/**
 * AI 思维导图页面样式
 *
 * @package    Hui
 * @subpackage AI_Mindmap
 * @since      1.5.0
 */

/* ============================================================================
   页面全局设置
   ============================================================================ */

body.hui-ai-mindmap-body {
    overflow: hidden !important;
    height: 100vh !important;
}

body.hui-ai-mindmap-body #colophon,
body.hui-ai-mindmap-body .xun-footer,
body.hui-ai-mindmap-body footer.site-footer {
    display: none !important;
}

body.hui-ai-mindmap-body .hui-mobile-tabbar,
body.hui-ai-mindmap-body .hui-mobile-tabbar-overlay,
body.hui-ai-mindmap-body .hui-mobile-tabbar-menu {
    display: none !important;
}

body.hui-ai-mindmap-body {
    padding-bottom: 0 !important;
}

body.hui-ai-mindmap-body #content,
body.hui-ai-mindmap-body .site-content,
body.hui-ai-mindmap-body main.site-main,
body.hui-ai-mindmap-body #main {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
}

/* ============================================================================
   页面容器
   ============================================================================ */

.hui-ai-mindmap-page {
    display: flex;
    height: calc(100vh - 64px);
    background: var(--color-bg-layout, #f5f5f5);
    overflow: hidden;
}

/* ============================================================================
   最左侧图标导航
   ============================================================================ */

.hui-ai-mindmap-nav {
    display: flex;
    flex-direction: column;
    width: 72px;
    background: var(--color-bg-container, #fff);
    border-right: 1px solid var(--color-border-secondary, #f0f0f0);
    flex-shrink: 0;
}

.hui-ai-mindmap-nav-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 0;
    gap: 4px;
}

.hui-ai-mindmap-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 56px;
    padding: 10px 0;
    color: var(--color-text-tertiary, #999);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-nav-item:hover {
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-mindmap-nav-item.is-active {
    color: var(--xun-secondary, var(--color-primary)) !important;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%) !important;
}

.hui-ai-mindmap-nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.hui-ai-mindmap-nav-text {
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
}

/* ============================================================================
   左侧输入面板
   ============================================================================ */

.hui-ai-mindmap-sidebar {
    width: 280px;
    background: var(--color-bg-container, #fff);
    border-right: 1px solid var(--color-border-secondary, #f0f0f0);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.hui-ai-mindmap-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-title svg {
    color: var(--xun-secondary, var(--color-primary));
}

.hui-ai-mindmap-new-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--xun-secondary, var(--color-primary));
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-new-btn:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
}

/* 输入区域 */
.hui-ai-mindmap-input-section {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-input-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.hui-ai-mindmap-input-icon {
    font-size: 14px;
}

.hui-ai-mindmap-input-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-denoise {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
}

/* 开关样式 */
.hui-ai-mindmap-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}

.hui-ai-mindmap-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.hui-ai-mindmap-switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-fill-secondary, rgba(0, 0, 0, 0.06));
    border-radius: 20px;
    transition: 0.3s;
}

.hui-ai-mindmap-switch-slider::before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background: #fff;
    border-radius: 50%;
    transition: 0.3s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hui-ai-mindmap-switch input:checked + .hui-ai-mindmap-switch-slider {
    background: var(--xun-secondary, var(--color-primary));
}

.hui-ai-mindmap-switch input:checked + .hui-ai-mindmap-switch-slider::before {
    transform: translateX(16px);
}

/* 输入框 */
.hui-ai-mindmap-input-wrapper {
    position: relative;
}

.hui-ai-mindmap-input {
    width: 100%;
    min-height: 100px;
    padding: 12px;
    font-size: 14px;
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 10px;
    outline: none;
    resize: none;
    line-height: 1.6;
    transition: border-color 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-input:focus {
    border-color: var(--xun-secondary, var(--color-primary));
    background: var(--color-bg-container, #fff);
}

.hui-ai-mindmap-input::placeholder {
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-mindmap-input-count {
    position: absolute;
    right: 10px;
    bottom: 8px;
    font-size: 11px;
    color: var(--color-text-quaternary, #ccc);
}

/* 预览区域 */
.hui-ai-mindmap-preview-section {
    flex: 1;
    padding: 16px 20px;
    overflow-y: auto;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.hui-ai-mindmap-preview-icon {
    font-size: 14px;
}

.hui-ai-mindmap-preview-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-preview-edit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    margin-left: auto;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-preview-edit:hover {
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-mindmap-preview-content {
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-secondary, #666);
    white-space: pre-wrap;
    word-break: break-word;
}

/* 生成按钮 */
.hui-ai-mindmap-generate-section {
    padding: 16px 20px;
}

.hui-ai-mindmap-generate-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth, ease);
}

.hui-ai-mindmap-generate-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.hui-ai-mindmap-generate-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hui-ai-mindmap-generate-btn.is-loading {
    pointer-events: none;
}

.hui-ai-mindmap-generate-btn.is-loading svg {
    animation: hui-mindmap-spin 1s linear infinite;
}

@keyframes hui-mindmap-spin {
    to { transform: rotate(360deg); }
}

.hui-ai-mindmap-generate-cost {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
}

/* 用户信息 - AI 科技风格 */
.hui-ai-mindmap-user {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    margin: 12px;
    margin-top: auto;
    background: linear-gradient(135deg, 
        rgba(16, 185, 129, 0.08) 0%, 
        rgba(59, 130, 246, 0.08) 50%,
        rgba(139, 92, 246, 0.08) 100%
    );
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.hui-ai-mindmap-user::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #10b981, #3b82f6, #8b5cf6);
    opacity: 0.8;
}

.hui-ai-mindmap-user-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.hui-ai-mindmap-user-avatar {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: visible;
    flex-shrink: 0;
}

.hui-ai-mindmap-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

/* 确保认证图标不被遮挡 */
.hui-ai-mindmap-user-avatar .xun-badge,
.hui-ai-mindmap-user-avatar .hui-verification-badge {
    position: absolute;
    right: -4px;
    bottom: -4px;
    z-index: 10;
}

.hui-ai-mindmap-user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.hui-ai-mindmap-user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hui-ai-mindmap-user-role {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(59, 130, 246, 0.15));
    padding: 2px 8px;
    border-radius: 20px;
    width: fit-content;
}

/* 用户点数显示 - 双点数布局 */
.hui-ai-mindmap-user-points {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 12px;
    background: var(--color-bg-container, #fff);
    border: 1px solid rgba(16, 185, 129, 0.1);
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.08);
}

.hui-ai-mindmap-points-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hui-ai-mindmap-points-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.hui-ai-mindmap-points-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-tertiary, #999);
    white-space: nowrap;
    display: flex;
    align-items: center;
}

.hui-ai-mindmap-points-item:first-child .hui-ai-mindmap-points-label::before {
    content: '🎁';
    margin-right: 4px;
}

.hui-ai-mindmap-points-item:last-child .hui-ai-mindmap-points-label::before {
    content: '💰';
    margin-right: 4px;
}

.hui-ai-mindmap-points-value {
    font-size: 14px;
    font-weight: 700;
    background: linear-gradient(135deg, #10b981, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

/* 充值按钮 - 内嵌在点数区域 */
.hui-ai-mindmap-user-points .hui-ai-recharge-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 100%;
    height: 32px;
    padding: 0 12px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-user-points .hui-ai-recharge-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.hui-ai-mindmap-user-points .hui-ai-recharge-btn svg {
    width: 14px;
    height: 14px;
}

.hui-ai-mindmap-user-points .hui-ai-recharge-btn span {
    display: inline;
}

.hui-ai-mindmap-guest-info {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hui-ai-mindmap-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth, ease);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    position: relative;
    overflow: hidden;
}

.hui-ai-mindmap-login-btn::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;
}

.hui-ai-mindmap-login-btn:hover::before {
    left: 100%;
}

.hui-ai-mindmap-login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
}

.hui-ai-mindmap-login-hint {
    margin: 0;
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
    text-align: center;
    padding: 8px 12px;
    background: rgba(16, 185, 129, 0.05);
    border-radius: 8px;
}

/* ============================================================================
   主内容区域
   ============================================================================ */

.hui-ai-mindmap-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--color-bg-layout, #f5f5f5);
}

/* 工具栏 */
.hui-ai-mindmap-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    background: var(--color-bg-container, #fff);
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-toolbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hui-ai-mindmap-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-secondary, #666);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
}

.hui-ai-mindmap-toolbar-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-toolbar-right {
    display: flex;
    align-items: center;
    gap: 4px;
}

.hui-ai-mindmap-tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-tool-btn:hover {
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

/* 历史记录按钮默认隐藏，移动端显示 */
.hui-ai-mindmap-history-btn {
    display: none;
}

.hui-ai-mindmap-toolbar-divider {
    width: 1px;
    height: 20px;
    margin: 0 8px;
    background: var(--color-border-secondary, #f0f0f0);
}

/* 思维导图容器 */
.hui-ai-mindmap-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* Markmap 样式 */
.hui-ai-mindmap-container .markmap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hui-ai-mindmap-container .markmap > svg {
    width: 100%;
    height: 100%;
}

#hui-mindmap-svg {
    width: 100%;
    height: 100%;
}

/* 空状态 */
.hui-ai-mindmap-empty {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px;
}

.hui-ai-mindmap-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 50%;
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-mindmap-empty-title {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
}

.hui-ai-mindmap-empty-desc {
    margin: 0;
    font-size: 14px;
    color: var(--color-text-tertiary, #999);
}

/* 加载状态 */
.hui-ai-mindmap-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hui-ai-mindmap-loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-fill-secondary, rgba(0, 0, 0, 0.06));
    border-top-color: var(--xun-secondary, var(--color-primary));
    border-radius: 50%;
    animation: hui-mindmap-spin 1s linear infinite;
}

.hui-ai-mindmap-loading p {
    margin: 0;
    font-size: 14px;
    color: var(--color-text-tertiary, #999);
}

/* ============================================================================
   右侧历史记录面板
   ============================================================================ */

.hui-ai-mindmap-history {
    width: 280px;
    background: var(--color-bg-container, #fff);
    border-left: 1px solid var(--color-border-secondary, #f0f0f0);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.hui-ai-mindmap-history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-history-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-history-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-history-clear:hover {
    color: var(--color-error, #ef4444);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-mindmap-history-search {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 16px;
    padding: 8px 12px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: 8px;
}

.hui-ai-mindmap-history-search svg {
    color: var(--color-text-quaternary, #ccc);
    flex-shrink: 0;
}

.hui-ai-mindmap-history-search input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--color-text, #333);
    outline: none;
}

.hui-ai-mindmap-history-search input::placeholder {
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-mindmap-history-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
}

/* 历史记录项 */
.hui-ai-mindmap-history-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    margin-bottom: 8px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-history-item:hover {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
}

.hui-ai-mindmap-history-item.is-active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.hui-ai-mindmap-history-item-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-bg-container, #fff);
    border-radius: 8px;
    color: var(--xun-secondary, var(--color-primary));
    flex-shrink: 0;
}

.hui-ai-mindmap-history-item-icon svg {
    width: 16px;
    height: 16px;
}

.hui-ai-mindmap-history-item-content {
    flex: 1;
    min-width: 0;
}

.hui-ai-mindmap-history-item-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.hui-ai-mindmap-history-item-time {
    font-size: 11px;
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-mindmap-history-item-delete {
    display: none;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    flex-shrink: 0;
}

.hui-ai-mindmap-history-item:hover .hui-ai-mindmap-history-item-delete {
    display: flex;
}

.hui-ai-mindmap-history-item-delete:hover {
    color: var(--color-error, #ef4444);
}

/* 历史记录空状态 */
.hui-ai-mindmap-history-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.hui-ai-mindmap-history-empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: 16px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: 50%;
    color: var(--color-text-quaternary, #ccc);
}

.hui-ai-mindmap-history-empty p {
    margin: 0;
    font-size: 13px;
    color: var(--color-text-tertiary, #999);
}

/* 遮罩层 */
.hui-ai-mindmap-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

/* ============================================================================
   Markmap 样式覆盖
   ============================================================================ */

.hui-ai-mindmap-container .markmap-node-circle {
    fill: var(--xun-secondary, var(--color-primary));
}

.hui-ai-mindmap-container .markmap-node-text {
    fill: var(--color-text, #333);
    font-size: 14px;
}

.hui-ai-mindmap-container .markmap-link {
    stroke: var(--color-border, #e5e5e5);
}

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

@media (max-width: 1200px) {
    .hui-ai-mindmap-history {
        width: 240px;
    }
}

@media (max-width: 1024px) {
    .hui-ai-mindmap-history {
        position: fixed;
        top: 64px;
        right: -280px;
        bottom: 0;
        width: 280px;
        z-index: 100;
        transition: right 0.3s var(--ease-smooth, ease);
    }
    
    .hui-ai-mindmap-history.is-open {
        right: 0;
    }
    
    .hui-ai-mindmap-overlay.is-visible {
        display: block;
    }
}

@media (max-width: 768px) {
    .hui-ai-mindmap-nav {
        display: none;
    }
    
    .hui-ai-mindmap-sidebar {
        position: fixed;
        top: 0;
        left: -300px;
        bottom: 0;
        width: 280px;
        z-index: 950;
        transition: left 0.3s var(--ease-smooth, ease);
    }
    
    .hui-ai-mindmap-sidebar.is-open {
        left: 0;
    }
    
    .hui-ai-mindmap-menu-toggle {
        display: flex;
    }
    
    .hui-ai-mindmap-page {
        height: calc(100vh - 56px);
        padding-bottom: calc(54px + env(safe-area-inset-bottom, 0px));
    }

    /* 工具栏移动端适配 */
    .hui-ai-mindmap-toolbar {
        padding: 8px 12px;
        gap: 4px;
    }

    .hui-ai-mindmap-toolbar-title {
        font-size: 13px;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .hui-ai-mindmap-toolbar-right {
        gap: 0;
    }

    .hui-ai-mindmap-tool-btn {
        width: 32px;
        height: 32px;
    }

    .hui-ai-mindmap-tool-btn svg {
        width: 16px;
        height: 16px;
    }

    .hui-ai-mindmap-toolbar-divider {
        margin: 0 4px;
    }

    /* 历史记录按钮移动端显示 */
    .hui-ai-mindmap-history-btn {
        display: flex;
    }

    /* 历史记录面板移动端 */
    .hui-ai-mindmap-history {
        position: fixed;
        top: 64px;
        right: -280px;
        bottom: 0;
        width: 280px;
        z-index: 950;
        transition: right 0.3s var(--ease-smooth, ease);
    }

    .hui-ai-mindmap-history.is-open {
        right: 0;
    }

    /* 遮罩层在侧边栏和底部 tab 之间 */
    .hui-ai-mindmap-overlay {
        z-index: 940;
    }
}

/* ============================================================================
   移动端底部导航 Tab
   ============================================================================ */

.hui-ai-mindmap-mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .hui-ai-mindmap-mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 900;
        background: var(--color-bg-container, #fff);
        border-top: 1px solid var(--color-border-secondary, #f0f0f0);
        padding: 6px 0;
        padding-bottom: calc(6px + env(safe-area-inset-bottom, 0px));
        justify-content: space-around;
        align-items: center;
    }

    .hui-ai-mindmap-mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex: 1;
        padding: 6px 0;
        color: var(--color-text-tertiary, #999);
        text-decoration: none;
        transition: color 0.2s var(--ease-smooth, ease);
    }

    .hui-ai-mindmap-mobile-nav-item.is-active {
        color: var(--xun-secondary, var(--color-primary));
    }

    .hui-ai-mindmap-mobile-nav-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 2px;
    }

    .hui-ai-mindmap-mobile-nav-icon svg {
        width: 20px;
        height: 20px;
    }

    .hui-ai-mindmap-mobile-nav-text {
        font-size: 10px;
        font-weight: 500;
        white-space: nowrap;
    }
}

/* ============================================================================
   深色模式
   ============================================================================ */

@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-mindmap-container .markmap-node-text {
        fill: var(--color-text, #e5e5e5);
    }
    
    :root:not(.light) .hui-ai-mindmap-container .markmap-link {
        stroke: var(--color-border, #333);
    }
}

.dark .hui-ai-mindmap-container .markmap-node-text {
    fill: var(--color-text, #e5e5e5);
}

.dark .hui-ai-mindmap-container .markmap-link {
    stroke: var(--color-border, #333);
}


/* ============================================================================
   Markdown 编辑器弹窗
   ============================================================================ */

.hui-ai-mindmap-editor-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: hui-editor-fade-in 0.2s ease;
}

@keyframes hui-editor-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hui-ai-mindmap-editor-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.hui-ai-mindmap-editor-content {
    position: relative;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--color-bg-container, #fff);
    border-radius: var(--xun-radius-lg, 12px);
    box-shadow: var(--shadow-modal, 0 20px 25px -5px rgba(0, 0, 0, 0.1));
    display: flex;
    flex-direction: column;
    animation: hui-editor-slide-up 0.3s ease;
}

@keyframes hui-editor-slide-up {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.hui-ai-mindmap-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-editor-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text, #333);
}

.hui-ai-mindmap-editor-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-text-tertiary, #999);
    background: transparent;
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-editor-close:hover {
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
}

.hui-ai-mindmap-editor-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hui-ai-mindmap-editor-textarea {
    width: 100%;
    min-height: 300px;
    padding: 16px;
    font-family: var(--font-mono, 'JetBrains Mono', monospace);
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text, #333);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 8px);
    outline: none;
    resize: vertical;
    transition: border-color 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-editor-textarea:focus {
    border-color: var(--xun-secondary, var(--color-primary));
    background: var(--color-bg-container, #fff);
}

.hui-ai-mindmap-editor-tips {
    padding: 12px 16px;
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border-radius: var(--xun-radius, 8px);
}

.hui-ai-mindmap-editor-tips p {
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
}

.hui-ai-mindmap-editor-tips ul {
    margin: 0;
    padding-left: 20px;
}

.hui-ai-mindmap-editor-tips li {
    font-size: 12px;
    color: var(--color-text-tertiary, #999);
    margin-bottom: 4px;
}

.hui-ai-mindmap-editor-tips code {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono, monospace);
    font-size: 12px;
    color: var(--xun-secondary, var(--color-primary));
    background: var(--color-bg-container, #fff);
    border-radius: 4px;
}

.hui-ai-mindmap-editor-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 16px 20px;
    border-top: 1px solid var(--color-border-secondary, #f0f0f0);
}

.hui-ai-mindmap-editor-cancel {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
    background: var(--color-fill-quaternary, rgba(0, 0, 0, 0.02));
    border: 1px solid var(--color-border-secondary, #f0f0f0);
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-editor-cancel:hover {
    background: var(--color-fill-tertiary, rgba(0, 0, 0, 0.04));
}

.hui-ai-mindmap-editor-save {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border: none;
    border-radius: var(--xun-radius, 8px);
    cursor: pointer;
    transition: all 0.2s var(--ease-smooth, ease);
}

.hui-ai-mindmap-editor-save:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
    :root:not(.light) .hui-ai-mindmap-editor-tips code {
        background: var(--color-fill-secondary, rgba(255, 255, 255, 0.06));
    }
}

.dark .hui-ai-mindmap-editor-tips code {
    background: var(--color-fill-secondary, rgba(255, 255, 255, 0.06));
}