/* Styles spécifiques à l'exercice avec variables de thème */
.relier-exercice {
    background: var(--theme-tertiary);
    border-radius: 12px;
    padding: 30px 20px;
    box-shadow: var(--theme-section-shadow);
    margin: 40px auto;
    max-width: 900px;
}
.relier-exercice h2 {
    color: var(--theme-primary);
    margin-bottom: 16px;
    text-align: center;
}
.relier-exercice .explication {
    font-size: 1.08em;
    margin-bottom: 24px;
    color: var(--theme-text);
}
.relier-table {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    margin-bottom: 30px;
}
.relier-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.relier-item {
    display: flex;
    align-items: center;
    background: var(--theme-secondary);
    color: var(--theme-text);
    border-radius: 6px;
    padding: 12px 15px;
    transition: background 0.3s, border 0.3s, transform 0.2s;
    position: relative;
    font-size: 1em;
    cursor: pointer;
    min-height: 44px;
    border: 2px solid transparent;
}
.relier-item.selected {
    background: var(--theme-primary);
    color: var(--theme-button-primary-text);
    border: 2px solid var(--theme-accent);
    transform: scale(1.02);
}
.relier-item.linked {
    background: var(--theme-primary);
    color: var(--theme-button-primary-text);
}
.relier-item.correct {
    background: green;
}
.relier-item.incorrect {
    background: red;
}


/* Pour la colonne de gauche : case à cocher à droite */

#col-questions .relier-item {
    justify-content: space-between;
}



#col-questions .relier-checkbox {
    margin-left: 12px;
    margin-right: 0;
}
/* Pour la colonne de droite : case à cocher à gauche */
#col-reponses {
    margin-right: 12px;
    margin-left: 0;
}
.relier-checkbox {
    margin-right: 12px;
    margin-left: 0;
    color: var(--theme-button-primary-text);
}
.relier-checkbox {
    accent-color: var(--theme-accent);
    width: 20px;
    height: 20px;
}
.relier-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 1;
}
.relier-exercice .actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-top: 25px;
}
.relier-exercice .score {
    font-weight: bold;
    font-size: 1.1em;
    color: var(--theme-accent);
}
.relier-exercice .message-correction {
    margin-top: 13px;
    font-size: 1.08em;
    color: var(--theme-text);
    font-style: italic;
    min-height: 28px;
    text-align: center;
    transition: color 0.2s;
}
/* Nouveau : Zone élève */
.student-selection {
    background: var(--theme-secondary);
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}
.student-selection label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--theme-text);
}
.student-selection select {
    width: 100%;
    padding: 8px;
    font-size: 1em;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: white;
}
#save-score-btn {
    margin-top: 15px;
    background: var(--theme-accent);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.2s;
    display: none;
}
#save-score-btn:hover {
    background: var(--theme-primary);
}
#save-status {
    font-size: 0.9em;
    margin-top: 8px;
    min-height: 20px;
}
/* Responsive design */
@media (max-width: 768px) {
    .relier-table {
        gap: 20px;
    }
    .relier-item {
        padding: 10px;
        font-size: 0.95em;
    }
}
@media (max-width: 600px) {
    .relier-table { 
        flex-direction: column;
        gap: 15px;
    }
    .relier-canvas { 
        display: none;
    }
    .relier-exercice {
        padding: 20px 15px;
    }
}