/**
 * 黑板数据查看器样式
 * ==========================================
 * 右侧边栏可伸缩设计，深色主题适配
 */

/* 主容器 */
.blackboard-viewer-sidebar {
    position: fixed;
    /* 对齐仿真控制台的大小与位置 */
    top: 96px;
    right: var(--view-panel-tab-gutter, 0);
    /* 使用固定高度而非 bottom 以避免内部 flex 子项高度计算异常 */
    bottom: auto;
    width: 360px;
    height: var(--view-panel-height, min(72vh, calc(100vh - 120px))); /* capped height, not to page bottom */
    overflow: hidden; /* ensure inner scrolling happens in content area */
    background: var(--view-panel-bg, #ffffff);
    border-left: 1px solid var(--border-color, #333);
    /* 使用位移动画，和仿真控制台保持一致 */
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
    z-index: 12000; /* above toolbar and canvas to ensure wheel/scroll focus */
    display: flex;
    flex-direction: column;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px 0 0 8px;
    font-family: 'Segoe UI', 'SF Pro Display', -apple-system, system-ui, sans-serif;
    visibility: hidden;
    pointer-events: none;
}

.blackboard-viewer-sidebar.visible {
    transform: translateX(0);
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    border-left-color: var(--border-color, #333);
    visibility: visible;
    pointer-events: auto;
}

.blackboard-viewer-sidebar:not(.visible) {
    box-shadow: none;
    border-left-color: transparent;
    transform: translateX(110%);
}

/* 拖拽调整手柄 */
.blackboard-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: ew-resize;
    background: transparent;
    z-index: 10;
    transition: background 0.2s;
}

.blackboard-resize-handle:hover {
    background: var(--accent-color, #00ff41);
    opacity: 0.5;
}

/* 头部 */
.blackboard-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--view-panel-header-height, 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--view-panel-header-pad, 10px 16px);
    border-bottom: 1px solid var(--view-panel-header-border, var(--border-color, #333));
    background: var(--view-panel-header-bg, var(--bg-primary, #252525));
}

.blackboard-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
}

.blackboard-title svg {
    color: var(--accent-color, #00ff41);
}

.blackboard-header-buttons {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 头部内联统计 - 对齐脚本编辑器的样式思路 */
.blackboard-stats-inline {
    display: flex;
    align-items: center;
    gap: 6px; /* more compact */
}

.stat-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px; /* smaller visual footprint */
    background: var(--bg-tertiary, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: 4px;
    font-size: 10px; /* reduce font size */
    line-height: 1;
    white-space: nowrap;
}

/* badge text colors */
.stat-badge .stat-label {
    color: var(--text-secondary, #999);
}
.stat-badge .stat-value {
    color: var(--text-primary, #e0e0e0);
    font-weight: 600;
    font-size: 12px;
}

/* Light theme adjustments */
[data-theme="light"] .blackboard-stats-inline .stat-badge {
    background: #f3f4f6;
    border-color: #d1d5db;
}
[data-theme="light"] .blackboard-stats-inline .stat-badge .stat-label {
    color: #6b7280;
}
[data-theme="light"] .blackboard-stats-inline .stat-badge .stat-value {
    color: #1f2937;
}

.blackboard-hide-btn,
.blackboard-close-btn {
    background: transparent;
    border: none;
    padding: 6px;
    cursor: pointer;
    color: var(--text-secondary, #999);
    transition: all 0.2s;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blackboard-hide-btn:hover,
.blackboard-close-btn:hover {
    background: var(--bg-hover, #333);
    color: var(--text-primary, #e0e0e0);
}

.blackboard-hide-btn:hover {
    color: var(--accent-color, #00ff41);
}

.panel-pin-btn {
    background: transparent;
    border: none;
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary, #999);
    transition: all 0.2s;
}

.panel-pin-btn:hover {
    background: var(--bg-hover, #333);
    color: var(--text-primary, #e0e0e0);
}

.panel-pin-btn.pinned {
    background: var(--accent-color, #00ff41);
    color: #0b1e0f;
}

.panel-pin-btn svg {
    pointer-events: none;
}

/* 统计信息 */
.blackboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-primary, #252525);
    border-bottom: 1px solid var(--border-color, #333);
    flex: 0 0 auto;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary, #999);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent-color, #00ff41);
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}

/* 工具栏 */
.blackboard-toolbar {
    position: absolute;
    top: 48px;
    left: 0;
    right: 0;
    height: 44px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-primary, #252525);
    border-bottom: 1px solid var(--border-color, #333);
}

.blackboard-filter-input {
    flex: 1;
    padding: 6px 10px; /* reduce vertical and horizontal padding to shrink height */
    background: var(--bg-tertiary, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: 4px;
    color: var(--text-primary, #e0e0e0);
    font-size: 12px; /* reduce search input font size */
    line-height: 1.2; /* keep text compact */
    height: 28px; /* explicit smaller control height for consistency */
    outline: none;
    transition: all 0.2s;
}

/* placeholder size follows input size for visual consistency */
.blackboard-filter-input::placeholder {
    font-size: 12px;
    color: var(--text-secondary, #999);
}

.blackboard-filter-input:focus {
    border-color: var(--accent-color, #00ff41);
    background: var(--bg-secondary, #1e1e1e);
}

.blackboard-toolbar-btn {
    padding: 8px;
    background: var(--bg-tertiary, #2a2a2a);
    border: 1px solid var(--border-color, #444);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary, #999);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blackboard-toolbar-btn:hover {
    background: var(--bg-hover, #333);
    border-color: var(--accent-color, #00ff41);
    color: var(--accent-color, #00ff41);
}

.blackboard-toolbar-btn svg {
    width: 16px;
    height: 16px;
}

/* 内容区 */
.blackboard-content {
    position: absolute;
    top: 92px; /* header(48) + toolbar(44) */
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px 16px;
    background: var(--view-panel-bg, var(--bg-secondary, #1e1e1e));
    font-size: 13px;
    /* 更紧凑的行距，便于在内容区显示更多JSON行 */
    line-height: 1.35;
}

/* 空状态 */
.blackboard-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary, #999);
    text-align: center;
    gap: 12px;
}

.blackboard-empty-state svg {
    opacity: 0.3;
}

.blackboard-empty-state p {
    font-size: 16px;
    font-weight: 500;
    margin: 0;
}

.empty-hint {
    font-size: 12px;
    opacity: 0.7;
    max-width: 250px;
}

/* JSON树 */
.json-tree {
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 12px;
}

.json-node {
    margin: 2px 0;
}

.json-node-header {
    display: flex;
    align-items: center;
    /* 收紧每个节点标题的上下内边距，减少整体垂直间距 */
    padding: 2px 0;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.15s;
}

.json-node-header:hover {
    background: var(--bg-hover, rgba(255, 255, 255, 0.05));
}

.json-indent {
    display: inline-block;
    flex-shrink: 0;
}

.json-toggle {
    width: 16px;
    text-align: center;
    color: var(--text-secondary, #999);
    cursor: pointer;
    user-select: none;
    transition: transform 0.2s;
    flex-shrink: 0;
}

.json-toggle.collapsed {
    transform: rotate(-90deg);
}

.json-toggle-placeholder {
    width: 16px;
    flex-shrink: 0;
}

.json-key {
    color: var(--json-key-color, #9cdcfe);
    margin-right: 4px;
    font-weight: 500;
}

.json-colon {
    color: var(--text-secondary, #999);
    margin-right: 6px;
}

.json-value {
    word-break: break-all;
}

.json-string {
    color: var(--json-string-color, #ce9178);
}

.json-number {
    color: var(--json-number-color, #b5cea8);
}

.json-boolean {
    color: var(--json-boolean-color, #569cd6);
    font-weight: 600;
}

.json-null {
    color: var(--json-null-color, #808080);
    font-style: italic;
}

.json-undefined {
    color: var(--json-null-color, #808080);
    font-style: italic;
}

.json-array {
    color: var(--text-secondary, #999);
    font-style: italic;
}

.json-collapsed-hint {
    color: var(--text-secondary, #999);
    font-style: italic;
    opacity: 0.7;
}

.json-empty {
    color: var(--text-secondary, #999);
    opacity: 0.5;
}

/* 滚动条样式 */
.blackboard-content::-webkit-scrollbar {
    width: 8px;
}

.blackboard-content::-webkit-scrollbar-track {
    background: var(--bg-primary, #252525);
}

.blackboard-content::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary, #444);
    border-radius: 4px;
}

.blackboard-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary, #666);
}

/* 响应式 */
@media (max-width: 768px) {
    .blackboard-viewer-sidebar {
        width: 100%;
        right: -100%;
    }

    .blackboard-viewer-sidebar.visible {
        right: 0;
    }

    .blackboard-stats {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

/* 高对比度主题支持 */
[data-theme="high-contrast"] .blackboard-viewer-sidebar {
    border-left: 2px solid var(--border-color, #fff);
}

[data-theme="high-contrast"] .blackboard-filter-input:focus {
    outline: 2px solid var(--accent-color, #0ff);
}

/* 亮色主题适配 */
[data-theme="light"] .blackboard-viewer-sidebar {
    background: var(--bg-secondary, #f5f5f5);
    border-left-color: var(--border-color, #ddd);
}

[data-theme="light"] .blackboard-header,
[data-theme="light"] .blackboard-stats,
[data-theme="light"] .blackboard-toolbar {
    background: var(--bg-primary, #fff);
    border-bottom-color: var(--border-color, #ddd);
}

[data-theme="light"] .blackboard-filter-input {
    background: var(--bg-tertiary, #fff);
    border-color: var(--border-color, #ccc);
    color: var(--text-primary, #333);
}

[data-theme="light"] .blackboard-toolbar-btn {
    background: var(--bg-tertiary, #fff);
    border-color: var(--border-color, #ccc);
    color: var(--text-secondary, #666);
}

[data-theme="light"] .blackboard-title {
    color: var(--text-primary, #333);
}

[data-theme="light"] .blackboard-title svg {
    color: var(--accent-color, #00aa33);
}

[data-theme="light"] .blackboard-hide-btn:hover {
    background: rgba(0, 170, 51, 0.1);
    color: var(--accent-color, #00aa33);
}

[data-theme="light"] .blackboard-close-btn:hover {
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .json-key {
    color: var(--json-key-color, #0451a5);
}

[data-theme="light"] .json-string {
    color: var(--json-string-color, #a31515);
}

[data-theme="light"] .json-number {
    color: var(--json-number-color, #098658);
}

[data-theme="light"] .json-boolean {
    color: var(--json-boolean-color, #0000ff);
}