:root{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color-scheme:dark;--bg:#101827;--panel:#1a2638;--panel2:#223249;--border:#36465c;--text:#f4f7fc;--muted:#b3c2d3;--accent:#8dd9c1;--warn:#ffcd82}body.light{color-scheme:light;--bg:#f2f5f9;--panel:#fff;--panel2:#eaf0f6;--border:#ccd7e2;--text:#192b3e;--muted:#4d6072;--accent:#057c66;--warn:#955d07}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;min-height:100dvh}header{display:flex;align-items:center;justify-content:space-between;padding:15px max(18px,calc((100vw - 1440px)/2));border-bottom:1px solid var(--border);gap:10px}header strong{font-size:19px}header em{font-style:normal;color:var(--accent)}header small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.head-actions,.row{display:flex;gap:9px;align-items:center;flex-wrap:wrap}button,.ghost,.filebutton{cursor:pointer;border:1px solid var(--border);border-radius:11px;padding:11px 13px;background:var(--panel2);color:var(--text);font:inherit;font-weight:600;text-decoration:none}button:disabled{opacity:.45;cursor:not-allowed}button:hover,.ghost:hover{border-color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:var(--bg);font-weight:750}nav{display:flex;gap:4px;padding:10px max(18px,calc((100vw - 1440px)/2));overflow:auto;border-bottom:1px solid var(--border)}nav button{white-space:nowrap;background:transparent;border-color:transparent}nav button.active{background:var(--panel2);border-color:var(--border);color:var(--accent)}main{max-width:1440px;margin:auto;padding:18px}.pane{display:none}.pane.active{display:block}.viewer-grid{display:grid;grid-template-columns:minmax(0,1fr) 335px;gap:16px}.stage{background:var(--panel);border:1px solid var(--border);border-radius:16px;min-width:0;min-height:68vh;display:flex;flex-direction:column;overflow:hidden}.stage-top,.stage-bottom{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:10px 12px}.stage-bottom{overflow:auto;justify-content:flex-start}.stage-bottom button{padding:9px 11px}.status{font-size:12px;color:var(--accent)}model-viewer{width:100%;min-height:350px;flex:1;--poster-color:transparent;background:radial-gradient(ellipse,var(--panel2),var(--panel));}model-viewer::part(default-ar-button){display:none}.progress{height:3px;width:0;background:var(--accent)}.controls,.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:18px}.controls{display:flex;flex-direction:column;gap:14px}label{display:grid;gap:6px;color:var(--muted);font-size:13px;flex:1;min-width:150px}input,select,textarea{border-radius:9px;border:1px solid var(--border);background:var(--bg);color:var(--text);font:inherit;padding:12px;width:100%;min-width:0}input[type=checkbox]{width:auto}.dims{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:5px 0}.dims div{border-left:3px solid var(--accent);padding-left:8px}.dims dt{color:var(--muted);font-size:11px}.dims dd{margin:6px 0 0;font-size:19px;font-weight:700}.muted{color:var(--muted)}.small{font-size:12px}.warning{padding:11px;border-left:3px solid var(--warn);background:var(--panel2);font-size:13px;line-height:1.5}.section-head{margin:10px 0 20px}.section-head h2{margin:0 0 6px}.section-head p{margin:0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:14px;margin-bottom:20px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:15px}.card h3{margin:4px 0 9px}.card small{color:var(--muted);display:block;line-height:1.5}.card .row{margin-top:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form{display:grid;gap:12px}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.photo-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px}.layout-item{padding:12px 0;border-bottom:1px solid var(--border)}.layout-item .row{margin-top:9px}.layout-item input{max-width:125px}.status-ok{color:var(--accent)}.status-warn{color:var(--warn)}footer{color:var(--muted);font-size:12px;text-align:center;padding:25px}a{color:var(--accent)}@media(max-width:820px){header{padding:12px}.head-actions .ghost{font-size:12px}nav{padding:6px;position:sticky;top:0;z-index:5;background:var(--bg)}nav button{font-size:12px;padding:11px}main{padding:9px}.viewer-grid,.two-col{grid-template-columns:1fr}.stage{min-height:0;height:58dvh;border-radius:10px}.controls{border-radius:12px}.stage-bottom{padding:7px}.stage-bottom button{font-size:12px;padding:10px}.controls .primary{min-height:54px}.dims dd{font-size:18px}model-viewer{min-height:210px}.panel{padding:13px}.cards{grid-template-columns:1fr}.row>*{flex-grow:1}}@media(max-height:680px) and (max-width:820px){.stage{height:52dvh}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.dimension-reference{border:1px solid var(--border);background:var(--panel2);padding:12px;border-radius:12px;display:grid;gap:9px}.dimension-reference .ref-header{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.dimension-reference svg{width:100%;max-height:210px;color:var(--text)}.dimension-reference p{margin:0}.dimension-reference .row>label{min-width:110px}.dimension-reference input{background:var(--panel)}
.photo-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr))}.photo-entry{display:grid;gap:7px;border:1px solid var(--border);border-radius:12px;padding:9px;background:var(--panel2)}.photo-entry img{aspect-ratio:4/3}.photo-entry a{font-size:13px}.login-overlay{position:fixed;z-index:100;inset:0;background:rgba(6,14,25,.94);display:flex;align-items:center;justify-content:center;padding:20px}.login-overlay[hidden]{display:none}.login-card{width:min(440px,100%);display:grid;gap:16px}.login-card h2{margin:0}.login-card .primary{min-height:48px}@media(max-width:820px){.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.photo-entry input,.photo-entry select{font-size:16px}}

/* v3 responsive equipment + multi-layout */
.multi-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:14px}.multi-grid .panel{min-width:0}#multiCanvas{height:min(64vh,620px);min-height:340px;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#192436}#multiCanvas canvas{display:block;width:100%;height:100%}.multi-entry{display:grid;gap:6px;margin:9px 0;padding:12px;border:1px solid var(--border);border-radius:10px}.multi-entry label{display:grid;gap:4px}.multi-entry input{width:100%}#serverEquipment .card{min-width:0}#serverEquipment .card small{overflow-wrap:anywhere}button,input,select{touch-action:manipulation}@media(max-width:820px){.multi-grid{grid-template-columns:1fr}#multiCanvas{height:53dvh;min-height:310px}nav{display:flex;overflow-x:auto;scrollbar-width:thin;gap:5px}nav button{flex:0 0 auto;white-space:nowrap;min-height:46px}#multiItems{display:grid;grid-template-columns:1fr}.pane .panel button{min-height:44px}input,select,textarea{font-size:16px}}