/* Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --background-color: #f8fafc;
    --card-background: rgba(255, 255, 255, 0.95);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-radius: 12px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --transition: all 0.3s ease;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.5;
    position: relative;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/clio.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.04;
    z-index: -1;
    pointer-events: none;
}

/* Navbar */
.navbar {
    background-color: var(--card-background) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 600;
    color: var(--primary-color) !important;
}

/* Cards */
.card {
    background: var(--card-background);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

.card-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

/* Graphique */
.chart-container {
    position: relative;
    height: 250px !important;
    width: 100%;
    margin: 1rem 0;
}

#kmChart {
    max-width: 100%;
    height: 100% !important;
}

/* Formulaires */
.form-control {
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

/* Boutons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    transform: translateY(-1px);
}

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

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

/* Statistiques */
.stat-item {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.stat-item:hover {
    transform: translateY(-2px);
}

.stat-item h6 {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

/* Progress Bar */
.progress {
    height: 0.75rem;
    border-radius: 1rem;
    background-color: #e2e8f0;
    overflow: hidden;
}

.progress-bar {
    background-color: var(--primary-color);
    transition: width 0.6s ease;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #166534;
}

/* Modal */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

.modal-header {
    border-bottom: 1px solid #e2e8f0;
    padding: 1.25rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #e2e8f0;
    padding: 1.25rem 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .stat-item {
        margin-bottom: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .d-flex {
        flex-direction: column;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }

    .chart-container {
        height: 200px !important;
    }
}

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

.card, .stat-item {
    animation: fadeIn 0.3s ease-out;
}