59, 0.8);
  --bg-glass-light: rgba(51, 65, 85, 0.5);
  --bg-overlay: rgba(15, 23, 42, 0.7);

  /* Text */
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-dark: #64748B;
  --text-inverse: #0F172A;

  /* Semantic Colors */
  --success: #10B981;
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning: #F59E0B;
  --warning-bg: rgba(245, 158, 11, 0.1);
  --error: #EF4444;
  --error-bg: rgba(239, 68, 68, 0.1);
  --info: #3B82F6;
  --info-bg: rgba(59, 130, 246, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-secondary: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  --gradient-hero: linear-gradient(135deg, #10B981 0%, #6366F1 100%);
  --gradient-dark: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
  --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
  --gradient-glow: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(16, 185, 129, 0.06), transparent 40%);

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

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.7;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.3);
  --shadow-glow-lg: 0 0 40px rgba(16, 185, 129, 0.2);

  /* Borders */
  --border-color: rgba(148, 163, 184, 0.1);
  --border-color-hover: rgba(148, 163, 184, 0.2);
  --border-primary: rgba(16, 185, 129, 0.3);

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

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-chat: 600;

  /* Container */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;

  /* Sidebar */
  --sidebar-width: 260px;
  --sidebar-collapsed: 72px;
  --header-height: 64px;
}