*{box-sizing:border-box}
:root{--bg:#0b0d12;--panel:#181c24e8;--gold:#d6a85f;--wood:#6c4327;--ivory:#f4ead7;--onyx:#17191e;--text:#f7f4ee;--ok:#4fe09b;--bad:#ff6178}
html,body{margin:0;width:100%;height:100%;overflow:hidden}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--text);background:
radial-gradient(circle at 20% 15%,#53351f 0,transparent 28%),
radial-gradient(circle at 85% 80%,#2d3142 0,transparent 32%),
linear-gradient(145deg,#090b10,#15171d)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.09;background:
repeating-linear-gradient(90deg,transparent 0 28px,#fff 29px 30px);animation:grain 14s linear infinite}
@keyframes grain{to{transform:translateX(30px)}}
button{font:inherit}.hidden{display:none!important}
.app{height:100dvh;max-width:1000px;margin:auto;padding:9px;display:flex;flex-direction:column;gap:9px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--panel);border:1px solid #ffffff16;border-radius:18px;padding:10px 14px;box-shadow:0 14px 36px #0008;backdrop-filter:blur(13px)}
h1{margin:0;font-size:clamp(1.2rem,3vw,1.8rem)}.status{font-size:.85rem;opacity:.78;margin-top:2px}
.score{display:flex;gap:12px;padding:8px 12px;border-radius:13px;background:#0006;white-space:nowrap}
.panel{margin:auto;width:min(640px,100%);padding:24px;border-radius:25px;background:var(--panel);text-align:center;border:1px solid #ffffff17;box-shadow:0 22px 60px #0009}
.panel h2{font-size:clamp(1.5rem,5vw,2.2rem);margin:0 0 18px}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mode{min-height:105px;border:0;border-radius:22px;font-weight:900;font-size:1.08rem;cursor:pointer;box-shadow:0 12px 30px #0007;transition:.18s}
.mode small{display:block;font-size:.75rem;opacity:.7;margin-top:5px}.mode:hover{transform:translateY(-3px)}.mode:active{transform:scale(.97)}
.mode.white{background:linear-gradient(145deg,#fff7e9,#d6c9b2);color:#272019}
.mode.black{background:linear-gradient(145deg,#3c414b,#111318);color:white;border:1px solid #ffffff20}
.network{margin-top:18px;padding-top:15px;border-top:1px solid #ffffff18}.hint{opacity:.7;font-size:.82rem;line-height:1.45}
.game{min-height:0;flex:1;display:flex;flex-direction:column}
.hud{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;background:#12161ddb;border:1px solid #ffffff12;border-radius:15px;padding:8px 10px}
.turn{font-weight:900}.phase{font-size:.75rem;color:var(--gold);margin-top:2px}
.counts{display:flex;justify-content:center;gap:15px;font-size:.78rem;opacity:.88}.counts span{white-space:nowrap}
.actions{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}
.small{border:0;border-radius:9px;padding:7px 9px;background:#ffffff14;color:white;font-weight:750;cursor:pointer;font-size:.76rem}.small.danger{background:#7c2731}.small.ghost{background:#ffffff0b}
.board-shell{min-height:0;flex:1;display:flex;align-items:center;justify-content:center;padding:5px}
.board{width:min(79vh,92vw,680px);aspect-ratio:1;position:relative;border-radius:28px;background:
radial-gradient(circle at 50% 44%,#9e7046,#68401f 72%,#422715);
box-shadow:inset 0 0 0 3px #e6bd7e44,inset 0 0 50px #0008,0 22px 55px #0009;overflow:hidden}
.board:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(4deg,transparent 0 18px,#2e170811 19px 21px);pointer-events:none}
.board svg{position:absolute;inset:0;width:100%;height:100%}.lines{fill:none;stroke:#edd2a7;stroke-width:10;stroke-linecap:round;opacity:.75;filter:drop-shadow(0 2px 2px #0008)}
.point{position:absolute;width:8.2%;aspect-ratio:1;border-radius:50%;border:0;transform:translate(-50%,-50%);background:#24170f;box-shadow:inset 0 3px 8px #000b,0 0 0 3px #d9b47c99;cursor:pointer;padding:0;transition:.15s transform,.15s filter,.15s box-shadow}
.point:hover{transform:translate(-50%,-50%) scale(1.08)}
.point.white,.point.black{box-shadow:0 7px 12px #0007,inset 0 5px 9px #ffffff55,inset 0 -8px 12px #0005}
.point.white{background:radial-gradient(circle at 35% 28%,#fff,#eadfcd 58%,#b9aa92)}
.point.black{background:radial-gradient(circle at 35% 28%,#777b84,#25282e 48%,#090a0d)}
.point.selected{transform:translate(-50%,-50%) scale(1.14);box-shadow:0 0 0 5px #62d7ff,0 0 25px #62d7ff}
.point.target{animation:target 1s ease-in-out infinite alternate;box-shadow:0 0 0 5px #70efb0,0 0 24px #70efb0}
.point.capture{animation:capture  .65s ease-in-out infinite alternate;box-shadow:0 0 0 5px #ff667c,0 0 28px #ff405f}
.point.mill{filter:brightness(1.2);box-shadow:0 0 0 4px #ffd46a,0 0 28px #ffd46a}
@keyframes target{to{transform:translate(-50%,-50%) scale(1.13)}}@keyframes capture{to{transform:translate(-50%,-50%) scale(.87)}}
.help{display:flex;align-items:center;justify-content:center;gap:12px;min-height:30px;font-size:.83rem;opacity:.9}.sync{margin-left:auto;color:var(--ok)}.sync.bad{color:var(--bad)}.sync.work{color:#ffd46a}
.toast{position:fixed;left:50%;top:50%;z-index:20;transform:translate(-50%,-50%);padding:18px 28px;border-radius:20px;background:#0d1118f2;border:1px solid #ffffff22;box-shadow:0 24px 80px #000c;font-weight:900;font-size:clamp(1.2rem,5vw,2rem);animation:pop .22s ease}
@keyframes pop{from{transform:translate(-50%,-50%) scale(.65);opacity:0}}
#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:30}
@media(max-width:700px){
 .app{padding:5px}.topbar{padding:8px 10px}.hud{grid-template-columns:1fr auto}.counts{grid-column:1/3;grid-row:2;justify-content:space-between;gap:5px}.actions{grid-column:2}.mode-grid{grid-template-columns:1fr}.panel{padding:18px}
 .small{font-size:.68rem;padding:6px}.board{width:min(72vh,96vw)}
}
@media(max-height:650px) and (orientation:landscape){
 .topbar{padding:5px 10px}.topbar h1{font-size:1rem}.status{font-size:.72rem}
 .game{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto 1fr auto}.hud{grid-column:1/3}.board-shell{grid-column:1;width:76vh}.help{grid-column:2;grid-row:2;flex-direction:column;padding:8px}
}