/* 
 * German Design System for Klondike Solitär
 * 德国审美设计系统 - 注重功能性、清晰度和可访问性
 */

/* ====================================
   1. 设计原则 (Design Principles)
   ==================================== */
:root {
    /* 德国配色方案 - 专业、清晰、高对比度 */
    --de-primary: #0066CC;          /* 德国蓝 - 专业、可信 */
    --de-primary-dark: #004C99;
    --de-primary-light: #3385D6;
    
    --de-secondary: #2C5F2D;        /* 深绿 - 传统、稳重 */
    --de-secondary-dark: #1E4620;
    --de-secondary-light: #3D7A3E;
    
    --de-accent: #D4AF37;           /* 金色 - 品质、传统 */
    --de-success: #28A745;
    --de-warning: #FFC107;
    --de-error: #DC3545;
    --de-info: #17A2B8;
    
    /* 中性色 - 清晰的层次 */
    --de-gray-50: #F8F9FA;
    --de-gray-100: #E9ECEF;
    --de-gray-200: #DEE2E6;
    --de-gray-300: #CED4DA;
    --de-gray-400: #ADB5BD;
    --de-gray-500: #6C757D;
    --de-gray-600: #495057;
    --de-gray-700: #343A40;
    --de-gray-800: #212529;
    --de-gray-900: #1A1D20;
    
    /* 字体 - 清晰易读 */
    --de-font-primary: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    --de-font-secondary: 'Georgia', 'Times New Roman', serif;
    
    /* 间距系统 - 8px基础 */
    --de-space-xs: 4px;
    --de-space-sm: 8px;
    --de-space-md: 16px;
    --de-space-lg: 24px;
    --de-space-xl: 32px;
    --de-space-2xl: 48px;
    
    /* 圆角 - 适度使用 */
    --de-radius-sm: 4px;
    --de-radius-md: 8px;
    --de-radius-lg: 12px;
    
    /* 阴影 - 清晰的深度 */
    --de-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --de-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --de-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
    
    /* 过渡 */
    --de-transition: all 0.2s ease;
}

/* ====================================
   2. 顶部导航栏 (Top Navigation) - 紧凑设计
   参考原始HTML示例的backdrop-blur设计
   ==================================== */

/* 导航链接hover效果 */
.navbar-nav .nav-link:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: white !important;
}

/* 下拉菜单项hover效果 */
.dropdown-menu .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: white !important;
}

/* 设置按钮hover效果 */
#settingsBtn:hover {
    background: rgba(255, 255, 255, 0.08) !important;
}

/* Logo hover效果 */
.navbar-brand:hover {
    opacity: 0.9;
}

/* 响应式：移动端优化 */
@media (max-width: 991px) {
    .navbar-collapse {
        margin-top: 0.5rem;
    }
    
    .navbar-nav {
        gap: 0 !important;
    }
    
    .navbar-nav .nav-item {
        width: 100%;
    }
    
    .navbar-nav .nav-link,
    .navbar-nav .dropdown-toggle {
        width: 100%;
        justify-content: flex-start !important;
    }
}

/* ====================================
   3. 游戏控制头部 (Game Control Header) - 极简设计
   参考Solitaired.com的timer_container
   ==================================== */
.de-game-header {
    background: var(--de-gray-800);
    border-bottom: 1px solid var(--de-gray-700);
    padding: 10px var(--de-space-md);
}

.de-header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--de-space-md);
    align-items: center;
}

/* 游戏信息 - 紧凑布局 */
.de-game-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.de-game-title {
    font-size: 16px;
    font-weight: 700;
    color: white;
    margin: 0;
}

.de-difficulty-badge {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background: var(--de-success);
    color: white;
}

/* 游戏统计 - 紧凑网格 */
.de-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 10px;
    max-width: 500px;
    margin: 0 auto;
}

.de-stat-box {
    text-align: center;
    padding: 4px 8px;
    background: var(--de-gray-700);
    border-radius: 6px;
    border: 1px solid var(--de-gray-600);
}

.de-stat-label {
    font-size: 10px;
    color: var(--de-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
    margin-bottom: 2px;
    line-height: 1;
}

.de-stat-value {
    font-size: 15px;
    color: white;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

/* 操作按钮组 - 紧凑设计 */
.de-action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.de-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--de-transition);
    white-space: nowrap;
    line-height: 1;
}

.de-btn:focus {
    outline: 2px solid var(--de-primary);
    outline-offset: 2px;
}

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

.de-btn-primary:hover:not(:disabled) {
    background: var(--de-primary-dark);
    transform: translateY(-1px);
}

.de-btn-secondary {
    background: var(--de-gray-700);
    color: white;
    border-color: var(--de-gray-600);
}

.de-btn-secondary:hover:not(:disabled) {
    background: var(--de-gray-600);
}

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

.de-btn-success:hover:not(:disabled) {
    background: #218838;
}

.de-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.de-btn i {
    font-size: 14px;
}

/* ====================================
   4. 模态框 (Modals) - 现代德国深色设计
   ==================================== */
.de-modal-content {
    border: none;
    border-radius: var(--de-radius-lg);
    box-shadow: var(--de-shadow-lg);
    background: #2c3136;  /* 现代深灰 */
    border: 1px solid #3a3f47;
}

.de-modal-header {
    background: #1e2124;  /* 深灰黑 */
    color: #ffffff;
    padding: var(--de-space-lg);
    border-bottom: 2px solid #0066cc;  /* 德国蓝强调线 */
    border-radius: var(--de-radius-lg) var(--de-radius-lg) 0 0;
}

.de-modal-title {
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--de-space-sm);
    margin: 0;
    color: #ffffff;
}

.de-modal-body {
    padding: var(--de-space-xl);
    background: #2c3136;  /* 深灰背景 */
    color: #e8eaed;       /* 浅灰白文字 */
}

.de-modal-body h6 {
    color: #ffffff;       /* 标题纯白 */
    font-weight: 600;
    margin-bottom: 1rem;
}

.de-modal-body .form-check-label {
    color: #d1d5db;       /* 表单标签浅灰 */
}

.de-modal-body .text-muted,
.de-modal-body small {
    color: #9ca3af !important;  /* 次要文字中灰 */
}

.de-modal-body .form-check-input {
    background-color: #3a3f47;
    border-color: #6b7280;
}

.de-modal-body .form-check-input:checked {
    background-color: #0066cc;
    border-color: #0066cc;
}

.de-modal-footer {
    padding: var(--de-space-lg) var(--de-space-xl);
    border-top: 2px solid #3a3f47;
    background: #23272b;  /* 更深的灰 */
    display: flex;
    justify-content: flex-end;
    gap: var(--de-space-sm);
}

/* 获胜模态框特殊样式 */
.de-win-modal .de-modal-header {
    background: linear-gradient(135deg, var(--de-success) 0%, #1e7e34 100%);
}

.de-win-icon {
    font-size: 72px;
    color: var(--de-success);
    animation: de-bounce 0.6s ease;
}

@keyframes de-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.de-win-message {
    font-size: 28px;
    font-weight: 700;
    color: var(--de-gray-800);
    text-align: center;
    margin: var(--de-space-lg) 0;
}

.de-victory-message {
    font-size: 16px;
    color: var(--de-success);
    font-weight: 600;
}

/* 统计卡片 - 现代深色设计 */
.de-stats-card {
    background: #23272b;  /* 深灰背景 */
    border: 2px solid #3a3f47;
    border-radius: var(--de-radius-lg);
    padding: var(--de-space-lg);
    margin-bottom: var(--de-space-lg);
}

.de-stats-card-title {
    font-size: 14px;
    font-weight: 700;
    color: #9ca3af;  /* 中灰标题 */
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--de-space-md);
}

.de-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--de-space-lg);
}

.de-stats-item {
    text-align: center;
}

.de-stats-item-label {
    font-size: 12px;
    color: #9ca3af;  /* 中灰标签 */
    text-transform: uppercase;
    margin-bottom: var(--de-space-xs);
}

.de-stats-item-value {
    font-size: 32px;
    font-weight: 700;
    color: #3b82f6;  /* 明亮蓝色数值 */
}

.de-stats-large {
    font-size: 24px;
}

.de-stats-success {
    color: var(--de-success);
}

/* 排行榜表格 */
.de-leaderboard-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: var(--de-space-md);
}

.de-leaderboard-table thead {
    background: var(--de-gray-100);
}

.de-leaderboard-table th {
    padding: var(--de-space-sm) var(--de-space-md);
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--de-gray-700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--de-gray-300);
}

.de-leaderboard-table td {
    padding: var(--de-space-md);
    border-bottom: 1px solid var(--de-gray-200);
    font-size: 14px;
}

.de-leaderboard-table tbody tr:hover {
    background: var(--de-gray-50);
}

.de-rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
}

.de-rank-1 {
    background: var(--de-accent);
    color: var(--de-gray-900);
}

.de-rank-2 {
    background: #C0C0C0;
    color: var(--de-gray-900);
}

.de-rank-3 {
    background: #CD7F32;
    color: white;
}

.de-rank-other {
    background: var(--de-gray-200);
    color: var(--de-gray-700);
}

/* 设置表单 */
.de-form-section {
    margin-bottom: var(--de-space-xl);
}

.de-form-section:last-child {
    margin-bottom: 0;
}

.de-form-section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--de-gray-800);
    margin-bottom: var(--de-space-md);
    padding-bottom: var(--de-space-sm);
    border-bottom: 2px solid var(--de-primary);
}

.de-form-group {
    margin-bottom: var(--de-space-md);
}

.de-form-check {
    display: flex;
    align-items: center;
    gap: var(--de-space-sm);
    padding: var(--de-space-sm) 0;
}

.de-form-check-input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.de-form-check-label {
    font-size: 15px;
    color: var(--de-gray-700);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--de-space-xs);
}

.de-form-help {
    font-size: 13px;
    color: var(--de-gray-500);
    margin-top: 4px;
    margin-left: 28px;
}

/* ====================================
   5. 页脚 (Footer)
   ==================================== */
.de-footer {
    background: var(--de-gray-900);
    color: var(--de-gray-400);
    padding: var(--de-space-xl) 0;
    margin-top: var(--de-space-2xl);
    border-top: 2px solid var(--de-primary);
}

.de-footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--de-space-md);
}

.de-footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--de-space-xl);
    margin-bottom: var(--de-space-xl);
}

.de-footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--de-space-md);
}

.de-footer-title {
    font-size: 16px;
    font-weight: 700;
    color: white;
    margin-bottom: var(--de-space-sm);
}

.de-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--de-space-sm);
}

.de-footer-link {
    color: var(--de-gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: var(--de-transition);
}

.de-footer-link:hover {
    color: var(--de-primary-light);
}

.de-footer-bottom {
    padding-top: var(--de-space-lg);
    border-top: 1px solid var(--de-gray-800);
    text-align: center;
    font-size: 13px;
}

.de-footer-copyright {
    color: var(--de-gray-500);
}

.de-footer-description {
    font-size: 14px;
    line-height: 1.6;
}

/* ====================================
   6. 响应式设计 (Responsive Design)
   参考Solitaired.com的紧凑设计
   ==================================== */

/* 平板 (Tablet) */
@media (max-width: 991px) {
    .de-navbar {
        padding: 6px 0;
    }
    
    .de-game-header {
        padding: 8px var(--de-space-sm);
    }
    
    .de-header-container {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .de-game-info,
    .de-action-buttons {
        justify-content: center;
    }
    
    .de-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    
    .de-brand-subtitle {
        display: none;
    }
}

/* 手机 (Mobile) */
@media (max-width: 767px) {
    .de-navbar {
        padding: 4px 0;
    }
    
    .de-navbar .container-fluid {
        padding: 0 var(--de-space-sm);
    }
    
    .de-logo-icon {
        width: 32px;
        height: 32px;
    }
    
    .de-logo-icon i {
        font-size: 18px;
    }
    
    .de-brand-title {
        font-size: 16px;
    }
    
    .de-game-header {
        padding: 6px var(--de-space-sm);
    }
    
    .de-game-title {
        font-size: 14px;
    }
    
    .de-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .de-stat-box {
        padding: 3px 6px;
    }
    
    .de-stat-label {
        font-size: 9px;
    }
    
    .de-stat-value {
        font-size: 13px;
    }
    
    .de-action-buttons {
        width: 100%;
        gap: 4px;
    }
    
    .de-btn {
        flex: 1;
        justify-content: center;
        padding: 6px 8px;
        font-size: 12px;
    }
    
    .de-btn span {
        display: none;
    }
    
    .de-modal-body {
        padding: var(--de-space-md);
    }
    
    .de-footer {
        padding: var(--de-space-lg) 0;
    }
    
    .de-footer-grid {
        grid-template-columns: 1fr;
        gap: var(--de-space-lg);
    }
}

/* 小手机 (Small Mobile) */
@media (max-width: 575px) {
    .de-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .de-stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--de-space-md);
    }
    
    .de-win-icon {
        font-size: 48px;
    }
    
    .de-win-message {
        font-size: 20px;
    }
    
    .de-difficulty-badge {
        font-size: 10px;
        padding: 2px 6px;
    }
}

/* ====================================
   7. 可访问性增强 (Accessibility)
   ==================================== */

/* 键盘焦点样式 */
*:focus-visible {
    outline: 2px solid var(--de-primary);
    outline-offset: 2px;
}

/* 跳过导航链接 */
.de-skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--de-primary);
    color: white;
    padding: var(--de-space-sm) var(--de-space-md);
    text-decoration: none;
    z-index: 100;
}

.de-skip-link:focus {
    top: 0;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --de-primary: #0052A3;
        --de-gray-600: #3A3A3A;
    }
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ====================================
   8. 面包屑导航 (Breadcrumb Navigation)
   ==================================== */
.breadcrumb-nav {
    background: linear-gradient(135deg, #1e3a5f 0%, #2c5f7e 100%);
    padding: 0.75rem 1rem;
    margin: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid var(--de-primary);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    color: rgba(255, 255, 255, 0.5);
    margin-right: 0.5rem;
    font-weight: 400;
}

.breadcrumb-link {
    color: #ffffff;
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    transition: all 0.2s ease;
    background: rgba(255, 255, 255, 0.1);
}

.breadcrumb-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.breadcrumb-active {
    color: #ffd700;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background: rgba(255, 215, 0, 0.15);
    border-radius: 4px;
}

/* 响应式面包屑 */
@media (max-width: 576px) {
    .breadcrumb-nav {
        padding: 0.5rem 0.75rem;
    }
    
    .breadcrumb-item {
        font-size: 12px;
    }
    
    .breadcrumb-link,
    .breadcrumb-active {
        padding: 0.2rem 0.5rem;
    }
}

/* 手机横屏时隐藏面包屑导航 - 适配所有手机包括iPhone */
@media screen and (orientation: landscape) and (max-height: 700px) {
    .breadcrumb-nav {
        display: none;
    }
}

/* ====================================
   SEO区域面包屑导航样式 - 德国高端设计
   极简、功能性、高可读性
   ==================================== */
.seo-breadcrumb-nav {
    background: #ffffff;
    padding: 1rem 0;
    margin: -1.5rem 0 2.5rem 0;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
}

.seo-breadcrumb-nav::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 60px;
    height: 2px;
    background: #0066cc;
    transition: width 0.3s ease;
}

.seo-breadcrumb-nav:hover::before {
    width: 120px;
}

.seo-breadcrumb-nav .breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.seo-breadcrumb-nav .breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 500;
    color: #555555;
    letter-spacing: 0.01em;
    line-height: 1.6;
}

.seo-breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    color: #d0d0d0;
    margin: 0 1rem;
    font-size: 20px;
    font-weight: 300;
    display: inline-block;
    transform: translateY(1px);
}

.seo-breadcrumb-nav .breadcrumb-link {
    color: #444444;
    text-decoration: none;
    padding: 0.35rem 0;
    position: relative;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.seo-breadcrumb-nav .breadcrumb-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #0066cc;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.seo-breadcrumb-nav .breadcrumb-link:hover {
    color: #0066cc;
    text-decoration: none;
    transform: translateX(2px);
}

.seo-breadcrumb-nav .breadcrumb-link:hover::after {
    width: 100%;
}

.seo-breadcrumb-nav .breadcrumb-active {
    color: #1a1a1a;
    font-weight: 600;
    padding: 0.35rem 0;
    font-size: 17px;
}

/* 添加主页图标 */
.seo-breadcrumb-nav .breadcrumb-item:first-child .breadcrumb-link::before {
    content: '⌂';
    margin-right: 0.5rem;
    font-size: 17px;
    opacity: 0.75;
    transition: opacity 0.2s ease;
}

.seo-breadcrumb-nav .breadcrumb-item:first-child .breadcrumb-link:hover::before {
    opacity: 1;
}

/* 响应式 - 平板 */
@media (max-width: 768px) {
    .seo-breadcrumb-nav {
        padding: 0.875rem 0;
        margin: -1rem 0 2rem 0;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item {
        font-size: 14px;
        font-weight: 500;
    }
    
    .seo-breadcrumb-nav .breadcrumb-active {
        font-size: 15px;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
        margin: 0 0.75rem;
        font-size: 18px;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item:first-child .breadcrumb-link::before {
        font-size: 15px;
    }
}

/* 响应式 - 手机 */
@media (max-width: 576px) {
    .seo-breadcrumb-nav {
        padding: 0.75rem 0;
        margin: -0.75rem 0 1.5rem 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .seo-breadcrumb-nav::-webkit-scrollbar {
        display: none;
    }
    
    .seo-breadcrumb-nav::before {
        width: 40px;
    }
    
    .seo-breadcrumb-nav:hover::before {
        width: 80px;
    }
    
    .seo-breadcrumb-nav .breadcrumb-list {
        white-space: nowrap;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item {
        font-size: 13px;
        font-weight: 500;
    }
    
    .seo-breadcrumb-nav .breadcrumb-active {
        font-size: 14px;
        font-weight: 600;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
        margin: 0 0.6rem;
        font-size: 16px;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item:first-child .breadcrumb-link::before {
        margin-right: 0.35rem;
        font-size: 14px;
    }
}

/* 深色模式支持（可选，为未来准备） */
@media (prefers-color-scheme: dark) {
    .seo-breadcrumb-nav {
        background: #1a1a1a;
        border-bottom-color: #333333;
    }
    
    .seo-breadcrumb-nav .breadcrumb-item {
        color: #999999;
    }
    
    .seo-breadcrumb-nav .breadcrumb-link {
        color: #cccccc;
    }
    
    .seo-breadcrumb-nav .breadcrumb-link:hover {
        color: #4d9fff;
    }
    
    .seo-breadcrumb-nav .breadcrumb-active {
        color: #ffffff;
    }
}

/* 打印样式 */
@media print {
    .de-navbar,
    .de-game-header,
    .de-footer,
    .de-action-buttons,
    .breadcrumb-nav,
    .seo-breadcrumb-nav {
        display: none;
    }
    
    body {
        background: white;
    }
}