@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Serif+KR:wght@400;500&display=swap');
:root{--paper:#faf9f5;--cream:#f1efe7;--ink:#303c35;--muted:#868c80;--green:#526955;--line:#e4e6dd;--accent:#9eae8c;--serif:'Noto Serif KR',Georgia,serif;--sans:'DM Sans','Apple SD Gothic Neo',system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);font:13px/1.6 var(--sans);background:var(--paper);overflow:hidden}button,input,select{font:inherit}button{cursor:pointer;color:inherit;background:white;border:1px solid var(--line);border-radius:7px;transition:background .15s,border-color .15s}button:hover{background:#f0f2eb;border-color:#a7b49d}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #79926c;outline-offset:3px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}input[type=number],select{width:100%;padding:9px;border:1px solid var(--line);background:#fff;border-radius:6px;color:var(--ink);min-width:0}input[type=color]{appearance:none;-webkit-appearance:none;width:38px;height:30px;border:1px solid var(--line);background:none;border-radius:5px;padding:3px;cursor:pointer}input[type=checkbox]{accent-color:var(--green)}.primary{background:var(--green);border-color:var(--green);color:white}.primary:hover{background:#425846;color:white}.studio-header{height:76px;display:flex;align-items:center;gap:28px;padding:0 26px;border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:20}.brand{font-weight:700;font-size:16px;letter-spacing:-.04em;line-height:1.3;min-width:164px}.brand span{display:block;font-size:8px;letter-spacing:.24em;margin-top:4px;color:var(--muted)}.project-heading{display:flex;align-items:center;gap:9px;flex:1;min-width:0}.project-dot,.tiny-dot{width:6px;height:6px;background:#849a70;border-radius:50%;display:inline-block;flex-shrink:0}.project-heading input{background:none;border:0;outline:none;width:176px;max-width:100%;font-size:12px;font-weight:500;color:var(--ink);text-overflow:ellipsis}.project-heading input:focus{border-bottom:1px solid var(--accent)}#saveStatus{font-size:9px;color:var(--muted);white-space:nowrap}.header-actions{display:flex;align-items:center;gap:7px}.header-actions button{padding:8px 12px;font-size:11px;white-space:nowrap}.header-actions #undo,.header-actions #redo{border-color:transparent;background:none;font-size:22px;padding:0 6px;line-height:1.4}.action-divider{height:21px;width:1px;background:var(--line);margin:0 7px}.header-actions .primary{margin-left:4px}.header-actions .primary span{margin-left:12px}.studio-shell{display:grid;grid-template-columns:270px minmax(300px,1fr) 254px;height:calc(100dvh - 76px);min-height:0}.library{background:var(--paper);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;overflow:hidden}.library-title{padding:29px 22px 20px}.library-title>span,.inspector-heading>span,.canvas-heading>div>span{font-size:8px;color:var(--muted);letter-spacing:.19em}.library-title h1{font-family:var(--serif);font-size:20px;font-weight:400;letter-spacing:-.07em;margin:9px 0 0}.tool-tabs{display:flex;border-bottom:1px solid var(--line);padding:0 15px;gap:10px;flex-shrink:0}.tool-tabs button{flex:1;border:0;background:none;border-radius:0;padding:12px 5px;font-size:12px;position:relative;color:var(--muted)}.tool-tabs button.active{color:var(--green);font-weight:700}.tool-tabs button.active:after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--green)}.mobile-selection{display:none}.tool-panel{overflow-y:auto;padding:20px;flex:1;min-height:0;scrollbar-width:thin;scrollbar-color:#d2d7ca transparent}.category-list{display:flex;flex-wrap:wrap;gap:5px}.category-list button{font-size:10px;border-radius:20px;padding:5px 10px;background:none}.category-list button.active{background:var(--green);border-color:var(--green);color:white}.section-hint{font-size:10px;color:var(--muted);margin:14px 0;line-height:1.8}.furniture-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.furniture-card{border:1px solid transparent;padding:0 0 11px;position:relative;background:#f2f1ea;overflow:hidden;text-align:left;border-radius:9px}.furniture-card:hover{border-color:#a9b99f;background:#edf0e6}.furniture-card img{width:100%;height:90px;object-fit:contain;display:block}.furniture-card strong{font-size:10px;font-weight:500;display:block;padding:0 9px}.furniture-card small{font-size:8px;color:var(--muted);display:block;padding:1px 9px 0}.furniture-card .add-icon{position:absolute;top:6px;right:8px;font-size:16px;color:#9ba492}.library-footer{padding:16px 20px;border-top:1px solid var(--line);font-size:9px;color:var(--muted);display:flex;align-items:center;gap:8px}.workspace{background:#eeede5;position:relative;overflow:hidden;min-height:0;min-width:0}.canvas-heading{position:absolute;top:26px;left:28px;right:28px;display:flex;justify-content:space-between;align-items:start;pointer-events:none;z-index:2}.canvas-heading p{font-size:12px;margin:6px 0;color:#757f6e}.prototype-badge{font-size:7px;letter-spacing:.13em;border:1px solid #d7dcce;border-radius:3px;padding:3px 6px;color:#8a9581}.view-switch{position:absolute;top:96px;left:50%;transform:translateX(-50%);display:flex;gap:2px;border:1px solid #fff9;background:#fafbf6df;padding:4px;border-radius:9px;box-shadow:0 3px 16px #36473308;z-index:4;white-space:nowrap}.view-switch button{font-size:10px;padding:7px 12px;background:none;border-color:transparent}.view-switch button.active{background:var(--green);color:white}.view-switch button:hover:not(.active){background:#edf0e7}#viewport{width:100%;height:100%;position:relative;touch-action:none}#viewport canvas,#viewport svg{display:block;width:100%;height:100%;outline:none;touch-action:none}.workspace-bottom{position:absolute;bottom:53px;left:22px;right:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:4;pointer-events:none}.workspace-bottom>*{pointer-events:auto}.mode-switch{display:flex;background:#fafbf5e8;border:1px solid white;padding:4px;border-radius:9px;box-shadow:0 3px 12px #4857420a;white-space:nowrap}.mode-switch button{border:0;background:none;padding:8px 12px;font-size:10px}.mode-switch button.active{background:#e3e9db;color:#465c42}.scene-toggles{display:flex;align-items:center;gap:10px;font-size:9px;color:#75806a}.scene-toggles label{white-space:nowrap;display:flex;align-items:center;gap:4px}.scene-toggles button{border:0;background:#fafbf2b8;padding:8px;font-size:9px}.scene-toggles button[aria-pressed=true]{background:#dce5d4}.interaction-hint{position:absolute;bottom:17px;left:20px;right:20px;text-align:center;color:#7d8872;font-size:9px;pointer-events:none;letter-spacing:-.015em;margin:0}.inspector{padding:28px 20px;overflow:auto;border-left:1px solid var(--line);background:var(--paper);scrollbar-width:thin}.inspector-heading h2{font-family:var(--serif);font-size:18px;font-weight:400;margin:8px 0 22px;letter-spacing:-.06em}.empty-selection{text-align:center;padding:26px 12px;background:#f2f3eb;border-radius:8px;color:#86927b;font-size:11px;line-height:1.9}.empty-selection span{display:block;font-size:32px;color:#aab79b;margin-bottom:10px}.selection-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.selection-title h3{font-size:13px;margin:0;font-weight:600}.selection-title small{color:var(--muted);font-size:9px}.panel-group{padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid var(--line)}.panel-group h2{font-size:12px;font-weight:600;margin:0 0 18px;display:flex;justify-content:space-between}.panel-group h2 span{font-size:8px;font-weight:400;color:var(--muted);letter-spacing:.1em}label{font-size:10px;display:block;color:#7b8473;margin:12px 0 0}label input, label select{margin-top:5px}.dimension-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.dimension-grid label{margin:0}.dimension-grid input{font-size:11px}.wide-button{width:100%;font-size:11px;padding:9px;margin-top:12px;background:#edf1e6}.color-row{display:flex;align-items:center;justify-content:space-between}.color-row input{margin-top:0}.check-row{display:flex;align-items:center;gap:8px;font-size:11px}.check-row input{margin:0}.swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:14px}.swatch{height:35px;border:2px solid white;outline:1px solid var(--line);border-radius:5px}.swatch.active{outline:2px solid var(--green)}.floor-choices{display:grid;gap:7px}.floor-choice{display:flex;align-items:center;gap:10px;font-size:11px;text-align:left;padding:8px;background:none}.floor-choice.active{border-color:var(--green);background:#f0f3e9}.floor-sample{width:35px;height:30px;border-radius:3px;display:block}.floor-choice small{display:block;font-size:8px;color:var(--muted)}.fine-print{font-size:9px;line-height:1.9;color:var(--muted)}.template-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.template-buttons button{text-align:left;padding:13px 10px;font-size:11px;background:#f1f2ea}.template-buttons button span{display:block;font-size:8px;color:var(--muted);margin-top:5px}.object-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5px;margin:14px 0 19px}.object-actions button{padding:8px 2px;font-size:9px}.object-actions .danger{color:#a47064}.placed-heading{border-top:1px solid var(--line);margin-top:23px;padding-top:12px}.placed-heading h3{font-size:11px;display:flex;justify-content:space-between;font-weight:500}.placed-heading span{font-size:10px;color:var(--muted)}.object-list{display:grid;gap:3px}.object-row{display:flex;align-items:center;gap:9px;border:0;background:none;padding:8px 7px;text-align:left;font-size:10px}.object-row.active{background:#e9efdf}.object-row i{height:9px;width:9px;border-radius:3px;display:block;border:1px solid #0001}.object-row small{margin-left:auto;color:var(--muted);font-size:8px}.object-row.has-warning{color:#aa6d52}.inspector-note{margin-top:25px;background:#eff1e8;padding:15px;border-radius:7px;font-size:9px;color:#8a957b;line-height:1.8}.inspector-note strong{color:#718465;font-size:10px;font-weight:500}.warning-box{margin-top:16px;padding:13px;color:#96664c;background:#f7ede1;font-size:10px;border-radius:7px}.warning-box ul{padding-left:14px;margin-bottom:0}.loading,.webgl-error{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;background:#eeede5;text-align:center;padding:30px}.loading strong{font-family:var(--serif);font-size:17px;font-weight:400}.loading p{font-size:11px;color:var(--muted)}.loading-mark{height:32px;width:32px;border:1px solid #c3ceba;border-top-color:#5d7554;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:10px}.webgl-error h2{font-size:18px;font-weight:500}.webgl-error p{font-size:12px;color:var(--muted);max-width:280px}.webgl-error button{padding:10px 20px}.toast{position:absolute;left:50%;bottom:110px;transform:translateX(-50%);z-index:10;border-radius:8px;background:#344c38eb;color:white;box-shadow:0 8px 25px #0001;font-size:11px;padding:11px 18px;max-width:90%;text-align:center;width:max-content}.toast.error{background:#8b5c48f2}dialog{border:1px solid var(--line);border-radius:12px;padding:26px;max-width:calc(100% - 40px);color:var(--ink);background:var(--paper)}dialog::backdrop{background:#26332266;backdrop-filter:blur(4px)}dialog h2{font-size:18px;font-family:var(--serif);font-weight:400}dialog p{font-size:12px;color:var(--muted)}dialog form>div{display:flex;justify-content:end;gap:10px;margin-top:23px}dialog button{padding:9px 16px}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1250px){.studio-shell{grid-template-columns:245px minmax(300px,1fr) 220px}.studio-header{gap:18px;padding:0 20px}.brand{min-width:144px}#saveStatus{display:none}.header-actions button{font-size:10px;padding:8px 10px}.tool-panel{padding:15px}.library-title{padding-left:18px}.library-title h1{font-size:18px}.inspector{padding:25px 15px}.workspace-bottom{left:15px;right:15px;gap:7px}.scene-toggles{gap:3px}.scene-toggles button{font-size:8px;padding:7px 5px}.mode-switch button{padding:7px 9px}}
@media(max-width:1000px){.studio-shell{grid-template-columns:240px minmax(0,1fr)}.inspector{display:none}.mobile-selection{display:block}.project-heading input{width:150px}.header-actions .action-divider{display:none}.canvas-heading{left:22px}.tool-tabs{gap:4px}.tool-tabs button{font-size:11px}.mobile-object-list{margin-top:20px;border-top:1px solid var(--line);padding-top:10px}.mobile-warning{margin-top:15px}.selection-title{margin-top:0}}
@media(max-width:700px){body{position:fixed;inset:0}.studio-header{height:64px;padding:0 13px;gap:10px}.brand{font-size:13px;min-width:90px}.brand span{font-size:6px;letter-spacing:.12em}.project-heading{display:none}.header-actions{flex:1;justify-content:flex-end;gap:3px}.header-actions button{padding:7px 6px;font-size:9px}.header-actions #undo,.header-actions #redo{font-size:22px;padding:0 4px}.header-actions .primary{margin:0}.header-actions .primary span{display:none}.studio-shell{display:flex;flex-direction:column;height:calc(100dvh - 64px);height:calc(100% - 64px)}.workspace{order:0;flex:1;min-height:240px}.library{order:1;height:244px;max-height:43dvh;border-right:0;border-top:1px solid var(--line);flex-shrink:0}.library-title,.library-footer{display:none}.tool-tabs{padding:0 15px;gap:15px;height:43px}.tool-tabs button{padding:10px 5px;font-size:11px}.tool-panel{padding:12px 16px}.category-list{gap:5px;flex-wrap:nowrap;overflow:auto;scrollbar-width:none}.category-list button{font-size:9px;padding:4px 9px;white-space:nowrap}.section-hint{font-size:9px;margin:7px 0}.furniture-grid{display:flex;gap:8px;overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}.furniture-card{min-width:91px;max-width:91px;padding-bottom:8px}.furniture-card img{height:69px}.furniture-card strong{font-size:9px}.furniture-card small{font-size:7px}.canvas-heading{top:14px;left:17px;right:16px}.canvas-heading>div>span{font-size:6px}.canvas-heading p{font-size:10px;margin-top:3px}.prototype-badge{font-size:6px}.view-switch{top:63px;padding:3px}.view-switch button{padding:6px 10px;font-size:9px}.workspace-bottom{bottom:36px;left:12px;right:12px;gap:5px}.mode-switch{padding:3px}.mode-switch button{padding:6px 8px;font-size:9px}.scene-toggles{font-size:8px;gap:4px}.scene-toggles label{font-size:8px;margin:0;gap:1px}.scene-toggles input{width:11px;height:11px}.scene-toggles button{font-size:8px;padding:6px 4px}#resetView{display:none}.interaction-hint{bottom:11px;font-size:8px;left:10px;right:10px}.toast{font-size:10px;bottom:82px;padding:9px 12px}.panel-group{padding-bottom:15px;margin-bottom:15px}.dimension-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.selection-editor .dimension-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.swatches{grid-template-columns:repeat(8,minmax(0,1fr));gap:7px}.swatch{height:30px}.floor-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.floor-choice{font-size:10px;padding:7px;gap:7px}.floor-sample{width:25px;height:25px}.template-buttons{grid-template-columns:repeat(4,minmax(0,1fr))}.template-buttons button{font-size:10px;padding:9px 7px}.template-buttons span{font-size:7px}.object-actions{margin:12px 0}.selection-title{margin-bottom:12px}.object-actions button{padding:8px}.loading strong{font-size:14px}.loading p{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Lemona School palettes: Story Scroll / Soft Editorial / Night Bloom */
:root,body[data-theme=story]{--paper:#fcf9f7;--cream:#f3e8ed;--ink:#4b3d50;--muted:#8b7b8e;--green:#936d88;--line:#e7dfe7;--accent:#c5a5bc;--surface:#f4edf2;--hover:#eee2eb;--canvas:#e9dfe8;--canvas-label:#827087;--primary-hover:#7d5b74;--button-ink:#fff9fc;--selection:#e9dbe7;--soft-ink:#84678a;--field:#fffcfa;--toast:#6f526deb;--warn:#8a624f;--warn-bg:#f6ece3;color-scheme:light}
body[data-theme=editorial]{--paper:#faf9f5;--cream:#f1efe7;--ink:#303c35;--muted:#818a78;--green:#526955;--line:#e4e6dd;--accent:#9eae8c;--surface:#f0f2e9;--hover:#e8eddf;--canvas:#eeede5;--canvas-label:#7d8872;--primary-hover:#425846;--button-ink:#fff;--selection:#e3e9db;--soft-ink:#718465;--field:#fffefa;--toast:#344c38eb;--warn:#96664c;--warn-bg:#f7ede1;color-scheme:light}
body[data-theme=night]{--paper:#1c1929;--cream:#292337;--ink:#f1e5ee;--muted:#b3a1ba;--green:#c09ab6;--line:#3d3349;--accent:#9b779e;--surface:#282235;--hover:#352c43;--canvas:#2c253a;--canvas-label:#cab4d0;--primary-hover:#d0adc6;--button-ink:#271e2f;--selection:#42334e;--soft-ink:#cbb3d4;--field:#252031;--toast:#66516fec;--warn:#e1b29c;--warn-bg:#3d2c33;color-scheme:dark}
body,.studio-header,.library,.inspector{transition:background-color .25s,color .25s,border-color .25s}
button{background:var(--field)}button:hover{background:var(--hover);border-color:var(--accent)}.primary{color:var(--button-ink)}.primary:hover{background:var(--primary-hover);color:var(--button-ink)}input[type=number],select{background:var(--field);color:var(--ink)}.project-dot,.tiny-dot{background:var(--green)}.project-heading input{color:var(--ink)}.tool-tabs button.active{color:var(--green)}.category-list button.active,.view-switch button.active{color:var(--button-ink)}.furniture-card{background:var(--surface);border-color:var(--line)}.furniture-card:hover{background:var(--hover);border-color:var(--accent)}.furniture-card img{background:transparent}.furniture-card .add-icon{color:var(--soft-ink)}.workspace,.loading,.webgl-error{background:var(--canvas)}.canvas-heading p,.prototype-badge{color:var(--canvas-label)}.prototype-badge{border-color:var(--accent)}.view-switch,.mode-switch{background:color-mix(in srgb,var(--paper) 94%,transparent);border-color:var(--line);box-shadow:0 4px 18px #392c4209}.view-switch button{background:transparent}.view-switch button:hover:not(.active){background:var(--hover)}.mode-switch button.active{background:var(--selection);color:var(--ink)}.mode-switch button{color:var(--muted)}.scene-toggles,.scene-toggles label,.interaction-hint{color:var(--canvas-label)}.scene-toggles button{background:var(--paper);color:var(--ink)}.scene-toggles button[aria-pressed=true]{background:var(--selection)}.empty-selection,.inspector-note{background:var(--surface);color:var(--muted)}.empty-selection span{color:var(--accent)}label{color:var(--muted)}.inspector-note strong{color:var(--soft-ink)}.wide-button,.template-buttons button{background:var(--surface)}.floor-choice.active{background:var(--selection);border-color:var(--green)}.object-row.active{background:var(--selection)}.object-row{background:transparent}.warning-box{background:var(--warn-bg);color:var(--warn)}.object-row.has-warning{color:var(--warn)}.toast{background:var(--toast)}.toast.error{background:#8b5c48f2;color:white}.loading-mark{border-color:var(--accent);border-top-color:var(--green)}.header-actions .primary{background:var(--green);border-color:var(--green)}.header-actions .primary:hover{background:var(--primary-hover)}
.studio-header{border-bottom-color:var(--line)}.brand{font-size:16px}.brand span{letter-spacing:.23em}.library-title h1,.inspector-heading h2{color:var(--ink)}.scene-meta{display:flex;align-items:center;gap:9px;pointer-events:auto}.studio-theme{margin:0}.studio-theme select{font-size:9px;padding:5px 22px 5px 9px;border-radius:20px;margin:0;min-width:115px;background:color-mix(in srgb,var(--paper) 90%,transparent);border-color:var(--line);color:var(--ink);cursor:pointer}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body[data-theme=story] .library-title{background:linear-gradient(135deg,#f3e7ec88,transparent 85%)}body[data-theme=night] .library-title{background:linear-gradient(135deg,#3b2c4944,transparent 85%)}
@media(max-width:700px){.brand{font-size:13px}.scene-meta{gap:4px}.scene-meta .prototype-badge{display:none}.studio-theme select{min-width:105px;padding:4px 18px 4px 7px;font-size:8px}.studio-header .brand span{letter-spacing:.12em}}