/* 将原始的 styles.css 内容完整复制到这里 */
:root {
    --primary-color: #2196F3;
    --background-color: #f5f5f5;
    --card-background: #ffffff;
    --text-color: #333333;
    --border-color: #e0e0e0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
}

.container {
    display: flex;
    min-height: 100vh;
    margin-top: 20px;
}

/* 侧边栏样式 */
.sidebar {
    width: 250px;
    background-color: var(--card-background);
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    height: calc(100vh - 70px);
    overflow-y: auto;
    margin-top: 0;
}

.sidebar h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
}

.filter-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    background-color: #f8f9fa;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.filter-item:hover {
    background-color: var(--primary-color);
    color: white;
}

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

.filter-item input[type="checkbox"] {
    display: none;
}

.filter-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    cursor: pointer;
}

.filter-item .checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-item input[type="checkbox"]:checked + label .checkbox-custom::after {
    content: '\2713';
    color: currentColor;
    font-size: 14px;
}

.filter-stats {
    margin-left: auto;
    font-size: 0.9em;
    opacity: 0.8;
}

/* 主要内容区样式 */
.main-content {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: #f8f9fa;
}

/* 搜索框样式 */
.search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

#searchInput {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

#searchInput:focus {
    outline: none;
    border-color: var(--primary-color);
}

#searchButton {
    padding: 0 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#searchButton:hover {
    background-color: #1976D2;
}

/* 结果卡片样式 */
.package-card {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.package-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.package-summary {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 10px;
    align-items: center;
}

.package-summary > div {
    padding: 8px;
    border-radius: 4px;
}

.package-summary > div:not(.package-name) {
    background-color: #f8f9fa;
    font-size: 0.9em;
}

.package-name {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.package-name::before {
    content: '\F0425';
    font-family: 'Material Design Icons';
    font-size: 20px;
}

.package-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.detail-item {
    margin-bottom: 8px;
}

.detail-label {
    font-weight: 500;
    color: #666;
}

/* 分页控制样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: auto;
    padding: 20px 0;
}

.page-btn {
    padding: 8px 15px;
    border: none;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.page-btn:hover {
    background-color: #1976D2;
}

.page-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

#currentPage {
    font-size: 16px;
    color: var(--text-color);
}

/* 详情页样式 */
.detail-page {
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.detail-header {
    margin-bottom: 30px;
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.back-button:hover {
    background-color: rgba(33, 150, 243, 0.1);
}

.detail-content {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.detail-section {
    margin-bottom: 30px;
}

.detail-section-title {
    font-size: 14px;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 8px;
}

.detail-section-content {
    font-size: 16px;
    line-height: 1.5;
}

/* 弹窗样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--card-background);
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    margin: auto;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.modal-header {
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
}

.modal-title .mdi {
    font-size: 24px;
}

.close-button {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.close-button:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
}

/* 详情内容样式 */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.detail-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.detail-section.full-width {
    grid-column: 1 / -1;
}

.detail-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 12px;
}

.detail-section-title .mdi {
    font-size: 18px;
    color: var(--primary-color);
}

.detail-section-content {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
}

.detail-section-content:empty::after {
    content: "N/A";
    color: #999;
    font-style: italic;
}

/* 源链接样式 */
.source-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.source-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.3s;
    word-break: break-all;
}

.source-link:hover {
    background-color: rgba(33, 150, 243, 0.1);
}

.source-link .mdi {
    font-size: 16px;
    flex-shrink: 0;
}

.source-name {
    color: var(--text-color);
}

.source-link:hover .source-name {
    color: var(--primary-color);
}

/* 返回按钮样式 */
.back-to-home {
    margin-bottom: 20px;
}

.back-home-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color 0.3s;
}

.back-home-btn:hover {
    background-color: #1976D2;
}

.back-home-btn .mdi {
    font-size: 20px;
}

/* 顶部导航栏样式 */
.top-nav {
    background: linear-gradient(135deg, var(--primary-color), #1976D2);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-back {
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-back:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(-5px);
}

.nav-back .mdi {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.nav-back:hover .mdi {
    transform: translateX(-3px);
}

.nav-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 500;
}

.nav-title .mdi {
    font-size: 24px;
}

/* 添加响应式设计 */
@media (max-width: 768px) {
    .nav-content {
        padding: 12px 16px;
    }

    .nav-title {
        font-size: 1rem;
    }

    .nav-back span:not(.mdi) {
        display: none; /* 在移动端只显示图标 */
    }
}

/* 添加平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 表头样式 */
.package-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 10px;
    padding: 15px;
    background-color: #f5f5f5;
    border-radius: 8px;
    margin-bottom: 10px;
    font-weight: 500;
}

.header-cell {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    user-select: none;
    transition: color 0.3s;
}

.header-cell:hover {
    color: var(--primary-color);
}

.sort-icon {
    font-size: 18px;
    opacity: 0.6;
}

.header-cell:hover .sort-icon {
    opacity: 1;
}