:root {
    --primary-color: #3a7bd5;
    --secondary-color: #00d2ff;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --gray-color: #6c757d;
}

/* Styles généraux */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--light-color);
    color: var(--dark-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header .logo {
    text-align: center;
    margin-bottom: 1rem;
}

header nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    padding: 0;
}

header nav ul li {
    margin: 0 1rem;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

header nav ul li a:hover,
header nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

header nav ul li a i {
    margin-right: 0.5rem;
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

footer {
    background-color: var(--dark-color);
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: auto;
}

/* Boutons */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.3s;
    font-size: 1rem;
}

.btn:hover {
    background-color: #2a6cb7;
}

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* Cartes */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

/* Tableaux */
table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Formulaires */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

/* Messages flash */
.flash-message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    font-weight: 500;
    transition: opacity 0.5s;
}

.flash-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.flash-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    position: relative;
}

.close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
}

.close:hover {
    color: var(--dark-color);
}

/* Utilitaires */
.text-center {
    text-align: center;
}

.header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
}

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

.status-badge.in-use {
    background-color: var(--primary-color);
}

.status-badge.maintenance {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

.status-badge.pending {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

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

.status-badge.in-progress {
    background-color: var(--warning-color);
    color: var(--dark-color);
}

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

.status-badge.cancelled {
    background-color: var(--gray-color);
}

/* Dashboard */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.dashboard-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 1.5rem 0;
}

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

.dashboard-stat .number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

.dashboard-stat .label {
    font-size: 1rem;
    color: var(--gray-color);
}

.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Calendrier */
.calendar-container {
    height: 70vh;
}

/* Responsive */
@media (max-width: 768px) {
    header nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    header nav ul li {
        margin: 0.5rem 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}