/* ==== 福利领取模块 - 高级样式系统 ==== */
/* 基于现代设计原则的高级UI实现 */

/* ===== 全局变量与主题系统 ===== */
:root {
    /* 主色调 */
    --primary-color: #4361ee;
    --primary-hover: #3a0ca3;
    
    /* 辅助色 */
    --secondary-color: #f72585;
    --accent-color: #4cc9f0;
    
    /* 中性色 */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1faee;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* 阴影系统 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* 圆角系统 */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    
    /* 间距系统 */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* 动画系统 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --cubic-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== 基础重置与通用样式 ===== */
.fuli-coupons-container {
    max-width: 100%;
    margin: 0 auto;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* 分类区块通用样式 */
.fuli-category-section {
    margin-bottom: var(--space-2xl);
    position: relative;
}

/* 分类标题 - 高级设计 */
.fuli-category-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 0 var(--space-lg) 0;
    padding-bottom: var(--space-md);
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    letter-spacing: -0.5px;
}

.fuli-category-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ===== 1. 默认模板（标题列表+弹窗）- 高级样式 ===== */
.fuli-template-default .fuli-category-section {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.fuli-template-default .fuli-category-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.fuli-template-default .fuli-items-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-md);
}

.fuli-template-default .fuli-item-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.fuli-template-default .fuli-item-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    transform: translateX(-4px);
    transition: transform var(--transition-normal);
}

.fuli-template-default .fuli-item-title:hover {
    background: linear-gradient(145deg, #ffffff, #ffffff);
    box-shadow: var(--shadow-md);
    transform: translateX(0);
    border-color: var(--primary-color);
}

.fuli-template-default .fuli-item-title:hover::before {
    transform: translateX(0);
}

.fuli-template-default .fuli-item-title span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
    transition: color var(--transition-fast);
}

.fuli-template-default .fuli-item-title:hover span {
    color: var(--primary-color);
}

.fuli-template-default .fuli-arrow-icon {
    color: var(--text-muted);
    transition: all var(--transition-normal);
    font-size: 1.2rem;
}

.fuli-template-default .fuli-item-title:hover .fuli-arrow-icon {
    transform: translateX(5px) scale(1.2);
    color: var(--primary-color);
}

/* ===== 2. 卡片模板 - 文字模式设计 ===== */
.fuli-template-card .fuli-cards-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 15px;
}

.fuli-template-card .fuli-card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-light);
}

.fuli-template-card .fuli-card:hover {
    box-shadow: var(--shadow-md);
}

/* 标题头部样式 - 默认显示 */
.fuli-template-card .fuli-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.fuli-template-card .fuli-card-header:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

.fuli-template-card .fuli-card-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
    flex-grow: 1;
    line-height: 1.4;
}

.fuli-template-card .fuli-card-toggle-icon {
    font-size: 12px;
    color: var(--text-secondary);
    transition: transform var(--transition-normal), color var(--transition-normal);
    flex-shrink: 0;
    margin-left: 10px;
}

.fuli-template-card .fuli-card.expanded .fuli-card-toggle-icon {
    transform: rotate(180deg);
    color: var(--primary-color);
}

/* 详情内容区域 - 默认隐藏 */
.fuli-template-card .fuli-card-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    padding: 0 20px;
}

.fuli-template-card .fuli-card.expanded .fuli-card-details {
    max-height: 1000px; /* 足够大的值确保内容完全展开 */
    padding: 0 20px 20px 20px;
}

/* 图片部分 */
.fuli-template-card .fuli-card-image {
    margin-bottom: 15px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.fuli-template-card .fuli-card-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.fuli-template-card .fuli-card:hover .fuli-card-image img {
    transform: scale(1.02);
}

/* 描述内容部分 */
.fuli-template-card .fuli-card-content {
    padding: 15px 0;
}

.fuli-template-card .fuli-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 15px 0;
}

/* 按钮样式 */
.fuli-template-card .fuli-card-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-color), #3f37c9);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition-normal);
    margin-top: 10px;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.fuli-template-card .fuli-card-btn:hover {
    background: linear-gradient(135deg, var(--primary-hover), #3a0ca3);
    transform: translateX(3px);
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.4);
}

.fuli-template-card .fuli-card-btn::after {
    content: '→';
    margin-left: 5px;
    transition: transform var(--transition-normal);
}

.fuli-template-card .fuli-card-btn:hover::after {
    transform: translateX(3px);
}

/* JavaScript交互逻辑将在页面加载时注入 */
/* 用于处理卡片的展开/收起功能 */

/* ===== 响应式设计 - 文字模式专用 ===== */
/* 平板设备 */
@media (max-width: 768px) {
    .fuli-cards-container {
        gap: 10px;
        margin-top: 12px;
    }
    
    .fuli-card-header {
        padding: 14px 16px;
    }
    
    .fuli-card-title {
        font-size: 15px;
    }
    
    .fuli-card.expanded .fuli-card-details {
        padding: 0 16px 16px 16px;
    }
    
    .fuli-card-desc {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .fuli-card-btn {
        padding: 7px 14px;
        font-size: 13px;
        margin-top: 8px;
    }
}

/* 移动设备 */
@media (max-width: 480px) {
    .fuli-cards-container {
        gap: 8px;
        margin-top: 10px;
    }
    
    .fuli-card-header {
        padding: 12px 14px;
    }
    
    .fuli-card-title {
        font-size: 14px;
    }
    
    .fuli-card-toggle-icon {
        font-size: 11px;
    }
    
    .fuli-card.expanded .fuli-card-details {
        padding: 0 14px 14px 14px;
    }
    
    .fuli-card-content {
        padding: 12px 0;
    }
    
    .fuli-card-desc {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .fuli-card-btn {
        padding: 6px 12px;
        font-size: 12px;
        margin-top: 6px;
    }
}

/* ===== 3. 网格模板 - 高级精简化设计 ===== */
.fuli-template-grid .fuli-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.fuli-template-grid .fuli-grid-item {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.fuli-template-grid .fuli-grid-item:hover {
    transform: translateY(-5px) rotateX(5deg);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.fuli-template-grid .fuli-grid-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.fuli-template-grid .fuli-grid-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.fuli-template-grid .fuli-grid-item:hover .fuli-grid-image img {
    transform: scale(1.15) rotate(3deg);
}

.fuli-template-grid .fuli-grid-content {
    padding: var(--space-lg);
    text-align: center;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fuli-template-grid .fuli-grid-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.fuli-template-grid .fuli-grid-item:hover .fuli-grid-title {
    color: var(--primary-color);
}

/* ===== 高级弹窗样式 - 所有模板通用 ===== */
.fuli-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    overflow: auto;
}

.fuli-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    animation: fadeIn var(--transition-normal);
}

.fuli-modal-content {
    position: relative;
    background: var(--bg-primary);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-2xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 600px;
    animation: modalSlideIn 0.4s var(--cubic-bounce);
    border: 1px solid var(--border-light);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.fuli-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.fuli-modal-title {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.fuli-modal-close {
    background: transparent;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--space-xs);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-normal);
    position: relative;
}

.fuli-modal-close::before,
.fuli-modal-close::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 18px;
    background-color: currentColor;
    transition: all var(--transition-normal);
}

.fuli-modal-close::before {
    transform: rotate(45deg);
}

.fuli-modal-close::after {
    transform: rotate(-45deg);
}

.fuli-modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.fuli-modal-body {
    padding: var(--space-xl);
}

.fuli-modal-image-container {
    margin-bottom: var(--space-lg);
    text-align: center;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    padding: var(--space-md);
}

.fuli-modal-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-slow);
}

.fuli-modal-image:hover {
    transform: scale(1.02);
}

.fuli-modal-desc {
    line-height: 1.7;
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--space-xl);
}

.fuli-modal-link-container {
    margin-top: var(--space-lg);
    text-align: center;
}

.fuli-modal-link {
    display: inline-flex;
    align-items: center;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), #3f37c9);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.fuli-modal-link:hover {
    background: linear-gradient(135deg, var(--primary-hover), #3a0ca3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
}

/* 无数据提示 - 高级样式 */
.no-data {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--text-muted);
    font-style: normal;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
    position: relative;
    overflow: hidden;
}

.no-data::before {
    content: '📭';
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
}

/* ===== 高级响应式设计系统 ===== */
@media (max-width: 1200px) {
    .fuli-template-card .fuli-cards-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .fuli-template-grid .fuli-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

@media (max-width: 768px) {
    /* 通用响应式 */
    .fuli-category-title {
        font-size: 1.5rem;
    }
    
    /* 模态框响应式 */
    .fuli-modal-content {
        margin: 10% auto;
        width: 90%;
        max-width: 95%;
    }
    
    .fuli-modal-header,
    .fuli-modal-body {
        padding: var(--space-lg);
    }
    
    .fuli-modal-title {
        font-size: 1.3rem;
    }
    
    /* 默认模板响应式 */
    .fuli-template-default .fuli-category-section {
        padding: var(--space-lg);
    }
    
    .fuli-template-default .fuli-items-list {
        grid-template-columns: 1fr;
    }
    
    /* 卡片模板响应式 */
    .fuli-template-card .fuli-cards-container {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .fuli-template-card .fuli-card-image {
        height: 180px;
    }
    
    .fuli-template-card .fuli-card-content {
        padding: var(--space-lg);
    }
    
    .fuli-template-card .fuli-card-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* 网格模板响应式 */
    .fuli-template-grid .fuli-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: var(--space-md);
    }
    
    .fuli-template-grid .fuli-grid-image {
        height: 140px;
    }
}

@media (max-width: 480px) {
    /* 移动端优化 */
    .fuli-category-title {
        font-size: 1.3rem;
    }
    
    .fuli-modal-content {
        margin: 5% auto;
    }
    
    .fuli-template-default .fuli-item-title {
        padding: var(--space-md);
    }
    
    .fuli-template-card .fuli-card-image {
        height: 160px;
    }
    
    .fuli-template-card .fuli-card-content {
        padding: var(--space-md);
    }
    
    .fuli-template-card .fuli-card-title {
        font-size: 1.2rem;
    }
    
    .fuli-template-grid .fuli-grid-container {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .fuli-template-grid .fuli-grid-image {
        height: 120px;
    }
}

/* ===== 打印样式 ===== */
@media print {
    .fuli-modal,
    .fuli-modal-overlay {
        display: none !important;
    }
    
    .fuli-coupons-container {
        max-width: 100%;
    }
    
    .fuli-category-section {
        page-break-inside: avoid;
    }
}