/* ========================================
   TabBar 底部导航栏组件样式
   ======================================== */

.tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-fixed);
    height: var(--tabbar-height);
    background: #FFF;
    display: flex;
    align-items: center;
    justify-content: space-around;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.08);
    border-top: 1px solid var(--border-color);
}

.tab-item {
    flex: 1;
    padding: var(--spacing-2) 0;
    text-align: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base) var(--easing-default);
    position: relative;
    text-decoration: none;
    display: block;
}

.tab-item.active {
    color: var(--primary);
}

.tab-item.active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.tab-item.active .tab-text {
    font-weight: var(--font-weight-semibold);
}

.tab-icon {
    font-size: 24px;
    margin-bottom: var(--spacing-1);
    display: block;
    height: 24px;
    line-height: 24px;
    transition: transform var(--transition-base) var(--easing-default);
}

.tab-item:active .tab-icon {
    transform: scale(0.9);
}

.tab-text {
    font-size: var(--font-size-xs);
    line-height: 1.2;
}

/* ===== 响应式调整 ===== */
@media (max-width: 375px) {
    .tab-icon {
        font-size: 20px;
        height: 20px;
        line-height: 20px;
    }

    .tab-text {
        font-size: 10px;
    }
}