/* css/defis.css - Styles pour la liste des défis */

.filters {
    background: var(--surface);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.filter-group {
    flex: 1;
    min-width: 200px;
}

.filter-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dim);
}

.filter-group select {
    width: 100%;
    padding: 0.75rem;
    background: var(--surface-light);
    border: 2px solid var(--surface-light);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.challenges-section {
    margin-bottom: 2rem;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.challenge-card {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    border: 2px solid var(--surface-light);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.challenge-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.2);
}

.challenge-card.completed {
    opacity: 0.7;
    border-color: var(--success);
}

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.challenge-category {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

.challenge-difficulty {
    font-size: 0.85rem;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-weight: 600;
}

.badge-easy {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.badge-medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-hard {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.challenge-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.challenge-preview {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    flex-grow: 1;
    line-height: 1.6;
}

.challenge-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    gap: 1rem;
    flex-wrap: wrap;
}

.challenge-rewards {
    display: flex;
    gap: 1rem;
}

.challenge-rewards .reward {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dim);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.completed-badge {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .filters {
        flex-direction: column;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
    }
}