/* Styles spécifiques à la page index.html */

/* Footer fixe en bas de l'écran pour la page d'accueil uniquement */
footer {
    background: #34495e;
    color: white;
    text-align: center;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
}

/* Ajouter un padding en bas du body pour compenser le footer fixe */
body {
    padding-bottom: 60px;
}

/* Section d'authentification */
.auth-section {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
    text-align: center;
}

.auth-card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Informations utilisateur */
.student-info {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.welcome-message {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.student-details {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.student-info-left {
    display: flex;
    align-items: center;
}

.student-name {
    font-size: 1.2rem;
    font-weight: bold;
    color: #2c3e50;
}

.student-class {
    background: #3498db;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-left: 10px;
}

.student-details .btn-secondary {
    width: auto;
    padding: 0.5rem 1rem;
}

/* Grille des chapitres - disposition en grille comme teacher.html */
.course-grid .chapters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.course-grid .chapter-card {
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 
        0 4px 6px rgba(0,0,0,0.07),
        0 1px 3px rgba(0,0,0,0.06),
        inset 0 1px 0 rgba(255,255,255,0.8);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.course-grid .chapter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.course-grid .chapter-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 8px 15px rgba(0,0,0,0.1),
        0 3px 5px rgba(0,0,0,0.08),
        inset 0 1px 0 rgba(255,255,255,0.9);
    border-color: #d0d0d0;
}

.course-grid .chapter-card:hover::before {
    opacity: 1;
}

.course-grid .chapter-card h3 {
    margin: 0 0 1rem 0;
    color: #2c3e50;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
    white-space: pre-wrap;
}



/* Pour les éléments générés automatiquement */
.course-grid .chapter-card .chapter-status {
    margin-top: auto;
}

/* Nouveaux éléments de stats pour les cartes chapitres */
.course-grid .chapter-card .chapter-stats {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.course-grid .chapter-card .progress-ring {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.course-grid .chapter-card .progress-ring svg {
    width: 40px;
    height: 40px;
    transform: rotate(-90deg);
}

.course-grid .chapter-card .progress-ring .progress-value {
    position: absolute;
    font-size: 0.75rem;
    font-weight: bold;
    color: #2c3e50;
}

.course-grid .chapter-card .chapter-grade {
    font-size: 0.85rem;
    font-weight: bold;
    color: #666;
    margin: 0 1rem;
}

.course-grid .chapter-card .chapter-grade.completed {
    color: #27ae60;
}

.course-grid .chapter-card .btn-info {
    background: #3498db;
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.course-grid .chapter-card .btn-info:hover {
    background: #2980b9;
    transform: scale(1.1);
}

.course-grid .chapter-card a.btn {
    margin-top: 0;
    align-self: flex-end;
}

/* Modal pour le détail des chapitres */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #eee;
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #666;
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: #333;
}

.modal-body {
    padding: 1.5rem;
}

.section-title {
    font-weight: bold;
    margin: 1.5rem 0 0.75rem;
    font-size: 1rem;
    color: #333;
}

.section-title:first-child {
    margin-top: 0;
}

.note-range {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.note-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.note-item:last-child {
    border-bottom: none;
}

.note-label {
    color: #666;
}

.note-value {
    font-weight: bold;
    font-size: 1.1rem;
}

.note-value.current {
    color: #2c3e50;
}

.note-value.min {
    color: #e74c3c;
}

.note-value.max {
    color: #27ae60;
}

.questions-list {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    margin-top: 1rem;
}

.detail-row {
    display: grid;
    grid-template-columns: 95px 70px 1fr 130px 50px;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    align-items: center;
    border-bottom: 1px solid #eee;
    font-size: 0.8rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-qid {
    font-weight: bold;
    font-family: monospace;
    font-size: 0.8rem;
}

.detail-type {
    font-size: 0.65rem;
    color: #666;
    text-transform: uppercase;
    background: #f0f0f0;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    text-align: center;
}

.detail-status {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    font-size: 0.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.detail-status.correct {
    color: #27ae60;
}

.detail-status.incorrect {
    color: #e74c3c;
}

.detail-status.unanswered {
    color: #95a5a6;
}

.detail-status.pending {
    color: #f39c12;
}

.detail-attempts {
    color: #888;
    font-size: 0.7rem;
    text-align: center;
}

.detail-points {
    text-align: right;
    font-weight: bold;
    font-family: monospace;
    font-size: 0.85rem;
}

/* ============================================================================
   NOUVEAUX ÉTATS DES CHAPITRES (Version 2.0)
   Styles pour les différents statuts de chapitres
   ============================================================================ */

.chapter-status {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Verrouillé - chapitre non accessible */
.status-locked {
    color: #95a5a6;
}

/* Disponible - chapitre accessible mais pas commencé */
.status-available {
    color: #27ae60;
}

/* En cours - chapitre commencé mais pas terminé */
.status-in-progress {
    color: #f39c12;
}

/* Rendu - chapitre soumis par l'apprenant */
.status-submitted {
    color: #3498db;
}

/* À reprendre - chapitre retourné pour révision */
.status-revision {
    color: #e67e22;
}

/* Corrigé - chapitre validé par le formateur */
.status-corrected {
    color: #27ae60;
    font-weight: 700;
}