/**
 * MenuPlanner - Styles principaux
 * 
 * @package MenuPlanner
 * @version 1.0.0
 */

/* ====================================
   Variables CSS
   ==================================== */

:root {
  /* Couleurs principales */
  --primary: #0d6efd;
  --secondary: #6c757d;
  --success: #198754;
  --info: #0dcaf0;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #212529;
  --white: #ffffff;
  --gray: #6c757d;
  --gray-dark: #343a40;
  
  /* Couleurs personnalisées */
  --menu-primary: #2c3e50;
  --menu-secondary: #34495e;
  --menu-accent: #3498db;
  --menu-success: #27ae60;
  --menu-warning: #f39c12;
  --menu-danger: #e74c3c;
  
  /* Espacements */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Typographie */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Bordures */
  --border-radius: 0.375rem;
  --border-radius-sm: 0.25rem;
  --border-radius-lg: 0.5rem;
  --border-radius-xl: 1rem;
  
  /* Ombres */
  --shadow-sm: 0 0.125rem 0.25rem rgba(0,0,0,0.075);
  --shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
  --shadow-lg: 0 1rem 3rem rgba(0,0,0,0.175);
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Mode sombre */
[data-bs-theme="dark"] {
  --primary: #4a90e2;
  --menu-primary: #1a252f;
  --menu-secondary: #2c3e50;
  --menu-accent: #5dade2;
}

/* ====================================
   Reset et Base
   ==================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--light);
  padding-top: 60px; /* Pour la navbar fixe */
  padding-bottom: 60px; /* Pour la navbar mobile bottom */
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

/* ====================================
   Typography
   ==================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.page-header {
  border-bottom: 2px solid var(--primary);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.section-title {
  position: relative;
  padding-bottom: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background-color: var(--primary);
  border-radius: var(--border-radius);
}

/* ====================================
   Navigation
   ==================================== */

.navbar {
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.navbar-brand {
  font-weight: bold;
  font-size: 1.25rem;
}

.navbar-nav .nav-link {
  padding: 0.5rem 1rem;
  transition: var(--transition-fast);
  position: relative;
}

.navbar-nav .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
}

.navbar-nav .nav-link.active {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
}

.navbar-nav .nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background-color: white;
  border-radius: var(--border-radius);
}

/* Navigation mobile bottom */
.nav-link-mobile {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem;
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition-fast);
}

.nav-link-mobile:hover,
.nav-link-mobile.active {
  color: var(--primary);
}

.nav-link-mobile i {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

/* ====================================
   Cards
   ==================================== */

.card {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.card-header {
  font-weight: 600;
  border-bottom: 2px solid var(--light);
}

.card-footer {
  background-color: rgba(0, 0, 0, 0.03);
}

/* Cards statistiques */
.stat-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
  color: white;
}

.stat-card .display-6 {
  font-weight: bold;
}

.stat-card small {
  opacity: 0.9;
}

/* ====================================
   Formulaires
   ==================================== */

.form-control,
.form-select {
  border-radius: var(--border-radius);
  border: 1px solid #dee2e6;
  transition: var(--transition-fast);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.form-label {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.form-text {
  font-size: 0.875rem;
  color: var(--gray);
}

/* Validation */
.was-validated .form-control:valid,
.form-control.is-valid {
  border-color: var(--success);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23198754' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 8l2 2 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
  padding-right: calc(1.5em + 0.75rem);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
  border-color: var(--danger);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23dc3545' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M8 4v4m0 4h.01'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
  padding-right: calc(1.5em + 0.75rem);
}

/* Champ de recherche */
.search-box {
  position: relative;
}

.search-box .form-control {
  padding-left: 2.5rem;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray);
}

/* ====================================
   Boutons
   ==================================== */

.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: var(--transition-fast);
  padding: 0.5rem 1rem;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
  border: none;
}

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, var(--menu-success) 100%);
  border: none;
}

.btn-group-vertical .btn {
  border-radius: 0;
}

.btn-group-vertical .btn:first-child {
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.btn-group-vertical .btn:last-child {
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* Bouton flottant */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: var(--z-fixed);
  transition: var(--transition);
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* ====================================
   Tables
   ==================================== */

.table {
  border-radius: var(--border-radius);
  overflow: hidden;
}

.table thead th {
  background-color: var(--light);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  border-bottom: 2px solid var(--primary);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.02);
  cursor: pointer;
}

.table-responsive {
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

/* ====================================
   Badges
   ==================================== */

.badge {
  padding: 0.35em 0.65em;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.badge-category {
  background: linear-gradient(135deg, var(--info) 0%, var(--menu-accent) 100%);
}

/* ====================================
   Planning Calendar
   ==================================== */

.planning-calendar {
  table-layout: fixed;
  background: white;
}

.planning-calendar td {
  height: 120px;
  vertical-align: top;
  position: relative;
  border: 1px solid #e9ecef;
  padding: var(--spacing-sm);
}

.planning-calendar .planning-day {
  transition: var(--transition-fast);
}

.planning-calendar .planning-day:hover {
  background-color: var(--light);
}

.planning-calendar .table-primary {
  background-color: rgba(13, 110, 253, 0.1);
}

.day-header {
  border-bottom: 1px solid #dee2e6;
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.meal-slot {
  padding: var(--spacing-xs);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--spacing-xs);
  transition: var(--transition-fast);
}

.meal-slot:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.meal-midi {
  border-left: 3px solid var(--warning);
}

.meal-soir {
  border-left: 3px solid var(--info);
}

.menu-item {
  background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  margin-top: var(--spacing-xs);
}

.menu-name {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

/* ====================================
   Shopping List
   ==================================== */

.shopping-list .card {
  margin-bottom: var(--spacing-md);
}

.shopping-list .card-header {
  font-weight: bold;
  color: white;
}

.shopping-list .form-check {
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.shopping-list .form-check:hover {
  background-color: var(--light);
}

.shopping-list .form-check-input {
  width: 1.5em;
  height: 1.5em;
  margin-top: 0;
  cursor: pointer;
}

.shopping-list .form-check-label {
  cursor: pointer;
  user-select: none;
  margin-left: var(--spacing-sm);
}

/* ====================================
   Menus Grid
   ==================================== */

.menu-card {
  transition: var(--transition);
  height: 100%;
}

.menu-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.menu-card .card-img-top {
  height: 150px;
  object-fit: cover;
}

.menu-card .badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
}

/* ====================================
   Avatar
   ==================================== */

.avatar-circle {
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-initials {
  color: white;
  font-size: 36px;
  font-weight: bold;
}

/* ====================================
   Timeline
   ==================================== */

.timeline {
  position: relative;
  padding-left: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 5px;
  height: calc(100% - 5px);
  width: 2px;
  background: var(--gray);
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-marker {
  position: absolute;
  left: -24px;
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border: 2px solid white;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.timeline-content {
  background: var(--light);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

/* ====================================
   Progress
   ==================================== */

.progress {
  height: 1.5rem;
  background-color: #e9ecef;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary) 0%, var(--menu-accent) 100%);
  transition: width 0.6s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

/* ====================================
   Toasts
   ==================================== */

.toast {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.toast-header {
  background-color: var(--light);
  border-bottom: 1px solid rgba(0,0,0,0.1);
  font-weight: 600;
}

/* ====================================
   Modals
   ==================================== */

.modal-content {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
  color: white;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
}

.modal-footer {
  background-color: var(--light);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

/* ====================================
   Dropdowns
   ==================================== */

.dropdown-menu {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  padding: var(--spacing-sm);
}

.dropdown-item {
  border-radius: var(--border-radius-sm);
  padding: 0.5rem 1rem;
  transition: var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--light);
}

.dropdown-item.active,
.dropdown-item:active {
  background-color: var(--primary);
}

.dropdown-divider {
  margin: var(--spacing-sm) 0;
}

/* ====================================
   Alerts
   ==================================== */

.alert {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid;
}

.alert-primary {
  background-color: rgba(13, 110, 253, 0.1);
  border-left-color: var(--primary);
}

.alert-success {
  background-color: rgba(25, 135, 84, 0.1);
  border-left-color: var(--success);
}

.alert-warning {
  background-color: rgba(255, 193, 7, 0.1);
  border-left-color: var(--warning);
}

.alert-danger {
  background-color: rgba(220, 53, 69, 0.1);
  border-left-color: var(--danger);
}

.alert-info {
  background-color: rgba(13, 202, 240, 0.1);
  border-left-color: var(--info);
}

/* ====================================
   Spinners
   ==================================== */

.spinner-border {
  width: 3rem;
  height: 3rem;
  border-width: 0.3rem;
}

.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2rem;
}

/* ====================================
   Utilities
   ==================================== */

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
}

.bg-gradient-success {
  background: linear-gradient(135deg, var(--success) 0%, var(--menu-success) 100%);
}

.bg-gradient-info {
  background: linear-gradient(135deg, var(--info) 0%, #17a2b8 100%);
}

.bg-gradient-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #ff9800 100%);
}

.bg-gradient-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #c82333 100%);
}

.shadow-hover {
  transition: var(--transition);
}

.shadow-hover:hover {
  box-shadow: var(--shadow-lg);
}

.border-gradient {
  border-image: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
  border-image-slice: 1;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--menu-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====================================
   Animations
   ==================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.slide-in-left {
  animation: slideInLeft 0.5s ease-in-out;
}

.slide-in-right {
  animation: slideInRight 0.5s ease-in-out;
}

.pulse {
  animation: pulse 2s infinite;
}

/* ====================================
   Print Styles
   ==================================== */

@media print {
  .navbar,
  .footer,
  .btn,
  .card-header,
  .card-footer,
  .no-print {
    display: none !important;
  }
  
  body {
    padding: 0;
  }
  
  .card {
    box-shadow: none;
    page-break-inside: avoid;
  }
  
  .shopping-list .form-check-input {
    border: 2px solid #000 !important;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}

/* ====================================
   Loading Overlay
   ==================================== */

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

/* ====================================
   Custom Scrollbar
   ==================================== */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--light);
}

::-webkit-scrollbar-thumb {
  background: var(--gray);
  border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-dark);
}

/* ====================================
   Accessibility
   ==================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --primary: #0052cc;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0,0,0,0.3);
    --shadow: 0 0.5rem 1rem rgba(0,0,0,0.4);
  }
}

/* Navigation des onglets latérale */
.settings-page .nav-pills {
    gap: 0.5rem;
}

.settings-page .nav-pills .nav-link {
    text-align: left;
    border-radius: 0.375rem;
    padding: 0.75rem 1rem;
    color: var(--bs-body-color);
    transition: all 0.2s ease-in-out;
}

.settings-page .nav-pills .nav-link:hover {
    background-color: var(--bs-light);
}

.settings-page .nav-pills .nav-link.active {
    background-color: var(--bs-primary);
    color: white;
}

.settings-page .nav-pills .nav-link i {
    width: 1.25rem;
}

/* Contenu des onglets */
.settings-page .tab-content {
    min-height: 400px;
}

.settings-page .tab-pane {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Formulaires */
.settings-page .form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.settings-page .form-text {
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Sections conditionnelles */
.settings-page #notificationSettings,
.settings-page #geminiSettings {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--bs-border-color);
}

/* Boutons d'actions */
.settings-page .btn-group {
    gap: 0.5rem;
}

/* Tables */
.settings-page .table {
    margin-bottom: 0;
}

.settings-page .table td {
    vertical-align: middle;
}

/* Cards */
.settings-page .card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid var(--bs-border-color);
}

.settings-page .card-header {
    background-color: var(--bs-light);
    border-bottom: 1px solid var(--bs-border-color);
}

/* Responsive */
@media (max-width: 991.98px) {
    .settings-page .nav-pills {
        flex-direction: row;
        flex-wrap: wrap;
        margin-bottom: 1.5rem;
    }
    
    .settings-page .nav-pills .nav-link {
        flex: 1;
        min-width: 150px;
    }
}

@media (max-width: 575.98px) {
    .settings-page .nav-pills .nav-link {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }
    
    .settings-page .nav-pills .nav-link i {
        display: none;
    }
}