:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#262626;background:#fff;font-synthesis:none;--ink:#252525;--muted:#848484;--line:#e8e8e8;--accent:#a55940;--soft:#f4f4f4}
*{box-sizing:border-box}body{margin:0;height:100dvh;overflow:hidden}button,a,textarea{-webkit-tap-highlight-color:transparent}button,textarea{font:inherit}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.35}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}a{color:inherit;text-decoration:none}button{background:none;border:0}svg{display:block;width:20px;height:20px;flex-shrink:0}button svg{pointer-events:none}[hidden]{display:none!important}
.app-header{height:64px;display:flex;align-items:center;border-bottom:1px solid var(--line);padding:0 26px;gap:22px;background:#fff}.brand{display:flex;align-items:center;gap:11px}.brand strong{font-size:23px;letter-spacing:2px;font-weight:650}.brand-product{font-size:13px;margin-left:9px;color:#747474}.brand-mark{display:flex;gap:3px;height:24px;align-items:center;transform:skewY(-18deg)}.brand-mark i{background:#2d2d2d;width:6px;height:19px;border-radius:1px}.brand-mark i:nth-child(2){height:26px}.brand-mark i:nth-child(3){height:14px}.project{display:flex;gap:18px;align-items:center;font-size:13px}.project-divider{height:19px;width:1px;background:var(--line)}.project-note{color:var(--muted);font-size:11px}.header-actions{margin-left:auto;display:flex;gap:23px;align-items:center}.text-button{display:flex;align-items:center;gap:8px;font-size:12px;padding:8px}.text-button svg{width:17px;height:17px}.reference-link svg{width:18px;height:18px;color:#787878}.avatar{display:grid;place-items:center;background:#ebebeb;border:3px solid #f5f5f5;width:33px;height:33px;border-radius:50%;font-size:12px;color:#666666}
.workspace{display:grid;grid-template-columns:356px minmax(0,1fr);height:calc(100dvh - 64px)}.conversation{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line);background:#fff}.agent-heading{display:flex;align-items:center;justify-content:space-between;padding:24px 22px 20px}.agent-identity{display:flex;gap:11px;align-items:center}.agent-logo{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:#efefef;color:#4a4a4a}.agent-logo svg{width:23px;height:23px}.agent-heading h1{font-size:14px;line-height:1.5;font-weight:600;margin:0}.agent-heading p{font-size:10px;color:var(--muted);margin:4px 0 0}.icon-button{display:grid;place-items:center;width:32px;height:32px;border-radius:7px}.icon-button:hover:not(:disabled){background:#ebebeb}.icon-button svg{width:18px;height:18px}.agent-heading>.icon-button{color:#939393}.conversation-body{flex:1;overflow-y:auto;padding:0 23px 22px;scrollbar-width:thin;scrollbar-color:#dfdfdf transparent}.conversation-date{text-align:center;font-size:10px;color:#9f9f9f;padding:9px 0 24px}.message{font-size:13px;line-height:1.85;white-space:pre-line;margin:0 0 24px;overflow-wrap:anywhere}.message .message-label{font-size:10px;color:#909090;margin-bottom:8px;display:flex;align-items:center;gap:6px}.message .message-label svg{width:13px;height:13px}.message.user{background:#f1f1f1;padding:12px 15px;border-radius:13px 13px 3px 13px;margin-left:25px}.message.user .message-label{display:none}.message p{margin:0}.plan-card{background:#fafafa;border:1px solid #e4e4e4;border-radius:12px;margin:0 0 24px;padding:17px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:9px}.card-heading strong{font-size:12px}.card-heading small{font-size:10px;color:#858585}.plan-card p{font-size:11px;line-height:1.8;color:#818181;margin:8px 0 15px}.mini-rooms{display:flex;gap:5px;flex-wrap:wrap}.mini-rooms span{padding:4px 7px;background:#ededed;border-radius:4px;font-size:10px;color:#6b6b6b}.primary{background:#282828;color:#fff;border-radius:7px;padding:12px 15px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:12px;line-height:1.3;transition:background .15s}.primary:hover:not(:disabled){background:#464646}.primary svg{width:16px;height:16px}.wide{width:100%}.text-muted{font-size:11px;color:#8d8d8d;line-height:1.7}.approval-note{margin:10px 0 0;text-align:center}.proposal-card{border:1px solid #dbc9bc;border-radius:12px;padding:17px;margin:0 0 21px;background:#fdfbf8}.proposal-card .proposal-label{color:var(--accent);font-size:10px;display:flex;gap:6px;align-items:center;margin-bottom:10px}.proposal-label svg{width:14px;height:14px}.proposal-card h2{font-size:13px;font-weight:600;margin:0 0 12px}.changes{margin:0 0 15px;padding:0;list-style:none}.changes li{padding:8px 0;border-bottom:1px solid #eee6dd;font-size:12px;color:#7f7369;line-height:1.6}.proposal-actions{display:flex;align-items:center;gap:12px}.proposal-actions .primary{flex:1}.proposal-actions .cancel{font-size:11px;color:#818181;padding:8px}.composer-area{padding:14px 18px 10px;border-top:1px solid #f2f2f2}.quick-prompts{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:11px}.quick-prompts button{border:1px solid #e5e5e5;border-radius:6px;font-size:10px;padding:7px 9px;color:#6d6d6d;line-height:1.3}.quick-prompts button:hover{background:#f3f3f3}.composer{border:1px solid #dedede;border-radius:13px;padding:12px 13px 9px;box-shadow:0 2px 7px #21212105}.composer:focus-within{border-color:#8b8b8b;box-shadow:0 0 0 2px #e9e9e9}.composer-context{font-size:10px;display:flex;gap:6px;align-items:center;color:#898989}.composer-context svg{width:12px;height:12px}.composer-context strong{font-weight:500;color:#686868}.composer textarea{display:block;width:100%;background:transparent;border:0;resize:none;outline:0;min-height:64px;max-height:145px;font-size:13px;line-height:1.7;margin:11px 0 4px;color:#333333;padding:0}.composer textarea:focus-visible{outline:0}.composer textarea::placeholder{color:#aaaaaa}.composer-bottom{display:flex;justify-content:space-between;align-items:center}.example-button{display:flex;gap:6px;align-items:center;font-size:10px;color:#8b8b8b;padding:4px 0}.example-button svg{width:14px;height:14px}.send-button{width:32px;height:32px;border-radius:8px;background:#292929;color:white;display:grid;place-items:center}.send-button:disabled{background:#e4e4e4;color:#9e9e9e;opacity:1}.send-button svg{width:18px;height:18px}.preview-note{font-size:9px;color:#a0a0a0;text-align:center;margin:10px 0 0}
.design-space{position:relative;min-width:0;display:flex;flex-direction:column;background:#f7f7f7;overflow:hidden}.canvas-toolbar{height:62px;flex-shrink:0;padding:0 25px;display:flex;align-items:center;gap:20px;background:#fff;border-bottom:1px solid var(--line)}.stage-title{font-size:12px;display:flex;align-items:center;gap:10px}.version{font-size:9px;color:#888888;border:1px solid #e1e1e1;border-radius:4px;padding:2px 5px;font-variant-numeric:tabular-nums}.view-switch{display:flex;align-items:center;gap:2px;background:#f2f2f2;border-radius:8px;padding:4px;margin-left:auto}.view-switch button{display:flex;align-items:center;justify-content:center;gap:6px;padding:7px 15px;font-size:11px;border-radius:5px;color:#898989}.view-switch button svg{width:15px;height:15px}.view-switch button[aria-pressed=true]{background:#fff;color:#363636;box-shadow:0 1px 3px #1717170d}.canvas-actions{display:flex;gap:5px}.canvas-actions .icon-button{color:#6b6b6b}.stage{position:relative;flex:1;min-height:0;overflow:hidden;background:radial-gradient(#dedede .65px,transparent .65px);background-size:20px 20px}.stage-label{position:absolute;left:28px;top:24px;z-index:1;display:flex;flex-direction:column;pointer-events:none;gap:6px;font-size:11px;color:#5e5e5e}.stage-label small{font-size:9px;color:#999999}.plan-host{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:68px 50px 72px}.plan-host>svg{width:100%;height:100%;max-width:900px;max-height:670px;overflow:visible;transition:transform .25s;filter:drop-shadow(0 12px 20px #63636310)}.plan-room{cursor:pointer;outline:0}.plan-room:hover .room-focus,.plan-room:focus-visible .room-focus{opacity:1}.room-focus{fill:#b8834a09;stroke:#af7e57;stroke-width:2;opacity:0}.plan-room[aria-pressed=true] .room-focus{opacity:1;fill:#c690560d}.plan-label{font-family:inherit;fill:#535353;font-size:13px;pointer-events:none}.plan-area{font-family:inherit;fill:#9a9a9a;font-size:9px;pointer-events:none}.model-host{position:absolute;inset:0}.model-host canvas{display:block;width:100%;height:100%;touch-action:none}.scene-status{position:absolute;inset:30% 15%;display:grid;place-items:center;text-align:center;font-size:14px;color:#777777;pointer-events:none}.camera-modes{position:absolute;right:23px;top:24px;z-index:1;display:flex;gap:2px;background:#ffffffed;border:1px solid #e2e2e2;border-radius:7px;padding:3px}.camera-modes button{font-size:10px;padding:6px 10px;border-radius:4px;color:#8a8a8a}.camera-modes button[aria-pressed=true]{background:#ececec;color:#525252}.viewport-tools{position:absolute;left:25px;bottom:22px;display:flex;align-items:center;padding:3px;background:#fff;border:1px solid #e3e3e3;border-radius:8px;z-index:1;box-shadow:0 2px 5px #4b4b4b05}.viewport-tools .icon-button{width:27px;height:27px;color:#7f7f7f}.viewport-tools .icon-button svg{width:14px;height:14px}.zoom-value{font-size:9px;color:#808080;padding:7px 10px}.canvas-hint{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);display:flex;align-items:center;gap:7px;color:#a0a0a0;font-size:10px;white-space:nowrap;pointer-events:none}.canvas-hint svg{width:13px;height:13px}.north{position:absolute;right:29px;bottom:23px;color:#929292;font-size:10px;text-align:center;line-height:1}.north svg{width:25px;height:30px}.room-dock{height:100px;flex-shrink:0;background:#fff;border-top:1px solid var(--line);display:flex;align-items:center;padding:14px 25px;gap:25px}.room-dock-heading{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#737373;white-space:nowrap}.room-dock-heading small{font-size:9px;color:#a1a1a1}.room-list{display:flex;gap:9px;min-width:0;overflow-x:auto;scrollbar-width:thin}.room-button{display:flex;align-items:center;gap:10px;min-width:94px;height:58px;padding:10px 13px;background:#f7f7f7;border:1px solid transparent;border-radius:9px;text-align:left;color:#8b8b8b}.room-button[aria-pressed=true]{border-color:#adadad;background:#efefef;color:#515151}.room-button:hover{background:#efefef}.room-button svg{width:23px;height:23px}.room-button strong{font-size:11px;font-weight:500;display:block}.room-button small{display:block;font-size:8px;color:#9f9f9f;margin-top:5px;font-variant-numeric:tabular-nums}.material-toggle{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:11px;white-space:nowrap}.material-toggle svg{width:12px;height:12px;color:#868686}.material-swatch{width:20px;height:20px;display:block;border-radius:50%;background:repeating-linear-gradient(92deg,#d8c3a4,#d8c3a4 3px,#c9b38f 4px,#e0cbaa 7px);border:2px solid #fff;box-shadow:0 0 0 1px #dedccf}.material-panel{position:absolute;right:23px;bottom:110px;background:#fff;width:290px;padding:21px;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 12px 45px #4e4e4e1c;z-index:2}.material-panel strong{font-size:13px}.material-panel p{font-size:10px;color:#a0a0a0;line-height:1.7}.material-options{display:flex;gap:14px;margin-top:16px}.material-options button{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:10px;color:#818181}.material-options i{width:60px;height:60px;border-radius:7px;border:3px solid #fff;box-shadow:0 0 0 1px #dfdfdf;display:block}.material-options button[aria-pressed=true] i{box-shadow:0 0 0 2px #888888}.oak{background:repeating-linear-gradient(92deg,#d8c3a4,#d8c3a4 6px,#c9b38f 8px,#e0cbaa 13px)}.walnut{background:repeating-linear-gradient(92deg,#77523b,#77523b 6px,#67412c 8px,#866249 13px)}.stone{background:linear-gradient(133deg,#e8e6e0,#f5f3ed 40%,#dddcd4 41%,#f2f0e9 45%,#eeede5)}
dialog{width:460px;max-width:calc(100vw - 36px);border:1px solid #dfdfdf;border-radius:16px;padding:25px 28px;box-shadow:0 20px 80px #1d1d1d2b;color:#333333}dialog::backdrop{background:#16161638;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:17px}.dialog-header h2{font-size:17px;font-weight:550;margin:0}#modal-content{font-size:13px;line-height:1.9;color:#828282}#modal-content p{margin:12px 0}#modal-content ul{padding-left:20px}.history-row{padding:14px 0;border-bottom:1px solid #e6e6e6;display:flex;justify-content:space-between;gap:12px;font-size:12px}.toast{position:fixed;bottom:128px;left:calc(50% + 140px);transform:translateX(-50%);max-width:min(500px,85vw);background:#2e2e2e;color:#fff;padding:11px 18px;border-radius:8px;font-size:12px;box-shadow:0 6px 25px #33333326;z-index:4}.message,.proposal-card,.plan-card{animation:appear .18s ease-out}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(min-width:1550px){.workspace{grid-template-columns:380px minmax(0,1fr)}.conversation-body{padding:0 28px 25px}.agent-heading{padding:28px}.message{font-size:14px}.composer-area{padding:16px 24px 12px}.plan-host{padding:65px 70px 75px}.room-button{min-width:112px}.room-dock{gap:30px}}
@media(max-width:1150px){.workspace{grid-template-columns:320px minmax(0,1fr)}.canvas-toolbar{padding:0 18px;gap:10px}.canvas-hint{display:none}.room-dock{padding:12px 17px;gap:15px}.room-dock-heading{display:none}.room-button{min-width:78px;padding:9px;gap:7px}.room-button svg{width:19px;height:19px}.room-list{gap:6px}.view-switch button{padding:7px 10px}.project-note{display:none}.plan-host{padding:70px 30px 65px}}
@media(max-width:850px){.workspace{grid-template-columns:290px minmax(0,1fr)}.conversation-body{padding:0 18px 18px}.agent-heading{padding:20px 17px}.stage-title{display:none}.view-switch{margin-left:0;margin-right:auto}.room-button{flex-direction:column;gap:4px;min-width:53px;height:60px;justify-content:center;padding:5px}.room-button small{display:none}.material-toggle>span:nth-child(2){display:none}.room-dock{gap:9px;padding:10px}.room-button strong{font-size:9px}.material-toggle{gap:4px}.plan-host{padding:75px 20px}.stage-label{left:20px}.app-header{padding:0 20px}.header-actions{gap:13px}.brand-product{display:none}.project{gap:12px}.plan-label{font-size:14px}}
@media(max-width:650px){body{overflow:auto;height:auto}.app-header{height:57px;padding:0 16px;gap:14px}.brand strong{font-size:20px}.brand-mark{transform:scale(.8) skewY(-18deg)}.project{font-size:11px}.header-actions{gap:8px}.header-actions .text-button span:last-child,.reference-link,.avatar{display:none}.workspace{display:flex;flex-direction:column;height:auto;min-height:calc(100dvh - 57px)}.design-space{order:0;height:53dvh;min-height:350px;border-bottom:1px solid var(--line)}.conversation{order:1;min-height:440px;max-height:62dvh;border-right:0}.canvas-toolbar{height:49px}.room-dock{height:73px;justify-content:center}.room-button{height:52px;min-width:56px}.material-toggle{margin-left:5px}.stage-label{left:17px;top:17px;font-size:10px}.stage-label small{font-size:8px}.plan-host{padding:44px 45px 44px}.north{right:14px;bottom:12px}.north svg{height:23px}.viewport-tools{bottom:12px;left:14px;padding:1px}.viewport-tools .icon-button{height:22px;width:23px}.zoom-value{font-size:8px}.camera-modes{top:14px;right:14px}.agent-heading{padding:17px 20px 12px}.conversation-date{display:none}.message{margin-bottom:16px}.conversation-body{padding:8px 23px 10px;min-height:155px}.composer-area{padding:11px 17px 10px}.composer textarea{min-height:42px}.quick-prompts{margin-bottom:8px}.preview-note{margin-top:7px}.material-panel{bottom:84px;right:12px}.toast{left:50%;bottom:25px}.plan-card{margin-bottom:14px}.proposal-card{margin-bottom:14px}.agent-heading p{font-size:9px}.scene-status{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Readability at editor scale: room names remain legible when fitting the plan. */
.plan-label{font-size:24px;fill:#454745}.plan-area{font-size:15px;fill:#888b85}.plan-host{padding:44px 32px 55px}.message{font-size:14px}.primary{font-size:13px}.quick-prompts button{font-size:11px}.composer textarea{font-size:14px}.stage-title{font-size:13px}.view-switch button{font-size:12px}.room-button strong{font-size:12px}.preview-note{font-size:10px}.composer-context{font-size:11px}.example-button{font-size:11px}
@media(max-width:650px){.plan-host{padding:34px 30px 34px}.message{font-size:13px}.room-button strong{font-size:10px}.preview-note{font-size:9px}.primary{font-size:12px}}

.plan-card p{font-size:12px;color:#777}.message .message-label{font-size:11px;color:#777}.composer-context,.example-button{color:#777}.preview-note{color:#777}.room-button small{font-size:9px;color:#777}.stage-label small,.project-note{color:#777}.text-muted{color:#777}
.home-link{font-size:12px;color:#727272;padding:8px 0}.platform-link{border:1px solid var(--line);border-radius:7px;padding:8px 11px}.platform-link:hover{background:var(--soft)}.session-warning{font-size:11px;line-height:1.6;color:#93462e;background:#fff3ee;border-radius:6px;padding:8px;margin:8px 0 0}
@media(max-width:650px){.header-actions .platform-link span:last-child{display:inline}.header-actions{gap:7px}.platform-link{padding:7px 8px;font-size:11px}.project{display:flex;gap:8px}.home-link{font-size:11px}}

/* Brand only: retain the approved workspace composition. */
.eosia-mark{width:30px;height:30px;fill:none;stroke:#b56c50;stroke-width:1.2}.brand strong{font-family:Georgia,serif;font-size:23px;font-weight:400}