:root{font:15px/1.5 system-ui,-apple-system,Arial,sans-serif;color:#233e45;background:#e8ebdf;--accent:#df7259}*{box-sizing:border-box}body{margin:0;overscroll-behavior:none}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;min-width:44px;min-height:44px;padding:8px 12px;border:1px solid #bbcbc0;border-radius:11px;background:#f6f1e2;color:#233e45;cursor:pointer;touch-action:manipulation;user-select:none}button:hover{border-color:var(--accent);background:#fffaed}button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{opacity:.38;cursor:default}header{max-width:1190px;margin:auto;height:58px;padding:6px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px}header>a:first-child{font-size:12px;text-decoration:none;color:#617d7c;min-height:44px;display:flex;align-items:center}.wordmark{font-size:18px;font-weight:850;letter-spacing:2px;text-decoration:none;color:#233e45;direction:ltr}.wordmark span{font-weight:400}nav{display:flex;gap:6px}nav button{background:transparent}main{max-width:1150px;min-height:calc(100dvh - 58px);padding:6px 20px 16px;margin:auto;display:grid;grid-template-columns:minmax(190px,240px) minmax(0,1fr);align-items:center;gap:28px}.side{display:flex;flex-direction:column;gap:18px}.side small{font-size:10px;color:#788e85}.side h1{font-size:clamp(25px,3vw,38px);line-height:1.2;margin:12px 0;font-weight:650}.side>div>p{font-size:16px;color:#6e8684}.round-strip{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #bacabc;padding-bottom:8px}.round-strip button{border:0;background:transparent;font-weight:750;letter-spacing:1px;padding-inline:0}#stars{color:#bd9150;letter-spacing:3px}.rule-card{padding:14px;border:1px solid #c0ccbc;border-radius:15px;background:#f5f1e3}.rule-card>div{display:flex;align-items:center;gap:10px}#modeIcon{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent);color:white;font-size:22px}#modeName{font-size:13px}#phaseCount{margin-inline-start:auto;font-size:11px;color:#78908a}.rule-card p{font-size:13px;line-height:1.65;margin:9px 0 0}#nextRule,#help{display:none}.stats{display:flex;justify-content:space-between;gap:10px;color:#6c8587;font-size:11px}.play-column{width:min(100%,calc(100dvh - 186px));min-width:0;justify-self:center}#boardFrame{position:relative;background:#263f46;border-radius:26px;padding:7px;box-shadow:0 14px 40px #2541471c}.frame-top{height:38px;padding-inline:10px 1px;display:flex;align-items:center;gap:5px;color:#dce5d6}.frame-top>span{font-size:11px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin-inline-end:auto}.frame-top button{background:transparent;border:0;color:#c8d9c6;min-width:44px;min-height:38px;font-size:19px;padding:2px 7px}#aid{font-size:14px}#board{display:block;width:100%;aspect-ratio:1;touch-action:none;border-radius:23px;outline:0}.controls{display:flex;align-items:center;gap:10px;direction:ltr;padding-top:10px}#directions{display:grid;grid-template-columns:repeat(4,44px);gap:4px}#directions button{touch-action:none;padding:4px;font-size:19px}#action{flex:1;font-size:13px;font-weight:650}.primary{background:#263f46;border-color:#263f46;color:#f3efdc;box-shadow:0 3px 0 #192c31}button.primary:hover{background:#34565c;color:#fffae9}#ruleHelp{background:transparent}#overlay{position:absolute;inset:45px 7px 7px;display:grid;place-items:center;text-align:center;padding:20px;border-radius:24px;background:#f5efdcf5;backdrop-filter:blur(5px)}#overlay[hidden]{display:none}#overlay article{max-width:340px}.seal-mark{display:block;font-size:40px;color:var(--accent)}#overline{display:none}#overlay h2{font-size:clamp(24px,3.4vw,36px);line-height:1.3;margin:16px 0}#overlay p{font-size:13px;color:#708781;line-height:1.7}#overlay button{margin-top:12px;min-width:160px}#announcement{position:absolute;inset-inline:25px;bottom:18px;background:#243f48e8;color:#f5eed8;border-radius:10px;padding:8px;font-size:12px;text-align:center;pointer-events:none}#announcement:empty{display:none}dialog{width:min(680px,94vw);max-height:88dvh;padding:18px;border:1px solid #b6c7b8;border-radius:20px;background:#f5efdf;color:#233e45;box-shadow:0 20px 70px #152d3d55;overscroll-behavior:contain;scrollbar-gutter:stable}dialog::backdrop{background:#193b4688;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:15px;position:sticky;top:-18px;background:#f5efdf;padding:3px 0 10px;z-index:2}.dialog-head h2{font-size:20px;margin:0}.dialog-head button{background:none}#body p{font-size:14px;line-height:1.8;color:#637d7e}#body>button{margin:5px}.chapter-tabs{display:flex;gap:5px;margin-bottom:14px}.chapter-tabs button{flex:1;padding:7px;font-size:12px}.chapter-tabs [aria-pressed=true]{border-color:var(--accent);background:#e1e9db}.cards{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}.round-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:83px;padding:8px 4px}.round-card b{font-size:20px}.round-card small{font-size:11px;line-height:1.5;direction:ltr;unicode-bidi:isolate}.round-card i{font-style:normal;color:#a37c42;font-size:11px}.settings button{margin:4px}.settings label{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:18px 0}.settings input{max-width:50%;accent-color:#428e83}#rounds,#phaseCount,#intro{direction:ltr;unicode-bidi:isolate}html[dir=rtl],html[dir=rtl] button{font-family:Tahoma,Arial,sans-serif}
@media(max-width:850px){header{padding-inline:14px;height:54px}main{grid-template-columns:1fr;max-width:760px;gap:8px;padding:0 12px 14px;min-height:0}.side{display:grid;grid-template-columns:1fr auto;gap:5px}.side>div:first-child{display:none}.round-strip{border:0;grid-column:2;grid-row:1;padding:0;gap:10px}#stars{display:none}.rule-card{grid-column:1;grid-row:1;padding:4px 10px;border:0;background:transparent}.rule-card>div{gap:7px}#modeIcon{width:25px;height:25px;font-size:19px}.rule-card p{font-size:12px;margin:3px 0 0;line-height:1.5}.stats{grid-column:1/-1;font-size:10px;padding-inline:10px}.play-column{width:min(100%,calc(100dvh - 245px));min-width:0}.frame-top{height:38px}.controls{padding-top:8px;gap:7px}#action{font-size:12px}#overlay h2{font-size:28px}.cards{grid-template-columns:repeat(4,minmax(0,1fr))}.round-card{min-height:74px}.wordmark{font-size:16px;letter-spacing:1px}}
@media(max-width:600px){.play-column{width:min(100%,max(250px,calc(100dvh - 245px)))}.frame-top>span{font-size:10px}#boardFrame{border-radius:22px;padding:5px}#overlay{inset:43px 5px 5px;padding:15px}#overlay h2{font-size:26px}.chapter-tabs button{font-size:11px}.dialog-head h2{font-size:18px}dialog{padding:14px}.dialog-head{top:-14px}}
@media(max-width:370px){header{padding-inline:10px}.wordmark{font-size:14px}main{padding-inline:7px}#directions{grid-template-columns:repeat(4,44px);gap:1px}.controls{gap:4px}#action{padding:5px;font-size:11px}.rule-card{padding-inline:3px}#modeName{font-size:11px}#phaseCount{font-size:10px}.rule-card p{font-size:11px}#rounds{font-size:12px}.cards{gap:5px}.round-card{min-height:68px}dialog{width:96vw;padding:12px}.chapter-tabs{gap:3px}.chapter-tabs button{font-size:10px;padding:5px}}
@media(max-height:540px) and (min-width:750px){header{height:48px}main{grid-template-columns:190px minmax(0,1fr);gap:20px;min-height:0}.side{display:flex;gap:12px}.side>div:first-child{display:none}.play-column{width:min(100%,calc(100dvh - 174px))}#overlay h2{font-size:23px}.seal-mark{display:none}.rule-card{border:1px solid #c0ccbc;padding:10px}.round-strip{display:flex}#stars{display:block}}
@media(prefers-reduced-motion:reduce){#overlay,dialog::backdrop{backdrop-filter:none}}