/* 左侧栏底部区域 */
.sidebar-footer {
    margin-top: auto;
    padding: 16px;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
}

.sidebar-footer .tutorial-btn {
    width: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px dashed rgba(99, 102, 241, 0.3);
    color: var(--text-secondary);
}

.sidebar-footer .tutorial-btn:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border-color: rgba(99, 102, 241, 0.5);
    color: var(--text-primary);
}

.sidebar-footer .tutorial-btn i {
    color: var(--accent-purple);
}

.sidebar-footer .feedback-btn {
    width: 100%;
    background: linear-gradient(135deg, rgba(255, 159, 67, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);
    border: 1px dashed rgba(255, 159, 67, 0.3);
    color: var(--text-secondary);
    margin-top: 8px;
}

.sidebar-footer .feedback-btn:hover {
    background: linear-gradient(135deg, rgba(255, 159, 67, 0.2) 0%, rgba(255, 107, 107, 0.2) 100%);
    border-color: rgba(255, 159, 67, 0.5);
    color: var(--text-primary);
}

.sidebar-footer .feedback-btn i {
    color: var(--accent-orange);
}

.sidebar-footer .my-feedback-btn {
    width: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    border: 1px dashed rgba(59, 130, 246, 0.3);
    color: var(--text-secondary);
    margin-top: 8px;
    position: relative;
}

.sidebar-footer .my-feedback-btn:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%);
    border-color: rgba(59, 130, 246, 0.5);
    color: var(--text-primary);
}

.sidebar-footer .my-feedback-btn i {
    color: var(--accent-blue);
}

.feedback-badge {
    position: absolute;
    top: 4px;
    right: 8px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-radius: 9px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}