:root{color-scheme:dark;--paper:#080808;--ink:#f5f0e5;--muted:#c2b9a5;--gold:#d9bc78;--line:#51452d;--panel:#121212;--spring:cubic-bezier(.22,1.35,.42,1);--banner-space:38px;font-family:system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-height:100svh;background:#080808;-webkit-tap-highlight-color:transparent}
button,a,input,select{touch-action:manipulation}button,input,select{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:default}a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.home-bar{position:sticky;top:0;z-index:30;display:flex;width:100%;min-height:calc(52px + env(safe-area-inset-top));align-items:center;justify-content:center;gap:10px;border-bottom:1px solid #f4dfa5;background:linear-gradient(110deg,#b18a38,#f0d98e 48%,#b18a38);color:#090806;padding-top:env(safe-area-inset-top);box-shadow:0 8px 28px #0009,inset 0 1px #fff8;font-size:.88rem;font-weight:850;letter-spacing:.16em;text-transform:uppercase}
.home-bar:before{content:'←';font-size:1.15rem;line-height:1;transition:transform .2s}.home-bar:hover:before{transform:translateX(-3px)}.home-bar:focus-visible{outline:3px solid #fff;outline-offset:-5px}
.game-shell{width:min(100%,470px);height:min(850px,calc(100svh - 52px - env(safe-area-inset-top)));min-height:568px;margin-inline:auto;padding:18px 22px calc(12px + env(safe-area-inset-bottom) + var(--banner-space));display:flex;flex-direction:column;background:#080808}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px;flex-shrink:0}.game-identity{min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.wordmark{font:500 37px/1 Georgia,serif;letter-spacing:-1.5px;color:var(--gold)}
.player-name{max-width:155px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.player-name:empty{display:none}.top-actions{display:flex;align-items:center;gap:5px}
.icon-button{width:40px;height:40px;border:1px solid #554625;background:#15130e;color:#ecd59c;border-radius:50%;display:grid;place-items:center;flex-shrink:0;font-size:23px;line-height:1;transition:background .2s,transform .3s var(--spring)}.icon-button:hover{background:#272218}.icon-button:active{transform:scale(.92)}.info-icon{font:italic bold 21px Georgia,serif}
.scorebar{display:grid;grid-template-columns:repeat(4,1fr);margin:0 0 17px;padding:0 0 15px;border-bottom:1px solid var(--line);flex-shrink:0}.scorebar>div{text-align:center;border-right:1px solid var(--line)}.scorebar>div:last-child{border:0}.stat-label{font-size:12px;letter-spacing:1.4px;display:block;color:var(--muted);margin-bottom:5px}.scorebar strong{font-size:25px;line-height:1.1;font-weight:500;font-variant-numeric:tabular-nums}
.play-area{position:relative;flex:1;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center}.puzzle-frame{position:relative;width:min(100%,54svh,420px);aspect-ratio:1;border:1px solid #67552f;border-radius:15px;background:#17140e;padding:7px;box-shadow:0 18px 55px #000b,0 0 0 1px #d9bc7812;overflow:hidden}
.board{width:100%;height:100%;display:grid;gap:4px;grid-template-columns:repeat(var(--grid-size),1fr);grid-template-rows:repeat(var(--grid-size),1fr);background:#080808;transition:gap .7s var(--spring),padding .7s var(--spring);touch-action:none}.board.solved{gap:0}.tile{position:relative;min-width:0;min-height:0;overflow:hidden;border:0;padding:0;border-radius:3px;background:#080808;box-shadow:inset 0 0 0 1px #fff2;transition:border-radius .7s var(--spring),filter .2s,box-shadow .2s;will-change:transform;touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.tile-image{position:absolute;inset:0;z-index:0;background-image:var(--puzzle-image);background-repeat:no-repeat;transition:transform .28s var(--spring),clip-path .28s,border-radius .28s;pointer-events:none}.board.is-hard .tile{border-radius:0;background:transparent;box-shadow:none}.board.is-hard .tile-image{border-radius:50%;clip-path:circle(45% at 50% 50%);box-shadow:inset 0 0 0 2px #e8d19780}.board.is-hard .tile:focus-visible{outline:3px solid var(--gold);outline-offset:-3px;filter:none}.board.is-hard .tile:focus-visible .tile-image{filter:drop-shadow(0 0 6px var(--gold)) brightness(1.08)}.tile:hover:not(:disabled){filter:brightness(1.08)}.tile.is-selected{z-index:2;box-shadow:0 0 18px #d9bc78}.tile.is-selected:before{content:'';position:absolute;inset:0;z-index:1;border:4px solid #f4da91;border-radius:3px;pointer-events:none}.board.is-hard .tile.is-selected{box-shadow:none}.board.is-hard .tile.is-selected:before{inset:5%;border-radius:50%;box-shadow:0 0 8px #d9bc78}.board.is-hard .tile.is-selected .tile-image{filter:brightness(1.1)}.tile.is-selected:after{content:'✓';position:absolute;right:5px;top:5px;z-index:2;width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:#e3c77f;color:#080808;font-weight:900;box-shadow:0 2px 8px #0009}.board.is-hard .tile.is-selected:after{right:50%;top:8%;transform:translateX(50%)}.board.solved .tile,.board.is-hard.solved .tile{border-radius:0;clip-path:none;box-shadow:none}.tile:disabled{opacity:1}
.hint-preview{position:absolute;inset:7px;z-index:4;border-radius:8px;background:var(--puzzle-image) center/cover no-repeat;box-shadow:inset 0 0 0 1px #fff2}.start-layer{position:absolute;inset:7px;z-index:5;display:grid;place-items:center;background:#080808ed;backdrop-filter:blur(7px);border-radius:9px;padding:14px}.start-panel{width:min(100%,290px);text-align:center}.start-preview{width:150px;aspect-ratio:1;margin:0 auto 12px;border:1px solid #b69652;border-radius:12px;background:var(--puzzle-image) center/cover;box-shadow:0 10px 35px #000b}.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--gold);margin:0}.start-panel h2{margin:5px 0 8px;font:400 27px/1.1 Georgia,serif}.start-panel p:not(.eyebrow){margin:0 0 15px;color:var(--muted);font-size:13px;line-height:1.45}.play-hint{width:100%;height:40px;margin:9px 0 0;color:var(--muted);font-size:13px;line-height:1.35;text-align:center;display:flex;align-items:center;justify-content:center}.tile-actions{width:min(100%,420px);min-height:40px;display:none;grid-template-columns:40px 40px;justify-content:center;align-items:center;gap:12px;margin-top:3px}.tile-actions.is-visible{display:grid}.tile-actions>span{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.rotate-button{width:40px;height:40px;border:1px solid var(--gold);border-radius:50%;background:#211b10;color:#f0d98e;font-size:25px;line-height:1;transition:opacity .18s,background .2s,transform .2s}.rotate-button:disabled{opacity:.32}.rotate-button:hover:not(:disabled){background:#302716}.rotate-button:active:not(:disabled){transform:scale(.93)}.help-panel{width:min(100%,420px);margin-top:4px}.help-button{width:100%;min-height:40px;border:1px solid #8f7543;border-radius:10px;background:#17140e;color:var(--ink);padding:8px 13px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;font-weight:650;transition:background .2s,transform .2s}.help-button:hover:not(:disabled){background:#292318}.help-button:active:not(:disabled){transform:scale(.98)}.help-button strong{color:var(--gold);font-variant-numeric:tabular-nums}.help-button:disabled{opacity:.45}
.primary-button{min-height:44px;padding:11px 16px;border:1px solid var(--gold);border-radius:10px;background:var(--gold);color:#101010;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:18px;transition:transform .3s var(--spring),background .2s}.primary-button:hover{background:#ecd49d}.primary-button:active{transform:scale(.97)}.start-panel .primary-button,.modal .primary-button{width:100%}.primary-button span[aria-hidden]{font-size:22px;line-height:1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.modal{width:min(calc(100vw - 28px),400px);max-height:calc(100dvh - 24px);overflow:auto;border:1px solid #8f7543;background:#111;color:var(--ink);border-radius:20px;padding:22px;box-shadow:0 25px 100px #000c}.modal::backdrop{background:#000b;backdrop-filter:blur(5px)}.modal.fallback-open{position:fixed;z-index:100;top:50%;left:50%;margin:0;transform:translate(-50%,-50%)}
.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.dialog-top h2,.compact-modal h2,.result-modal h2{font:400 30px/1.1 Georgia,serif;margin:0}.dialog-top .icon-button{width:36px;height:36px}.field-label,legend{font-size:14px;font-weight:550}.field-label{display:block;margin-bottom:6px}.image-label{margin-top:13px}select{width:100%;height:42px;background:#202020;border:1px solid #75623e;border-radius:9px;color:var(--ink);padding:7px 10px;font-size:16px}fieldset{border:0;padding:0;margin:15px 0}legend{margin-bottom:7px}.difficulty-options{display:flex;gap:8px}.difficulty-choice{flex:1;position:relative}.difficulty-choice input{position:absolute;opacity:0;width:1px;height:1px}.difficulty-choice span{padding:10px 4px;display:block;text-align:center;border:1px solid #75623e;border-radius:9px;font-size:14px;cursor:pointer}.difficulty-choice input:checked+span{background:var(--gold);color:#101010}.difficulty-choice input:focus-visible+span{outline:3px solid var(--gold);outline-offset:3px}.mode-options .difficulty-choice span{display:flex;align-items:center;justify-content:center;gap:8px}.mode-shape{display:inline-block;width:17px;height:17px;border:2px solid currentColor;background:#ffffff18}.mode-shape.easy{border-radius:3px}.mode-shape.hard{border-radius:50%}.help-options .difficulty-choice span{padding-inline:8px}
.toggle-row{padding:12px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;min-height:48px}.toggle-row strong{font-size:14px;font-weight:500}input[role=switch]{appearance:none;width:40px;height:24px;margin:0;flex:0 0 40px;border:1px solid #8e836d;border-radius:20px;background:#39372f;position:relative;cursor:pointer;transition:background .2s}input[role=switch]:before{content:'';width:16px;height:16px;background:#f5f0e5;position:absolute;top:3px;left:3px;border-radius:50%;transition:transform .2s}input[role=switch]:checked{background:var(--gold);border-color:var(--gold)}input[role=switch]:checked:before{transform:translateX(16px);background:#111}.volume-label{display:flex;justify-content:space-between;margin-top:12px}input[type=range]{width:100%;height:22px;margin:0;accent-color:var(--gold)}#settings-form>.primary-button{margin-top:16px}
.record-panel{margin:0 0 22px;padding:14px;border:1px solid #6c5831;border-radius:14px;background:linear-gradient(145deg,#1d1911,#0c0c0b)}.record-list{display:grid;gap:12px;margin-top:10px}.record-group{display:grid;gap:3px}.record-group-title{margin:0 8px 3px;color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.04em}.record-row{display:grid;grid-template-columns:60px 1fr;gap:10px;align-items:center;min-height:34px;padding:6px 8px;border-radius:8px;color:var(--muted);font-size:13px}.record-row.is-current{background:#d9bc7818;box-shadow:inset 2px 0 var(--gold)}.record-row strong{color:var(--ink);font-weight:600}.record-note{margin:10px 2px 0;color:var(--muted);font-size:11px;line-height:1.45}.rules>p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 12px}.rules h3{font:600 15px system-ui;margin:20px 0 10px;color:var(--gold)}.rules h3.rules-title{margin-top:0;color:var(--ink);font:400 26px/1.15 Georgia,serif}.control-rule{display:flex;gap:12px;align-items:center;margin:10px 0}.control-rule p{font-size:14px;line-height:1.45;margin:0}.control-symbol{flex:0 0 36px;height:36px;display:grid;place-items:center;border:1px solid #554625;border-radius:50%;background:#15130e;color:#ecd59c;font-size:22px}
.compact-modal h2{margin:12px 0}.compact-modal>p:not(.eyebrow),.result-modal>p{font-size:14px;line-height:1.5;color:var(--muted)}.dialog-buttons{display:flex;gap:8px;margin-top:22px}.secondary-button{border:1px solid #8f7543;border-radius:10px;background:transparent;color:var(--ink);padding:10px 12px;font-size:14px}.dialog-buttons .primary-button{width:auto;flex:1}.result-modal{text-align:center}.result-emblem{margin:18px auto;width:70px;height:70px;display:grid;place-items:center;border:1px solid var(--gold);border-radius:50%;font-size:42px;color:var(--gold)}.result-stats{display:flex;justify-content:center;margin:22px 0;gap:30px}.result-stats strong{display:block;font-size:32px;font-weight:500}.result-stats span{display:block;font-size:13px;color:var(--muted);margin-top:5px}.result-best{background:#292318;padding:12px;border-radius:10px}.result-modal .local-note{font-size:12px;margin-bottom:0}[hidden]{display:none!important}
.reduced-motion *,.reduced-motion *:before,.reduced-motion *:after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
@media(max-width:370px){.game-shell{padding-left:12px;padding-right:12px}.top-actions{gap:3px}.icon-button{width:36px;height:40px}.wordmark{font-size:33px}.player-name{max-width:90px;font-size:10px}.stat-label{font-size:11px;letter-spacing:1px}.scorebar strong{font-size:23px}.puzzle-frame{padding:5px}.hint-preview,.start-layer{inset:5px}.start-preview{width:128px}.play-hint{margin-top:7px}.help-button{padding-inline:9px}}
@media(max-height:720px){.game-shell{padding-top:11px}.topbar{margin-bottom:12px}.scorebar{padding-bottom:10px;margin-bottom:10px}.puzzle-frame{width:min(100%,43svh,340px)}.start-preview{width:112px}.start-panel h2{font-size:24px}.play-hint{margin-top:6px}.help-button{min-height:36px}.modal{padding:16px}.dialog-top{margin-bottom:10px}}
@media(min-width:700px){.game-shell{width:min(100%,620px)}.puzzle-frame{width:min(100%,58svh,520px)}}
@media(min-width:700px) and (orientation:portrait){.game-shell{width:min(100%,744px);height:calc(100svh - 52px - env(safe-area-inset-top));padding-inline:22px}.puzzle-frame{width:min(100%,65svh,700px)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important}}