/* MELEC PRO v2 - Styles */

/* ==================== VARIABLES ==================== */
:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #06b6d4;
    
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    
    --text-dark: #0f172a;
    --text-medium: #475569;
    --text-light: #94a3b8;
    
    --border: #e2e8f0;
    --border-dark: #cbd5e1;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-main);
    color: var(--text-dark);
    line-height: 1.6;
}

/* ==================== PAGE DE CONNEXION ==================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo h1 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.logo p {
    color: var(--text-medium);
    font-size: 0.9rem;
}

/* ==================== FORMULAIRES ==================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group small {
    display: block;
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-light);
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
}

/* ==================== BOUTONS ==================== */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--border-dark);
    color: var(--text-dark);
}

.btn-outline:hover {
    background: var(--bg-hover);
}

/* ==================== DASHBOARD ==================== */
.dashboard {
    min-height: 100vh;
    padding: 20px;
}

.dashboard-header {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard-header h1 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.dashboard-header p {
    color: var(--text-medium);
    font-size: 0.9rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-admin {
    background: var(--danger);
    color: white;
}

.badge-prof {
    background: var(--primary);
    color: white;
}

.badge-eleve {
    background: var(--success);
    color: white;
}

/* ==================== STATISTIQUES ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.2s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-medium);
}

/* ==================== ONGLETS ==================== */
.tabs {
    display: flex;
    gap: 8px;
    background: white;
    padding: 8px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    overflow-x: auto;
}

.tab {
    padding: 12px 24px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tab:hover {
    background: var(--bg-hover);
}

.tab.active {
    background: var(--primary);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ==================== CARTES ==================== */
.card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.card h3 {
    margin-bottom: 16px;
    color: var(--text-dark);
}

/* ==================== TABLEAUX ==================== */
.table-container {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

th, td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--bg-hover);
    font-weight: 600;
    color: var(--text-dark);
}

tr:hover {
    background: var(--bg-hover);
}

/* ==================== GRILLE DE PROJETS ==================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.2s;
    border-left: 4px solid var(--primary);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.project-card h3 {
    margin-bottom: 12px;
    color: var(--text-dark);
}

.project-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--text-medium);
}

.project-phase {
    padding: 6px 12px;
    background: var(--bg-hover);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-top: 8px;
}

/* ==================== MODAL ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow-y: auto;
    padding: 20px;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 32px;
    border-radius: 16px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-header h2 {
    color: var(--text-dark);
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-medium);
    padding: 4px;
}

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

/* ==================== MESSAGES ==================== */
.message {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.message-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.message-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #3b82f6;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .tabs {
        overflow-x: auto;
    }
}

/* ==================== UTILITAIRES ==================== */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.hidden { display: none; }