/* CSS 变量定义 - 温暖现代风格 */
:root {
    /* 主色调系统 */
    --primary-color: #ff6b35;
    --primary-hover: #e55a2b;
    --secondary-color: #ff8c69;
    --accent-color: #ffa726;
    
    /* 文字色系统 */
    --text-primary: #3c2415;
    --text-secondary: #5d4037;
    --text-muted: #8d6e63;
    --text-light: #a1887f;
    
    /* 背景色系统 */
    --background-light: #fef9f3;
    --background-gray: #f7f3f0;
    --background-white: #fff5ee;
    --background-card: #ffffff;
    
    /* 边框和分割线 */
    --border-color: #e6ccb2;
    --border-light: #f0e6d6;
    --border-warm: #ddbea9;
    
    /* 阴影系统 - 温暖色调 */
    --shadow-sm: 0 1px 3px rgba(60, 36, 21, 0.08);
    --shadow-md: 0 4px 12px rgba(60, 36, 21, 0.12);
    --shadow-lg: 0 8px 32px rgba(60, 36, 21, 0.16);
    --shadow-warm: 0 4px 20px rgba(255, 107, 53, 0.15);
    
    /* 渐变系统 */
    --gradient-warm: linear-gradient(135deg, #ff6b35 0%, #ff8c69 100%);
    --gradient-soft: linear-gradient(135deg, #ffa726 0%, #ffcc80 100%);
    --gradient-sunset: linear-gradient(135deg, #ff8a65 0%, #ffab91 100%);
    
    /* 尺寸和圆角 */
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    
    /* 字体系统 */
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* 等比例缩放响应式系统 */
    --scale-factor: clamp(0.8, 2vw, 1.2);
    --spacing-xs: clamp(2px, 0.5vw, 4px);
    --spacing-sm: clamp(4px, 1vw, 8px);
    --spacing-md: clamp(8px, 2vw, 16px);
    --spacing-lg: clamp(12px, 3vw, 24px);
    --spacing-xl: clamp(16px, 4vw, 32px);
    --spacing-2xl: clamp(24px, 6vw, 48px);
    
    /* 响应式字体大小 */
    --font-xs: clamp(10px, 2vw, 12px);
    --font-sm: clamp(12px, 2.5vw, 14px);
    --font-base: clamp(14px, 3vw, 16px);
    --font-lg: clamp(16px, 3.5vw, 20px);
    --font-xl: clamp(18px, 4vw, 24px);
    --font-2xl: clamp(20px, 5vw, 32px);
    
    /* 响应式圆角 */
    --border-radius-responsive: clamp(6px, 1.5vw, 12px);
    --border-radius-lg-responsive: clamp(10px, 2.5vw, 20px);
    --border-radius-xl-responsive: clamp(14px, 3.5vw, 28px);
    
    /* 深色模式支持 */

}

/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 全局过渡效果 */
*,
*::before,
*::after {
    transition: opacity 0.3s ease, transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

/* 页面加载动画 */
@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    0% {
        opacity: 0;
        transform: translateX(50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 选中文本样式 - 温暖现代风格 */
::selection {
    background: rgba(255, 107, 53, 0.2);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(255, 107, 53, 0.2);
    color: var(--text-primary);
}

/* 主应用容器 */
.app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 工具栏样式 - 等比例缩放响应式 */
.toolbar {
    background: var(--background-card);
    border-bottom: 1px solid var(--border-light);
    padding: clamp(12px, 3vw, 24px) clamp(16px, 4vw, 48px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 100;
    animation: slideInFromLeft 0.6s ease-out 0.2s both;
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    box-sizing: border-box;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.toolbar-left h1 {
    font-size: clamp(16px, 4vw, 24px);
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.5vw, 12px);
}

.toolbar-left h1 .app-icon {
    width: 32px;
    height: 32px;
    margin-right: 8px;
    vertical-align: middle;
    transition: all 0.3s ease;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 53, 0.1));
}

.toolbar-left h1 .app-icon:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(255, 107, 53, 0.2));
}

.toolbar-left h1 i {
    color: var(--primary-color);
}

.subtitle {
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 400;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-right {
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    min-width: 0;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .footer-right {
        justify-content: center;
        width: 100%;
    }
}

/* 按钮样式 - 等比例缩放响应式 */
.btn {
    padding: clamp(8px, 2vw, 16px) clamp(16px, 4vw, 32px);
    border: none;
    border-radius: var(--border-radius);
    font-size: clamp(12px, 2.5vw, 16px);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    background: var(--gradient-warm);
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

/* 移除重复的 upload-btn 定义，使用统一样式 */

/* Magic UI Shimmer Button Effect */
.shimmer-btn {
    --shimmer-color: rgba(255, 255, 255, 0.3);
    --shimmer-size: 0.05em;
    --shimmer-duration: 2s;
    --border-radius: 12px;
    --bg: var(--gradient-warm);
    
    position: relative;
    z-index: 0;
    display: flex;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    white-space: nowrap;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 24px;
    color: white;
    background: var(--bg);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 14px;
    transition: transform 0.3s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.shimmer-btn:active {
    transform: translateY(1px);
}

/* Shimmer spark container */
.shimmer-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -30;
    overflow: visible;
    filter: blur(2px);
}

/* Shimmer spark */
.shimmer-btn::after {
    content: '';
    position: absolute;
    inset: -100%;
    width: auto;
    aspect-ratio: 1;
    border-radius: 0;
    background: conic-gradient(
        from calc(270deg - 45deg), 
        transparent 0, 
        var(--shimmer-color) 90deg, 
        transparent 90deg
    );
    animation: shimmer-spin 3s linear infinite;
    transform-origin: center;
}

/* Shimmer highlight */
.shimmer-btn .shimmer-highlight {
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    box-shadow: inset 0 -8px 10px rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease-in-out;
}

.shimmer-btn:hover .shimmer-highlight {
    box-shadow: inset 0 -6px 10px rgba(255, 255, 255, 0.2);
}

.shimmer-btn:active .shimmer-highlight {
    box-shadow: inset 0 -10px 10px rgba(255, 255, 255, 0.2);
}

/* Shimmer backdrop */
.shimmer-btn .shimmer-backdrop {
    position: absolute;
    z-index: -20;
    background: var(--bg);
    border-radius: var(--border-radius);
    inset: var(--shimmer-size);
}

@keyframes shimmer-spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Magic UI Border Beam Effect */
.border-beam {
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        90deg,
        transparent,
        var(--primary-color),
        transparent
    );
    background-size: 200% 100%;
    animation: border-beam 2s linear infinite;
}

.border-beam::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    border-radius: inherit;
    padding: 1px;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
}

@keyframes border-beam {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Enhanced Border Beam for Panels */
.panel-border-beam {
    position: relative;
    border: 1px solid transparent;
    background: linear-gradient(var(--background-card), var(--background-card)) padding-box,
                linear-gradient(90deg, 
                    transparent 0%, 
                    var(--primary-color) 25%, 
                    rgba(255, 154, 139, 0.8) 50%, 
                    var(--primary-color) 75%, 
                    transparent 100%) border-box;
    background-size: 100% 100%, 400% 100%;
    animation: panel-border-beam 3s ease-in-out infinite;
}

@keyframes panel-border-beam {
    0%, 100% {
        background-position: 0% 0%, -400% 0%;
    }
    50% {
        background-position: 0% 0%, 400% 0%;
    }
}

/* Magic UI Neon Gradient Card Effect */
.neon-gradient-card {
    position: relative;
    background: linear-gradient(135deg, 
        rgba(255, 154, 139, 0.1) 0%, 
        rgba(255, 206, 84, 0.1) 25%, 
        rgba(168, 230, 207, 0.1) 50%, 
        rgba(255, 154, 139, 0.1) 75%, 
        rgba(255, 206, 84, 0.1) 100%);
    background-size: 400% 400%;
    animation: neon-gradient 8s ease infinite;
    border: 1px solid rgba(255, 154, 139, 0.2);
    box-shadow: 
        0 0 20px rgba(255, 154, 139, 0.1),
        0 0 40px rgba(255, 206, 84, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.neon-gradient-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 154, 139, 0.05) 0%, 
        transparent 25%, 
        rgba(168, 230, 207, 0.05) 50%, 
        transparent 75%, 
        rgba(255, 206, 84, 0.05) 100%);
    background-size: 200% 200%;
    animation: neon-glow 6s ease-in-out infinite alternate;
    border-radius: inherit;
    opacity: 0.8;
}

@keyframes neon-gradient {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes neon-glow {
    0% {
        opacity: 0.5;
        background-position: 0% 0%;
    }
    100% {
        opacity: 0.9;
        background-position: 100% 100%;
    }
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-warm);
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--secondary-color) 100%);
    animation: pulse-glow 2s infinite;
}

.btn-primary:active {
    transform: translateY(-1px);
    animation: none;
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: var(--shadow-warm); }
    50% { box-shadow: 0 8px 32px rgba(255, 107, 53, 0.25); }
}

/* 按钮点击反馈动画 */
@keyframes buttonClick {
    0% { transform: translateY(-2px) scale(1); }
    50% { transform: translateY(-1px) scale(0.98); }
    100% { transform: translateY(-2px) scale(1); }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* 弹出面板动画 */
@keyframes modalSlideIn {
    0% {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes overlayFadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.btn-secondary {
    background: var(--background-white);
    color: var(--text-secondary);
    border: 1.5px solid var(--border-color);
    font-weight: 500;
}

.btn-secondary:hover {
    background: var(--background-gray);
    border-color: var(--border-warm);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: none;
    background: var(--background-gray);
    border-color: var(--border-warm);
    color: var(--primary-color);
}



/* 主内容区域 - 等比例缩放响应式 */
.main-content {
    flex: 1;
    display: flex;
    min-height: calc(100vh - 73px); /* 最小高度保证内容区域足够大 */
    overflow: visible;
    /* 使用 clamp 实现等比例缩放 */
    width: clamp(320px, 100vw, 1920px);
    margin: 0 auto;
    padding: clamp(8px, 2vw, 24px);
    box-sizing: border-box;
}

/* 面板通用样式 - 等比例缩放响应式 */
.editor-panel,
.preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background-card);
    border-right: 1px solid var(--border-color);
    transition: all 0.3s ease;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-responsive);
    margin: var(--spacing-xs);
}

.editor-panel {
    animation: slideInFromLeft 0.8s ease-out 0.4s both;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-lg), 
                0 8px 32px rgba(255, 154, 139, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.editor-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    z-index: 1;
}

.preview-panel {
    border-right: none;
    animation: slideInFromRight 0.8s ease-out 0.6s both;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-lg), 
                0 8px 32px rgba(255, 154, 139, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.preview-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    z-index: 1;
}

.panel-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--background-white);
    backdrop-filter: blur(8px);
}

.panel-header h3 {
    font-size: 14px;
    font-weight: 600;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 编辑器工具栏 */
.editor-tools,
.preview-tools {
    display: flex;
    gap: 12px;
    align-items: center;
    background: var(--background-gray);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

/* 预览工具栏特殊样式，确保与右侧工具栏对齐 */
.preview-panel .panel-header {
    padding-right: 75px;
}

.preview-tools {
    gap: 6px;
}

.tool-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-size: 12px;
}

.tool-btn:hover {
    background: var(--background-gray);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.tool-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.zoom-level {
    font-size: 11px;
    color: var(--text-muted);
    padding: 4px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    font-weight: 600;
    background: var(--background-white);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    font-family: var(--font-mono);
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.zoom-level::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-soft);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.zoom-level:hover::before {
    opacity: 0.1;
}

.zoom-level:hover {
    color: var(--primary-color);
    border-color: var(--border-warm);
    transform: scale(1.05);
}

/* Markdown 编辑器 */
#markdownInput {
    flex: 1;
    border: 2px solid transparent;
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 15px;
    line-height: 1.7;
    resize: none;
    outline: none;
    background: var(--background-white);
    color: var(--text-secondary);
    transition: all 0.3s ease;
    border-radius: 0;
    position: relative;
}

#markdownInput:hover {
    border-color: var(--border-warm);
    background: var(--background-card);
}

#markdownInput:focus {
    background: var(--background-card);
    border-color: var(--primary-color);
    box-shadow: 
        inset 3px 0 0 var(--primary-color),
        0 0 0 3px rgba(255, 107, 53, 0.1),
        var(--shadow-sm);
    color: var(--text-primary);
    transform: translateX(2px);
}

#markdownInput::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

/* 预览容器 */
.preview-container {
    flex: 1;
    overflow: auto;
    background: #f1f5f9;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.preview-content {
    transform-origin: top center;
    transition: transform 0.2s ease;
}

/* Markdown 海报样式 */
.markdown-poster {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0;
    padding: 40px;
    margin: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    width: 640px;
    min-height: 600px;
    position: relative;
    overflow: hidden;
}

.markdown-poster::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0;
    pointer-events: none;
}

.poster-content {
    background: rgba(255, 255, 255, 0.95) !important;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 107, 53, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
    overflow: hidden;
    word-wrap: break-word;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
}

.poster-content:hover {
    box-shadow: var(--shadow-lg), 0 0 0 2px rgba(255, 107, 53, 0.15), 0 0 30px rgba(255, 107, 53, 0.1);
    transform: translateY(-2px);
}

/* 空内容提示样式 */
.empty-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 40px;
    color: var(--text-muted);
    min-height: 400px;
}

.empty-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    opacity: 0.8;
}

.empty-preview h3 {
    font-size: 24px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

.empty-preview > p {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.5;
}

.empty-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 320px;
}

.tip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-align: left;
    padding: 12px 16px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.tip-item i {
    color: var(--primary-color);
    font-size: 14px;
    width: 16px;
    flex-shrink: 0;
}

.tip-item span {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

/* Markdown 内容样式 */
.poster-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 16px 0;
    box-shadow: var(--shadow-md);
    display: block;
    object-fit: cover;
}

.poster-content h1 {
    font-size: var(--dynamic-h1-size, 24px);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.poster-content h2 {
    font-size: var(--dynamic-h2-size, 24px);
    font-weight: 700;
    color: var(--primary-color);
    margin: 28px 0 16px 0;
    line-height: 1.3;
    position: relative;
}

/* 移除二级标题下划线
.poster-content h2::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-warm);
    border-radius: 2px;
}
*/

.poster-content h3 {
    font-size: var(--dynamic-h3-size, 20px);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 24px 0 12px 0;
    line-height: 1.4;
}

.poster-content p {
    font-size: var(--dynamic-font-size, 16px);
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.poster-content strong {
    font-weight: 700;
    color: var(--text-primary);
}

.poster-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    transition: all 0.2s ease;
}

.poster-content ul,
.poster-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.poster-content li {
    font-size: var(--dynamic-font-size, 16px);
    color: var(--text-light);
    margin-bottom: 8px;
    line-height: 1.6;
    display: list-item;
}

.poster-content code {
    background: var(--background-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: var(--dynamic-code-size, 14px);
    color: var(--primary-color);
    display: inline;
    line-height: inherit;
    vertical-align: baseline;
}

.poster-content pre {
    background: var(--text-primary);
    color: #e2e8f0;
    padding: 16px;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 16px 0;
    display: block;
}

.poster-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
    display: inline;
}

.poster-content blockquote {
    border-left: 4px solid var(--primary-color);
    background: linear-gradient(90deg, rgba(255, 107, 53, 0.05) 0%, transparent 100%);
    padding: 16px 20px;
    margin: 20px 0;
    color: var(--text-secondary);
    font-style: italic;
    font-size: var(--dynamic-quote-size, 17px);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    position: relative;
}

.poster-content blockquote::before {
    content: '"';
    font-size: 48px;
    color: var(--primary-color);
    opacity: 0.3;
    position: absolute;
    top: -8px;
    left: 8px;
    font-family: Georgia, serif;
}

/* 背景自定义面板 - 现代化优化 */
.background-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(254, 249, 243, 0.98) 100%);
    border-radius: 20px;
    box-shadow: 
        0 32px 64px rgba(255, 107, 53, 0.15),
        0 16px 32px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 107, 53, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    z-index: 1000;
    max-width: 520px;
    width: 90vw;
    max-height: 85vh;
    min-height: 500px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(24px) saturate(1.8);
    border: 1px solid rgba(255, 107, 53, 0.2);
}

.background-panel.active {
    opacity: 1;
    pointer-events: all;
    transform: translate(-50%, -50%) scale(1);
    animation: modalSlideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 自定义设置窗口的特殊效果 */
.background-panel::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 154, 139, 0.03) 0%, 
        transparent 25%, 
        rgba(168, 230, 207, 0.03) 50%, 
        transparent 75%, 
        rgba(255, 206, 84, 0.03) 100%);
    background-size: 200% 200%;
    animation: subtle-glow 8s ease-in-out infinite alternate;
    border-radius: inherit;
    opacity: 0.6;
    pointer-events: none;
    z-index: -1;
}

.background-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.03) 0%, 
        rgba(255, 154, 139, 0.02) 50%,
        rgba(252, 182, 159, 0.03) 100%);
    border-radius: 20px;
    z-index: -1;
}

.background-panel .panel-content {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.background-panel .panel-header {
    padding: 32px 36px 24px;
    border-bottom: 1px solid rgba(255, 107, 53, 0.15);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(254, 249, 243, 0.95) 100%);
    border-radius: 20px 20px 0 0;
    position: relative;
    flex-shrink: 0;
    backdrop-filter: blur(12px);
}

.background-panel .panel-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 20%;
    right: 20%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 107, 53, 0.3), 
        transparent);
}

.background-panel h3 {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, rgba(255, 107, 53, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 14px;
    letter-spacing: -0.02em;
    line-height: 1.2;
    position: relative;
}

.background-panel h3 i {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 20px;
    filter: drop-shadow(0 2px 4px rgba(255, 107, 53, 0.2));
}

.background-panel .panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.panel-preview-section {
    padding: 20px 28px 16px;
    border-bottom: 1px solid var(--border-light);
    background: var(--background-gray);
}

.preview-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-label i {
    color: var(--primary-color);
}

.live-preview {
    width: 100%;
    height: 120px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-muted);
    background: white;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.live-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: inherit;
    z-index: -1;
}

.live-preview-content {
    padding: 16px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    font-size: 12px;
    text-align: center;
    z-index: 1;
}

.panel-settings-section {
    flex: 1;
    padding: 28px 36px 32px;
    overflow-y: auto;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.8) 0%, 
        rgba(254, 249, 243, 0.9) 100%);
    min-height: 0;
    max-height: calc(85vh - 140px);
    backdrop-filter: blur(8px);
}

.panel-settings-section::-webkit-scrollbar {
    width: 8px;
}

.panel-settings-section::-webkit-scrollbar-track {
    background: rgba(255, 107, 53, 0.05);
    border-radius: 4px;
    margin: 4px 0;
}

.panel-settings-section::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, 
        rgba(255, 107, 53, 0.6) 0%, 
        rgba(255, 154, 139, 0.8) 100%);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.panel-settings-section::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    transform: scaleY(1.1);
}

/* 自定义设置面板组件样式 */
.custom-panel {
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
}

.custom-panel::-webkit-scrollbar {
    width: 6px;
}

.custom-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 107, 53, 0.3);
    border-radius: 10px;
}

.settings-section {
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 16px;
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-title {
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
    font-size: 14px;
}

.setting-section {
    margin-bottom: 32px;
    padding: 24px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.1);
    backdrop-filter: blur(12px);
    position: relative;
    transition: all 0.3s ease;
}

.setting-section:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(255, 107, 53, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.1);
}

.setting-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    border-radius: 16px 16px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.setting-section:hover::before {
    opacity: 1;
}

.setting-section h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.01em;
}

.setting-section h4 i {
    color: var(--primary-color);
    font-size: 16px;
    padding: 8px;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.setting-section:hover h4 i {
    background: rgba(255, 107, 53, 0.2);
    transform: scale(1.1);
}

.option-group {
    margin-bottom: 24px;
}

.option-group:last-child {
    margin-bottom: 0;
}

.option-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    letter-spacing: 0.01em;
}

.custom-panel label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 14px;
    transition: all 0.2s ease;
}

.custom-panel label:hover {
    color: var(--primary-color);
}

/* 预设背景选择器 - 等比例缩放响应式 */
.preset-backgrounds {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(45px, 8vw, 70px), 1fr));
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    width: 100%;
    max-width: 100%;
    grid-auto-rows: clamp(32px, 6vw, 48px);
    padding: 0 var(--spacing-xs);
}

/* 确保色块保持响应式尺寸 */
.preset-backgrounds .bg-preset {
    width: 100%;
    min-width: clamp(40px, 7vw, 60px);
    max-width: clamp(55px, 10vw, 80px);
    justify-self: center;
    align-self: center;
}

/* 旧的固定断点已被等比例缩放系统替代 */

.bg-preset {
    width: clamp(50px, 9vw, 70px);
    height: clamp(32px, 6vw, 48px);
    border-radius: var(--border-radius-responsive);
    cursor: pointer;
    border: 2px solid rgba(255, 107, 53, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.bg-preset:hover {
    transform: translateY(-3px) scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.bg-preset.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
    transform: scale(1.1);
}

.bg-preset::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.2s ease;
}

.bg-preset.active::after {
    transform: translate(-50%, -50%) scale(1);
}

/* 预设背景样式定义 */
.bg-preset[data-bg="gradient1"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-preset[data-bg="gradient2"] {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.bg-preset[data-bg="gradient3"] {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.bg-preset[data-bg="gradient4"] {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.bg-preset[data-bg="gradient5"] {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.bg-preset[data-bg="gradient6"] {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
}

.bg-preset[data-bg="gradient7"] {
    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
}

.bg-preset[data-bg="gradient8"] {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

.bg-preset[data-bg="gradient9"] {
    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
}

.bg-preset[data-bg="gradient10"] {
    background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

.bg-preset[data-bg="gradient11"] {
    background: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
}

.bg-preset[data-bg="gradient12"] {
    background: linear-gradient(135deg, #55efc4 0%, #81ecec 100%);
}

.bg-preset[data-bg="gradient13"] {
    background: linear-gradient(135deg, #fd79a8 0%, #ffeaa7 100%);
}

/* 颜色输入组 */
.color-inputs {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.color-input-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.color-input-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin: 0;
}

.color-input-group input[type="color"] {
    width: 100%;
    height: 40px;
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    cursor: pointer;
    background: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding: 0;
}

/* 针对Webkit浏览器的颜色选择器内部样式 */
.color-input-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
    border: none;
    border-radius: 10px;
}

.color-input-group input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 10px;
    box-shadow: none;
}

/* 针对Firefox浏览器的颜色选择器内部样式 */
.color-input-group input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 10px;
}

.color-input-group input[type="color"]:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.2);
}

.color-input-group input[type="color"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* 上传背景按钮样式优化 */
.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #e55a2b 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
    position: relative;
    overflow: hidden;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.upload-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

.upload-btn i {
    font-size: 16px;
}

/* 移除背景按钮样式 */
.remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    background: rgba(244, 67, 54, 0.9);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    transition: all 0.2s ease;
}

.remove-btn:hover {
    background: rgba(244, 67, 54, 1);
    transform: scale(1.1);
}

/* 图片预览样式 */
.image-preview {
    position: relative;
    margin-top: 12px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-preview img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 12px;
}

/* 渐变方向选择器样式优化 */
#gradientDirection {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23ff6b35' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

#gradientDirection:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.15);
    transform: translateY(-1px);
}

#gradientDirection:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* 滑块样式 */
.slider-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
}

.slider-group input[type="range"] {
    flex: 1;
    height: 6px;
    background: linear-gradient(90deg, 
        rgba(255, 107, 53, 0.3) 0%, 
        rgba(255, 107, 53, 0.15) 100%);
    border-radius: 8px;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05) inset;
    margin: 12px 0;
}

.slider-group input[type="range"]:hover {
    background: linear-gradient(90deg, 
        rgba(255, 107, 53, 0.3) 0%, 
        rgba(255, 107, 53, 0.2) 100%);
}

.slider-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    border-radius: 50%;
    cursor: grab;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
}

.slider-group input[type="range"]::-webkit-slider-thumb:active {
cursor: grabbing;
transform: scale(1.1);
box-shadow: 0 2px 12px rgba(255, 107, 53, 0.5);
}

.slider-group input[type="range"]::-moz-range-thumb {
width: 20px;
height: 20px;
background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
border-radius: 50%;
cursor: grab;
border: 2px solid white;
box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider-group input[type="range"]::-moz-range-thumb:hover {
transform: scale(1.2);
box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
    transform: scale(1.2);
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.4);
}

.slider-group input[type="range"]::-moz-range-thumb:active {
    cursor: grabbing;
    transform: scale(1.1);
    box-shadow: 0 2px 12px rgba(255, 107, 53, 0.5);
}

.slider-value {
    min-width: 60px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 107, 53, 0.1);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 53, 0.2);
}

/* 新的输入组样式 */
.input-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.number-input {
    width: 80px;
    padding: 8px 12px;
    border: 2px solid rgba(255, 107, 53, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(8px);
}

.number-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    background: rgba(255, 255, 255, 1);
    transform: translateY(-1px);
}

.number-input:hover {
    border-color: rgba(255, 107, 53, 0.4);
    background: rgba(255, 255, 255, 0.95);
}

.input-unit {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    background: rgba(255, 107, 53, 0.08);
    padding: 4px 8px;
    border-radius: 4px;
    min-width: 28px;
    text-align: center;
}

.range-slider {
    flex: 1;
    min-width: 120px;
    height: 4px;
    background: linear-gradient(90deg, 
        rgba(255, 107, 53, 0.2) 0%, 
        rgba(255, 107, 53, 0.1) 100%);
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    transition: all 0.3s ease;
}

.range-slider:hover {
    background: linear-gradient(90deg, 
        rgba(255, 107, 53, 0.3) 0%, 
        rgba(255, 107, 53, 0.2) 100%);
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    border-radius: 50%;
    cursor: grab;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.25);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 12px rgba(255, 107, 53, 0.35);
}

.range-slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.05);
}

.range-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    border-radius: 50%;
    cursor: grab;
    border: 2px solid white;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.25);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.range-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 12px rgba(255, 107, 53, 0.35);
}

/* 输入组响应式适配 - 使用容器查询替代固定断点 */
.input-group {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
}

@container (min-width: 400px) {
    .input-group {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-md);
    }
}

.number-input {
    width: 100%;
    max-width: clamp(100px, 20vw, 140px);
    align-self: center;
}

.range-slider {
    min-width: 100%;
    flex: 1;
}

/* 布局预设按钮样式 */
.layout-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 12px;
    padding: 4px;
}

.layout-preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 14px 10px;
    background: var(--background-card);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-lg);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 90px;
    width: 100%;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(5px);
}

.layout-preset-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 8px 20px rgba(255, 107, 53, 0.15);
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 245, 238, 0.9));
}

.layout-preset-btn:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
    border-color: var(--secondary-color);
}

/* Control group styling */
.control-group {
    margin-bottom: 20px;
    position: relative;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.control-group label span {
    font-weight: 600;
    color: var(--text-color);
}

.control-group .control-value {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: 500;
}

.layout-preset-btn i {
    font-size: 24px;
    margin-bottom: 10px;
    opacity: 0.9;
    transition: transform 0.3s ease, color 0.3s ease;
}

.layout-preset-btn span {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.layout-preset-btn small {
    font-size: 12px;
    opacity: 0.8;
    font-weight: 500;
    color: var(--text-muted);
}

/* Toggle Switch Styling */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 22px;
    margin-left: 8px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.1);
    transition: .4s;
    border-radius: 34px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

input:focus + .toggle-slider {
    box-shadow: 0 0 1px var(--primary-color);
}

/* Button styling */
.custom-panel .btn {
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.custom-panel .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
}

.custom-panel .btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

.layout-preset-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-lg);
    padding: 1.5px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.layout-preset-btn:hover::before {
    opacity: 1;
}

/* 特定按钮的图标颜色和悬停效果 */
.layout-preset-btn[data-preset="xiaohongshu"] i {
    color: #ff6b35;
}

.layout-preset-btn[data-preset="wechat"] i {
    color: #07c160;
}

.layout-preset-btn[data-preset="square"] i {
    color: #ffd700;
}

.layout-preset-btn:hover i {
    transform: scale(1.15);
}

/* 添加响应式适配 */
@media (max-width: 768px) {
    .layout-presets {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .layout-preset-btn {
        min-height: 80px;
        padding: 12px 8px;
    }
    
    .layout-preset-btn i {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .layout-preset-btn span {
        font-size: 12px;
    }
    
    .layout-preset-btn small {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .layout-presets {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    
    .layout-preset-btn {
        min-height: 70px;
        padding: 10px 6px;
    }
    
    .layout-preset-btn i {
        font-size: 18px;
        margin-bottom: 6px;
    }
    
    .layout-preset-btn span {
        font-size: 11px;
        margin-bottom: 2px;
    }
    
    .layout-preset-btn small {
        font-size: 9px;
    }
}

/* 面板操作按钮 */
.panel-actions {
    padding: 24px 36px 32px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9) 0%, 
        rgba(254, 249, 243, 0.95) 100%);
    border-top: 1px solid rgba(255, 107, 53, 0.15);
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    backdrop-filter: blur(12px);
    border-radius: 0 0 20px 20px;
}

.panel-actions .btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.panel-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    color: var(--text-secondary);
    border-color: rgba(255, 107, 53, 0.2);
}

.panel-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    border-color: rgba(255, 107, 53, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.panel-actions .shimmer-btn {
    background: linear-gradient(135deg, 
        var(--primary-color) 0%, 
        var(--secondary-color) 100%);
    color: white;
    border: none;
    position: relative;
    overflow: hidden;
}

.panel-actions .shimmer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

.panel-actions .shimmer-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    transition: left 0.6s ease;
}

.panel-actions .shimmer-btn:hover::before {
    left: 100%;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(60, 36, 21, 0.4);
    backdrop-filter: blur(8px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
    animation: overlayFadeIn 0.3s ease-out;
}

/* 响应式设计 - 等比例缩放系统 */
@container (max-width: 768px) {
    .main-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .editor-panel,
    .preview-panel {
        height: clamp(40vh, 50vh, 60vh);
        min-height: 300px;
    }
}

/* 小屏幕优化 */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
        padding: var(--spacing-sm);
    }
    
    .subtitle {
        display: none;
    }
    
    .markdown-poster {
        width: calc(100vw - var(--spacing-2xl));
        max-width: clamp(320px, 90vw, 640px);
        margin: var(--spacing-sm) auto;
        padding: var(--spacing-md);
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .poster-content {
        padding: var(--spacing-md);
        width: 100%;
        margin: 0 auto;
    }
}

/* 缩放控制 */
.preview-content.zoom-75 {
    transform: scale(0.75);
}

.preview-content.zoom-50 {
    transform: scale(0.5);
}

.preview-content.zoom-125 {
    transform: scale(1.25);
}

.preview-content.zoom-150 {
    transform: scale(1.5);
}

/* 滚动条样式 - 温暖现代风格 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-white);
    border-radius: var(--border-radius);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--border-warm) 0%, var(--border-color) 100%);
    border-radius: var(--border-radius);
    border: 2px solid var(--background-white);
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: scale(1.05);
}

::-webkit-scrollbar-corner {
    background: var(--background-white);
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.95) rotateX(10deg);
        filter: blur(4px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1) rotateX(0deg);
        filter: blur(0px);
    }
}

@keyframes overlayFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes subtle-glow {
    0%, 100% {
        background-position: 0% 50%;
        opacity: 0.3;
    }
    50% {
        background-position: 100% 50%;
        opacity: 0.6;
    }
}

.poster-content {
    animation: fadeIn 0.5s ease;
}

/* 工具提示 */
.tool-btn[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

.tool-btn {
    position: relative;
}

/* 页面底部 Footer */
.app-footer {
    background: linear-gradient(135deg, var(--background-white) 0%, var(--background-gray) 100%);
    border-top: 1px solid var(--border-light);
    margin-top: auto;
    position: relative;
    overflow: hidden;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

.app-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.3), transparent);
    z-index: 1;
}

.footer-content {
    max-width: clamp(320px, 90vw, 1200px);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-2xl);
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.footer-left {
    flex: 1;
    max-width: clamp(300px, 50vw, 500px);
    min-width: 0;
}

.footer-brand {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.right-brand {
    margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
    .footer-brand {
        align-items: center;
        text-align: center;
    }
}

.footer-brand h3 {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
    opacity: 0.8;
}

.footer-description {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
    max-width: 400px;
}

.footer-right {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    min-width: 0;
}

.social-links h4 {
    font-size: 16px;
    font-weight: 600;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 80px;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.social-link i {
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-link span {
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-link:hover i.fa-weixin {
    color: #07c160;
}

.social-link:hover i.fa-github {
    color: #333;
}

.social-link:hover i.fa-blog {
    color: #ff6b35;
}

/* 微信区域样式 - 温暖现代风格 */
.wechat-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
    background: transparent;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    width: 100%;
}

.wechat-section::before {
    display: none;
}

.wechat-section:hover {
    transform: translateY(-3px);
}

.wechat-section:hover::before {
    opacity: 1;
}

.wechat-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
    flex-shrink: 0;
    text-align: left;
}

.wechat-info h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 6px 0;
    line-height: 1.2;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    font-family: var(--font-display);
}

.wechat-info span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
    font-family: var(--font-display);
    opacity: 0.9;
}


.wechat-qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex-shrink: 0;
    position: relative;
    margin-left: var(--spacing-md);
}

.wechat-qr-code img {
    width: 88px;
    height: 88px;
    margin-bottom: 4px;
    border: 2px solid white;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.wechat-qr-code img:hover {
    transform: scale(1.08) rotate(2deg);
    box-shadow: var(--shadow-md);
}

.wechat-qr-code p {
    margin: 0;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-warm), transparent);
    margin: 0 var(--spacing-xl);
}

@media (max-width: 768px) {
    .footer-divider {
        margin: 0 var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .footer-divider {
        margin: 0 var(--spacing-md);
    }
}

.footer-info {
    max-width: clamp(320px, 90vw, 1200px);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    font-weight: 500;
}

.footer-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 8px;
    border-radius: 6px;
}

.footer-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-warm);
    border-radius: 1px;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.footer-link:hover {
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.05);
    transform: translateY(-1px);
}

.footer-link:hover::before {
    width: calc(100% - 16px);
}

/* 自定义提示框样式 */
.tooltip {
    position: absolute;
    background: var(--text-primary);
    color: var(--background-white);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-5px);
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
    pointer-events: none;
    box-shadow: var(--shadow-md);
    letter-spacing: 0.3px;
    will-change: opacity, visibility, transform;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--text-primary);
}

.tooltip.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 工具按钮相对定位以支持提示框 */
.tool-btn {
    position: relative;
/* 响应式设计 - Footer 优化布局 */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xl);
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .footer-left {
        max-width: none;
        order: 1;
    }
    
    .footer-right {
        order: 2;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    .social-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        text-align: center;
    }
    
    .footer-brand.right-brand {
        text-align: center;
        width: 100%;
    }
    
    .footer-brand.right-brand h3 {
        margin-left: auto;
        margin-right: auto;
    }
    
    .wechat-section {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: var(--spacing-md);
        padding: 0;
    }
    
    .wechat-info {
        align-items: center;
        text-align: center;
    }
    
    .wechat-qr-code {
        margin-left: 0;
        margin: 0 auto;
    }
    
    .wechat-section {
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .footer-info {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .footer-info p {
        order: 2;
        margin-top: var(--spacing-sm);
    }
    
    .footer-links {
        order: 1;
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .footer-content {
        padding: var(--spacing-lg) var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .footer-info {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .footer-links {
        gap: var(--spacing-sm);
    }
    
    .footer-link {
        font-size: var(--font-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}