:root{color-scheme:light;--ink:#233640;--muted:#637680;--line:#d9e1e5;--bg:#f5f7f8;--accent:#006b80;--warm:#a36519;--panel:#fff}*{box-sizing:border-box}html,body{margin:0;height:100%;font-family:Inter,Pretendard,"Noto Sans KR","Malgun Gothic",system-ui,sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}a{color:inherit;text-decoration:none}button,.button{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 12px;border-radius:6px;line-height:1.4}button:hover,.button:hover{border-color:#86aeba;background:#f1f7f9}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:3px solid #36a6c3;outline-offset:2px}button.on{background:var(--ink);color:white;border-color:var(--ink)}button:disabled{opacity:.5;cursor:wait}.mast{height:80px;padding:0 25px;display:flex;align-items:center;gap:28px;background:white;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;white-space:nowrap}.brand svg{width:34px;height:34px;color:var(--accent)}.brand strong{font-size:20px;letter-spacing:-.7px}.brand em{font-style:normal;color:var(--accent)}.brand small{display:block;font-size:10px;letter-spacing:1.9px;margin-top:5px;color:var(--muted)}.main-nav{display:flex;align-items:center;align-self:stretch;gap:26px;margin-left:25px}.main-nav a{display:flex;align-items:center;font-weight:600;border-bottom:3px solid transparent;padding-top:3px;white-space:nowrap}.main-nav a.active{color:var(--accent);border-color:var(--accent)}.release{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:#81511c;white-space:nowrap}.release i{width:6px;height:6px;background:#b98039;border-radius:50%}.download{font-size:12px;font-weight:650}.icon-button{border:0;background:transparent;padding:6px;font-size:21px}#menu{display:none}.workspace{height:calc(100dvh - 113px);display:grid;grid-template-columns:258px minmax(0,1fr)}.sidebar{background:#fff;border-right:1px solid var(--line);overflow:auto;display:flex;flex-direction:column}.side-title{padding:25px 20px 15px;font-weight:650}.side-title small{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:6px}.search{padding:0 16px 18px}.search input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:5px;background:#f7f9fa;font-size:12px}.tree{padding:0 12px}.tree details{border-top:1px solid #eaf0f3;padding:5px 0}.tree summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;padding:11px 7px;font-size:12px;font-weight:650}.tree summary:after{content:'+';color:var(--muted)}.tree details[open] summary:after{content:'−'}.tree .part{width:100%;display:flex;align-items:flex-start;gap:9px;padding:8px;border:none;text-align:left;background:transparent;font-size:12px;line-height:1.5;border-radius:4px}.tree .part.active{background:#e9f3f5;color:#00677b}.part .dot{width:6px;height:6px;border-radius:2px;background:#99abb4;margin-top:5px;flex-shrink:0}.part b{font-size:10px;display:block;color:#7a8b93;letter-spacing:.2px;font-weight:500}.side-note{padding:24px 20px 18px;margin-top:auto;border-top:1px solid var(--line);background:#f7f9fa}.eyebrow{font-size:10px;letter-spacing:1.2px;color:var(--muted);font-weight:700}.side-note h3{font-size:13px;line-height:1.6;font-weight:600;margin:9px 0}.side-note p{font-size:11px;line-height:1.9;color:var(--muted)}.side-note a{font-size:11px;color:var(--accent);font-weight:600}.source-links{padding:13px 20px;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.viewer{position:relative;overflow:hidden;background:#eef1f3;min-height:400px}#scene{position:absolute;width:100%;height:100%;inset:0;display:block;touch-action:none;outline-offset:-3px}.view-toolbar{position:absolute;z-index:2;top:22px;left:24px;right:24px;display:flex;gap:5px;flex-wrap:wrap}.view-toolbar button{font-size:11px;padding:7px 12px;background:rgba(255,255,255,.89);backdrop-filter:blur(12px)}.view-toolbar button.on{background:var(--ink)}.view-caption{position:absolute;z-index:1;left:28px;top:92px;pointer-events:none}.view-caption h1{font-size:clamp(20px,2vw,30px);font-weight:600;letter-spacing:-1.1px;line-height:1.4;margin:10px 0 8px}.view-caption p{font-size:11px;margin:0;color:var(--muted);line-height:1.7;max-width:330px}.view-options{position:absolute;z-index:2;bottom:57px;left:24px;display:flex;gap:14px;align-items:center;background:#ffffffeb;padding:10px 14px;border:1px solid #dce5e9;border-radius:8px;box-shadow:0 5px 20px #203a4610;flex-wrap:wrap;max-width:calc(100% - 48px)}.view-options label{font-size:11px;display:flex;align-items:center;gap:5px;cursor:pointer;white-space:nowrap}.view-options input{accent-color:var(--accent);width:12px;height:12px;margin:0}.view-options button{font-size:10px;border:0;border-left:1px solid var(--line);padding:3px 0 3px 12px;background:transparent;border-radius:0}.viewport-status{position:absolute;z-index:2;bottom:18px;left:26px;right:26px;display:flex;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted);pointer-events:none}.footer{height:33px;display:flex;align-items:center;gap:26px;padding:0 25px;font-size:10px;color:var(--muted);border-top:1px solid var(--line);background:white}.footer a{margin-left:auto}.loader{position:absolute;z-index:6;inset:0;background:#eef2f4f5;display:flex;justify-content:center;align-items:center;gap:17px;flex-direction:column}.loader[hidden]{display:none}.loader strong{font-size:16px}.loader span{font-size:12px;color:var(--muted);max-width:90%;text-align:center;line-height:1.8}.spinner{width:28px;height:28px;border:2px solid #cadce2;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.inspector{position:absolute;right:20px;bottom:120px;width:310px;max-height:calc(100% - 200px);overflow:auto;z-index:3;background:#fffffff2;backdrop-filter:blur(15px);padding:16px 19px 20px;border:1px solid #d2e0e5;border-radius:9px;box-shadow:0 12px 30px #1e39461a}.inspector[hidden]{display:none}.inspect-head{display:flex;align-items:center;justify-content:space-between}.inspector h2{font-size:16px;line-height:1.55;margin:9px 0}.badge{font-size:10px;font-weight:650;color:#8b5d26;background:#f5eedf;border:1px solid #eadac0;padding:3px 7px;border-radius:4px;display:inline-block}.inspector p{font-size:12px;line-height:1.85;color:#586e78;margin:12px 0}.inspector button#focus{width:100%;margin-top:10px;font-size:11px}.inspect-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;border-top:1px solid var(--line);padding-top:12px}.inspect-grid span{font-size:10px;color:var(--muted)}.inspect-grid b{display:block;font-size:12px;font-weight:600;color:var(--ink);margin-top:5px}.anchors{position:absolute;inset:0;z-index:1;pointer-events:none}.anchor{position:absolute;font-size:10px;background:#ffffffde;border:1px solid #b8cdd7;border-radius:4px;padding:5px 8px;transform:translate(7px,-100%);white-space:nowrap}.anchor:before{content:'';position:absolute;bottom:-4px;left:-5px;width:5px;height:5px;background:var(--accent);border-radius:50%}
/* Wiring and source documentation */.document-page{height:auto;min-height:100%;}.doc-main{max-width:1420px;margin:auto;padding:28px}.doc-heading{display:flex;gap:20px;justify-content:space-between;align-items:flex-start;margin-bottom:22px}.doc-heading h1{font-size:28px;letter-spacing:-1px;margin:8px 0 10px}.doc-heading p{line-height:1.8;color:var(--muted);font-size:12px;max-width:750px}.warning{background:#fbf4e6;border:1px solid #eddfbe;border-left:3px solid #bd862c;color:#765725;padding:13px 16px;font-size:12px;line-height:1.85;margin:18px 0}.wiring-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px}.drawing-box{background:white;border:1px solid var(--line);border-radius:8px;overflow:hidden}.drawing-tools{display:flex;gap:6px;padding:14px;border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center}.drawing-tools button,.drawing-tools select{font-size:11px}.drawing-tools select{padding:8px;border:1px solid var(--line);background:white;border-radius:5px}.drawing-stage{height:590px;overflow:hidden;background:#f8fafb}.drawing-stage svg{height:100%;width:100%;touch-action:none}.wire-sidebar{background:white;border:1px solid var(--line);border-radius:8px;padding:18px}.wire-sidebar h2{font-size:16px;margin:0 0 12px}.wire-sidebar p{font-size:12px;line-height:1.8;color:var(--muted)}.wire-sidebar input{padding:9px 10px;width:100%;border:1px solid var(--line);border-radius:5px;font-size:11px}#wire-list{max-height:440px;overflow:auto;margin-top:12px}#wire-list button{width:100%;text-align:left;padding:8px 9px;border:0;border-radius:4px;font-size:11px;line-height:1.8}#wire-list button b{display:block}#wire-list button.on{background:#e7f1f4;color:var(--accent)}.schematic-section{margin-top:22px;padding:24px;background:white;border:1px solid var(--line);border-radius:8px}.schematic-section h2{font-size:18px}.schematic-section p{font-size:12px;color:var(--muted);line-height:1.8}.schematic-section img{width:100%;height:auto}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:24px}.small-table{border-collapse:collapse;width:100%;font-size:12px}.small-table th,.small-table td{padding:12px;text-align:left;border-bottom:1px solid var(--line);line-height:1.7}.small-table th{font-weight:600;color:var(--muted)}.wire-details{font-size:12px;padding:12px 0;border-top:1px solid var(--line);line-height:1.8}.wire-details code{font-size:11px}.pill-row{display:flex;gap:9px;flex-wrap:wrap}.pill-row a{padding:8px 12px;font-size:11px;border:1px solid var(--line);border-radius:5px}.empty{padding:15px;color:var(--muted);font-size:12px}
@media(min-width:1500px){.workspace{grid-template-columns:280px 1fr}.view-caption{left:36px;top:106px}.view-toolbar{left:32px}.view-options{left:32px}.inspector{width:330px}}
@media(max-width:1100px){.mast{gap:18px;padding:0 17px}.main-nav{margin-left:0;gap:17px}.main-nav a{font-size:12px}.release{display:none}.download{margin-left:auto}.workspace{grid-template-columns:220px minmax(0,1fr)}.view-caption h1{font-size:22px}.view-options{gap:9px}.inspector{width:275px}.footer span:nth-child(2){display:none}.wiring-layout{grid-template-columns:1fr 260px}.drawing-stage{height:510px}}
@media(max-width:760px){.mast{height:66px;padding:0 12px;gap:12px}#menu{display:block}.brand svg{width:25px}.brand strong{font-size:16px}.brand small{font-size:8px;letter-spacing:1.1px}.main-nav{margin-left:auto;gap:14px}.main-nav a{font-size:11px}.main-nav a:nth-child(3){display:none}.download{display:none}.workspace{height:calc(100dvh - 94px);display:block}.sidebar{display:none;position:absolute;z-index:10;top:66px;bottom:28px;left:0;width:260px;box-shadow:10px 0 30px #20323f33}.sidebar.open{display:flex}.viewer{height:100%;min-height:430px}.view-toolbar{top:12px;left:12px;right:12px;gap:4px}.view-toolbar button{padding:6px 9px;font-size:10px}.view-caption{top:94px;left:18px}.view-caption h1{font-size:20px;letter-spacing:-.5px}.view-caption p{font-size:10px;max-width:290px}.view-caption .eyebrow{font-size:8px}.view-options{left:10px;bottom:46px;max-width:calc(100% - 20px);padding:9px 10px;gap:9px;border-radius:6px}.view-options label{font-size:10px}.view-options label:nth-child(6){display:none}.viewport-status{font-size:9px;left:12px;right:12px;bottom:12px;max-width:100%;line-height:1.6}.viewport-status span:first-child{max-width:65%}.footer{height:28px;padding:0 12px;font-size:9px;gap:6px}.inspector{bottom:100px;right:10px;width:min(285px,calc(100% - 20px));max-height:42%;padding:12px 15px}.inspector h2{font-size:14px}.inspector p{font-size:11px}.doc-main{padding:17px 12px}.doc-heading{display:block}.doc-heading h1{font-size:23px}.wiring-layout{grid-template-columns:1fr}.wire-sidebar{padding:16px}#wire-list{max-height:220px}.drawing-stage{height:440px}.two-column{grid-template-columns:1fr}.schematic-section{padding:16px}.small-table{font-size:10px}.small-table td,.small-table th{padding:9px}.brand div{min-width:135px}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none}}
/* The assembly, not a marketing heading, owns the viewport. */
.view-caption{top:78px;max-width:430px;pointer-events:none}.view-caption h1{font-size:18px;line-height:1.4;margin:7px 0 5px}.view-caption p{font-size:12px;line-height:1.5}.view-caption .eyebrow{font-size:10px}.view-caption br{display:none}
@media(max-width:760px){.view-caption{top:96px;left:16px;max-width:calc(100% - 32px)}.view-caption h1{font-size:15px}.view-caption p{font-size:11px}.view-caption .eyebrow{display:none}}

/* 3D 배경색 조절 */
.background-control{display:flex;align-items:center;gap:5px;flex-wrap:wrap;border-left:1px solid var(--line);padding-left:10px;font-size:11px}.background-control input[type=color]{width:25px;height:23px;padding:0;border:1px solid var(--line);border-radius:4px;cursor:pointer}.background-control input[type=text]{width:76px;height:25px;padding:3px 5px;border:1px solid var(--line);border-radius:4px;font-family:monospace;font-size:11px;accent-color:auto}.background-control input[aria-invalid=true]{border-color:#b12b2b}.background-control #background-reset{padding:3px 5px;border:1px solid var(--line);border-radius:4px}.background-control #background-error:not(:empty){flex-basis:100%;color:#a12929;font-size:10px}.dark-background .view-caption h1,.dark-background .view-caption .eyebrow,.dark-background .view-caption p,.dark-background .viewport-status{color:#fff;text-shadow:0 1px 4px #000}.dark-background .view-caption .eyebrow{opacity:.9}