:root{color-scheme:dark;--canvas:#07111b;--panel:#0a1520;--stroke:#1d3542;--text:#dcebf1;--dim:#7c98a6;--accent:#6edff3;--sans:'DM Sans',Inter,system-ui,sans-serif;--mono:'Space Mono',ui-monospace,monospace}
*{box-sizing:border-box}body{margin:0;background:#030b12;color:var(--text);font:13px/1.5 var(--sans)}button,select,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{height:72px;background:#08121d;border-bottom:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;padding:0 32px}.brand{display:flex;align-items:center;gap:15px}.brand-mark{width:47px;height:47px;display:grid;place-items:center;border:1px solid #366474;position:relative;color:var(--accent);font:bold 20px var(--mono);letter-spacing:-3px}.brand-mark:before{content:'';position:absolute;inset:4px;border:1px solid #203e4d}.dot{color:white;font-size:22px;align-self:end;position:absolute;right:-3px;bottom:-8px}.brand-copy{display:flex;flex-direction:column;gap:0}.brand-copy b{font-size:17px;font-weight:700;letter-spacing:.20em}.brand-copy small{font:9px var(--mono);letter-spacing:.10em;color:var(--dim)}.top-pills{display:flex;align-items:center;gap:28px}.status-pill{border:1px solid #305a5c;color:#a6e7d2;padding:6px 12px;font:10px var(--mono);letter-spacing:.11em}.status-pill i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#5be6a0;margin-right:8px;box-shadow:0 0 8px #48d995}.mono{font:10px var(--mono);letter-spacing:.1em}.top-version{color:#6a8795}.workspace{min-height:0;flex:1;display:grid;grid-template-columns:330px minmax(0,1fr)}.sidebar{padding:29px 25px 22px 29px;background:linear-gradient(140deg,#0c1a24,#08131e 80%);border-right:1px solid var(--stroke);overflow-y:auto;max-height:calc(100vh - 111px)}.eyebrow{font:10px var(--mono);color:#71b8c5;letter-spacing:.19em}.side-intro h1{font-size:30px;font-weight:600;line-height:1.1;letter-spacing:-.05em;margin:12px 0 10px}.side-intro p{color:#92a8b4;font-size:12px;line-height:1.75;margin:0 0 27px}.section{padding:17px 0 20px;border-top:1px solid #233745}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;font:10px var(--mono);letter-spacing:.14em;color:#d3e7ee}.section-num{font:10px var(--mono);color:#496b78}.section>label{display:block;color:#a6bbc6;margin-bottom:7px;font-size:11px}.section select{width:100%;color:#ccdfeb;background:#111f2a;border:1px solid #2c4856;min-height:36px;padding:0 10px;margin:0 0 13px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#78a4b2 50%),linear-gradient(135deg,#78a4b2 50%,transparent 50%);background-position:calc(100% - 16px) 16px,calc(100% - 11px) 16px;background-size:5px 5px;background-repeat:no-repeat}.section select:last-child{margin-bottom:0}.slider-item{margin-bottom:15px}.slider-item>div{display:flex;align-items:center;justify-content:space-between;margin-bottom:5px}.slider-item label{color:#a0b4c0;font-size:11px}.slider-item output{font:10px var(--mono);color:#8bdaf0}.slider-item input[type=range]{appearance:none;width:100%;height:3px;background:linear-gradient(90deg,#3fb7c9,#243f51);border:0;border-radius:0;accent-color:#60dcf4;cursor:pointer}.slider-item input::-webkit-slider-thumb{appearance:none;width:10px;height:10px;background:#d4faff;border:2px solid #167688;box-shadow:0 0 5px #4ac3d2;border-radius:50%}.slider-item input::-moz-range-thumb{width:10px;height:10px;background:#d4faff;border:2px solid #167688;border-radius:50%}.color-row{display:flex;align-items:center;justify-content:space-between;color:#a0b4c0;font-size:11px}.color-row input{padding:0;width:45px;height:24px;border:1px solid #365866;background:transparent}.action-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.action-grid button,.view-actions button{border:1px solid #315466;background:#102632;color:#d8eff3;padding:11px 6px;transition:background .18s,border-color .18s;font:11px var(--sans)}.action-grid button:hover,.view-actions button:hover{background:#174352;border-color:#4fbad4}.action-grid .primary{background:#8eeaf0;border-color:#8eeaf0;color:#03141d;font-weight:700}.action-grid .primary:hover{background:#c0f7ff}.side-foot{font-size:10px;color:#678594;line-height:1.75;margin-top:12px}.side-foot strong{display:block;font:9px var(--mono);letter-spacing:.09em;color:#7db8bd;margin-top:6px}.main{display:flex;flex-direction:column;min-width:0;padding:28px 30px 15px;gap:19px;background:radial-gradient(ellipse at 60% 45%,#0c1d2c 0,#060f19 75%)}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.viewer-head h2{font-size:21px;font-weight:500;margin:9px 0 0;letter-spacing:-.035em}.viewer-head h2 span{color:#537e90;font-size:13px;font-weight:400;font-family:var(--mono)}.view-actions{display:flex;gap:8px}.view-actions button{padding:9px 15px;min-width:87px}.viewport{position:relative;isolation:isolate;flex:1;min-height:450px;overflow:hidden;background:radial-gradient(ellipse at 55% 40%,#132c3a 0,#070f1b 58%,#050c15);border:1px solid #284454;box-shadow:inset 0 0 110px #07101d,0 12px 44px #0004}.viewport:before,.viewport:after{content:'';position:absolute;width:19px;height:19px;border-color:#6fbaca;border-style:solid;z-index:3;pointer-events:none}.viewport:before{top:0;left:0;border-width:1px 0 0 1px}.viewport:after{bottom:0;right:0;border-width:0 1px 1px 0}.viewport canvas{display:block;width:100%;height:100%}.canvas-veil{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#030b140d,transparent 60%),repeating-linear-gradient(0deg,transparent,transparent 4px,#0001 5px);pointer-events:none}.frame-label{position:absolute;z-index:4;font:9px var(--mono);letter-spacing:.15em;color:#79aebe;pointer-events:none}.top-left{left:22px;top:19px}.top-right{right:22px;top:19px;color:#8ce8b6}.little-square{display:inline-block;width:7px;height:7px;border:1px solid #59b8d0;margin-right:5px}.reticle{position:absolute;left:50%;top:50%;z-index:2;width:42px;height:42px;border:1px solid #7ca0aa3b;border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}.reticle-h,.reticle-v{position:absolute;background:#7ca0aa55}.reticle-h{height:1px;width:58px;left:-9px;top:20px}.reticle-v{width:1px;height:58px;left:20px;top:-9px}.coordinates{position:absolute;z-index:4;bottom:20px;left:21px;font:9px var(--mono);letter-spacing:.09em;color:#7997a9}.coordinates span{color:#4e6e85;margin:0 7px}.viewer-help{position:absolute;z-index:4;bottom:20px;right:20px;font:9px var(--mono);color:#7492a0;letter-spacing:.09em}.bottom-bar{display:flex;align-items:stretch;gap:0;min-height:66px;border:1px solid #273d4c;background:#0c1924}.measure{flex:1;padding:12px 16px;border-right:1px solid #273d4c;min-width:0}.measure small,.sceneback small{display:block;font:9px var(--mono);color:#648594;letter-spacing:.13em;white-space:nowrap}.measure b{font:20px/1.5 var(--mono);color:#d9edf6;letter-spacing:-.04em}.measure span{font:9px var(--mono);color:#507c8f;margin-left:7px}.sceneback{padding:12px 17px;min-width:150px}.swatches{display:flex;gap:9px;margin-top:10px}.swatches button{background:var(--sw);height:16px;width:16px;border:1px solid #8398a0;border-radius:100%;box-shadow:0 0 0 2px transparent}.swatches button.selected{box-shadow:0 0 0 2px #77e6ee}.footer{display:flex;align-items:center;justify-content:space-between;padding:9px 30px;height:39px;border-top:1px solid #1b303d;font:9px var(--mono);color:#527787;letter-spacing:.1em}.toast{position:absolute;left:50%;bottom:55px;transform:translateX(-50%);border:1px solid #46697b;background:#0a1b29ed;padding:8px 13px;color:#c9edf7;z-index:5;font:11px var(--mono)}
@media(max-width:980px){.workspace{grid-template-columns:280px minmax(0,1fr)}.sidebar{padding:22px 18px}.main{padding:22px 18px}.viewer-help{display:none}.measure{padding:12px 9px}.sceneback{min-width:125px;padding:12px 9px}}
@media(max-width:760px){.topbar{padding:0 16px}.top-version{display:none}.workspace{display:flex;flex-direction:column}.sidebar{max-height:none;order:2}.main{order:1;padding:14px}.viewport{min-height:380px}.bottom-bar{flex-wrap:wrap}.measure{flex:1 1 25%}.sceneback{width:100%;border-top:1px solid #273d4c}.footer{padding:9px 13px}.footer span:last-child{display:none}.viewer-head h2{font-size:17px}.view-actions button{padding:8px}.sidebar .section{max-width:none}}