/*
 * =====================================================
 * DESIGN TOKENS - Système de design unifié
 * Application de gestion de pressing
 * Version 2.0
 * =====================================================
 */

:root {
  /* ==================== PALETTE DE COULEURS ==================== */

  /* Primary - Blue (Brand) */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  --color-primary-950: #172554;

  /* Neutral - Slate (Texte et backgrounds) */
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  --color-neutral-950: #020617;

  /* Success - Green */
  --color-success-50: #f0fdf4;
  --color-success-100: #dcfce7;
  --color-success-200: #bbf7d0;
  --color-success-300: #86efac;
  --color-success-400: #4ade80;
  --color-success-500: #22c55e;
  --color-success-600: #16a34a;
  --color-success-700: #15803d;
  --color-success-800: #166534;
  --color-success-900: #14532d;

  /* Warning - Amber */
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-200: #fde68a;
  --color-warning-300: #fcd34d;
  --color-warning-400: #fbbf24;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  --color-warning-800: #92400e;
  --color-warning-900: #78350f;

  /* Danger - Red */
  --color-danger-50: #fef2f2;
  --color-danger-100: #fee2e2;
  --color-danger-200: #fecaca;
  --color-danger-300: #fca5a5;
  --color-danger-400: #f87171;
  --color-danger-500: #ef4444;
  --color-danger-600: #dc2626;
  --color-danger-700: #b91c1c;
  --color-danger-800: #991b1b;
  --color-danger-900: #7f1d1d;

  /* Info - Cyan */
  --color-info-50: #ecfeff;
  --color-info-100: #cffafe;
  --color-info-200: #a5f3fc;
  --color-info-300: #67e8f9;
  --color-info-400: #22d3ee;
  --color-info-500: #06b6d4;
  --color-info-600: #0891b2;
  --color-info-700: #0e7490;
  --color-info-800: #155e75;
  --color-info-900: #164e63;

  /* ==================== VARIABLES SÉMANTIQUES ==================== */

  /* Brand */
  --brand-primary: var(--color-primary-600);
  --brand-accent: var(--color-primary-500);
  --brand-dark: var(--color-neutral-900);

  /* Backgrounds */
  --bg-body: var(--color-neutral-50);
  --bg-surface: #ffffff;
  --bg-surface-raised: #ffffff;
  --bg-hover: var(--color-neutral-100);
  --bg-active: var(--color-neutral-200);
  --bg-muted: var(--color-neutral-100);

  /* Borders */
  --border-light: var(--color-neutral-200);
  --border-medium: var(--color-neutral-300);
  --border-strong: var(--color-neutral-400);
  --border-width: 1px;
  --border-width-thick: 2px;

  /* Text */
  --text-primary: var(--color-neutral-900);
  --text-secondary: var(--color-neutral-600);
  --text-tertiary: var(--color-neutral-500);
  --text-muted: var(--color-neutral-400);
  --text-inverse: #ffffff;
  --text-link: var(--color-primary-600);
  --text-link-hover: var(--color-primary-700);

  /* ==================== TYPOGRAPHIE ==================== */

  /* Font Families */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

  /* Font Sizes - Échelle modulaire (1.25) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */

  /* Font Weights */
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* Line Heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Letter Spacing */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* ==================== ESPACEMENT ==================== */

  /* Spacing Scale (4px base) */
  --space-0: 0;
  --space-px: 1px;
  --space-0-5: 0.125rem;  /* 2px */
  --space-1: 0.25rem;     /* 4px */
  --space-1-5: 0.375rem;  /* 6px */
  --space-2: 0.5rem;      /* 8px */
  --space-2-5: 0.625rem;  /* 10px */
  --space-3: 0.75rem;     /* 12px */
  --space-3-5: 0.875rem;  /* 14px */
  --space-4: 1rem;        /* 16px */
  --space-5: 1.25rem;     /* 20px */
  --space-6: 1.5rem;      /* 24px */
  --space-7: 1.75rem;     /* 28px */
  --space-8: 2rem;        /* 32px */
  --space-9: 2.25rem;     /* 36px */
  --space-10: 2.5rem;     /* 40px */
  --space-11: 2.75rem;    /* 44px */
  --space-12: 3rem;       /* 48px */
  --space-14: 3.5rem;     /* 56px */
  --space-16: 4rem;       /* 64px */
  --space-20: 5rem;       /* 80px */
  --space-24: 6rem;       /* 96px */
  --space-28: 7rem;       /* 112px */
  --space-32: 8rem;       /* 128px */

  /* ==================== BORDER RADIUS ==================== */

  --radius-none: 0;
  --radius-sm: 0.25rem;    /* 4px */
  --radius-base: 0.375rem; /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.25rem;   /* 20px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* ==================== SHADOWS ==================== */

  /* Soft Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Inner Shadows */
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

  /* Colored Shadows */
  --shadow-primary: 0 10px 15px -3px rgba(59, 130, 246, 0.2), 0 4px 6px -4px rgba(59, 130, 246, 0.1);
  --shadow-success: 0 10px 15px -3px rgba(34, 197, 94, 0.2), 0 4px 6px -4px rgba(34, 197, 94, 0.1);
  --shadow-danger: 0 10px 15px -3px rgba(239, 68, 68, 0.2), 0 4px 6px -4px rgba(239, 68, 68, 0.1);

  /* ==================== TRANSITIONS ==================== */

  /* Durations */
  --duration-75: 75ms;
  --duration-100: 100ms;
  --duration-150: 150ms;
  --duration-200: 200ms;
  --duration-300: 300ms;
  --duration-500: 500ms;
  --duration-700: 700ms;
  --duration-1000: 1000ms;

  /* Timing Functions */
  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.25, 0.1, 0.25, 1);

  /* Combined Transitions */
  --transition-fast: var(--duration-150) var(--ease-out);
  --transition-base: var(--duration-200) var(--ease-out);
  --transition-slow: var(--duration-300) var(--ease-out);
  --transition-bounce: var(--duration-500) var(--ease-bounce);

  /* ==================== Z-INDEX ==================== */

  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* ==================== BREAKPOINTS (référence) ==================== */
  /*
   * xs: 0
   * sm: 576px
   * md: 768px
   * lg: 992px
   * xl: 1200px
   * 2xl: 1400px
   */

  /* ==================== DIMENSIONS ==================== */

  /* Container Widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1400px;

  /* Component Heights */
  --height-input: 2.5rem;        /* 40px */
  --height-input-sm: 2rem;       /* 32px */
  --height-input-lg: 3rem;       /* 48px */
  --height-button: 2.5rem;       /* 40px */
  --height-button-sm: 2rem;      /* 32px */
  --height-button-lg: 3rem;      /* 48px */
  --height-navbar: 4rem;         /* 64px */

  /* ==================== OPACITÉS ==================== */

  --opacity-0: 0;
  --opacity-5: 0.05;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-30: 0.3;
  --opacity-40: 0.4;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-70: 0.7;
  --opacity-80: 0.8;
  --opacity-90: 0.9;
  --opacity-95: 0.95;
  --opacity-100: 1;
}

/* ==================== MODE SOMBRE (Préparation) ==================== */

@media (prefers-color-scheme: dark) {
  :root {
    --bg-body: var(--color-neutral-900);
    --bg-surface: var(--color-neutral-800);
    --bg-surface-raised: var(--color-neutral-700);
    --bg-hover: var(--color-neutral-700);
    --bg-active: var(--color-neutral-600);
    --bg-muted: var(--color-neutral-800);

    --border-light: var(--color-neutral-700);
    --border-medium: var(--color-neutral-600);
    --border-strong: var(--color-neutral-500);

    --text-primary: var(--color-neutral-50);
    --text-secondary: var(--color-neutral-300);
    --text-tertiary: var(--color-neutral-400);
    --text-muted: var(--color-neutral-500);
    --text-inverse: var(--color-neutral-900);

    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px -1px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  }
}