:root{--bg:#10152b;--glass:rgba(255,255,255,.09);--glass-strong:rgba(255,255,255,.15);--line:rgba(255,255,255,.2);--text:#f3f6ff;--muted:#aab3d2;--cyan:#8cf5ee;--violet:#c4a5ff;--win:#baff9a}*{box-sizing:border-box}body{margin:0;min-height:100vh;color:var(--text);font-family:'Space Grotesk',sans-serif;background:#10152b;overflow-x:hidden}body:before,body:after{content:"";position:fixed;width:38vw;height:38vw;border-radius:50%;filter:blur(10px);opacity:.65;z-index:-1}body:before{background:#6047bf;top:-15vw;left:-10vw}body:after{background:#1eaaa9;right:-13vw;bottom:-18vw}.app{max-width:1080px;min-height:100vh;margin:auto;padding:30px 42px 20px}header,footer{display:flex;justify-content:space-between;align-items:center}.logo{color:var(--text);text-decoration:none;font:600 14px 'DM Mono';letter-spacing:.08em;text-shadow:0 0 22px #b5fff955}.logo span:first-child{color:var(--cyan);font-size:21px}.dim{color:var(--muted)}button{font:inherit;cursor:pointer}.ghost{background:var(--glass);border:1px solid var(--line);border-radius:999px;color:var(--muted);font:12px 'DM Mono';padding:10px 16px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:.2s}.ghost:hover{color:var(--text);background:var(--glass-strong);border-color:var(--cyan)}.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:70px;align-items:start;max-width:900px;margin:83px auto 0}.kicker{color:var(--cyan);font:11px 'DM Mono';letter-spacing:.16em;margin:0 0 16px;text-shadow:0 0 16px #8cf5ee88}.intro h1{font-size:clamp(43px,6vw,70px);letter-spacing:-.07em;margin:0;font-weight:500;text-shadow:0 8px 35px #0007}.hint{color:var(--muted);font:14px 'DM Mono';margin:15px 0 0}.mode-toggle{display:flex;margin:48px 0 18px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--glass);width:max-content;backdrop-filter:blur(16px)}.mode{border:0;border-radius:999px;padding:10px 15px;background:transparent;color:var(--muted);font-size:12px;transition:.2s}.mode.active{background:rgba(140,245,238,.9);color:#111a2d;font-weight:600;box-shadow:0 0 24px #8cf5ee55}.player-selectors{display:flex;gap:10px;margin:15px 0 18px;max-width:470px}.player-selectors label{flex:1;color:var(--muted);font:10px 'DM Mono';text-transform:uppercase;letter-spacing:.08em}.player-selectors select{display:block;width:100%;margin-top:7px;padding:11px 12px;background:var(--glass);border:1px solid var(--line);border-radius:12px;color:var(--text);font:12px 'DM Mono';appearance:none;outline:0;background-image:linear-gradient(45deg,transparent 50%,var(--cyan) 50%),linear-gradient(135deg,var(--cyan) 50%,transparent 50%);background-position:calc(100% - 15px) 16px,calc(100% - 10px) 16px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;backdrop-filter:blur(14px)}.player-selectors select:focus{border-color:var(--cyan);box-shadow:0 0 18px #8cf5ee33}.player-selectors option{background:#1c2441;color:var(--text)}.turn{font:12px 'DM Mono';color:var(--muted);display:flex;align-items:center;gap:9px;margin-bottom:14px}.turn i,.online i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}.board{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:8px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.07);max-width:470px;box-shadow:0 25px 70px #0005,inset 0 1px #fff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.cell{aspect-ratio:1;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(255,255,255,.08);color:var(--cyan);font:500 clamp(55px,10vw,90px)/1 'DM Mono';transition:.2s;box-shadow:inset 0 1px #fff1}.cell:hover:not(:disabled){background:rgba(255,255,255,.16);border-color:#8cf5ee99;transform:translateY(-2px);box-shadow:0 8px 25px #0003,inset 0 1px #fff3}.cell.o{color:var(--violet)}.cell:focus-visible{outline:2px solid white;outline-offset:3px}.cell.win{color:#132033;background:rgba(186,255,154,.86);border-color:var(--win);box-shadow:0 0 12px var(--win),0 0 38px #baff9a99}.cell:disabled{cursor:default}.primary{margin-top:18px;padding:13px 20px;background:var(--glass);border:1px solid var(--cyan);border-radius:999px;color:var(--cyan);font-size:12px;backdrop-filter:blur(14px);transition:.2s}.primary:hover{background:var(--cyan);color:#10152b;box-shadow:0 0 25px #8cf5ee66}.primary span{margin-left:12px}.side-panel{background:linear-gradient(140deg,rgba(255,255,255,.16),rgba(255,255,255,.055));border:1px solid var(--line);border-radius:26px;padding:25px 24px;box-shadow:0 25px 70px #0005,inset 0 1px #fff3;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}.panel-heading,.leader-heading{display:flex;justify-content:space-between;align-items:center}.panel-heading .kicker{margin:0}.online{color:var(--muted);font:10px 'DM Mono';display:flex;gap:7px;align-items:center}.online i{width:5px;height:5px}.side-panel label{display:block;color:var(--muted);font:11px 'DM Mono';margin:31px 0 9px}.signup-row{display:flex;border:1px solid var(--line);border-radius:13px;background:rgba(0,0,0,.13);overflow:hidden}.signup-row:focus-within{border-color:var(--cyan);box-shadow:0 0 20px #8cf5ee25}input{flex:1;min-width:0;background:none;border:0;padding:12px;color:var(--text);outline:0;font:12px 'DM Mono'}input::placeholder{color:#8b96b7}.signup-row button{width:43px;border:0;border-left:1px solid var(--line);background:rgba(255,255,255,.07);color:var(--cyan);font-size:24px}.side-panel small{display:block;color:var(--muted);font:10px 'DM Mono';margin-top:9px}.leader-heading{border-bottom:1px solid var(--line);padding:36px 0 11px;color:var(--muted);font:10px 'DM Mono';letter-spacing:.08em}ol{list-style:none;padding:0;margin:0;counter-reset:players}li{counter-increment:players;display:grid;grid-template-columns:28px 1fr auto;align-items:center;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);font:12px 'DM Mono'}li:before{content:'0' counter(players);color:var(--muted);font-size:10px}.player-score{color:var(--cyan);text-shadow:0 0 12px #8cf5ee88}.empty{color:var(--muted);font:11px 'DM Mono';padding:18px 0}.legend{display:flex;gap:20px;color:var(--muted);font:10px 'DM Mono';margin-top:26px}.legend b{font-size:18px;margin-right:5px;vertical-align:-2px}.legend-x{color:var(--cyan)}.legend-o{color:var(--violet)}footer{border-top:1px solid var(--line);margin-top:75px;padding-top:17px;color:#8390ad;font:10px 'DM Mono';letter-spacing:.1em}footer b{color:var(--cyan);font-weight:400}@media(max-width:760px){.app{padding:22px 20px}.layout{grid-template-columns:1fr;gap:45px;margin-top:58px}.game-panel{max-width:470px;width:100%;margin:auto}.board{width:100%}.side-panel{max-width:470px;width:100%;margin:auto}footer{margin-top:45px}}@media(max-width:450px){.player-selectors{gap:7px}.player-selectors select{padding-left:8px}.mode{padding-left:11px;padding-right:11px}}