/* 悬浮预览面板样式 */  
.preview-overlay {  
    position: fixed;  
    top: 0;  
    right: 0;  
    width: 100%;  
    height: 100%;  
    background: rgba(0, 0, 0, 0.3);  
    z-index: 1000;  
    display: flex;  
    justify-content: flex-end;  
    align-items: flex-start;  
    padding: 10px 5px 10px 20px; /* 右侧减少内边距 */  
    backdrop-filter: blur(2px);  
    opacity: 0;  
    transition: opacity 0.3s ease;  
}  
  
.preview-overlay.active {  
    opacity: 1;  
}  
  
.preview-panel {  
    background: var(--surface-color);  
    border: 1px solid var(--border-color);  
    border-radius: 12px;  
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);  
    height: calc(100vh - 20px);  
    display: flex;  
    flex-direction: column;  
    transform: translateX(100%);  
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);  
    overflow: hidden;  
    margin-right: 0; /* 让面板更贴近右边缘 */  
}  
  
.preview-overlay.active .preview-panel {  
    transform: translateX(0);  
}  
  
/* 手机屏幕宽度预设 */  
.mobile-width {  
    width: 375px; /* iPhone 标准宽度 */  
}  
  
.mobile-width.tablet-size {  
    width: 768px; /* iPad 宽度 */  
}  
  
.mobile-width.desktop-size {  
    width: 1024px; /* 桌面宽度 */  
}  
  
.preview-header {  
    display: flex;  
    justify-content: space-between;  
    align-items: center;  
    padding: 16px 20px;  
    border-bottom: 1px solid var(--border-color);  
    background: var(--background-color);  
}  
  
.preview-title {  
    font-size: 16px;  
    font-weight: 600;  
    color: var(--text-primary);  
    margin: 0;  
}  
  
.preview-controls {  
    display: flex;  
    gap: 8px;  
}  
  
.preview-toggle-size,  
.preview-close {  
    background: none;  
    border: none;  
    font-size: 18px;  
    cursor: pointer;  
    color: var(--text-secondary);  
    padding: 4px 8px;  
    border-radius: 4px;  
    transition: all 0.2s ease;  
}  
  
.preview-toggle-size:hover,  
.preview-close:hover {  
    background: var(--hover-color);  
    color: var(--text-primary);  
}  
  
.preview-content {    
    flex: 1;    
    overflow-y: auto;    
    padding: 0;  
    background: transparent;
}  
  
.preview-area {    
    min-height: 100%;    
    padding: 0;    
    background: transparent;  
}  
  
.preview-placeholder {    
    color: var(--text-tertiary);    
    text-align: center;    
    margin-top: 50%;    
    font-style: italic;  
    opacity: 0.6;
}  
  
.preview-footer {  
    padding: 12px 20px;  
    border-top: 1px solid var(--border-color);  
    background: var(--surface-color);  
}  
  
.preview-size-info {  
    font-size: 12px;  
    color: var(--text-secondary);  
}  
  
/* 响应式处理 */  
@media (max-width: 480px) {  
    .preview-overlay {  
        padding: 5px;  
    }  
      
    .mobile-width {  
        width: calc(100vw - 10px);  
    }  
}  
  
/* 预览触发按钮样式 - 桌面优化 */  
.preview-trigger {  
    position: fixed;  
    right: 0;  
    top: 50%;  
    transform: translateY(-50%);  
    width: 32px;  
    height: 60px;  
    background: var(--surface-color);  
    border: 1px solid var(--border-color);  
    border-radius: 8px 0 0 8px;  
    border-right: none;  
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);  
    cursor: pointer;  
    z-index: 999;  
    display: flex; /* 默认显示,由 JS 控制 */  
    flex-direction: column;  
    align-items: center;  
    justify-content: center;  
    transition: all 0.3s ease;  
    user-select: none;  
}  
  
.preview-trigger:hover {  
    background: var(--hover-color);  
    transform: translateY(-50%) translateX(-3px);  
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.15);  
}  


.trigger-icon {  
    display: flex;  
    flex-direction: column;  
    align-items: center;  
    gap: 2px;  
    font-size: 18px;  
    color: var(--text-secondary);  
    font-weight: bold;  
}
  
.trigger-icon svg {  
    fill: currentColor;  
    opacity: 0.6; /* 添加半透明效果 */  
    transition: opacity 0.2s ease, transform 0.3s ease;  
}  
  
.preview-trigger .trigger-icon svg {  
    transform: scaleX(-1); /* 默认向左指 */  
}  
  
.preview-trigger:hover .trigger-icon {  
    color: var(--primary-color);  
}  
  
.preview-trigger:hover .trigger-icon svg {  
    opacity: 0.9; /* 悬停时增加不透明度 */  
}  
  
/* 左右晃动动画 */  
@keyframes previewWiggle {  
    0%, 100% { transform: translateX(0); }  
    25% { transform: translateX(-2px); }  
    75% { transform: translateX(2px); }  
}  
  
.trigger-icon {  
    animation: previewWiggle 2s linear infinite;  
}  
  
.preview-trigger:hover .trigger-icon {  
    animation: none;  
}  
  
/* 工具提示 */  
.trigger-tooltip {  
    position: absolute;  
    right: 40px;  
    background: var(--text-primary);  
    color: var(--background-color);  
    padding: 6px 12px;  
    border-radius: 4px;  
    font-size: 12px;  
    white-space: nowrap;  
    opacity: 0;  
    pointer-events: none;  
    transition: opacity 0.3s ease;  
    transform: translateY(-50%);  
    top: 50%;  
}  
  
.trigger-tooltip::after {  
    content: '';  
    position: absolute;  
    left: 100%;  
    top: 50%;  
    transform: translateY(-50%);  
    border: 5px solid transparent;  
    border-left-color: var(--text-primary);  
}  
  
.preview-trigger:hover .trigger-tooltip {  
    opacity: 1;  
}  
  
/* 激活状态 - 修复冲突 */  
.preview-trigger.active {  
    background: var(--primary-color);  
    border-color: var(--primary-color);  
}  
  
.preview-trigger.active .trigger-icon {  
    color: white;  
}  
  
.preview-trigger.active .trigger-icon svg {  
    opacity: 1; /* 激活状态完全不透明 */  
    transform: scaleX(1); /* 激活时向右指，表示"收起预览" */  
}  
  
/* 响应式处理 */  
@media (max-width: 768px) {  
    .preview-trigger {  
        right: 5px;  
        width: 30px;  
        height: 55px;  
    }  
      
    .trigger-icon {  
        font-size: 16px;  
    }  
}

/* 预览面板操作按钮组 */  
.preview-actions {  
    display: flex;  
    gap: 4px;  
    align-items: center;  
    margin-right: 8px;  
}  
  
/* 复用创意工坊的 icon-btn 样式 */  
.preview-actions .icon-btn {  
    width: 28px;  
    height: 28px;  
    padding: 0;  
    display: flex;  
    align-items: center;  
    justify-content: center;  
    background: transparent;  
    border: 1px solid transparent;  
    border-radius: 6px;  
    color: var(--text-secondary);  
    cursor: pointer;  
    transition: all 0.2s ease;  
}  
  
.preview-actions .icon-btn:hover {  
    background: var(--hover-background);  
    border-color: var(--border-color);  
    color: var(--text-primary);  
}  
  
.preview-actions .btn-icon-small {  
    width: 16px;  
    height: 16px;  
    stroke-width: 2;  
}

[data-theme="light"] .preview-placeholder,  
[data-theme="dark"] .preview-placeholder {  
    background: transparent;  
}