/**
 * 移动端专用CSS样式
 * 优化移动端体验和响应式设计
 */

/* ===========================================
   移动端基础变量定义
   =========================================== */
:root {
    /* 移动端安全区域 */
    --safe-area-inset-top: env(safe-area-inset-top);
    --safe-area-inset-right: env(safe-area-inset-right);
    --safe-area-inset-bottom: env(safe-area-inset-bottom);
    --safe-area-inset-left: env(safe-area-inset-left);
    
    /* 移动端触摸目标尺寸 */
    --touch-target-min: 44px;
    --touch-target-comfortable: 48px;
    
    /* 移动端字体大小 */
    --mobile-text-xs: 0.75rem;    /* 12px */
    --mobile-text-sm: 0.875rem;   /* 14px */
    --mobile-text-base: 1rem;     /* 16px */
    --mobile-text-lg: 1.125rem;   /* 18px */
    --mobile-text-xl: 1.25rem;    /* 20px */
    --mobile-text-2xl: 1.5rem;    /* 24px */
    
    /* 移动端间距 */
    --mobile-space-1: 0.25rem;    /* 4px */
    --mobile-space-2: 0.5rem;     /* 8px */
    --mobile-space-3: 0.75rem;    /* 12px */
    --mobile-space-4: 1rem;       /* 16px */
    --mobile-space-5: 1.25rem;    /* 20px */
    --mobile-space-6: 1.5rem;     /* 24px */
}

/* ===========================================
   移动端基础样式重置
   =========================================== */

/* 防止iOS Safari自动调整字体大小 */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

/* 改善移动端点击延迟 */
* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* 移动端安全区域适配 */
body {
    padding-top: var(--safe-area-inset-top);
    padding-right: var(--safe-area-inset-right);
    padding-bottom: var(--safe-area-inset-bottom);
    padding-left: var(--safe-area-inset-left);
}

/* ===========================================
   移动端响应式断点
   =========================================== */

/* 超小屏幕（手机竖屏） */
@media (max-width: 479px) {
    .mobile-xs-hidden { display: none !important; }
    .mobile-xs-block { display: block !important; }
    .mobile-xs-flex { display: flex !important; }
    .mobile-xs-grid { display: grid !important; }
    
    /* 容器最大宽度调整 */
    .container {
        padding-left: var(--mobile-space-3);
        padding-right: var(--mobile-space-3);
    }
    
    /* 字体大小优化 */
    h1 { font-size: var(--mobile-text-2xl); }
    h2 { font-size: var(--mobile-text-xl); }
    h3 { font-size: var(--mobile-text-lg); }
    p, span { font-size: var(--mobile-text-base); }
    small { font-size: var(--mobile-text-sm); }
}

/* 小屏幕（手机横屏/小平板） */
@media (max-width: 767px) {
    .mobile-hidden { display: none !important; }
    .mobile-block { display: block !important; }
    .mobile-flex { display: flex !important; }
    .mobile-grid { display: grid !important; }
    
    /* 网格布局优化 */
    .mobile-grid-1 { 
        grid-template-columns: repeat(1, 1fr) !important; 
    }
    .mobile-grid-2 { 
        grid-template-columns: repeat(2, 1fr) !important; 
    }
    
    /* 间距优化 */
    .mobile-space-reduce {
        gap: var(--mobile-space-3) !important;
        padding: var(--mobile-space-4) !important;
    }
    
    /* 触摸目标优化 */
    button, .btn, a.btn {
        min-height: var(--touch-target-comfortable);
        min-width: var(--touch-target-comfortable);
        padding: var(--mobile-space-3) var(--mobile-space-4);
    }
    
    /* 表单元素优化 */
    input, textarea, select {
        min-height: var(--touch-target-comfortable);
        padding: var(--mobile-space-3) var(--mobile-space-4);
        font-size: var(--mobile-text-base);
    }
}

/* ===========================================
   移动端导航优化
   =========================================== */

/* 移动端顶部导航 */
@media (max-width: 767px) {
    .mobile-nav {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .mobile-nav-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: var(--mobile-space-3) var(--mobile-space-4);
        min-height: calc(var(--touch-target-comfortable) + var(--mobile-space-3) * 2);
    }
    
    /* Logo适配 */
    .mobile-logo {
        font-size: var(--mobile-text-lg);
        font-weight: bold;
        color: #FF0000;
    }
    
    /* 返回按钮 */
    .mobile-back-btn {
        width: var(--touch-target-comfortable);
        height: var(--touch-target-comfortable);
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: rgba(0, 0, 0, 0.05);
        transition: all 0.2s ease;
    }
    
    .mobile-back-btn:hover {
        background: rgba(255, 0, 0, 0.1);
        color: #FF0000;
    }
}

/* ===========================================
   移动端搜索框优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-search-container {
        position: relative;
        width: 100%;
    }
    
    .mobile-search-input {
        width: 100%;
        height: var(--touch-target-comfortable);
        padding: 0 calc(var(--touch-target-comfortable) + var(--mobile-space-2)) 0 var(--mobile-space-4);
        border: 2px solid #e5e7eb;
        border-radius: 24px;
        font-size: var(--mobile-text-base);
        background: #ffffff;
        transition: all 0.3s ease;
    }
    
    .mobile-search-input:focus {
        outline: none;
        border-color: #FF0000;
        box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
    }
    
    .mobile-search-btn {
        position: absolute;
        right: var(--mobile-space-1);
        top: 50%;
        transform: translateY(-50%);
        width: calc(var(--touch-target-comfortable) - var(--mobile-space-2));
        height: calc(var(--touch-target-comfortable) - var(--mobile-space-2));
        background: #FF0000;
        color: white;
        border: none;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.2s ease;
    }
    
    .mobile-search-btn:hover {
        background: #dc2626;
        transform: translateY(-50%) scale(1.05);
    }
}

/* ===========================================
   移动端卡片优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-card {
        background: white;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        padding: var(--mobile-space-4);
        margin-bottom: var(--mobile-space-4);
        transition: all 0.3s ease;
    }
    
    .mobile-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    }
    
    .mobile-card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: var(--mobile-space-3);
        padding-bottom: var(--mobile-space-3);
        border-bottom: 1px solid #f3f4f6;
    }
    
    .mobile-card-title {
        font-size: var(--mobile-text-lg);
        font-weight: 600;
        color: #1f2937;
    }
    
    .mobile-card-content {
        font-size: var(--mobile-text-base);
        color: #4b5563;
        line-height: 1.6;
    }
}

/* ===========================================
   移动端列表优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .mobile-list-item {
        display: flex;
        align-items: center;
        padding: var(--mobile-space-4);
        background: white;
        border-radius: 8px;
        margin-bottom: var(--mobile-space-2);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        transition: all 0.2s ease;
        min-height: var(--touch-target-comfortable);
    }
    
    .mobile-list-item:hover {
        background: #f9fafb;
        transform: translateX(4px);
    }
    
    .mobile-list-item-content {
        flex: 1;
        margin-left: var(--mobile-space-3);
    }
    
    .mobile-list-item-title {
        font-size: var(--mobile-text-base);
        font-weight: 500;
        color: #1f2937;
        margin-bottom: var(--mobile-space-1);
    }
    
    .mobile-list-item-subtitle {
        font-size: var(--mobile-text-sm);
        color: #6b7280;
    }
}

/* ===========================================
   移动端标签优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-tags {
        display: flex;
        flex-wrap: wrap;
        gap: var(--mobile-space-2);
        margin: var(--mobile-space-3) 0;
    }
    
    .mobile-tag {
        display: inline-flex;
        align-items: center;
        padding: var(--mobile-space-2) var(--mobile-space-3);
        background: #f3f4f6;
        color: #374151;
        border-radius: 16px;
        font-size: var(--mobile-text-sm);
        font-weight: 500;
        transition: all 0.2s ease;
        min-height: 32px;
        white-space: nowrap;
    }
    
    .mobile-tag:hover {
        background: #FF0000;
        color: white;
        transform: translateY(-1px);
    }
    
    .mobile-tag.active {
        background: #FF0000;
        color: white;
    }
}

/* ===========================================
   移动端分页优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-pagination {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--mobile-space-2);
        margin: var(--mobile-space-6) 0;
        padding: var(--mobile-space-4);
    }
    
    .mobile-pagination-btn {
        width: var(--touch-target-comfortable);
        height: var(--touch-target-comfortable);
        display: flex;
        align-items: center;
        justify-content: center;
        background: white;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        color: #374151;
        font-size: var(--mobile-text-base);
        font-weight: 500;
        transition: all 0.2s ease;
    }
    
    .mobile-pagination-btn:hover:not(.disabled) {
        background: #FF0000;
        color: white;
        border-color: #FF0000;
    }
    
    .mobile-pagination-btn.active {
        background: #FF0000;
        color: white;
        border-color: #FF0000;
    }
    
    .mobile-pagination-btn.disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }
    
    .mobile-pagination-info {
        font-size: var(--mobile-text-sm);
        color: #6b7280;
        margin: 0 var(--mobile-space-2);
        white-space: nowrap;
    }
}

/* ===========================================
   移动端弹窗和模态框优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-modal {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        display: flex;
        align-items: flex-end;
        justify-content: center;
        z-index: 9999;
        padding: 0;
    }
    
    .mobile-modal-content {
        background: white;
        border-radius: 16px 16px 0 0;
        width: 100%;
        max-height: 70vh;
        overflow-y: auto;
        padding: var(--mobile-space-6) var(--mobile-space-4) calc(var(--mobile-space-6) + var(--safe-area-inset-bottom));
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    
    .mobile-modal.show .mobile-modal-content {
        transform: translateY(0);
    }
    
    .mobile-modal-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: var(--mobile-space-4);
        padding-bottom: var(--mobile-space-3);
        border-bottom: 1px solid #e5e7eb;
    }
    
    .mobile-modal-title {
        font-size: var(--mobile-text-lg);
        font-weight: 600;
        color: #1f2937;
    }
    
    .mobile-modal-close {
        width: var(--touch-target-min);
        height: var(--touch-target-min);
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f3f4f6;
        border: none;
        border-radius: 50%;
        color: #6b7280;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .mobile-modal-close:hover {
        background: #e5e7eb;
        color: #374151;
    }
}

/* ===========================================
   移动端搜索组件优化
   =========================================== */

@media (max-width: 767px) {
    /* 搜索建议样式 */
    .mobile-search-suggestions {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-radius: 8px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        z-index: 1000;
        max-height: 300px;
        overflow-y: auto;
    }
    
    .suggestion-item {
        display: flex;
        align-items: center;
        padding: var(--mobile-space-3) var(--mobile-space-4);
        border-bottom: 1px solid #f3f4f6;
        cursor: pointer;
        transition: background-color 0.2s ease;
    }
    
    .suggestion-item:hover {
        background-color: #f9fafb;
    }
    
    .suggestion-item:last-child {
        border-bottom: none;
    }
    
    .suggestion-icon {
        width: 40px;
        display: flex;
        justify-content: center;
    }
    
    .suggestion-content {
        flex: 1;
        margin-left: var(--mobile-space-2);
    }
    
    .suggestion-text {
        font-size: var(--mobile-text-base);
        color: #1f2937;
        margin-bottom: 2px;
    }
    
    .suggestion-text mark {
        background-color: #fef3c7;
        color: #92400e;
        padding: 0 2px;
        border-radius: 2px;
    }
    
    .suggestion-type {
        font-size: var(--mobile-text-xs);
        color: #6b7280;
    }
    
    .suggestion-action {
        width: 24px;
        display: flex;
        justify-content: center;
    }
    
    /* 移动端建议模态框 */
    .mobile-suggestions-modal {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: white;
        border-radius: 16px 16px 0 0;
        max-height: 70vh;
        overflow: hidden;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    
    .suggestions-overlay {
        z-index: 9999;
    }
    
    .suggestions-content {
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    
    .suggestions-header {
        padding: var(--mobile-space-4);
        border-bottom: 1px solid #e5e7eb;
        background: #f9fafb;
    }
    
    .suggestion-title {
        padding: var(--mobile-space-3) var(--mobile-space-4);
        font-size: var(--mobile-text-sm);
        font-weight: 500;
        color: #374151;
        background: #f9fafb;
        border-bottom: 1px solid #e5e7eb;
    }
    
    /* 筛选面板样式 */
    .mobile-filter-panel {
        position: sticky;
        top: 60px;
        z-index: 40;
        background: white;
        border-bottom: 1px solid #e5e7eb;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .filter-tabs {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-tab {
        transition: all 0.2s ease;
        cursor: pointer;
        user-select: none;
        min-width: 60px;
        text-align: center;
    }
    
    .filter-tab:hover {
        background-color: #f3f4f6;
    }
    
    .filter-tab.active {
        background-color: #FF0000 !important;
        color: white !important;
    }
    
    .filter-options {
        min-height: 40px;
    }
    
    .filter-option {
        transition: all 0.2s ease;
        cursor: pointer;
        user-select: none;
    }
    
    .filter-option.active {
        background-color: #FF0000 !important;
        color: white !important;
    }
    
    /* 语音搜索按钮 */
    .voice-search-btn {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        border: none;
        background: transparent;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    
    .voice-search-btn:hover {
        color: #FF0000;
        transform: scale(1.1);
    }
    
    .voice-search-btn .fa-circle {
        animation: pulse 1s infinite;
    }
    
    @keyframes pulse {
        0% { opacity: 1; }
        50% { opacity: 0.5; }
        100% { opacity: 1; }
    }
}

/* ===========================================
   移动端通知优化
   =========================================== */

@media (max-width: 767px) {
    .mobile-notification {
        position: fixed;
        top: calc(var(--safe-area-inset-top) + var(--mobile-space-4));
        left: var(--mobile-space-4);
        right: var(--mobile-space-4);
        background: white;
        border-radius: 12px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        padding: var(--mobile-space-4);
        z-index: 9998;
        transform: translateY(-100px);
        transition: all 0.3s ease;
    }
    
    .mobile-notification.show {
        transform: translateY(0);
    }
    
    .mobile-notification.success {
        border-left: 4px solid #10b981;
    }
    
    .mobile-notification.error {
        border-left: 4px solid #ef4444;
    }
    
    .mobile-notification.warning {
        border-left: 4px solid #f59e0b;
    }
    
    .mobile-notification.info {
        border-left: 4px solid #3b82f6;
    }
}

/* ===========================================
   移动端性能优化
   =========================================== */

/* 减少动画在低性能设备上的影响 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* GPU加速优化 */
.mobile-gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
}

/* 文本渲染优化 */
.mobile-text-optimized {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ===========================================
   移动端工具类
   =========================================== */

/* 隐藏移动端滚动条 */
.mobile-hide-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.mobile-hide-scrollbar::-webkit-scrollbar {
    display: none;
}

/* 移动端安全点击区域 */
.mobile-safe-click {
    position: relative;
}

.mobile-safe-click::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    z-index: -1;
}

/* 移动端文本截断 */
.mobile-text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mobile-text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mobile-text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===========================================
   移动端特殊适配
   =========================================== */

/* iPhone X系列适配 */
@supports (padding: max(0px)) {
    .mobile-safe-area-top {
        padding-top: max(var(--mobile-space-4), var(--safe-area-inset-top));
    }
    
    .mobile-safe-area-bottom {
        padding-bottom: max(var(--mobile-space-4), var(--safe-area-inset-bottom));
    }
}

/* 横屏适配 */
@media screen and (orientation: landscape) and (max-height: 600px) {
    .mobile-landscape-hidden {
        display: none !important;
    }
    
    .mobile-landscape-compact {
        padding-top: var(--mobile-space-2) !important;
        padding-bottom: var(--mobile-space-2) !important;
    }
}

/* 移动端详情页滚动优化 */
@media (max-width: 767px) {
    .mobile-scroll-container {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: calc(var(--safe-area-inset-bottom, 0) + 20px);
    }
    
    /* 确保内容足够高以启用滚动 */
    #drama-detail {
        min-height: 100vh;
    }
    
    /* 修复iOS Safari的滚动问题 */
    .mobile-detail-content {
        -webkit-overflow-scrolling: touch;
    }
    
    /* 防止弹性滚动导致的内容跳动 */
    body {
        position: relative;
        height: auto;
        min-height: 100vh;
    }
}

/* 移动端菜单字体大小优化 */
@media (max-width: 767px) {
    #mobile-menu-container .text-lg {
        font-size: var(--mobile-text-base); /* 将标题字体从默认的1.125rem减小到1rem */
    }
    
    #mobile-menu-container .text-xl {
        font-size: var(--mobile-text-lg); /* 将图标字体从默认的1.25rem减小到1.125rem */
    }
    
    #mobile-menu-container .py-2 {
        padding-top: var(--mobile-space-2); /* 减小垂直内边距 */
        padding-bottom: var(--mobile-space-2);
    }
    
    #mobile-menu-container .space-y-4 > :not([hidden]) ~ :not([hidden]) {
        margin-top: var(--mobile-space-3); /* 减小列表项间距 */
    }
    
    #mobile-menu-container .pt-4,
    #mobile-menu-container .mt-4 {
        padding-top: var(--mobile-space-3); /* 减小上边距 */
        margin-top: var(--mobile-space-3);
    }
}

/* 通用滚动优化 */
.mobile-scroll-container {
    overflow-y: auto;
}

/* 防止滚动穿透 */
.no-scroll {
    overflow: hidden;
}