/* Envelope Lab — 기본 인터페이스(style) + 외피 실험(envelope) + 가이드 적용분(맨 아래) */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=Inter:wght@400;500;600;700&family=Noto+Sans+KR:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#0c1321;--panel:#111b2c;--panel2:#151f31;--line:#253146;--muted:#8594ab;--text:#e3e9f2;--orange:#e99a64;--blue:#8baed9;--teal:#73c8be;--mono:'IBM Plex Mono',monospace}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px 'Inter','Noto Sans KR',sans-serif;letter-spacing:-.02em}button,input,select{font:inherit}button{cursor:pointer;transition:background .15s,color .15s;border:0;color:inherit}button:disabled{opacity:.35;cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--orange);outline-offset:3px}button:not(:disabled):active{transform:translateY(1px)}[hidden]{display:none!important}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linejoin:round;stroke-linecap:round;flex-shrink:0}.header{height:65px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:36px;background:#0e1727}.brand{display:flex;align-items:center;gap:11px}.brand-symbol{width:30px;height:30px;border:1px solid #303c51;border-radius:7px;display:grid;place-items:center;font-size:14px;font-weight:500}.brand strong{font-size:23px;letter-spacing:-.065em;font-weight:600}.brand em{color:var(--orange);font-style:normal}.breadcrumb{font-size:10px;letter-spacing:.08em;color:#b0bbcd;display:flex;gap:17px;align-items:center}.breadcrumb span{font-size:11px;letter-spacing:0;color:var(--muted)}.breadcrumb b{font-weight:400;color:#41506a}.connection{margin-left:auto;display:flex;align-items:center;gap:8px;color:#a2b1c7;font-size:10px}.connection i{height:5px;width:5px;background:var(--teal);border-radius:50%;box-shadow:0 0 8px #73c8be30}.local-label{font:9px var(--mono);border:1px solid #2d394d;padding:4px 6px;border-radius:3px;color:#75869e;margin-left:7px}main{max-width:1770px;margin:auto;padding:0 28px}.intro{padding:26px 0 25px;display:flex;align-items:center;justify-content:space-between}.eyebrow{color:var(--orange);font:9px var(--mono);letter-spacing:.12em;display:flex;gap:20px}.eyebrow>span{color:#6f829e;font-size:8px}h1{margin:9px 0 7px;font-size:30px;font-weight:500;letter-spacing:-.045em;line-height:1.15}h1 span{font-size:14px;color:#96a4ba;font-weight:400;letter-spacing:-.03em;border-left:1px solid #3b4759;padding-left:13px;margin-left:14px;vertical-align:middle}.intro p{margin:0;color:#7f90aa;font-size:11px}.intro-meta{text-align:right;color:#60738f;display:flex;flex-direction:column;gap:8px;align-self:end;padding-bottom:3px}.intro-meta>span{font:8px var(--mono);letter-spacing:.12em}.intro-meta code{font:12px var(--mono);color:#a0adc1}.workbench{display:grid;grid-template-columns:238px minmax(320px,1fr) 252px;gap:14px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;overflow:hidden}.panel-title{padding:16px 17px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel-title h2{font-size:12px;font-weight:500;margin:0}.panel-title>span{font:9px var(--mono);color:#7589a7}.settings-content,.inspector-content{padding:17px}.field-label{display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:10px;color:#a4b0c4;margin:0 0 8px}.field-label>span{font:8px var(--mono);color:#7487a3}select,input[type=text],input[type=number]{width:100%;background:#0c1524;border:1px solid #2c3a51;color:#cbd5e6;padding:9px 10px;border-radius:4px;font-size:11px;outline:none;min-width:0}select{cursor:pointer}select:hover,input[type=number]:hover,input[type=text]:hover{border-color:#52627b}.help{font-size:10px;color:#7486a1;line-height:1.8;margin:9px 0 0;word-break:keep-all}.section-heading{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;margin:20px 0 12px}.section-heading h3{font-size:11px;font-weight:500;margin:0}.section-heading span{font:8px var(--mono);color:#60738f}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:16px}.tool-grid button{border:1px solid #2a384e;border-radius:4px;background:#141f31;padding:10px 7px;display:flex;align-items:center;gap:7px;font-size:10px;color:#97a8c1;white-space:nowrap}.tool-grid button:hover{background:#1e2c42}.tool-grid button.active{background:#263143;color:#f3c49e;border-color:#7c614a}.tool-grid button svg{width:14px;height:14px}.material-key{display:flex;align-items:center;gap:9px;font-size:8px;color:#8394af;margin-top:10px}.material-key>span{display:flex;align-items:center;gap:4px}.material-key>span:last-child{margin-left:auto;color:#536a8a}.material-key i{width:7px;height:7px;display:inline-block}.low{background:#658eaa}.high{background:#c5a96c}.field-label output{font:13px var(--mono);color:var(--orange);white-space:nowrap}.field-label output small{font-size:8px;color:#7586a1}input[type=range]{accent-color:var(--orange);width:100%;height:14px;margin:3px 0;cursor:pointer;min-width:0}.range-ends{display:flex;justify-content:space-between;color:#536783;font:8px var(--mono);margin-top:5px}.edge-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.edge-grid label{font-size:9px;color:#8496b0;display:flex;align-items:center;gap:7px}.edge-grid input{width:65px;margin-left:auto;padding:7px;font:11px var(--mono)}.initial-label{display:flex;align-items:center;font-size:10px;color:#9cabc1;margin-top:12px}.initial-label input{width:65px;margin-left:auto;padding:7px;font:11px var(--mono)}.run-row{display:flex;gap:7px;margin-top:22px}.primary{background:var(--orange);color:#251c17;border:1px solid var(--orange);border-radius:4px;font-size:12px;font-weight:600;padding:11px 14px;display:flex;align-items:center;justify-content:center;gap:9px;flex:1}.primary:hover{background:#f0ad7f}.icon-button{background:#162237;border:1px solid #304059;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:4px;flex-shrink:0;color:#9daec7}.icon-button:hover{background:#21324b;color:var(--text)}.run-row .icon-button{height:auto;width:36px}.secondary{background:#19263a;border:1px solid #35445d;color:#bdcbe0;border-radius:4px;padding:9px 11px;font-size:10px;display:flex;align-items:center;justify-content:center;gap:7px}.secondary:hover{background:#24344c}.full{width:100%;margin-top:9px}.job-status{font-size:9px;color:#8294b0;line-height:1.8;margin-top:10px;min-height:16px;overflow-wrap:anywhere}.center{min-width:0}.view-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);height:48px;padding:0 16px;gap:8px}.view-tabs{display:flex;align-items:center;gap:17px;height:100%}.view-tabs button{height:100%;background:none;color:#7286a6;font-size:11px;padding:0 1px;border-bottom:2px solid transparent;white-space:nowrap}.view-tabs button.active{color:#ebc4a4;border-color:var(--orange)}.view-tabs button:hover{color:#e5c3a6}.mesh-note{font:9px var(--mono);color:#5e7393}.figure-toolbar{display:flex;align-items:center;justify-content:space-between;padding:15px 18px 0;font-size:9px;gap:10px}.figure-toolbar>div{display:flex;align-items:center;gap:7px}.figure-dot{height:4px;width:4px;border-radius:50%;background:var(--teal)}.figure-toolbar strong{font:10px var(--mono);font-weight:400;color:#afbdd1}#result-badge{color:#637b9e;font-size:8px;margin-left:5px}.subtle{border:0;background:none;color:#8496b0;padding:0;font-size:9px}.subtle:hover{color:var(--orange)}.figure{position:relative;display:flex;align-items:center;justify-content:center;min-height:200px;padding:4px 18px 0;background:radial-gradient(ellipse at center,#18263c55,transparent 65%)}.canvas-unit{width:100%;max-width:530px;position:relative;min-width:0}.figure canvas{display:block;width:100%;aspect-ratio:1;touch-action:none}.figure canvas:focus-visible{outline:1px solid #e99a6480;outline-offset:-16px}.canvas-label{display:none;position:absolute;left:12%;top:5%;font:8px var(--mono);color:#8da2c2}.figure.compare .canvas-unit{max-width:none;width:50%}.figure.compare .canvas-label{display:block}.figure.compare{padding:13px 0}.figure.compare canvas{padding-top:15px}#field{cursor:crosshair}#canvas-notice{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-size:10px;color:#eab287;background:#142238ee;border:1px solid #695744;padding:9px 14px;border-radius:4px;white-space:nowrap}.field-legend{display:flex;align-items:center;justify-content:center;gap:9px;padding:1px 24px 14px;font:9px var(--mono);color:#90a2be}.field-legend>div{height:6px;width:148px;background:linear-gradient(90deg,#172a48,#315d85,#67a1ae,#d6c5a0,#ee9560,#c54d41);border-radius:1px}.field-legend>span:last-child{font:8px 'Inter','Noto Sans KR',sans-serif;color:#5d7495;margin-left:4px}.overlay-row{padding:12px 18px;border-top:1px solid #24304790;display:flex;gap:14px;align-items:center;font-size:9px;color:#8ca0bd}.overlay-row label{display:flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap}.overlay-row input{accent-color:var(--orange);width:11px;height:11px;margin:0}.overlay-row>span{margin-left:auto;font-size:8px;color:#596f8f;white-space:nowrap}.timeline{display:flex;align-items:center;padding:12px 17px;gap:12px;background:#0d1727;border-top:1px solid var(--line)}.timeline .icon-button{width:28px;height:28px;background:transparent;border:0}.timeline .icon-button svg{width:13px;height:13px}.timeline output{font:11px var(--mono);color:#d1c1b4;min-width:37px}.timeline>span{font:9px var(--mono);color:#637b9d}.timeline input{flex:1}.timeline select{width:46px;padding:4px 0 4px 5px;border:0;background:none;font:9px var(--mono);color:#8fa2c0}.warning{background:#b5823520;border-top:1px solid #b5823540;padding:10px 16px;color:#d4ae77;font-size:10px;line-height:1.8}.plot{margin-top:14px;padding:17px 18px 0}.plot-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.plot-heading h2{font-size:11px;font-weight:500;margin:0 0 6px}.plot-heading>div>span{font:8px var(--mono);color:#637b9d}.plot-legend{display:flex;gap:11px;font-size:8px;color:#8498b5}.plot-legend span{display:flex;align-items:center;gap:4px;white-space:nowrap}.plot-legend i{width:10px;height:2px;display:inline-block}.ref-line{background:var(--orange)}.ai-line{background:var(--blue)}.base-line{background:var(--teal)}#curve{width:100%;height:159px;display:block;margin-top:8px}.plot-foot{display:flex;justify-content:space-between;padding:11px 0;color:#5f7494;font-size:8px;border-top:1px solid #25314680}#baseline-note{font-size:9px;color:var(--teal);display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}#baseline-note button{background:none;color:var(--muted);padding:0;font-size:9px}.inspection{display:grid;gap:14px}.probe-tag{color:var(--orange)!important;padding:3px 5px;border:1px solid #6a503e;border-radius:3px;font-size:8px!important}.coordinate{display:flex;justify-content:space-between;font:9px var(--mono);color:#617797}.coordinate b{font-size:11px;color:#adbfd8;font-weight:400}.temperature-reading{padding:19px 0;border-bottom:1px solid var(--line)}.temperature-reading>span{font-size:10px;color:#8fa0ba}.temperature-reading>strong{display:block;font:38px var(--mono);font-weight:400;color:#e7b38c;letter-spacing:-.05em;line-height:1.3;margin:5px 0 11px}.temperature-reading>strong small{font:12px var(--mono);color:#8a9ab1;letter-spacing:0;margin-left:9px}.temperature-reading>div{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#7f93b2}.temperature-reading b{font:10px var(--mono);color:#a3bfdf;font-weight:400;margin-left:5px}.readouts{margin:15px 0 0;display:grid;gap:12px}.readouts>div{display:flex;align-items:center;justify-content:space-between;gap:6px}.readouts dt{font-size:9px;color:#8094b2}.readouts dd{font:10px var(--mono);color:#b8c7dc;margin:0;text-align:right}.readouts small{font-size:8px;color:#607999}.model-chip{color:#8daed3!important;font-size:8px!important;letter-spacing:.05em}.model-panel select{font:9px var(--mono);padding:8px}.model-detail{font-size:9px;color:#7890b1;line-height:1.8;margin-top:12px}.model-detail b{color:#a2b8d5;font-weight:400;font-family:var(--mono)}.timing{border-top:1px solid var(--line);margin-top:12px;padding-top:11px;display:flex;gap:18px;font-size:9px;color:#7188aa}.timing>div{display:grid;gap:5px}.timing b{font:11px var(--mono);font-weight:400;color:#a1b3cd}.model-panel .help{font-size:8px;margin-top:13px}.save-row{display:flex;gap:6px;margin-top:9px}.save-row .secondary{flex:1;font-size:9px}.save-row .icon-button{width:32px;height:33px}.save-row svg{width:13px;height:13px}.notebook input{font-size:10px;padding:8px 10px}.library{display:grid;gap:10px;margin-top:13px;max-height:250px;overflow:auto}.library-entry{border-top:1px solid var(--line);padding-top:10px}.library-entry header{display:flex;align-items:center;justify-content:space-between;gap:8px}.library-entry strong{font-size:10px;color:#aebed5;font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.library-entry time{font:8px var(--mono);color:#5a7495;white-space:nowrap}.library-entry>div{display:flex;align-items:center;gap:10px;margin-top:7px;font:9px var(--mono);color:#859ab8}.library-entry button{border:0;background:none;color:#a0b6d1;font-size:9px;padding:0}.library-entry button:hover{color:var(--orange)}.library-entry>div>span{margin-right:auto;font-size:8px}.method{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:22px}.method summary{display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;padding:17px 0;color:#9babC2;font-size:10px}.method summary>span:last-child{color:#5f7799;font-size:9px}.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding-bottom:20px}.method-grid h3{font-size:11px;font-weight:400;color:#b7c7dd}.method-grid p{font-size:10px;line-height:1.9;color:#7187a6;margin-bottom:0;word-break:keep-all}footer{display:flex;justify-content:space-between;align-items:center;font:8px var(--mono);color:#4f6585;padding:21px 0 27px}footer b{color:#8798b0;font:12px 'Inter',sans-serif;letter-spacing:-.04em;margin-right:8px}footer>span:nth-child(2){font:9px 'Noto Sans KR',sans-serif;color:#5c7291}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#26364e;border:1px solid #536983;box-shadow:0 5px 25px #0005;border-radius:5px;color:#d2ddea;padding:12px 20px;font-size:11px;z-index:50;opacity:0;pointer-events:none;transition:opacity .15s}#toast.show{opacity:1}
@media(min-width:1500px){.workbench{grid-template-columns:250px minmax(420px,1fr) 272px;gap:18px}.canvas-unit{max-width:590px}.settings-content,.inspector-content{padding:20px}.panel-title{padding:18px 20px}.intro{padding:30px 0}.canvas-unit canvas{max-height:590px}.library{max-height:290px}}
@media(max-width:1200px){main{padding:0 18px}.header{padding:0 18px}.workbench{grid-template-columns:213px minmax(280px,1fr) 218px;gap:10px}.settings-content,.inspector-content{padding:14px}.panel-title{padding:14px}.view-tabs{gap:13px}.view-tabs button{font-size:10px}.figure{padding:4px 8px 0}.overlay-row{gap:9px;padding:11px 13px}.overlay-row>span{display:none}.plot{padding:15px 12px 0}.plot-heading{align-items:start}.plot-legend{gap:7px}.plot-legend span{font-size:7px}.tool-grid button{font-size:9px;padding:9px 5px;gap:5px}.edge-grid input{width:58px}.temperature-reading>strong{font-size:34px}.coordinate{font-size:8px}.readouts dt{font-size:8px}.readouts dd{font-size:9px}.figure-toolbar{padding:13px 14px 0}.figure-toolbar strong{font-size:9px}.mesh-note{font-size:8px}.intro-meta code{font-size:10px}}
@media(max-width:980px){.workbench{grid-template-columns:205px minmax(0,1fr)}.inspection{grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.intro-meta{display:none}.canvas-unit{max-width:470px}.figure-toolbar{padding:14px 18px 0}.figure{padding:4px 8px 0}.temperature-reading>strong{font-size:30px}.model-detail{font-size:8px}.library{max-height:180px}.inspection .panel-title{padding:13px 14px}.plot-legend{gap:10px}.figure.compare canvas{padding-top:0}.canvas-label{font-size:6px}}
@media(max-width:650px){.header{height:57px;padding:0 15px;gap:22px}.brand strong{font-size:20px}.brand-symbol{width:26px;height:26px;font-size:12px}.breadcrumb{font-size:8px;gap:10px}.breadcrumb>span,.breadcrumb>b{display:none}.connection{font-size:8px;gap:5px}.local-label{display:none}main{padding:0 12px}.intro{padding:23px 2px 22px}.eyebrow{font-size:8px;gap:14px}.eyebrow>span{font-size:7px}h1{font-size:27px;margin:10px 0}h1 span{font-size:12px}.intro p{font-size:10px;line-height:1.8;max-width:340px}.workbench{grid-template-columns:1fr;gap:12px}.settings{grid-row:2}.settings-content{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.settings-content>.field-label:first-child,.settings-content>#preset,.settings-content>#preset-description{grid-column:1/-1}.settings-content>.section-heading{grid-column:1/-1;margin:8px 0 0;padding-top:14px}.tool-grid{grid-column:1/-1;grid-template-columns:repeat(4,1fr);margin:0;gap:5px}.tool-grid button{flex-direction:column;gap:6px;font-size:9px;padding:10px 5px}.settings-content>label[for=material]{grid-column:1;align-self:center;margin:0}.settings-content>#material{grid-column:2}.material-key{grid-column:1/-1;margin:0}.settings-content>label[for=power]{grid-column:1/-1;margin:0}.settings-content>#power,.range-ends{grid-column:1/-1;margin:0}.edge-grid{grid-column:1/-1;grid-template-columns:repeat(4,1fr);gap:9px}.edge-grid label{flex-direction:column;align-items:start;gap:5px}.edge-grid input{width:100%;margin:0}.initial-label{margin:0}.settings-content>.help{grid-column:1/-1;margin:0}.run-row{grid-column:1/-1;margin:4px 0 0}.job-status{grid-column:1/-1;margin:0}.settings-content>#cancel{grid-column:1/-1}.center{grid-row:1}.canvas-unit{max-width:520px}.view-tabs{gap:24px}.view-tabs button{font-size:11px}.view-top{padding:0 17px}.figure-toolbar{padding:14px 17px 0}.overlay-row{padding:12px 17px;gap:17px}.figure{padding:0}.field-legend{padding-bottom:13px}.inspection{grid-template-columns:1fr 1fr;grid-row:3;gap:12px}.notebook{grid-column:1/-1}.notebook .inspector-content{display:grid;grid-template-columns:1fr 1fr;gap:10px}.notebook .save-row{margin:0}.library{grid-column:1/-1;max-height:230px}.plot{margin-top:12px}.plot-legend{font-size:8px;gap:8px}.plot-heading h2{font-size:11px}#curve{height:150px}.method-grid{grid-template-columns:1fr;gap:10px}.method summary{font-size:9px}.method summary>span:last-child{font-size:8px}footer>span:nth-child(2){display:none}.temperature-reading>div{flex-wrap:wrap;gap:6px}.temperature-reading>strong{font-size:30px}.coordinate{font-size:7px}.coordinate b{font-size:9px}.readouts dt{font-size:8px}.readouts dd{font-size:8px}.readouts small{font-size:7px}.timing{gap:14px}.model-panel .inspector-content{padding:12px}.probe-panel .inspector-content{padding:14px 12px}.save-row .secondary{padding:8px;font-size:8px}.figure.compare .canvas-label{font-size:6px}.plot-foot{font-size:7px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.scenario-strip{display:flex;gap:10px;margin-bottom:18px}.scenario-strip>button{flex:1;display:flex;align-items:center;gap:14px;padding:14px 18px;background:#111b2c;border:1px solid #263247;border-radius:5px;text-align:left}.scenario-strip>button svg{width:36px;height:36px;color:#6b819f;stroke-width:1.2}.scenario-strip>button b{display:block;color:#aebcd1;font-size:11px;font-weight:500}.scenario-strip>button small{display:block;color:#7085a4;font-size:10px;margin-top:5px}.scenario-strip>button.active{background:#1e2837;border-color:#8a694d}.scenario-strip>button.active svg,.scenario-strip>button.active b{color:#e9b88e}.scenario-note{width:190px;display:flex;gap:16px;align-items:center;justify-content:flex-end;font-size:10px;color:#7085a4;line-height:1.7}.scenario-note>span{font:15px var(--mono);color:#849cb9}.envelope-workbench{grid-template-columns:255px minmax(300px,1fr) 258px}.envelope-settings{padding:17px}.design-tag{color:var(--orange)!important;border:1px solid #705a46;padding:3px 5px}.layer-stack{margin:0 0 14px;display:grid;gap:4px}.layer-item{background:#172236;border:1px solid #29364b;border-left:3px solid var(--layer-color);padding:7px 9px;display:flex;gap:7px;align-items:center;font-size:10px;color:#a8b8d0}.layer-item span:last-child{margin-left:auto;font:9px var(--mono);color:#7b93b4}.layer-item small{color:#536b8b;font:8px var(--mono)}.input-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;color:#9baec9;margin-top:12px}.input-row>span{display:flex;align-items:center;gap:6px;color:#7088a9;font:9px var(--mono)}.input-row input{width:66px;font:11px var(--mono);padding:7px}.input-row select{width:105px;padding:7px;font-size:10px}.thickness-label{display:flex;justify-content:space-between;align-items:center;margin:16px 0 7px;font-size:10px;color:#a8b9d2}.thickness-label>span{font:10px var(--mono);color:#aebbd0}.thickness-label input{width:65px;padding:5px 0;font:22px var(--mono);color:var(--orange);background:transparent;border:0;border-radius:0;text-align:right}.thickness-label input::-webkit-inner-spin-button{opacity:0}.toggle-row{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:10px;color:#a6b8d1}.toggle-row input{accent-color:var(--orange);width:15px;height:15px;cursor:pointer}.climate-inputs{display:grid;grid-template-columns:1fr 1fr;gap:9px}.climate-inputs label{position:relative;color:#98abc6;font-size:10px}.climate-inputs input{font:18px var(--mono);padding:10px 23px 10px 10px;margin-top:7px;color:var(--orange)}.climate-inputs label+label input{color:#8fb7db}.climate-inputs small{position:absolute;right:9px;bottom:12px;font-size:9px;color:#6782a6}.advanced{margin-top:17px;border-top:1px solid var(--line);padding-top:13px}.advanced summary{font-size:10px;color:#8299b8;cursor:pointer}.unit-note{font-size:8px;color:#7189a9;line-height:1.7;margin:7px 0 0}.envelope-settings .section-heading{margin-top:18px;padding-top:17px}.envelope-settings .run-row{margin-top:17px}.section-toolbar{padding:15px 18px;display:flex;align-items:center;justify-content:space-between;gap:8px}.section-toolbar>div:first-child{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.section-toolbar b{font-size:10px;color:#b6c5dc;font-weight:400}.status-dot{width:4px;height:4px;border-radius:50%;background:var(--teal)}.section-toolbar small{color:#6e85a5;font-size:8px}.variant-switch{display:flex;gap:3px;padding:3px;background:#0c1524;border:1px solid #26364e;border-radius:4px;flex-shrink:0}.variant-switch button{background:none;border-radius:2px;padding:5px 7px;font-size:9px;color:#6e84a4}.variant-switch button.active{color:#e5bb99;background:#273040}.section-figures{display:flex;align-items:start;background:radial-gradient(ellipse at center,#1b2b4338,transparent 70%)}.section-unit{width:100%;min-width:0}.section-unit canvas{display:block;width:100%;height:auto;aspect-ratio:1000/760;touch-action:pan-y;cursor:crosshair;outline:none}.section-unit canvas:focus-visible{outline:1px solid #e99a64;outline-offset:-5px}.section-figures.compare .section-unit{width:50%}.section-options{display:flex;align-items:center;gap:17px;padding:13px 18px;border-top:1px solid #253146;font-size:10px;color:#91a5c0}.section-options label{display:flex;gap:5px;align-items:center;white-space:nowrap}.section-options input{margin:0;accent-color:var(--orange);width:12px;height:12px}.section-options>span{margin-left:auto;font-size:8px;color:#5c779a}.section-foot{display:flex;justify-content:space-between;padding:10px 18px;border-top:1px solid #253146;font-size:8px;color:#617c9f}.comparison-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 4px}.comparison-bar>div{display:flex;align-items:center;gap:10px;min-width:0}.comparison-bar b{display:block;font-size:10px;font-weight:400;color:#b3c1d8}.comparison-bar div>div>span{display:block;color:#7088a9;font-size:9px;margin-top:5px}.case-label{width:22px;height:22px;border:1px solid #415b7e;display:grid;place-items:center;font:10px var(--mono);color:#90b4df;flex-shrink:0}.case-label.b{color:var(--orange);border-color:#705740}.comparison-bar button{background:none;color:#9cafc8;font-size:9px;text-align:center;padding:7px;border:1px solid #2b3c55;border-radius:3px}.comparison-bar button:hover{color:#e9b88e}.plot{margin-top:0!important}#surface-plot{width:100%;height:175px;display:block;margin-top:14px}.metric-label{font-size:10px;color:#8da4c3}.hero-metric{display:flex;align-items:baseline;gap:7px;margin:9px 0 10px}.hero-metric strong{font:38px var(--mono);color:var(--orange);letter-spacing:-.07em}.hero-metric>span{font:9px var(--mono);color:#829aba}.metric-baseline{display:flex;align-items:center;gap:7px;font-size:9px;color:#7893b4;margin-bottom:17px}.metric-baseline b{font:11px var(--mono);color:#9fb7d7}.reduction{margin-left:auto;color:#83c5b6;background:#19322f;border:1px solid #315850;border-radius:3px;padding:4px 6px;font:9px var(--mono)}.reduction.increase{color:#e4aa86;background:#392d27;border-color:#5c4939}.performance-panel .readouts{padding-top:14px;border-top:1px solid var(--line)}.readouts{margin:0;display:grid;gap:12px}.readouts>div{display:flex;align-items:center;justify-content:space-between;gap:6px}.readouts dt{font-size:9px;color:#7c95b6}.readouts dd{margin:0;font:11px var(--mono);color:#c6d5e9}.performance-panel .help{font-size:8px;margin-top:14px}.probe-material{font-size:12px;color:#b9c9df}.probe-detail{display:flex;align-items:baseline;justify-content:space-between;margin:10px 0 16px}.probe-detail>span{font:22px var(--mono);color:#d1dced}.probe-detail>small{font:8px var(--mono);color:#6b86a9}.model-detail{font-size:9px!important;line-height:1.8}.model-panel .help{font-size:9px}.model-panel select{font-size:10px}#ai-error{color:#8ba2c0}.method-grid a{color:#b5bfcf;text-decoration:underline}.library-entry strong{font-size:11px}.library-entry button{font-size:10px}.library-entry>div>span{font-size:9px}.notebook .save-row{margin-top:9px}.notebook input{font-size:11px}.library{max-height:160px}.inspection{gap:12px}.field-legend{gap:9px}.field-legend>span{font-size:9px}.warning{margin:0;padding:12px 18px;color:#d5ae80;background:#332b2133;font-size:10px;line-height:1.8;border-top:1px solid #4d4234}.view-tabs{gap:15px}
@media(min-width:1600px){.envelope-workbench{grid-template-columns:270px minmax(400px,1fr) 280px}.section-unit canvas{max-height:660px}.section-figures.compare .section-unit canvas{max-height:none}.envelope-settings{padding:20px}.scenario-strip>button{padding:17px 22px}.scenario-strip>button b{font-size:13px}.scenario-strip>button small{font-size:11px}.field-label,.input-row,.thickness-label,.toggle-row{font-size:11px}.section-toolbar b{font-size:12px}.section-options{font-size:11px}.readouts dt{font-size:10px}.readouts dd{font-size:12px}}
@media(max-width:1200px){.envelope-workbench{grid-template-columns:224px minmax(260px,1fr) 222px;gap:10px}.envelope-settings{padding:14px}.scenario-note{display:none}.section-options>span{display:none}.view-tabs{gap:12px}.view-tabs button{font-size:10px}.mesh-note{display:none}.section-toolbar{padding:13px 12px}.section-toolbar small{display:none}.variant-switch button{font-size:8px;padding:5px}.comparison-bar{flex-wrap:wrap}.comparison-bar button{order:3;width:100%;padding:8px}.hero-metric strong{font-size:34px}.readouts dd{font-size:10px}.probe-detail{flex-wrap:wrap;gap:7px}}
@media(max-width:980px){.envelope-workbench{grid-template-columns:220px minmax(0,1fr)}.inspection{grid-template-columns:repeat(2,minmax(0,1fr))}.notebook{grid-column:auto}.scenario-strip>button{padding:12px 10px;gap:8px}.scenario-strip>button svg{width:27px;height:27px}.scenario-strip>button b{font-size:10px}.scenario-strip>button small{font-size:9px}.section-toolbar{flex-wrap:wrap}.section-toolbar>div:first-child{width:100%;margin-bottom:6px}.variant-switch{margin-left:auto}.section-options{gap:10px;font-size:9px}.view-tabs{gap:13px}.section-figures.compare{flex-direction:column}.section-figures.compare .section-unit{width:100%}.section-figures.compare .section-unit+.section-unit{border-top:1px solid var(--line)}.comparison-bar>div{max-width:48%}.comparison-bar div>div>span{line-height:1.6}}
@media(max-width:800px){.breadcrumb{font-size:7px}.connection span:not(.local-label){font-size:7px}.scenario-strip{gap:6px;margin-bottom:12px}.scenario-strip>button{padding:10px 4px;flex-direction:column;gap:7px;text-align:center}.scenario-strip>button svg{width:27px;height:27px}.scenario-strip>button small{display:none}.scenario-strip>button b{font-size:9px;white-space:nowrap}.envelope-workbench{grid-template-columns:1fr}.envelope-settings{padding:16px;display:block}.envelope-workbench .settings{grid-row:2}.envelope-workbench .center{grid-row:1}.envelope-workbench .inspection{grid-row:3}.intro p{font-size:10px;line-height:1.8}.section-toolbar{padding:12px 13px;flex-wrap:nowrap}.section-toolbar>div:first-child{width:auto;margin:0}.section-toolbar b{font-size:9px}.section-options{padding:13px;gap:16px;font-size:9px}.section-foot{font-size:7px;padding:10px 13px}.section-figures.compare{flex-direction:column}.view-top{padding:0 14px}.view-tabs{gap:18px}.view-tabs button{font-size:10px}.envelope-workbench .notebook{grid-column:1/-1}.envelope-workbench .model-panel{grid-column:1/-1}.notebook .inspector-content{display:block}.notebook .save-row{margin-top:9px}.hero-metric{flex-wrap:wrap;gap:4px}.hero-metric strong{font-size:30px}.hero-metric span{font-size:8px}.metric-baseline{flex-wrap:wrap;gap:6px}.reduction{margin-left:0}.readouts>div{flex-wrap:wrap;gap:5px}.readouts dt{font-size:8px}.readouts dd{font-size:9px}.performance-panel .inspector-content,.probe-panel .inspector-content{padding:14px 12px}.probe-detail small{font-size:7px}.envelope-workbench .model-panel .inspector-content{padding:16px}.model-panel select{font-size:11px}.model-detail{font-size:10px!important}.comparison-bar{padding:14px 0}.comparison-bar>div{gap:7px}.comparison-bar div>div>span{font-size:8px}.plot{padding:16px 13px 0}#surface-plot{height:170px}}

/* Two scales: a building locator and the existing, independently solved section. */
.viewport{container-type:inline-size}
.scope-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 18px 14px}
.scope-switch{display:flex;gap:3px;padding:3px;border:1px solid #344259;border-radius:5px;background:#0c1524}
.scope-switch button{background:transparent;color:#7f96b4;font-size:10px;padding:8px 11px;border-radius:3px;white-space:nowrap}
.scope-switch button.active{color:#edc3a0;background:#28313f;box-shadow:inset 0 0 0 1px #66513d}
.scope-toolbar>span{font:8px var(--mono);color:#718aab}
.location-trail{display:flex;align-items:center;gap:9px;padding:12px 18px;border-top:1px solid #27364a;border-bottom:1px solid #27364a;background:#19233680}
.location-trail>span:first-child{display:grid;place-items:center;width:22px;height:22px;border:1px solid #806144;color:#e9b88d;font:10px var(--mono);flex-shrink:0}
.location-trail b{font-size:11px;font-weight:500;color:#d4c7ba;white-space:nowrap}
.location-trail>span:last-child{font-size:9px;color:#8da1bd;margin-left:auto;text-align:right}
.section-stage{display:grid;grid-template-columns:43% minmax(0,1fr);align-items:stretch;background:radial-gradient(ellipse at 25% 50%,#2636504d,transparent 65%)}
.building-context{padding:17px 14px 14px;border-right:1px solid #2b3b52;min-width:0}
.context-heading{display:flex;justify-content:space-between;gap:8px;align-items:center;font:8px var(--mono);color:#7c94b3}
.context-heading b{font:9px var(--sans,sans-serif);font-weight:400;color:#b8aa98;white-space:nowrap}
.building-drawing{display:block;width:100%;height:auto;max-height:480px;margin:0 auto;overflow:visible}
.context-grid{fill:none;stroke:#425975;stroke-width:.6;stroke-dasharray:4 5}
.context-dimension{font:12px var(--mono);fill:#8199b6}
.context-room{font:26px var(--mono);fill:#bbc6d6}
.context-room-note{font:14px 'Noto Sans KR',sans-serif;fill:#839cb9}
.context-level{font:11px var(--mono);fill:#8299b3}
.context-selection-tag{font:11px var(--mono);fill:#edb17d}
.context-target{cursor:pointer;outline:none}
.context-target path{fill:none;stroke:#5c7698;stroke-width:1}
.context-target circle{fill:#172437;stroke:#6b82a2;stroke-width:1}
.context-target text{font:12px var(--mono);fill:#b5c6da;pointer-events:none}
.context-target.active circle,.context-target:hover circle,.context-target:focus-visible circle{fill:#614631;stroke:#edb17d;stroke-width:1.5}
.context-target.active text,.context-target:hover text{fill:#ffdab6}
.context-target:focus-visible circle{stroke-width:3}
.context-target[aria-disabled=true]{cursor:wait;opacity:.5}
.context-key{display:flex;align-items:center;justify-content:space-between;gap:7px;color:#9eaec4;font-size:8px;margin-top:9px}
.context-key span{display:flex;align-items:center;gap:6px}
.context-key i{width:6px;height:10px;background:#c3a16b;display:inline-block}
.context-key span:last-child{color:#738bad;font-size:8px}
.context-note{font-size:8px;color:#6d86a8;margin:9px 0 0;line-height:1.6}
.detail-stage{min-width:0;display:flex;flex-direction:column;justify-content:center;position:relative}
.detail-heading{display:flex;align-items:center;justify-content:space-between;margin:18px 18px 4px;font-size:10px;color:#b6c4d9}
.detail-heading span:last-child{font:9px var(--mono);color:#c19e7e}
.detail-heading:before{content:'';position:absolute;left:-1px;top:50%;width:13px;border-top:1px solid #d1a078}
.section-stage .section-figures{background:none}
.section-stage.detail-only{display:block}
.section-stage.detail-only .detail-stage{display:block}
.section-stage:not(.detail-only) .section-unit canvas{max-height:none}
.section-foot{gap:10px;line-height:1.6;flex-wrap:wrap}
@container(max-width:540px){
 .section-stage{grid-template-columns:1fr}
 .building-context{border-right:0;border-bottom:1px solid #2b3b52;padding:17px 20px}
 .building-drawing{height:400px;width:100%;max-height:none}
 .context-heading{font-size:9px}
 .context-heading b,.context-key,.context-key span:last-child,.context-note{font-size:9px}
 .detail-heading{margin:18px 18px 4px}
 .detail-heading:before{display:none}
 .location-trail{flex-wrap:wrap;gap:8px;padding:10px 13px}
 .location-trail>span:last-child{font-size:9px;flex-basis:100%;text-align:left;margin-left:30px}
 .scope-toolbar{padding:0 13px 13px;gap:6px;flex-wrap:wrap}
 .scope-toolbar>span{font-size:7px}
}

/* ── 가이드 적용 2026-10-25: 머리글(언어·버전), 킥, 면책, 브랜드 바닥글, 폰 가독성 */
.header{gap:20px}
.head-meta{margin-left:auto;display:flex;align-items:center;gap:14px;font:10px var(--mono);color:#7d8fa9}
.lang-switch{border:1px solid #33435c;border-radius:4px;padding:6px 10px;color:#c9d4e4;font:11px 'Inter','Noto Sans KR',sans-serif}
.lang-switch:hover{color:var(--orange);border-color:#705a46}

.disclaimer{margin:18px 0 0;padding:14px 16px;border:1px solid var(--line);border-radius:6px;color:#8a9bb4;font-size:11px;line-height:1.8;word-break:keep-all}
.store-note{font-size:9px;color:#7189a9;line-height:1.7;margin:10px 0 0}
.library-entry .remove{color:#7d8fa9;margin-left:4px}
.brand-footer{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;padding:28px 0 32px;margin-top:22px;border-top:1px solid var(--line);font:12px 'Inter','Noto Sans KR',sans-serif;color:#8a9bb4}
.brand-footer img{display:block;height:20px;width:auto}
.brand-footer a{color:#a9b7cb}.brand-footer a:hover{color:var(--orange)}
@media(max-width:650px){
 .header{height:auto;min-height:52px;padding:10px 14px;flex-wrap:wrap;gap:10px}
 .breadcrumb>span,.breadcrumb>b{display:inline}
 .head-meta{gap:10px}
 .intro p{font-size:12px;max-width:none}
 .eyebrow{font-size:9px}
 .help,.unit-note,.job-status,.field-label,.input-row,.thickness-label,.toggle-row,.climate-inputs label,.section-options,.readouts dt,.readouts dd,.metric-baseline,.model-detail,.timing,.library-entry strong,.library-entry>div,.library-entry button,.store-note,.plot-legend,.plot-foot,.section-foot,.location-trail>span:last-child,.comparison-bar div>div>span,.comparison-bar b,.comparison-bar button,.scope-toolbar>span,.scope-switch button,.variant-switch button,.section-toolbar b,.view-tabs button,.scenario-strip>button b,.probe-detail>small,.context-key,.context-note,.method summary,.method-grid p{font-size:12px!important}
 .input-row input{width:84px;font-size:13px}.input-row select{width:120px;font-size:12px}
 .section-toolbar{flex-wrap:wrap}.section-toolbar>div:first-child{width:100%}
 .view-tabs{gap:14px;overflow-x:auto}
 .scenario-strip>button b{white-space:normal}
 .disclaimer{font-size:12px}
}
footer.brand-footer{justify-content:flex-start}
footer.brand-footer>span{display:inline!important;font:12px 'Inter','Noto Sans KR',sans-serif!important;color:#8a9bb4!important}
@media(max-width:650px){
 .layer-item,.layer-item small,.layer-item span:last-child,.range-ends span,.section-heading span,.climate-inputs small,.advanced summary,.field-label>span,.context-heading,.context-heading b,.detail-heading span,.field-legend>span,.case-label,.plot-heading>div>span,.panel-title>span,.metric-label,.hero-metric>span,.reduction,.design-tag,.eyebrow>span,.breadcrumb b,.location-trail>span:first-child,.head-meta,.probe-detail>small,.unit-note,.intro-meta span,.context-key span,.context-key span:last-child,.save-row .secondary,.method summary>span{font-size:11px!important}
 .location-trail>span:first-child{width:26px;height:26px}.case-label{width:26px;height:26px}
}
@media(max-width:650px){.plot-foot{flex-wrap:wrap;gap:4px 12px;line-height:1.6}}