*{box-sizing:border-box} :root{--ink:#17233e;--purple:#7056e8;--pink:#f05ca9;--cream:#fff9ec;--green:#39b984} body{margin:0;min-height:100vh;color:var(--ink);font-family:Inter,ui-rounded,"Arial Rounded MT Bold",system-ui,sans-serif;background:radial-gradient(circle at 15% 20%,#fff3b9 0 8%,transparent 22%),radial-gradient(circle at 88% 22%,#e0d4ff 0 9%,transparent 24%),linear-gradient(145deg,#fffdf7,#f7f1ff 55%,#eaf8ff);overflow-x:hidden}.topbar{height:72px;padding:0 clamp(16px,4vw,56px);display:flex;align-items:center;justify-content:space-between;background:#fff9;border-bottom:1px solid #dad3ef;backdrop-filter:blur(12px);position:relative;z-index:4}.brand{font-weight:950;font-size:23px;letter-spacing:-1.5px;text-decoration:none;color:#21284a}.brand span{color:var(--purple)}.title{display:flex;gap:7px;align-items:center}.title i{font-style:normal;font-size:24px}.title b{font-size:15px;letter-spacing:.8px}.title small{padding:4px 7px;border-radius:8px;background:#e8e2ff;color:#5941c0;font-weight:900;font-size:9px}.home{text-decoration:none;color:#6e6686;font-weight:800;font-size:13px}main{min-height:calc(100vh - 72px)}.hidden{display:none!important}.lobby{max-width:820px;margin:auto;padding:55px 24px 45px;text-align:center}.lobby>small,.waiting>small,.modal small{font-weight:950;letter-spacing:2px;color:var(--pink)}h1{font-size:clamp(38px,7vw,66px);line-height:.99;letter-spacing:-3px;margin:14px 0 20px}h1 span{color:var(--purple)}.lobby>p{max-width:680px;margin:0 auto 28px;font-weight:650;color:#625c76;line-height:1.65}.heroCards{height:115px;display:flex;justify-content:center;align-items:center;margin-bottom:16px}.heroCards i{width:72px;height:94px;display:grid;place-items:center;background:#fff;border:4px solid #fff;border-radius:14px;box-shadow:0 12px 25px #5d46832c;font-style:normal;font-size:38px;margin:0 -4px;transform:rotate(-12deg)}.heroCards i:nth-child(2){background:linear-gradient(135deg,#7659e9,#ef60ae);color:white;transform:translateY(-13px) rotate(-5deg)}.heroCards i:nth-child(3){transform:translateY(-22px);z-index:2}.heroCards i:nth-child(4){background:linear-gradient(135deg,#ffb749,#f56484);color:white;transform:translateY(-13px) rotate(5deg)}.heroCards i:nth-child(5){transform:rotate(12deg)}button,.button{font:inherit}.primary{border:0;background:linear-gradient(135deg,var(--purple),#9271f4);color:#fff;border-radius:14px;padding:16px 23px;font-weight:950;letter-spacing:.4px;box-shadow:0 9px 20px #6f55e543;cursor:pointer}.primary:disabled{filter:grayscale(.6);opacity:.55;cursor:not-allowed}.lobbyActions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.joinBox{display:flex;background:white;border:2px solid #dcd6ec;border-radius:14px;overflow:hidden}.joinBox input{width:145px;border:0;outline:0;padding:0 15px;text-transform:uppercase;font-weight:950;letter-spacing:2px;color:var(--ink)}.joinBox button{border:0;background:#242d51;color:#fff;padding:0 18px;font-weight:900;cursor:pointer}.lobby ul{list-style:none;padding:0;margin:32px 0 0;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.lobby li{background:#fff;border:1px solid #e4deef;padding:10px 14px;border-radius:30px;font-size:13px;font-weight:850}.error{color:#c43c5a!important;margin-top:15px!important}.waiting{max-width:650px;margin:auto;padding:70px 24px;text-align:center}.waiting h2{font-size:38px;margin:10px}.roomCode{border:3px dashed #9885e7;border-radius:18px;background:#fff;padding:15px 25px;font-size:40px;font-weight:950;letter-spacing:9px;color:var(--purple);cursor:pointer;box-shadow:0 8px 25px #5b4a9421}.waiting>p{color:#696179;font-weight:650;line-height:1.5}.waitingPlayers{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:25px 0}.playerWaiting{display:flex;align-items:center;gap:10px;padding:13px;text-align:left;border-radius:14px;background:#fff;border:2px solid #e4dff0;font-weight:850}.playerWaiting i{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#eee9ff;font-style:normal}.playerWaiting.empty{opacity:.45}.waiting .primary{min-width:260px}.hint{font-size:13px}.arena{max-width:1180px;margin:auto;padding:22px 18px 35px}.arenaHead{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:16px}.arenaHead small{color:#777087;font-weight:800}.arenaHead h2{font-size:clamp(21px,3vw,34px);margin:5px 0}.scoreboard{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.score{background:white;border:2px solid #ddd7e9;border-radius:13px;padding:9px 13px;min-width:105px}.score.turn{border-color:#816be8;box-shadow:0 0 0 3px #816be821}.score.me{background:#f4f0ff}.score small{display:block;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:105px}.score b{font-size:22px;color:var(--purple)}.board{display:grid;grid-template-columns:repeat(8,minmax(50px,1fr));gap:9px;perspective:1000px}.card{aspect-ratio:3/4;border:0;background:transparent;padding:0;cursor:pointer;position:relative;transform-style:preserve-3d;transition:transform .38s}.card.flipped,.card.matched{transform:rotateY(180deg)}.card:disabled{cursor:default}.face{position:absolute;inset:0;border-radius:13px;display:grid;place-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden}.back{background:linear-gradient(145deg,#8067ed,#5e45ce);border:3px solid #fff;box-shadow:0 5px 12px #392b7c35}.back:before{content:"✦";font-size:clamp(20px,3vw,34px);color:#ffffffd6}.back:after{content:"";position:absolute;inset:7px;border:1px solid #ffffff69;border-radius:8px}.front{transform:rotateY(180deg);background:#fff;border:3px solid #fff;box-shadow:0 5px 12px #392b7c28;font-size:clamp(25px,4vw,42px)}.matched .front{background:#eafff5;border-color:#57d6a0;animation:pop .35s}.matched.mine .front{background:#f2edff;border-color:#8a72ed}.gameHint{text-align:center;font-weight:850;color:#6c6680;margin:15px}.modal{position:fixed;inset:0;z-index:20;background:#282345a8;display:grid;place-items:center;padding:20px;backdrop-filter:blur(8px)}.modal>div{background:var(--cream);border-radius:25px;max-width:480px;width:100%;text-align:center;padding:30px;box-shadow:0 25px 70px #16102e80}.modal>div>span{font-size:65px;display:block}.modal h2{font-size:40px;margin:8px}.finalScores{margin:20px 0}.finalScores p{display:flex;justify-content:space-between;background:#fff;padding:11px 14px;margin:6px;border-radius:10px;font-weight:850}.button{display:block;text-decoration:none;margin:9px}.secondary{color:#5e5672;font-weight:850;padding:10px}#toast{position:fixed;left:50%;bottom:22px;z-index:30;transform:translate(-50%,80px);opacity:0;background:#202947;color:#fff;padding:12px 20px;border-radius:30px;font-weight:850;transition:.25s;pointer-events:none}#toast.show{transform:translate(-50%,0);opacity:1}@keyframes pop{50%{transform:rotateY(180deg) scale(1.09)}}
@media(max-width:720px){.topbar{height:58px}.title b{display:none}.home{font-size:0}.home:after{content:"←";font-size:20px}main{min-height:calc(100vh - 58px)}.lobby{padding-top:35px}.heroCards{transform:scale(.8);margin:-8px 0}.joinBox{height:52px}.waiting{padding-top:38px}.arena{padding:13px 8px}.arenaHead{display:block}.scoreboard{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}.score{min-width:92px}.board{grid-template-columns:repeat(5,1fr);gap:5px}.face{border-radius:9px}.back{border-width:2px}.front{font-size:28px}.arenaHead h2{margin:3px 0 9px}.gameHint{font-size:13px;margin:10px}.lobbyActions{display:grid}.joinBox input{flex:1;width:auto}.waitingPlayers{grid-template-columns:1fr 1fr}}
@media(max-width:390px){.board{gap:3px}.arena{padding-left:5px;padding-right:5px}.face{border-radius:7px}.front{font-size:24px}.waitingPlayers{grid-template-columns:1fr}}

/* Arena selalu pas dalam satu viewport. */
body.game-mode{height:100dvh;overflow:hidden}
body.game-mode main{height:calc(100dvh - 72px);min-height:0;overflow:hidden}
.game-mode .arena{height:100%;max-width:1100px;padding:12px 14px 8px;display:flex;flex-direction:column}
.game-mode .arenaHead{flex:0 0 auto;margin-bottom:8px}
.game-mode .arenaHead h2{font-size:clamp(18px,2.3vw,28px);margin:2px 0}
.game-mode .score{padding:5px 10px;min-width:92px}
.game-mode .score b{font-size:18px}
.game-mode .board{flex:1;min-height:0;grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:repeat(5,minmax(0,1fr));gap:6px}
.game-mode .card{aspect-ratio:auto;min-width:0;min-height:0}
.game-mode .front{font-size:clamp(24px,4.2vh,39px)}
.game-mode .gameHint{flex:0 0 auto;margin:6px 0 0;font-size:12px}
@media(max-width:720px){body.game-mode main{height:calc(100dvh - 58px)}.game-mode .arena{padding:7px 6px 5px}.game-mode .arenaHead{margin-bottom:5px}.game-mode .arenaHead h2{font-size:18px}.game-mode .scoreboard{padding-bottom:2px}.game-mode .score{padding:3px 7px;min-width:82px}.game-mode .score small{font-size:10px}.game-mode .score b{font-size:15px}.game-mode .board{grid-template-columns:repeat(5,minmax(0,1fr));grid-template-rows:repeat(6,minmax(0,1fr));gap:4px}.game-mode .front{font-size:clamp(20px,4vh,30px)}.game-mode .gameHint{margin-top:4px;font-size:11px}}
@media(max-height:520px) and (orientation:landscape){.topbar{height:46px}.topbar .title small{display:none}body.game-mode main{height:calc(100dvh - 46px)}.game-mode .arena{padding:4px 8px}.game-mode .arenaHead{display:flex;margin-bottom:3px}.game-mode .arenaHead h2{font-size:15px}.game-mode .score{padding:2px 6px}.game-mode .board{grid-template-columns:repeat(10,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));gap:3px}.game-mode .gameHint{display:none}.game-mode .front{font-size:clamp(18px,6vh,29px)}}
.presence{display:inline-block;width:8px;height:8px;border-radius:50%;background:#39b984;margin-right:5px;box-shadow:0 0 0 2px #39b98422}.offline{opacity:.52}.offline .presence{background:#aaa;box-shadow:none}.playerWaiting span small{display:block;margin-top:3px;font-size:10px;color:#39a875}.playerWaiting.offline span small{color:#888}.score small i{vertical-align:1px}