/* ========================================
   Print by Esteban — Design Tokens (CSS Variables)
   Thème : Apple Liquid Glass (Frosted Glassmorphism)
   ======================================== */

:root {
  /* === Palette de couleurs === */
  --color-primary: #0071E3;        /* Bleu Apple */
  --color-primary-light: #47A1FF;
  --color-primary-dark: #0058B0;
  --color-primary-glow: rgba(0, 113, 227, 0.15);

  --color-secondary: #1D1D1F;      /* Noir Apple */
  --color-secondary-light: #424245;
  --color-secondary-dark: #000000;
  --color-secondary-glow: rgba(29, 29, 31, 0.05);

  --color-accent: #FF3B30;         /* Rouge Apple */
  --color-success: #34C759;        /* Vert Apple */
  --color-warning: #FF9500;        /* Orange Apple */
  --color-error: #FF3B30;

  /* === Liquid Glass Variables (Apple Style) === */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-hover: rgba(255, 255, 255, 0.8);
  --glass-blur: blur(24px) saturate(180%);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
  
  /* === Backgrounds (Fallbacks) === */
  --bg-base: #F5F5F7;              /* Gris clair Apple */
  --bg-surface: var(--glass-bg);
  --bg-surface-2: rgba(255, 255, 255, 0.85);
  --bg-surface-3: rgba(0, 0, 0, 0.04);
  --bg-overlay: rgba(0, 0, 0, 0.4);

  /* === Texte === */
  --text-primary: #1D1D1F;         /* Noir profond Apple */
  --text-secondary: #86868B;       /* Gris Apple */
  --text-muted: #A1A1A6;
  --text-inverse: #FFFFFF;

  /* === Gradients & Backgrounds === */
  /* Un fond pastel subtil pour donner de la matière au glassmorphism */
  --gradient-apple-bg: radial-gradient(circle at 15% 50%, rgba(220, 235, 255, 0.8), transparent 50%),
                       radial-gradient(circle at 85% 30%, rgba(255, 230, 240, 0.6), transparent 50%),
                       radial-gradient(circle at 50% 80%, rgba(230, 255, 240, 0.6), transparent 50%),
                       #F5F5F7;

  --gradient-primary: linear-gradient(135deg, #0071E3, #47A1FF);
  
  /* === Borders === */
  --border-subtle: rgba(0, 0, 0, 0.05);
  --border-primary: rgba(0, 0, 0, 0.08);
  --border-secondary: rgba(0, 0, 0, 0.15);
  
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 20px;
  --border-radius-xl: 28px;
  --border-radius-full: 9999px;

  /* === Espacements === */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* === Typographie === */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', ui-monospace, monospace;

  --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 */
  --text-6xl: 3.75rem;   /* 60px */

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.45;
  --leading-relaxed: 1.6;

  /* === Ombres === */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);

  /* === Transitions === */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* === Aliases pratiques === */
  --color-danger: var(--color-error);  /* Alias pour compatibilité */
  --border-light: rgba(0, 0, 0, 0.04); /* Bordure très subtile */

  /* === Z-index === */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}