/* 难度标签样式 */

/* 难度标签 */
.difficulty-tabs {
    margin-bottom: 1.5rem;
}

.difficulty-tabs .btn-group {
    display: flex;
    gap: 0.5rem;
}

.difficulty-tabs .difficulty-tab {
    flex: 1;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.2s;
}

.difficulty-tabs .difficulty-tab:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.difficulty-tabs .difficulty-tab.active {
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.difficulty-tabs .difficulty-tab[data-difficulty="beginner"].active {
    background-color: rgba(13, 202, 240, 0.1);
    border-color: rgba(13, 202, 240, 0.5);
    color: #0dcaf0;
}

.difficulty-tabs .difficulty-tab[data-difficulty="easy"].active {
    background-color: rgba(25, 135, 84, 0.1);
    border-color: rgba(25, 135, 84, 0.5);
    color: #198754;
}

.difficulty-tabs .difficulty-tab[data-difficulty="medium"].active {
    background-color: rgba(255, 193, 7, 0.1);
    border-color: rgba(255, 193, 7, 0.5);
    color: #ffc107;
}

.difficulty-tabs .difficulty-tab[data-difficulty="hard"].active {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: rgba(220, 53, 69, 0.5);
    color: #dc3545;
}