:root{color-scheme:dark;--bg:#101014;--panel:#18181f;--line:#2b2b35;--text:#f4f3f5;--muted:#a4a4b4;--accent:#ff5367}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 90% 0%,#381a252e,transparent 50%),var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{max-width:1160px;margin:auto;padding:0 32px}header{height:88px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:inherit;text-decoration:none}.brand{font-size:20px;font-weight:850;color:var(--accent)}.brand span{font-size:14px;font-weight:500;color:var(--muted)}.tag,.eyebrow,.label{font-size:11px;letter-spacing:2px;font-weight:700}.tag{color:var(--muted)}.intro{padding:48px 0 28px}.eyebrow{color:var(--accent);display:flex;gap:9px;align-items:center}.dot{width:6px;height:6px;background:var(--accent);border-radius:50%}h1{font-size:clamp(32px,4.4vw,53px);letter-spacing:-2px;line-height:1.13;margin:18px 0}h1 span{color:var(--muted)}.intro p{color:var(--muted);font-size:16px;line-height:1.6}.lab{border:1px solid var(--line);background:var(--panel);border-radius:18px;overflow:hidden}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 22px}.actions{display:flex;gap:8px}button,select{font:inherit;color:var(--text);border:1px solid #3a3a46;background:#23232c;border-radius:8px;padding:10px 14px;cursor:pointer;font-size:13px}button:hover{background:#32323d;border-color:#747480}button.primary{background:var(--accent);color:#180b0e;border-color:var(--accent);font-weight:750;min-width:106px}button.primary:hover{background:#ff7787}.stats{display:flex;gap:30px}.stats span{font-size:9px;color:var(--muted);letter-spacing:1.5px}.stats strong{display:block;font-size:24px;letter-spacing:-.5px;color:var(--text);font-variant-numeric:tabular-nums;margin-top:3px}.board{margin:0 14px;background:#101014;border:1px solid var(--line);border-radius:8px;overflow:hidden}canvas{display:block;width:100%;touch-action:none;cursor:crosshair;aspect-ratio:80/48}canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-3px}.board-note{padding:11px 23px;display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted)}#status{color:#d5a7ae}.controls{padding:17px 22px;display:flex;gap:30px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line)}label{font-size:12px;color:var(--muted);display:flex;gap:12px;align-items:center}label>span{display:flex;gap:10px;align-items:center}input{accent-color:var(--accent)}input[type=range]{width:125px}output{min-width:40px;font-variant-numeric:tabular-nums}select{padding:8px}.check{margin-left:auto;gap:7px}.patterns{border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding:17px 22px}.label{color:var(--muted);margin-right:10px;font-size:9px}.patterns button{font-size:12px}.quiet{margin-left:auto;color:var(--muted);background:transparent}.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:36px 0 18px}.number{color:var(--accent);font-size:11px;font-weight:700}.rules h2{font-size:17px;margin:9px 0}.rules p{color:var(--muted);line-height:1.7;font-size:13px;margin:0}.hint{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:34px}.hint span{display:inline-block;margin-left:18px;color:#787888}footer{border-top:1px solid var(--line);padding:24px 0 30px;display:flex;justify-content:space-between;gap:15px;font-size:12px}footer a{color:var(--muted)}.muted{color:#787888}button:focus-visible,select:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(max-width:650px){.shell{padding:0 16px}header{height:68px}.tag{display:none}.intro{padding:30px 0 20px}h1{letter-spacing:-1.2px}.intro p{font-size:14px}.toolbar{padding:14px 12px;gap:10px}.stats{gap:12px}.stats span{font-size:8px;letter-spacing:.5px}.stats strong{font-size:20px}.actions{gap:5px}.actions button{padding:10px;font-size:12px}.actions .primary{min-width:82px}.board{margin:0 8px}.board-note{padding:10px 12px;flex-direction:column;gap:4px}.controls,.patterns{padding:14px 12px;gap:14px}.check{margin-left:0}.patterns{gap:7px}.label{width:100%;margin-bottom:4px}.quiet{margin-left:0}.rules{gap:20px;grid-template-columns:1fr;padding:28px 0 12px}.rules>div{display:grid;grid-template-columns:24px 1fr;column-gap:12px}.number{grid-row:span 2;padding-top:4px}.rules h2{margin:0 0 5px}.hint span{display:block;margin-left:0}footer{flex-direction:column}.intro br{display:none}}
@media(max-width:400px){.toolbar{flex-wrap:wrap}.stats{width:100%;justify-content:space-between}.stats span{display:flex;align-items:center;gap:8px}.stats strong{margin:0}.controls label>span{gap:6px}input[type=range]{width:110px}}
@media(max-width:650px){.intro br{display:initial}h1{overflow-wrap:break-word}}
.view-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:0 22px 14px}.view-tools button{padding:8px 11px;font-size:12px}.view-tools output{font-size:12px;color:var(--muted);min-width:48px;text-align:center}.view-tools button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}canvas.panning{cursor:grab}canvas.panning:active{cursor:grabbing}body.map-open{overflow:hidden}.lab.immersive,.lab:fullscreen{position:fixed;inset:0;width:100%;height:100dvh;max-height:100dvh;z-index:9999;border:0;border-radius:0;display:flex;flex-direction:column;background:var(--panel)}.lab.immersive .board{flex:1;min-height:0;position:relative}.lab.immersive canvas{position:absolute;width:100%;height:100%;aspect-ratio:auto!important}.lab.immersive .toolbar,.lab.immersive .controls,.lab.immersive .patterns,.lab.immersive .view-tools{flex-shrink:0}.lab.immersive .toolbar{padding-top:10px;padding-bottom:10px}.lab.immersive .controls,.lab.immersive .patterns{padding-top:8px;padding-bottom:8px}@media(max-width:650px){.view-tools{padding:0 12px 12px;gap:6px}.lab.immersive .board-note{font-size:10px;padding:6px 12px}.lab.immersive .controls{gap:8px 14px}.lab.immersive .patterns .label{display:none}.lab.immersive .patterns button{padding:6px 9px}.lab.immersive .view-tools{padding-bottom:8px}}
.oled{--bg:#000;--panel:#000;--line:#242424;--muted:#aaaab4}.oled body{background:#000}.oled .board,.oled canvas{background:#000}.oled button,.oled select,.oled input[type=number]{background:#090909;border-color:#333}.oled button.primary{background:var(--accent);border-color:var(--accent)}.oled .lab.immersive{background:#000}.settings{border-top:1px solid var(--line);padding:12px 22px}.settings summary{cursor:pointer;font-size:12px;color:var(--muted);padding:4px 0}.settings-content{padding-top:12px}.tempo-presets{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.tempo-presets button{font-size:12px;padding:8px 10px}#max-speed[aria-pressed=true]{color:var(--accent);border-color:var(--accent)}.custom-form{display:flex;gap:12px;flex-wrap:wrap;align-items:end;margin:12px 0}.custom-form label{display:flex;flex-direction:column;align-items:start;gap:6px;min-width:0}.custom-form input{width:145px;max-width:100%;font:inherit;color:var(--text);background:#23232c;border:1px solid #3a3a46;border-radius:7px;padding:8px}.custom-form>span{font-size:11px;color:var(--muted);align-self:center;overflow-wrap:anywhere}.map-settings{margin-top:16px}.setting-note{font-size:11px;line-height:1.6;color:var(--muted);margin:12px 0 2px}.lab.immersive .settings{flex-shrink:0;max-height:42dvh;overflow:auto}.lab.immersive .settings:not([open]){padding-top:4px;padding-bottom:4px}.controls{gap:18px}#size{max-width:100%}#actual-speed{font-variant-numeric:tabular-nums}@media(max-width:650px){.settings{padding:10px 12px}.custom-form{gap:10px}.custom-form label{flex:1;min-width:110px}.custom-form input{width:100%}.custom-form>span{width:100%}.controls{gap:12px}.map-settings label{flex-wrap:wrap}.lab.immersive .settings-content{padding-bottom:10px}}
.performance{display:flex;flex-wrap:wrap;gap:8px 18px;padding:0 22px 12px;color:var(--muted);font-size:11px;flex-shrink:0}.performance strong{color:var(--text);font-variant-numeric:tabular-nums;margin-left:4px}#cycle-info{color:var(--accent)}.rule-switches{border:1px solid var(--line);border-radius:8px;margin:0;padding:12px;display:flex;flex-wrap:wrap;gap:12px 20px}.rule-switches legend{font-size:12px;color:var(--text);padding:0 6px}.rule-switches label{gap:6px}.rule-switches>span{font-size:11px;color:var(--accent);width:100%}.lab.immersive .performance{padding-bottom:8px}@media(max-width:650px){.performance{padding:0 12px 10px;gap:5px 12px;font-size:10px}.rule-switches{gap:10px}.rule-switches label{width:100%}.lab.immersive .settings{max-height:38dvh}}
[hidden]{display:none!important}.mobile-only{display:none}.pwa-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;color:var(--muted);font-size:11px}.pwa-bar button{padding:7px 10px;font-size:11px}#install-app{font-size:12px}dialog{max-width:min(440px,calc(100vw - 32px));border:1px solid var(--line);border-radius:16px;background:var(--panel);color:var(--text);padding:24px}dialog::backdrop{background:#000a}dialog h2{margin-top:0;font-size:20px}dialog p{font-size:14px;line-height:1.6;color:var(--muted)}.lab.immersive{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}@media(max-width:650px){.mobile-only{display:inline-block}.desktop-hint{display:none}.shell{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}header{height:64px;gap:10px}.brand{font-size:18px}.brand span{font-size:12px}#install-app{padding:8px 10px;min-height:44px}.pwa-bar{padding:8px 0}.intro{padding:12px 0 18px}.eyebrow{font-size:9px;letter-spacing:1.4px}h1{font-size:29px;margin:12px 0;letter-spacing:-1px}.intro h1 span{display:block;font-size:22px}.intro br{display:none}.intro p{font-size:13px;margin:10px 0 0}.lab{border-radius:14px}.lab button,.lab select{min-height:44px;padding:10px 12px}.view-tools{gap:6px}.view-tools button{font-size:12px}.view-tools #zoom-in,.view-tools #zoom-out{min-width:44px;font-size:21px;padding:4px 10px}.view-tools output{min-width:44px}.board{min-height:34dvh}canvas{min-height:34dvh}.lab.immersive .board,.lab.immersive canvas{min-height:0}.controls{gap:12px;padding:14px 12px}.controls>label{flex-wrap:wrap}.controls input[type=range]{height:32px;width:125px}.check input,.rule-switches input{width:20px;height:20px}.rule-switches label{min-height:40px}.custom-form input,.custom-form select{font-size:16px;min-height:44px}.settings summary{min-height:44px;display:flex;align-items:center;font-size:13px}.settings summary::before{content:'▸';margin-right:8px}.settings[open] summary::before{content:'▾'}.patterns{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;padding:12px;overscroll-behavior-x:contain;scrollbar-width:thin}.patterns .label{display:none}.patterns button{flex:0 0 auto;white-space:nowrap}.quiet{margin-left:0}.lab.immersive .board-note{padding-top:5px;padding-bottom:5px}.lab.immersive .board-note>span:last-child{display:none}.lab.immersive .toolbar{padding-top:8px;padding-bottom:8px}.lab.immersive .controls{padding-top:6px;padding-bottom:6px}.lab.immersive .patterns{padding-top:6px;padding-bottom:6px}.lab.immersive .settings:not([open]){padding-top:0;padding-bottom:0}.lab.immersive .settings summary{min-height:38px}.lab.immersive .settings{max-height:35dvh}.lab.immersive .view-tools{gap:5px}.lab.immersive #fullscreen{font-size:11px}.lab.immersive .performance{gap:4px 10px}footer{padding-bottom:max(24px,env(safe-area-inset-bottom))}}
@media(max-height:550px) and (max-width:1000px){.lab.immersive .toolbar{flex-wrap:nowrap;gap:8px;padding:4px 12px}.lab.immersive .stats{width:auto;margin-left:auto;gap:12px}.lab.immersive .stats span{font-size:0;display:block}.lab.immersive .stats strong{font-size:17px}.lab.immersive .view-tools,.lab.immersive .controls{flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;padding:4px 12px;gap:8px}.lab.immersive .view-tools>*{flex-shrink:0}.lab.immersive .controls>label{flex-shrink:0;flex-wrap:nowrap}.lab.immersive .check{margin-left:0}.lab.immersive .board-note{display:none}.lab.immersive .performance{padding-bottom:5px}.lab.immersive .settings:not([open]) summary{min-height:30px}.lab.immersive .settings[open]{position:absolute;bottom:env(safe-area-inset-bottom);left:0;right:0;z-index:5;background:var(--panel);border-top:1px solid var(--accent);max-height:75dvh}.lab.immersive .patterns{padding-top:4px;padding-bottom:4px}}