:root{font-family:Inter,SF Pro Text,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}:root[data-theme=dark]{--color-bg: #0c0f14;--color-surface: #121722;--color-surface-elevated: #1a2130;--color-border: rgba(255, 255, 255, .08);--color-text: #e6ecf4;--color-muted: #9aa3b2;--color-accent: #5fa4ff;--composer-control-bg-start: rgba(24, 33, 52, .96);--composer-control-bg-end: rgba(13, 19, 32, .96);--composer-tools-bg: rgba(11, 16, 28, .97);--composer-tools-shadow: 0 16px 34px rgba(6, 9, 16, .45);--composer-input-bg-start: rgba(18, 26, 44, .98);--composer-input-bg-end: rgba(12, 18, 30, .98);--composer-input-drag-bg-start: rgba(23, 36, 64, .98);--composer-input-drag-bg-end: rgba(14, 23, 40, .98);--composer-plus-bg: rgba(23, 32, 50, .96);--composer-plus-border: rgba(255, 255, 255, .1);--composer-plus-hover-bg: rgba(30, 42, 64, .98);--composer-prompt-bg-start: rgba(19, 25, 40, .98);--composer-prompt-bg-end: rgba(11, 16, 28, .96);--composer-prompt-border: rgba(95, 164, 255, .4);--composer-prompt-shadow: 0 14px 30px rgba(6, 9, 16, .45);--composer-prompt-divider: rgba(255, 255, 255, .07)}:root[data-theme=light]{--color-bg: #f5f7fb;--color-surface: #ffffff;--color-surface-elevated: #f0f3f8;--color-border: rgba(16, 20, 30, .12);--color-text: #1a1f2a;--color-muted: #5c677a;--color-accent: #3578e5;--composer-control-bg-start: #ffffff;--composer-control-bg-end: #f3f6fb;--composer-tools-bg: #ffffff;--composer-tools-shadow: 0 16px 34px rgba(16, 20, 30, .14);--composer-input-bg-start: #ffffff;--composer-input-bg-end: #f6f8fc;--composer-input-drag-bg-start: #edf3ff;--composer-input-drag-bg-end: #e7efff;--composer-plus-bg: #ffffff;--composer-plus-border: rgba(16, 20, 30, .18);--composer-plus-hover-bg: #f2f6fd;--composer-prompt-bg-start: #ffffff;--composer-prompt-bg-end: #f4f7fc;--composer-prompt-border: rgba(53, 120, 229, .34);--composer-prompt-shadow: 0 14px 30px rgba(16, 20, 30, .14);--composer-prompt-divider: rgba(16, 20, 30, .08)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--color-bg);color:var(--color-text)}html,body,#root{height:100%;overflow:hidden}input,textarea,select,button{font-family:inherit}button:disabled{opacity:.6;cursor:not-allowed}.markdown-body{word-break:break-word}.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4{margin:.6rem 0 .4rem;line-height:1.2}.markdown-body ul,.markdown-body ol{padding-left:1.2rem;margin:.4rem 0}.markdown-body a{color:var(--color-accent)}.markdown-inline-code{padding:.05rem .3rem;border-radius:4px;background:#7f7f7f33;font-family:SFMono-Regular,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.markdown-code-block{margin:.6rem 0;padding:.75rem;border-radius:8px;background:#0c0f1499;color:var(--color-text);overflow-x:auto}.markdown-code-block code{font-family:SFMono-Regular,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;white-space:pre}.app-shell{min-height:100vh;height:100vh;display:flex;overflow:hidden;background:radial-gradient(circle at 10% 10%,rgba(95,164,255,.12),transparent 45%),radial-gradient(circle at 80% 20%,rgba(240,180,122,.1),transparent 45%),var(--color-bg);color:var(--color-text)}.sidebar{width:300px;padding:24px;background:var(--color-surface);border-right:1px solid var(--color-border);display:flex;flex-direction:column;gap:20px;box-shadow:8px 0 30px #090c125c}.sidebar.collapsed{width:74px;padding:18px 12px;align-items:center}.sidebar-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}.sidebar-titles{display:flex;flex-direction:column;gap:4px}.app-title{font-size:20px;font-weight:600}.app-subtitle{font-size:13px;color:var(--color-muted)}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:10px}.sidebar-shortcuts{display:flex;align-items:center;gap:10px}.sidebar-icon-btn{width:44px;height:44px;padding:0;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}a.sidebar-icon-btn{text-decoration:none}.sidebar-icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-status-card{display:inline-flex;align-items:center;gap:8px;width:100%;min-height:36px;padding:6px 10px;border-radius:999px;border:1px solid var(--color-border);background:var(--color-surface-elevated);font-size:12px}.sidebar-status-card.compact{justify-content:center;width:40px;min-height:40px;padding:0;border-radius:12px}.sidebar.collapsed .sidebar-shortcuts{flex-direction:column}.sidebar.collapsed .sidebar-icon-btn{width:46px;height:46px}.main{flex:1;display:flex;flex-direction:column;position:relative;overflow:hidden}.workspace{flex:1;display:grid;grid-template-columns:minmax(360px,46%) minmax(420px,54%);gap:20px;padding:24px 28px 32px;overflow:hidden}.workspace.is-empty{display:flex}.workspace-chat,.workspace-scene{display:flex;flex-direction:column;min-height:0;overflow:hidden}.workspace-empty{flex:1;min-height:0;display:grid;place-items:center;padding:28px}.workspace-empty-card{width:min(680px,100%);min-height:280px;border-radius:22px;border:1px solid var(--color-border);background:radial-gradient(circle at 20% 12%,rgba(95,164,255,.16),transparent 45%),radial-gradient(circle at 80% 88%,rgba(252,211,153,.14),transparent 40%),linear-gradient(145deg,#131b2bf5,#0a101cfa);box-shadow:0 22px 48px #05091073;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;text-align:center;padding:34px 28px}.workspace-empty-badge{border:1px solid rgba(95,164,255,.42);background:#5fa4ff1a;color:#cfe2ff;border-radius:999px;padding:6px 12px;font-size:11px;letter-spacing:.08em;text-transform:uppercase}.workspace-empty-title{font-size:clamp(24px,2.8vw,38px);line-height:1.1;font-weight:700;letter-spacing:-.02em;color:#f3f7ff;text-wrap:balance}.workspace-empty-subtitle{color:var(--color-muted);font-size:14px}.workspace-empty-cta{margin-top:4px;min-width:130px}.workspace-chat{border-right:1px solid var(--color-border);padding-right:8px}.settings-overlay{position:absolute;inset:0;background:#090c1299;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:flex-start;padding:40px 20px;z-index:50}.settings-card{width:min(720px,96%);background:var(--color-surface);border-radius:18px;border:1px solid var(--color-border);padding:20px;box-shadow:0 18px 45px #06090f73}.settings-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.thread-list{display:flex;flex-direction:column;gap:12px;min-height:0}.thread-list.collapsed{align-items:center}.thread-create-error{border:1px solid rgba(248,113,113,.5);background:#f871711f;color:#fecaca;border-radius:10px;padding:8px 10px;font-size:12px;line-height:1.45}.thread-create-hint{border:1px solid rgba(147,197,253,.36);background:#60a5fa1f;color:#dbeafe;border-radius:10px;padding:7px 10px;font-size:12px;line-height:1.4}.thread-create-hint.action{border-color:#fbbf2461;background:#fbbf241f;color:#fde68a}.thread-items{display:flex;flex-direction:column;gap:12px;overflow-y:auto;padding-right:6px;overscroll-behavior:contain}.thread-items.collapsed{padding-right:0;align-items:center}.thread-item{padding:10px 11px;border-radius:14px;background:var(--color-surface-elevated);border:1px solid transparent;cursor:pointer;display:flex;flex-direction:column;gap:6px;transition:border-color .2s ease,transform .2s ease}.thread-item.compact{width:44px;align-items:center;padding:10px}.thread-item.active{border-color:var(--color-accent);box-shadow:0 0 0 1px #5fa4ff33}.thread-item:hover{border-color:#ffffff1f;transform:translateY(-1px)}.thread-item.occupying:not(.active){border-color:#fbbf2438}.thread-title{font-size:14px;font-weight:600}.thread-title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.thread-meta{font-size:11px;color:var(--color-muted)}.thread-runtime-dot{width:7px;height:7px;flex-shrink:0;border-radius:50%;border:1px solid rgba(255,255,255,.18)}.thread-runtime-dot.occupied{background:#fbbf24;box-shadow:0 0 0 3px #fbbf242e}.thread-runtime-dot.free{background:#4ade80;box-shadow:0 0 0 3px #4ade8029}.thread-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.thread-action-btn{font-size:11px;line-height:1.1;padding:4px 8px;border-radius:8px}.primary-btn,.ghost-btn,.text-btn{border-radius:10px;border:1px solid var(--color-border);padding:8px 14px;cursor:pointer;font-size:13px;background:transparent;color:var(--color-text);transition:transform .2s ease,box-shadow .2s ease}.primary-btn{background:var(--color-accent);border-color:var(--color-accent);color:#0b0d13;font-weight:600;box-shadow:0 8px 24px #5fa4ff40}.ghost-btn{background:var(--color-surface);color:var(--color-text)}.primary-btn:hover,.ghost-btn:hover{transform:translateY(-1px)}.primary-btn:disabled,.ghost-btn:disabled{opacity:.65;cursor:not-allowed;transform:none}.ghost-btn.full-width{width:100%}.icon-btn{width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center}.thread-list.collapsed .icon-btn{width:40px;height:40px}.text-btn{border:none;padding:0;color:var(--color-muted);background:none}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--color-muted);box-shadow:0 0 6px #ffffff1f;flex-shrink:0}.status-dot.online{background:#4ade80;box-shadow:0 0 6px #4ade8099}.status-dot.offline{background:#f87171;box-shadow:0 0 6px #f8717199}.status-dot.checking{background:#fbbf24;box-shadow:0 0 6px #fbbf2499;animation:status-pulse 1.2s ease-in-out infinite}.status-text{font-weight:500;color:var(--color-text)}@keyframes status-pulse{0%,to{opacity:.5}50%{opacity:1}}.dropdown{position:relative;display:inline-block}.dropdown-trigger{display:inline-flex;align-items:center;gap:6px}.dropdown-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:240px;max-height:320px;overflow-y:auto;background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:10px;box-shadow:0 8px 18px #04060c73;z-index:30;overflow-x:hidden}.dropdown-item{display:block;width:100%;padding:10px 12px;text-align:left;background:transparent;border:none;color:var(--color-text);font-size:13px;cursor:pointer}.dropdown-item:hover:not(:disabled){background:#ffffff0d}.dropdown-item:not(:last-child){border-bottom:1px solid var(--color-border)}.dropdown-item:disabled{color:var(--color-muted);opacity:.5;cursor:not-allowed}.dropdown-section-label{padding:8px 12px;font-size:11px;color:var(--color-muted);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border);background:#ffffff05;letter-spacing:.02em}.dropdown-item-info{color:var(--color-muted);cursor:default}.dropdown-item-blend{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.dropdown-item-meta{font-size:11px;color:var(--color-muted)}.toggle-switch{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--color-muted)}.toggle-switch input{position:absolute;opacity:0;pointer-events:none}.toggle-slider{width:36px;height:20px;border-radius:999px;background:#ffffff1a;border:1px solid var(--color-border);position:relative;transition:background .2s ease,border-color .2s ease}.toggle-slider:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--color-text);transition:transform .2s ease}.toggle-switch input:checked+.toggle-slider{background:#5fa4ff59;border-color:#5fa4ffb3}.toggle-switch input:checked+.toggle-slider:after{transform:translate(16px)}.toggle-label{font-weight:500}.select-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--color-muted)}.styled-select,.field input{border:1px solid var(--color-border);border-radius:10px}.styled-select,.composer-model-select{background:linear-gradient(180deg,var(--color-surface-elevated),var(--color-surface));color:var(--color-text);min-height:36px;padding:8px 12px;font-size:12px;box-shadow:inset 0 1px #ffffff08}.styled-select:focus,.composer-model-select:focus{outline:none;border-color:#5fa4ffcc;box-shadow:0 0 0 3px #5fa4ff33}.chat-tab{display:flex;flex-direction:column;gap:14px;height:100%}.chat-stream-status{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;min-height:32px;padding:6px 10px;border-radius:10px;border:1px solid var(--color-border);background:var(--color-surface-elevated);font-size:12px;color:var(--color-muted)}.chat-stream-status.streaming{border-color:#5fa4ffb3;background:#5fa4ff24;color:#d8e8ff}.chat-stream-status.complete{border-color:var(--color-border)}.chat-stream-status-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 6px #4ade8099}.chat-stream-status.streaming .chat-stream-status-dot{background:#5fa4ff;box-shadow:0 0 8px #5fa4ffbf;animation:status-pulse 1.2s ease-in-out infinite}.chat-stream-status-text{font-weight:500}.chat-pane{min-height:0}.graph-timeline{border:1px solid var(--color-border);border-radius:12px;background:#0d1018ad;padding:10px 12px}.graph-timeline-header{display:flex;align-items:center;justify-content:space-between;gap:12px}.graph-timeline-title{font-size:12px;font-weight:600;color:var(--color-text)}.graph-timeline-actions{display:inline-flex;align-items:center;gap:10px}.graph-timeline-count{font-size:11px;color:var(--color-muted)}.graph-timeline-list{margin-top:8px;max-height:110px;min-height:72px;overflow-y:auto;display:grid;gap:8px;padding-right:2px}.graph-timeline-collapsed{margin-top:8px;min-height:24px;display:flex;align-items:center}.graph-timeline-collapsed-chip{display:inline-flex;align-items:center;gap:8px;min-height:28px;padding:5px 10px;border-radius:10px}.graph-timeline-collapsed-chip.is-streaming{border:1px solid rgba(95,164,255,.55);background:linear-gradient(120deg,#5fa4ff2e,#5fa4ff14);box-shadow:0 0 10px #5fa4ff38;animation:graph-timeline-live-glow 1.8s ease-in-out infinite}.graph-timeline-collapsed-chip.is-static{border:1px solid var(--color-border);background:#101620b3;box-shadow:inset 0 1px #ffffff08}.graph-timeline-collapsed-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.graph-timeline-collapsed-dot.is-streaming{background:#5fa4ff;box-shadow:0 0 8px #5fa4ffbf;animation:status-pulse 1.2s ease-in-out infinite}.graph-timeline-collapsed-dot.is-static{background:#4ade80;box-shadow:0 0 6px #4ade8073}.graph-timeline-collapsed-node{color:var(--color-text)}.graph-timeline-item{border:1px solid var(--color-border);border-radius:10px;background:#0a0d14b8;padding:8px 10px}.graph-timeline-row{display:flex;align-items:center;gap:8px}.graph-timeline-step{font-size:11px;color:var(--color-muted)}.graph-timeline-node{font-size:12px;font-weight:600;color:#d8e8ff}@keyframes graph-timeline-live-glow{0%,to{box-shadow:0 0 8px #5fa4ff29}50%{box-shadow:0 0 14px #5fa4ff52}}.graph-timeline-keys,.graph-timeline-meta{margin-top:4px;font-size:11px;color:var(--color-muted);white-space:pre-wrap;word-break:break-word}.chat-scroll-area{flex:1;min-height:0;display:flex}.message-list{flex:1;min-height:300px;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-right:6px;overscroll-behavior:contain}.message-row{display:flex}.message-row.user{justify-content:flex-end}.message-row.tool{justify-content:flex-start}.message-bubble{max-width:75%;padding:12px 14px;border-radius:16px;background:var(--color-surface-elevated);border:1px solid var(--color-border);box-shadow:0 12px 30px #05070c40}.message-bubble.user{background:var(--color-accent);color:#0b0d13;border-color:var(--color-accent);box-shadow:0 12px 30px #5fa4ff4d}.message-bubble.assistant.error{border-color:#ff7a7a8c;background:#54181f6b;box-shadow:0 10px 24px #af3c4a47}.message-bubble.tool{max-width:85%;background:#10141ed9}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.markdown-body{line-height:1.6}.markdown-body p{margin:.5em 0}.markdown-body ul,.markdown-body ol{margin:.5em 0;padding-left:2em}.markdown-image{max-width:100%;height:auto;border-radius:8px;margin:8px 0;display:block}.markdown-inline-code{background:#ffffff1a;padding:2px 6px;border-radius:4px;font-family:Monaco,Menlo,monospace;font-size:.9em}.markdown-code-block{background:#0000004d;padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.markdown-code-block code{font-family:Monaco,Menlo,monospace;font-size:.9em;line-height:1.5}.tool-block{margin-top:10px;border-radius:12px;border:1px solid var(--color-border);background:#0d1018b3;padding:10px 12px}.tool-block-header{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--color-muted)}.tool-block-body{margin-top:8px;font-size:12px;white-space:pre-wrap;word-wrap:break-word;word-break:break-word;overflow-wrap:break-word}.tool-block-media{margin-top:8px;display:grid;gap:8px}.tool-block-media img{width:100%;border-radius:8px;border:1px solid var(--color-border)}.loading-spinner{display:inline-block;width:12px;height:12px;margin-left:8px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:var(--color-text);animation:spinner-rotate .9s linear infinite;vertical-align:middle}@keyframes spinner-rotate{to{transform:rotate(360deg)}}.thinking-block{margin-bottom:8px;padding:8px 10px;border-radius:10px;background:#0f121ab3}.thinking-text{margin-top:6px;font-size:12px;color:var(--color-muted);white-space:pre-wrap}.message-todos{margin-bottom:12px;padding:10px 12px;border-radius:10px;background:#0f121a80;border:1px solid var(--color-border)}.message-todo-item{display:flex;align-items:flex-start;gap:8px;padding:4px 0;font-size:13px;line-height:1.5}.todo-status-icon{flex-shrink:0;width:16px;height:20px;display:flex;align-items:center;justify-content:center;font-weight:700}.message-todo-item.status-pending .todo-status-icon{color:var(--color-muted)}.message-todo-item.status-in_progress .todo-status-icon{color:#f59e0b;animation:spin 2s linear infinite}.message-todo-item.status-completed .todo-status-icon{color:#10b981}.message-todo-item.status-failed .todo-status-icon{color:#ef4444}@keyframes spin{to{transform:rotate(360deg)}}.todo-text{flex:1;color:var(--color-text)}.todo-text-completed{flex:1;color:var(--color-muted);text-decoration:line-through}.reference-strip{display:flex;gap:10px;padding:10px 0 0;overflow-x:auto;justify-content:flex-end;overscroll-behavior:contain}.reference-card{width:64px;height:64px;border-radius:10px;border:1px solid var(--color-border);background:var(--color-surface);overflow:hidden;display:flex;align-items:center;justify-content:center}.reference-card img{width:100%;height:100%;object-fit:cover}.reference-placeholder{font-size:10px;color:var(--color-muted);text-align:center;padding:6px}.chat-runtime-hint{border:1px solid rgba(147,197,253,.32);background:#60a5fa1a;color:#dbeafe;border-radius:8px;padding:6px 9px;font-size:11px;line-height:1.35}.composer-shell{display:flex;flex-direction:column;gap:10px;position:relative}.composer-top-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;align-items:stretch;min-width:0}.composer-model-panel{min-width:0}.composer-model-meta{font-size:11px;color:var(--color-muted);min-height:16px;padding-left:2px}.composer-tools-panel{position:relative;min-width:0;display:flex}.composer-tools-panel.open .composer-tools-summary{border-color:#5fa4ffbf}.composer-model-select,.composer-tools-summary{appearance:none;-webkit-appearance:none;width:100%;min-height:42px;padding:10px 12px;font-size:13px;color:var(--color-text);border:1px solid var(--color-border);border-radius:12px;background:linear-gradient(180deg,var(--composer-control-bg-start),var(--composer-control-bg-end));box-shadow:inset 0 1px #ffffff0a}.composer-model-select:focus,.composer-tools-summary:focus{outline:none;border-color:#5fa4ffbf;box-shadow:0 0 0 3px #5fa4ff29}.composer-tools-summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;text-align:left}.composer-tools-summary::-webkit-details-marker{display:none}.composer-tools-title{color:var(--color-text);font-weight:500}.composer-tools-meta{color:var(--color-muted);font-size:11px}.composer-tools-meta.error{color:#fca5a5}.composer-tools-body{position:absolute;left:50%;transform:translate(-50%);bottom:calc(100% + 8px);width:min(520px,calc(100vw - 56px));border:1px solid var(--color-border);border-radius:12px;background:var(--composer-tools-bg);box-shadow:var(--composer-tools-shadow);padding:10px 12px;max-height:220px;overflow-y:auto;z-index:30}.composer-tools-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:12px}.composer-tools-item{margin:0}.composer-tools-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;-webkit-user-select:none;user-select:none}.composer-tools-toggle input{margin:0}.composer-tools-toggle span{color:var(--color-text);overflow-wrap:anywhere}.composer-tools-empty{font-size:12px}.composer-input-panel{position:relative;min-height:70px;border-radius:16px;border:1px solid var(--color-border);background:linear-gradient(180deg,var(--composer-input-bg-start),var(--composer-input-bg-end));padding:10px 44px 38px 42px;display:flex;flex-direction:column;gap:8px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.composer-input-panel:focus-within{border-color:#5fa4ffbf;box-shadow:0 0 0 3px #5fa4ff29}.composer-input-panel.drag-active{border-color:#5fa4ffe0;background:linear-gradient(180deg,var(--composer-input-drag-bg-start),var(--composer-input-drag-bg-end))}.composer-input-panel.has-images{min-height:142px}.composer-inline-attachments{display:flex;align-items:flex-start;gap:8px;flex-wrap:wrap;max-height:86px;overflow-y:auto;padding-right:2px}.composer-inline-attachment{position:relative;width:68px;height:68px;border-radius:10px;border:1px solid var(--color-border);background:#0e1421f2;overflow:hidden}.composer-inline-attachment img{width:100%;height:100%;object-fit:cover}.composer-inline-file{position:absolute;left:4px;bottom:4px;max-width:calc(100% - 8px);border-radius:6px;background:#05090fc7;color:#dce6f8;font-size:10px;line-height:1.2;padding:2px 5px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.composer-inline-remove{position:absolute;top:3px;right:3px;width:16px;height:16px;border-radius:50%;border:1px solid rgba(255,255,255,.28);background:#060a10d1;color:#f5f8ff;font-size:10px;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer}.composer-inline-remove:hover{background:#111b2af2}.composer-prompt-popover{position:absolute;left:0;right:0;bottom:calc(100% + 8px);border:1px solid var(--composer-prompt-border);border-radius:12px;background:linear-gradient(180deg,var(--composer-prompt-bg-start),var(--composer-prompt-bg-end));box-shadow:var(--composer-prompt-shadow);overflow:hidden;z-index:20}.composer-prompt-option{display:block;width:100%;border:none;background:transparent;color:var(--color-text);text-align:left;padding:9px 12px;font-size:12px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.composer-prompt-option:hover:not(:disabled){background:#5fa4ff29}.composer-prompt-option:disabled{opacity:.55;cursor:not-allowed}.composer-prompt-option+.composer-prompt-option{border-top:1px solid var(--composer-prompt-divider)}.composer-input{width:100%;min-height:26px;max-height:180px;border:none;background:transparent;color:var(--color-text);padding:0;resize:none;line-height:1.45;box-shadow:none}.composer-plus-btn{position:absolute;left:10px;bottom:8px;width:26px;height:26px;border-radius:8px;border:1px solid var(--composer-plus-border);background:var(--composer-plus-bg);color:var(--color-text);font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0}.composer-plus-btn:hover:not(:disabled){background:var(--composer-plus-hover-bg)}.composer-plus-btn:disabled{opacity:.45}.composer-send-fab{position:absolute;right:10px;bottom:8px;width:30px;height:30px;border-radius:50%;border:1px solid rgba(95,164,255,.75);background:linear-gradient(180deg,#74b1ff,#5c9bf0);color:#051225;font-size:16px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;padding:0}.composer-send-fab.stop{border-color:#ffffff3d;background:linear-gradient(180deg,#303f5c,#27334c);color:#e7eefc;font-size:12px}.composer-send-fab:disabled{opacity:.45}.composer-attachment-count{position:absolute;right:48px;bottom:13px;font-size:11px;color:var(--color-muted);white-space:nowrap}.panel{background:var(--color-surface);border:1px solid var(--color-border);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:0 14px 40px #06090f4d}.panel-header{display:flex;justify-content:space-between;align-items:center}.panel-title{font-weight:600}.panel-subtitle{font-size:12px;color:var(--color-muted)}.scene-tab{display:flex;flex-direction:column;flex:1;min-height:0;gap:12px;overflow:hidden}.scene-pane{display:flex;flex-direction:column;flex:1;min-height:0}.scene-action-bar{border:1px solid var(--color-border);border-radius:14px;background:var(--color-surface);padding:10px 12px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.scene-actions-left,.scene-actions-right{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.scene-action-error{border:1px solid rgba(248,113,113,.5);background:#f871711f;color:#fecaca;border-radius:12px;padding:8px 10px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}.scene-renders-panel{border:1px solid var(--color-border);border-radius:14px;background:var(--color-surface);padding:12px;display:flex;flex-direction:column;gap:10px;flex-shrink:0}.scene-renders-panel.has-renders{min-height:170px;max-height:clamp(170px,30vh,340px)}.scene-renders-panel.is-empty{min-height:auto}.scene-renders-panel.is-empty .muted{margin:0}.render-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:6px;padding-bottom:4px}.render-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start}.render-card{background:var(--color-surface-elevated);border-radius:12px;padding:8px;border:1px solid var(--color-border);display:flex;flex-direction:column;gap:6px}.render-title{font-size:12px;color:var(--color-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.render-image-frame{width:100%;aspect-ratio:16 / 9;display:grid;place-items:center;border-radius:8px;background:#0c0e14d9;overflow:hidden}.render-card img{width:100%;height:100%;object-fit:contain}.scene-core-shell{flex:1;display:flex;min-height:0;overflow:hidden}.scene-core{flex:1;height:100%;min-height:0;display:grid;grid-template-columns:minmax(0,80%) minmax(0,20%);gap:12px;overflow:hidden}.scene-core.objects-collapsed{grid-template-columns:minmax(0,1fr)}.scene-core-viewport{height:100%;min-height:0;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);padding:10px;display:flex;overflow:hidden}.scene-objects-panel{height:100%;min-height:0;border:1px solid var(--color-border);border-radius:16px;background:var(--color-surface);padding:10px;display:flex;flex-direction:column;gap:8px;overflow:hidden}.scene-objects-panel.collapsed{padding:8px 6px}.scene-objects-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.scene-objects-panel.collapsed .panel-title{display:none}.scene-objects-panel.collapsed .scene-objects-header{justify-content:center}.scene-objects-toggle{padding:0;min-width:32px;width:32px;height:32px;border-radius:999px;border-color:#ffffff24;background:linear-gradient(180deg,#ffffff0f,#ffffff05);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .16s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease}.scene-objects-toggle:hover{border-color:#5fa4ffa6;background:#5fa4ff1f;box-shadow:0 6px 16px #5fa4ff3d}.scene-objects-toggle:active{transform:translateY(0) scale(.96)}.scene-objects-toggle:focus-visible{outline:none;box-shadow:0 0 0 2px #5fa4ff6b}.scene-objects-toggle-icon{font-size:14px;line-height:1;font-weight:700;transition:transform .2s ease}.scene-objects-toggle-icon.expanded{transform:rotate(180deg)}.scene-object-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding-right:4px}.scene-tree{display:flex;flex-direction:column;gap:2px}.scene-tree-node{display:flex;flex-direction:column}.scene-tree-row{min-height:28px;display:flex;align-items:center;gap:6px;border-radius:8px}.scene-tree-row:hover{background:#ffffff0a}.scene-tree-toggle{width:18px;height:18px;border-radius:4px;border:1px solid var(--color-border);background:var(--color-surface-elevated);color:var(--color-muted);font-size:11px;line-height:1;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer}.scene-tree-toggle.empty{background:transparent;border-color:transparent;cursor:default}.scene-tree-label{display:inline-flex;align-items:baseline;gap:6px;min-width:0}.scene-tree-name{font-size:12px;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:110px}.scene-tree-type{font-size:11px;color:var(--color-muted)}.viewer-shell{display:flex;flex-direction:column;gap:8px;flex:1;min-height:0}.viewer-header{display:flex;justify-content:space-between;align-items:center;gap:10px}.viewer-header-right{display:flex;align-items:center;gap:8px}.viewer-header-right .dropdown-menu{left:auto;right:0}.viewer-fullscreen-btn{padding:7px 10px}.viewer-show-hier-btn{padding:7px 10px;font-weight:600}.viewer{position:relative;flex:1;min-height:0;border-radius:14px;overflow:hidden;border:1px solid var(--color-border);background:var(--color-surface-elevated)}.viewer.viewport-dark{background:radial-gradient(circle at 20% 20%,rgba(95,164,255,.08),transparent 55%),#0c0e14e6}.viewer.viewport-light{background:radial-gradient(circle at 20% 20%,rgba(53,120,229,.1),transparent 55%),#edf3fb}.viewer-canvas{width:100%;height:100%}.viewer-canvas canvas{width:100%!important;height:100%!important;display:block}.viewer-placeholder{position:absolute;inset:0;display:grid;place-items:center;color:var(--color-muted);z-index:1;background:#0a0c12a6;font-size:13px}.viewer.viewport-light .viewer-placeholder{background:#f3f7fcb8}.scene-fullscreen-overlay{position:fixed;inset:0;z-index:60;background:#070a0fd1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:stretch;justify-content:stretch;padding:20px}.scene-fullscreen-modal{width:100%;height:100%;border:1px solid var(--color-border);border-radius:18px;background:var(--color-surface);padding:14px;box-shadow:0 24px 60px #05080e8c}.settings-panel{display:grid;gap:20px;max-width:640px}.field{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--color-muted)}.checkbox-field{flex-direction:row;align-items:center;justify-content:space-between}.field input{padding:10px 12px;background:var(--color-surface-elevated);color:var(--color-text)}.field input[type=checkbox]{width:16px;height:16px;padding:0;margin:0}.theme-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.theme-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface-elevated);color:var(--color-text);cursor:pointer;transition:border-color .2s ease,transform .2s ease}.theme-card.active{border-color:var(--color-accent)}.theme-card:hover{transform:translateY(-1px)}.viewport-theme-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.viewport-theme-card{display:flex;flex-direction:column;align-items:flex-start;gap:3px;padding:10px 12px;border-radius:12px;border:1px solid var(--color-border);background:var(--color-surface-elevated);color:var(--color-text);cursor:pointer;transition:border-color .2s ease,transform .2s ease,background .2s ease}.viewport-theme-card:hover{transform:translateY(-1px)}.viewport-theme-card.active{border-color:var(--color-accent);box-shadow:inset 0 0 0 1px #5fa4ff33}.viewport-theme-title{font-size:12px;font-weight:600;line-height:1.2}.viewport-theme-meta{font-size:11px;color:var(--color-muted);line-height:1.25}.theme-swatch{width:18px;height:18px;border-radius:50%;border:1px solid var(--color-border)}.theme-swatch.dark{background:#1b2130}.theme-swatch.light{background:#e8eef6}.muted{color:var(--color-muted);font-size:13px}.empty-state{padding:40px;border-radius:16px;border:1px dashed var(--color-border);color:var(--color-muted)}@media(max-width:1300px){.composer-top-row{grid-template-columns:minmax(210px,40%) minmax(0,60%)}.scene-core{grid-template-columns:minmax(0,80%) minmax(0,20%)}}@media(max-width:1100px){.workspace{grid-template-columns:1fr}.workspace.is-empty{display:flex}.workspace-chat{border-right:none;border-bottom:1px solid var(--color-border);padding-right:0;padding-bottom:10px}.composer-top-row{grid-template-columns:1fr 1fr}.scene-core,.scene-core.objects-collapsed{grid-template-columns:1fr}.scene-objects-panel.collapsed .panel-title{display:block}.scene-objects-panel.collapsed .scene-objects-header{justify-content:space-between}}@media(max-width:740px){.viewport-theme-options{grid-template-columns:1fr}}@media(max-width:760px){.sidebar{width:270px;padding:16px}.workspace{padding:14px;gap:12px}.workspace-empty{padding:4px}.workspace-empty-card{min-height:220px;padding:24px 18px;gap:10px}.workspace-empty-title{font-size:clamp(22px,8vw,30px)}.workspace-empty-subtitle{font-size:13px}.scene-action-bar{flex-direction:column;align-items:flex-start}.scene-actions-left,.scene-actions-right{width:100%}.scene-actions-right{justify-content:space-between}.render-grid,.composer-top-row{grid-template-columns:1fr}.scene-fullscreen-overlay,.scene-fullscreen-modal{padding:8px}}
