/* 智绘 - 左侧边栏样式 */
/* ==============================================
   Concept Workshop - Left Sidebar Styles
   ============================================== */

/* NEW - Sidebar Header Styles */
#sidebar-header {
  flex-shrink: 0; /* Prevent header from shrinking */
  display: flex;
  align-items: center;
  padding: 7px 8px 7px 5px; /* Reduced left padding */
  transition: all 0.2s ease-in-out;
}

.product-page #left-sidebar:not(.collapsed) #sidebar-header {
  padding: 5px 0 5px 2px; /* align padding with collapsed state */
}

.product-page #left-sidebar #sidebar-header {
  min-height: 48px; /* keep header height stable */
}

#sidebar-header .nav-logo-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  margin-right: 5px;
  margin-top: 5px;
  transition: margin 0.2s ease-in-out;
}

.product-page #left-sidebar #sidebar-header .nav-logo-icon {
  margin: 0 5px 0 0;
}

#sidebar-header .main-app-title {
  font-family: var(--app-font-family);
  font-weight: bold;
  font-size: 1.1em;
  margin-left: 8px;
  color: var(--color-text-primary, #333);
  opacity: 1;
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s ease-in-out;
}

#sidebar-header .main-app-title .app-name {
  white-space: nowrap;
}

#sidebar-header .main-app-title .app-version-chip {
  font-size: 0.68em;
  font-weight: 600;
  padding: 2px 10px;
  line-height: 1.2;
  border-radius: 999px;
  background: var(--color-bg-secondary, rgba(0, 0, 0, 0.06));
  border: 1px solid var(--color-border-light, rgba(0, 0, 0, 0.08));
  color: var(--color-text-secondary, #5c6270);
  white-space: nowrap;
  flex-shrink: 0;
}

/* 侧边栏收缩按钮 */
.sidebar-collapse-btn {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
  margin-left: 8px;
}

.sidebar-collapse-btn:hover {
  background: var(--color-bg-hover, rgba(255, 255, 255, 0.1));
  color: var(--color-text-primary);
}

.sidebar-collapse-btn svg {
  transition: transform 0.2s ease;
}

/* ==============================================
   侧边栏标签页样式
   ============================================== */

/* 标签页容器 */
.sidebar-tabs {
    display: flex;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--color-border-light);
}

/* MODIFIED - 垂直图标栏模式 */
.sidebar-inner { 
    display: flex; 
    flex-grow: 1; /* Replaced height: 100% */
    min-height: 0; /* Added to prevent flex overflow */
    height: 100%;
    border-top: 1px solid var(--color-border-strong, #c0c0c0); /* The definitive separator */
    padding-top: 8px; /* Space for the separator */
}

.sidebar-tabs.vertical {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    border-bottom: none;
    border-right: none;
    padding: 8px 6px;
    width: 48px; /* 固定图标栏宽度 */
}

/* 垂直模式下的标签页 */
.sidebar-tabs.vertical .sidebar-tab {
    width: 44px;
    min-height: 48px;
    padding: 6px 4px;
    box-sizing: border-box;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* 垂直居中 */
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 垂直模式下的图标大小 */
.sidebar-tabs.vertical .sidebar-tab svg { 
    width: 24px; 
    height: 24px;
    flex-shrink: 0; /* 防止图标被压缩 */
}

/* 垂直模式下的激活状态 */
.sidebar-tabs.vertical .sidebar-tab.active {
    background:  var(--color-bg-secondary);
    border: none;
}

/* 垂直模式下的标签文字 */
.sidebar-tabs.vertical .sidebar-tab .tab-label {
    margin-top: 2px;
    font-size: var(--font-size-xs);
    line-height: 1;
    text-align: center;
    flex-shrink: 0; /* 防止文字被压缩 */
}


/* 侧边栏面板容器 */
.sidebar-panels { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    min-width: 0; 
    min-height: 0;
    height: 100%;
    position: relative; 
}

/* ==============================================
   水平标签页样式（备用）
   ============================================== */

.sidebar-tab {
    flex: 1;
    padding: 10px;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-size-sm);
    border-bottom: 2px solid transparent;
}

.sidebar-tab.active {
    color: var(--color-text-primary);
    border-bottom: 2px solid var(--color-accent);
}

/* ==============================================
   标签页内容样式
   ============================================== */

.tab-content {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease-in-out, visibility 0.15s ease-in-out;
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tab-content.active {
    opacity: 1;
    visibility: visible;
    display: flex;
    flex-direction: column;
    pointer-events: auto;
    position: relative;
    flex: 1;
    min-height: 0;
    height: 100%;
}

/* 特定标签页内容的边距调整 */
#tab-content-navigation > div {
    padding: 0; /* 减少水平内边距 */
}

/* ==============================================
   侧边栏收缩状态
   ============================================== */

/* NEW - Collapsed State Styles for Header */
.sidebar.collapsed #sidebar-header {
  justify-content: flex-start; /* Explicitly align to the left */
  padding: 5px 0px 5px 2px;
  margin-top: 0; /* Remove top margin in collapsed state */
}

.sidebar.collapsed #sidebar-header .main-app-title {
  opacity: 0;
  width: 0;
}

.sidebar.collapsed #sidebar-header .nav-logo-icon {
  margin-right: 5px;
}

.sidebar.collapsed .sidebar-collapse-btn {
  margin-left: 0;
}



/* 基础收缩状态 */
#left-sidebar.collapsed {
    min-width: 60px !important;
    padding: 12px 6px 6px 6px !important;
    opacity: 1 !important;   
}

/* 收缩时隐藏面板和调整器 */
#left-sidebar.collapsed .sidebar-panels { 
    display: none !important; 
}

#left-sidebar.collapsed .sidebar-resizer { 
    display: none !important; 
}

/* 收缩时tab恢复为未选中样式 */
#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab.active {
    background: transparent; /* 恢复透明背景 */
    color: var(--color-text-secondary); /* 恢复普通文字颜色 */
}

#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab.active svg,
#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab.active .tab-label {
    color: var(--color-text-secondary); /* 恢复普通图标和文字颜色 */
}

/* 收缩模式下的悬停效果 */
#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab:hover {
    background: var(--color-bg-hover); /* 悬停背景 */
    color: var(--color-text-primary); /* 悬停时文字加黑 */
}

#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab:hover svg,
#left-sidebar.collapsed .sidebar-tabs.vertical .sidebar-tab:hover .tab-label {
    color: var(--color-text-primary); /* 悬停时图标和文字加黑 */
}

/* .product-page 特定的收缩状态 - 显示为图标模式 */
.product-page .sidebar.collapsed,
.product-page #left-sidebar.collapsed {
    width: 60px !important;
    min-width: 60px !important;
    padding: 12px 6px 6px 6px !important;
    opacity: 1 !important;
    border-right: none !important;
    overflow: hidden !important;
    transition: width 0.3s ease, min-width 0.3s ease !important;
}

/* ==============================================
   侧边栏基础样式
   ============================================== */

/* 统一的#left-sidebar基础样式 - 支持所有主题 */
#left-sidebar {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border-right: 1px solid var(--color-border-light);
    box-shadow: none;
    transition: width 0.3s ease, min-width 0.3s ease;
}

/* .product-page 特定的侧边栏样式 */
.product-page .sidebar,
.product-page #left-sidebar {
    /* Allow JS to control width by keeping these non-important */
    width: 320px; /* default expanded width — slightly收窄以让画布更宽 */
    min-width: 280px; /* align with JS min width */
    max-width: 520px; /* allow wider panes when needed */
    padding: 12px 6px 6px 6px; /* match collapsed padding so tab strip stays put */
    background-color: var(--color-bg-primary);
    border-right: none;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    z-index: 10;
    position: relative;
    transition: width 0.3s ease, min-width 0.3s ease;
}

/* 明确的展开状态样式 - 提高优先级 */
/* Expanded state: keep styling but do not lock the width so dragging works */
.product-page .sidebar:not(.collapsed),
.product-page #left-sidebar:not(.collapsed) {
    opacity: 1 !important;
    padding: 12px 6px 6px 6px !important;
    overflow: visible !important;
    border-right: none !important;
}

.product-page .sidebar.collapsing,
.product-page #left-sidebar.collapsing {
    pointer-events: none;
    transition: width 0.3s ease, min-width 0.3s ease, opacity 0.3s ease !important;
}

/* 在折叠动画过程中，仍然允许标签接收点击事件 */
.product-page .sidebar.collapsing .sidebar-tabs {
    pointer-events: auto;
}

/* 侧边栏调整器 */
.sidebar-resizer {
    width: 8px;
    cursor: ew-resize;
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 11;
    background-color: transparent;
}


/* 侧边栏标题样式 */
#left-sidebar h2,
.product-page .sidebar h2 {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    margin-top: 0;
    border-bottom: none;
    padding-bottom: 8px;
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    flex-shrink: 0;
}

.product-page .sidebar label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    flex-shrink: 0;
}

#left-sidebar ul {
    list-style-type: none;
}

#left-sidebar ul li a {
    display: block;
    color: var(--color-primary);
    text-decoration: none;
    padding: 10px 10px;
    border-radius: 4px;
    transition: background-color 0.3s, color 0.3s;
}


#left-sidebar ul li a.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* 表单元素样式 */
#left-sidebar .form-group {
    margin-bottom: var(--spacing-sm);
}

#left-sidebar .form-group:last-child {
    margin-bottom: 0;
}

#left-sidebar .form-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: 6px;
    font-family: var(--app-font-family);
    letter-spacing: 0.5px;
}

#left-sidebar .form-input,
#left-sidebar .form-textarea {
    width: 100%;
    background-color: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-base);
    padding: 8px 10px;
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    font-family: var(--app-font-family);
    transition: border-color var(--duration-fast), background-color var(--duration-fast);
    box-sizing: border-box;
}

#left-sidebar .form-input:focus,
#left-sidebar .form-textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    background-color: var(--color-bg-light);
}


#left-sidebar .form-input::placeholder,
#left-sidebar .form-textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 1;
}

#left-sidebar .form-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: var(--line-height-normal);
}

/* 特定输入框样式 */


#diagram-name {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--color-border-light);
    border-radius: 0;
    padding: 8px;
    font-size: var(--font-size-sm);
    font-family: var(--app-font-family);
    margin-bottom: 15px;
    transition: border-color 0.2s ease;
    outline: none;
}

/* 按钮样式 */
#left-sidebar .toolbar-btn {
    background: transparent;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--app-font-family);
    font-size: var(--font-size-xs);
    padding: 6px 10px;
    border-radius: var(--radius-base);
}

.project-version-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.project-version-preview-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
    padding: 10px 12px;
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-base);
    background: var(--color-bg-secondary);
}

.project-version-preview-bar[hidden] {
    display: none !important;
}

.project-version-preview-text {
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    line-height: 1.5;
}

.project-version-icon-btn {
    width: 32px;
    min-width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 !important;
}

#project-version-save-btn {
    background: transparent !important;
    border-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

#project-version-save-btn:hover,
#project-version-save-btn:active,
#project-version-save-btn:focus,
#project-version-save-btn:focus-visible {
    background: transparent !important;
    border-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: inherit !important;
}

#project-version-save-btn svg,
#project-version-save-btn:hover svg,
#project-version-save-btn:active svg,
#project-version-save-btn:focus svg,
#project-version-save-btn:focus-visible svg {
    color: inherit !important;
    fill: currentColor !important;
    stroke: currentColor !important;
}

#project-share-manage-btn {
    background: transparent !important;
    border-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

#project-share-manage-btn:hover,
#project-share-manage-btn:active,
#project-share-manage-btn:focus,
#project-share-manage-btn:focus-visible {
    background: transparent !important;
    border-color: transparent !important;
    border: none !important;
    box-shadow: none !important;
    color: inherit !important;
}

#project-share-manage-btn svg,
#project-share-manage-btn:hover svg,
#project-share-manage-btn:active svg,
#project-share-manage-btn:focus svg,
#project-share-manage-btn:focus-visible svg {
    color: inherit !important;
    fill: currentColor !important;
    stroke: currentColor !important;
}

.project-version-summary,
.project-version-empty {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.project-version-empty {
    padding: 10px 12px;
    background: var(--color-bg-secondary);
    border: 1px dashed var(--color-border-light);
    border-radius: var(--radius-base);
}

.project-version-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-version-item {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-base);
    background: var(--color-bg-secondary);
    padding: 10px 12px;
}

.project-version-item-header {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
}

.project-version-title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    line-height: 1.5;
}

.project-version-meta,
.project-version-stats,
.project-version-description {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}

.project-version-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    justify-content: flex-end;
    width: 100%;
    margin-top: 10px;
}

.project-version-btn {
    background: transparent;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-primary);
    border-radius: var(--radius-base);
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    cursor: pointer;
}

.project-version-btn:hover {
    border-color: var(--color-border-focus);
    color: var(--color-text-primary);
}

.project-version-btn-icon {
    width: 28px;
    min-width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.project-version-details[hidden] {
    display: none !important;
}

/* ==============================================
   折叠区域控件样式（从 project-page.css 迁移）
   ============================================== */

.collapsible-section {
    margin-bottom: var(--spacing-md, 16px);
    border-radius: var(--radius-base);
    background-color: var(--color-bg-tertiary);
    overflow: hidden;
    transition: var(--transition-normal);
} 

.collapsible-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px; 
    transition: var(--transition-fast);
}

.collapsible-section .collapsible-header h2 {
    font-size: var(--font-size-sm) !important;
    font-weight: var(--font-weight-medium) !important;
    margin: 0 !important; 
    padding: 0 !important;
    font-family: var(--app-font-family) !important;
    display: flex !important;
    align-items: center !important;
}

/* ==============================================
   亮色主题适配（从 styles.css 迁移）
   ============================================== */

/* 亮色主题基础样式 */
[data-theme="light"] #left-sidebar {
    background-color: var(--color-bg-primary);
    color: var(--sidebar-light-theme-text);
    border-right: 1px solid var(--sidebar-light-theme-border);
    box-shadow: none;
    transition: width 0.3s ease, min-width 0.3s ease;
}

/* 亮色主题标签页样式 */
[data-theme="light"] #left-sidebar .sidebar-tab {
    color: var(--sidebar-light-theme-text-secondary);
}

[data-theme="light"] #left-sidebar .sidebar-tab.active {
    color: var(--sidebar-light-theme-text);
    border-bottom-color: var(--color-primary);
}

/* 亮色主题文本元素 */
[data-theme="light"] #left-sidebar h2 {
    color: var(--sidebar-light-theme-text);
}

[data-theme="light"] #left-sidebar label {
    color: var(--sidebar-light-theme-text-secondary);
}

[data-theme="light"] #left-sidebar ::placeholder {
    color: var(--sidebar-light-theme-text-secondary);
    opacity: 1;
}

/* 亮色主题表单元素 */
[data-theme="light"] #left-sidebar input,
[data-theme="light"] #left-sidebar textarea,
[data-theme="light"] #left-sidebar select,
[data-theme="light"] #left-sidebar .form-input,
[data-theme="light"] #left-sidebar .form-textarea {
    background-color: var(--sidebar-light-theme-input-bg);
    color: var(--sidebar-light-theme-text);
    border: 1px solid var(--sidebar-light-theme-input-border);
}

[data-theme="light"] #left-sidebar .form-input:focus,
[data-theme="light"] #left-sidebar .form-textarea:focus {
    border-color: var(--color-primary);
}

[data-theme="light"] #left-sidebar .form-input::placeholder,
[data-theme="light"] #left-sidebar .form-textarea::placeholder {
    color: var(--sidebar-light-theme-text-secondary);
}

[data-theme="light"] #left-sidebar #diagram-name {
    background-color: var(--sidebar-light-theme-input-bg);
    color: var(--sidebar-light-theme-text);
    border-color: var(--sidebar-light-theme-input-border);
}

[data-theme="light"] .sidebar-collapse-btn {
    color: var(--sidebar-light-theme-text-secondary);
}

[data-theme="light"] .sidebar-collapse-btn:hover {
    background: var(--sidebar-light-theme-border);
    color: var(--sidebar-light-theme-text);
}

/* ==============================================
   暗色主题适配
   ============================================== */

[data-theme="dark"] .sidebar-collapse-btn {
    color: var(--color-text-secondary);
}

[data-theme="dark"] .sidebar-collapse-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

[data-theme="light"] #left-sidebar .toolbar-btn {
    color: var(--sidebar-light-theme-text);
    border-color: var(--sidebar-light-theme-border);
}

[data-theme="light"] #left-sidebar .toolbar-btn:hover {
    color: var(--sidebar-light-theme-text);
}

/* 亮色主题滚动条样式 */
[data-theme="light"] #left-sidebar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

[data-theme="light"] #left-sidebar::-webkit-scrollbar-track {
    background: var(--sidebar-light-theme-bg);
}

[data-theme="light"] #left-sidebar::-webkit-scrollbar-thumb {
    background: var(--sidebar-light-theme-input-border);
    border-radius: 4px;
}

/* 亮色主题其他元素 */
[data-theme="light"] .sidebar-resizer {
    background-color: var(--sidebar-light-theme-border);
}

[data-theme="light"] .sidebar-panels {
    background-color: var(--color-bg-primary);
}

/* ==============================================
   响应式设计
   ============================================== */

@media (max-width: 768px) {
    .sidebar-tabs.vertical {
        width: 40px;
        padding: 6px 4px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab {
        width: 36px;
        min-height: 44px;
        padding: 4px 2px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab svg {
        width: 20px;
        height: 20px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab .tab-label {
        font-size: var(--font-size-xs);
        margin-top: 1px;
    }
}

@media (max-width: 480px) {
    .sidebar-tabs.vertical {
        width: 36px;
        padding: 4px 2px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab {
        width: 32px;
        min-height: 40px;
        padding: 2px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab svg {
        width: 18px;
        height: 18px;
    }
    
    .sidebar-tabs.vertical .sidebar-tab .tab-label {
        margin-top: 1px;
    }
}