/* 全局样式 - 现代简约风格 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 搜索关键词高亮样式 */
.highlight {
    background-color: rgba(255, 245, 157, 0.7);
    color: var(--primary-color);
    border-radius: 3px;
    padding: 2px 4px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

[data-theme="dark"] .highlight {
    background-color: rgba(255, 245, 157, 0.3);
}

/* 默认亮色主题 - 现代简约 */
:root {
    --primary-color: #2d3748;
    --secondary-color: #4a5568;
    --accent-color: #3182ce;
    --background-color: #ffffff;
    --card-background: #ffffff;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: "LXGW Bright SemiLight", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* 暗色主题 - 现代简约 */
[data-theme="dark"] {
    --primary-color: #e2e8f0;
    --secondary-color: #a0aec0;
    --accent-color: #63b3ed;
    --background-color: #1a202c;
    --card-background: #2d3748;
    --border-color: #4a5568;
    --shadow-color: rgba(0, 0, 0, 0.2);
}

/* 跟随系统主题偏好 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary-color: #e2e8f0;
        --secondary-color: #a0aec0;
        --accent-color: #63b3ed;
        --background-color: #1a202c;
        --card-background: #2d3748;
        --border-color: #4a5568;
        --shadow-color: rgba(0, 0, 0, 0.2);
    }
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--primary-color);
    background-color: var(--background-color);
    font-size: 16px;
    transition: var(--transition);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 20px 0;
}

/* 头部样式 */
header {
    padding: 20px 0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 40px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 20px;
    flex-wrap: nowrap;
}

/* 导航栏中的搜索容器样式 */
.search-container-header {
    display: flex;
    gap: 8px;
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 16px;
    flex: 1;
    max-width: 400px;
    min-width: 250px;
    box-shadow: 0 1px 3px var(--shadow-color);
    transition: var(--transition);
}

.search-container-header:focus-within {
    box-shadow: 0 4px 6px var(--shadow-color);
    border-color: var(--accent-color);
}

/* 导航栏中的搜索输入框样式 */
.search-input-header {
    flex: 1;
    padding: 6px 0;
    font-size: 0.95rem;
    border: none;
    background-color: transparent;
    color: var(--primary-color);
    transition: var(--transition);
    font-family: inherit;
    outline: none;
}

.search-input-header::placeholder {
    color: var(--secondary-color);
    opacity: 0.7;
}

/* 导航栏中的搜索按钮样式 */
.search-btn-header {
    padding: 8px 16px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    font-weight: 500;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(49, 130, 206, 0.2);
}

.search-btn-header:hover {
    background-color: #2c5aa0;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(49, 130, 206, 0.3);
}

.search-btn-header:active {
    transform: translateY(0);
}

/* 导航栏中的取消按钮样式 */
.cancel-btn-header {
    padding: 8px 16px;
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    flex-shrink: 0;
}

.cancel-btn-header:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.05);
}

/* 标题作为logo */
.logo {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
    flex-shrink: 0;
}

.logo:hover {
    opacity: 0.9;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0;
    letter-spacing: -0.5px;
    display: inline-block;
    position: relative;
    padding: 8px 0;
}

/* 导航栏样式 */
.navbar {
    margin: 0;
    flex-shrink: 0;
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 8px 16px;
    position: relative;
    border-radius: 8px;
    background-color: transparent;
    letter-spacing: -0.3px;
}

.nav-link:hover {
    color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.05);
}

.nav-link.active {
    color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.1);
    font-weight: 600;
}

/* 主题切换按钮样式 */
.theme-toggle {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    cursor: pointer;
    padding: 10px;
    border-radius: 12px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 1px 3px var(--shadow-color);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px var(--shadow-color);
}

/* 搜索状态信息 */
.search-info {
    text-align: center;
    color: var(--secondary-color);
    font-style: normal;
    font-size: 0.9rem;
    padding: 16px;
    background-color: var(--card-background);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 20px;
    box-shadow: 0 1px 3px var(--shadow-color);
}

/* 进度条容器样式 */
.progress-bar-container {
    width: 100%;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 10px;
    margin-top: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 进度条样式 */
.progress-bar {
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 10px;
    transition: width 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 进度条动画效果 */
.progress-bar.progressing::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 100%
    );
    animation: progress-animation 1.5s infinite;
}

.progress-text {
    position: relative;
    z-index: 1;
    font-size: 12px;
    white-space: nowrap;
}

@keyframes progress-animation {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* 搜索信息样式优化 */
.search-info p {
    margin: 5px 0;
    line-height: 1.4;
}

/* 主要内容样式 */
main {
    flex: 1;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}

section {
    margin-bottom: 40px;
}

/* 搜索结果样式 */
.results-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

/* 瀑布流布局 */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    width: 100%;
    grid-auto-flow: row dense;
    align-items: start;
}

/* 旧的列表样式，保留以兼容 */
.poems-list {
    display: none;
}

.poem-item {
    background-color: var(--card-background);
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    grid-column: span 1;
    min-height: 350px;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.poem-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--shadow-color);
}

.poem-header {
    margin-bottom: 20px;
}

.poem-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--primary-color);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.poem-header h3:hover {
    color: var(--accent-color);
}

.poem-meta {
    font-size: 0.9rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.poem-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.poem-content {
    margin-bottom: 24px;
    line-height: 2.2;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
    padding: 16px 20px;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 12px;
    flex: 1;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 6;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}

[data-theme="dark"] .poem-content {
    background-color: rgba(255, 255, 255, 0.02);
}

.poem-content p {
    white-space: pre-wrap;
    margin: 0;
}

.poem-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: auto;
}

.copy-btn, .details-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition);
    text-decoration: none;
    font-weight: 500;
}

.copy-btn:hover, .details-btn:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.05);
    text-decoration: none;
}

.poem-details {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-item {
    margin-bottom: 20px;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
    letter-spacing: -0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.detail-item h4::before {
    content: '';
    width: 4px;
    height: 16px;
    background-color: var(--accent-color);
    border-radius: 2px;
}

.detail-item p {
    font-size: 0.9rem;
    color: var(--secondary-color);
    line-height: 1.7;
    padding-left: 12px;
}

/* 状态提示样式 */
.empty-state, .welcome-state {
    text-align: center;
    color: var(--secondary-color);
    padding: 80px 40px;
    font-size: 1.05rem;
    background-color: var(--card-background);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    margin: 40px 0;
    transition: var(--transition);
}

.empty-state:hover, .welcome-state:hover {
    box-shadow: 0 8px 24px var(--shadow-color);
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 40px 0 20px;
    margin-top: 60px;
    color: var(--secondary-color);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
}

/* 分页导航样式 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    padding: 16px;
    background-color: var(--card-background);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.pagination-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    border-radius: 8px;
}

.pagination-number:hover:not(:disabled) {
    color: var(--accent-color);
    border-color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.05);
}

.pagination-number.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(49, 130, 206, 0.3);
}

.pagination-btn,
.pagination-nav {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--secondary-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.pagination-btn:hover:not(:disabled),
.pagination-nav:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: rgba(49, 130, 206, 0.05);
}

.pagination-btn:disabled,
.pagination-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* 页码输入框容器样式 */
.page-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 16px;
}

/* 页码输入框样式 */
.page-input {
    width: 60px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    background-color: var(--background-color);
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: center;
    transition: var(--transition);
}

.page-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(49, 130, 206, 0.1);
}

/* 分页分隔符样式 */
.page-input-separator {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* 总页数显示样式 */
.total-pages {
    color: var(--secondary-color);
    font-size: 0.9rem;
    min-width: 30px;
    text-align: right;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .search-container-header {
        max-width: 300px;
    }
    
    .navbar ul {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }
    
    .header-content {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .search-container-header {
        order: 4;
        width: 100%;
        max-width: none;
        min-width: none;
        margin-top: 10px;
    }
    
    .navbar {
        width: 100%;
        order: 3;
    }
    
    .navbar ul {
        justify-content: center;
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .nav-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    main {
        max-width: 100%;
    }
    
    /* 移动端瀑布流调整为单列 */
    .masonry-grid {
        grid-template-columns: 1fr;
    }
    
    .poem-item {
        padding: 20px;
    }
    
    .poem-header h3 {
        font-size: 1.3rem;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 16px 0;
        margin-bottom: 24px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .logo span {
        font-size: 1.4rem;
    }
    
    .navbar ul {
        gap: 10px;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 6px 10px;
    }
    
    .poem-item {
        padding: 16px;
    }
    
    .theme-toggle {
        position: absolute;
        top: 15px;
        right: 15px;
        padding: 8px;
    }
    
    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
    
    .search-container-header {
        gap: 8px;
        padding: 6px 12px;
    }
    
    .search-input-header {
        font-size: 0.9rem;
    }
    
    .poem-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .poem-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
}