/* ===================================
   Timtas Admin Theme - 统一设计系统
   基于紫色主题的现代化后台管理界面
   =================================== */

/* CSS 变量定义 */
:root {
    /* 主品牌色 - 紫色系 */
    --primary-color: #6B4EFF;
    --primary-light: #8B6FFF;
    --primary-dark: #5A3FE6;
    --primary-gradient: linear-gradient(135deg, #6B4EFF 0%, #8B6FFF 100%);

    /* 辅助色彩 */
    --secondary-color: #6C757D;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --info-color: #17A2B8;

    /* 中性色 */
    --white: #FFFFFF;
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F4;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* 文字颜色 */
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;
    --text-white: #FFFFFF;

    /* 背景色 */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F9FA;
    --bg-light: #F1F3F4;
    --bg-dark: #343A40;

    /* 边框和阴影 */
    --border-color: #DEE2E6;
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --box-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --box-shadow-hover: 0 4px 8px rgba(107, 78, 255, 0.2);

    /* 字体 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* 过渡动画 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

/* 全局样式重置和优化 */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 主要布局组件优化 */
.main-wrapper {
    min-height: 100vh;
    background: var(--bg-secondary);
}

.page-wrapper {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
}

.content.container-fluid {
    max-width: 100%;
    padding: 0;
}

/* 页面标题优化 */
.page-header {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-color);
}

.page-title {
    color: var(--text-primary);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: var(--spacing-sm) 0 0 0;
}

.breadcrumb-item {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 500;
}

/* 卡片组件优化 */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    background: var(--white);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-title {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

/* 仪表板卡片特殊样式 */
.dash-widget-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.dash-widget-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--white);
    background: var(--primary-gradient);
}

.dash-widget-icon.bg-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.dash-widget-icon.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34CE57 100%);
}

.dash-widget-icon.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD93D 100%);
}

.dash-widget-icon.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #FF6B6B 100%);
}

.dash-widget-icon.bg-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #36D1DC 100%);
}

.dash-count {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.dash-widget-info h3 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.dash-widget-info h6 {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin: var(--spacing-xs) 0 0 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 按钮组件优化 */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: var(--transition);
    border: none;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 2px 4px rgba(107, 78, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    box-shadow: var(--box-shadow-hover);
    transform: translateY(-1px);
    color: var(--white);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34CE57 100%);
    color: var(--white);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #FFD93D 100%);
    color: var(--gray-800);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #FF6B6B 100%);
    color: var(--white);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-lg);
}

/* 表单组件优化 */
.form-control {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(107, 78, 255, 0.25);
    outline: none;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* 表格组件优化 */
.table {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.table thead th {
    background: var(--bg-light);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--spacing-lg);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: var(--bg-light);
}

/* 徽章组件优化 */
.badge {
    font-size: var(--font-size-xs);
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: var(--border-radius-sm);
}

.badge-primary {
    background: var(--primary-color);
    color: var(--white);
}

.badge-success {
    background: var(--success-color);
    color: var(--white);
}

.badge-warning {
    background: var(--warning-color);
    color: var(--gray-800);
}

.badge-danger {
    background: var(--danger-color);
    color: var(--white);
}

.badge-secondary {
    background: var(--gray-500);
    color: var(--white);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .page-wrapper {
        padding: var(--spacing-md);
    }

    .page-header {
        padding: var(--spacing-md);
    }

    .card-body {
        padding: var(--spacing-md);
    }

    .dash-widget-icon {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }

    .dash-widget-info h3 {
        font-size: var(--font-size-2xl);
    }
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 过渡动画 */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 头像组件 */
.avatar {
    position: relative;
    display: inline-block;
}

.avatar-sm {
    width: 40px;
    height: 40px;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

/* 空状态样式 */
.empty-state {
    padding: var(--spacing-2xl);
}

.empty-state i {
    opacity: 0.5;
}

/* 分页样式优化 */
.pagination-wrapper .pagination {
    margin: 0;
}

.pagination-wrapper .page-link {
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    margin: 0 2px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.pagination-wrapper .page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

.pagination-wrapper .page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 自定义复选框样式 */
.custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.custom-control-input:focus ~ .custom-control-label::before {
    box-shadow: 0 0 0 0.2rem rgba(107, 78, 255, 0.25);
}

/* 书籍卡片样式 - 强制固定尺寸 */
.book-card {
    transition: var(--transition);
    overflow: hidden;
    width: 250px !important;
    min-width: 250px !important;
    max-width: 250px !important;
    height: 300px !important;
    min-height: 300px !important;
    max-height: 300px !important;
    margin: 0 auto;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    flex-shrink: 0 !important;
}

.book-card .card-body {
    padding: 12px;
    height: 120px;
    overflow: hidden;
    flex-shrink: 0;
    box-sizing: border-box;
}

.book-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.book-cover-wrapper {
    position: relative;
    height: 180px;
    width: 100%;
    overflow: hidden;
    background: var(--bg-light);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    flex-shrink: 0;
    box-sizing: border-box;
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
    display: block;
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.book-card:hover .book-overlay {
    opacity: 1;
}

.book-card:hover .book-cover {
    transform: scale(1.1);
}

.book-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.book-actions .btn {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.book-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.3;
    height: 36px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
}

.book-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.book-status .badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.4rem;
}

.book-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.book-stats small {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* 轮播图卡片样式 - 强制固定尺寸 */
.swiper-card,
div.swiper-card,
.card.swiper-card {
    transition: var(--transition);
    overflow: hidden;
    width: 250px !important;
    min-width: 250px !important;
    max-width: 250px !important;
    height: 300px !important;
    min-height: 300px !important;
    max-height: 300px !important;
    margin: 0 auto;
    box-sizing: border-box !important;
    display: flex !important;
    flex-direction: column !important;
    flex-shrink: 0 !important;
    /* 强制覆盖任何可能的样式 */
    position: relative !important;
    float: none !important;
}

.swiper-card .card-body {
    padding: 12px;
    height: 120px;
    overflow: hidden;
    flex-shrink: 0;
    box-sizing: border-box;
}

.swiper-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-lg);
}

.swiper-image-wrapper {
    position: relative;
    height: 180px;
    width: 100%;
    overflow: hidden;
    background: var(--bg-light);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    flex-shrink: 0;
    box-sizing: border-box;
}

.swiper-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
    display: block;
}

.swiper-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.swiper-card:hover .swiper-overlay {
    opacity: 1;
}

.swiper-card:hover .swiper-image {
    transform: scale(1.1);
}

.swiper-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.swiper-actions .btn {
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: var(--font-size-sm);
}

.swiper-status {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
}

.swiper-status .badge {
    font-size: var(--font-size-xs);
    backdrop-filter: blur(4px);
}

.swiper-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.3;
    height: 36px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
}

.swiper-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.swiper-order {
    text-align: right;
}

.swiper-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
}

.swiper-stats small {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* 卡片网格布局优化 - 强制固定布局 */
.books-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
    padding: 20px !important;
    max-width: 900px !important;
    width: 100% !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
    justify-items: center !important;
    align-items: start !important;
    /* 重置可能的干扰样式 */
    flex-direction: unset !important;
    flex-wrap: unset !important;
    justify-content: unset !important;
    /* 强制覆盖Bootstrap样式 */
    position: relative !important;
    overflow: visible !important;
}

/* 轮播图网格布局 - 超强优先级 */
div.swiper-grid,
#swipersGrid,
.swiper-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
    padding: 20px !important;
    max-width: 900px !important;
    width: 100% !important;
    margin: 0 auto !important;
    box-sizing: border-box !important;
    justify-items: center !important;
    align-items: start !important;
    /* 重置可能的干扰样式 */
    flex-direction: unset !important;
    flex-wrap: unset !important;
    justify-content: unset !important;
    /* 强制覆盖Bootstrap样式 */
    position: relative !important;
    overflow: visible !important;
    /* 强制覆盖任何可能的flex布局 */
    flex: unset !important;
    /* 确保不被其他样式影响 */
    background: transparent !important;
    border: none !important;
}

/* 桌面端强制3列布局 */
@media (min-width: 993px) {
    .books-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        max-width: 900px !important;
        width: 100% !important;
    }

    .swiper-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        max-width: 900px !important;
        width: 100% !important;
    }

    .book-card, .swiper-card {
        width: 250px !important;
        height: 300px !important;
    }
}

/* 响应式调整 - 保持强制固定尺寸 */
@media (max-width: 992px) {
    .books-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
        max-width: 600px !important;
        padding: 20px !important;
    }

    .swiper-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 20px !important;
        max-width: 600px !important;
        padding: 20px !important;
    }
}

@media (max-width: 768px) {
    .books-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 15px;
        max-width: 550px;
    }

    .swiper-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 15px;
        max-width: 550px;
    }

    .book-card {
        max-width: 220px;
        height: 280px;
    }

    .swiper-card {
        max-width: 220px;
        height: 280px;
    }

    .book-cover-wrapper {
        height: 160px;
    }

    .swiper-image-wrapper {
        height: 160px;
    }

    .book-card .card-body {
        height: 120px;
    }

    .swiper-card .card-body {
        height: 120px;
    }
}

@media (max-width: 576px) {
    .books-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
        max-width: 300px;
    }

    .swiper-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
        max-width: 300px;
    }

    .book-card {
        max-width: 250px;
        height: 280px;
    }

    .swiper-card {
        max-width: 250px;
        height: 280px;
    }

    .book-cover-wrapper {
        height: 160px;
    }

    .swiper-image-wrapper {
        height: 160px;
    }

    .book-card .card-body {
        height: 120px;
    }

    .swiper-card .card-body {
        height: 120px;
    }
}

/* 调试样式已移除 - 布局修复完成 */

/* 工具类 */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.bg-light { background-color: var(--bg-light) !important; }
.border-primary { border-color: var(--primary-color) !important; }
.shadow-sm { box-shadow: var(--box-shadow) !important; }
.shadow-lg { box-shadow: var(--box-shadow-lg) !important; }
.rounded { border-radius: var(--border-radius) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }