.hd-stage{--hd-canvas-width: 1180;--hd-canvas-height: 680;position:relative;width:min(calc(100% - 48px),calc(var(--hd-canvas-width) * 1px));margin:80px auto 0;aspect-ratio:var(--hd-canvas-width) / var(--hd-canvas-height)}.hd{--hd-sidebar-width: 240px;--hd-chat-width: 420px;--hd-titlebar-height: 40px;--hd-sidebar: #eff3f2;--hd-panel: #fff;--hd-line-composer: rgba(31, 35, 40, .1);--hd-line-soft: rgba(31, 35, 40, .05);--hd-line: rgba(31, 35, 40, .07);--hd-line-strong: rgba(31, 35, 40, .14);--hd-line-dark: rgba(31, 35, 40, .13);--hd-ink: #1d1d1f;--hd-copy: #1d1d1f;--hd-muted: #6d7074;--hd-faint: #989b9f;--hd-selected: rgba(24, 28, 32, .075);--hd-bubble: #f1f1f0;--hd-composer-input: rgba(255, 255, 255, .02);--hd-control: rgba(255, 255, 255, .98);--hd-control-soft: rgba(31, 35, 40, .06);--hd-send-bg: #27282a;--hd-send-ink: #fff;--hd-shimmer-dim: rgba(109, 112, 116, .38);--hd-shimmer-bright: rgba(57, 59, 62, .96);position:absolute;inset:0 auto auto 0;width:calc(var(--hd-canvas-width) * 1px);height:calc(var(--hd-canvas-height) * 1px);overflow:hidden;border:1px solid rgba(0,0,0,.2);border-radius:16px;background:var(--hd-panel);box-shadow:0 2px 3px #14181c0a,0 28px 70px #14181c21;color:var(--hd-ink);color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:14px;font-synthesis:none;letter-spacing:0;line-height:1.5;text-align:start;transform:scale(var(--hd-scale, 1));transform-origin:top left}:root[data-theme=dark] .hd{--hd-sidebar: #1a1d1d;--hd-panel: #171819;--hd-line: rgba(255, 255, 255, .07);--hd-line-composer: rgba(255, 255, 255, .03);--hd-line-soft: rgba(255, 255, 255, .05);--hd-line-strong: rgba(255, 255, 255, .14);--hd-line-dark: rgba(255, 255, 255, .07);--hd-ink: #f1f2f3;--hd-copy: #d8dadd;--hd-muted: #a3a6aa;--hd-faint: #797d82;--hd-selected: rgba(255, 255, 255, .085);--hd-bubble: #303235;--hd-composer-input: rgba(255, 255, 255, .03);--hd-control: #292b2e;--hd-control-soft: rgba(255, 255, 255, .075);--hd-send-bg: #e7e8ea;--hd-send-ink: #202224;--hd-shimmer-dim: rgba(163, 166, 170, .38);--hd-shimmer-bright: rgba(241, 242, 243, .96);border-color:#ffffff1a;box-shadow:0 2px 3px #00000042,0 30px 78px #0000006b}.hd *,.hd *:before,.hd *:after{box-sizing:border-box}.hd p,.hd h2{margin:0}.hd [hidden]{display:none!important}.hd-icon{display:block;width:14px;height:14px;flex:none}.hd-topbar{display:grid;height:var(--hd-titlebar-height);padding-right:18px;grid-template-columns:var(--hd-sidebar-width) minmax(0,1fr) auto;align-items:center;background:linear-gradient(to right,var(--hd-sidebar) 0 var(--hd-sidebar-width),var(--hd-panel) var(--hd-sidebar-width));direction:ltr}.hd-window-controls{display:flex;height:100%;padding-left:15px;align-items:center;gap:8px}.hd-window-controls>span{width:12px;height:12px;border-radius:50%}.hd-window-controls>span:nth-child(1){background:#ff5f57}.hd-window-controls>span:nth-child(2){background:#febc2e}.hd-window-controls>span:nth-child(3){background:#28c840}.hd-window-controls em{margin-left:5px;color:var(--hd-muted);font-size:12px;font-style:normal}.hd-book-stats{display:flex;min-width:0;height:100%;padding-left:16px;align-items:center;gap:12px;overflow:hidden;white-space:nowrap;border-left:1px solid var(--hd-line-dark)}.hd-book-stats strong{overflow:hidden;font-size:14px;font-weight:650;text-overflow:ellipsis}.hd-book-stats span{overflow:hidden;color:var(--hd-faint);font-size:11px;text-overflow:ellipsis}.hd-theme-icon{width:14px;height:14px}:root[data-theme=dark] .hd-theme-icon{filter:invert(1)}.hd-main{display:grid;height:calc(100% - var(--hd-titlebar-height));min-height:0;overflow:hidden;grid-template-columns:var(--hd-sidebar-width) var(--hd-chat-width) minmax(0,1fr);direction:ltr}.hd-sidebar,.hd-chat,.hd-editor{min-width:0;min-height:0}.hd-sidebar{display:flex;padding:0 6px 10px;flex-direction:column;overflow:hidden;background:var(--hd-sidebar);font-size:13px}.hd-sidebar-book{display:flex;min-height:32px;padding:5px;align-items:center;gap:7px;overflow:hidden;border-radius:8px;color:var(--hd-copy);font-size:13px;white-space:nowrap}.hd-sidebar-book span,.hd-tree-row span{overflow:hidden;text-overflow:ellipsis}.hd-sidebar-book .hd-icon{width:14px;height:14px}.hd-tree{position:relative;flex:1;overflow-x:hidden;overflow-y:auto;scrollbar-width:none}.hd-tree::-webkit-scrollbar{display:none}.hd-tree-row{display:flex;min-width:0;min-height:25px;align-items:center;overflow:hidden;border-radius:6px;color:var(--hd-copy);font-size:13px;white-space:nowrap}.hd-tree-parent{width:100%;min-height:25px;padding:5px;border:0;gap:8px;background:transparent;color:color-mix(in srgb,var(--hd-copy) 85%,transparent 15%);font:inherit;text-align:start}.hd-tree-parent .hd-chevron{width:13px;height:13px;transition:transform .14s ease}.hd-archive-toggle{background:transparent}.hd-archive-toggle:hover{background:var(--hd-selected)}.hd-archive-toggle.is-expanded .hd-chevron,.hd-volume-row .hd-chevron{transform:rotate(90deg)}.hd-tree-child{position:relative;padding:5px 4px 5px 48px}.hd-tree-child:before{position:absolute;top:-1px;bottom:-1px;left:32px;width:1px;background:var(--hd-line-soft);content:""}.hd-tree-child.is-current{background:var(--hd-selected);color:var(--hd-ink);font-weight:600}.hd-sidebar-footer{display:grid;padding:9px 5px 0;color:var(--hd-copy);font-size:13px}.hd-sidebar-footer div{display:flex;min-height:28px;align-items:center;gap:7px}.hd-sidebar-footer .hd-icon{width:14px;height:14px}.hd-chat{display:flex;border-left:1px solid var(--hd-line-dark);border-right:1px solid var(--hd-line);border-top:1px solid var(--hd-line);flex-direction:column;overflow:hidden;background:var(--hd-panel)}.hd-chat-scroll{display:flex;min-height:0;padding:16px;flex:1;flex-direction:column;gap:30px;overflow:hidden;scroll-behavior:smooth}.hd-turn{display:flex;flex-direction:column;gap:20px;font-size:13px;line-height:1.75}.hd-user-bubble{max-width:85%;padding:8px 14px;align-self:flex-end;border-radius:20px 0 20px 20px;background:var(--hd-bubble);color:var(--hd-copy);font-size:13px;line-height:1.75}.hd-assistant-turn{display:flex;flex-direction:column;gap:10px;padding-bottom:10px}.hd-assistant-turn.is-run-complete>:not([data-current-worked]):not([data-current-result]){display:none}.hd-worked{display:flex;padding-bottom:5px;border-bottom:1px solid var(--hd-line-soft);align-items:center;gap:4px;color:var(--hd-muted)}.hd-worked .hd-icon{width:14px;height:14px;color:var(--hd-faint)}.hd-assistant-copy,.hd-plan{color:var(--hd-copy)}.hd-plan strong{display:block;margin-bottom:7px;color:var(--hd-ink);font-size:14px;font-weight:650}.hd-plan p{margin-bottom:7px}.hd-plan ol,.hd-workflow-result ol{display:grid;padding-inline-start:20px;margin:9px 0 0;gap:6px;list-style:disc}.hd-phase-complete{position:relative;padding-inline-start:14px;color:var(--hd-muted)}.hd-phase-complete:before{position:absolute;inset-inline-start:0;top:.58em;width:5px;height:5px;border-radius:50%;background:var(--hd-faint);content:""}.hd-workflow-result{color:var(--hd-copy)}.hd-workflow-result strong{display:block;margin-bottom:7px;color:var(--hd-ink);font-size:14px;font-weight:650}.hd-workflow-result p+p{margin-top:8px}.hd-completion-title{color:var(--hd-ink);font-weight:600}.hd-completion-result section{margin-top:10px}.hd-completion-result section strong{display:block;margin-bottom:5px;color:var(--hd-ink);font-weight:650}.hd-completion-result ul{display:grid;padding-inline-start:14px;margin:0;gap:3px;list-style:disc}.hd-completion-result li::marker{color:var(--hd-faint);font-size:.8em}.hd-result-excerpt{display:-webkit-box;overflow:hidden;color:var(--hd-faint);-webkit-box-orient:vertical;-webkit-line-clamp:4}@keyframes hdTextShimmer{0%{background-position:100% center}to{background-position:-100% center}}.hd-live-status{color:var(--hd-faint)}.hd-live-status.is-streaming{background-image:linear-gradient(110deg,var(--hd-shimmer-dim) 0%,var(--hd-shimmer-dim) 40%,var(--hd-shimmer-bright) 50%,var(--hd-shimmer-dim) 60%,var(--hd-shimmer-dim) 100%);background-position:100% center;background-size:200% auto;background-clip:text;color:transparent;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:hdTextShimmer 2.5s linear infinite}.hd-composer-wrap{padding:0 12px 12px}.hd-composer{padding:10px;border:1px solid var(--hd-line-composer);border-radius:20px;background:var(--hd-composer-input);box-shadow:0 8px 24px #14181c0f}.hd-composer-text{display:block;min-height:48px;padding:0 4px;color:var(--hd-ink);font-size:13px;line-height:1.75}.hd-composer-text.is-idle{color:var(--hd-faint)}.hd-composer-footer{display:flex;min-height:28px;align-items:center;gap:12px}.hd-model-select{color:var(--hd-muted);font-size:12px}.hd-model-select{display:inline-flex;min-width:0;margin-left:auto;align-items:center;gap:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hd-model-select .hd-icon{width:12px;height:12px}.hd-send{display:inline-flex;width:28px;height:28px;border-radius:50%;align-items:center;justify-content:center;background:var(--hd-send-bg);color:var(--hd-send-ink)}.hd-send .hd-icon{width:16px;height:16px}.hd-send .hd-stop-icon{width:12px;height:12px}.hd-editor{display:flex;flex-direction:column;overflow:hidden;background:var(--hd-panel);border-top:1px solid var(--hd-line)}.hd-editor-tabs{display:flex;min-height:40px;padding:0 10px;align-items:center;gap:1px}.hd-editor-tab{display:inline-flex;min-width:0;max-width:210px;height:28px;padding:0 10px;border-radius:8px;align-items:center;gap:6px;overflow:hidden;color:var(--hd-muted);font-size:13px;white-space:nowrap}.hd-editor-tab>span{overflow:hidden;text-overflow:ellipsis}.hd-editor-tab .hd-icon{width:12px;height:12px;color:var(--hd-faint)}.hd-editor-tab.is-active{background:var(--hd-control-soft);color:var(--hd-ink);font-weight:500}.hd-editor-toolbar{display:flex;min-height:32px;padding:0 10px;border-bottom:1px solid var(--hd-line-soft);align-items:center;gap:12px;color:var(--hd-muted);font-size:10px}.hd-editor-mode{white-space:nowrap}.hd-editor-mode.is-active{padding:2px 7px;border-radius:7px;background:var(--hd-control-soft)}.hd-editor-tools{display:flex;min-width:0;margin-left:auto;align-items:center;gap:12px}.hd-search{width:14px;height:14px}.hd-editor-selector{display:inline-flex;height:22px;padding:0 4px 0 6px;border:1px solid var(--hd-line);border-radius:8px;align-items:center;gap:4px;overflow:hidden;color:var(--hd-muted);white-space:nowrap}.hd-editor-selector>span{overflow:hidden;text-overflow:ellipsis}.hd-editor-selector .hd-icon{width:12px;height:12px}.hd-editor-body{min-height:0;padding:16px;flex:1;overflow-x:hidden;overflow-y:auto;scrollbar-width:none}.hd-editor-body::-webkit-scrollbar{display:none}.hd-editor-body h2{margin-bottom:12px;color:var(--hd-ink);font-size:20px;font-weight:650;line-height:1.35}.hd-editor-body p{min-height:1.92em;margin-bottom:12px;color:var(--hd-copy);line-height:1.92}.hd-editor-meta{display:flex;min-height:32px;padding:0 25px 0 14px;border-top:1px solid var(--hd-line-soft);align-items:center;justify-content:flex-end;gap:12px;overflow:hidden;color:var(--hd-faint);font-size:11px;white-space:nowrap}.hd-editor-meta b{font-weight:400}.hd-export{width:14px;height:14px}.hd[data-direction=rtl] .hd-book-stats,.hd[data-direction=rtl] .hd-sidebar,.hd[data-direction=rtl] .hd-chat,.hd[data-direction=rtl] .hd-editor{direction:rtl;text-align:right}.hd[data-direction=rtl] .hd-book-stats{padding-right:20px;padding-left:0}.hd[data-direction=rtl] .hd-archive-toggle:not(.is-expanded) .hd-chevron{transform:scaleX(-1)}.hd[data-direction=rtl] .hd-tree-child{padding:4px 52px 4px 8px}.hd[data-direction=rtl] .hd-tree-child:before{right:35px;left:auto}@media(max-width:760px){.hd-stage{width:calc(100% - 24px)}}@media(prefers-reduced-motion:reduce){.hd-chat-scroll{scroll-behavior:auto}.hd-live-status.is-streaming{animation:none}}