:root {
    --primary-color: #1a365d;
    --secondary-color: #2d3748;
    --accent-color: #3182ce;
    --success-color: #38a169;
    --warning-color: #d69e2e;
    --danger-color: #e53e3e;
    --info-color: #3182ce;
    --light-gray: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.12);
    --border-radius: 8px;
}

body {
    background-color: var(--light-gray);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
}

.navbar-brand {
    font-weight: 600;
    color: white !important;
    font-size: 1.25rem;
}

.navbar {
    background-color: var(--primary-color) !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.sidebar {
    min-height: 100vh;
    background-color: white;
    border-right: 1px solid var(--border-color);
    box-shadow: 2px 0 4px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
}

.sidebar.collapsed {
    transform: translateX(-100%);
    margin-left: -100%;
}

.col-md-9, .col-lg-10 {
    transition: all 0.3s ease;
}

.col-md-9.expanded, .col-lg-10.expanded {
    flex: 0 0 100%;
    max-width: 100%;
}

.sidebar .nav-link {
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 6px;
    margin: 2px 8px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    color: var(--accent-color);
    background-color: #f7fafc;
}

.sidebar .nav-link.active {
    color: var(--accent-color);
    background-color: #ebf8ff;
    border-left: 3px solid var(--accent-color);
}

.sidebar .nav-link i {
    margin-right: 12px;
    width: 16px;
    text-align: center;
}

.main-content {
    padding: 20px;
    background-color: var(--light-gray);
}

/* ===== NOUVEAU DESIGN DES CARTES PROFESSIONNELLES ===== */

.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    background-color: white;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* ===== STYLES POUR LA VÉRIFICATION DU TÉLÉPHONE ===== */

.phone-check-group {
    position: relative;
}

.phone-check-group .input-group {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.phone-check-group .btn-check {
    border-left: 1px solid var(--border-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    transition: all 0.2s ease;
}

.phone-check-group .btn-check:hover {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.phone-check-group .btn-check:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.phone-check-group .btn-check .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.phone-status {
    margin-top: 8px;
    font-size: 0.875rem;
}

.phone-status .alert {
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 0;
}

.phone-status .alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.phone-status .alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.phone-status .alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

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

.card-header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.card-header h5 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header i {
    margin-right: 8px;
    color: var(--accent-color);
}

.card-body {
    padding: 1.5rem;
    color: var(--text-secondary);
}

/* ===== CARTES DE STATISTIQUES PROFESSIONNELLES ===== */

.stats-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    height: 100%;
}

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

.stats-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.stats-card p {
    color: var(--text-muted);
    font-weight: 500;
    margin: 0;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-card .bg-primary {
    background-color: var(--accent-color) !important;
}

.stats-card .bg-success {
    background-color: var(--success-color) !important;
}

.stats-card .bg-warning {
    background-color: var(--warning-color) !important;
}

.stats-card .bg-info {
    background-color: var(--info-color) !important;
}

.stats-card .bg-danger {
    background-color: var(--danger-color) !important;
}

.stats-card .bg-secondary {
    background-color: var(--text-muted) !important;
}

/* ===== CARTES DE CONTENU PROFESSIONNELLES ===== */

.content-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.content-card .card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.content-card .card-header h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin: 0;
}

/* ===== CARTES DE LISTE PROFESSIONNELLES ===== */

.list-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

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

.list-card .list-group-item {
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    background: transparent;
}

.list-card .list-group-item:last-child {
    border-bottom: none;
}

.list-card .list-group-item:hover {
    background-color: #f8fafc;
}

/* ===== CARTES DE FORMULAIRE PROFESSIONNELLES ===== */

.form-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

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

.form-card .card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

/* ===== CARTES DE DÉTAIL PROFESSIONNELLES ===== */

.detail-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

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

.detail-card .card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

/* ===== BOUTONS PROFESSIONNELS ===== */

.btn {
    border-radius: 6px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.btn-primary:hover {
    background-color: #2c5aa0;
    border-color: #2c5aa0;
    color: white;
}

.btn-secondary {
    background-color: var(--text-muted);
    border-color: var(--text-muted);
    color: white;
}

.btn-secondary:hover {
    background-color: #4a5568;
    border-color: #4a5568;
    color: white;
}

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

.btn-success:hover {
    background-color: #2f855a;
    border-color: #2f855a;
    color: white;
}

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

.btn-warning:hover {
    background-color: #b7791f;
    border-color: #b7791f;
    color: white;
}

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

.btn-danger:hover {
    background-color: #c53030;
    border-color: #c53030;
    color: white;
}

.btn-outline-primary {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background-color: transparent;
}

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

.btn-outline-warning {
    color: var(--warning-color);
    border-color: var(--warning-color);
    background-color: transparent;
}

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

.btn-outline-danger {
    color: var(--danger-color);
    border-color: var(--danger-color);
    background-color: transparent;
}

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

/* ===== ALERTES PROFESSIONNELLES ===== */

.alert {
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

/* ===== TABLEAUX PROFESSIONNELS ===== */

.table {
    color: var(--text-secondary);
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8fafc;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* ===== BADGES PROFESSIONNELS ===== */

.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
}

/* ===== FORMULAIRES PROFESSIONNELS ===== */

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(49, 130, 206, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* ===== DROPDOWN PROFESSIONNELS ===== */

.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-hover);
    padding: 0.5rem 0;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8fafc;
    color: var(--text-primary);
}

/* ===== NAVIGATION PROFESSIONNELLE ===== */

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: white;
}

/* ===== RESPONSIVE DESIGN ===== */

@media (max-width: 768px) {
    .main-content {
        padding: 12px;
    }
    
    .stats-card {
        margin-bottom: 0.75rem;
    }
    
    .card-body {
        padding: 0.875rem;
    }
}

/* ===== BOUTON SIDEBAR TOGGLE ===== */

#sidebarToggle {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.25rem;
    padding: 0.5rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

#sidebarToggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
}

#sidebarToggle:focus {
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

/* ===== SIDEBAR RESPONSIVE ===== */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        width: 100%;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .sidebar-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .sidebar-backdrop.show {
        opacity: 1;
        visibility: visible;
    }
}

@media (min-width: 769px) {
    .sidebar {
        position: sticky;
        top: 0;
        height: calc(100vh - 56px);
        overflow-y: auto;
    }
    
    .sidebar.collapsed {
        transform: translateX(-100%);
        margin-left: -100%;
    }
}