/* Dammen — Tafelronde. Dark, clean, responsive. One stylesheet. */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}
h1,h2,h3,p{margin:0}
ul{margin:0;padding:0;list-style:none}

:root{
  --bg:#0a0c11;--bg-2:#0e1118;--surface:#131722;--surface-2:#1a1f2c;
  --line:rgba(255,255,255,.09);--line-2:rgba(255,255,255,.16);
  --tx:#e9edf5;--tx-2:#98a2b6;--tx-3:#626c80;
  --gold:#f2b840;--gold-2:#d0951d;--gold-dim:rgba(242,184,64,.14);
  --green:#3ddc97;--green-2:#28b479;
  --sq-light:#2a3142;--sq-dark:#12161f;
  --f-ui:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --f-display:"Fraunces",Georgia,serif;
  --r:14px;--r-lg:20px;
  color-scheme:dark;
}
body{
  font-family:var(--f-ui);color:var(--tx);
  background:
    radial-gradient(1100px 620px at 50% -12%, rgba(242,184,64,.12), transparent 60%),
    radial-gradient(820px 560px at 92% 118%, rgba(61,220,151,.08), transparent 60%),
    var(--bg);
  min-height:100vh;min-height:100dvh;-webkit-font-smoothing:antialiased;
}
.game-body{overflow:hidden}

.panel{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:0 20px 50px -24px rgba(0,0,0,.8), inset 0 1px 0 rgba(255,255,255,.04)}
.muted{color:var(--tx-2)}
.center{text-align:center}
.brand-mini{font-weight:800;letter-spacing:.14em;font-size:12px;color:var(--tx-3);transition:color .15s}
.brand-mini:hover{color:var(--gold)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;font-weight:700;font-size:14px;border:1px solid transparent;transition:transform .12s,filter .15s,background .15s,border-color .15s;width:100%}
.btn:active{transform:translateY(1px) scale(.99)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#241a04;box-shadow:0 12px 26px -12px rgba(242,184,64,.7)}
.btn-primary:hover:not([disabled]){filter:brightness(1.07)}
.btn-ghost{background:var(--surface-2);color:var(--tx);border-color:var(--line-2)}
.btn-ghost:hover:not([disabled]){background:#232a3a}
.btn.is-busy{position:relative;color:transparent}
.btn.is-busy::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(0,0,0,.3);border-top-color:#241a04;border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.btn-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;border:1px solid var(--line-2);background:var(--surface);color:var(--tx-2);font-size:15px;transition:background .15s,color .15s}
.btn-icon:hover{background:var(--surface-2);color:var(--tx)}
.linkbtn{color:var(--tx-3);font-size:12.5px;margin-top:4px;width:100%;text-align:center}
.linkbtn:hover{color:#fb7185}
.field{width:100%;padding:11px 13px;background:var(--bg-2);color:var(--tx);border:1px solid var(--line-2);border-radius:11px;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}
.field:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(242,184,64,.18)}
.field-code{text-transform:uppercase;letter-spacing:.4em;text-align:center;font-weight:800;font-size:20px}
.field-label{display:block;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--tx-3);margin:12px 0 5px}

/* lobby page */
.lobby-page{max-width:940px;margin:0 auto;padding:min(9vh,64px) 18px 60px}
.lp-head{text-align:center;margin-bottom:30px}
.lp-title{font-family:var(--f-display);font-weight:700;font-size:clamp(38px,8vw,60px);line-height:1;margin:14px 0 0;background:linear-gradient(175deg,#fff 8%,#ffe2a5 46%,var(--gold-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-sub{color:var(--tx-2);margin-top:12px}
.lp-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.lp-cards h2{font-family:var(--f-display);font-weight:600;font-size:20px;margin-bottom:4px}
.lp-cards .muted{font-size:13.5px;margin-bottom:6px}
.lp-cards form{display:flex;flex-direction:column}
.lp-cards .btn{margin-top:16px}
.lp-error{color:#fb7185;font-size:13.5px;min-height:1.2em;text-align:center;margin-top:14px}
.rules{margin-top:26px;padding:0;overflow:hidden}
.rules-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;padding:20px 22px}
.rules-toggle h2{font-family:var(--f-display);font-weight:600;font-size:18px}
.rules-toggle .chev{color:var(--tx-3);transition:transform .2s}
.rules-toggle[aria-expanded="true"] .chev{transform:rotate(180deg)}
.rules-body{padding:0 22px 22px;display:flex;flex-direction:column;gap:10px;color:var(--tx-2);font-size:13.5px;line-height:1.6}
.rules-body b{color:var(--tx)}
.lp-foot{text-align:center;color:var(--tx-3);font-size:12px;margin-top:30px}
@media (max-width:720px){.lp-cards{grid-template-columns:1fr}}

/* game */
#app{height:100dvh;display:flex;flex-direction:column}
.topbar{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);background:rgba(10,12,17,.9)}
.tb-left,.tb-right{display:flex;align-items:center;gap:8px}
.code-chip{font-family:ui-monospace,Menlo,monospace;font-size:12px;font-weight:800;letter-spacing:.14em;padding:6px 10px;border-radius:9px;border:1px solid var(--line-2);background:var(--surface);color:var(--tx)}
.code-chip .cc-label{color:var(--tx-3);font-weight:600;letter-spacing:.05em;margin-right:3px}
.code-chip:hover{background:var(--surface-2)}
.turn-banner{flex:1 1 auto;text-align:center;min-width:0;font-size:13px;font-weight:700;color:var(--tx-2);padding:6px 10px;border-radius:999px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .25s,color .25s,box-shadow .25s}
.turn-banner.is-you{color:#052e16;background:linear-gradient(135deg,var(--green),var(--green-2));box-shadow:0 0 22px -4px rgba(61,220,151,.6)}

.board-main{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px;min-height:0;overflow:auto}

.players-bar{display:flex;gap:10px;width:100%;max-width:560px;justify-content:space-between}
.pchip{
  flex:1;display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);transition:border-color .2s,box-shadow .2s;
}
.pchip.turn{border-color:var(--green);box-shadow:0 0 0 1px rgba(61,220,151,.35),0 0 18px -6px rgba(61,220,151,.5)}
.pchip .disc{width:22px;height:22px;border-radius:50%;flex:0 0 auto;box-shadow:inset 0 2px 4px rgba(0,0,0,.4),0 1px 2px rgba(0,0,0,.5)}
.pchip .disc.w{background:radial-gradient(circle at 35% 30%,#fff,#c8ccd6)}
.pchip .disc.b{background:radial-gradient(circle at 35% 30%,#4a5163,#191d27)}
.pchip .pmeta{min-width:0;line-height:1.15}
.pchip .pname{font-weight:700;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pchip .pcount{font-size:11px;color:var(--tx-3)}
.pchip .pdot{width:6px;height:6px;border-radius:50%;background:var(--tx-3);margin-left:auto;flex:0 0 auto}
.pchip .pdot.on{background:var(--green);box-shadow:0 0 7px var(--green)}

.board-frame{
  position:relative;width:min(92vw,560px,66vh);aspect-ratio:1;
  border-radius:16px;padding:10px;
  background:linear-gradient(160deg,#20160a,#160f07);
  border:1px solid rgba(242,184,64,.25);
  box-shadow:0 30px 60px -30px #000, inset 0 1px 0 rgba(255,255,255,.05);
}
.board-grid{
  position:absolute;inset:10px;border-radius:8px;overflow:hidden;
  display:grid;grid-template-columns:repeat(10,1fr);grid-template-rows:repeat(10,1fr);
}
.cell{position:relative}
.cell.light{background:var(--sq-light)}
.cell.dark{background:var(--sq-dark)}
.cell.play{cursor:default}
.cell.legal-from{cursor:pointer}
.cell.legal-from::after{content:"";position:absolute;inset:14%;border-radius:50%;box-shadow:inset 0 0 0 2px var(--green);opacity:.55}
.cell.legal-to{cursor:pointer}
.cell.legal-to::before{content:"";position:absolute;left:50%;top:50%;width:30%;height:30%;transform:translate(-50%,-50%);border-radius:50%;background:var(--green);opacity:.75;animation:dotIn .18s ease}
.cell.legal-to.capture::before{background:#fb7185;width:38%;height:38%}
@keyframes dotIn{from{transform:translate(-50%,-50%) scale(.4);opacity:0}}
.cell.sel{background:rgba(61,220,151,.16)}
.cell.last{box-shadow:inset 0 0 0 3px rgba(242,184,64,.4)}

.piece-layer{position:absolute;inset:10px;pointer-events:none}
.piece{
  position:absolute;width:10%;height:10%;
  transition:left .28s cubic-bezier(.3,.8,.35,1),top .28s cubic-bezier(.3,.8,.35,1),opacity .2s,transform .2s;
  display:grid;place-items:center;
}
.piece .disc{
  width:78%;height:78%;border-radius:50%;
  box-shadow:0 3px 6px -2px rgba(0,0,0,.7), inset 0 3px 6px rgba(255,255,255,.25), inset 0 -4px 8px rgba(0,0,0,.45);
}
.piece.w .disc{background:radial-gradient(circle at 34% 28%,#ffffff,#d3d7df 60%,#a9adb8)}
.piece.b .disc{background:radial-gradient(circle at 34% 28%,#5b6274,#232833 55%,#12151d)}
.piece.king .disc::after{
  content:"";position:absolute;left:50%;top:50%;width:42%;height:42%;transform:translate(-50%,-50%);
  border-radius:50%;border:2px solid rgba(242,184,64,.9);
  box-shadow:0 0 10px rgba(242,184,64,.6);
}
.piece.king .disc{position:relative}
.piece.dead{opacity:0;transform:scale(.4)}
.piece.pop{animation:pop .3s ease}
@keyframes pop{0%{transform:scale(.3);opacity:0}70%{transform:scale(1.12)}100%{transform:scale(1)}}
.piece.crowned{animation:crown .5s ease}
@keyframes crown{0%,100%{transform:none}40%{transform:translateY(-14%) scale(1.1)}}

.board-actions{display:flex;gap:10px;width:100%;max-width:560px}

/* log + overlays (shared) */
.log-panel{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:40;background:linear-gradient(180deg,var(--surface),var(--bg-2));border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.log-panel.open{transform:none}
.log-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--line)}
.log-head h2{font-size:15px;font-weight:800}
.log-list{flex:1;overflow-y:auto;padding:12px 16px}
.log-list li{font-size:12.5px;color:var(--tx-2);padding:6px 0;border-bottom:1px solid rgba(255,255,255,.05);line-height:1.45}
.log-list li .time{color:var(--tx-3);font-size:11px;margin-right:6px}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:35}

.overlay{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:18px;background:rgba(7,9,16,.95)}
.overlay .ov-panel{width:100%;max-width:380px;display:flex;flex-direction:column;gap:10px;animation:panelIn .22s ease-out both}
@keyframes panelIn{from{transform:translateY(12px) scale(.97)}to{transform:none}}
.ov-panel h2{font-family:var(--f-display);font-weight:600;font-size:22px}
.ov-panel .btn{margin-top:6px}
.share-row{display:flex;gap:8px}
.share-row .field{font-size:12px}
.share-row .btn{width:auto;flex:0 0 auto;padding:11px 14px}
.lobby-players{display:flex;flex-direction:column;gap:8px;margin:6px 0}
.lobby-players li{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:11px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.avatar{width:28px;height:28px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;font-weight:800;font-size:12px;color:#fff}
.tag-host{font-size:10px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gold)}
.end-emoji{font-size:52px}

.toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom));transform:translate(-50%,16px);z-index:60;padding:10px 16px;border-radius:11px;font-size:13.5px;font-weight:600;background:var(--surface-2);border:1px solid var(--line-2);color:#fff;box-shadow:0 16px 40px -16px #000;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.err{background:#3b1220;border-color:#7f1d3a;color:#fecdd3}
.confetti{position:fixed;top:-14px;width:9px;height:14px;z-index:70;pointer-events:none;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.2}}

@media (max-width:520px){
  .topbar{padding:8px 10px;flex-wrap:wrap}
  .turn-banner{order:3;flex-basis:100%;margin-top:4px}
  .board-main{padding:10px}
}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* ---------- open games (public rooms) ---------- */
.open-games{margin-top:20px}
.og-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.og-head h2{font-family:var(--f-display);font-weight:600;font-size:18px}
.og-refresh{width:34px;height:34px;border-radius:10px;border:1px solid var(--line-2);background:var(--surface-2);color:var(--tx-2);font-size:15px;transition:background .15s,transform .3s}
.og-refresh:hover{background:#232a3a;color:var(--tx)}
.og-refresh.spin{transform:rotate(360deg)}
.og-hint{font-size:13px;margin:6px 0 12px}
.og-list{display:flex;flex-direction:column;gap:8px}
.og-list li{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}
.og-list .og-av{width:30px;height:30px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;font-weight:800;font-size:12px;color:#fff}
.og-list .og-meta{flex:1;min-width:0;line-height:1.2}
.og-list .og-host{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.og-list .og-sub{font-size:11.5px;color:var(--tx-3)}
.og-list .og-join{flex:0 0 auto;width:auto;padding:8px 16px;font-size:13px}
.og-empty{font-size:13px;padding:6px 0}

/* ---------- lobby: public toggle + share ---------- */
.pub-toggle{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--line);cursor:pointer;margin:6px 0}
.pub-toggle input{width:18px;height:18px;margin-top:1px;accent-color:var(--gold);flex:0 0 auto}
.pub-toggle small{display:block;font-size:11.5px;margin-top:2px;line-height:1.4}
.code-big{font-family:ui-monospace,Menlo,monospace;font-weight:800;letter-spacing:.32em;font-size:26px;text-align:center;color:var(--gold);background:var(--bg-2);border:1px solid var(--line-2);border-radius:12px;padding:12px;margin:2px 0}
.share-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.share-btns .btn{width:100%;font-size:13px;padding:10px 12px}
.share-btns .btn.full{grid-column:1/-1}