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

:root {
    --primary-color: #ffb6c1;
    --secondary-color: #ffd700;
    --background-dark: #0a0a1a;
    --background-light: rgba(20, 20, 40, 0.85);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(255, 182, 193, 0.3);
}

body {
    background-color: var(--background-dark);
    color: var(--text-primary);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    position: relative;
}

/* 烟花画布 */
#canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: all;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 30, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(255, 182, 193, 0.2);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: bold;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--text-primary);
    background-color: rgba(255, 182, 193, 0.2);
}

/* 管理员登录按钮 */
.admin-login-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    color: white !important;
    border-radius: 20px !important;
    font-weight: 600 !important;
    transition: all 0.3s !important;
}

.admin-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 主容器 */
.main-container {
    max-width: 1400px;
    margin: 80px auto 0;
    padding: 30px;
    position: relative;
    z-index: 10;
}

/* 页面标题 */
.page-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color), #c0c0c0, #b0e0e6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Hero区域 */
.hero-section {
    text-align: center;
    padding: 60px 20px;
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 50px;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 15px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color), #c0c0c0, #b0e0e6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* 搜索框 */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid rgba(255, 182, 193, 0.3);
    border-radius: var(--border-radius);
    background-color: rgba(30, 30, 60, 0.8);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 182, 193, 0.5);
}

.search-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--background-dark);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 182, 193, 0.5);
}

/* 分类网格 */
.categories-section,
.latest-section {
    margin-bottom: 50px;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
    color: var(--text-primary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.category-card {
    background-color: var(--background-light);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    box-shadow: var(--box-shadow);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(255, 182, 193, 0.5);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.category-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.category-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 资源网格 */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.resource-card {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    padding: 20px;
    transition: all 0.3s;
    box-shadow: var(--box-shadow);
    cursor: pointer;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(255, 182, 193, 0.5);
}

.resource-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.resource-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.resource-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.5;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.category-tag {
    background-color: rgba(255, 182, 193, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    color: var(--primary-color);
}

/* 查看更多按钮 */
.view-more {
    text-align: center;
    margin-top: 30px;
}

.btn-primary {
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--background-dark);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 182, 193, 0.5);
}

.btn-secondary {
    padding: 15px 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 2px solid rgba(255, 182, 193, 0.5);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background-color: rgba(255, 182, 193, 0.2);
    border-color: var(--primary-color);
}

/* 统计信息 */
.stats-section {
    margin: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-card {
    background-color: var(--background-light);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

.fireworks-count {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 筛选区域 */
.filter-section {
    background-color: var(--background-light);
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.filter-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-group select,
.filter-search {
    padding: 10px 15px;
    border: 2px solid rgba(255, 182, 193, 0.3);
    border-radius: 8px;
    background-color: rgba(30, 30, 60, 0.8);
    color: var(--text-primary);
    font-size: 0.95rem;
    outline: none;
    min-width: 150px;
}

.search-group {
    flex: 1;
    min-width: 300px;
}

.filter-search {
    flex: 1;
}

.filter-btn {
    padding: 10px 25px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--background-dark);
    border: none;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 10px rgba(255, 182, 193, 0.5);
}

/* 资源列表 */
.resources-list-container {
    min-height: 400px;
    margin-bottom: 30px;
}

.resources-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 30px 0;
}

.pagination button {
    padding: 10px 20px;
    background-color: var(--background-light);
    color: var(--text-primary);
    border: 2px solid rgba(255, 182, 193, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover:not(:disabled) {
    background-color: rgba(255, 182, 193, 0.2);
    border-color: var(--primary-color);
}

.pagination button.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--background-dark);
    border-color: transparent;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 资源详情页 */
.detail-container {
    background-color: var(--background-light);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    margin-bottom: 40px;
}

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

.back-btn {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.back-btn:hover {
    background-color: rgba(255, 182, 193, 0.2);
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
}

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

.detail-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.info-table td {
    padding: 12px 0;
}

.info-label {
    color: var(--text-secondary);
    width: 120px;
}

.tags-container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    background-color: rgba(255, 182, 193, 0.2);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

/* 下载区域 */
.download-box,
.share-box {
    background-color: rgba(30, 30, 60, 0.8);
    padding: 25px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    text-align: center;
}

.download-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.download-box h3,
.share-box h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.download-info {
    margin: 20px 0;
    color: var(--text-secondary);
}

.btn-download {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--background-dark);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    margin: 15px 0;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 182, 193, 0.5);
}

.download-tips {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 15px;
}

.share-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.share-btn {
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 182, 193, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.share-btn:hover {
    background-color: rgba(255, 182, 193, 0.2);
    border-color: var(--primary-color);
}

.related-section {
    margin-top: 50px;
}

/* 上传表单 */
.upload-container {
    max-width: 900px;
    margin: 0 auto;
}

.upload-form {
    background-color: var(--background-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-section {
    margin-bottom: 40px;
}

.form-section h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 2px solid rgba(255, 182, 193, 0.3);
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

.required {
    color: #ff6b6b;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255, 182, 193, 0.3);
    border-radius: 8px;
    background-color: rgba(30, 30, 60, 0.8);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    outline: none;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(255, 182, 193, 0.3);
}

.char-count {
    display: block;
    text-align: right;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 5px;
}

.file-upload-area {
    position: relative;
    border: 2px dashed rgba(255, 182, 193, 0.5);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    background-color: rgba(30, 30, 60, 0.5);
    transition: all 0.3s;
    cursor: pointer;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(30, 30, 60, 0.8);
}

.file-upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.upload-prompt p {
    margin: 5px 0;
}

.upload-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.file-info {
    background-color: rgba(255, 182, 193, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 10px;
}

.file-info p {
    margin: 5px 0;
    color: var(--text-secondary);
}

.form-hint {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

.checkbox-group {
    display: flex;
    align-items: center;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.link {
    color: var(--primary-color);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.success-message {
    background-color: var(--background-light);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.success-message h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.success-message p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.success-message button {
    margin: 0 10px;
}

.upload-guide {
    background-color: var(--background-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-top: 30px;
}

.upload-guide h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.upload-guide ul {
    list-style: none;
    padding-left: 0;
}

.upload-guide li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.upload-guide li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* 页脚 */
.footer {
    background-color: rgba(10, 10, 30, 0.9);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
    position: relative;
    z-index: 10;
    margin-top: 50px;
}

.footer p {
    margin: 5px 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .detail-content {
        grid-template-columns: 1fr;
    }
    
    .detail-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        gap: 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .resources-grid,
    .resources-list {
        grid-template-columns: 1fr;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-group select,
    .filter-search {
        width: 100%;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 15px;
    }
    
    .page-header h1,
    .hero-title {
        font-size: 1.8rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
}