/**
 * SHOPDRIVE - Styles CSS
 * Design mobile-first avec couleur principale #2a9d8f
 */

/* ============================================
   VARIABLES CSS & CHARTE GRAPHIQUE
   ============================================ */
:root {
    /* Couleurs principales */
    --primary-color: #2a9d8f;
    --primary-dark: #238276;
    --primary-light: #3db5a5;
    --primary-lighter: #e8f5f3;
    
    /* Couleurs secondaires */
    --secondary-color: #264653;
    --accent-color: #e76f51;
    --warning-color: #f4a261;
    --success-color: #2a9d8f;
    --danger-color: #e63946;
    --info-color: #457b9d;
    
    /* Couleurs neutres */
    --dark: #1a1a1a;
    --gray-dark: #4a4a4a;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --light: #f8f9fa;
    --white: #ffffff;
    
    /* Typographie */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --line-height: 1.6;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Bordures */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-width: 1px;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(42, 157, 143, 0.08);
    --shadow-md: 0 4px 12px rgba(42, 157, 143, 0.12);
    --shadow-lg: 0 8px 24px rgba(42, 157, 143, 0.16);
    --shadow-xl: 0 12px 32px rgba(42, 157, 143, 0.2);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

html {
    font-size: var(--font-size-base);
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--dark);
    background-color: var(--light);
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

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

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

a:hover {
    color: var(--primary-dark);
}

/* ============================================
   BOUTONS - OVERRIDE BOOTSTRAP
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: 48px; /* Touch-friendly */
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* Bouton primaire */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #1a6b60 100%);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--white);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Bouton secondaire */
.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #1a3240;
    color: var(--white);
}

/* Bouton outline */
.btn-outline-primary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Bouton danger */
.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #d62839;
    color: var(--white);
}

/* Bouton success */
.btn-success {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background-color: var(--primary-dark);
    color: var(--white);
}

/* Bouton warning */
.btn-warning {
    background-color: var(--warning-color);
    color: var(--white);
}

.btn-warning:hover {
    background-color: #e89450;
    color: var(--white);
}

/* Bouton info */
.btn-info {
    background-color: var(--info-color);
    color: var(--white);
}

.btn-info:hover {
    background-color: #3a6a87;
    color: var(--white);
}

/* Bouton light */
.btn-light {
    background-color: var(--light);
    color: var(--dark);
    border: 1px solid var(--gray-light);
}

.btn-light:hover {
    background-color: var(--gray-light);
    color: var(--dark);
}

/* Tailles de boutons */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    min-height: 40px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    min-height: 56px;
}

/* Bouton bloc (pleine largeur) */
.btn-block {
    width: 100%;
    display: flex;
}

/* Groupe de boutons */
.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

/* ============================================
   FORMULAIRES - OPTIMISÉS MOBILE
   ============================================ */
.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--dark);
    background-color: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    min-height: 48px; /* Touch-friendly */
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    outline: 0;
    box-shadow: 0 0 0 4px var(--primary-lighter);
    background-color: var(--white);
}

.form-control::placeholder {
    color: var(--gray);
    opacity: 0.7;
}

/* Textarea */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Label */
.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.form-label.required::after {
    content: '*';
    color: var(--danger-color);
    margin-left: 4px;
}

/* Input group */
.input-group {
    display: flex;
    gap: 0;
    position: relative;
}

.input-group .form-control {
    border-radius: 0;
    flex: 1;
}

.input-group .form-control:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.input-group .form-control:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    background-color: var(--primary-lighter);
    border: 2px solid var(--gray-light);
    color: var(--primary-color);
    font-weight: 500;
}

.input-group-text:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
    border-right: 0;
}

.input-group-text:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    border-left: 0;
}

/* Checkbox & Radio - Touch-friendly */
.form-check {
    display: flex;
    align-items: center;
    padding-left: 0;
    margin-bottom: var(--spacing-md);
    min-height: 48px;
}

.form-check-input {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
    border: 2px solid var(--gray-light);
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-lighter);
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* Switch */
.form-switch .form-check-input {
    width: 48px;
    height: 24px;
    border-radius: 24px;
    background-image: none;
    background-color: var(--gray-light);
    position: relative;
}

.form-switch .form-check-input:checked {
    background-color: var(--primary-color);
}

.form-switch .form-check-input::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    transition: transform var(--transition-base);
}

.form-switch .form-check-input:checked::after {
    transform: translateX(24px);
}

/* Messages d'erreur */
.invalid-feedback {
    display: block;
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
}

/* Messages de succès */
.valid-feedback {
    display: block;
    color: var(--success-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-control.is-valid {
    border-color: var(--success-color);
}

/* ============================================
   CARTES (CARDS)
   ============================================ */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: none;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 1rem 1.25rem;
    border-bottom: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background-color: var(--light);
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--gray-light);
}

.card-title {
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    font-size: 1.125rem;
}

/* Card interactive */
.card-clickable {
    cursor: pointer;
}

.card-clickable:active {
    transform: scale(0.98);
}

/* ============================================
   BADGES
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35em 0.75em;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    line-height: 1;
    gap: 0.25rem;
}

.badge-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.badge-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.badge-success {
    background-color: var(--success-color);
    color: var(--white);
}

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

.badge-warning {
    background-color: var(--warning-color);
    color: var(--white);
}

.badge-info {
    background-color: var(--info-color);
    color: var(--white);
}

.badge-light {
    background-color: var(--light);
    color: var(--dark);
}

/* Badge avec point */
.badge-dot {
    padding-left: 1.5rem;
    position: relative;
}

.badge-dot::before {
    content: '';
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ============================================
   ALERTES
   ============================================ */
.alert {
    padding: 1rem 1.25rem;
    margin-bottom: var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    border-left: 4px solid;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-success {
    background-color: #d4f4dd;
    border-left-color: var(--success-color);
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    border-left-color: var(--danger-color);
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    border-left-color: var(--warning-color);
    color: #664d03;
}

.alert-info {
    background-color: #cfe2ff;
    border-left-color: var(--info-color);
    color: #084298;
}

.alert-dismissible {
    padding-right: 3rem;
    position: relative;
}

.btn-close {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
}

/* ============================================
   NAVIGATION & HEADER
   ============================================ */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    box-shadow: var(--shadow-md);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.navbar-brand:hover {
    color: var(--white);
}

.navbar-nav {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 44px;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

/* Menu mobile hamburger */
.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: transparent;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    justify-content: center;
}

.navbar-toggler span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: all var(--transition-base);
}

.navbar-toggler.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggler.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggler.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   SIDEBAR MOBILE
   ============================================ */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-xl);
    transition: left var(--transition-base);
    z-index: var(--z-modal);
    overflow-y: auto;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 1.5rem 1rem;
    color: var(--white);
}

.sidebar-menu {
    padding: 1rem 0;
}

.sidebar-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0.875rem 1.25rem;
    color: var(--dark);
    transition: all var(--transition-fast);
    cursor: pointer;
    min-height: 48px;
}

.sidebar-menu-item:hover,
.sidebar-menu-item.active {
    background-color: var(--primary-lighter);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.sidebar-menu-item i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

/* Overlay pour fermer sidebar */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   TABLEAUX - RESPONSIVE
   ============================================ */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--border-radius);
}

.table {
    width: 100%;
    margin-bottom: 0;
    background-color: var(--white);
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    font-weight: 600;
    padding: 1rem;
    text-align: left;
    border: none;
    white-space: nowrap;
}

.table tbody td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-light);
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: var(--primary-lighter);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Table striped */
.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(42, 157, 143, 0.03);
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.page-item {
    list-style: none;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem 0.875rem;
    background-color: var(--white);
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius-sm);
    color: var(--primary-color);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background-color: var(--primary-lighter);
    border-color: var(--primary-color);
    color: var(--primary-dark);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ============================================
   MODALES - BOOTSTRAP NATIF UNIQUEMENT
   ============================================ */
.modal-content {
    border: none;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-bottom: none;
    border-radius: 16px 16px 0 0;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e8ecef;
    border-radius: 0 0 16px 16px;
}

/* ============================================
   LOADING & SPINNERS
   ============================================ */
.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--primary-lighter);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

/* ============================================
   STATISTIQUES & DASHBOARD
   ============================================ */
.stat-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light) 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.stat-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-card-label {
    color: var(--gray);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   LISTES D'ITEMS (Commandes, Produits, etc)
   ============================================ */
.item-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.item-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    cursor: pointer;
    transition: all var(--transition-base);
    border-left: 4px solid transparent;
}

.item-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
    border-left-color: var(--primary-color);
}

.item-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-lighter);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.item-card-content {
    flex: 1;
    min-width: 0;
}

.item-card-title {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--gray);
}

.item-card-action {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* ============================================
   BOTTOM NAV MOBILE
   ============================================ */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -2px 12px rgba(42, 157, 143, 0.12);
    display: flex;
    justify-content: space-around;
    padding: 0.5rem 0;
    z-index: var(--z-fixed);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 0.5rem;
    color: var(--gray);
    text-decoration: none;
    transition: all var(--transition-fast);
    min-height: 64px;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--primary-color);
}

.bottom-nav-item i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.bottom-nav-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

.bottom-nav-item.active {
    background: linear-gradient(to top, var(--primary-lighter) 0%, transparent 100%);
}

/* ============================================
   FLOATING ACTION BUTTON (FAB)
   ============================================ */
.fab {
    position: fixed;
    bottom: 80px;
    right: 1rem;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.fab:hover {
    box-shadow: var(--shadow-xl);
    transform: scale(1.1) rotate(90deg);
}

.fab:active {
    transform: scale(0.95);
}

/* ============================================
   UTILITAIRES
   ============================================ */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--gray) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-light { background-color: var(--light) !important; }
.bg-white { background-color: var(--white) !important; }

.border-primary { border-color: var(--primary-color) !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.mb-safe { margin-bottom: calc(64px + 1rem) !important; } /* Pour bottom nav */

/* ============================================
   RESPONSIVE - DESKTOP
   ============================================ */
@media (min-width: 768px) {
    :root {
        --font-size-base: 15px;
    }
    
    .sidebar {
        left: 0;
        width: 260px;
    }
    
    .main-content {
        margin-left: 260px;
    }
    
    .bottom-nav {
        display: none;
    }
    
    .fab {
        bottom: 2rem;
    }
    
    .navbar-toggler {
        display: none;
    }
    
    .modal-dialog {
        max-width: 600px;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
    }
    
    .sidebar {
        width: 280px;
    }
    
    .main-content {
        margin-left: 280px;
    }
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.slide-in-left {
    animation: slideInLeft 0.3s ease-out;
}

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



/* ============================================
   IMPRESSION
   ============================================ */
@media print {
    .no-print,
    .navbar,
    .sidebar,
    .bottom-nav,
    .fab,
    .btn,
    .pagination {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card,
    .table {
        box-shadow: none;
        page-break-inside: avoid;
    }
}