:root{--bg:#f4efff;--ink:#2a1f4d;--line:#d8ccf5;--ok:#22c3a0;--okd:#139779;--mid:#ffc431;--midd:#d59a00;--no:#b3acd1;--nod:#8e86b4;--hot:#ff5c8a;--hotd:#d93a69;--vio:#7a5cf0}
:root{--bg:#f4efff;--ink:#392d62;--hot:#ff6584;--hotd:#d74767;--vio:#765be8;--ok:#47b982;--okd:#29865b;--mid:#f5c84c;--midd:#d2a52e;--no:#aaa4b7;--nod:#81798f;--line:#ded5f2}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{font:600 16px/1.2 Fredoka,ui-rounded,system-ui,sans-serif;color:var(--ink);touch-action:manipulation;
  background:radial-gradient(circle at 1px 1px,#e3d9fb 1.5px,transparent 0) 0 0/22px 22px,var(--bg);display:flex;justify-content:center}
button{font:inherit;color:inherit;cursor:pointer}
#app{width:100%;max-width:520px;height:100vh;height:100dvh;display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:max(10px,env(safe-area-inset-top)) 10px max(10px,env(safe-area-inset-bottom))}
#app[hidden],[hidden]{display:none!important}

h1{display:flex;gap:5px;margin:4px 0 0}
h1 span{width:36px;height:40px;display:grid;place-items:center;border-radius:11px;color:#fff;font-size:23px;font-weight:700;box-shadow:0 4px 0 rgba(42,31,77,.22)}
h1 span:nth-child(1){background:var(--hot);transform:rotate(-5deg)}
h1 span:nth-child(2){background:var(--vio);transform:rotate(3deg)}
h1 span:nth-child(3){background:var(--ok);transform:rotate(-2deg)}
h1 span:nth-child(4){background:var(--mid);color:var(--ink);transform:rotate(4deg)}
h1 span:nth-child(5){background:var(--hot);transform:rotate(-3deg)}
h1 span:nth-child(6){background:var(--vio);transform:rotate(5deg)}

#ctl{display:flex;gap:8px;align-items:center}
.seg{display:flex;background:#fff;border-radius:15px;padding:3px;box-shadow:inset 0 0 0 2px var(--line)}
.seg button{border:0;background:none;padding:6px 12px;border-radius:12px;transition:background .15s,color .15s}
.seg button[aria-pressed=true]{background:var(--ink);color:#fff}
.round{width:40px;height:40px;border:0;border-radius:50%;background:var(--hot);color:#fff;font-size:21px;box-shadow:0 3px 0 var(--hotd)}
.round:active,.btn:active,#kb button:active{transform:translateY(3px);box-shadow:none}

main{flex:1;display:flex;align-items:center;min-height:0}
#board{--t:min(62px,calc((100vw - 56px)/var(--len,5)),calc((100dvh - 372px)/6));display:grid;gap:6px}
.row{display:flex;gap:6px;justify-content:center}
.row i{width:var(--t);height:var(--t);display:grid;place-items:center;border-radius:15px;background:#fff;border:2px solid var(--line);
  box-shadow:0 4px 0 var(--line);font-style:normal;font-weight:700;font-size:calc(var(--t)*.55)}
.row i.on{border-color:var(--ink);box-shadow:0 4px 0 var(--ink)}
.row i[data-s="0"]{background:var(--no);border-color:var(--no);box-shadow:0 4px 0 var(--nod);color:#fff}
.row i[data-s="1"]{background:var(--mid);border-color:var(--mid);box-shadow:0 4px 0 var(--midd)}
.row i[data-s="2"]{background:var(--ok);border-color:var(--ok);box-shadow:0 4px 0 var(--okd);color:#fff}
.pop{animation:pop .14s}
.flip{animation:flip .56s both}
.hop{animation:hop .5s}
.shake{animation:shake .4s}
@keyframes pop{50%{transform:scale(1.14)}}
@keyframes flip{50%{transform:rotateX(90deg)}}
@keyframes hop{30%{transform:translateY(-14px)}60%{transform:translateY(2px)}}
@keyframes shake{20%,60%{transform:translateX(-7px)}40%,80%{transform:translateX(7px)}}

#kb{width:100%;display:grid;gap:6px}
.kr{display:flex;gap:4px;justify-content:center}
.kr:nth-child(2){padding:0 4%}
#kb button{flex:1;max-width:46px;height:52px;padding:0;border:0;border-radius:11px;background:#fff;font-weight:700;font-size:17px;box-shadow:0 3px 0 var(--line)}
#kb button[data-k=Enter],#kb button[data-k=Backspace]{flex:1.6;max-width:70px;font-size:14px}
#kb button[data-k=Enter]{background:var(--hot);color:#fff;box-shadow:0 3px 0 var(--hotd)}
#kb button[data-s="0"]{background:var(--no);color:#fff;box-shadow:0 3px 0 var(--nod)}
#kb button[data-s="1"]{background:var(--mid);box-shadow:0 3px 0 var(--midd)}
#kb button[data-s="2"]{background:var(--ok);color:#fff;box-shadow:0 3px 0 var(--okd)}

#toast{position:fixed;top:calc(70px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:9px 18px;border-radius:99px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:9}
#toast.show{opacity:1}

dialog{border:0;border-radius:26px;padding:24px;width:calc(100% - 40px);max-width:340px;background:#fff;color:var(--ink);text-align:center;box-shadow:0 8px 0 var(--line)}
dialog::backdrop{background:rgba(42,31,77,.5)}
dialog h2{margin:0;font-size:28px}
dialog p{margin:6px 0 4px;color:var(--nod)}
#dw{font-size:34px;font-weight:700;letter-spacing:.06em;background:var(--ok);color:#fff;border-radius:16px;padding:10px;box-shadow:0 4px 0 var(--okd);overflow-wrap:anywhere}
#ds{display:flex;gap:8px;margin:16px 0}
#ds div{flex:1;background:var(--bg);border-radius:14px;padding:8px 4px;font-size:13px}
#ds b{display:block;font-size:24px}
.acts{display:flex;gap:10px}
.btn{flex:1;border:0;border-radius:14px;padding:13px;background:var(--hot);color:#fff;font-weight:700;box-shadow:0 4px 0 var(--hotd)}
.btn.alt{background:var(--vio);box-shadow:0 4px 0 #5a40c8}

:focus-visible{outline:3px solid var(--vio);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-delay:0s!important;transition:none!important}}

.user-bar{width:100%;display:flex;justify-content:center;align-items:center;gap:10px;color:var(--nod);font-size:14px}
.profile-button{border:0;border-radius:99px;padding:7px 15px;background:#fff;color:var(--ink);box-shadow:0 2px 0 var(--line)}
.auth-page{min-height:100vh;width:100%;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 1px 1px,#e3d9fb 1.5px,transparent 0) 0 0/22px 22px,var(--bg)}
.auth-card{width:min(100%,390px);display:grid;gap:14px;padding:26px;border-radius:24px;background:#fff;box-shadow:0 8px 0 var(--line);color:var(--ink)}
.auth-card h1{justify-content:center;margin:0 0 4px}
.auth-card p{margin:0;text-align:center;color:var(--nod)}
.auth-card label{display:grid;gap:6px;font-size:14px}
.auth-card input,.upload-label{width:100%;padding:11px;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit}
.auth-card a{color:var(--vio);text-align:center}
.profile-head{display:flex;align-items:center;gap:14px;text-align:left}
.profile-head h2{margin:0 0 8px}
#avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--bg)}
.upload-label{display:inline-block;width:auto;padding:7px 10px;cursor:pointer;font-size:13px}
.upload-label input{position:absolute;width:1px;height:1px;opacity:0}
#profile-message{min-height:20px;color:var(--nod)}
.stats-wrap{overflow-x:auto;margin:12px -8px}
#profile-stats{width:100%;border-collapse:collapse;font-size:12px;white-space:nowrap}
#profile-stats th,#profile-stats td{padding:8px 6px;border-bottom:1px solid var(--line)}
#profile-stats th{color:var(--nod)}
#profile-dialog .btn{width:100%}
.auth-page code{overflow-wrap:anywhere}
.auth-page[hidden]{display:none!important}
.leader-player{display:flex;align-items:center;gap:7px;text-align:left}
.leader-player img{width:26px;height:26px;border-radius:50%;object-fit:cover}
#leaderboard-dialog .btn{width:100%}