/* Pairs: black lacquer, restrained gold, high-contrast ivory text. */
:root{color-scheme:dark;--paper:#080808;--ink:#f5f0e5;--muted:#c2b9a5;--gold:#d9bc78;--line:#51452d;--card:#121212;--spring:cubic-bezier(.22,1.45,.42,1);--banner-space:64px;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-decoration:none;text-transform:uppercase}
.home-bar:before{content:"\2190";font-size:1.15rem;line-height:1;transition:transform .2s}
.home-bar:hover{background:linear-gradient(110deg,#d0ad5c,#ffe9aa 48%,#d0ad5c)}
.home-bar:hover:before{transform:translateX(-3px)}
.home-bar:focus-visible{outline:3px solid #fff;outline-offset:-5px}
.game-shell{width:min(100%,440px);height:min(820px,calc(100svh - 52px - env(safe-area-inset-top)));min-height:520px;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:12px;margin-bottom:22px;flex-shrink:0}
.wordmark{font:500 38px/1 Georgia,serif;letter-spacing:-1.5px;color:var(--gold)}
.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(3,1fr);margin:0 0 18px;padding:0 0 16px;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:27px;line-height:1.1;font-weight:500;font-variant-numeric:tabular-nums}
.stat-total{font-size:16px;color:var(--muted)}
.play-area{position:relative;flex:1;min-height:260px;display:flex}
.board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(4,minmax(0,1fr));gap:12px;width:100%;height:100%;perspective:1000px}
.board[data-pairs='8'],.board[data-pairs='10']{grid-template-columns:repeat(4,minmax(0,1fr))}
.board[data-pairs='10']{grid-template-rows:repeat(5,minmax(0,1fr))}
.card{border:0;padding:0;background:transparent;position:relative;border-radius:12px;perspective:800px;-webkit-user-select:none;user-select:none}
.board .card{aspect-ratio:auto;width:100%;height:100%;min-width:0;min-height:0}
.card-inner{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .72s var(--spring);border-radius:inherit}
.card.is-flipped .card-inner,.card.is-matched .card-inner{transform:rotateY(180deg)}
.card-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:inherit;overflow:hidden}
.card-back{background:linear-gradient(145deg,#1d1b17,#0e0e0e 65%);box-shadow:0 3px 0 #5f4b26;display:grid;place-items:center;border:1px solid #8f7543}
.card-back:before{content:'';position:absolute;inset:5px;border:1px solid #9e814748;border-radius:8px}
.card-back:after{content:'';position:absolute;inset:9px;border:1px solid #9e814730;border-radius:5px}
.card-back svg{width:37%;height:61%;stroke:var(--gold);stroke-width:1;fill:none}
.card-front{background:#f7f3e9;transform:rotateY(180deg);border:1px solid #d9bc78;display:grid;place-items:center;container-type:size}
.art-frame{display:block;position:relative;width:min(84cqw,84cqh);height:min(84cqw,84cqh);aspect-ratio:1;overflow:hidden;border-radius:4px}
.card-art{position:absolute;inset:0;background-repeat:no-repeat;background-size:400% 300%}
.art-frame img{width:100%;height:100%;object-fit:contain;display:block}
.card.is-matched .card-front{border-color:#efd591;box-shadow:0 0 0 1px #d9bc7880}
.match-mark{position:absolute;right:4px;bottom:4px;width:17px;height:17px;border-radius:50%;color:#080808;background:#e0c583;display:none;align-items:center;justify-content:center;font:12px system-ui}
.is-matched .match-mark{display:flex}
.card:not(:disabled):active{transform:scale(.96)}
.card.is-matched{animation:match-pop .48s var(--spring)}
@keyframes match-pop{50%{transform:translateY(-3px) scale(1.025)}}
.start-layer{position:absolute;inset:0;display:grid;place-items:center;border-radius:12px;background:#0003;backdrop-filter:blur(2px);z-index:3}
.start-panel{width:84%;padding:22px 18px;background:#111;border:1px solid #947846;border-radius:18px;text-align:center;box-shadow:0 15px 45px #000a}
h2{font:400 32px/1.1 Georgia,serif;letter-spacing:-.7px;margin:0}
.tiny-ornament{color:var(--gold);font-size:24px}
.start-panel h2{margin:8px 0 12px}
.start-panel p{font-size:14px;line-height:1.5;color:var(--muted);margin:0 0 16px}
.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:650;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{font-size:22px;line-height:1}
.preview-hint{display:block;font-size:12px;color:var(--muted);margin-top:10px}
.countdown{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);padding:9px 14px;border:1px solid var(--gold);border-radius:20px;background:#111;color:var(--ink);white-space:nowrap;font-size:13px;z-index:4}
.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),390px);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{font-size:30px}
.dialog-top .icon-button{width:36px;height:36px}
.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);letter-spacing:0}.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:23px}.sound-muted{opacity:.55}
.eyebrow{font-size:12px;letter-spacing:1.5px;color:var(--gold);margin:0}
.field-label,legend{font-size:14px;font-weight:500}
.field-label{display:block;margin-bottom:6px}
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:14px 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}
.difficulty-label{margin-top:0}
.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}
input:disabled{opacity:.55}
.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}
.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:45px}
.result-stats strong{display:block;font-size:36px;font-weight:500}
.result-stats span{display:block;font-size:14px;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:350px){.game-shell{padding-left:12px;padding-right:12px}.top-actions{gap:3px}.icon-button{width:36px;height:40px}.wordmark{font-size:34px}.board{gap:10px}.stat-label{font-size:12px}.start-panel{padding:16px}.start-panel h2{font-size:27px}}
@media(max-height:680px){.game-shell{padding-top:12px}.topbar{margin-bottom:16px}.scorebar{padding-bottom:12px;margin-bottom:14px}.modal{padding:16px}.dialog-top{margin-bottom:10px}.dialog-top h2{font-size:28px}fieldset{margin:10px 0}.toggle-row{padding:9px 0;min-height:44px}.volume-label{margin-top:9px}#settings-form>.primary-button{margin-top:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition-duration:.01ms!important}}