.pressable{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform var(--dur-press) var(--ease-out);background:0 0;border:0;margin:0;padding:0}.pressable[data-pressed]{transform:scale(var(--press-scale))}.icon{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:22px;height:22px}.icon-button{min-width:44px;min-height:44px;padding:0 var(--space-3);border-radius:var(--radius-pill);justify-content:center;align-items:center;gap:var(--space-1);color:var(--ice);font-family:var(--text-icon-label-font);font-size:var(--text-icon-label-size);line-height:var(--text-icon-label-line);font-weight:var(--text-icon-label-weight);display:inline-flex}.icon-button--muted{color:var(--text-muted)}.logo{fill:none;stroke-width:9px;stroke-linecap:round;width:34px;height:34px}.wordmark{font-family:var(--text-wordmark-font);font-size:var(--text-wordmark-size);line-height:var(--text-wordmark-line);font-weight:var(--text-wordmark-weight);letter-spacing:var(--text-wordmark-tracking);text-shadow:var(--glow-wordmark);align-items:center;gap:10px;margin:0;display:flex}.eyebrow{font-family:var(--text-eyebrow-font);font-size:var(--text-eyebrow-size);line-height:var(--text-eyebrow-line);font-weight:var(--text-eyebrow-weight);letter-spacing:var(--text-eyebrow-tracking);text-transform:uppercase;color:var(--text-muted)}.screen-title{font-family:var(--text-screen-title-font);font-size:var(--text-screen-title-size);line-height:var(--text-screen-title-line);font-weight:var(--text-screen-title-weight);letter-spacing:var(--text-screen-title-tracking);margin:0}.level-heading{text-align:center}.level-heading__name{white-space:nowrap;text-overflow:ellipsis;font-family:var(--text-level-name-font);font-size:var(--text-level-name-size);line-height:var(--text-level-name-line);font-weight:var(--text-level-name-weight);margin:1px 0 0;overflow:hidden}.tile{height:96px;padding:var(--space-3) 14px;border-radius:var(--radius-tile);background:var(--bg-surface);box-shadow:inset 0 0 0 1px var(--line);text-align:left;flex-direction:column;justify-content:flex-end;align-items:flex-start;min-width:0;display:flex;position:relative}.tile--next{background:var(--bg-next);box-shadow:var(--glow-next-tile)}.tile__number{color:var(--text);font-family:var(--text-tile-number-font);font-size:var(--text-tile-number-size);line-height:var(--text-tile-number-line);font-weight:var(--text-tile-number-weight)}.tile__title{max-width:100%;color:var(--text-muted);font-family:var(--text-caption-font);font-size:var(--text-caption-size);line-height:var(--text-caption-line);font-weight:var(--text-caption-weight);white-space:nowrap;text-overflow:ellipsis;margin-top:6px;overflow:hidden}.tile--next .tile__title{color:var(--text)}.tile__play{height:26px;padding:0 10px 0 var(--space-2);border-radius:var(--radius-pill);align-items:center;gap:var(--space-1);background:var(--ice);color:var(--bg-app);font-family:var(--text-pill-font);font-size:var(--text-pill-size);line-height:var(--text-pill-line);font-weight:var(--text-pill-weight);display:flex;position:absolute;top:10px;right:10px}.tile__play svg{fill:currentColor;width:12px;height:12px}.board-frame{border-radius:var(--radius-board);background:var(--bg-board);box-shadow:inset 0 0 0 1px var(--line);position:relative}.board-frame--flare:after{content:"";border-radius:inherit;pointer-events:none;box-shadow:var(--glow-board-flare);opacity:0;animation:flare var(--dur-solved) var(--ease-out);position:absolute;inset:0}@keyframes flare{0%,25%{opacity:1}}.icon-button:disabled{color:var(--text-disabled);cursor:default}.solid{fill:currentColor;flex:none;width:20px;height:20px}.tile--solved{box-shadow:inset 0 0 0 1px var(--line-strong)}.tile--solved .tile__number{color:var(--ice);text-shadow:var(--glow-solved-number)}.tile__badge{border-radius:var(--radius-pill);background:var(--ice-badge);width:26px;height:26px;color:var(--ice);place-items:center;display:grid;position:absolute;top:10px;right:10px}.tile__badge .icon{stroke-width:2.6px;width:16px;height:16px}.mix-chip{height:48px;padding:0 var(--space-4);border-radius:var(--radius-pill);background:var(--bg-surface);box-shadow:inset 0 0 0 1px var(--line-strong);color:var(--text-muted);font-family:var(--text-mix-font);font-size:var(--text-mix-size);line-height:var(--text-mix-line);font-weight:var(--text-mix-weight);align-items:center;gap:10px;display:inline-flex}.mix-chip__train{width:34px;height:26px;overflow:visible}.train-shape__light{fill:var(--headlight)}.desk{container:desk/size}.desk__body{box-sizing:border-box;height:100%;padding:var(--space-4);border-radius:var(--radius-desk);background:var(--desk);box-shadow:var(--glow-desk);gap:var(--space-3);transition:box-shadow var(--dur-toggle) var(--ease-in);flex-direction:column;display:flex;position:relative;overflow:hidden}.desk__body--running{box-shadow:var(--glow-desk-running);transition-timing-function:var(--ease-out)}.desk__body--crashed{background:var(--desk-crash);box-shadow:var(--glow-desk-crash);animation:desk-shake var(--dur-crash-shake) linear;transition:none}@keyframes desk-shake{8%{transform:translateX(calc(var(--shake) * .92))}25%{transform:translateX(calc(var(--shake) * -.75))}42%{transform:translateX(calc(var(--shake) * .58))}58%{transform:translateX(calc(var(--shake) * -.42))}75%{transform:translateX(calc(var(--shake) * .25))}92%{transform:translateX(calc(var(--shake) * -.08))}}.desk__body--solved:before{content:"";pointer-events:none;opacity:0;background:linear-gradient(90deg, transparent, var(--sweep), transparent);width:42%;animation:sweep var(--dur-solved) linear forwards;position:absolute;top:-20%;bottom:-20%;left:0;transform:translate(-120%)skew(-18deg)}@keyframes sweep{12%{opacity:1}85%{opacity:1}to{opacity:0;transform:translate(280%)skew(-18deg)}}.desk__controls{flex:1;grid-template-columns:96px 1fr 76px;min-height:0;display:grid}.desk__well{border-radius:var(--radius-pill);background:var(--well);width:132px;height:132px;box-shadow:var(--glow-well);place-self:center;place-items:center;display:grid}.desk__body--crashed .desk__well{box-shadow:var(--glow-well-crash)}.readout{box-sizing:border-box;height:40px;padding:0 var(--space-3);border-radius:var(--radius-readout);background:var(--well);box-shadow:var(--glow-readout);justify-content:center;align-items:center;gap:var(--space-2);color:var(--text-muted);font-family:var(--text-readout-font);font-size:var(--text-readout-size);line-height:var(--text-readout-line);font-weight:var(--text-readout-weight);text-align:center;flex:none;display:flex;overflow:hidden}.desk__body--crashed .readout{box-shadow:var(--glow-readout-crash)}.readout__line{text-wrap:balance;min-width:0}.readout__lead{color:var(--text);font-weight:var(--text-readout-lead-weight)}.lamp{border-radius:var(--radius-pill);background:var(--ice);width:8px;height:8px;box-shadow:var(--glow-lamp);flex:none}.lamp--signal{background:var(--signal);box-shadow:var(--glow-signal-lamp)}.stop-light{width:15px;height:15px;fill:var(--danger);filter:var(--glow-stop-light);flex:none}.stop-light__bar{fill:var(--danger-bar)}.running-lights{margin-left:var(--space-1);flex:none;gap:5px;display:inline-flex}.running-lights i{border-radius:var(--radius-pill);background:var(--signal-off);width:6px;height:6px;position:relative}.running-lights i:after{content:"";border-radius:inherit;background:var(--signal);box-shadow:var(--glow-signal-light);opacity:0;animation:running-light calc(5 * var(--dur-step)) step-end infinite;animation-delay:calc((var(--light) - 10) * var(--dur-step) / 2);position:absolute;inset:0}@keyframes running-light{0%{opacity:1}10%{opacity:.55}20%{opacity:.25}30%,to{opacity:0}}.train-marks{margin-left:var(--space-1);vertical-align:1px;gap:3px;display:inline-flex}.train-marks i{border-radius:2px;width:9px;height:6px}.round-key{border-radius:var(--radius-pill);background:var(--ice);width:112px;height:112px;color:var(--bg-app);box-shadow:var(--glow-go-key);font-family:var(--text-go-font);font-size:var(--text-go-size);line-height:var(--text-go-line);font-weight:var(--text-go-weight);transition:transform var(--dur-press) var(--ease-out), box-shadow var(--dur-press) var(--ease-out);flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex;position:relative;transform:translateY(-4px)}.round-key[data-pressed]{box-shadow:var(--glow-go-key-pressed);transform:translateY(0)}.round-key--edit{font-family:var(--text-go-long-font);font-size:var(--text-go-long-size);line-height:var(--text-go-long-line);font-weight:var(--text-go-long-weight)}.round-key--stop{background:var(--signal-dark);color:var(--text);box-shadow:var(--glow-stop-key)}.round-key--stop[data-pressed]{box-shadow:var(--glow-stop-key-pressed)}.round-key--stop .solid{color:var(--signal);filter:var(--glow-stop-icon)}.round-key--next{background:var(--signal);box-shadow:var(--glow-next-key)}.round-key--next[data-pressed]{box-shadow:var(--glow-next-key-pressed)}.round-key--next:after{content:"";border-radius:inherit;pointer-events:none;box-shadow:var(--glow-next-key-bright);opacity:0;animation:breathe var(--dur-breathe) ease-in-out infinite;position:absolute;inset:0}@keyframes breathe{50%{opacity:1}}@container desk (height<=215px){.desk__body{gap:var(--space-2);border-radius:var(--radius-desk-compact);padding:10px}.desk__controls{grid-template-columns:80px 1fr 66px}.desk__well{width:104px;height:104px}.round-key{width:88px;height:88px;font-family:var(--text-go-compact-font);font-size:var(--text-go-compact-size);line-height:var(--text-go-compact-line);font-weight:var(--text-go-compact-weight)}.round-key--edit{font-family:var(--text-go-long-compact-font);font-size:var(--text-go-long-compact-size);line-height:var(--text-go-long-compact-line);font-weight:var(--text-go-long-compact-weight)}}@container desk (height<=171px){.readout{display:none}}@media (prefers-reduced-motion:reduce){.desk__body{transition:none}.board-frame--flare:after,.desk__body--crashed,.desk__body--solved:before,.round-key--next:after{animation:none}.running-lights i:after{opacity:.55;animation:none}}@font-face{font-family:Outfit;src:url(/fonts/outfit.woff2)format("woff2");font-weight:100 900;font-style:normal;font-display:swap}@font-face{font-family:Work Sans;src:url(/fonts/work-sans.woff2)format("woff2");font-weight:100 900;font-style:normal;font-display:swap}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;background:var(--bg-app);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}html,body{overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;height:100%;margin:0}.screen{box-sizing:border-box;padding:calc(env(safe-area-inset-top) + var(--space-3)) calc(env(safe-area-inset-right) + var(--space-4)) calc(env(safe-area-inset-bottom) + var(--space-4)) calc(env(safe-area-inset-left) + var(--space-4))}.pack__top{padding-left:var(--space-2);justify-content:space-between;align-items:center;display:flex}.pack__head{margin-top:var(--space-6);padding:0 var(--space-2)}.pack__head .screen-title{margin-top:var(--space-1)}.pack__tiles{margin:var(--space-5) 0 0;gap:var(--space-3);grid-template-columns:repeat(3,minmax(0,1fr));padding:0;list-style:none;display:grid}.pack__tiles .tile{width:100%}.level{--desk-least:124px;--mix-room:0px;flex-direction:column;min-height:100dvh;display:flex}.level__top{height:60px;margin:0 calc(var(--space-2) * -1);align-items:center;display:flex;position:relative}.level__top .level-heading{max-width:calc(100% - 192px);position:absolute;left:50%;transform:translate(-50%)}.level__board{justify-content:center;margin-top:18px;display:flex}.level--mix{--mix-room:calc(48px + var(--space-3))}.level__board .board-frame{width:min(100%, 70dvh, calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - var(--space-3) - 60px - 18px - var(--mix-room) - 14px - var(--desk-least) - var(--space-4)))}.board{position:relative}.board__canvas{aspect-ratio:1;touch-action:none;width:100%;display:block;position:relative}.board__under{width:100%;height:100%;position:absolute;inset:0}.level__mix{margin-top:var(--space-3);justify-content:center;display:flex}.level .desk{width:min(100%,70dvh);min-height:var(--desk-least);flex:1 1 0;align-self:center;max-height:294px;margin-top:14px}