/* Chips */
.difficulty-chips {
    display: flex;
    gap: 8px;
    margin-left: 16px;
}

.chip {
    background: var(--card-surface);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.chip.active {
    background: rgba(52, 211, 153, 0.15);
    color: var(--primary);
    border-color: var(--primary);
}

.header-left-group {
    display: flex;
    align-items: center;
}