/* app/static/css/statistics.css */
:root {
    --primary-color: #f8c4d4;
    --secondary-color: #fde9f1;
    --accent-color: #e684ae;
    --text-color: #7a4b56;
    --light-text: #a67b84;
    --border-color: #f3d1dc;
    --shadow-color: rgba(244, 188, 204, 0.25);
    --hover-color: #f4bccc;
}

body {
    background-color: #fff9fb;
    color: var(--text-color);
    font-family: 'Arial', sans-serif;
}

.statistics-container {
    padding: 25px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow-color);
    position: relative;
    overflow: hidden;
}

.page-title {
    color: var(--accent-color);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px dotted var(--border-color);
    text-align: center;
    font-family: 'Ma Shan Zheng', cursive, Arial, sans-serif;
    font-size: 2.2em;
    letter-spacing: 1px;
}

/* 波浪下划线动画 */
.page-title:after {
    content: '';
    display: block;
    width: 100px;
    height: 5px;
    margin: 10px auto 0;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    border-radius: 5px;
    animation: wave 3s infinite linear;
}

@keyframes wave {
    0%, 100% { background-position-x: 0%; }
    50% { background-position-x: 100%; }
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--light-text);
}

.breadcrumb a {
    color: var(--accent-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    text-decoration: underline;
    color: #d06b9c;
}

.breadcrumb .current-page {
    color: var(--text-color);
    font-weight: 500;
}

/* 原始卡片菜单 */
.stats-menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

/* 原始卡片样式 */
.stats-card {
    background-color: var(--secondary-color);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stats-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 20px var(--shadow-color);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.card-description {
    font-size: 14px;
    color: var(--light-text);
}

.filter-section {
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    background-color: var(--secondary-color);
    padding: 12px 18px;
    border-radius: 10px;
    border: 1px dashed var(--border-color);
}

.filter-label {
    font-weight: 500;
    margin-right: 10px;
    color: var(--text-color);
}

.filter-select {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    color: var(--text-color);
    font-size: 0.95em;
    transition: border-color 0.3s, box-shadow 0.3s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23e684ae' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(230, 132, 174, 0.25);
}

.ml-20 {
    margin-left: 20px;
}

.chart-container {
    background-color: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 15px var(--shadow-color);
    margin-bottom: 35px;
    position: relative;
    height: 400px; /* 添加固定高度 */
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.chart-container canvas {
    max-height: 100%;
    z-index: 1;
    position: relative;
}

/* 图表装饰元素 */
.chart-decoration {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.6;
    z-index: 0;
}

.chart-decoration.left {
    top: -15px;
    left: -15px;
}

.chart-decoration.right {
    bottom: -15px;
    right: -15px;
}

.floating {
    animation: floating 6s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10px, 10px) scale(1.1); }
    100% { transform: translate(0, 0) scale(1); }
}

/* 适配小图表 */
.chart-container.half {
    height: auto;
    min-height: 400px;
    padding-bottom: 40px; /* 增加底部空间 */
}

/* 特别针对分类图表的调整 */
.chart-container.half .chart-wrapper {
    height: 340px; /* 增加图表容器高度 */
    padding-bottom: 20px; /* 增加底部填充 */
}

/* 确保图表完整显示 */
canvas#category-chart {
    max-height: 100%;
    margin-bottom: 20px;
    padding-bottom: 20px;
    position: relative;
}
/* 移除图表装饰元素在分类饼图中的影响 */
.chart-container.half::before,
.chart-container.half::after {
    width: 40px;
    height: 40px;
    opacity: 0.3;
}
/* 调整图例位置，确保其正确显示 */
.chart-container.half .chart-wrapper {
    position: relative;
}


.chart-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.half {
    flex: 1 1 calc(50% - 10px);
    min-width: 300px;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px var(--shadow-color);
}

.data-table th, .data-table td {
    padding: 14px 18px;
    text-align: left;
}

.data-table th {
    background-color: var(--primary-color);
    font-weight: 600;
    color: var(--text-color);
    letter-spacing: 0.5px;
}

.data-table tr {
    transition: background-color 0.3s;
}

.data-table tr:nth-child(even) {
    background-color: var(--secondary-color);
}

.data-table tr:nth-child(odd) {
    background-color: white;
}

.data-table tr:hover {
    background-color: #fceef3;
}

.loading-row td {
    text-align: center;
    padding: 30px;
    color: var(--light-text);
}

.loading-animation {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-animation:before {
    content: '📖';
    margin-right: 10px;
    animation: bookFlip 2s infinite;
    display: inline-block;
}

@keyframes bookFlip {
    0% { transform: rotateY(0deg); }
    50% { transform: rotateY(180deg); }
    100% { transform: rotateY(360deg); }
}

.dot-animation {
    display: inline-block;
    animation: dotAnimation 1.5s infinite;
}

@keyframes dotAnimation {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.stats-card .card-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--accent-color);
}

/* 引用容器 */
.quote-container {
    text-align: center;
    margin: 40px auto 20px;
    max-width: 600px;
    font-style: italic;
    color: var(--text-color);
    padding: 20px;
    background-color: var(--secondary-color);
    border-radius: 12px;
    position: relative;
}

.quote-container:before,
.quote-container:after {
    content: """;
    font-size: 60px;
    font-family: Georgia, serif;
    position: absolute;
    color: var(--primary-color);
    opacity: 0.5;
}

.quote-container:before {
    top: -10px;
    left: 10px;
}

.quote-container:after {
    content: """;
    bottom: -30px;
    right: 10px;
}

.quote-container p {
    position: relative;
    z-index: 1;
    margin-bottom: 10px;
    font-size: 16px;
}

.quote-author {
    display: block;
    font-size: 14px;
    font-style: normal;
    text-align: right;
    color: var(--light-text);
}

/* 书籍列表标题 */
.book-list-title {
    text-align: center;
    margin-bottom: 25px;
    color: var(--accent-color);
    font-family: 'Ma Shan Zheng', cursive, Arial, sans-serif;
    font-size: 1.6em;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 15px;
}

.book-icon {
    font-size: 0.9em;
    margin: 0 8px;
    opacity: 0.85;
}

.column-icon {
    font-size: 0.9em;
    margin-right: 5px;
    opacity: 0.8;
}

.book-list-title:before,
.book-list-title:after {
    content: '';
    position: absolute;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
    width: 80px;
    top: 50%;
}

.book-list-title:before {
    right: 100%;
    margin-right: 15px;
}

.book-list-title:after {
    left: 100%;
    margin-left: 15px;
}

/* 表格中的图标样式 */
.data-table .borrow-count:after {
    content: '📚';
    font-size: 12px;
    margin-left: 5px;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    transform: translateY(5px);
    display: inline-block;
}

.data-table tr:hover .borrow-count:after {
    opacity: 1;
    transform: translateY(0);
}

/* 前三名特殊样式 */
.data-table tr:nth-child(1) .rank:before {
    content: '🏆';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 18px;
}

.data-table tr:nth-child(2) .rank:before {
    content: '🥈';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
}

.data-table tr:nth-child(3) .rank:before {
    content: '🥉';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
}

/* 书名悬停效果 */
.book-title {
    position: relative;
    text-decoration: none;
    display: inline-block;
}

.book-title:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-color);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

tr:hover .book-title:after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* 数据表格相关样式 */
.data-table img {
    width: 55px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid white;
}

.data-table tr:hover img {
    transform: scale(1.08);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.data-table .rank {
    font-weight: 700;
    text-align: center;
    position: relative;
}

.data-table .book-title {
    font-weight: 500;
    color: var(--accent-color);
    transition: color 0.3s;
}

.data-table tr:hover .book-title {
    color: #d06b9c;
}

.data-table .author {
    font-style: italic;
    color: var(--light-text);
}

.data-table .borrow-count {
    font-weight: 600;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--light-text);
    background-color: var(--secondary-color);
    border-radius: 12px;
    font-style: italic;
    border: 1px dashed var(--border-color);
}

/* 书籍行动画 */
#ranking-table-body tr {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#ranking-table-body tr:hover {
    transform: translateX(5px);
}

/* 四宫格统计页面样式 */
.quote-banner {
    background-color: var(--secondary-color);
    border-radius: 10px;
    padding: 15px 25px;
    margin: 0 auto 30px;
    max-width: 80%;
    text-align: center;
    box-shadow: 0 3px 15px var(--shadow-color);
    border-left: 4px solid var(--accent-color);
    border-right: 4px solid var(--accent-color);
    position: relative;
}

.quote-banner p {
    font-style: italic;
    color: var(--text-color);
    font-size: 16px;
    margin: 0;
    letter-spacing: 0.5px;
}

.quote-banner:before,
.quote-banner:after {
    content: '"';
    font-family: Georgia, serif;
    font-size: 50px;
    color: var(--primary-color);
    opacity: 0.5;
    position: absolute;
    top: -15px;
}

.quote-banner:before {
    left: 10px;
}

.quote-banner:after {
    right: 10px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 25px;
    margin: 20px auto;
    max-width: 1000px;
}

/* 四宫格卡片样式 */
.stats-grid .stats-card {
    position: relative;
    background-color: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow-color);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    height: 250px;
    padding: 0; /* 重置内边距 */
}

.card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
    height: 100%;
    position: relative;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.stats-grid .stats-card:hover {
    transform: translateY(-8px);
}

.stats-grid .stats-card:hover .card-inner {
    background: rgba(255, 255, 255, 0.95);
}

.stats-grid .card-icon {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--accent-color);
    background-color: var(--secondary-color);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: transform 0.3s ease;
}

.stats-grid .stats-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.stats-grid .card-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.stats-grid .card-title:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.stats-grid .stats-card:hover .card-title:after {
    transform: scaleX(1);
}

/* 卡片装饰 */
.card-decoration {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background-color: var(--primary-color);
    opacity: 0.1;
    transition: all 0.5s ease;
    z-index: 1;
}

.card-decoration.active {
    transform: scale(1.5);
    opacity: 0.2;
}

/* 特定卡片的独特装饰 */
.book-decoration:before {
    content: '📚';
    position: absolute;
    font-size: 30px;
    top: 40px;
    left: 40px;
    opacity: 0.4;
}

.trend-decoration:before {
    content: '📈';
    position: absolute;
    font-size: 30px;
    top: 40px;
    left: 40px;
    opacity: 0.4;
}

.user-decoration:before {
    content: '👥';
    position: absolute;
    font-size: 30px;
    top: 40px;
    left: 40px;
    opacity: 0.4;
}

.overdue-decoration:before {
    content: '⏰';
    position: absolute;
    font-size: 30px;
    top: 40px;
    left: 40px;
    opacity: 0.4;
}

/* 页面装饰 */
.page-decoration {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.3;
    z-index: -1;
}

.page-decoration.left {
    top: -100px;
    left: -100px;
    animation: floatLeft 15s ease-in-out infinite;
}

.page-decoration.right {
    bottom: -100px;
    right: -100px;
    animation: floatRight 17s ease-in-out infinite;
}

@keyframes floatLeft {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, 20px) rotate(5deg); }
    50% { transform: translate(10px, 30px) rotate(10deg); }
    75% { transform: translate(30px, 10px) rotate(5deg); }
}

@keyframes floatRight {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(-20px, -10px) rotate(-5deg); }
    50% { transform: translate(-15px, -25px) rotate(-10deg); }
    75% { transform: translate(-25px, -15px) rotate(-5deg); }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

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

/* 响应式调整 */
@media (max-width: 768px) {
    .chart-row {
        flex-direction: column;
    }

    .half {
        width: 100%;
    }

    .stats-cards {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .filter-section {
        flex-wrap: wrap;
    }

    .ml-20 {
        margin-left: 0;
        margin-top: 10px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid .stats-card {
        height: 200px;
    }

    .quote-banner {
        max-width: 95%;
        padding: 15px;
    }

    .quote-banner:before,
    .quote-banner:after {
        font-size: 30px;
    }
}