/* ============ tokens ============ */
:root{
  --bg:#07131b; --bg2:#0b1d29;
  --table1:#1b5566; --table2:#0d2a3a; --rim:#06121b; --inlay:rgba(255,255,255,.09);
  --panel:rgba(255,255,255,.065); --panel2:rgba(255,255,255,.11); --line:rgba(255,255,255,.12);
  --text:#f3f6fb; --muted:#9db0c4; --accent:#ffd23f; --accent-ink:#201800; --ok:#4be3a0; --bad:#ff5d6c;
  --R:#e63946; --Y:#ffc82e; --G:#25a244; --B:#1f6fdc;
  --P:#e83e8c; --T:#0fb5a8; --O:#f77f00; --V:#7c4dd6;
  --w1:var(--R); --w2:var(--B); --w3:var(--G); --w4:var(--Y);
  --display:"Rubik","Trebuchet MS",system-ui,sans-serif;
  --body:"DM Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.85,.25,1);
}
body.dark{
  --bg:#0c0614; --bg2:#150a24;
  --table1:#4b2275; --table2:#1c0c33; --rim:#0a0412; --inlay:rgba(255,160,230,.12);
  --accent:#ff9bd8; --accent-ink:#2a0a1f;
  --w1:var(--P); --w2:var(--T); --w3:var(--O); --w4:var(--V);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{
  background:radial-gradient(120% 80% at 50% -10%,var(--bg2),var(--bg) 60%) fixed;
  color:var(--text);font-family:var(--body);font-size:15px;line-height:1.45;
  -webkit-tap-highlight-color:transparent;transition:background .6s;overflow-x:hidden;
}
.hidden{display:none!important}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
button:disabled{cursor:not-allowed}
svg{display:block}

/* ============ header ============ */
header{
  position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;
  padding:10px max(14px,env(safe-area-inset-left));
  background:linear-gradient(var(--bg),color-mix(in srgb,var(--bg) 70%,transparent));
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.brand{display:flex;flex-direction:column;line-height:1;gap:4px}
.brand b{font:900 24px/1 var(--display);letter-spacing:.04em}
.brand i{display:flex;gap:3px}
.brand i s{width:12px;height:4px;border-radius:2px;background:var(--R)}
.brand i s:nth-child(2){background:var(--Y)}.brand i s:nth-child(3){background:var(--G)}.brand i s:nth-child(4){background:var(--B)}
body.dark .brand i s:nth-child(1){background:var(--P)}body.dark .brand i s:nth-child(2){background:var(--T)}
body.dark .brand i s:nth-child(3){background:var(--O)}body.dark .brand i s:nth-child(4){background:var(--V)}
.roompill{
  display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--panel);
  border:1px solid var(--line);font:700 14px var(--display);letter-spacing:.18em;
}
.roompill span{font:500 11px var(--body);letter-spacing:0;color:var(--muted)}
.grow{flex:1}
.ib{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--panel);
  border:1px solid var(--line);transition:background .15s,transform .15s;
}
.ib:hover{background:var(--panel2)}
.ib:active{transform:scale(.94)}
.ib svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ib.danger:hover{background:color-mix(in srgb,var(--bad) 35%,transparent)}

main{max-width:1240px;margin:0 auto;padding:6px 14px 28px}

/* ============ shared controls ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;
  border-radius:14px;background:var(--panel2);border:1px solid var(--line);font-weight:700;
  transition:transform .12s,background .15s,box-shadow .15s;
}
.btn:hover:not(:disabled){background:rgba(255,255,255,.17)}
.btn:active:not(:disabled){transform:translateY(1px) scale(.985)}
.btn:disabled{opacity:.4}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent;box-shadow:0 6px 0 color-mix(in srgb,var(--accent) 55%,#000),0 10px 24px rgba(0,0,0,.3)}
.btn.primary:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 90%,#fff)}
.btn.primary:active:not(:disabled){transform:translateY(4px);box-shadow:0 2px 0 color-mix(in srgb,var(--accent) 55%,#000)}
.btn.danger{background:var(--bad);color:#fff;border-color:transparent}
.btn.big{min-height:54px;font-size:17px;width:100%}
.muted{color:var(--muted)}
.small{font-size:13px}
.sheetbtns{display:flex;gap:10px;margin-top:18px}
.sheet .sheetbtns{position:sticky;bottom:-22px;margin-bottom:-22px;padding:16px 0 22px;background:linear-gradient(to top,var(--sheetbg) 72%,transparent)}
.sheetbtns .btn{flex:1}
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:16px 0 6px}
input[type=text]{
  width:100%;font:inherit;font-size:17px;padding:13px 14px;border-radius:12px;border:1.5px solid var(--line);
  background:rgba(0,0,0,.28);color:var(--text);
}
input[type=text]::placeholder{color:#6f8296}
input[type=text]:focus{border-color:var(--accent);outline:none}

/* avatars */
.av{
  position:relative;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;
  background:var(--c,#888);color:#10151f;font:800 19px var(--display);border:3px solid rgba(255,255,255,.9);
  box-shadow:0 3px 10px rgba(0,0,0,.4);
}
.av.sm{width:34px;height:34px;font-size:15px;border-width:2px}

/* ============ home ============ */
.home{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;min-height:calc(100vh - 120px);max-width:1000px;margin:0 auto}
.hero{position:relative;height:420px}
.hero .card{position:absolute;left:50%;top:50%;--cw:130px;
  transform:translate(-50%,-50%) translateX(calc(var(--i)*var(--sp,64px))) rotate(calc(var(--i)*13deg)) translateY(calc(var(--i)*var(--i)*5px));
  transform-origin:50% 130%;animation:heroIn .9s var(--ease) backwards;animation-delay:calc((var(--i) + 2)*90ms)}
@keyframes heroIn{from{transform:translate(-50%,-50%) translateY(120px) rotate(0);opacity:0}}
.hero p{position:absolute;left:0;right:0;bottom:0;text-align:center;margin:0;color:var(--muted);font-size:14px}
.formbox{padding:6px}
.formbox h1{font:900 clamp(34px,5vw,50px)/1.02 var(--display);margin:0 0 8px;letter-spacing:-.01em}
.formbox>p{margin:0 0 6px;color:var(--muted);font-size:16px;max-width:36ch}
.modes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mode{
  text-align:left;padding:13px 14px;border-radius:14px;background:var(--panel);border:2px solid var(--line);
  transition:border-color .15s,background .15s,transform .15s;display:flex;flex-direction:column;gap:3px;
}
.mode:hover:not(:disabled){background:var(--panel2)}
.mode.on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.mode:disabled{cursor:default}
.mode b{font:700 16px var(--display)}
.mode span{font-size:12.5px;color:var(--muted);line-height:1.3}
.mode .sw{display:flex;gap:4px;margin-bottom:4px}
.mode .sw s{width:16px;height:16px;border-radius:50%}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;margin:22px 0 2px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.joinrow{display:flex;gap:10px}
.joinrow input{letter-spacing:.35em;text-transform:uppercase;font-family:var(--display);font-weight:700;text-align:center}
.joinrow .btn{flex:none}

/* ============ lobby ============ */
.lobby{max-width:620px;margin:10px auto 0}
.codecard{
  text-align:center;padding:22px 16px 18px;border-radius:22px;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--table1),var(--table2));box-shadow:0 18px 40px rgba(0,0,0,.35);
}
.codecard small{color:#cfe3ee;font-size:13px}
.code{font:900 clamp(44px,13vw,68px)/1.1 var(--display);letter-spacing:.14em;margin:4px 0 12px;padding-left:.14em}
.codecard .btn{min-height:40px;font-size:14px}
.lobby h3{font:700 15px var(--display);margin:24px 0 8px;display:flex;align-items:baseline;justify-content:space-between}
.lobby h3 span{font:500 13px var(--body);color:var(--muted)}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;list-style:none;margin:0;padding:0}
.plist li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:14px;background:var(--panel);border:1px solid var(--line);animation:pop .35s var(--ease) backwards}
.plist .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.plist .nm em{font-style:normal;color:var(--muted);font-weight:400;font-size:12px}
.plist .st{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:none}
.plist .st.off{background:#5d6d7e}
.x{width:26px;height:26px;border-radius:50%;background:rgba(255,93,108,.18);color:var(--bad);font-size:13px;flex:none}
.x:hover{background:var(--bad);color:#fff}
.plist li.empty{border-style:dashed;background:none;color:var(--muted);justify-content:center;font-size:13px;min-height:54px}
.plan{display:flex;gap:10px;margin:16px 0}
.plan div{flex:1;padding:11px 14px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}
.plan b{display:block;font:800 24px var(--display)}
.plan span{font-size:12.5px;color:var(--muted)}
@keyframes pop{from{transform:scale(.85);opacity:0}}

/* ============ game ============ */
.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:18px}
@media(min-width:1040px){.layout{grid-template-columns:minmax(0,1fr) 290px}}
.topline{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:2px 4px 10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:12.5px;font-weight:600}
.chip b{font-family:var(--display)}

.arena{position:relative;background:radial-gradient(ellipse at 50% 42%,var(--table1),var(--table2) 78%);
  box-shadow:inset 0 0 0 10px var(--rim),inset 0 0 0 11px rgba(255,255,255,.08),inset 0 0 80px rgba(0,0,0,.55),0 24px 50px rgba(0,0,0,.4);
  transition:box-shadow .6s}
.arena::before{content:"";position:absolute;inset:24px;border:1.5px dashed var(--inlay);border-radius:inherit;pointer-events:none}
.arena.arc{height:clamp(340px,50vh,450px);border-radius:50%/50%}
.arena.arc::before{border-radius:50%/50%}
.arena.strip{border-radius:30px;padding:22px 10px 22px;display:flex;flex-direction:column;align-items:center;gap:16px}
.arena.strip::before{border-radius:22px;inset:14px}
.arena.flipping{animation:tflip .95s var(--ease)}
@keyframes tflip{0%{transform:perspective(900px) rotateX(0)}45%{transform:perspective(900px) rotateX(86deg) scale(.96)}100%{transform:perspective(900px) rotateX(0)}}

.seats{position:absolute;inset:0}
.strip .seats{position:relative;inset:auto;display:flex;flex-wrap:wrap;justify-content:center;gap:6px 4px;z-index:1;width:100%}
.seat{
  position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;
  gap:3px;width:92px;z-index:1;transition:opacity .3s;
}
.strip .seat{position:relative;left:auto;top:auto;transform:none;width:64px}
.seat .av{transition:box-shadow .25s,transform .25s}
.seat .nm{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.seat .sub{font-size:11px;color:#c3d4e2;display:flex;gap:6px;align-items:center}
.seat .cnt{
  position:absolute;right:-9px;bottom:-5px;min-width:22px;height:22px;padding:0 5px;border-radius:11px;background:#10151f;color:#fff;
  font:800 12px/22px var(--display);text-align:center;border:2px solid rgba(255,255,255,.85)
}
.seat .fan{display:flex;height:22px;margin-top:1px}
.seat .fan .card{--cw:15px;margin-left:-6px;box-shadow:0 1px 3px #0007}
.seat .fan .card:first-child{margin-left:0}
.seat .fan .card.back .face::after{display:none}
.seat .fan .card{padding:1.5px;border-radius:3px;height:22px;width:15px}
.seat .fan .card.back .face{background:var(--R);border-radius:2px}
body.dark .seat .fan .card.back .face{background:var(--V)}
.strip .seat .fan{display:none}
.strip .seat .av{width:38px;height:38px;font-size:16px}
.strip .seat .nm{font-size:11px}
.seat.turn .av{box-shadow:0 0 0 4px var(--accent),0 0 26px 4px color-mix(in srgb,var(--accent) 70%,transparent);transform:scale(1.08)}
.seat.turn .av::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:2px solid var(--accent);animation:ring 1.4s ease-out infinite}
@keyframes ring{from{transform:scale(.85);opacity:.9}to{transform:scale(1.35);opacity:0}}
.seat.off{opacity:.5}
.seat.bump .cnt{animation:bump .5s var(--ease)}
@keyframes bump{40%{transform:scale(1.5)}}
.shout::after{
  content:"UNO!";position:absolute;left:50%;top:-12px;transform:translateX(-50%);background:var(--accent);color:var(--accent-ink);
  font:900 13px var(--display);padding:3px 9px;border-radius:9px;white-space:nowrap;z-index:3;animation:shout 1.8s var(--ease) forwards;box-shadow:0 4px 10px #0006
}
@keyframes shout{0%{transform:translateX(-50%) scale(.3);opacity:0}15%{transform:translateX(-50%) scale(1.25);opacity:1}30%{transform:translateX(-50%) scale(1)}85%{opacity:1}100%{transform:translateX(-50%) translateY(-14px);opacity:0}}
.seat .unotag{font:900 10px var(--display);background:var(--accent);color:var(--accent-ink);padding:1px 6px;border-radius:6px}
/* table centre */
.centre{position:absolute;left:50%;top:60%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;gap:clamp(18px,5vw,48px);z-index:2}
.strip .centre{position:relative;left:auto;top:auto;transform:none;gap:22px}
.dirring{position:absolute;left:50%;top:50%;width:min(340px,74vw);height:min(340px,74vw);margin:0;transform:translate(-50%,-50%);color:rgba(255,255,255,.17);animation:spin 18s linear infinite;pointer-events:none}
.dirring.ccw{animation-direction:reverse}
.dirring svg{width:100%;height:100%}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.pile{position:relative;text-align:center;font-size:12px;color:#c3d4e2;display:flex;flex-direction:column;align-items:center;gap:8px}
.pile>small{font-weight:600}
.drawbtn,.discard{--cw:var(--pcw,100px)}
.drawbtn{position:relative;display:block;border-radius:12px;transition:transform .15s var(--ease)}
.drawbtn:not(:disabled):hover{transform:translateY(-5px) rotate(-1.5deg)}
.drawbtn:not(:disabled){animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{50%{filter:drop-shadow(0 0 12px color-mix(in srgb,var(--accent) 80%,transparent))}}
.drawbtn .stack{position:absolute;inset:0;border-radius:inherit}
.drawbtn .stack.a{transform:translate(3px,3px);background:#fff;box-shadow:0 2px 6px #0006}
.drawbtn .stack.b{transform:translate(6px,6px);background:#e9e9e9;box-shadow:0 2px 6px #0006}
.drawbtn .card{position:relative}
.drawbtn.pulse .card{animation:drawpulse .45s var(--ease)}
@keyframes drawpulse{40%{transform:translateY(8px) scale(.96)}}
.discard{position:relative}
.halo{position:absolute;inset:-46px;border-radius:50%;background:radial-gradient(circle,var(--cur) 0%,transparent 66%);opacity:.6;transition:background .45s;pointer-events:none;filter:blur(6px)}
.discard .ghost{position:absolute;inset:0;border-radius:.7em}
.discard .card{position:relative;transform:rotate(var(--tilt,0deg));box-shadow:0 0 0 .28em var(--cur),0 0 2.2em .3em color-mix(in srgb,var(--cur) 70%,transparent),0 .1em .45em rgba(0,0,0,.45);transition:box-shadow .4s}
.discard .card.land{animation:land .55s var(--ease)}
@keyframes land{from{transform:translate(var(--dx,0),var(--dy,0)) rotate(calc(var(--tilt,0deg) - 50deg)) scale(.7)}}
.colorname{
  position:absolute;left:50%;bottom:-30px;transform:translateX(-50%);white-space:nowrap;padding:3px 10px 3px 8px;border-radius:999px;
  background:rgba(0,0,0,.45);font:700 12px var(--display);display:flex;align-items:center;gap:6px;color:#fff
}
.colorname i{width:11px;height:11px;border-radius:50%;background:var(--cur);border:2px solid #fff}
.pop{
  position:absolute;left:50%;top:-6px;transform:translateX(-50%);z-index:4;pointer-events:none;
  font:900 30px/1 var(--display);color:#fff;text-shadow:0 3px 0 var(--cur),0 0 20px var(--cur),0 4px 14px #0009;white-space:nowrap;animation:popup 1.3s var(--ease) forwards
}
@keyframes popup{0%{transform:translate(-50%,16px) scale(.3);opacity:0}20%{transform:translate(-50%,-24px) scale(1.2);opacity:1}35%{transform:translate(-50%,-30px) scale(1)}80%{opacity:1}100%{transform:translate(-50%,-62px) scale(1);opacity:0}}

/* dock (my area) */
.dock{margin-top:14px}
.statusrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;margin:0 0 4px;min-height:48px}
.mechip{display:flex;align-items:center;gap:9px;padding:4px 14px 4px 5px;border-radius:999px;background:var(--panel);border:1px solid var(--line);position:relative}
.mechip.turn{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 0 20px color-mix(in srgb,var(--accent) 40%,transparent)}
.mechip b{display:block;font-size:13.5px;line-height:1.1}
.mechip span{font-size:11.5px;color:var(--muted)}
.statuspill{
  padding:9px 18px;border-radius:999px;font:700 15px var(--display);background:var(--panel);border:1px solid var(--line);
  text-align:center;max-width:100%
}
.statuspill.mine{background:var(--accent);color:var(--accent-ink);border-color:transparent;animation:mine 1.8s ease-in-out infinite}
@keyframes mine{50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 28%,transparent)}}
.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;min-height:6px;margin:8px 0 0}
.actions .btn{min-height:44px;padding:0 20px}
.unobtn{
  min-width:92px;height:92px;border-radius:50%;background:var(--R);color:#fff;font:900 24px var(--display);letter-spacing:.02em;
  border:5px solid #fff;box-shadow:0 8px 0 #8e1b25,0 14px 28px rgba(0,0,0,.4);transform:rotate(-6deg);transition:transform .1s,box-shadow .1s;
  flex:none
}
body.dark .unobtn{background:var(--V);box-shadow:0 8px 0 #45268a,0 14px 28px rgba(0,0,0,.4)}
.unobtn:active{transform:rotate(-6deg) translateY(6px);box-shadow:0 2px 0 #8e1b25}
.unobtn.hot{animation:hot .9s ease-in-out infinite}
@keyframes hot{50%{transform:rotate(-6deg) scale(1.1)}}
.unobtn.said{background:#2b3a4a;box-shadow:0 8px 0 #1a2430;opacity:.8;animation:none}
.handwrap{position:relative;--hcw:96px}
.hand{display:flex;overflow-x:auto;overflow-y:visible;padding:44px 16px 20px;min-height:calc(var(--hcw,96px)*1.5 + 74px);scrollbar-width:none;-webkit-overflow-scrolling:touch}
.hand::-webkit-scrollbar{display:none}
.hand>:first-child{margin-left:auto}.hand>:last-child{margin-right:auto}
.hc{
  flex:none;border-radius:.7em;--cw:var(--hcw,96px);transform-origin:50% 120%;
  transform:translateY(calc(var(--arc,0px) + var(--lift,0px))) rotate(var(--rot,0deg));transition:transform .18s var(--ease),filter .2s;
  filter:drop-shadow(0 4px 6px rgba(0,0,0,.35))
}
.hc.ok{--lift:-18px}
.hc.ok:hover,.hc.ok:focus-visible{--lift:-32px}
.hc.no{filter:brightness(.62) saturate(.75) drop-shadow(0 3px 5px rgba(0,0,0,.3))}
.hc.ok .card{box-shadow:0 0 0 2px var(--accent),0 0 18px color-mix(in srgb,var(--accent) 55%,transparent)}
.hc.deal{animation:deal .5s var(--ease) backwards;animation-delay:calc(var(--k,0)*65ms)}
@keyframes deal{from{transform:translate(0,-280px) rotate(-25deg) scale(.5);opacity:0}}
.emptyhand{margin:auto;color:var(--muted);padding:40px 0}

aside.side{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:16px;align-self:start;position:sticky;top:70px}
.side h4{margin:0 0 10px;font:700 14px var(--display);display:flex;justify-content:space-between;align-items:baseline}
.side h4 span{font:500 12px var(--body);color:var(--muted)}
.score{display:grid;grid-template-columns:22px 1fr auto;align-items:center;gap:8px;margin-bottom:10px;font-size:13.5px}
.score .rk{font:800 13px var(--display);color:var(--muted);text-align:center}
.score.lead .rk{color:var(--accent)}
.score .bar{grid-column:2/4;height:6px;border-radius:3px;background:rgba(0,0,0,.35);overflow:hidden}
.score .bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#fff));transition:width .6s var(--ease)}
.score .n{display:flex;align-items:center;gap:8px;min-width:0}
.score .x{width:22px;height:22px;font-size:11px;margin-left:auto}
.score .n span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.score b{font:800 14px var(--display)}
.log{list-style:none;margin:0;padding:0;max-height:240px;overflow:auto;font-size:12.5px;color:var(--muted)}
.log li{padding:5px 0;border-top:1px solid var(--line)}
.log li:first-child{color:var(--text);border-top:0}
.divider{height:1px;background:var(--line);margin:14px 0}

/* ============ cards ============ */
.card{
  position:relative;width:var(--cw,96px);height:calc(var(--cw,96px)*1.5);font-size:calc(var(--cw,96px)/5.5);
  border-radius:.7em;background:#fff;padding:.3em;box-shadow:0 .1em .45em rgba(0,0,0,.45);display:block;user-select:none;-webkit-user-select:none;flex:none;
  --n:var(--c)
}
.card .face{position:relative;height:100%;border-radius:.48em;background:var(--c);overflow:hidden;display:block}
.cR{--c:var(--R)}.cY{--c:var(--Y);--n:#cf9500}.cG{--c:var(--G)}.cB{--c:var(--B)}
.cP{--c:var(--P)}.cT{--c:var(--T)}.cO{--c:var(--O)}.cV{--c:var(--V)}
.cX{--c:#15151d}
.card .oval{
  position:absolute;left:50%;top:50%;width:4.1em;height:5.7em;margin:-2.85em 0 0 -2.05em;border-radius:50%;background:#fff;
  transform:rotate(-24deg);display:grid;place-items:center;box-shadow:inset 0 0 0 .08em rgba(0,0,0,.06)
}
.cX .oval{background:conic-gradient(var(--w1) 0 25%,var(--w2) 0 50%,var(--w3) 0 75%,var(--w4) 0);box-shadow:0 0 0 .12em #fff}
.card .oval>*{transform:rotate(24deg);color:var(--n);font:900 3.3em/1 var(--display);text-shadow:.045em .06em 0 rgba(0,0,0,.22);display:grid;place-items:center;text-align:center}
.card .oval>.t2{font-size:2.15em}
.card .oval>.sy svg{width:.78em;height:.78em;fill:none;stroke:currentColor;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(.06em .08em 0 rgba(0,0,0,.2))}
.card .oval>.sy{gap:.05em}.card .oval>.sy small{display:block;font:800 .3em var(--display);margin-top:-.1em;letter-spacing:.04em}
.cX .oval>.ov{color:#fff;font-size:2.1em;text-shadow:0 .05em .1em rgba(0,0,0,.65),0 0 .08em #000,0 0 .08em #000}
.card .ix{position:absolute;font:800 .95em/1 var(--display);color:#fff;display:flex;align-items:center;gap:.1em;text-shadow:0 .05em .1em rgba(0,0,0,.3)}
.card .ix svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round}
.card .ix.tl{left:.4em;top:.35em}
.card .ix.br{right:.4em;bottom:.35em;transform:rotate(180deg)}
.card .wdot{display:block;width:.8em;height:.8em;border-radius:50%;background:conic-gradient(var(--w1) 0 25%,var(--w2) 0 50%,var(--w3) 0 75%,var(--w4) 0)}
.card.mini{--cw:32px;border-radius:.6em}
.card.mini .oval>*{font-size:3em}.card.mini .ix{display:none}
.card.back .face{background:#12121a;display:grid;place-items:center}
.card.back .face::after{content:"UNO";position:absolute;left:50%;top:50%;width:4.4em;height:2.6em;margin:-1.3em 0 0 -2.2em;border-radius:50%;
  background:var(--R);color:var(--Y);font:900 1.45em/2.6em var(--display);text-align:center;transform:rotate(-24deg);letter-spacing:.02em;text-shadow:.06em .07em 0 #000}
body.dark .card.back .face::after{background:var(--V);color:#ffd6f1}
.card.back.mini .face::after{content:"";}

/* ============ modal ============ */
.modal{position:fixed;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;padding:14px;background:rgba(3,8,14,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fade .2s}
@keyframes fade{from{opacity:0}}
.sheet{
  --sheetbg:color-mix(in srgb,var(--table2) 85%,#05090e);
  position:relative;width:100%;max-width:520px;max-height:92vh;overflow:auto;border-radius:24px;padding:24px 22px 22px;
  background:linear-gradient(170deg,color-mix(in srgb,var(--table1) 55%,#0b141d),color-mix(in srgb,var(--table2) 85%,#05090e));
  border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.6);animation:sheetin .35s var(--ease)
}
@keyframes sheetin{from{transform:translateY(30px) scale(.96);opacity:0}}
.sheet h2{font:800 24px/1.15 var(--display);margin:0 0 8px}
.sheet p{margin:0 0 8px}
.colorgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.colorgrid button{height:76px;border-radius:18px;font:800 17px var(--display);color:#fff;border:4px solid #fff;box-shadow:0 6px 0 rgba(0,0,0,.35);transition:transform .1s}
.colorgrid button:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.35)}
.colorgrid .bR{background:var(--R)}.colorgrid .bY{background:var(--Y);color:#2a2000}.colorgrid .bG{background:var(--G)}.colorgrid .bB{background:var(--B)}
.colorgrid .bP{background:var(--P)}.colorgrid .bT{background:var(--T)}.colorgrid .bO{background:var(--O)}.colorgrid .bV{background:var(--V)}
.respond{display:grid;gap:10px;margin:14px 0 4px}
.respond .opt{text-align:left;padding:14px 16px;border-radius:16px;background:var(--panel);border:2px solid var(--line);transition:border-color .15s,background .15s}
.respond .opt:hover{background:var(--panel2)}
.respond .opt b{display:block;font:700 16px var(--display);margin-bottom:2px}
.respond .opt span{font-size:13px;color:var(--muted)}
.respond .opt.hit{border-color:var(--bad)}
.rules h3{font:700 14px var(--display);color:var(--accent);margin:16px 0 4px}
.rules p{font-size:14px;line-height:1.55;color:#d6e2ee}
.winner{text-align:center;padding:6px 0 4px}
.winner .crown{width:54px;height:54px;margin:0 auto 6px;color:var(--accent)}
.winner .crown svg{width:100%;height:100%;fill:currentColor}
.winner h2{font-size:28px}
.winner .pts{display:inline-block;margin-top:2px;padding:4px 14px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font:800 15px var(--display)}
.res{margin:16px 0 4px;display:grid;gap:6px}
.res .r{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:7px 10px;border-radius:12px;background:var(--panel)}
.res .r.w{background:color-mix(in srgb,var(--accent) 18%,transparent);box-shadow:inset 0 0 0 1.5px var(--accent)}
.res .nm{font-weight:700;font-size:13.5px;min-width:0}
.res .mc{display:flex;flex-wrap:wrap;gap:3px;margin-top:3px}
.res .v{font:800 15px var(--display)}
.confetti{position:fixed;inset:0;pointer-events:none;overflow:hidden;z-index:31}
.confetti i{position:absolute;top:-20px;width:9px;height:14px;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg)}}

/* flip / event burst */
#burst{position:fixed;inset:0;z-index:25;pointer-events:none;display:grid;place-items:center;opacity:0}
#burst.go{animation:burst 1.1s var(--ease)}
#burst div{font:900 clamp(56px,16vw,150px)/1 var(--display);color:#fff;text-shadow:0 6px 0 rgba(0,0,0,.35),0 0 60px var(--accent);letter-spacing:.02em}
@keyframes burst{0%{opacity:0;background:radial-gradient(circle,var(--accent),transparent 0)}15%{opacity:1;background:radial-gradient(circle,color-mix(in srgb,var(--accent) 80%,transparent),transparent 70%)}100%{opacity:0;background:radial-gradient(circle,transparent,transparent 70%)}}
#burst.go div{animation:burstText 1.1s var(--ease)}
@keyframes burstText{0%{transform:scale(.3) rotate(-12deg)}30%{transform:scale(1.1) rotate(2deg)}100%{transform:scale(1.35)}}

#toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,20px);background:#10151f;color:#fff;border:1px solid var(--line);padding:11px 18px;border-radius:14px;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:40;max-width:90vw;text-align:center;box-shadow:0 10px 30px #0008;font-weight:600;font-size:14px}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.err{border-color:var(--bad)}

/* ============ small screens ============ */
@media(max-width:860px){
  .home{grid-template-columns:1fr;gap:6px;min-height:0}
  .hero{height:190px;order:-1}
  .hero .card{--cw:78px;--sp:44px}
  .hero p{display:none}
  .formbox h1{font-size:32px}
}
@media(max-width:1039px){aside.side{display:none}}
@media(min-width:1040px){#scoresBtn{display:none!important}}
@media(max-width:560px){
  main{padding:4px 10px 22px}
  .roompill span{display:none}
  .arena{--pcw:80px}
  .handwrap{--hcw:76px}
  .modes{grid-template-columns:1fr}
  .unobtn{min-width:76px;height:76px;font-size:20px}
  .arena.strip{padding:18px 6px 20px}
  .sheet{padding:20px 16px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .dirring{animation:none!important}
}