.enclosure{width:min(480px,100%);margin:auto;padding:22px 16px}header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}header a{font-size:13px;color:var(--blue)}header strong{font-size:19px}button{border:0;border-radius:10px;padding:10px 14px;background:#edf0f5;color:var(--ink)}header button{border-radius:50%;width:30px;height:30px;padding:0;color:var(--blue)}nav{display:flex;gap:7px;justify-content:center;margin-bottom:16px}nav button{flex:1;padding:9px 0;font-size:12px}nav button.active{background:var(--blue);color:white}.puzzle-card{background:white;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 8px 28px #142b4a07}.puzzle-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:16px;font-variant-numeric:tabular-nums}.board{display:grid;grid-template-columns:repeat(6,1fr);gap:4px}.cell{aspect-ratio:1;padding:0;border-radius:7px;background:#f2f4f7;border:1px solid #e5e9ee;font-size:clamp(17px,5vw,25px);font-weight:650;transition:background .12s}.cell.wall{background:#3c4b60;border-color:#3c4b60}.cell.clue{background:#edf5ff;color:var(--blue);cursor:default}.cell.satisfied{color:#258356;background:#edf8f1}.actions{display:flex;gap:8px;margin-top:18px}.actions button{flex:1;font-size:12px}.actions .primary{flex:1.4}.primary{background:var(--blue);color:white}#status{min-height:30px;margin:15px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.caption{text-align:center;font-size:11px;line-height:1.6;color:var(--muted)}dialog{width:min(420px,90vw);border:0;border-radius:22px;padding:26px;box-shadow:0 20px 70px #0003}dialog::backdrop{background:#1d293b55;backdrop-filter:blur(5px)}dialog h2{margin-top:0}dialog p{font-size:14px;line-height:1.7;color:var(--muted)}dialog button{width:100%}@media(max-height:720px){.enclosure{padding-top:12px}header{margin-bottom:12px}.puzzle-card{padding:14px}.board{max-width:330px;margin:auto}.actions{margin-top:12px}}
.cell{position:relative}.cell.marked:after{content:"";position:absolute;top:50%;left:50%;width:7px;height:7px;border-radius:50%;background:#63728a;transform:translate(-50%,-50%)}.cell.hinted{outline:3px solid var(--blue);outline-offset:1px}.cell.hint-wall:before{content:"";position:absolute;inset:5px;border-radius:4px;background:#3c4b605c}.cell.hint-dot:before{content:"";position:absolute;top:50%;left:50%;width:11px;height:11px;border-radius:50%;background:#007aff66;transform:translate(-50%,-50%)}
.rule-section{padding:14px 0;border-top:1px solid var(--line)}.rule-section h3{margin:0 0 12px;font-size:14px;display:flex;gap:8px;align-items:center}.rule-section h3>span{display:grid;place-items:center;background:#e8f2ff;color:var(--blue);border-radius:50%;width:23px;height:23px;font-size:11px}.rule-section p{font-size:12px;margin:9px 0 0;line-height:1.6}.state-cycle{display:flex;align-items:center;justify-content:center;gap:13px}.state-cycle>div{text-align:center}.state-cycle small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.state-cycle>b{color:var(--blue);font-size:19px}.demo-cell{display:block;position:relative;width:42px;height:42px;border:1px solid #e5e9ee;border-radius:7px;background:#f2f4f7}.demo-wall{background:#3c4b60!important;border-color:#3c4b60!important}.demo-dot:after,.demo-hint-dot:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:#63728a;top:50%;left:50%;transform:translate(-50%,-50%)}.count-example{display:flex;align-items:center;gap:18px}.demo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:3px;width:175px;flex-shrink:0}.demo-grid i{display:grid;place-items:center;aspect-ratio:1;background:#f2f4f7;border-radius:4px;font-style:normal;font-size:14px;color:var(--blue)}.demo-grid .seen{background:#dcedff}.demo-grid .origin{background:var(--blue);color:white;font-size:19px;font-weight:700}.count-explanation strong{font-size:12px;color:var(--blue)}.demo-legend{display:flex;gap:14px;font-size:10px;color:var(--muted);margin-top:12px}.demo-legend span{display:flex;gap:5px;align-items:center}.demo-legend i{display:block;width:10px;height:10px;border-radius:3px}.legend-seen{background:#dcedff}.legend-wall{background:#3c4b60}.hint-examples{display:flex;gap:18px}.hint-examples>div{display:flex;align-items:center;gap:10px;flex:1}.hint-examples p{margin:0;font-size:11px}.hint-examples strong{font-weight:500;color:var(--ink)}.demo-hint-wall,.demo-hint-dot{outline:2px solid var(--blue);outline-offset:1px}.demo-hint-wall:after{content:"";position:absolute;inset:5px;border-radius:4px;background:#3c4b605c}.demo-hint-dot:after{width:11px;height:11px;background:#007aff66}#rules{width:min(480px,94vw);max-height:90svh;overflow:auto}#rules h2{font-size:23px;margin-bottom:16px}#rules form{margin-top:10px}@media(max-width:380px){.demo-grid{width:140px}.count-example{gap:10px}.count-explanation strong{font-size:10px}.hint-examples{gap:8px}.hint-examples>div{gap:6px}}
.mode-buttons{display:flex;gap:10px}.mode-buttons>*{flex:1;text-align:center;border-radius:12px;padding:14px;font-size:14px}.daily-entry{background:#e9f3ff;color:var(--blue)}#levels{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px}#levels button{font-size:11px;padding:11px 3px}.play-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.play-toolbar button{font-size:11px;padding:6px 9px}#hintCount{font-size:11px;color:var(--muted)}.stars{color:#ffb020;font-size:36px;letter-spacing:5px;margin:20px 0}#result{text-align:center}#shareStatus{white-space:pre-wrap;overflow-wrap:anywhere}button:disabled{cursor:default;opacity:.45}[hidden]{display:none!important}
.difficulty-tabs{display:flex;gap:4px;background:#edf0f5;padding:4px;border-radius:12px;margin-bottom:14px}.difficulty-tabs button{flex:1;font-size:12px;padding:8px;background:transparent}.difficulty-tabs button.active{background:#fff;color:var(--blue);box-shadow:0 2px 6px #0001}
.daily-progress{margin:0 0 14px;color:var(--ink);font-size:13px;font-weight:600}#hintWarning form{margin-top:8px}#status:empty{min-height:0;margin:0}.play-toolbar{gap:8px}