/* ===== VARIABLES CSS ===== */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --transition: all 0.3s ease;
}

/* ===== STYLES GLOBAUX ===== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    color: #495057;
    line-height: 1.6;
}

.min-vh-100 {
    min-height: 100vh !important;
}

/* ===== NAVIGATION ===== */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.navbar .dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius);
}

.navbar .dropdown-item {
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0.25rem;
}

.navbar .dropdown-item:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* ===== CARTES ===== */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    background: var(--primary-color);
    color: white;
    border-bottom: none;
    padding: 1.25rem;
    font-weight: 600;
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
    color: white;
    margin-bottom: 0;
}

/* ===== BOUTONS ===== */
.btn {
    border-radius: 25px;
    font-weight: 500;
    padding: 0.625rem 1.5rem;
    transition: var(--transition);
    border: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

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

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

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

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

.btn-outline-primary:hover,
.btn-outline-success:hover,
.btn-outline-danger:hover,
.btn-outline-warning:hover,
.btn-outline-info:hover {
    transform: translateY(-2px);
}

/* ===== FORMULAIRES ===== */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* ===== TABLEAUX ===== */
.table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    background: var(--primary-color);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

.table td {
    vertical-align: middle;
    padding: 1rem;
    border-color: #f1f3f4;
}

/* ===== BADGES ===== */
.badge {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

/* ===== ALERTES ===== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* ===== MODALS ===== */
.modal-content {
    border: none;
    border-radius: 15px;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

.modal-header {
    background: var(--primary-color);
    color: white;
    border-bottom: none;
    border-radius: 15px 15px 0 0;
}

.modal-title {
    color: white;
}

.btn-close {
    filter: invert(1);
}

/* ===== DASHBOARD ===== */
.dashboard-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.dashboard-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* ===== PROFIL UTILISATEUR ===== */
.profile-picture {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 4px solid white;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.profile-card {
    background: var(--primary-color);
    color: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

/* ===== PRÉSENCES ===== */
.presence-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.presence-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.presence-indicator.present {
    background-color: var(--success-color);
}

.presence-indicator.absent {
    background-color: var(--danger-color);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

.user-role {
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    display: inline-block;
    font-weight: 500;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .container-fluid {
        padding: 1rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }

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

    .navbar-nav {
        text-align: center;
    }

    .dashboard-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .dashboard-icon {
        font-size: 2rem;
    }
}

@media (max-width: 576px) {
    .profile-picture {
        width: 80px;
        height: 80px;
    }

    .modal-dialog {
        margin: 1rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* ===== UTILITAIRES ===== */
.text-primary-custom {
    color: var(--primary-color);
}

.bg-primary-custom {
    background: var(--primary-color);
}

.shadow-custom {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.border-radius-custom {
    border-radius: var(--border-radius);
}

/* ===== STYLES SPÉCIAUX POUR LES ÉTATS ===== */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== AMÉLIORATIONS VISUELLES ===== */
.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

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

.hover-lift:hover {
    transform: translateY(-3px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.directory-header {
    background: var(--primary-color);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}