/* Variables CSS */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* Styles généraux */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navigation personnalisée */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
}

/* Cards avec effet moderne */
.card {
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.card-header.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px 15px 0 0 !important;
}

/* Inputs modernes */
.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.input-group-text {
    background-color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 10px 0 0 10px;
}

/* Boutons modernes */
.btn {
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: #1877f2;
    border: none;
}

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

/* Alertes personnalisées */
.alert {
    border-radius: 10px;
    border: none;
    animation: slideDown 0.5s ease;
}


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

/* Tables modernes */
.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Dashboard cards */
.dashboard-card {
    border-radius: 15px;
    padding: 2rem;
    color: white;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.dashboard-card i {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 3rem;
    opacity: 0.3;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.bg-gradient-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.bg-gradient-info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Messages de chat */
.message-item {
    background-color: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.message-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.admin-response {
    background-color: lightskyblue;
    border-left: 8px solid #1877f2;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 5px;
}

/* Footer */
footer {
    margin-top: auto;

}

/* Responsive */
@media (max-width: 768px) {
    .card {
        margin: 0 10px;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .dashboard-card {
        margin-bottom: 1rem;
        padding: 1.5rem;
    }
    
    .dashboard-card i {
        font-size: 2rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .message-item {
        padding: 1rem;
    }
}

/* Animation de chargement */
.spinner-border {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Badges personnalisés */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
}

/* Login page spécifique */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    max-width: 400px;
    width: 100%;
}

/* Status check page */
.status-container {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}