/**
 * Mary Design System - CSS Variables
 *
 * Fichier centralisé pour toutes les variables CSS du dashboard.
 * Importez ce fichier EN PREMIER dans vos autres fichiers CSS.
 */

:root {
  /* ========================================
     Z-INDEX SCALE
     Echelle standardisée pour éviter les conflits
     ======================================== */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-sidebar: 400;
  --z-modal-backdrop: 500;
  --z-modal: 600;
  --z-popover: 700;
  --z-tooltip: 800;
  --z-toast: 900;
  --z-max: 9999;

  /* ========================================
     COLORS - Primary (Green)
     ======================================== */
  --primary-50: #ecfdf5;
  --primary-100: #d1fae5;
  --primary-200: #a7f3d0;
  --primary-300: #6ee7b7;
  --primary-400: #34d399;
  --primary-500: #10b981;
  --primary-600: #059669;
  --primary-700: #047857;
  --primary-800: #065f46;
  --primary-900: #064e3b;

  /* ========================================
     COLORS - Secondary (Blue)
     ======================================== */
  --secondary-50: #eff6ff;
  --secondary-100: #dbeafe;
  --secondary-200: #bfdbfe;
  --secondary-300: #93c5fd;
  --secondary-400: #60a5fa;
  --secondary-500: #3b82f6;
  --secondary-600: #2563eb;
  --secondary-700: #1d4ed8;
  --secondary-800: #1e40af;
  --secondary-900: #1e3a8a;

  /* ========================================
     COLORS - Gray (Neutral)
     ======================================== */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* ========================================
     COLORS - Warm Gray (backgrounds)
     ======================================== */
  --gray-warm-50: #ffffff;
  --gray-warm-100: #fafafa;
  --gray-warm-200: #f5f5f4;

  /* ========================================
     COLORS - Slate (Cool Gray)
     ======================================== */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  /* ========================================
     COLORS - Neutral
     ======================================== */
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-400: #a3a3a3;
  --neutral-500: #737373;
  --neutral-600: #525252;
  --neutral-700: #404040;
  --neutral-800: #262626;
  --neutral-900: #171717;
  --neutral-950: #1a1a1a;

  /* ========================================
     COLORS - Violet / Purple
     ======================================== */
  --violet-50: #f5f3ff;
  --violet-100: #ede9fe;
  --violet-400: #a78bfa;
  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --violet-700: #6d28d9;
  --indigo-500: #6366f1;

  /* ========================================
     COLORS - Extended Green
     ======================================== */
  --green-100: #dcfce7;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;

  /* ========================================
     COLORS - Semantic
     ======================================== */
  --success-50: #ecfdf5;
  --success-100: #d1fae5;
  --success-500: #10b981;
  --success-600: #059669;
  --success-700: #047857;

  --warning-50: #fffbeb;
  --warning-100: #fef3c7;
  --warning-200: #fde68a;
  --warning-300: #fcd34d;
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;
  --warning-600: #d97706;
  --warning-700: #b45309;
  --warning-800: #92400e;

  --danger-50: #fef2f2;
  --danger-100: #fee2e2;
  --danger-200: #fecaca;
  --danger-300: #fca5a5;
  --danger-400: #f87171;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --danger-700: #b91c1c;
  --danger-800: #991b1b;

  --info-50: #eff6ff;
  --info-100: #dbeafe;
  --info-500: #3b82f6;
  --info-600: #2563eb;

  /* ========================================
     TYPOGRAPHY
     ======================================== */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

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

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* ========================================
     SPACING
     ======================================== */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */

  /* ========================================
     BORDERS & RADIUS
     ======================================== */
  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.75rem;    /* 12px */
  --radius-xl: 1rem;       /* 16px */
  --radius-2xl: 1.25rem;   /* 20px */
  --radius-full: 9999px;

  /* ========================================
     SHADOWS
     ======================================== */
  --shadow-color: rgba(0, 0, 0, 0.12);
  --shadow-color-strong: rgba(0, 0, 0, 0.25);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.12), 0 2px 4px -2px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.12), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-2xl: 0 25px 50px -12px var(--shadow-color-strong);

  /* Brand shadows */
  --shadow-brand-sm: 0 2px 8px rgba(16, 185, 129, 0.08);
  --shadow-brand-md: 0 4px 16px rgba(16, 185, 129, 0.12);
  --shadow-brand-lg: 0 8px 24px rgba(16, 185, 129, 0.16);

  /* ========================================
     TRANSITIONS & ANIMATIONS
     ======================================== */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);

  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;

  /* ========================================
     LAYOUT - Responsive Breakpoints
     ======================================== */
  --breakpoint-xs: 375px;     /* Small phone (iPhone SE) */
  --breakpoint-sm: 480px;     /* Standard phone */
  --breakpoint-md: 640px;     /* Large phone / small tablet */
  --breakpoint-lg: 768px;     /* Tablet */
  --breakpoint-xl: 1024px;    /* Desktop */
  --breakpoint-2xl: 1280px;   /* Large desktop */

  /* Legacy alias */
  --breakpoint-mobile: 768px;

  /* Sidebar */
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 80px;

  /* Desktop Sidebar Rail */
  --rail-width-collapsed: 64px;
  --rail-width-expanded: 252px;
  --rail-bg: #ffffff;
  --rail-border: var(--gray-200);

  /* Legacy alias */
  --icon-bar-width: var(--rail-width-collapsed);

  /* Top Bar */
  --top-bar-height: 56px;
  --top-bar-bg: #ffffff;
  --top-bar-border: var(--gray-200);

  /* Tab Bar (Mobile) */
  --tab-bar-height: 56px;
  --tab-bar-height-safe: calc(56px + env(safe-area-inset-bottom, 0px));
  --tab-bar-bg: rgba(255, 255, 255, 0.92);
  --tab-bar-blur: 20px;

  /* Command Center */
  --cc-modal-width: 560px;
  --cc-modal-max-height: 70vh;
  --cc-modal-radius: 16px;
  --cc-modal-shadow: var(--shadow-2xl);
  --cc-radius: 20px;

  /* ========================================
     RAIL ITEMS
     ======================================== */
  --rail-item-height: 42px;
  --rail-item-color: var(--gray-600);
  --rail-item-color-hover: var(--gray-900);
  --rail-item-color-active: var(--primary-700);
  --rail-item-bg-hover: var(--gray-100);
  --rail-item-bg-active: var(--primary-50);

  /* ========================================
     TAB ITEMS (Mobile)
     ======================================== */
  --tab-item-color: var(--gray-500);
  --tab-item-color-active: var(--primary-600);
  --tab-item-size: 24px;

  /* ========================================
     FOCUS STATES
     ======================================== */
  --focus-ring: 0 0 0 3px rgba(16, 185, 129, 0.25);
  --focus-ring-offset: 2px;

  /* ========================================
     MARY SEMANTIC - Primary Brand
     (aliases referencing core scales)
     ======================================== */
  --mary-primary: var(--primary-500);
  --mary-primary-50: var(--primary-50);
  --mary-primary-100: var(--primary-100);
  --mary-primary-200: var(--primary-200);
  --mary-primary-300: var(--primary-300);
  --mary-primary-400: var(--primary-400);
  --mary-primary-500: var(--primary-500);
  --mary-primary-600: var(--primary-600);
  --mary-primary-700: var(--primary-700);
  --mary-primary-800: var(--primary-800);
  --mary-primary-900: var(--primary-900);

  /* ========================================
     MARY SEMANTIC - Secondary
     ======================================== */
  --mary-secondary: var(--secondary-500);
  --mary-secondary-50: var(--secondary-50);
  --mary-secondary-100: var(--secondary-100);
  --mary-secondary-200: var(--secondary-200);
  --mary-secondary-300: var(--secondary-300);
  --mary-secondary-400: var(--secondary-400);
  --mary-secondary-500: var(--secondary-500);
  --mary-secondary-600: var(--secondary-600);
  --mary-secondary-700: var(--secondary-700);
  --mary-secondary-800: var(--secondary-800);
  --mary-secondary-900: var(--secondary-900);

  /* ========================================
     MARY SEMANTIC - Grays
     ======================================== */
  --mary-gray-50: var(--gray-50);
  --mary-gray-100: var(--gray-100);
  --mary-gray-200: var(--gray-200);
  --mary-gray-300: var(--gray-300);
  --mary-gray-400: var(--gray-400);
  --mary-gray-500: var(--gray-500);
  --mary-gray-600: var(--gray-600);
  --mary-gray-700: var(--gray-700);
  --mary-gray-800: var(--gray-800);
  --mary-gray-900: var(--gray-900);

  /* ========================================
     MARY SEMANTIC - Status & Alerts
     ======================================== */
  --mary-success: var(--success-500);
  --mary-success-light: var(--success-100);
  --mary-success-dark: var(--primary-700);

  --mary-warning: #f59e0b;
  --mary-warning-light: var(--warning-100);
  --mary-warning-dark: var(--warning-600);

  --mary-error: var(--danger-500);
  --mary-error-light: var(--danger-100);
  --mary-error-dark: var(--danger-600);

  --mary-info: var(--info-500);
  --mary-info-light: var(--info-100);
  --mary-info-dark: var(--info-600);

  /* ========================================
     MARY SEMANTIC - Backgrounds
     ======================================== */
  --mary-bg-primary: #ffffff;
  --mary-bg-secondary: var(--gray-50);
  --mary-bg-tertiary: var(--gray-100);
  --mary-bg-dark: var(--gray-900);

  /* ========================================
     MARY SEMANTIC - Text
     ======================================== */
  --mary-text-primary: var(--gray-900);
  --mary-text-secondary: var(--gray-500);
  --mary-text-tertiary: var(--gray-400);
  --mary-text-inverse: #ffffff;

  /* ========================================
     MARY SEMANTIC - Borders
     ======================================== */
  --mary-border-light: var(--gray-200);
  --mary-border-medium: var(--gray-300);
  --mary-border-dark: var(--gray-400);

  /* ========================================
     MARY SEMANTIC - Shadows
     ======================================== */
  --mary-shadow-sm: var(--shadow-sm);
  --mary-shadow-md: var(--shadow-md);
  --mary-shadow-lg: var(--shadow-lg);
  --mary-shadow-xl: var(--shadow-xl);

  /* ========================================
     BRAND INTEGRATION COLORS
     ======================================== */
  --mary-gmail: #ea4335;
  --mary-gmail-light: #fecaca;
  --mary-gcal: #4285f4;
  --mary-gcal-light: #dbeafe;
  --mary-stripe: #635bff;
  --mary-stripe-light: #e0e7ff;
  --mary-banking: #0ea5e9;
  --mary-banking-light: #e0f2fe;

  /* ========================================
     MODULE-SPECIFIC COLORS
     ======================================== */

  /* CRM Module */
  --crm-primary: var(--mary-primary);
  --crm-contact: #10b981;
  --crm-opportunity: #f59e0b;
  --crm-activity: #3b82f6;

  /* POS Module */
  --pos-primary: var(--mary-secondary);
  --pos-blue: #3b82f6;
  --pos-sale: #10b981;
  --pos-return: #ef4444;

  /* Finance Module */
  --finance-primary: var(--mary-primary);
  --finance-revenue: #10b981;
  --finance-expense: #ef4444;
  --finance-neutral: #6b7280;

  /* Sales Module */
  --sales-primary: var(--mary-primary);
  --sales-invoice: #10b981;
  --sales-quote: #f59e0b;
  --sales-order: #3b82f6;

  /* Achats Module */
  --achats-primary: var(--mary-primary);
  --achats-supplier: #6366f1;
  --achats-expense: #ef4444;
  --achats-order: #f59e0b;

  /* Messagerie Module */
  --messagerie-primary: var(--mary-gmail);
  --messagerie-inbox: #10b981;
  --messagerie-sent: #3b82f6;
  --messagerie-draft: #f59e0b;

  /* Agenda Module */
  --agenda-primary: var(--mary-primary);
  --agenda-event: #10b981;
  --agenda-meeting: #3b82f6;
  --agenda-task: #f59e0b;
  --agenda-reminder: #ec4899;
}

/* ========================================
   GLOBAL RESPONSIVE RULES
   ======================================== */

/* Responsive images — prevent overflow on all screens */
img, video, svg {
  max-width: 100%;
  height: auto;
}

/* Minimum touch target size (WCAG 2.5.8) */
@media (pointer: coarse) {
  button, [role="button"], a.btn, .mary-btn, input[type="submit"], input[type="button"] {
    min-height: 44px;
  }
}

/* Protect hover-only effects from touch devices */
@media (hover: hover) and (pointer: fine) {
  .mary-card-hover:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
  }
}

/* Force 16px on form inputs to prevent iOS auto-zoom */
@media (max-width: 768px) {
  input, select, textarea {
    font-size: 16px !important;
  }
}