/* ============================================================================
   LUMINA – DESIGN SYSTEM (CSS PUR)
   Modern E-commerce avec Focus sur Clarté et Performance
   Mobile-First | WCAG 2.1 AA Compliant
   ============================================================================ */

/* ======================== DESIGN TOKENS (ROOT) ======================== */
:root {
  /* Palette Primaire - Indigo moderne */
  --color-primary-50: #EEF2FF;
  --color-primary-100: #E0E7FF;
  --color-primary-500: #6366F1;
  --color-primary-600: #4F46E5;
  --color-primary-700: #4338CA;
  --color-primary-900: #312E81;

  /* Palette Neutre - Slate */
  --color-slate-50: #F8FAFC;
  --color-slate-100: #F1F5F9;
  --color-slate-200: #E2E8F0;
  --color-slate-300: #CBD5E1;
  --color-slate-400: #94A3B8;
  --color-slate-500: #64748B;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1E293B;
  --color-slate-900: #0F172A;

  /* Couleurs Sémantiques */
  --color-success: #16A34A;
  --color-warning: #CA8A04;
  --color-error: #DC2626;
  --color-info: #2563EB;
  --color-white: #FFFFFF;

  /* Palette Green (Success) */
  --color-green-50: #F0FDF4;
  --color-green-100: #DCFCE7;
  --color-green-500: #22C55E;
  --color-green-600: #16A34A;
  --color-green-700: #15803D;
  --color-green-800: #166534;

  /* Palette Yellow (Warning) */
  --color-yellow-50: #FEFCE8;
  --color-yellow-100: #FEF3C7;
  --color-yellow-200: #FDE68A;
  --color-yellow-500: #EAB308;
  --color-yellow-800: #713F12;
  --color-yellow-900: #78350F;

  /* Palette Blue (Info) */
  --color-blue-50: #EFF6FF;
  --color-blue-100: #DBEAFE;
  --color-blue-600: #2563EB;
  --color-blue-800: #1E40AF;

  /* Palette Purple */
  --color-purple-50: #FAF5FF;
  --color-purple-100: #F3E8FF;
  --color-purple-800: #6B21A8;

  /* Palette Orange */
  --color-orange-50: #FFF7ED;
  --color-orange-100: #FEED7D;
  --color-orange-800: #92400E;

  /* Palette Red */
  --color-red-50: #FEF2F2;
  --color-red-100: #FEE2E2;
  --color-red-600: #DC2626;

  /* Palette Amber */
  --color-amber-50: #FFFBEB;
  --color-amber-100: #FEF3C7;
  --color-amber-600: #D97706;

  /* Typographie */
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: Merriweather, serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Espacements (Système 4px) */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 0.75rem;  /* 12px */
  --space-md: 1rem;     /* 16px */
  --space-lg: 1.5rem;   /* 24px */
  --space-xl: 2rem;     /* 32px */
  --space-2xl: 3rem;    /* 48px */
  --space-3xl: 4rem;    /* 64px */
  --space-section: 5rem; /* 80px */

  /* Bordures */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --shadow-primary: 0 10px 15px -3px rgba(79, 70, 229, 0.4);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Touch Targets (WCAG minimum: 44x44px) */
  --touch-min: 44px;
  --touch-md: 48px;
  --touch-lg: 56px;
}

/* ======================== RESET & BASE ======================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-slate-900);
  background: var(--color-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1;
}

/* ======================== CONTAINER ======================== */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-xl);
  }
}

/* ======================== NAVIGATION ======================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  background: var(--color-white);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  background-color: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid var(--color-slate-200);
  box-shadow: var(--shadow-sm);
}

.navbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
  gap: var(--space-sm);
  width: 100%;
}

@media (max-width: 639px) {
  .navbar-inner {
    justify-content: flex-start;
  }
}

/* Logo */
.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  transition: transform var(--transition-base);
  min-width: -webkit-fill-available;
  min-width: fit-content;
  z-index: 10;
}

@media (min-width: 640px) {
  .navbar-brand {
    font-size: var(--font-size-2xl);
  }
}

.navbar-brand:hover {
  transform: translateY(-2px);
}

/* Menu Burger (Mobile) */
.navbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  color: var(--color-slate-600);
  transition: color var(--transition-base);
  order: -1;
}

.navbar-toggle:hover {
  color: var(--color-primary-600);
}

.navbar-toggle svg {
  width: 24px;
  height: 24px;
}

/* MASQUAGE DESKTOP */
@media (min-width: 768px) {
  .navbar-toggle {
    display: none !important;
    visibility: hidden;
    width: 0;
    height: 0;
    padding: 0;
    margin: 0;
  }
}

/* Navigation Links (Desktop) */
.navbar-menu {
  display: flex;
  flex: 1;
  justify-content: center;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 640px) {
  .navbar-menu {
    display: flex;
    order: 0;
  }
}

/* Menu mobile - cache sauf sur desktop */
@media (max-width: 639px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex: none;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-slate-200);
    border-top: 1px solid var(--color-slate-200);
    z-index: 999;
    width: 100%;
  }
  
  .navbar-menu.active {
    display: flex;
  }
}

.navbar-menu-item {
  position: relative;
}

.navbar-menu-link {
  display: inline-block;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  color: var(--color-slate-900);
  text-decoration: none;
  padding: var(--space-xs) 0;
  transition: color var(--transition-base);
  position: relative;
}

.navbar-menu-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--color-primary-600);
  transition: width var(--transition-base);
}

.navbar-menu-link:hover {
  color: var(--color-primary-600);
}

.navbar-menu-link:hover::after {
  width: 100%;
}

/* Search Bar (Desktop) */
.navbar-search {
  display: none;
  align-items: center;
  position: relative;
}

@media (min-width: 640px) {
  .navbar-search {
    display: flex;
    flex: 1;
    margin: 0 var(--space-md);
  }
}

@media (min-width: 768px) {
  .navbar-search {
    flex: auto;
  }
}

.navbar-search-input {
  width: 100%;
  max-width: 256px;
  padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
  background: var(--color-slate-50);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  outline: none;
  transition: box-shadow var(--transition-base);
}

@media (max-width: 639px) {
  .navbar-search-input {
    max-width: 200px;
    padding: var(--space-xs) var(--space-sm) var(--space-xs) 2rem;
    font-size: var(--font-size-xs);
  }
}

.navbar-search-input:focus {
  box-shadow: 0 0 0 3px var(--color-primary-50), 0 0 0 5px var(--color-primary-500);
}

.navbar-search-input::placeholder {
  color: var(--color-slate-400);
}

.navbar-search-icon {
  position: absolute;
  left: var(--space-md);
  width: 16px;
  height: 16px;
  color: var(--color-slate-400);
  pointer-events: none;
}

/* Actions (Cart, Search Mobile) */
.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-left: auto;
  order: 2;
}

.navbar-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-min);
  height: var(--touch-min);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-slate-500);
  transition: color var(--transition-base);
  position: relative;
  flex-shrink: 0;
}

.navbar-action-btn:hover {
  color: var(--color-primary-600);
}

.navbar-action-btn svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 639px) {
  .navbar-action-btn {
    width: 44px;
    height: 44px;
  }
}

/* Cart Badge */
.cart-badge {
  position: absolute;
  top: -8px;
  right: -4px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--color-error);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  animation: bounce 0.6s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ======================== TYPOGRAPHIE ======================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--space-md);
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-slate-500);
}

a {
  color: var(--color-primary-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-700);
  text-decoration: underline;
}

/* ======================== BOUTONS ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  min-height: var(--touch-md);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  outline: none;
  -webkit-user-select: none;
  user-select: none;
  white-space: nowrap;
}

/* Variantes de boutons */
.btn-primary {
  background: var(--color-primary-600);
  color: var(--color-white);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  background: var(--color-primary-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -5px rgba(79, 70, 229, 0.5);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-50), 0 0 0 5px var(--color-primary-600);
}

.btn-primary:disabled,
.btn-primary.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-slate-700);
  border: 1px solid var(--color-slate-300);
}

.btn-secondary:hover {
  background: var(--color-slate-50);
}

.btn-secondary:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-slate-100), 0 0 0 5px var(--color-slate-500);
}

.btn-ghost {
  background: none;
  color: var(--color-slate-600);
}

.btn-ghost:hover {
  background: var(--color-slate-100);
  color: var(--color-slate-900);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-white);
}

.btn-danger:hover {
  background: #B91C1C;
}

.btn-danger:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1), 0 0 0 5px var(--color-error);
}

/* Tailles */
.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  min-height: 2rem;
}

.btn-lg {
  padding: var(--space-lg) var(--space-xl);
  font-size: var(--font-size-lg);
  min-height: var(--touch-lg);
  width: 100%;
}

@media (min-width: 640px) {
  .btn-lg {
    width: auto;
  }
}

/* États */
.btn-loading {
  position: relative;
  color: transparent;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ======================== INPUTS & FORMS ======================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.form-label {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-slate-700);
}

.form-control {
  width: 100%;
  padding: var(--space-md) var(--space-md);
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-slate-900);
  background: var(--color-white);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px var(--color-primary-50), 0 0 0 5px var(--color-primary-500);
}

.form-control:disabled {
  background: var(--color-slate-50);
  color: var(--color-slate-500);
  cursor: not-allowed;
}

.form-control::placeholder {
  color: var(--color-slate-400);
}

.form-control.is-error {
  border-color: var(--color-error);
  background: rgba(220, 38, 38, 0.02);
}

.form-control.is-error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1), 0 0 0 5px var(--color-error);
}

.form-control.is-success {
  border-color: var(--color-success);
  background: rgba(22, 163, 74, 0.02);
}

.form-control.is-success:focus {
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1), 0 0 0 5px var(--color-success);
}

.form-error {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-sm);
}

.form-helper {
  font-size: var(--font-size-xs);
  color: var(--color-slate-500);
  margin-top: var(--space-sm);
}

/* ======================== BADGES ======================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.badge-neutral {
  background: var(--color-slate-100);
  color: var(--color-slate-800);
}

.badge-success {
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-success);
}

.badge-warning {
  background: rgba(202, 138, 4, 0.1);
  color: var(--color-warning);
}

.badge-error {
  background: rgba(220, 38, 38, 0.1);
  color: var(--color-error);
}

.badge-info {
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-info);
}

/* ======================== CARDS ======================== */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-slate-300);
  box-shadow: var(--shadow-md);
}

.card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-slate-200);
}

.card-body {
  margin-bottom: var(--space-md);
}

.card-footer {
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-slate-200);
}

/* ======================== BREADCRUMBS ======================== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-slate-500);
  list-style: none;
  margin-bottom: var(--space-lg);
  overflow-x: auto;
  white-space: nowrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.breadcrumb-item a {
  color: var(--color-slate-500);
}

.breadcrumb-item a:hover {
  color: var(--color-primary-600);
}

.breadcrumb-item.active {
  color: var(--color-slate-900);
  font-weight: var(--font-weight-medium);
}

.breadcrumb-item:not(:last-child)::after {
  content: '/';
  color: var(--color-slate-300);
  margin-left: var(--space-xs);
}

/* ======================== GRILLES ======================== */
.grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ======================== RESPONSIVE UTILITIES ======================== */
.hidden-mobile {
  display: none;
}

@media (min-width: 640px) {
  .hidden-mobile {
    display: block;
  }
  
  .hidden-desktop {
    display: none;
  }
}

.visible-mobile {
  display: block;
}

@media (min-width: 640px) {
  .visible-mobile {
    display: none;
  }
}

/* ======================== SECTIONS ======================== */
.section {
  padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-section) 0;
  }
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-slate-900);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

/* ======================== LOADING & ANIMATIONS ======================== */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-slate-200);
  border-top-color: var(--color-primary-600);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.3s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.3s ease-out;
}

/* ======================== NOTIFICATION CONTAINER ======================== */
#notification-container {
  position: fixed !important;
  top: 20px !important;
  right: 20px !important;
  z-index: 9999 !important;
  max-width: 400px !important;
  width: 90vw !important;
}

/* ======================== ALERTS / NOTIFICATIONS ======================== */
.alert {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-sm);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  animation: slideInRight 0.3s ease-out;
  background-color: var(--color-slate-50);
  border-color: var(--color-slate-300);
  color: var(--color-slate-800);
  box-shadow: var(--shadow-md);
}

.alert-success {
  background-color: var(--color-green-50);
  border-color: var(--color-success);
  color: var(--color-green-800);
}

.alert-danger {
  background-color: #FEE2E2;
  border-color: var(--color-error);
  color: #991B1B;
}

.alert-warning {
  background-color: var(--color-yellow-50);
  border-color: var(--color-warning);
  color: var(--color-yellow-800);
}

.alert-info {
  background-color: #EFF6FF;
  border-color: var(--color-info);
  color: #1E40AF;
}

/* ======================== MESSAGES/TOAST ======================== */
.toast {
  position: fixed;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-slate-900);
  color: var(--color-white);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 50;
  animation: slideInRight 0.3s ease-out;
}

.toast-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-success);
}

.toast-content h4 {
  margin: 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: 4px;
}

.toast-content p {
  margin: 0;
  font-size: var(--font-size-xs);
  color: var(--color-slate-400);
}

/* ======================== MODALS ======================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.3);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}

.modal {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  z-index: 50;
  width: 100%;
  max-width: 448px;
  background: var(--color-white);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.3s ease-out;
}

@media (max-width: 512px) {
  .modal {
    max-width: 100%;
  }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-slate-100);
}

.modal-header h2 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.modal-body {
  flex: 1;
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-slate-100);
  display: flex;
  gap: var(--space-md);
}

.modal-close {
  width: var(--touch-min);
  height: var(--touch-min);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-slate-400);
  transition: color var(--transition-base);
}

.modal-close:hover {
  color: var(--color-slate-500);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ======================== LANGUAGE SELECTOR ======================== */
.navbar-language {
  position: relative;
  display: flex;
  align-items: center;
}

.navbar-language-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  color: var(--color-slate-600);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-base), background-color var(--transition-base);
  border-radius: 6px;
}

.navbar-language-btn:hover {
  color: var(--color-primary-600);
  background-color: var(--color-slate-100);
}

.lang-flag {
  font-size: 18px;
  display: flex;
  align-items: center;
}

.lang-name {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.navbar-language-btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-base);
}

.navbar-language-btn[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.navbar-language-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: 8px;
  min-width: 160px;
  margin-top: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 100;
  animation: fadeIn 0.2s ease;
  display: none;
}

.navbar-language-menu[data-hidden="false"] {
  display: block;
}

.navbar-language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  color: var(--color-slate-600);
  text-decoration: none;
  font-size: 14px;
  transition: background-color var(--transition-base), color var(--transition-base);
  border-left: 3px solid transparent;
}

.navbar-language-option:first-child {
  border-radius: 8px 8px 0 0;
}

.navbar-language-option:last-child {
  border-radius: 0 0 8px 8px;
}

.navbar-language-option:hover {
  background-color: var(--color-slate-50);
  color: var(--color-primary-600);
}

.navbar-language-option.active {
  background-color: var(--color-primary-50);
  color: var(--color-primary-600);
  border-left-color: var(--color-primary-600);
}

.lang-flag-option {
  font-size: 16px;
  display: flex;
  align-items: center;
}

/* Mobile Responsive */
@media (max-width: 639px) {
  .navbar-language-btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  .lang-name {
    display: none;
  }

  .navbar-language-menu {
    right: -20px;
    min-width: 140px;
  }

  .navbar-language-option {
    padding: 8px 12px;
    font-size: 13px;
  }
}

/* ======================== DÉSACTIVATION COMPLÈTE DU HAMBURGER DYNAMIQUE ======================== */
.mobile-menu-toggle {
  display: none !important;
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  pointer-events: none !important;
}