/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 0;
}

/* 头部样式 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: #1a73e8;
    text-decoration: none;
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav li {
    margin: 0 20px;
}

.nav a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s;
}

.nav a:hover {
    color: #1a73e8;
}

.user-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    position: relative;
}

.user-welcome {
    color: #333;
    font-weight: 500;
    margin-right: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.user-welcome:hover {
    background-color: #f5f5f5;
}

/* 用户下拉菜单样式 */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: white;
    min-width: 180px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1000;
    border-radius: 4px;
    overflow: hidden;
}

.user-dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
}

.dropdown-content a:hover {
    background-color: #f1f1f1;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}

.btn-primary {
    background-color: #1a73e8;
    color: white;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 4px;
    height: 40px;
    min-width: 80px;
}

.btn-primary:hover {
    background-color: #1557b0;
}

/* 预览按钮浅绿色样式 */
.btn-preview {
    background-color: #85c785;
    color: white;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 4px;
    height: 40px;
    min-width: 80px;
}

.btn-preview:hover {
    background-color: #6caf6c;
}

.btn-secondary {
    background-color: #e8f0fe;
    color: #1a73e8;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 4px;
    height: 40px;
    min-width: 80px;
}

.btn-secondary:hover {
    background-color: #d2e3fc;
}

/* 购买按钮样式 */
.btn-success {
    background-color: #4caf50;
    color: white;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 4px;
    height: 40px;
    min-width: 80px;
}

.btn-success:hover {
    background-color: #3d8b40;
}

/* 收藏按钮样式 */
.btn-tertiary {
    background-color: #ff9800;
    color: white;
    font-size: 14px;
    padding: 10px 16px;
    border-radius: 4px;
    height: 40px;
    min-width: 80px;
}

.btn-tertiary:hover {
    background-color: #f57c00;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, #1a73e8 0%, #4285f4 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.search-box {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
}

.search-box input {
    flex: 4;
    padding: 15px 20px;
    font-size: 16px;
    line-height: 1.2;
    border: none;
    border-radius: 4px 0 0 4px;
    outline: none;
    height: 50px;
}

.search-box button {
    flex: 1;
    padding: 15px 20px;
    border-radius: 0 4px 4px 0;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    max-width: 120px;
    white-space: nowrap;
}

/* 分类区域 */
.categories {
    padding: 60px 0;
}

.categories h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.category-list {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.category-item {
    flex: 1;
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.category-item h4 {
    font-size: 20px;
    margin-top: 20px;
}

/* 标签容器样式 */
.tabs-container {
    background-color: #fff;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tab {
    padding: 12px 30px;
    border: 1px solid #ddd;
    background-color: #f9f9f9;
    font-size: 16px;
    color: #333;
    cursor: pointer;
    transition: all 0.3s;
    border-radius: 4px 4px 0 0;
    margin-bottom: -1px;
}

.tab:hover {
    background-color: #f0f0f0;
    color: #1a73e8;
}

.tab.active {
    background-color: #fff;
    color: #1a73e8;
    border-color: #1a73e8;
    border-bottom-color: #fff;
    font-weight: 600;
}

/* 标签内容区域样式 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 歌曲列表 */
.featured-songs {
    padding: 60px 0;
    background-color: #fff;
}

/* 分页控件样式 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    gap: 10px;
}

.pagination a {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
    background-color: #fff;
}

.pagination a:hover {
    background-color: #f0f0f0;
    color: #1a73e8;
    border-color: #1a73e8;
}

.pagination a.active {
    background-color: #1a73e8;
    color: white;
    border-color: #1a73e8;
    font-weight: 600;
}

.pagination .prev:hover, .pagination .next:hover {
    background-color: #e9ecef;
}

.featured-songs h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.song-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    /* IE11及以下版本的兼容性处理 */
    display: -ms-grid;
    -ms-grid-columns: 1fr 20px 1fr 20px 1fr 20px 1fr;
}

/* IE11兼容性：为每个song-card设置网格位置 */
.song-list .song-card:nth-child(4n+1) {
    -ms-grid-column: 1;
}

.song-list .song-card:nth-child(4n+2) {
    -ms-grid-column: 3;
}

.song-list .song-card:nth-child(4n+3) {
    -ms-grid-column: 5;
}

.song-list .song-card:nth-child(4n+4) {
    -ms-grid-column: 7;
}

/* IE10及以下版本的fallback - 使用flexbox */
@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
    .song-list {
        display: flex;
        flex-wrap: wrap;
        -ms-flex-wrap: wrap;
    }
    
    .song-card {
        width: calc(25% - 20px);
        -ms-flex: 0 0 calc(25% - 20px);
        margin-right: 20px;
        margin-bottom: 20px;
    }
    
    .song-card:nth-child(4n) {
        margin-right: 0;
    }
}

.song-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

.song-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.song-cover {
    height: 180px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.song-cover .sheet-preview {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    margin-top: 0;
    padding: 0;
    background-color: transparent;
    box-shadow: none;
    border-radius: 0;
}

.song-info {
    padding: 20px;
}

.song-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.song-artist {
    color: #666;
    margin-bottom: 12px;
}

.song-details {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #666;
    margin-bottom: 16px;
}

.song-actions {
    display: flex;
    gap: 10px;
}

.song-actions .btn-primary {
    flex: 1;
}

.song-actions .btn-secondary {
    flex: 1;
}

.song-actions .btn-tertiary {
    flex: 1;
}

/* 排行榜页面 */
.rankings-page {
    padding: 40px 0;
}

.ranking-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}

.ranking-tab {
    padding: 12px 30px;
    border: none;
    background-color: #f0f0f0;
    margin: 0 10px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 16px;
}

.ranking-tab.active {
    background-color: #1a73e8;
    color: white;
}

.ranking-list {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #eee;
    transition: background-color 0.3s;
}

.ranking-item:last-child {
    border-bottom: none;
}

.ranking-item:hover {
    background-color: #f8f9fa;
}

.rank-number {
    font-size: 24px;
    font-weight: 700;
    color: #1a73e8;
    width: 50px;
    text-align: center;
}

.rank-content {
    flex: 1;
}

/* 详情页 */
.song-detail {
    padding: 40px 0;
}

.detail-container {
    display: grid;
    grid-template-columns: 1fr 3fr;
    gap: 40px;
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin: 0;
}


.song-meta h2 {
    font-size: 32px;
    margin-bottom: 10px;
}

.song-meta .artist {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
}

.song-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 600;
    color: #1a73e8;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

/* 登录注册页面 */
.auth-page {
    padding: 60px 0;
}

.auth-container {
    max-width: 400px;
    margin: 0 auto;
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.auth-container h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.form-group input:focus {
    outline: none;
    border-color: #1a73e8;
}

/* 表单选项区域样式 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.form-options label {
    display: flex;
    align-items: center;
    margin-bottom: 0;
    font-weight: normal;
    cursor: pointer;
}

.form-options label input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
    padding: 0;
}

.form-options .forgot-password {
    color: #1a73e8;
    text-decoration: none;
    font-size: 14px;
}

.form-options .forgot-password:hover {
    text-decoration: underline;
}

.form-actions {
    text-align: center;
    margin-top: 30px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer a {
    color: #1a73e8;
    text-decoration: none;
}

/* 视频预览 */
.video-preview {
    margin-top: 40px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.video-preview h3 {
    margin-bottom: 20px;
}

.video-content {
    position: relative;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
    text-align: center;
}

.video-content video {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.video-restriction {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(255,255,255,0.95);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    max-width: 90%;
    text-align: center;
}

.video-restriction h4 {
    margin-bottom: 10px;
    color: #333;
}

.video-restriction p {
    margin-bottom: 15px;
    color: #666;
}

.video-error {
    padding: 40px 20px;
    text-align: center;
    color: #666;
}

/* 简谱预览 */
.sheet-preview {
    margin-top: 40px;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.sheet-preview h3 {
    margin-bottom: 20px;
}

.sheet-content {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 4px;
    position: relative;
}

.sheet-preview .preview-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 85%;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.95));
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 40px;
}

.sheet-preview .preview-overlay-content {
    text-align: center;
}

.sheet-preview .preview-overlay h4 {
    font-size: 20px;
    margin-bottom: 10px;
}

/* 底部样式 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0;
    margin-top: 60px;
}

/* 页脚标签样式 - 确保footer标签也有深色背景 */
footer {
    background-color: #333 !important;
    color: #fff !important;
    padding: 40px 0;
    margin-top: 60px;
}

/* 页脚顶部信息区 */
footer .footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

/* 页脚信息块 */
footer .footer-info {
    flex: 1;
    margin-right: 20px;
}

footer .footer-info:last-child {
    margin-right: 0;
}

footer .footer-info h3 {
    margin-bottom: 10px;
    font-size: 18px;
    color: #fff;
}

footer .footer-info p {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* 页脚底部版权区 */
footer .footer-bottom {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

footer .footer-bottom p {
    margin: 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 容器调整 */
    .container {
        padding: 0 15px;
    }
    
    /* 头部样式 */
    .header-content {
        flex-direction: column;
        gap: 15px;
        padding: 15px 0;
    }
    
    .logo {
        font-size: 24px;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .nav li {
        margin: 0 10px;
    }
    
    .user-actions {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* 英雄区域 */
    .hero {
        padding: 60px 0;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    /* 按钮样式 */
    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    /* 分类列表 */
    .category-list {
        flex-direction: column;
    }
    
    /* 详情页面 */
    .detail-container {
        grid-template-columns: 1fr;
    }
    
    /* 歌曲详情页 */
    .song-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .song-cover {
        width: 200px;
        height: 200px;
        margin-right: 0;
        margin-bottom: 20px;
    }
    
    .song-title {
        font-size: 24px;
    }
    
    .song-meta {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    .song-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }
    
    /* 内容区域 */
    .content-section {
        padding: 10px;
    }
    
    .content-title {
        font-size: 16px;
    }
    
    /* 页脚样式 */
    .footer {
        padding: 30px 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    
    /* 页脚移动端样式 */
    footer .footer-top {
        flex-direction: column;
    }
    
    footer .footer-info {
        margin-right: 0;
        margin-bottom: 20px;
        text-align: center;
    }
    
    footer .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
    
    footer .footer-bottom div {
        margin: 5px 0;
    }
    
    /* 模态框样式 */
    .modal-content {
        margin: 10% auto;
        width: 90%;
        max-width: 400px;
    }
    
    /* 表单样式 */
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"] {
        width: 100%;
        padding: 10px;
    }
    
    /* 歌曲列表 */
    .song-list {
        padding: 0;
    }
    
    .song-item {
        flex-direction: column;
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .song-item .song-info {
        width: 100%;
        margin-bottom: 15px;
    }
    
    .song-item .song-actions {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }
    
    .song-item .btn {
        width: 100%;
        margin: 0;
    }
    
    /* 用户中心 */
    .user-overview {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .user-nav ul {
        justify-content: center;
    }
    
    .user-nav li {
        margin-right: 15px;
        margin-bottom: 10px;
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-header .avatar {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    /* 侧边栏 */
    .sidebar {
        margin-left: 0;
        margin-top: 20px;
        width: 100%;
    }
    
    /* 搜索框 */
    .search-box {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-box input {
        width: 100%;
        margin-right: 0;
    }
    
    .search-box button {
        width: 100%;
    }
}

/* 小屏幕手机适配 */
@media (max-width: 480px) {
    .hero h2 {
        font-size: 24px;
    }
    
    .song-cover {
        width: 180px;
        height: 180px;
    }
    
    .song-title {
        font-size: 20px;
    }
    
    .btn {
        padding: 7px 14px;
        font-size: 13px;
    }
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

/* 错误提示 */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
}

/* 成功提示 */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
}

/* 静态页面样式 */
.static-page {
    min-height: calc(100vh - 200px); /* 减去头部和底部的高度，确保内容占满一屏 */
    padding: 60px 20px;
    background-color: #fff;
}

.static-page h1 {
    font-size: 36px;
    margin-bottom: 30px;
    color: #333;
    text-align: center;
}

.static-page h3 {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 20px;
    color: #222;
}

.static-page h4 {
    font-size: 20px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #333;
}

.static-page p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #555;
    text-align: justify;
}

.page-content {
    max-width: 1000px;
    margin: 0 auto;
}

/* BUG报告和求谱记录样式 */
.bug-reports-section,
.sheet-requests-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 30px;
}

.bug-reports-section h3,
.sheet-requests-section h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #1a73e8;
    padding-bottom: 10px;
}

.bug-form,
.request-form {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 15px;
}

.form-row .form-group {
    margin-bottom: 0;
}

.bug-form label,
.request-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.bug-form input,
.bug-form textarea,
.bug-form select,
.request-form input,
.request-form textarea,
.request-form select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.bug-form input:focus,
.bug-form textarea:focus,
.bug-form select:focus,
.request-form input:focus,
.request-form textarea:focus,
.request-form select:focus {
    outline: none;
    border-color: #1a73e8;
}

.bug-form textarea,
.request-form textarea {
    min-height: 100px;
    resize: vertical;
}

.bug-form .form-group,
.request-form .form-group {
    margin-bottom: 20px;
}

.bug-form .btn-submit,
.request-form .btn-submit {
    background-color: #1a73e8;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s;
}

.bug-form .btn-submit:hover,
.request-form .btn-submit:hover {
    background-color: #1557b0;
}

/* 历史记录列表样式 */
.history-list {
    margin-top: 30px;
}

.history-list h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #555;
}

.report-list,
.request-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.report-item,
.request-item {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s;
}

.report-item:hover,
.request-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.report-item h4,
.request-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.report-item p,
.request-item p {
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
}

.report-item strong,
.request-item strong {
    color: #333;
    font-weight: 600;
}

/* 状态标签样式 */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.status-badge.pending {
    background-color: #fff3cd;
    color: #856404;
}

.status-badge.verified,
.status-badge.completed {
    background-color: #d4edda;
    color: #155724;
}

.status-badge.rejected {
    background-color: #f8d7da;
    color: #721c24;
}

.status-badge.in-progress {
    background-color: #cce5ff;
    color: #004085;
}

/* 状态样式 */
.report-item.pending,
.request-item.pending {
    border-left: 4px solid #ffc107;
}

.report-item.verified,
.request-item.completed {
    border-left: 4px solid #28a745;
}

.report-item.rejected {
    border-left: 4px solid #dc3545;
}

.request-item.in-progress {
    border-left: 4px solid #007bff;
}

/* 隐藏/显示输入组 */
#url-input-group,
#file-input-group {
    display: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .bug-reports-section,
    .sheet-requests-section {
        padding: 20px;
    }
    
    .bug-form,
    .request-form {
        padding: 15px;
    }
}