/* 移动端优化样式 */

/* 基础设置 */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --danger-color: #f56565;
    --info-color: #4299e1;
    --light-color: #f7fafc;
    --dark-color: #2d3748;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 移动端优化的基础样式 */
.mobile-optimized {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 防止缩放和选择 */
.mobile-optimized * {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 允许文本选择的元素 */
.mobile-optimized input,
.mobile-optimized textarea,
.mobile-optimized .tutorial-content,
.mobile-optimized .selectable {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* 导航栏优化 */
.mobile-navbar {
    height: 60px;
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mobile-navbar .navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
}

.mobile-navbar .nav-link {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    transition: var(--transition);
}

.mobile-navbar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主要内容区域 */
.main-content {
    margin-bottom: 60px;
    min-height: calc(100vh - 60px);
}

/* 消息提示优化 */
.mobile-alert {
    border-radius: var(--border-radius);
    border: none;
    font-size: 0.9rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-alert .btn-close {
    font-size: 0.8rem;
    padding: 0.5rem;
}

/* 底部导航 */
.bottom-nav {
    position: fixed !important;
    bottom: 0 !important;
    left: 0;
    right: 0;
    width: 100%;
    background: white;
    border-top: 1px solid #e9ecef;
    padding: 0.4rem 0;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    height: 60px;
    transform: none !important;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #6c757d;
    padding: 0.3rem 0.5rem;
    border-radius: 8px;
    font-size: 0.75rem;
    position: relative;
    height: 100%;
    /* 移除transition避免闪烁 */
}

.bottom-nav-item i {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
    /* 确保图标稳定显示 */
    display: block;
    width: 1.1rem;
    height: 1.1rem;
    line-height: 1.1rem;
    text-align: center;
}

.bottom-nav-item.active {
    color: var(--primary-color);
    background-color: rgba(102, 126, 234, 0.1);
    text-decoration: none;
}

.bottom-nav-item:hover {
    color: var(--primary-color);
    text-decoration: none;
    /* 移除背景色变化避免闪烁 */
}

/* 本地图标优化 */
.bottom-nav-item .icon {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    display: block;
    width: 1.2rem;
    height: 1.2rem;
    line-height: 1.2rem;
    text-align: center;
}

/* 按钮优化 */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* 表单优化 */
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e9ecef;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-control-lg {
    padding: 1rem 1.25rem;
    font-size: 1.1rem;
}

.form-floating > .form-control {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
}

.form-floating > label {
    padding: 1rem 1.25rem;
}

/* 卡片优化 */
.card {
    border: none;
    border-radius: 16px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-bottom: none;
    border-radius: 16px 16px 0 0 !important;
    padding: 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    border-top: none;
    border-radius: 0 0 16px 16px !important;
    padding: 1.5rem;
    background: transparent;
}

/* 进度条优化 */
.progress {
    height: 8px;
    border-radius: 4px;
    background-color: #f8f9fa;
    overflow: hidden;
}

.progress-bar {
    border-radius: 4px;
    transition: width 0.6s ease;
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-image: linear-gradient(
        -45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* 列表优化 */
.list-group-item {
    border: none;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    padding: 1rem 1.25rem;
    background: #f8f9fa;
    transition: var(--transition);
}

.list-group-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.list-group-item.active {
    background: var(--primary-color);
    color: white;
}

/* 模态框优化 */
.modal-content {
    border: none;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    border-bottom: 1px solid #f1f3f4;
    border-radius: 20px 20px 0 0;
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid #f1f3f4;
    border-radius: 0 0 20px 20px;
    padding: 1.5rem;
}

/* 下拉菜单优化 */
.dropdown-menu {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    /* 移除透明卡片包裹效果 */
    background-color: white;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* 确保下拉菜单不影响其他元素 */
.dropdown-toggle::after {
    display: inline-block;
    margin-left: 0.255em;
    vertical-align: 0.255em;
    content: "";
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-bottom: 0;
    border-left: 0.3em solid transparent;
}

/* 移除下拉菜单的透明背景覆盖层 */
.dropdown-menu.show {
    background-color: white;
    border: 1px solid rgba(0,0,0,.15);
}

/* 确保导航栏品牌不受下拉菜单影响 */
.navbar-brand {
    position: relative;
    z-index: 1050;
    pointer-events: auto;
}

/* 防止下拉菜单影响导航栏其他元素 */
.mobile-navbar .dropdown {
    position: relative;
    z-index: 1040;
}

.mobile-navbar .dropdown-menu {
    position: absolute;
    right: 0;
    left: auto;
    z-index: 1041;
    min-width: 160px;
    /* 确保下拉菜单不会覆盖或影响左侧内容 */
    transform: translateX(0);
}

/* 移除Bootstrap默认的backdrop效果 */
.dropdown-backdrop {
    display: none !important;
}

/* 确保下拉菜单打开时不影响页面布局 */
.dropdown.show .dropdown-menu {
    display: block;
    position: absolute;
    will-change: transform;
    top: 100%;
    right: 0;
    left: auto;
}

.dropdown-item {
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
    border-radius: 0;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--dark-color);
}

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

/* 徽章优化 */
.badge {
    border-radius: 20px;
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    font-size: 0.75rem;
}

/* 工具提示优化 */
.tooltip {
    font-size: 0.8rem;
}

.tooltip-inner {
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
}

/* 分页优化 */
.pagination {
    margin-bottom: 0;
}

.page-link {
    border: none;
    border-radius: 8px;
    margin: 0 0.25rem;
    padding: 0.75rem 1rem;
    color: var(--dark-color);
    transition: var(--transition);
}

.page-link:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 表格优化 */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    border-bottom: 2px solid #e9ecef;
    font-weight: 600;
    color: var(--dark-color);
    background-color: #f8f9fa;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
}

/* 手风琴优化 */
.accordion-item {
    border: none;
    border-radius: var(--border-radius);
    margin-bottom: 0.5rem;
    box-shadow: var(--box-shadow);
}

.accordion-header {
    border-radius: var(--border-radius);
}

.accordion-button {
    border-radius: var(--border-radius);
    font-weight: 500;
    padding: 1rem 1.25rem;
}

.accordion-button:not(.collapsed) {
    background-color: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.accordion-body {
    padding: 1.25rem;
}

/* 轮播图优化 */
.carousel-item {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 2rem;
    height: 2rem;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
}

.carousel-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin: 0 3px;
}

/* 面包屑优化 */
.breadcrumb {
    background: none;
    padding: 0;
    margin-bottom: 1rem;
}

.breadcrumb-item {
    font-size: 0.9rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: #6c757d;
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 500;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 0.25rem solid #f3f3f3;
    border-top: 0.25rem solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 滑入动画 */
.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 弹跳动画 */
.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.05); opacity: 1; }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* 响应式设计 */
@media (max-width: 576px) {
    .container-fluid {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .btn-lg {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }
    
    .btn-sm {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .form-control {
        font-size: 16px; /* 防止iOS缩放 */
    }
    
    .modal-dialog {
        margin: 1rem;
    }
    
    .card-body,
    .card-header,
    .card-footer {
        padding: 1rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.1rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.9rem; }
}

@media (max-width: 768px) {
    .main-content {
        margin-bottom: 80px;
    }
    
    .bottom-nav {
        padding: 0.75rem 0;
    }
    
    .bottom-nav-item {
        font-size: 0.75rem;
    }
    
    .bottom-nav-item i {
        font-size: 1.1rem;
    }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .mobile-optimized {
        -webkit-font-smoothing: subpixel-antialiased;
    }
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 500px) {
    .mobile-navbar {
        height: 50px;
    }
    
    
    .bottom-nav {
        display: none;
    }
    
    .main-content {
        margin-bottom: 0;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .mobile-optimized {
        background-color: #1a1a1a;
        color: #e0e0e0;
    }
    
    .card {
        background-color: #2d2d2d;
        color: #e0e0e0;
    }
    
    .form-control {
        background-color: #3a3a3a;
        border-color: #555;
        color: #e0e0e0;
    }
    
    .form-control:focus {
        background-color: #3a3a3a;
        border-color: var(--primary-color);
        color: #e0e0e0;
    }
    
    .bottom-nav {
        background-color: #2d2d2d;
        border-top-color: #555;
    }
    
    .mobile-navbar {
        background-color: var(--primary-color) !important;
    }
}

/* 无障碍优化 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .form-control {
        border-width: 2px;
    }
    
    .card {
        border: 1px solid #666;
    }
}

/* 打印样式 */
@media print {
    .mobile-navbar,
    .bottom-nav,
    .floating-actions,
    .btn {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}