:root{color-scheme:dark;--ink:#090d1b;--panel:#11192b;--muted:#79869a;--cyan:#43e7ec;--acid:#e3fd66;--pink:#ff6caa;--line:#30405a;font-family:'DM Sans',system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--ink);color:#edf5fa;min-height:100dvh;overflow-x:hidden}.ambient{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse 52% 65% at 52% 51%,#18304a66,transparent 75%),linear-gradient(90deg,transparent 49.9%,#8bd8ff08 50%,transparent 50.1%);z-index:-1}.ambient:after{content:'';position:absolute;inset:0;background-image:linear-gradient(#ffffff06 1px,transparent 1px),linear-gradient(90deg,#ffffff06 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(90deg,transparent,#000 20% 80%,transparent)}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid var(--acid);outline-offset:4px}.shell{max-width:1400px;margin:auto;padding:20px 36px 14px;min-height:100dvh;display:flex;flex-direction:column}.topbar,footer{display:flex;align-items:center;justify-content:space-between;font:500 11px 'DM Mono',monospace;letter-spacing:.12em;color:var(--muted)}.topbar{height:44px;flex:none}.home{text-decoration:none;color:var(--cyan);font-weight:500}.home span{color:#f1f8ff;margin-left:9px}.home:hover span{color:var(--cyan)}.sound{background:transparent;border:1px solid #354359;color:var(--muted);padding:9px 12px;font:500 10px 'DM Mono',monospace;letter-spacing:.09em}.sound[aria-pressed=true]{color:var(--cyan);border-color:var(--cyan)}.layout{display:grid;grid-template-columns:minmax(275px,1fr) minmax(300px,420px) minmax(80px,.3fr);gap:clamp(22px,4vw,64px);align-items:center;flex:1;min-height:0;padding:16px 0}.intro{max-width:400px}.eyebrow,.stat-label,.next-sub,.overlay-kicker,.overlay-hint,.stage-top,.stage-bottom,.rail-foot{font:500 10px 'DM Mono',monospace;letter-spacing:.14em}.eyebrow{color:var(--cyan);display:flex;align-items:center;gap:10px}.live-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}h1,h2,.rail-number{font-family:'Barlow Condensed',Impact,sans-serif;letter-spacing:-.035em}h1{font-size:clamp(66px,7vw,115px);line-height:.78;margin:27px 0 26px;font-weight:900}h1>span:first-child{color:var(--cyan)}.period{color:var(--pink)}.tagline{font-size:15px;line-height:1.5;color:#b2c1d0;margin:0}.tagline strong{color:#fff;font-weight:600}.rule{height:1px;background:linear-gradient(90deg,var(--cyan),var(--line),transparent);margin:30px 0 25px}.stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 14px}.stat{display:flex;flex-direction:column;gap:4px}.stat-label{color:var(--muted)}.stat strong{font:700 28px 'Barlow Condensed',sans-serif;letter-spacing:.04em;line-height:1;color:#f4f8ff}.stat:first-child strong{color:var(--acid);font-size:40px}.next-panel{border:1px solid var(--line);background:#111a2b99;margin:25px 0 0;padding:12px 12px 9px;display:flex;align-items:center;justify-content:space-between}.next-panel>div{display:flex;flex-direction:column;gap:8px}.next-sub{color:var(--cyan);font-size:8px}.next-panel canvas{width:108px;height:51px}.desktop-help{margin-top:24px}.desktop-help p{color:#9bacbd;line-height:1.55;font-size:12px;max-width:360px}.desktop-help em{font-style:normal;color:var(--acid)}.keys{display:flex;flex-wrap:wrap;gap:8px 13px;color:#96aabd;font:10px 'DM Mono',monospace}.keys span{white-space:nowrap}kbd{font:inherit;border:1px solid #456076;color:var(--cyan);padding:2px 4px;margin-right:3px}.stage{width:100%;max-width:420px;margin:auto;background:linear-gradient(150deg,#1a3143,#192238 13%,#111929 95%);padding:12px;border:1px solid #486073;box-shadow:0 0 0 5px #0a101d,0 18px 60px #0009,0 0 65px #2ac5d018}.stage-top,.stage-bottom{display:flex;justify-content:space-between;align-items:center;color:#7d9cab;height:22px;font-size:9px}.stage-top span:last-child{color:var(--acid)}.stage-bottom{height:29px;padding-top:7px}.stage-bottom button{background:none;border:none;color:var(--cyan);font:inherit;letter-spacing:inherit}.board-wrap{position:relative;border:1px solid #456074;background:#0c1424;box-shadow:inset 0 0 35px #000b;aspect-ratio:8/14;max-height:min(72dvh,590px);margin:auto}#board{display:block;width:100%;height:100%;touch-action:none}.overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;background:#09101ce9;backdrop-filter:blur(7px);padding:16px;z-index:3}.overlay[hidden]{display:none}.overlay-inner{max-width:300px}.overlay-mark{display:grid;place-items:center;margin:0 auto 16px;color:var(--cyan);font-size:52px;line-height:1;width:76px;height:76px;border:1px solid #4ae8ed77;transform:rotate(45deg);text-shadow:0 0 20px #43e7ec99}.overlay-mark::first-letter{transform:rotate(-45deg)}.overlay-kicker{color:var(--cyan);margin-top:20px}.overlay h2{font-size:clamp(48px,6vw,76px);font-weight:900;line-height:.84;margin:20px 0}.overlay h2 span{color:var(--acid)}.overlay p{color:#b2c1d0;line-height:1.55;font-size:13px;margin:0 auto 25px}.primary{border:0;background:var(--acid);color:#101722;padding:15px 21px;font:800 15px 'Barlow Condensed',sans-serif;letter-spacing:.13em;width:100%;display:flex;justify-content:space-between;align-items:center;transition:transform .15s,box-shadow .15s}.primary:hover{transform:translateY(-2px);box-shadow:0 6px 25px #e3fd6644}.secondary{border:1px solid #6a8799;color:#c0d6e1;background:transparent;width:100%;padding:10px;margin-top:12px;font:600 11px 'DM Mono',monospace}.secondary[hidden]{display:none}.overlay-hint{display:block;color:#7a8e9d;margin-top:23px;font-size:8px}.rail{align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;align-items:flex-end;padding:16px 0 25px}.rail-number{font-size:50px;color:#8798a9;font-weight:800}.rail-number span{color:var(--pink)}.rail-guide{display:flex;align-items:center;gap:14px;color:#a2b6c4;font:700 16px/1.4 'Barlow Condensed',sans-serif;letter-spacing:.1em}.rail-line{height:70px;width:1px;background:var(--pink)}.rail-foot{color:#7e91a0;line-height:1.7}.rail-foot span{color:var(--pink)}.touch-controls{display:none}footer{height:26px;flex:none;border-top:1px solid #354354;padding-top:10px;font-size:9px}
@media(max-height:800px) and (min-width:901px){.layout{padding:8px 0}.board-wrap{max-height:67dvh}h1{font-size:clamp(60px,6.3vw,93px);margin:17px 0}.rule{margin:19px 0}.next-panel{margin-top:17px}.desktop-help{margin-top:14px}.desktop-help p{margin:8px 0}.stats{gap:11px}.stat:first-child strong{font-size:33px}}
@media(max-width:900px){.shell{padding:12px 16px}.layout{grid-template-columns:minmax(0,1fr) minmax(260px,380px);gap:22px}.rail{display:none}h1{font-size:clamp(65px,10vw,95px)}}
@media(max-width:650px){.shell{padding:10px 12px 12px;min-height:100dvh}.topbar{height:30px}.top-id{display:none}.layout{display:flex;flex-direction:column;gap:8px;padding:12px 0;justify-content:flex-start}.intro{width:100%;max-width:420px;display:grid;grid-template-columns:1fr auto;column-gap:10px}.eyebrow{grid-column:1/-1;font-size:9px}h1{font-size:clamp(49px,14vw,72px);margin:10px 0 8px;grid-column:1;line-height:.79}.tagline,.rule,.desktop-help{display:none}.stats{grid-column:2;grid-row:2;grid-template-columns:1fr 1fr;gap:5px 10px;align-content:center}.stat-label{font-size:8px}.stat strong{font-size:18px}.stat:first-child strong{font-size:23px}.next-panel{grid-column:1/-1;margin:7px 0 0;padding:5px 10px;height:42px}.next-panel canvas{width:76px;height:35px}.next-sub{display:none}.stage{padding:7px;max-width:min(420px,calc((100dvh - 236px)*8/14 + 16px));width:100%}.board-wrap{max-height:calc(100dvh - 236px)}.stage-top{height:16px}.stage-bottom{height:20px;padding-top:4px}.touch-controls{display:grid;grid-template-columns:repeat(4,1fr) 1.35fr;gap:6px;width:100%;max-width:420px;margin:8px auto 0;touch-action:none}.touch-controls button{height:48px;background:#18283a;color:var(--cyan);border:1px solid #416076;font:700 23px 'Barlow Condensed',sans-serif;touch-action:none;user-select:none;-webkit-user-select:none}.touch-controls button:active{background:#2b4e5d}.touch-controls .slam{background:var(--acid);border-color:var(--acid);color:#0e1821;font-size:17px;letter-spacing:.05em}.overlay h2{font-size:clamp(43px,10vw,67px)}.overlay-mark{width:47px;height:47px;font-size:36px;margin-bottom:9px}.overlay-kicker{margin-top:10px;font-size:8px}.overlay h2{margin:12px 0}.overlay p{font-size:11px;margin-bottom:15px}.primary{padding:10px 16px}.overlay-hint{margin-top:12px;font-size:7px}footer{display:none}}
@media(max-width:380px){.stage{max-width:min(350px,calc((100dvh - 216px)*8/14 + 14px))}.board-wrap{max-height:calc(100dvh - 216px)}.touch-controls button{height:43px}.next-panel{display:none}.layout{gap:3px}}
/* Keep the whole cabinet, including touch controls, on a phone screen. */
@media(max-width:650px){
.shell{padding:8px 12px max(8px,env(safe-area-inset-bottom));height:100dvh;min-height:620px}
.layout{flex:1;padding:10px 0 4px;gap:9px;min-height:0}
.intro{display:grid;grid-template-columns:1fr 86px;grid-template-rows:auto auto;gap:7px 10px;flex:none;min-width:0}
.eyebrow{display:none}
h1{grid-column:1;grid-row:1;font-size:28px;line-height:1;margin:0;white-space:nowrap;letter-spacing:-1px}
h1 br{display:none}h1>span:first-child{display:none}.period{display:none}
.stats{grid-column:1;grid-row:2;display:grid;grid-template-columns:repeat(4,1fr);gap:5px;min-width:0;align-content:start}
.stat{gap:4px;min-width:0}.stat-label{font-size:7px;letter-spacing:.06em}.stat strong,.stat:first-child strong{font-size:17px;letter-spacing:0}
.next-panel{display:flex;grid-column:2;grid-row:1 / 3;flex-direction:column;justify-content:center;gap:2px;width:86px;height:auto;margin:0;padding:3px}.next-panel canvas{width:66px;height:31px}
.stage{flex:none;max-width:none;width:min(100%,calc((100dvh - 231px)*8/14 + 16px));padding:7px;margin:auto}
.board-wrap{width:100%;max-height:none;aspect-ratio:8/14}
#board{position:absolute;inset:0;width:100%;height:100%}
.stage-top,.stage-bottom{font-size:7px;letter-spacing:.03em}.stage-bottom #message{max-width:75%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.touch-controls{flex:none;margin:6px auto 0}.touch-controls button{height:46px}
.overlay{padding:13px}.overlay-mark{width:35px;height:35px;font-size:28px;margin-bottom:8px}.overlay h2{font-size:40px;margin:10px 0}.overlay p{font-size:10px;margin-bottom:12px}.overlay-hint{display:none}.overlay-kicker{margin-top:8px;font-size:7px}.primary{font-size:12px;padding:10px}
}
@media(max-width:360px){h1{font-size:25px}.stat strong,.stat:first-child strong{font-family:monospace;font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}