*{box-sizing:border-box}.v13-tool-page{margin:0;background:#05070a;color:#fff;font-family:system-ui,-apple-system,Segoe UI,sans-serif}.v13-tool-header{position:sticky;top:0;z-index:20;min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));background:rgba(5,7,10,.92);backdrop-filter:blur(15px);border-bottom:1px solid rgba(214,175,86,.25)}.v13-tool-header a{color:#fff;text-decoration:none;font-weight:850}.v13-tool-header a:last-child{background:#d6af56;color:#050505;padding:10px 13px;border-radius:10px}.builder-hero{padding:70px 18px 35px;background:radial-gradient(circle at 50% 0,rgba(214,175,86,.17),transparent 50%)}.builder-hero>div{width:min(1180px,100%);margin:auto}.builder-hero span{color:#d6af56;font-size:12px;font-weight:950;letter-spacing:.13em}.builder-hero h1{font-size:clamp(40px,7vw,76px);margin:10px 0}.builder-hero p{max-width:760px;color:#aeb4bc;line-height:1.7;font-size:17px}.builder-shell{width:min(1280px,calc(100% - 28px));margin:0 auto 70px}.builder-tabs{display:flex;gap:9px;margin-bottom:16px}.builder-tabs button{border:1px solid rgba(214,175,86,.25);border-radius:12px;background:#0d1218;color:#fff;padding:12px 16px;font-weight:900;cursor:pointer}.builder-tabs button.active{background:#d6af56;color:#050505}.builder-layout{display:grid;grid-template-columns:250px minmax(380px,1fr) 250px;gap:16px;align-items:stretch}.builder-palette,.builder-summary,.builder-stage{border:1px solid rgba(214,175,86,.22);border-radius:22px;background:#0a0f14}.builder-palette,.builder-summary{padding:20px}.builder-palette h2,.builder-summary h2{margin-top:0}.builder-palette p{color:#9ea6ae;line-height:1.5}.module-buttons{display:grid;gap:8px}.module-buttons button,.builder-actions button,.builder-summary button{display:flex;justify-content:space-between;gap:8px;border:1px solid #313943;border-radius:10px;padding:11px;background:#111820;color:#fff;cursor:pointer}.module-buttons button:hover{border-color:#d6af56}.module-buttons small{color:#d6af56}.builder-actions{display:grid;gap:8px;margin-top:18px}.builder-stage{min-height:650px;display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at center,rgba(214,175,86,.12),transparent 50%),linear-gradient(#090d12,#05070a);perspective:1200px}.rack-view,.panel-view{width:100%;height:100%;display:grid;place-items:center}.rack-cabinet{position:relative;width:330px;height:560px;transform:rotateY(-13deg) rotateX(2deg);transform-style:preserve-3d}.rack-frame{position:absolute;inset:0;border:22px solid #353c44;border-radius:13px;background:#0b1015;box-shadow:30px 30px 0 #020304,0 35px 80px #000}.rack-brand{position:absolute;left:0;right:0;top:-20px;text-align:center;font-size:10px;color:#e6cb78;letter-spacing:.12em}.rack-slots{position:absolute;inset:16px;display:grid;grid-template-rows:repeat(18,1fr);gap:3px}.rack-slot{position:relative;border-top:1px dotted #46505a}.rack-module{position:absolute;left:0;right:0;border:1px solid #74808b;border-radius:3px;background:linear-gradient(#343d46,#13191f);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:900;color:#f2dc92;box-shadow:inset 0 0 0 2px #0b0e11;z-index:3}.rack-module.switch{background:linear-gradient(#294762,#10202c)}.rack-module.nvr{background:linear-gradient(#3d4146,#15171a)}.rack-module.ups{background:linear-gradient(#38312a,#17120e)}.rack-module.fiber{background:linear-gradient(#5d4b25,#20180b)}.rack-module.manager{background:repeating-linear-gradient(90deg,#222 0 9px,#555 10px 12px)}.rack-side{position:absolute;right:-30px;top:26px;width:30px;height:505px;background:#1a2026;transform:rotateY(90deg);transform-origin:left}.rack-floor{position:absolute;left:18px;right:-18px;bottom:-30px;height:30px;background:#07090b;transform:rotateX(90deg);transform-origin:top}.panel-box{position:relative;width:590px;height:500px;transform:rotateY(-8deg);transform-style:preserve-3d}.panel-inner{position:absolute;inset:0;border:18px solid #b5b7b9;border-radius:12px;background:#e8e9e8;box-shadow:28px 28px 0 #4c4e50,0 30px 80px #000}.panel-door{position:absolute;left:-75px;top:5px;width:70px;height:490px;background:#a9adaf;border:8px solid #777;transform:rotateY(-35deg);transform-origin:right;box-shadow:-16px 16px 25px #000}.panel-title{position:absolute;top:10px;left:20px;color:#333;font-size:10px;font-weight:900;letter-spacing:.12em}.din-rails{position:absolute;inset:50px 28px 25px;display:grid;grid-template-rows:repeat(3,1fr);gap:28px}.din-rail{position:relative;background:linear-gradient(180deg,transparent 44%,#7b7e80 45% 55%,transparent 56%);display:grid;grid-template-columns:repeat(12,1fr);gap:3px}.panel-module{align-self:center;height:68px;border:1px solid #777;background:linear-gradient(#fff,#d7d7d7);border-radius:3px;color:#222;font-size:9px;font-weight:900;display:grid;place-items:center;text-align:center;z-index:2}.panel-module.rcd{background:linear-gradient(#f9f9f9,#c6d8e8)}.panel-module.contactor{background:linear-gradient(#e8e8e8,#bbb)}.panel-module.psu{background:linear-gradient(#d6e0e8,#8797a4);color:#fff}.panel-module.relay{background:linear-gradient(#fff5c3,#d7bd58)}.panel-module.terminal{background:linear-gradient(#ffe2a5,#da8c2d)}.builder-summary [data-builder-summary]{max-height:320px;overflow:auto}.builder-summary ul{padding-left:20px;color:#c8c8c8}.builder-summary li{margin:7px 0}.builder-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}.builder-metrics span{border:1px solid #2d353d;border-radius:12px;padding:12px;text-align:center}.builder-metrics b{display:block;color:#d6af56;font-size:25px}.builder-metrics small{color:#8f979f}.builder-summary>a,.builder-summary>button{display:flex;justify-content:center;width:100%;margin-top:9px;text-decoration:none;border-radius:10px;padding:12px;font-weight:900}.builder-summary>a{background:#d6af56;color:#050505}.builder-summary>button{border:1px solid #3a424b;background:#10161c;color:#fff}@media(max-width:1050px){.builder-layout{grid-template-columns:220px 1fr}.builder-summary{grid-column:1/-1}.builder-stage{min-height:620px}}@media(max-width:720px){.v13-tool-header strong{display:none}.builder-layout{grid-template-columns:1fr}.builder-stage{min-height:570px;order:-1}.rack-cabinet{transform:scale(.8) rotateY(-10deg)}.panel-box{transform:scale(.57) rotateY(-5deg)}.builder-palette{order:2}.builder-summary{order:3}.builder-tabs{display:grid;grid-template-columns:1fr 1fr}.module-buttons{grid-template-columns:1fr 1fr}}@media print{.v13-tool-header,.builder-hero,.builder-palette,.builder-tabs,.builder-summary a,.builder-summary button{display:none!important}.builder-layout{display:block}.builder-stage{border:0;min-height:700px}.builder-summary{border:0}.rack-cabinet,.panel-box{transform:none}}