/* style.css - Version avec variables CSS */
:root {
    --primary: #667eea;
    --secondary: #764ba2;
    --danger: #dc3545;
    --warning: #ffc107;
    --success: #28a745;
    --light: #f8f9fa;
    --dark: #343a40;
    --bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* En-tête */
.header {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.header h1 {
    color: var(--primary);
    margin-bottom: 5px;
}

.header .prof-info {
    color: #666;
    font-size: 0.9em;
    margin-top: 5px;
}

.header .annee-scolaire {
    color: var(--secondary);
    font-weight: bold;
    margin-top: 5px;
}

.header-buttons {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.btn-lock, .btn-home {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-lock:hover, .btn-home:hover {
    background: var(--secondary);
    transform: translateY(-2px);
}

/* Navigation */
.nav {
    background: white;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nav a {
    color: var(--primary);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

.nav a:hover, .nav a.active {
    background: var(--primary);
    color: white;
}

/* Grille des documents */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.document-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.document-card h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

.document-card .meta {
    color: #666;
    font-size: 0.9em;
    margin-bottom: 15px;
}

.document-card .btn-download {
    background: var(--primary);
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
    transition: background 0.3s;
}

.document-card .btn-download:hover {
    background: var(--secondary);
}

/* Calendrier */
.calendar-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.calendar {
    width: 100%;
    border-collapse: collapse;
}

.calendar th, .calendar td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
}

.calendar th {
    background: var(--primary);
    color: white;
}

.calendar td {
    height: 80px;
    vertical-align: top;
}

.calendar .event {
    background: rgba(102, 126, 234, 0.2);
    margin: 2px;
    padding: 2px;
    font-size: 0.8em;
    border-radius: 3px;
    cursor: pointer;
}

/* Tableau des documents */
.table-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.data-table th {
    background: var(--primary);
    color: white;
}

.data-table tr:hover {
    background: rgba(102, 126, 234, 0.1);
}

.filter-bar {
    margin-bottom: 20px;
    padding: 15px;
    background: white;
    border-radius: 10px;
}

.filter-bar select, .filter-bar input {
    padding: 8px;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

/* Administration */
.admin-panel {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.admin-section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 10px;
}

.admin-section h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #666;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.btn {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

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

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

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

.liste-items {
    margin-top: 15px;
}

.item {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Style selector */
.style-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.style-card {
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.style-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.style-card.active {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
}

.style-card h4 {
    margin-bottom: 10px;
    color: var(--primary);
}

.style-preview {
    width: 100%;
    height: 100px;
    border-radius: 5px;
    margin-bottom: 10px;
}

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

.modal-content {
    background: white;
    margin: 10% auto;
    padding: 20px;
    width: 80%;
    max-width: 500px;
    border-radius: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .style-selector {
        grid-template-columns: 1fr;
    }
}