:root{font-family:Arial,Helvetica,sans-serif;color:#eaf7fb;background:#071a24;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh}.demo{max-width:940px;margin:0 auto;padding:26px 24px 34px}.demo-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin:0 auto 18px;max-width:800px}.demo-kicker{font-size:11px;font-weight:800;letter-spacing:.19em;color:#4ec9e5}.demo-heading h1{font-size:25px;margin:7px 0 5px}.demo-heading p{font-size:12px;color:#9db8c4;margin:0}.demo-heading a{font-size:13px;color:#8fddf4;text-decoration:none;white-space:nowrap;margin-bottom:4px}.demo-heading a:hover{text-decoration:underline}.scene{position:relative;isolation:isolate;width:600px;height:600px;margin:auto;overflow:hidden;border-radius:18px;background:linear-gradient(118deg,#82979d 0%,#566f73 38%,#344e54 100%);box-shadow:0 30px 90px #00131db3,0 0 0 1px #718d96}.scene:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 78px,#e0e9e814 79px 81px),linear-gradient(0deg,#142b32b3 0%,transparent 46%);filter:blur(1px)}.scene-unit{position:absolute;left:66px;top:160px;width:393px;height:300px;background:linear-gradient(135deg,#d9e2df,#91a7ab 70%,#6e858b);border:7px solid #536a71;border-radius:12px;box-shadow:25px 25px 38px #17282da6;transform:perspective(900px) rotateY(-9deg)}.scene-grille{position:absolute;inset:21px 22px 36px;border:3px solid #738d92;background:repeating-linear-gradient(0deg,#667f83 0 2px,#bccbca 3px 9px)}.scene-fan{position:absolute;left:112px;top:43px;width:200px;height:200px;border:12px solid #435c63;border-radius:50%;box-shadow:0 0 0 2px #9cabad,0 0 0 12px #82989c88;background:repeating-conic-gradient(#506a6f 0 12deg,#9eb2b2 14deg 28deg)}.scene-fan:after{content:"";position:absolute;width:42px;height:42px;left:calc(50% - 21px);top:calc(50% - 21px);border-radius:50%;background:#aec3c0}.scene-badge{position:absolute;left:22px;bottom:11px;font-size:12px;letter-spacing:.2em;font-weight:800;color:#266788}.scene-pipe{position:absolute;width:215px;height:15px;right:-54px;bottom:122px;background:#93a8a7;transform:rotate(-20deg);box-shadow:0 17px 0 #6f8587}.glass-viewport{position:absolute;inset:0;width:600px;height:600px;display:flex;flex-direction:column;overflow:hidden;outline:0;background:#020e1680;box-shadow:inset 0 0 0 1px #ffffff38;color:#f2fbff}.glass-status{height:43px;flex:0 0 43px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;background:#02141fd9;border-bottom:1px solid #6ed8ed55;font-size:12px;letter-spacing:.07em}.glass-status strong{color:#fff;letter-spacing:.12em}.glass-status strong span{font-weight:400;color:#95d4e4}.glass-status>span{color:#b7e7ef;font-weight:700}.glass-heading{padding:17px 24px 12px;flex:0 0 87px;text-shadow:0 2px 8px #001019}.glass-heading>span{font-size:10px;color:#63e4ff;font-weight:800;letter-spacing:.17em}.glass-heading h2{font-size:23px;line-height:1.1;margin:5px 0 3px}.glass-heading p{font-size:11px;color:#bed6dd;margin:0}.diagram-frame{position:relative;display:flex;align-items:center;justify-content:center;flex:1;min-height:0;overflow:hidden;background:#0010199c;border-top:1px solid #d4f4f519;border-bottom:1px solid #d4f4f519;touch-action:none;cursor:grab}.diagram-frame:active{cursor:grabbing}.diagram-frame img{display:block;width:100%;height:100%;object-fit:contain;filter:invert(1) contrast(1.55);mix-blend-mode:screen;transform-origin:center;user-select:none;pointer-events:none}.diagram-loading{position:absolute;background:#052c3ad9;border-radius:8px;padding:9px 13px;font-size:13px}.diagram-loading[hidden]{display:none}.answer-card{padding:11px 22px;background:#062c3df0;border-top:1px solid #49cbeb;max-height:143px;overflow:auto;flex:0 0 auto}.answer-card[hidden]{display:none}.answer-label{display:flex;align-items:center;gap:7px;color:#75e5ff;font-size:10px;letter-spacing:.15em}.answer-label>span{font-size:16px}.answer-label button{margin-left:auto;border:0;color:#b7e9f5;background:transparent;font-size:19px;line-height:16px;cursor:pointer}.answer-card p{font-size:14px;line-height:1.35;margin:5px 0;color:white}.answer-card small{font-size:10px;color:#a4d2dc}.view-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:8px 18px;background:#031924e6;flex:0 0 48px}.view-tabs button{border:1px solid #5894a38a;border-radius:7px;background:#082d3a;color:#c6e3ea;font-size:13px;font-weight:700;cursor:pointer}.view-tabs button[aria-selected="true"]{background:#0e91bc;border-color:#54d2f1;color:#fff}.view-tabs button:focus-visible,.control-group button:focus-visible,.glass-composer button:focus-visible{outline:2px solid #ffea9d;outline-offset:2px}.glass-composer{height:51px;flex:0 0 51px;display:flex;align-items:center;gap:7px;padding:5px 18px 8px;background:#031924e6}.glass-composer input{min-width:0;flex:1;height:38px;background:#0d3340;border:1px solid #5e9daf;border-radius:7px;padding:0 11px;color:#fff;font-size:14px;outline:0}.glass-composer input::placeholder{color:#9ec8d1}.glass-composer button{height:38px;width:43px;border:0;border-radius:7px;background:#13a5d0;color:white;font-size:18px;cursor:pointer}.glass-composer button:disabled{opacity:.5}.glass-footer{height:28px;flex:0 0 28px;padding:0 23px;display:flex;align-items:center;justify-content:space-between;background:#031924e6;color:#9ecad3;font-size:10px}.demo-controls{max-width:600px;margin:18px auto 0}.control-group{display:flex;gap:8px;flex-wrap:wrap}.control-group button{background:#123846;color:#dff6fa;border:1px solid #426d7b;border-radius:7px;padding:9px 12px;font-size:12px;font-weight:700;cursor:pointer}.control-group button:hover{background:#186181}.demo-controls p{color:#a6c0c9;font-size:12px;line-height:1.5}.login-backdrop{position:fixed;inset:0;display:grid;place-items:center;background:#03131fe8;z-index:10;padding:18px}.login-backdrop.hidden{display:none}.login-card{width:min(100%,380px);padding:30px;background:#f6fbfd;color:#173444;border-radius:14px;box-shadow:0 22px 60px #0008}.login-card strong{font-size:12px;letter-spacing:.14em;color:#007eaf}.login-card h2{margin:16px 0 5px;font-size:23px}.login-card p{font-size:13px;line-height:1.5;color:#607b89}.login-card input{display:block;width:100%;height:43px;margin:16px 0 12px;padding:0 12px;border:1px solid #9fbac6;border-radius:7px;font-size:16px}.login-card button{width:100%;height:42px;border:0;border-radius:7px;background:#078ec2;color:white;font-weight:800;cursor:pointer}.login-card #loginError{min-height:19px;color:#ac3535;margin-bottom:0}@media(max-width:650px){body{height:100dvh;overflow:hidden}.demo{padding:0;max-width:none}.demo-heading,.demo-controls,.scene-unit,.scene-pipe{display:none}.scene{width:100vw;height:100dvh;border-radius:0;box-shadow:none;background:#000}.scene:before{display:none}.glass-viewport{width:100vw;height:100dvh;background:#020e16}.glass-status{padding:0 16px}.glass-heading{padding:14px 17px 9px}.glass-composer{padding-left:12px;padding-right:12px}.view-tabs{padding-left:12px;padding-right:12px}}