:root{--bg: #10141c;--panel: #1a2130;--panel-2: #232c3f;--text: #e8edf6;--muted: #8b96ab;--accent: #ffd166;--good: #2ecc71;--bad: #ff6b6b;--radius: 14px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}#app{max-width:560px;margin:0 auto;padding:12px;min-height:100%;display:flex;flex-direction:column;justify-content:center}.screen{display:flex;flex-direction:column;gap:14px}.hidden{display:none!important}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.screen:not(.hidden){animation:fade-in .25s ease}.stage-wrap,.timer-wrap,.prompt,.pad,.answer-control{transition:opacity .18s ease}.stage-wrap.fading,.timer-wrap.fading,.prompt.fading,.pad.fading,.answer-control.fading{opacity:0}@media(prefers-reduced-motion:reduce){.screen:not(.hidden){animation:none}.stage-wrap,.timer-wrap,.prompt,.pad,.answer-control{transition:none}}#screen-start{position:relative;padding-inline:40px}#screen-start .logo{font-size:clamp(1.4rem,5vw,2.4rem)}.logo-wrap{position:relative}.logo{font-size:2.4rem;letter-spacing:-.5px;text-align:center}.logo-accent{color:var(--accent)}.start-aliens{position:absolute;inset:0;pointer-events:none}.start-alien{position:absolute;pointer-events:auto;width:34px;height:34px;opacity:.85}.start-alien img{position:absolute;inset:0;width:100%;height:100%;transition:opacity .2s ease}.start-alien .alien-open,.start-aliens.awake .alien-closed,.start-alien:hover .alien-closed{opacity:0}.start-aliens.awake .alien-open,.start-alien:hover .alien-open{opacity:1}@media(prefers-reduced-motion:reduce){.start-alien img{transition:none}}.tagline{text-align:center;color:var(--muted);font-size:1.05rem;line-height:1.5}.rules{list-style:none;background:var(--panel);border:1px solid var(--panel-2);border-radius:var(--radius);padding:14px 18px;display:grid;gap:8px;color:var(--muted);font-size:.95rem}.rules li{padding-left:1.3em;position:relative}.rules li:before{content:"✦";position:absolute;left:0;color:var(--accent);opacity:.8}.rules b{color:var(--text)}.rules em{color:var(--accent);font-style:normal}.btn-primary{background:var(--accent);color:#1a1400;border:none;border-radius:999px;padding:14px 0;font-size:1.1rem;font-weight:700;cursor:pointer;transition:transform .08s ease,filter .15s ease}.btn-primary:hover{filter:brightness(1.08)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:transparent;color:var(--text);border:1px solid var(--panel-2);border-radius:999px;padding:12px 0;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .08s ease,border-color .15s ease}.btn-secondary:hover{border-color:var(--accent)}.btn-secondary:active{transform:scale(.98)}.btn-icon{font-size:1.6rem;line-height:1;padding-top:10px;padding-bottom:10px}.btn-icon .btn-svg{width:1.15em;height:1.15em;fill:currentColor;vertical-align:-.2em}.practice-list{display:grid;gap:8px}.practice-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:var(--panel);border:1px solid var(--panel-2);border-radius:var(--radius);padding:10px 16px;color:var(--text);text-align:left;cursor:pointer;transition:border-color .15s ease}.practice-item:hover{border-color:var(--accent)}.practice-item .practice-item-name{font-weight:700}.practice-item .practice-item-desc{color:var(--muted);font-size:.85rem}.practice-item .practice-item-level{color:var(--muted);font-size:.75rem;opacity:.8}.practice-badge{color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:.04em}.practice-back{font-size:1.1rem}.btn-donate{display:block;text-align:center;text-decoration:none;background:transparent;border:1px solid var(--panel-2);color:var(--muted);border-radius:999px;padding:12px 0;font-size:1rem;font-weight:600;cursor:pointer;transition:color .15s ease,border-color .15s ease}.btn-donate:hover{color:var(--text);border-color:var(--accent)}.btn-donate:active{transform:scale(.98)}.menu-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}.menu-links .btn-donate{display:flex;align-items:center;justify-content:center;flex:0 0 72px;height:48px;padding:8px}.menu-icon{display:block;width:32px;height:32px}.donate-icon{width:48px}.btn-donate:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.btn-discord:hover{color:var(--text);border-color:#5865f2}.btn-mute{display:block;margin:0 auto;background:transparent;border:1px solid var(--panel-2);color:var(--muted);border-radius:999px;width:44px;height:44px;font-size:1.15rem;cursor:pointer;transition:color .15s ease,border-color .15s ease}.btn-mute:hover{color:var(--text);border-color:var(--accent)}.btn-mute:active{transform:scale(.96)}.btn-mute.muted{color:var(--bad);border-color:var(--bad)}.audio-icon{display:block;width:23px;height:23px;margin:auto}.sound-row>.btn-mute{color:#ffd166;background:linear-gradient(145deg,#303248,#1a2130);box-shadow:inset 0 1px #ffffff12,0 3px 8px #0003}.sound-row>.btn-mute.muted{color:#ff8196}.music-control{display:inline-flex;align-items:center;border:1px solid #3a4260;border-radius:999px;background:linear-gradient(145deg,#293449,#1a2130);box-shadow:inset 0 1px #ffffff12,0 3px 8px #0003;overflow:hidden}.music-control .btn-mute{border:0;border-radius:0;background:transparent}.music-control .btn-mute:first-child{color:#76dfd2;width:42px;height:42px;flex:none}.music-control .btn-mute:first-child.muted{color:#ff8196}.music-control .btn-preset{border-left:1px solid #ffffff12;height:42px;color:#dbe5f8;padding:0 12px}.music-control .btn-mute:hover{background:#ffffff09}.sound-row .btn-mute:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.sound-row{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:4px}.sound-row-game{margin:0 0 0 auto}.sound-row .btn-mute{margin:0}.music-vol{width:80px;accent-color:var(--accent);cursor:pointer}.btn-preset{width:auto;min-width:44px;padding:0 12px;font-size:.85rem;font-weight:600;letter-spacing:.02em}.highscore-form{display:grid;gap:10px}.highscore-form input{width:100%;padding:12px;border:1px solid var(--muted);border-radius:var(--radius);background:var(--panel);color:var(--text);font:inherit}.highscore-list{list-style:none;display:grid;gap:4px;background:var(--panel);border:1px solid var(--panel-2);border-radius:var(--radius);padding:10px 14px;font-size:.95rem}.highscore-list:empty{display:none}.score-row{display:grid;grid-template-columns:2.5em auto 1fr;gap:8px;align-items:baseline;padding:3px 6px;border-radius:8px}.score-row.scored{background:#ffd16624}.score-rank{color:var(--muted);font-variant-numeric:tabular-nums}.score-level{color:var(--text);font-weight:700}.score-name{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-row.scored .score-rank,.score-row.scored .score-name{color:var(--text)}.score-empty{color:var(--muted);text-align:center}.board-nav{display:grid;gap:6px;justify-items:center}.board-tabs{display:flex;gap:4px;padding:3px;background:var(--panel);border:1px solid var(--panel-2);border-radius:999px}.board-tab{min-height:36px;padding:0 14px;border:0;border-radius:999px;background:transparent;color:var(--muted);font:inherit;font-size:.9rem;cursor:pointer}.board-tab[aria-pressed=true]{background:var(--panel-2);color:var(--accent);font-weight:700}.board-period{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;width:100%;max-width:320px}.board-label{color:var(--text);font-size:.9rem;text-align:center}.board-step{width:44px;height:44px;border:0;border-radius:999px;background:transparent;color:var(--text);font-size:.9rem;cursor:pointer}.board-step:disabled{color:var(--panel-2);cursor:default}.board-tab:focus-visible,.board-step:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hud{display:flex;justify-content:space-between;align-items:center}.hud-left{display:flex;align-items:baseline;gap:10px}.hud-right{display:flex;align-items:center;gap:12px}.level{color:var(--text);font-weight:700;font-size:.95rem;text-transform:uppercase;letter-spacing:.08em}.prompt-row{display:flex;justify-content:center}.prompt:empty{visibility:hidden}.prompt{background:var(--panel);border:1px solid var(--panel-2);border-radius:999px;padding:10px 22px;font-size:1.15rem;text-align:center}.prompt{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:2.4em}.prompt .pi{height:2em;width:2em;flex:none;display:block}.prompt .pi-ghost{width:2.4em}.prompt .pi-sil{-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}.prompt .pi-q{font-size:2em;font-weight:900;line-height:1}.prompt .pi-lv{font-weight:700;font-size:1.25rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text)}.prompt .pi-eye-lid{transform-origin:20px 20px;animation:pi-blink 3s ease-in-out infinite}@keyframes pi-blink{0%,84%,to{transform:scaleY(1)}92%{transform:scaleY(.08)}}@media(prefers-reduced-motion:reduce){.prompt .pi-eye-lid{animation:none}}.timer-wrap{position:relative;height:6px;background:var(--panel-2);border-radius:999px}.timer{height:100%;width:100%;background:var(--good);border-radius:999px;overflow:hidden;transition:width .25s linear,background-color .3s ease}.timer-rocket{position:absolute;top:50%;left:100%;transform:translate(-50%,-50%) rotate(90deg);font-size:15px;line-height:1;pointer-events:none;transition:left .25s linear}.timer-rocket.urgent{animation:rocket-wobble .4s ease-in-out infinite}@keyframes rocket-wobble{0%,to{transform:translate(-50%,-50%) rotate(90deg) scale(1)}50%{transform:translate(-50%,-55%) rotate(96deg) 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var(--panel-2)}.changelog-version-header{color:var(--accent);font-size:1.05rem;display:flex;justify-content:space-between;gap:10px}.changelog-date{color:var(--muted);font-weight:500;font-size:.85rem}.changelog-summary{color:var(--muted);font-size:.9rem;margin:4px 0 8px}.changelog-section{color:var(--accent);font-size:.9rem;margin-top:10px}.changelog-list{margin:4px 0 0 18px;font-size:.9rem}.changelog-list li+li{margin-top:3px}.changelog-commits-details{margin-top:12px;font-size:.8rem}.changelog-commits-summary{cursor:pointer;color:var(--muted)}.changelog-commits-list{list-style:none;margin-top:6px}.changelog-commit{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:.72rem;color:var(--muted);padding:2px 0}.level-banner{position:absolute;left:0;right:0;top:38%;z-index:50;padding:.5em 0;text-align:center;pointer-events:none;color:#fff;background:linear-gradient(90deg,#783cdc00,#783cdce6 15% 85%,#783cdc00);animation:level-banner-slide 1.6s ease-in-out 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.mark-x path{fill:none;stroke:#e01e1e;stroke-width:14;stroke-linecap:round;filter:drop-shadow(0 0 1.5px #fff) drop-shadow(0 0 1.5px #fff) drop-shadow(0 2px 4px rgba(0,0,0,.6))}.option-btn .mark-x.still{animation:none}@keyframes mark-stamp{0%{transform:scale(1.6) rotate(-12deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}.option-btn.mark-pulse,.option-btn.mark-steady{background:var(--good);border-color:var(--good);color:#06230f;opacity:1;box-shadow:0 0 22px #2ecc7180}.option-btn.mark-pulse{animation:mark-pulse .6s ease-in-out 2}@keyframes mark-pulse{0%,to{transform:scale(1);box-shadow:0 0 22px #2ecc7180}50%{transform:scale(1.06);box-shadow:0 0 34px 6px #2ecc71e6}}.fx-flash{position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;box-shadow:inset 0 0 0 3px #ff3c3cf2,inset 0 0 28px 6px #ff2828bf;opacity:0;animation:fx-flash-pulse .45s ease-out forwards}.fx-flash-soft{box-shadow:inset 0 0 0 2px #ff3c3c99,inset 0 0 18px 2px #ff282866;animation:fx-flash-soft .9s 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-2);border-radius:50%;background:#9aa0a6;opacity:0;pointer-events:none;z-index:61;animation:rocket-puff .5s ease-out forwards}@keyframes rocket-puff{0%{opacity:0;transform:translate(0) scale(.3)}25%{opacity:.8}to{opacity:0;transform:translate(var(--dx, 0),var(--dy, -10px)) scale(1.8)}}@keyframes rocket-puff-still{0%,to{opacity:0}40%{opacity:.7}}@media(prefers-reduced-motion:reduce){.rocket-puff{animation:rocket-puff-still .7s ease-out forwards}}.demo-overlay{position:absolute;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;background:#080a10f5;cursor:pointer}.demo-card{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;width:min(86%,460px);min-height:60%;padding:22px 18px;background:var(--panel);border:1px solid var(--panel-2);border-radius:22px;box-shadow:0 12px 40px #0000008c;color:var(--text);overflow:hidden;animation:d-card-in .25s ease-out both}@keyframes d-card-in{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}.demo-card .d-skip{position:absolute;right:12px;bottom:6px;font-size:1.4rem;color:var(--muted);opacity:.7}.demo-card .d-row{display:flex;align-items:center;justify-content:center;gap:14px;min-height:3.6rem}.demo-card .d-item{display:inline-flex;align-items:center}.demo-card .d-row .pi{height:3.2rem;width:3.2rem;flex:none;display:block}.demo-card .d-row .pi-ghost{width:3.8rem}.demo-card .pi-sil{-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center}.demo-card .pi-q{font-size:3.2rem;font-weight:900;line-height:1}.demo-card .pi-lv{font-weight:800;font-size:2.2rem;letter-spacing:.08em}.demo-card .d-big{font-size:3rem;font-weight:900;line-height:1}.demo-card .d-eye .pi-eye-lid{transform-origin:20px 20px;animation:d-close .35s ease-in 1s both}@keyframes d-close{0%{transform:scaleY(1)}to{transform:scaleY(.08)}}.demo-card .d-line{display:flex;align-items:flex-end;justify-content:center;gap:12px}.demo-card .d-cell{position:relative;display:inline-flex;flex-direction:column;align-items:center;width:56px}.demo-card .d-al{width:52px;height:52px;display:block}.demo-card .d-badge{margin-top:4px;min-width:26px;padding:0 6px;border-radius:999px;background:var(--accent);color:#2b2100;font-weight:900;text-align:center}.demo-card .d-x{position:absolute;top:-4px;right:-2px;color:var(--bad);font-weight:900;font-size:1.5rem}.demo-card .d-field{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:220px}.demo-card .d-stack{display:grid;place-items:center}.demo-card .d-stack>*{grid-area:1 / 1}.demo-card .d-slot{width:52px;height:52px;display:inline-flex;align-items:center;justify-content:center}.demo-card .d-slot .pi{width:44px;height:44px}.demo-card .d-ghostbox{position:absolute;left:4px;top:4px;width:44px;height:44px;border:3px dashed var(--text);border-radius:12px;animation:d-fade .4s ease-out both}.demo-card .d-pop{animation:d-pop .4s cubic-bezier(.3,1.6,.5,1) both}.demo-card .d-shake{animation:d-pop .3s ease-out both,d-shake .5s ease-in-out .5s both}.demo-card .d-lit{animation:d-lit .5s ease-out both}.demo-card .d-dim{animation:d-dim .5s ease-out both}.demo-card .d-slideout{animation:d-slideout .8s ease-in both}.demo-card .d-fadeout{animation:d-fadeout .6s ease-in both}.demo-card .d-toghost{animation:d-fadeout .4s ease-in both}.demo-card .d-blank{animation:d-blank 1.4s linear .8s both}.demo-card .d-comeback{animation:d-fade .3s ease-out 1.4s both}.demo-card .d-flashback{animation:d-fade .3s ease-out 1.9s both}.demo-card .d-drift{animation:d-drift 1.6s ease-in-out infinite alternate}.demo-card .d-drift-b{animation-direction:alternate-reverse}@keyframes d-pop{0%{opacity:0;transform:scale(.2)}to{opacity:1;transform:scale(1)}}@keyframes d-fade{0%{opacity:0}to{opacity:1}}@keyframes d-shake{0%,to{transform:translate(0)}25%{transform:translate(-7px)}75%{transform:translate(7px)}}@keyframes d-lit{to{transform:scale(1.18);filter:drop-shadow(0 0 8px #fff)}}@keyframes d-dim{to{opacity:.3;filter:grayscale(1)}}@keyframes d-slideout{to{transform:translate(-140%);opacity:0}}@keyframes d-fadeout{to{opacity:0}}@keyframes d-blank{0%{opacity:1}8%,to{opacity:0}}@keyframes d-drift{0%{transform:translate(-8px,-6px)}to{transform:translate(8px,6px)}}.demo-static .demo-card,.demo-static .demo-card *{animation:none!important}.demo-static .demo-card .d-gone{display:none}.demo-static .demo-card .d-dim{opacity:.3;filter:grayscale(1)}.demo-static .demo-card .d-lit{transform:scale(1.18)}:root{--answer-h: 194px}.pad{min-height:var(--answer-h)}.pad.swapped{display:none}.answer-control{position:relative;user-select:none;-webkit-user-select:none}.answer-surface{position:relative;height:var(--answer-h)}.answer-control .answer-wrong{outline:3px solid #ff6b6b;outline-offset:2px;background:#481c26;color:#ff9ca5;box-shadow:0 0 12px #ff6b6b66;opacity:1}.answer-control .answer-correct{outline:3px solid #2ecc71;outline-offset:2px;background:#123d28;color:#89ffb9;box-shadow:0 0 12px #2ecc7166;opacity:1}.answer-wrong .answer-num,.answer-wrong .bits-total,.answer-wrong .bits-binary,.answer-wrong .fuel-level{color:#ff9ca5}.answer-correct .answer-num{color:#89ffb9}.answer-wrong .pour-tube{border-color:#ff6b6b;box-shadow:0 0 12px #ff6b6b66}.answer-correct .pour-tube{border-color:#2ecc71;box-shadow:0 0 12px #2ecc7166}.answer-control.waiting{visibility:hidden}.answer-control button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}.answer-control button:disabled{cursor:default}.answer-face{display:inline-flex;align-items:center;justify-content:center;gap:4px}.answer-face img{display:block}.answer-num{font-weight:900}.swipe-stage{position:relative}.swipe-reader{position:relative;height:104px;padding:8px 12px;border-radius:14px;background:linear-gradient(180deg,#2f3757,#1f2540);border:2px solid #4a5478;box-shadow:0 5px #111422,0 10px 16px #0008;transition:border-color .2s,box-shadow .2s}.swipe-top{display:flex;align-items:center;gap:10px;height:26px;padding:0 10px;border-radius:6px;background:#0b2414;box-shadow:inset 0 2px 6px #000b}.swipe-led{flex:none;width:12px;height:12px;border-radius:50%;background:#5a3a3a;box-shadow:inset 0 1px 2px #0008;transition:background .15s,box-shadow .15s}.swipe-led.swipe-bad{background:#ff4d4d;box-shadow:0 0 10px 2px #ff4d4d}.swipe-led.swipe-good{background:#2ecc71;box-shadow:0 0 10px 2px #2ecc71}.swipe-msg{font:700 .78rem/1 Consolas,monospace;letter-spacing:.06em;color:#7dff9a;text-shadow:0 0 6px #3dff7a;white-space:nowrap;overflow:hidden}.swipe-reader-bad{border-color:#ff6b6b;box-shadow:0 5px #111422,0 0 18px #ff6b6b88}.swipe-reader-bad .swipe-msg{color:#ff8a8a;text-shadow:0 0 6px #ff4d4d}.swipe-reader-good{border-color:#2ecc71;box-shadow:0 5px #111422,0 0 18px #2ecc7188}.swipe-slot{position:absolute;left:14px;right:14px;top:56px;height:16px;border-radius:8px;background:#05070d;box-shadow:inset 0 3px 6px #000,0 1px #5a6590}.swipe-ready .swipe-slot{box-shadow:inset 0 3px 6px #000,0 0 12px 2px #ffd166}.swipe-tray{display:flex;gap:8px;margin-top:18px}.swipe-card{position:relative;flex:1;min-width:0;height:56px;border-radius:8px;background:linear-gradient(135deg,#3a4a8a,#26305e);border:2px solid #6b79b8;box-shadow:0 4px 8px #0008;display:flex;align-items:center;justify-content:center;cursor:grab;touch-action:none;user-select:none;transition:transform .4s cubic-bezier(.25,1.6,.45,1),box-shadow .15s;z-index:1;overflow:hidden}.swipe-card:after{content:"";position:absolute;left:0;right:0;bottom:6px;height:7px;background:#0a0d18;opacity:.7}.swipe-chip{position:absolute;left:6px;top:6px;width:12px;height:9px;border-radius:2px;background:linear-gradient(135deg,#ffe08a,#c9951c)}.swipe-lines{position:absolute;right:6px;top:7px;width:22px;height:3px;border-radius:2px;background:#8e9bd6;box-shadow:0 5px #8e9bd6;opacity:.6}.swipe-key{position:absolute;right:4px;bottom:0;font:700 .58rem/1 monospace;color:#aab3d6;z-index:1}.swipe-card .answer-face{margin-top:6px;color:#fff}.swipe-card .answer-num{font-size:1.25rem}.swipe-drag{transition:none;cursor:grabbing;z-index:6;box-shadow:0 10px 18px #000b}.swipe-done{transition:none;z-index:6;border-color:#2ecc71}.bits-console{display:flex;flex-direction:column;gap:8px;height:100%;padding:10px;border:2px solid #12542f;border-radius:12px;background:radial-gradient(ellipse at top,#092719,#03120d 72%);box-shadow:inset 0 0 20px #00ff6a18,0 5px 12px #0009;color:#8dffad;font-family:Courier New,monospace}.bits-grid{flex:1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;min-height:0}.bits-button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:0;padding:4px 2px;border:1px solid #17683a;border-radius:6px;background:linear-gradient(145deg,#082116,#04150d);color:#59bc79;box-shadow:inset 0 0 10px #00ff6a0b,0 2px #010805;touch-action:manipulation}.bits-value{font-size:1.5rem;font-weight:900;line-height:1}.bits-lamp{width:9px;height:9px;border:1px solid #17683a;border-radius:50%;background:#07140c}.bits-key{position:absolute;right:4px;top:2px;font:700 .58rem/1 monospace;color:#3f8f5c}.bits-button.on{border-color:#37ef76;background:linear-gradient(145deg,#0d4925,#062514);color:#baffc9;box-shadow:inset 0 0 15px #26ff6e25,0 0 10px #18e9652c}.bits-button.on .bits-lamp{border-color:#96ffb2;background:#41ff79;box-shadow:0 0 9px #41ff79}.bits-button:focus-visible,.bits-submit:focus-visible{outline:2px solid #baffc9;outline-offset:2px}.bits-bar{display:flex;align-items:stretch;gap:8px;height:52px}.bits-readout{flex:none;display:flex;flex-direction:column;justify-content:center;min-width:96px;padding:2px 10px;border:1px solid #1c7540;border-radius:6px;background:#010a06;box-shadow:inset 0 0 12px #00ff6a18;text-align:right}.bits-total{color:#baffc9;font-size:1.5rem;font-weight:900;line-height:1.1;text-shadow:0 0 9px #1cff69}.bits-binary{color:#39ef78;font-size:.85rem;letter-spacing:.14em;text-shadow:0 0 7px #1cff69}.bits-submit{flex:1;border:1px solid #4aff82;border-radius:6px;background:linear-gradient(#0c592c,#07351b);color:#c0ffd0;font-family:inherit;font-weight:900;letter-spacing:.13em;box-shadow:0 3px #021008,inset 0 0 10px #31ff7825;touch-action:manipulation}.bits-submit:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px #021008}.bits-console button:disabled{opacity:.58}.fuel-panel{display:flex;flex-direction:column;justify-content:space-between;height:100%}.fuel-scale{position:relative;margin:0 14px}.fuel-flags{position:relative;height:34px}.fuel-flag{position:absolute;transform:translate(-50%);background:#4cc9f0;color:#0b0e18;font:800 .72rem/1 system-ui,sans-serif;padding:3px 6px;border-radius:4px}.fuel-flag:after{content:"";position:absolute;left:50%;top:100%;width:2px;margin-left:-1px;background:#4cc9f0}.fuel-flag.lane0{top:0}.fuel-flag.lane0:after{height:17px}.fuel-flag.lane1{top:16px}.fuel-flag.lane1:after{height:2px}.fuel-tank{position:relative;height:40px}.fuel-glass{position:absolute;inset:0;border:3px solid #9aa3c0;border-radius:10px;background:#0b0e18;box-shadow:inset 0 0 12px #000,0 0 10px #4cc9f022;overflow:hidden}.fuel-liquid{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(to bottom,#ffd166,#f7931e);box-shadow:0 0 12px #ffd16688;overflow:hidden}.fuel-wave{position:absolute;top:-10%;bottom:-10%;right:-2px;width:8px;border-radius:50%;background:#fff7;animation:fuel-slosh 1.1s ease-in-out infinite alternate}@keyframes fuel-slosh{0%{transform:translateY(-4px)}to{transform:translateY(4px)}}.fuel-liquid u{position:absolute;right:6px;width:6px;height:6px;border-radius:50%;background:#fff8;animation:fuel-bubble 1.8s ease-in infinite}@keyframes fuel-bubble{0%{transform:translate(0);opacity:.9}to{transform:translate(-60px);opacity:0}}.fuel-calm .fuel-wave{animation:none}.fuel-glass i{position:absolute;bottom:0;width:1px;height:7px;background:#9aa3c0;opacity:.8}.fuel-level{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-weight:900;font-size:1.5rem;color:#fff;text-shadow:0 1px 4px #000,0 0 3px #000;font-variant-numeric:tabular-nums;pointer-events:none}.fuel-labels{position:relative;height:14px;margin-top:3px}.fuel-labels b{position:absolute;transform:translate(-50%);font:600 .65rem/1 system-ui,sans-serif;color:#9aa3c0}.fuel-buttons{display:flex;gap:10px;height:56px}.fuel-pump,.fuel-lock{border:2px solid #3a4260;background:#232a40;border-radius:12px;font-weight:700;box-shadow:0 5px #0b0e18;transition:transform .08s,box-shadow .08s;touch-action:none}.fuel-pump{flex:2;background:linear-gradient(#ffb04a,#f7931e);color:#2a1600;border-color:#b86200;font-size:1rem}.fuel-lock{flex:1;background:#ffd166;color:#1b1d2b;border-color:#ffd166;font-weight:900;touch-action:manipulation}.fuel-pump.on,.fuel-pump:active:not(:disabled),.fuel-lock:active:not(:disabled){transform:translateY(5px);box-shadow:0 0 #0b0e18}.fuel-pump:disabled,.fuel-lock:disabled{opacity:.45}.pour-stage{position:relative;height:100%;border-radius:14px;background:linear-gradient(180deg,#1a2036,#121728);border:1px solid #2a3148;overflow:hidden;touch-action:none;box-shadow:inset 0 2px 12px #0008}.pour-rack{position:absolute;left:40px;right:0;bottom:0;height:124px;display:flex;justify-content:space-around;align-items:flex-end;padding:0 6px 6px;box-sizing:border-box;background:linear-gradient(180deg,transparent 0,transparent 70px,#2b2f48 70px,#1b1f33 100%);border-radius:0 0 14px 14px}.pour-slot{display:flex;flex-direction:column;align-items:center;gap:4px;width:56px}.pour-tube{position:relative;width:44px;height:84px;border-radius:4px 4px 22px 22px;background:color-mix(in srgb,var(--liquid) 14%,transparent);border:2px solid color-mix(in srgb,var(--liquid) 70%,#fff);border-top-width:3px;box-shadow:inset 0 0 8px #fff3,0 4px 8px #0008;transition:box-shadow .2s,border-color .2s,scale .2s cubic-bezier(.3,1.6,.5,1)}.pour-on{scale:1.06;border-color:color-mix(in srgb,var(--liquid) 55%,#fff);box-shadow:0 0 12px color-mix(in srgb,var(--liquid) 45%,transparent)}.pour-fill{position:absolute;left:0;right:0;bottom:0;height:0;border-radius:0 0 20px 20px;background:linear-gradient(180deg,var(--liquid),color-mix(in srgb,var(--liquid) 70%,#000));overflow:hidden}.pour-fill:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:#fff5}.pour-bubbles{position:absolute;inset:0;opacity:0}.pour-on .pour-bubbles{opacity:1}.pour-bubbles i{position:absolute;bottom:0;width:6px;height:6px;border-radius:50%;background:#fff8;animation:pour-bub .8s linear infinite}.pour-bubbles i:nth-child(1){left:20%}.pour-bubbles i:nth-child(2){left:50%;animation-delay:-.3s;width:4px;height:4px}.pour-bubbles i:nth-child(3){left:72%;animation-delay:-.55s}@keyframes pour-bub{to{transform:translateY(-50px);opacity:0}}.pour-full{border-color:#2ecc71;box-shadow:inset 0 0 8px #fff3,0 0 20px #2ecc71cc}.pour-cork{position:absolute;left:50%;top:-12px;width:30px;height:14px;margin-left:-15px;border-radius:4px;background:linear-gradient(180deg,#d9a15b,#a8702f);box-shadow:0 2px 3px #0008;animation:pour-pop .7s cubic-bezier(.2,.7,.4,1) forwards}@keyframes pour-pop{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translate(18px,-70px) rotate(300deg);opacity:0}}.pour-label{position:relative;display:flex;align-items:center;justify-content:center;height:20px;width:100%;color:#e8ecff}.pour-label .answer-num{font-size:1rem}.pour-label small{position:absolute;right:-2px;top:-4px;font:700 .58rem/1 monospace;color:#6c7699}.pour-flask{position:absolute;left:0;top:0;width:56px;height:66px;cursor:grab;z-index:5;transition:transform .35s cubic-bezier(.25,1.5,.45,1);filter:drop-shadow(0 6px 6px #0009)}.pour-flask svg{display:block}.pour-drag{transition:transform .12s ease-out;cursor:grabbing}.pour-glass{fill:color-mix(in srgb,var(--liquid) 14%,transparent);stroke:color-mix(in srgb,var(--liquid) 55%,#fff);stroke-width:2.5;stroke-linejoin:round}.pour-flask-liquid{fill:var(--liquid);opacity:.95}.pour-shine{stroke:#fff9;stroke-width:2.5;stroke-linecap:round;fill:none}.pour-stream{position:absolute;width:5px;height:0;border-radius:3px;background:repeating-linear-gradient(180deg,var(--liquid) 0 8px,color-mix(in srgb,var(--liquid) 75%,#fff) 8px 12px);background-size:100% 12px;animation:pour-flow .25s linear infinite;opacity:0;pointer-events:none;z-index:4}@keyframes pour-flow{to{background-position:0 12px}}@media(prefers-reduced-motion:reduce){.fuel-wave,.fuel-liquid u{animation:none!important}.pour-bubbles i,.pour-stream,.pour-cork{animation:none}.pour-flask,.pour-tube,.swipe-card{transition:none}}@media(max-width:360px){.bits-console{padding:8px}.bits-grid{gap:4px}}.swipe-card{background:linear-gradient(135deg,color-mix(in srgb,var(--answer-color) 45%,#1a2130),color-mix(in srgb,var(--answer-color) 25%,#10141c));border-color:color-mix(in srgb,var(--answer-color) 70%,#fff)}.swipe-lines{background:var(--answer-color);box-shadow:0 5px 0 var(--answer-color)}.bits-console{border-color:color-mix(in srgb,var(--answer-color) 45%,#10141c);background:radial-gradient(ellipse at top,color-mix(in srgb,var(--answer-color) 18%,#10141c),#03120d 72%);color:color-mix(in srgb,var(--answer-color) 55%,#fff);box-shadow:inset 0 0 20px color-mix(in srgb,var(--answer-color) 10%,transparent),0 5px 12px #0009}.bits-button{border-color:color-mix(in srgb,var(--answer-color) 40%,#10141c);background:color-mix(in srgb,var(--answer-color) 12%,#10141c);color:color-mix(in srgb,var(--answer-color) 65%,#fff)}.bits-button.on{border-color:var(--answer-color);background:color-mix(in srgb,var(--answer-color) 30%,#10141c);color:#fff;box-shadow:inset 0 0 15px color-mix(in srgb,var(--answer-color) 15%,transparent),0 0 10px color-mix(in srgb,var(--answer-color) 25%,transparent)}.bits-lamp{border-color:var(--answer-color)}.bits-button.on .bits-lamp{border-color:#fff;background:var(--answer-color);box-shadow:0 0 9px var(--answer-color)}.bits-key{color:color-mix(in srgb,var(--answer-color) 60%,#fff)}.bits-total,.bits-binary{color:color-mix(in srgb,var(--answer-color) 50%,#fff);text-shadow:0 0 7px var(--answer-color)}.bits-readout:not(.answer-wrong):not(.answer-correct){border-color:var(--answer-color);background:color-mix(in srgb,var(--answer-color) 8%,#10141c);box-shadow:inset 0 0 12px color-mix(in srgb,var(--answer-color) 12%,transparent)}.bits-submit:not(.answer-correct){border-color:var(--answer-color);background:linear-gradient(color-mix(in srgb,var(--answer-color) 40%,#10141c),color-mix(in srgb,var(--answer-color) 20%,#10141c));color:#fff;box-shadow:0 3px #021008}.fuel-liquid{background:linear-gradient(to bottom,color-mix(in srgb,var(--answer-color) 70%,#fff),var(--answer-color));box-shadow:0 0 12px var(--answer-color)}.fuel-glass{border-color:color-mix(in srgb,var(--answer-color) 55%,#fff)}.fuel-flag:not(.answer-correct):not(.answer-wrong),.fuel-flag:after{background:var(--answer-color)}.fuel-flag{color:#fff;text-shadow:0 1px 3px #000}.fuel-pump,.fuel-lock{border-color:var(--answer-color);background:linear-gradient(color-mix(in srgb,var(--answer-color) 65%,#fff),var(--answer-color));color:#10141c}.answer-control .answer-wrong .bits-total,.answer-control .answer-wrong .bits-binary{color:#ff9ca5;text-shadow:none}