:root{--ink:#253b33;--muted:#778178;--paper:#f6f5ee;--line:#dddfd4;--green:#365a46;--orange:#cf754f;--gold:#b99342;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid #d49356;outline-offset:4px}button:disabled{cursor:default}button[hidden],[hidden]{display:none!important}.shell{max-width:1512px;margin:0 auto;padding:0 52px}.topbar{height:94px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{font-family:Georgia,serif;font-size:29px;text-decoration:none;letter-spacing:-1px;color:var(--ink);display:flex;align-items:center;gap:9px}.brand i{font-size:23px;color:#819081}.brand-dot{font-family:Arial;font-size:9px;align-self:flex-start;margin-top:6px;margin-left:-4px}.brand-icon{display:inline-block;font-family:Arial;font-size:29px;color:var(--orange);transform:rotate(-35deg);margin-right:3px}.top-note{font-size:11px;letter-spacing:.3px;display:flex;gap:8px;align-items:center;color:#727d71}.green-dot{height:6px;width:6px;display:inline-block;background:#708c66;border-radius:50%;flex-shrink:0}.quiet-button{border:0;background:transparent;color:var(--ink);font-size:12px;padding:12px 0}.quiet-button span{margin-left:18px;font-size:18px}.intro{display:flex;justify-content:space-between;align-items:center;padding:38px 0 32px;gap:24px}.eyebrow{font-size:9px;letter-spacing:1.75px;font-weight:600;margin:0;color:#728074}.intro h1{font-family:Georgia,serif;font-size:clamp(29px,3.1vw,46px);letter-spacing:-1.8px;font-weight:400;margin:14px 0 0;line-height:1.2}.intro h1 em{color:#7c8a67;font-weight:400}.intro-copy{font-size:12px;line-height:1.8;color:#7c8378;margin:16px 3px 0 0}.game-layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:22px;align-items:stretch}.flight-stage{position:relative;min-height:610px;background:#d5e3d1;border:1px solid #cad3c3;border-radius:9px;overflow:hidden;isolation:isolate}.flight-stage canvas{position:absolute;width:100%;height:100%;inset:0;touch-action:none;outline-offset:-4px;cursor:crosshair}.stage-grain{position:absolute;inset:0;pointer-events:none;opacity:.08;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23000' filter='url(%23n)' opacity='.5' d='M0 0h180v180H0z'/%3E%3C/svg%3E")}.stage-top{position:absolute;top:22px;left:23px;right:23px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.location-tag{font-size:8px;font-weight:bold;letter-spacing:1.5px;border:1px solid #6a836632;border-radius:20px;padding:10px 13px;display:flex;align-items:center;gap:8px;background:#f5f6eb70;backdrop-filter:blur(6px)}.stage-actions{display:flex;align-items:center;gap:10px;pointer-events:auto}.best-tag{font-size:8px;letter-spacing:1px;color:#53674c}.best-tag b{font-size:12px;margin-left:5px;font-weight:500}.round-button{border:1px solid #8c9b7b66;border-radius:50%;background:#f3f4e4bb;color:var(--ink);width:32px;height:32px;font-size:15px}.welcome-copy{position:absolute;top:105px;left:43px;pointer-events:none}.tiny-label{font-size:7px;letter-spacing:1.7px;color:#657852}.welcome-copy h2{font-family:Georgia,serif;font-size:clamp(38px,4.5vw,64px);font-weight:400;letter-spacing:-2.5px;line-height:1.07;margin:18px 0;color:#304c3b}.welcome-copy p{font-size:11px;line-height:1.7;color:#6c7d61}.stage-bottom{position:absolute;bottom:21px;left:24px;right:24px;display:flex;justify-content:space-between;gap:15px;font-size:9px;letter-spacing:.4px;color:#f6f5e9;pointer-events:none;text-shadow:0 1px 3px #31492b66}.stage-bottom span:last-child{font-style:italic}.workshop{padding:25px 23px 18px;border:1px solid var(--line);border-radius:9px;background:#fbfaf4}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}.panel-heading .eyebrow{font-size:8px;letter-spacing:1.6px}.step-pill{border:1px solid var(--line);border-radius:12px;padding:5px 8px;font-size:8px;color:#8b917e}.workshop h2{font-family:Georgia,serif;font-weight:400;font-size:25px;letter-spacing:-.7px;margin:17px 0 8px}.panel-copy{font-size:10px;color:#889082;line-height:1.7;margin:0}.paper-preview{height:172px;margin:20px 0 20px;background-color:#f0efe5;border-radius:5px;position:relative;overflow:hidden;background-image:linear-gradient(#8996760a 1px,transparent 1px),linear-gradient(90deg,#8996760a 1px,transparent 1px);background-size:16px 16px}.paper-preview canvas{width:100%;height:145px;display:block}.paper-caption{position:absolute;bottom:12px;width:100%;text-align:center;font-size:8px;letter-spacing:.3px;color:#8c9581}.options-heading{font-size:10px;font-weight:600;margin-top:18px}.options-heading>span{color:#a4ac9b;font-size:8px;display:inline-block;width:22px}.paper-colors{display:flex;align-items:center;gap:9px;margin:12px 0 20px}.color-swatch{width:23px;height:23px;border-radius:50%;border:3px solid #fbfaf4;box-shadow:0 0 0 1px transparent;background:var(--swatch);padding:0}.color-swatch.selected{box-shadow:0 0 0 1px #627252}.paper-colors>span{font-size:9px;color:#87907c;margin-left:5px}.plane-types{display:flex;gap:6px;margin-top:12px}.design-button{flex:1;padding:9px 0;border:1px solid var(--line);border-radius:4px;background:transparent;color:#818a7b;font-size:10px;transition:background .15s}.design-button.selected{border-color:#a0ac92;background:#eaf0e1;color:#3a5438}.design-description{color:#8a927f;font-size:9px;line-height:1.7;margin:9px 0 18px;min-height:16px}.fold-instruction{display:flex;gap:9px;align-items:center;margin:19px 0 16px}.fold-number{display:grid;place-items:center;border:1px solid #d7dbcc;background:#f1f2e7;border-radius:50%;width:26px;height:26px;font-family:Georgia;font-size:12px;color:#6f805c}.fold-instruction strong{display:block;font-size:10px;font-weight:500}.fold-instruction div>span{display:block;font-size:9px;color:#8c9484;margin-top:4px}.primary-button{width:100%;display:flex;align-items:center;justify-content:space-between;border:0;border-radius:5px;padding:14px 16px;font-size:11px;color:#fffdf2;background:var(--green);transition:background .18s,transform .18s}.primary-button:hover{background:#264835;transform:translateY(-1px)}.primary-button>span{font-size:17px;line-height:15px}.workshop-foot{text-align:center;font-size:8px;color:#939b89;margin:12px 0 0}.controls-strip{display:flex;align-items:center;justify-content:space-between;padding:21px 4px 23px;gap:20px;border-bottom:1px solid var(--line)}.controls-strip>div{display:flex;align-items:center;gap:11px}.control-icon{font-size:22px;font-family:Georgia;color:#7e8d70}.mouse-icon{font-family:Arial;font-size:28px}.controls-strip p{margin:0;font-size:10px}.controls-strip b{font-weight:500;display:block;margin-bottom:5px}.controls-strip p>span{display:block;color:#959c8b;font-size:9px}.keyboard-note{font-size:8px;color:#949c8a}kbd{font:8px Arial;border:1px solid #dadfd0;background:#efeee6;padding:3px 5px;border-radius:3px;display:inline-block;margin-left:3px}footer{display:flex;justify-content:space-between;color:#99a08f;padding:20px 0 25px;font-size:7px;letter-spacing:1.1px}footer>span:last-child{font-size:10px;letter-spacing:0}footer i{font-family:Georgia;font-size:12px;color:#79896b}.flight-hud{position:absolute;top:79px;left:25px;right:25px;display:flex;gap:31px;pointer-events:none}.flight-hud>div>span{font-size:7px;letter-spacing:1.25px;color:#6e7f65}.flight-hud b{display:block;font-family:Georgia;font-size:29px;font-weight:400;color:#334c37;margin-top:4px;font-variant-numeric:tabular-nums}.flight-hud small{font:11px Arial;color:#657d5e}.flight-hud .gold-text{color:#987329}.live-pill{font-size:7px;letter-spacing:1px;color:#647e54;background:#e7efdf;padding:5px 7px;border-radius:10px}.flight-instrument{padding:26px 0 21px;border-bottom:1px solid var(--line);margin-bottom:23px}.flight-instrument>div{display:flex;align-items:baseline;margin-top:10px;gap:5px}.flight-instrument b{font-family:Georgia;font-size:52px;letter-spacing:-2px;font-weight:400}.flight-instrument div>span{color:#95a085;font-size:11px}.flight-instrument i{margin-left:auto;font-size:7px;letter-spacing:1px;font-style:normal;color:var(--orange)}.flight-instrument .wind-lines{color:#d7ddcc;letter-spacing:10px;font-size:22px;margin:0}.meter-label{display:flex;justify-content:space-between;font-size:10px;color:#6b7a5e}.meter-label span:last-child{font-size:9px;color:#9ca68f}.boost-meter{margin:11px 0 8px;background:#e8ebdf;height:5px;border-radius:5px;overflow:hidden}.boost-meter>div{height:100%;background:#c8a057;width:100%;transition:width .1s linear}.meter-hint{font-size:8px;color:#929b86;margin:0}.integrity-row{display:flex;justify-content:space-between;font-size:10px;align-items:center;margin:23px 0;padding-bottom:22px;border-bottom:1px solid var(--line)}.integrity-row span:last-child{font-size:22px;letter-spacing:3px;color:#7c9464}.route>.eyebrow{display:block;margin-bottom:19px}.route-stop{display:flex;gap:15px;position:relative;margin-bottom:21px;padding-left:3px;opacity:.45}.route-stop:after{content:'';position:absolute;height:27px;top:12px;left:6px;border-left:1px dashed #adb69f}.route-stop:last-child:after{display:none}.route-stop.current,.route-stop.passed{opacity:1}.route-stop i{width:7px;height:7px;border:1px solid #a2ac96;border-radius:50%;margin-top:3px}.route-stop.current i{background:#72965b;border-color:#72965b;box-shadow:0 0 0 4px #e7eddf}.route-stop b{font-size:11px;font-weight:500;display:block}.route-stop span{font-size:8px;color:#8e9981;display:block;margin-top:5px}.star-tip{display:flex;gap:10px;align-items:center;background:#f2efdf;padding:8px 12px;border-radius:5px;margin-top:22px}.star-tip>span{color:#bb994e;font-size:23px}.star-tip p{font-size:9px;line-height:1.7;color:#939075;margin:0}.zone-toast{position:absolute;top:28%;left:50%;transform:translate(-50%,-5px);background:#f8f6e8e8;padding:13px 20px;border-radius:5px;font-family:Georgia;font-size:20px;color:#526641;opacity:0;transition:opacity .4s,transform .4s;pointer-events:none;text-align:center;white-space:nowrap}.zone-toast.visible{opacity:1;transform:translate(-50%,0)}.game-overlay{position:absolute;inset:0;background:#293b325c;backdrop-filter:blur(7px);display:grid;place-items:center;padding:20px}.overlay-card{background:#f9f7eb;border:1px solid #ffffff91;border-radius:9px;padding:33px;max-width:360px;width:100%;box-shadow:0 20px 80px #253b3330;text-align:center}.overlay-card h2{font-family:Georgia;font-size:32px;font-weight:400;letter-spacing:-1px;line-height:1.15;margin:20px 0 13px}.overlay-card p{font-size:11px;color:#849178;line-height:1.8;margin-bottom:22px}.text-button{background:none;border:0;color:#89927c;font-size:10px;padding:17px 0 0;text-decoration:underline;text-underline-offset:4px}.result-stats{display:flex;justify-content:center;gap:30px;margin:23px 0 26px}.result-stats b{font:30px Georgia;display:block}.result-stats span{font-size:8px;color:#9aa08a;display:block;margin-top:5px;letter-spacing:1px}dialog{border:1px solid #d8decb;border-radius:10px;background:#f9f7ec;max-width:450px;width:calc(100% - 32px);padding:35px;color:var(--ink);box-shadow:0 30px 100px #1b302830}dialog::backdrop{background:#233c386e;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:12px;top:12px}dialog h2{font:31px Georgia;letter-spacing:-1px}dialog ol{padding-left:18px;font-size:12px;line-height:1.8;color:#6d7d61}dialog li{margin-bottom:9px}dialog p{font-size:11px;color:#8a967c;line-height:1.8;margin:22px 0}body.is-boosting .flight-stage{border-color:#c4a55d}
@media(min-width:1500px){.flight-stage{min-height:650px}.paper-preview{height:192px}.paper-preview canvas{height:165px}}
@media(max-width:1100px){.shell{padding:0 28px}.game-layout{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.workshop{padding:23px 19px 18px}.keyboard-note{display:none}.intro-copy{font-size:11px}.welcome-copy{left:29px}.welcome-copy h2{font-size:47px}.flight-stage{min-height:610px}.top-note{font-size:9px}}
@media(max-width:760px){.shell{padding:0 17px}.topbar{height:74px}.brand{font-size:25px}.top-note{display:none}.quiet-button{font-size:10px}.intro{padding:26px 0 23px}.intro h1{font-size:29px;letter-spacing:-1px}.eyebrow{font-size:7px;letter-spacing:1.2px}.intro-copy{display:none}.game-layout{grid-template-columns:1fr}.flight-stage{min-height:430px;aspect-ratio:1.2}.workshop{padding:23px}.paper-preview{height:175px}.paper-preview canvas{height:149px}.welcome-copy{top:94px}.welcome-copy h2{font-size:45px}.welcome-copy p{font-size:10px}.stage-top{left:15px;right:15px;top:17px}.location-tag{font-size:7px}.stage-bottom{left:15px;right:15px;font-size:8px}.controls-strip{gap:12px;align-items:flex-start}.controls-strip>div{gap:7px}.controls-strip b{font-size:8px}.controls-strip p>span{font-size:8px;line-height:1.5}.control-icon{font-size:18px}footer{font-size:6px;gap:20px;line-height:1.6}footer>span:last-child{font-size:8px;text-align:right}footer i{font-size:10px}.flight-hud{gap:24px;left:19px;top:75px}.flight-hud b{font-size:27px}.mode-flight .flight-stage{min-height:520px;aspect-ratio:auto}.mode-flight .workshop{padding:20px}.mode-flight .flight-instrument{padding:16px 0;margin-bottom:18px}.mode-flight .route{display:none}.mode-flight .star-tip{margin-top:10px}.mode-flight .integrity-row{margin:20px 0 0}.mode-flight .flight-instrument b{font-size:40px}.mode-flight .flight-instrument .wind-lines{display:none}.zone-toast{font-size:17px;padding:11px 14px}.best-tag{font-size:7px}.stage-actions{gap:6px}}
.flight-stage{min-width:0}
.build-shortcut{display:none;border:1px solid #82947466;border-radius:4px;background:#f3f3de99;color:#506543;padding:10px 12px;font-size:10px;gap:15px;pointer-events:auto}
@media(max-width:760px){.game-layout{grid-template-columns:minmax(0,1fr)}.flight-stage{width:100%}.controls-strip{flex-wrap:wrap}.build-shortcut{display:inline-flex}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}