/* ==============================================
   组件样式库
   ============================================== */

/* 品牌头部组件 */
.brand-header {
    height: 60px;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
}

.brand-header .logo {
    font-size: var(--font-title);
    font-weight: 700;
    color: var(--white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    letter-spacing: 1px;
}

.brand-header .admin-btn {
    position: absolute;
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    text-decoration: none;
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast) ease;
}

.brand-header .admin-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

/* 横幅广告组件 */
.banner-section {
    height: 120px;
    margin: var(--space-xs) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-medium) ease;
}

.banner-section:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.banner-item {
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    position: relative;
}

.banner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.1));
    z-index: 1;
}

.banner-item .banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.banner-item .banner-title {
    font-size: var(--font-xl);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}

.banner-item .banner-desc {
    font-size: var(--font-sm);
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.banner-placeholder {
    background: var(--dark-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: var(--white);
    opacity: 0.7;
}

.banner-placeholder .placeholder-icon {
    font-size: 32px;
    margin-bottom: var(--space-sm);
}

/* 分类导航组件 */
.category-nav {
    margin: var(--space-xs) 0 var(--space-xs) 0;
}

.category-nav-title {
    font-size: var(--font-lg);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--dark-gray);
    display: flex;
    align-items: center;
}

.category-nav-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary-gradient);
    border-radius: 2px;
    margin-right: var(--space-sm);
}

.category-list {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-list::-webkit-scrollbar {
    display: none;
}

.category-item {
    flex: 0 0 auto;
    padding: var(--space-sm) var(--space-lg);
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-full);
    font-size: var(--font-sm);
    color: var(--dark-gray);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition-fast) ease;
    cursor: pointer;
}

.category-item:hover,
.category-item.active {
    background: var(--primary-gradient);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
    transform: translateY(-1px);
}

/* 应用网格组件 */
.app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 8px 4px;
    max-width: 100%;
}

.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--dark-gray);
    padding: 8px 2px !important;
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium) ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 95px !important;
    max-width: none !important;
    width: 100% !important;
}

.app-item:hover {
    background: rgba(255, 215, 0, 0.08);
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.25), 0 3px 10px rgba(0, 0, 0, 0.15);
}

.app-item:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

.app-icon {
    width: 64px !important;
    height: 64px !important;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-sm);
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium) ease;
    overflow: hidden;
    flex-shrink: 0;
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.app-icon.placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    font-size: 24px;
    font-weight: 600;
}

.app-item:hover .app-icon {
    transform: scale(1.15) rotateY(5deg);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2), 0 4px 15px rgba(255, 215, 0, 0.3);
}

.app-name {
    font-size: var(--font-md);
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
    color: var(--dark-gray);
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-top: auto;
}

/* 空状态组件 */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl) var(--space-lg);
    color: var(--gray);
    text-align: center;
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

.empty-state .empty-title {
    font-size: var(--font-lg);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    color: var(--dark-gray);
}

.empty-state .empty-desc {
    font-size: var(--font-sm);
    line-height: 1.5;
    max-width: 280px;
}

/* 加载状态组件 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xxl) var(--space-lg);
    color: var(--gray);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 215, 0, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: var(--space-lg);
}

.loading-text {
    font-size: var(--font-sm);
    color: var(--gray);
}

/* 模态框组件 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium) ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-heavy);
    width: 100%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: all var(--transition-medium) ease;
}

.modal-overlay.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: var(--space-lg) var(--space-lg) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--dark-gray);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-title);
    color: var(--gray);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast) ease;
}

.modal-close:hover {
    color: var(--dark-gray);
    background: var(--light-gray);
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    padding: 0 var(--space-lg) var(--space-lg);
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
}

/* 通知组件 */
.notification {
    position: fixed;
    top: var(--space-lg);
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-heavy);
    padding: var(--space-lg);
    z-index: 1001;
    max-width: 350px;
    width: calc(100% - var(--space-xl));
    opacity: 0;
    transition: all var(--transition-medium) ease;
}

.notification.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.notification.success {
    border-left: 4px solid var(--success-color);
}

.notification.error {
    border-left: 4px solid var(--error-color);
}

.notification.warning {
    border-left: 4px solid var(--warning-color);
}

.notification.info {
    border-left: 4px solid var(--info-color);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.notification-icon {
    font-size: var(--font-xl);
    line-height: 1;
    margin-top: 2px;
}

.notification-icon.success { color: var(--success-color); }
.notification-icon.error { color: var(--error-color); }
.notification-icon.warning { color: var(--warning-color); }
.notification-icon.info { color: var(--info-color); }

.notification-text {
    flex: 1;
}

.notification-title {
    font-size: var(--font-md);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--dark-gray);
}

.notification-message {
    font-size: var(--font-sm);
    color: var(--gray);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    font-size: var(--font-lg);
    padding: var(--space-xs);
    margin: -4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast) ease;
}

.notification-close:hover {
    color: var(--dark-gray);
    background: var(--light-gray);
}

/* 骨架屏组件 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-app-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
}

.skeleton-app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-xs);
    min-height: 180px;
}

.skeleton-app-icon {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-xs);
}

.skeleton-app-name {
    width: 60px;
    height: 12px;
    border-radius: var(--radius-sm);
}

/* 搜索组件 */
.search-container {
    position: relative;
    margin: var(--space-lg) 0;
}

.search-input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 40px;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-full);
    font-size: var(--font-md);
    background: var(--white);
    transition: all var(--transition-fast) ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: var(--font-md);
    pointer-events: none;
}

.search-clear {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: var(--font-xs);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast) ease;
}

.search-clear:hover {
    background: var(--dark-gray);
}

.search-clear.show {
    display: flex;
}

/* 底部导航组件 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 375px;
    background: var(--white);
    border-top: 1px solid #e0e0e0;
    padding: var(--space-sm) var(--space-md) calc(var(--space-sm) + env(safe-area-inset-bottom));
    z-index: 100;
}

.bottom-nav-list {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--gray);
    font-size: var(--font-xs);
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast) ease;
}

.bottom-nav-item:hover,
.bottom-nav-item.active {
    color: var(--primary-color);
}

.bottom-nav-icon {
    font-size: var(--font-lg);
    margin-bottom: 2px;
}

/* 响应式调整 */
@media (max-width: 320px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2px;
        padding: 4px 2px;
    }
    
    .app-icon {
        width: 56px !important;
        height: 56px !important;
    }
    
    .app-item {
        padding: 6px 1px !important;
        min-height: 90px !important;
        max-width: none !important;
    }
    
    .app-icon.placeholder {
        font-size: 20px;
    }
    
    .banner-section {
        height: 100px;
    }
    
    .category-item {
        padding: 6px var(--space-md);
        font-size: 11px;
    }
}

/* 标准手机 (iPhone 12/13/14 等) */
@media (min-width: 321px) and (max-width: 413px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 6px;
        padding: 8px 4px;
    }
    
    .app-icon {
        width: 60px !important;
        height: 60px !important;
    }
    
    .app-item {
        padding: 8px 3px !important;
        min-height: 95px !important;
        max-width: none !important;
    }
    
    .app-icon.placeholder {
        font-size: 22px;
    }
}

/* iPhone 14/15 Pro Max 等大屏手机 */
@media (min-width: 414px) and (max-width: 480px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
        padding: 12px 6px;
    }
    
    .app-icon {
        width: 68px !important;
        height: 68px !important;
    }
    
    .app-item {
        padding: 12px 4px !important;
        min-height: 105px !important;
        max-width: none !important;
    }
    
    .app-icon.placeholder {
        font-size: 26px;
    }
    
    .category-nav {
        margin: var(--space-md) 0 var(--space-sm) 0;
    }
    
    .app-name {
        font-size: var(--font-md);
        font-weight: 500;
    }
}

/* 平板和桌面 */
@media (min-width: 481px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 10px;
        padding: 16px 8px;
    }
    
    .app-icon {
        width: 72px !important;
        height: 72px !important;
    }
    
    .app-item {
        padding: 16px 6px !important;
        min-height: 115px !important;
        max-width: none !important;
    }
    
    .app-icon.placeholder {
        font-size: 28px;
    }
    
    .container {
        padding-bottom: 0;
    }
    
    .bottom-nav {
        display: none;
    }
}