:root{font-family:"Avenir Next",Avenir,"Segoe UI",system-ui,sans-serif;color:#2c2a26;background:#efe6d3;font-synthesis:none;--ink:#2c2a26;--muted:#6b6357;--accent:#b8552f;--accent-dark:#8f3f21;--line:#d8cbb1;--paper:#f9f4e8;--well:#f1e7d1;--moss:#5c7a4a}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:linear-gradient(180deg,#f4ecdb 0,#efe6d3 320px)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.app-shell{width:min(100% - 24px,560px);margin:10px auto 28px}
.app-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:2px 0 10px}
.app-brand{display:flex;align-items:center;gap:9px;color:inherit;text-decoration:none;min-height:44px}
.app-brand strong{display:block;font-family:Georgia,"Iowan Old Style","Times New Roman",serif;font-size:21px;letter-spacing:-.01em;line-height:1.05}
.app-brand small{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.brand-mark{flex:none}
.header-actions{display:flex;align-items:center;gap:6px}
.header-button{font:inherit;font-size:14px;font-weight:650;min-height:44px;padding:0 13px;border:1.5px solid var(--line);border-radius:999px;background:var(--paper);color:var(--ink);cursor:pointer}
.header-button:hover{border-color:#b9a684}
.settings-menu{position:relative}
.settings-menu summary{list-style:none;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;cursor:pointer;color:var(--ink)}
.settings-menu summary::-webkit-details-marker{display:none}
.settings-menu summary svg{width:24px;height:24px;fill:currentColor}
.settings-menu[open] summary{background:#e6dbc3}
.settings-panel{position:absolute;right:0;top:50px;z-index:5;width:min(300px,calc(100vw - 32px));padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:0 14px 34px #3a2a1030;display:grid;gap:9px}
.settings-heading{display:flex;justify-content:space-between;align-items:baseline;font-size:14px}
.settings-heading span{color:var(--muted);font-size:12.5px}
.setting-row{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:15px}
.setting-toggle,.menu-action,.reset-panel button{font:inherit;font-size:14px;font-weight:600;min-height:40px;padding:0 12px;border:1.5px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);cursor:pointer}
.setting-toggle[aria-pressed=true]{background:#e9e0cc;border-color:#b9a684}
.menu-action{text-align:left}
.reset-panel p{margin:0 0 8px;font-size:14px}
.reset-panel div{display:flex;gap:8px}
.menu-links{display:grid;gap:4px;padding-top:4px;border-top:1px solid var(--line)}
.menu-links a{color:var(--accent-dark);font-size:14.5px;min-height:34px;display:flex;align-items:center;text-underline-offset:3px}
.challenge-picker{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0 0 8px}
.mode-buttons{display:flex;gap:6px;padding:3px;border-radius:999px;background:#e6dbc3}
.mode-buttons button{font:inherit;font-size:14px;font-weight:650;min-height:40px;padding:0 14px;border:0;border-radius:999px;background:transparent;color:#5d5346;cursor:pointer}
.mode-buttons button[aria-pressed=true]{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px #3a2a1030}
.mode-buttons button:disabled{opacity:.7;cursor:default}
#challenge-label{margin:0;font-size:13.5px;color:var(--muted)}
.game{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:10px 10px 12px;box-shadow:0 12px 36px #3a2a1014}
.hud{display:grid;grid-template-columns:auto 1fr auto auto;gap:6px 10px;align-items:end;padding:2px 4px 10px}
.hud div{display:flex;flex-direction:column;gap:2px;min-width:0}
.hud span{color:var(--muted);font-size:12px;white-space:nowrap}
.hud strong{font-size:22px;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:700}
.hud strong small{font-size:14px;color:var(--muted);margin:0 2px;font-weight:500}
.hud-target{grid-column:1/-1;grid-row:2}
.hud-target strong{font-size:18px}
.target-bar{height:6px;border-radius:3px;background:#e6dbc3;overflow:hidden;margin-top:3px}
#target-fill{height:100%;width:0;border-radius:3px;background:var(--moss);transition:width .25s}
#target-fill.met{background:var(--accent)}
.pips{display:flex;gap:2px;padding-top:6px}
.pips i{width:6px;height:12px;border-radius:2px;background:var(--ink);display:block}
.pips i.spent{background:#d8cbb1}
.well{position:relative;aspect-ratio:7/10;width:min(100%,max(260px,calc((100vh - 110px) * .7)));margin:0 auto;background:var(--well);border-radius:12px;overflow:hidden;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;outline-offset:3px}
.well:focus-visible{outline:3px solid var(--accent)}
canvas{display:block;width:100%;height:100%;pointer-events:none}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:14px;background:#f1e7d1e6;backdrop-filter:blur(2px)}
.overlay[hidden]{display:none}
.overlay-card{width:min(100%,360px);max-height:100%;overflow:auto;padding:16px 16px 14px;border-radius:16px;background:var(--paper);border:1px solid var(--line);box-shadow:0 10px 30px #3a2a1022;text-align:center}
.kicker{margin:0 0 4px;font-size:11px;font-weight:750;letter-spacing:.12em;color:var(--accent-dark)}
.overlay-card h1,.overlay-card h2{margin:0;font-family:Georgia,"Iowan Old Style","Times New Roman",serif;font-size:clamp(22px,5.4vw,29px);line-height:1.12;letter-spacing:-.01em;font-weight:600}
.quick-howto{margin:10px 0 4px}
.howto-art{width:100%;max-width:280px;height:auto;display:block;margin:0 auto}
.quick-howto ol{list-style:none;margin:6px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;text-align:center}
.quick-howto li{display:flex;flex-direction:column;gap:1px;font-size:12.5px;line-height:1.3;color:var(--muted)}
.quick-howto li strong{font-size:14px;color:var(--ink)}
.result-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin:12px 0 4px}
.result-stats div{display:flex;flex-direction:column;gap:1px;padding:8px 4px;border-radius:10px;background:var(--well)}
.result-stats strong{font-size:22px;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.result-stats span{font-size:12px;color:var(--muted)}
.primary{display:block;width:100%;font:inherit;font-size:17px;font-weight:700;min-height:50px;margin:12px 0 0;padding:0 16px;border:0;border-radius:12px;background:var(--accent);color:#fff8ee;cursor:pointer}
.primary:hover{background:var(--accent-dark)}
.overlay-copy{margin:10px 0 0;font-size:14.5px;line-height:1.4}
.overlay-note{margin:6px 0 0;font-size:12.5px;color:var(--muted);line-height:1.4}
.overlay-fullscreen{display:flex;width:max-content;max-width:100%;align-items:center;justify-content:center;gap:7px;min-height:44px;margin:8px auto 0;padding:0 16px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font:inherit;font-size:14.5px;font-weight:650;cursor:pointer}
.overlay-fullscreen:hover{border-color:#b9a684}
.overlay-fullscreen svg{flex:none}
.play-controls{display:flex;gap:8px;margin:10px 0 0}
.secondary,.fullscreen-toggle{font:inherit;font-size:15px;font-weight:650;min-height:46px;padding:0 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px}
.secondary{flex:1}
.secondary:disabled{opacity:.45;cursor:default}
.fullscreen-toggle{flex:1}
.icon-control{flex:0 0 auto;width:52px;min-height:46px;padding:0;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:center}
.icon-control svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.icon-control .speaker{fill:currentColor}
.icon-control .cross{display:none}
.icon-control.is-muted{color:var(--muted)}
.icon-control.is-muted .wave{display:none}
.icon-control.is-muted .cross{display:block}
.fullscreen-toggle svg{fill:none;flex:none}
.status{margin:10px 4px 0;font-size:14.5px;line-height:1.4;min-height:1.4em;color:#4d443a}
.copy-score{display:block;width:100%;font:inherit;font-size:15px;font-weight:650;min-height:44px;margin:10px 0 0;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);cursor:pointer}
.copy-score[hidden]{display:none}
.share-panel{margin:8px 0 0}
.share-panel label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
.share-panel textarea{width:100%;font:inherit;font-size:14px;padding:8px;border:1px solid var(--line);border-radius:8px;background:#fff}
.try-another{margin:12px 4px 0;font-size:14px}
.try-another a,.app-footer a{color:var(--accent-dark);text-underline-offset:3px}
.app-footer{display:flex;flex-wrap:wrap;gap:6px 14px;margin:16px 4px 0;font-size:13px;color:var(--muted);line-height:1.5}
.help-sheet{width:min(100% - 24px,520px);max-height:calc(100vh - 40px);padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--paper);color:var(--ink);box-shadow:0 20px 60px #3a2a1040}
.help-sheet::backdrop{background:#2c2a2688}
.sheet-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.eyebrow{margin:0 0 3px;font-size:11px;font-weight:750;letter-spacing:.12em;color:var(--accent-dark)}
.help-sheet h2{margin:0;font-family:Georgia,"Iowan Old Style","Times New Roman",serif;font-size:24px;line-height:1.15;font-weight:600}
.help-sheet p{font-size:15.5px;line-height:1.55;margin:12px 0 0}
.sheet-close{font:inherit;font-size:14px;font-weight:650;min-height:40px;padding:0 12px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);cursor:pointer;flex:none}
.help-actions{margin-top:14px}
.fullscreen-tip{position:absolute;z-index:3;top:calc(max(10px,env(safe-area-inset-top)) + 60px);left:50%;transform:translateX(-50%);width:min(92%,420px);display:flex;align-items:center;gap:8px;padding:10px 8px 10px 14px;border-radius:14px;background:#2c2a26;color:#fff8ee;box-shadow:0 8px 24px #3a2a1040}
.fullscreen-tip p{margin:0;font-size:14px;line-height:1.4}
.fullscreen-tip button{flex:none;display:grid;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:10px;background:transparent;color:inherit}
.rtg-consent{padding:12px 13px;border-radius:14px;border:1px solid #cdbf9f;background:#fffaf0;box-shadow:0 10px 26px #3a2a1030;display:grid;gap:8px}
.rtg-consent p{margin:0;font-size:15px;line-height:1.35;color:#3f382f}
.rtg-consent a{color:var(--accent-dark);text-underline-offset:3px}
.rtg-consent-actions{display:flex;gap:8px}
.rtg-consent-allow{flex:1;font:inherit;font-size:15px;font-weight:700;min-height:44px;padding:9px 14px;border:0;border-radius:9px;background:var(--accent);color:#fff8ee;cursor:pointer}
.rtg-consent-decline{font:inherit;font-size:15px;font-weight:600;min-height:44px;padding:9px 12px;border:0;border-radius:9px;background:transparent;color:#6b6357;cursor:pointer}
.rtg-consent-allow:focus-visible,.rtg-consent-decline:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #c97a53;outline-offset:2px}
.fullscreen-fit{display:contents}
html.game-fullscreen-lock{overflow:hidden;overscroll-behavior:none}
.game.is-fullscreen{position:fixed;inset:0;z-index:2147483001;width:auto;max-width:none;margin:0;border:0;border-radius:0;box-shadow:none;background:var(--paper);overflow:auto;overscroll-behavior:none;padding:max(8px,env(safe-area-inset-top)) max(10px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));display:grid;gap:8px;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(min(40dvh,70vw),1fr) auto auto;grid-template-areas:"hud" "board" "controls" "status"}
.game.is-fullscreen .fullscreen-fit{grid-area:board;display:grid;place-items:center;container-type:size;align-self:stretch;justify-self:stretch;min-width:0;min-height:0}
.game.is-fullscreen .well{grid-area:auto;width:min(100cqw,calc(100cqh * .7));aspect-ratio:7/10;max-height:none;min-width:0;margin:0}
.game.is-fullscreen .hud{grid-area:hud;padding:0 2px}
.game.is-fullscreen .play-controls{grid-area:controls;margin:0}
.game.is-fullscreen .status{grid-area:status;margin:0 2px}
.game.is-fullscreen .copy-score,.game.is-fullscreen .share-panel,.game.is-fullscreen .try-another,.game.is-fullscreen .overlay-fullscreen{display:none}
@media (min-aspect-ratio:5/4){.game.is-fullscreen{column-gap:20px;grid-template-columns:minmax(0,1fr) clamp(220px,28vw,300px);grid-template-rows:auto auto minmax(0,1fr);grid-template-areas:"board hud" "board controls" "board status"}
.game.is-fullscreen .hud{grid-template-columns:1fr 1fr;align-content:start}.game.is-fullscreen .hud-target{grid-column:1/-1}.game.is-fullscreen .play-controls{flex-direction:column}}
@media (min-width:640px){.app-shell{margin-top:18px}.hud{grid-template-columns:auto 1fr auto auto auto}.hud-target{grid-column:2;grid-row:1;padding:0 8px}.hud strong{font-size:24px}.hud-target strong{font-size:19px}}
@media (prefers-reduced-motion:reduce){#target-fill{transition:none}}
.document{width:min(100% - 32px,620px);margin:24px auto 40px;font-size:16.5px;line-height:1.6}
.document h1{font-family:Georgia,"Iowan Old Style","Times New Roman",serif;font-size:clamp(28px,6vw,36px);line-height:1.12;margin:12px 0 10px;font-weight:600}
.document h2{font-size:19px;margin:24px 0 6px}
.document a{color:var(--accent-dark);text-underline-offset:3px}
.document footer{margin-top:32px;padding-top:12px;border-top:1px solid var(--line)}
.document footer nav{display:flex;gap:16px;flex-wrap:wrap}
.document summary{cursor:pointer;min-height:44px;display:flex;align-items:center}
.document label{display:flex;gap:8px;align-items:center;min-height:44px}
#analytics-choice{display:grid;gap:8px;margin:8px 0 12px}
#analytics-choice button{font:inherit;font-size:15px;font-weight:650;min-height:44px;width:max-content;max-width:100%;padding:0 14px;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer}
#analytics-choice p{margin:0}