:root{color-scheme:dark;--bg:#11191c;--panel:#192226;--line:#354045;--ink:#e8e9e3;--muted:#a4b0b2;--accent:#d7ef83;--mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 45% 20%,#202b2c 0,transparent 60%),var(--bg);min-height:100svh}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{transition:background .15s,color .15s}button:not(:disabled):hover{color:var(--accent)}[hidden]{display:none!important}a{color:inherit;text-decoration:none}.app-shell{max-width:1160px;margin:auto;padding:0 46px}.masthead{height:90px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.9px}.brand-mark{font-size:33px;color:var(--accent);line-height:1}.brand-light{font-weight:400;margin-left:4px}.edition{font-family:var(--mono);font-size:10px;letter-spacing:1.8px;color:var(--muted)}.edition span{color:var(--accent);margin-left:18px}.game-heading{display:flex;justify-content:space-between;align-items:center;margin:30px 0 26px}.eyebrow{font:10px var(--mono);letter-spacing:2px;color:var(--muted);margin:0 0 10px}h1{font-size:30px;letter-spacing:-1px;font-weight:500;margin:0}h1 span{color:var(--accent)}.quiet-button{border:1px solid var(--line);border-radius:5px;padding:10px 12px;background:transparent;font-size:11px}.game-layout{display:grid;grid-template-columns:minmax(158px,1fr) minmax(240px,320px) minmax(140px,1fr);gap:40px;align-items:start}.left-panel,.right-panel{padding-top:28px}.small-label,.panel-heading h2,.keyboard-guide h2{font-size:10px;font-weight:400;letter-spacing:1.4px;color:var(--muted);margin:0}.score-panel{padding-bottom:24px;border-bottom:1px solid var(--line)}.score{display:block;font:clamp(30px,3.5vw,42px) var(--mono);letter-spacing:-1.5px;color:var(--accent);margin:14px 0 20px}.best-row{display:flex;justify-content:space-between;gap:7px;color:var(--muted);font-size:11px;line-height:1.7}.best-row output{font:12px var(--mono);color:var(--ink)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}.stat-grid output{display:block;font:28px var(--mono);margin-top:10px}.progress-track{height:3px;background:var(--line);margin-top:24px}.progress-track span{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}.progress-copy{font-size:10px;color:var(--muted);line-height:1.7;margin:10px 0 0}.hold-panel{margin-top:26px}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.hold-panel canvas{display:block;margin:10px auto}.hold-panel p,.ghost-tip{color:var(--muted);font-size:11px;line-height:1.7;margin:5px 0 0}.hold-panel p{text-align:center}.desktop-note{margin-top:42px}.note-line{display:block;width:23px;height:2px;background:var(--accent);margin-bottom:16px}.desktop-note p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.board-caption{display:flex;justify-content:space-between;font:9px var(--mono);letter-spacing:1px;color:var(--muted);height:28px;align-items:start}.board-caption>span:first-child{display:flex;align-items:center;gap:7px}.status-dot{display:inline-block;width:5px;height:5px;background:var(--muted);border-radius:50%}.status-dot.live{background:var(--accent);box-shadow:0 0 9px #d7ef8360}.board-wrap{position:relative;border:1px solid #4a5657;background:var(--bg);box-shadow:0 18px 40px #00000028}.board-wrap>canvas{display:block;width:100%;height:auto;aspect-ratio:1/2;touch-action:pan-y;background-color:#11191c;background-image:linear-gradient(#1c2528 1px,transparent 1px),linear-gradient(90deg,#1c2528 1px,transparent 1px);background-size:10% 5%}.overlay{position:absolute;inset:0;z-index:2;display:flex;justify-content:center;align-items:flex-start;flex-direction:column;padding:28px;background:#11191cef}.overlay-tag{font-size:9px;letter-spacing:1.1px;color:var(--accent);line-height:1.8}.overlay h2{font-size:clamp(27px,3.2vw,41px);font-weight:500;letter-spacing:-1.8px;line-height:1.12;white-space:pre-line;margin:15px 0 18px}.overlay>p:not(.overlay-tag){font-size:12px;color:var(--muted);line-height:1.85;max-width:235px;margin:0 0 24px}.start-button{width:100%;padding:15px 8px;border:0;border-radius:3px;background:var(--accent);color:#172015;font-weight:700;font-size:12px}.start-button:not(:disabled):hover{background:#e9ffa5;color:#172015}.cancel-button{padding:12px 4px;margin-top:8px;border:0;background:transparent;font-size:11px;text-decoration:underline}.overlay .loading{margin:14px 0 0!important;font-size:10px!important}.clear-message{position:absolute;z-index:1;top:45%;left:0;width:100%;text-align:center;font:700 16px var(--mono);color:var(--accent);text-shadow:0 2px 8px #000;pointer-events:none}.board-actions{display:flex;justify-content:space-between;align-items:center;gap:6px;margin:12px 0}.board-actions .quiet-button{border:0;padding:6px 0;font-size:10px}.board-actions>span{font:9px var(--mono);color:var(--muted)}.muted{font-family:Arial,sans-serif;color:var(--muted)}.next-panel{border-bottom:1px solid var(--line);padding-bottom:15px}.next-panel canvas{display:block;margin:6px auto}.next-panel canvas:nth-of-type(2){opacity:.8}.next-panel canvas:nth-of-type(3){opacity:.6}.keyboard-guide{margin-top:28px}dl{margin:18px 0 0}dl>div{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:13px 0}dt{white-space:nowrap}dd{font-size:11px;color:var(--muted);margin:0}kbd{display:inline-flex;min-width:22px;min-height:21px;align-items:center;justify-content:center;border:1px solid #4b575b;border-bottom-width:2px;border-radius:4px;font:10px var(--mono);padding:2px 5px;color:#ced5d4}.ghost-tip{margin-top:24px;max-width:165px}.touch-controls{display:none}footer{display:flex;gap:15px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:23px 0 27px;margin-top:28px;font-size:10px;color:var(--muted);line-height:1.8}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.noscript{color:var(--accent);padding:12px}
@media(min-width:821px) and (max-height:900px){.app-shell{max-width:980px}.masthead{height:65px}.game-heading{margin:22px 0}.game-layout{grid-template-columns:minmax(158px,1fr) minmax(210px,260px) minmax(140px,1fr);gap:36px}.overlay{padding:23px}.overlay h2{font-size:33px}.desktop-note{margin-top:26px}.next-panel canvas{height:64px;width:107px}footer{margin-top:18px;padding:17px 0}}
@media(max-width:820px){.app-shell{padding:0 24px;max-width:740px}.masthead{height:72px}.game-layout{gap:20px;grid-template-columns:minmax(120px,1fr) minmax(230px,280px) 102px}.game-heading{margin:24px 0}h1{font-size:26px}.score{font-size:28px}.stat-grid{gap:12px;margin-top:24px}.best-row{display:block}.best-row output{display:block;margin-top:5px}.next-panel canvas{width:100px;height:auto}.keyboard-guide,.desktop-note,.ghost-tip{display:none}.hold-panel canvas{max-width:100%;height:auto}.overlay{padding:24px}.overlay h2{font-size:32px}.edition{font-size:8px;letter-spacing:1px}.touch-controls{display:block;max-width:410px;margin:18px auto 0}.touch-secondary,.touch-primary{display:grid;gap:9px}.touch-secondary{grid-template-columns:1fr 1fr 1fr 1.5fr;margin-bottom:9px}.touch-primary{grid-template-columns:1fr 1fr 1fr}.touch-controls button{height:47px;border:1px solid #465458;border-radius:5px;background:#243035;font:20px var(--mono);touch-action:none;user-select:none;-webkit-user-select:none}.touch-controls button[data-action=hold],.touch-controls button[data-action=drop]{font-size:11px}.touch-controls button:not(:disabled):active{background:#435045}.touch-controls .drop-button{background:var(--accent);border-color:var(--accent);color:#172015}.touch-controls .drop-button:not(:disabled):hover{color:#172015}footer{font-size:9px}}
@media(max-width:600px){.app-shell{padding:0 15px;max-width:460px}.masthead{height:59px}.brand{font-size:17px}.brand-mark{font-size:28px}.edition{font-size:8px;letter-spacing:0}.edition span{display:none}.game-heading{margin:18px 0}.eyebrow{font-size:8px;margin-bottom:7px}h1{font-size:22px}.quiet-button{font-size:10px;padding:8px}.game-layout{grid-template-columns:minmax(0,1fr) 86px;gap:0 14px}.left-panel{grid-column:1/-1;display:flex;gap:16px;align-items:center;padding:0;margin-bottom:18px}.score-panel{flex:1;border-bottom:0;padding:0;display:grid;grid-template-columns:minmax(96px,1fr) 1fr;gap:0 12px}.score-panel>.small-label{font-size:8px}.score{font-size:26px;margin:7px 0 5px;grid-column:1;grid-row:2}.best-row{font-size:8px;line-height:1.5;grid-row:3;grid-column:1}.best-row output{display:inline;margin-left:4px;font-size:9px}.stat-grid{grid-column:2;grid-row:1/4;margin:0;gap:12px;align-items:center}.stat-grid .small-label{font-size:8px;letter-spacing:.5px}.stat-grid output{font-size:23px;margin-top:8px}.progress-track,.progress-copy{display:none}.hold-panel{width:73px;flex-shrink:0;margin:0;border-left:1px solid var(--line);padding-left:12px}.hold-panel .panel-heading h2{font-size:7px;letter-spacing:.5px}.hold-panel kbd{display:none}.hold-panel canvas{width:66px;margin:3px auto}.hold-panel p{display:none}.board-column{grid-column:1;grid-row:2}.board-caption{height:23px;font-size:8px}.right-panel{grid-column:2;grid-row:2;padding-top:23px}.next-panel{border-bottom:0;padding:13px 4px 0;background:#1a2427;border-radius:3px}.panel-heading h2{font-size:8px;letter-spacing:.8px}.next-panel .small-label{display:none}.next-panel .panel-heading{justify-content:center}.next-panel canvas{width:78px;max-width:100%;height:auto;margin:6px auto}.overlay{padding:18px}.overlay h2{font-size:30px}.overlay-tag{font-size:8px}.overlay>p:not(.overlay-tag){font-size:11px;margin-bottom:20px}.start-button{font-size:11px;padding:13px 5px}.board-actions>span{display:none}.board-actions .quiet-button{font-size:10px}.touch-controls{margin-top:10px;max-width:none}.touch-controls button{height:44px}.touch-secondary,.touch-primary{gap:8px}.touch-secondary{margin-bottom:8px}footer{display:block;margin-top:22px;padding:16px 0}footer span{display:block}.clear-message{font-size:12px}}
@media(max-width:350px){.app-shell{padding:0 10px}.game-layout{grid-template-columns:minmax(0,1fr) 65px;gap:0 9px}.brand{font-size:15px}.edition{font-size:7px}h1{font-size:19px}.overlay{padding:13px}.overlay h2{font-size:25px}.overlay>p:not(.overlay-tag){font-size:10px}.overlay-tag{font-size:7px}.stat-grid{gap:6px}.score-panel{gap:0 5px}.hold-panel{width:60px}.hold-panel canvas{width:48px}.left-panel{gap:8px}.score{font-size:23px}.next-panel canvas{width:61px}}
@media(pointer:coarse) and (min-width:821px){.touch-controls{display:block;max-width:400px;margin:20px auto}.touch-secondary,.touch-primary{display:grid;gap:8px;grid-template-columns:repeat(4,1fr)}.touch-primary{grid-template-columns:repeat(3,1fr);margin-top:8px}.touch-controls button{height:46px;background:var(--panel);border:1px solid var(--line);border-radius:5px;touch-action:none}}
@media(max-width:600px) and (min-height:650px){.board-column{width:min(100%,max(170px,calc((100svh - 400px)/2)));justify-self:center}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}