:root{--ink:#262040;--muted:#756f83;--paper:#fff7e9;--card:#fffdf8;--line:#ddd3bf;--coral:#ff5f68;--teal:#18a897;--purple:#7156d9;--shadow:#d9cfba;box-sizing:border-box;font-family:ui-rounded,"Arial Rounded MT Bold",system-ui,sans-serif;color:var(--ink);background:linear-gradient(145deg,#fff9ed,#f4efff)}*{box-sizing:inherit}body{margin:0;min-height:100vh;background:radial-gradient(circle at 10% 6%,#ffe1b8 0 7rem,transparent 7.1rem),radial-gradient(circle at 94% 88%,#d8fff0 0 9rem,transparent 9.1rem),linear-gradient(145deg,#fff9ed,#f4efff);padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(18px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}.skip{position:fixed;left:1rem;top:-5rem;background:#fff;padding:.8rem;z-index:20}.skip:focus{top:1rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}button,input{font:inherit}button{color:inherit}.topbar{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:.4rem 0 1rem;border-bottom:1px solid #e2dacb}.brand{display:flex;align-items:center;gap:.55rem;color:inherit;text-decoration:none;font-weight:950}.brand img{width:38px;height:38px}.topbar>div{display:flex;align-items:center;gap:.65rem}.topbar>div>span{font-weight:850}.quiet,.segments button,.text-button{border:2px solid var(--line);background:#fffaf2;border-radius:14px;padding:.7rem .9rem;font-weight:800;cursor:pointer}.sound{border:0;background:var(--ink);color:#fff;border-radius:999px;padding:.65rem .9rem;font-weight:800}.setup,.play{width:min(1040px,100%);margin:0 auto}.intro{display:flex;align-items:center;justify-content:center;gap:1.2rem;padding:clamp(2rem,6vw,5rem) 1rem 2rem;text-align:left}.intro img{width:clamp(84px,14vw,130px);filter:drop-shadow(0 10px 0 #e0d4bc)}.eyebrow{margin:0 0 .35rem;color:var(--purple);font-size:.78rem;font-weight:950;text-transform:uppercase;letter-spacing:.14em}.intro h1{font-size:clamp(2.7rem,8vw,5rem);line-height:.95;margin:0}.intro>div>p:last-child{font-size:clamp(1rem,2.5vw,1.35rem);color:var(--muted);margin:.7rem 0}.setup-card{background:rgba(255,255,255,.9);border:2px solid var(--line);border-radius:30px;padding:clamp(1rem,4vw,2rem);box-shadow:0 12px 0 var(--shadow)}.setup-title{display:flex;justify-content:space-between;gap:1rem;align-items:start}.setup-title span{color:var(--muted);font-weight:800}.setup-title h2{font-size:clamp(1.35rem,4vw,2rem);margin:.25rem 0 1.2rem}.text-button{border:0;background:none;color:var(--purple);white-space:nowrap}fieldset{border:0;padding:0;margin:0 0 1.2rem}legend{font-weight:900;margin-bottom:.6rem}.segments{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:.55rem}.segments button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white;box-shadow:0 5px 0 #5a4a9c}.options,.player-fields{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.player-fields label{display:grid;gap:.4rem;font-weight:850}.player-fields input{min-width:0;border:2px solid var(--line);border-radius:14px;padding:.85rem;background:#fff}.player-fields fieldset{grid-column:1/-1}fieldset small{display:block;color:var(--muted);margin-top:.5rem}.primary{border:0;background:#74ddb5;color:#173a32;border-radius:15px;padding:.9rem 1.1rem;font-weight:950;cursor:pointer;box-shadow:0 7px 0 #249a72}.start{width:100%;font-size:1.05rem;display:flex;justify-content:center;gap:1rem}.offline-status{text-align:center;color:var(--muted);font-size:.85rem;margin:.9rem 0 0}.recovery{background:#fff3c9;border:2px solid #e2b63c;border-radius:15px;padding:.8rem;margin-bottom:1rem}.game-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.5rem 0 1rem}.game-head h1{font-size:clamp(1.45rem,4vw,2.35rem);margin:0}.game-head>div>p:last-child{color:var(--muted);margin:.35rem 0}.head-actions{display:flex;gap:.5rem}.score{width:min(680px,100%);margin:0 auto 1.2rem;display:grid;grid-template-columns:1fr .7fr 1fr;background:#fff;border:2px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 7px 0 var(--shadow)}.score div{display:grid;grid-template-columns:1fr auto;gap:.1rem .5rem;padding:.8rem 1rem;align-items:center}.score div+div{border-left:1px solid var(--line)}.score small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-weight:750}.score strong{grid-row:1/3;grid-column:2;font-size:1.7rem}.score span{font-weight:950;color:var(--purple)}.game-stage{position:relative;width:min(560px,calc(100vw - 24px));margin:auto}.board-wrap{position:relative;aspect-ratio:1}.board{height:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(7px,1.5vw,12px);padding:clamp(9px,2vw,15px);border-radius:30px;background:var(--ink);box-shadow:0 12px 0 #bfb5a3}.cell{position:relative;border:0;border-radius:clamp(16px,4vw,27px);background:#fffaf1;cursor:pointer;display:grid;place-items:center;overflow:hidden;box-shadow:inset 0 -6px 0 #e8deca;min-width:0}.cell:not(:disabled):hover{background:#fff}.cell:not(:disabled):active{transform:scale(.96)}.cell:disabled{opacity:1;cursor:default}.cell:focus-visible,button:focus-visible,input:focus-visible{outline:4px solid #ffbd38;outline-offset:3px}.mark{width:58%;height:58%;display:grid;place-items:center;animation:pop .18s ease-out}.mark.x i{position:absolute;width:76%;height:12%;border-radius:999px;background:var(--coral);transform:rotate(45deg);animation:stroke .2s ease-out both}.mark.x i+ i{transform:rotate(-45deg);animation-delay:.08s}.mark.o i{width:78%;height:78%;border:clamp(8px,1.8vw,14px) solid var(--teal);border-radius:50%;animation:ring .25s ease-out}.winning .mark{animation:celebrate .28s ease-in-out 2 alternate}.win-line{position:absolute;z-index:3;background:#ffbd38;border-radius:999px;pointer-events:none;box-shadow:0 2px 0 #9d6e00}.win-line.r1,.win-line.r2,.win-line.r3{left:8%;right:8%;height:2.2%;transform:translateY(-50%) scaleX(0);animation:horizontal .28s forwards}.r1{top:17%}.r2{top:50%}.r3{top:83%}.win-line.c1,.win-line.c2,.win-line.c3{top:8%;bottom:8%;width:2.2%;transform:translateX(-50%) scaleY(0);animation:vertical .28s forwards}.c1{left:17%}.c2{left:50%}.c3{left:83%}.win-line.d1,.win-line.d2{left:8%;top:49%;width:84%;height:2.2%;transform:rotate(45deg) scaleX(0);animation:diagonal1 .28s forwards}.win-line.d2{transform:rotate(-45deg) scaleX(0);animation-name:diagonal2}.draw{animation:drawpulse .25s ease-in-out 2 alternate}.thinking{position:absolute;inset:auto 50% 1.2rem auto;translate:50% 0;background:#fff;border:2px solid var(--line);border-radius:999px;padding:.55rem .8rem;display:flex;align-items:center;gap:.5rem;box-shadow:0 5px 0 var(--shadow);font-weight:850}.thinking i{width:1rem;height:1rem;border:3px dotted var(--purple);border-radius:50%;animation:spin 1.2s linear infinite}.result-banner{width:min(680px,100%);margin:1.5rem auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1rem;background:#fff;border:2px solid var(--line);border-radius:22px;box-shadow:0 7px 0 var(--shadow)}.result-banner>div{display:flex;align-items:center;gap:.8rem}.result-banner>div:first-child>span{display:grid;place-items:center;width:55px;height:55px;border-radius:16px;background:#fff0c1;font-weight:950;font-size:1.3rem}.result-banner strong,.result-banner small{display:block}.result-banner small{color:var(--muted);margin-top:.15rem}dialog{width:min(470px,calc(100% - 24px));border:0;border-radius:25px;padding:1.3rem;color:var(--ink);box-shadow:0 25px 70px #17102666}dialog::backdrop{background:#20193999;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between}.dialog-head h2{margin:0}.dialog-head button{border:2px solid var(--line);background:#fff;border-radius:12px;width:44px;height:44px;font-size:1.4rem}.dialog-actions{display:flex;justify-content:flex-end;gap:.6rem;margin-top:1.2rem}@keyframes stroke{from{scale:0 1}}@keyframes ring{from{stroke-dashoffset:100;scale:.6;opacity:.2}}@keyframes pop{from{scale:.7;opacity:.4}}@keyframes celebrate{to{scale:1.08;rotate:3deg}}@keyframes horizontal{to{transform:translateY(-50%) scaleX(1)}}@keyframes vertical{to{transform:translateX(-50%) scaleY(1)}}@keyframes diagonal1{to{transform:rotate(45deg) scaleX(1)}}@keyframes diagonal2{to{transform:rotate(-45deg) scaleX(1)}}@keyframes drawpulse{to{scale:.985;opacity:.86}}@keyframes spin{to{rotate:360deg}}
@media(max-width:620px){body{padding-left:8px;padding-right:8px}.topbar>div>span{display:none}.intro{padding:1.5rem .4rem 1.2rem}.intro img{width:75px}.intro h1{font-size:2.35rem}.setup-card{border-radius:24px;padding:1rem}.setup-title{display:block}.text-button{padding:.4rem 0;margin-bottom:.6rem}.options,.player-fields{grid-template-columns:1fr}.player-fields fieldset{grid-column:auto}.game-head{align-items:flex-start}.head-actions{flex-direction:column}.head-actions button{padding:.55rem .7rem}.score div{padding:.65rem .55rem}.score small{font-size:.72rem}.score strong{font-size:1.35rem}.board{border-radius:23px}.result-banner{align-items:stretch;flex-direction:column}.result-banner>div:last-child{display:grid;grid-template-columns:1fr 1fr}.dialog-actions{display:grid;grid-template-columns:1fr 1fr}}@media(max-height:620px) and (orientation:landscape){.topbar{padding-bottom:.3rem}.play{display:grid;grid-template-columns:minmax(300px,55vh) 1fr;gap:1rem;align-items:center}.game-head,.score,.result-banner{grid-column:2;margin:0}.game-stage{grid-row:1/4;width:min(55vh,52vw)}.game-head{padding:.2rem 0}.score{width:100%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important}}
