:root{--bg:#0a1310;--panel:#13231a;--panel2:#0f1c15;--border:#26402f;--txt:#e9f1ec;--muted:#8ba396;--accent:#22c55e;--accent2:#16a34a;--lime:#8CC63F;--good:#22c55e;--bad:#ef4444;--warn:#f59e0b;--lite:#EBECD0;--dark:#779556;--sel:#8CC63F;--last:#b7e07a;--mono:ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--txt);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}button{font:inherit;cursor:pointer;border-radius:10px;border:1px solid var(--border);background:#222a34;color:var(--txt);padding:11px 16px;font-weight:600;transition:.12s}button:hover{background:#2b3540}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover{background:var(--accent2)}button.danger{background:var(--bad);border-color:var(--bad);color:#fff}button.ghost{background:transparent;color:var(--muted)}button.ghost:hover{color:var(--txt);background:#1b2129}button.big{padding:15px 18px;font-size:16px;width:100%}.mono{font-family:var(--mono)}.small{font-size:12px}.muted{color:var(--muted)}.boot{display:grid;place-items:center;height:100vh;color:var(--muted)}input,select{background:var(--panel2);color:var(--txt);border:1px solid var(--border);border-radius:9px;padding:11px 12px;font-size:15px;width:100%}input:focus,select:focus{outline:none;border-color:var(--accent)}.brand{display:flex;flex-direction:column;align-items:center;gap:8px}.brand-img{width:200px;max-width:72%;height:auto;filter:drop-shadow(0 4px 14px rgba(0,0,0,.5))}.brand-sub{font-size:13px;letter-spacing:.22em;text-transform:uppercase;color:var(--lime);font-weight:800}.brand.row{flex-direction:row;align-items:center;gap:12px}.brand-img-sm{height:38px;width:auto}.brand-sub-sm{font-weight:800;font-size:17px;color:var(--txt)}.brand-sub-sm b{color:var(--lime)}.auth-page{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}@media (max-width:860px){.auth-page{grid-template-columns:1fr}}.auth-hero{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:40px 32px;background:radial-gradient(680px 420px at 28% 8%,rgba(140,198,63,.16),transparent),linear-gradient(155deg,#12261a,#0a170f 72%)}.auth-hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(480px 300px at 82% 100%,rgba(34,197,94,.12),transparent)}.auth-hero-inner{position:relative;z-index:1;max-width:380px;text-align:center}.auth-logo{width:230px;max-width:70%;height:auto;filter:drop-shadow(0 6px 18px rgba(0,0,0,.55))}.auth-h1{font-size:23px;margin:14px 0 6px;font-weight:800}.auth-tag{color:var(--muted);font-size:14px;line-height:1.55;margin:0 auto 22px;max-width:330px}.auth-board{margin:0 auto 22px}.auth-board .board-wrap{width:min(72vw,300px);margin:0 auto}.auth-board .board{border-width:8px}.auth-feats{list-style:none;padding:0;margin:0 auto;display:flex;flex-direction:column;gap:9px;text-align:left;max-width:300px}.auth-feats li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt)}.auth-feats li span{width:26px;height:26px;flex:0 0 auto;display:grid;place-items:center;border-radius:7px;background:#22c55e24;border:1px solid var(--border);font-size:14px}@media (max-width:860px){.auth-hero{display:none}}.auth-panel{display:grid;place-items:center;padding:24px;background:linear-gradient(160deg,#0b1510,#0a1310)}.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:0 20px 60px #0000008c}.mobile-brand{display:none;margin-bottom:16px}.mobile-brand .brand-img{width:170px}@media (max-width:860px){.mobile-brand{display:flex}}.auth-card-title{font-size:18px;margin:0 0 16px;font-weight:800;color:var(--txt)}.tabs{display:flex;gap:6px;background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:4px;margin-bottom:18px}.tabs button{flex:1;border:none;background:transparent;color:var(--muted)}.tabs button.on{background:var(--accent);color:#fff}.auth-card form{display:flex;flex-direction:column;gap:14px}.auth-card label{display:flex;flex-direction:column;gap:6px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.country-row{display:flex;align-items:center;gap:10px}.flag-big{font-size:30px}.erro{background:#e5534b29;border:1px solid var(--bad);color:#ffb4ae;padding:9px 12px;border-radius:9px;font-size:13px}.lobby{max-width:1040px;margin:0 auto;padding:20px 16px 60px}.lobby-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:22px}.me{display:flex;align-items:center;gap:10px}.pflag{font-size:20px}.rating-chip{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:4px 10px;font-family:var(--mono);font-weight:700;color:var(--accent)}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.card h2{margin:0 0 14px;font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.home{display:flex;flex-direction:column;gap:18px}.hero{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;position:relative;overflow:hidden;background:linear-gradient(135deg,#12261a,#0c1a12 62%);border:1px solid var(--border);border-radius:18px;padding:30px 32px}.hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(520px 280px at 92% 8%,rgba(140,198,63,.16),transparent)}.hero-info{position:relative;z-index:1}.hero-eyebrow{color:var(--lime);font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase}.hero-title{font-size:31px;margin:8px 0 6px;font-weight:800;line-height:1.1}.hero-title .hf{font-size:26px}.hero-sub{color:var(--muted);font-size:15px;max-width:430px;margin:0 0 20px;line-height:1.55}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-actions .big{width:auto;padding:15px 22px}.hero-actions em{font-style:normal;opacity:.9;font-weight:600}.hero-board{position:relative;z-index:1}.hero-board .board-wrap{width:min(44vw,290px)}.hero-board .board{border-width:8px}@media (max-width:760px){.hero{grid-template-columns:1fr}.hero-board{display:none}}.home-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media (max-width:820px){.home-grid{grid-template-columns:1fr}}.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.card-head h2{margin:0}.link{background:none;border:none;color:var(--lime);padding:0;font-weight:700;font-size:13px}.link:hover{background:none;text-decoration:underline}.prof-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}.prof-flag{font-size:40px;line-height:1}.prof-name{font-size:18px;font-weight:800}.prof-country{color:var(--muted);font-size:13px}.prof-rating{font-size:38px;font-weight:800;color:var(--accent);line-height:1}.prof-rating span{display:block;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:700;margin-top:3px}.prof-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}.prof-stats>div{background:var(--panel2);border:1px solid var(--border);border-radius:10px;padding:10px 4px;text-align:center}.prof-stats b{display:block;font-size:19px;font-family:var(--mono)}.prof-stats span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.prof-stats .w{color:var(--good)}.prof-stats .d{color:var(--muted)}.prof-stats .l{color:var(--bad)}.rank-mini{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.rank-mini li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;background:var(--panel2);border:1px solid transparent}.rank-mini li.me{border-color:var(--accent);background:#22c55e1a}.rank-mini .pos{width:22px;height:22px;border-radius:50%;background:#22303a;display:grid;place-items:center;font-size:12px;font-weight:800;font-family:var(--mono);flex:0 0 auto;color:var(--muted)}.rank-mini .pos.p1{background:#caa430;color:#1a1400}.rank-mini .pos.p2{background:#9aa3ad;color:#10151b}.rank-mini .pos.p3{background:#b06b3a;color:#1a1000}.rank-mini .rn{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-mini .rr{font-family:var(--mono);font-weight:700;color:var(--accent)}.rank-mini .empty{justify-content:center}.recent-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.recent-list li{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;background:var(--panel2);font-size:13px}.res-dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}.res-dot.win{background:var(--good)}.res-dot.loss{background:var(--bad)}.res-dot.draw{background:var(--warn)}.rg-opp{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rg-res{font-weight:700}.rg-res.win{color:var(--good)}.rg-res.loss{color:var(--bad)}.rg-res.draw{color:var(--warn)}.rg-empty{justify-content:center;text-align:center}.board-wrap{position:relative;width:min(92vw,560px)}.board{display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);width:100%;aspect-ratio:1;border:10px solid #3c2a1c;border-radius:6px;overflow:hidden;box-shadow:0 12px 44px #0009,inset 0 0 0 2px #00000059}.sq{position:relative;display:grid;place-items:center;-webkit-user-select:none;user-select:none;min-width:0;min-height:0;aspect-ratio:1}.sq.light{background:var(--lite)}.sq.dark{background:var(--dark)}.sq.last{box-shadow:inset 0 0 0 100px #ffe65a6b}.sq.sel{box-shadow:inset 0 0 0 100px #ffe65a8c}.piece{width:100%;height:100%;padding:5%;box-sizing:border-box;object-fit:contain;cursor:pointer;z-index:2;pointer-events:auto;filter:drop-shadow(0 2px 2px rgba(0,0,0,.32));-webkit-user-drag:none}.dotm{position:absolute;width:30%;height:30%;border-radius:50%;background:#14281447;z-index:1}.cap{position:absolute;top:4%;right:4%;bottom:4%;left:4%;border-radius:50%;z-index:1;box-shadow:inset 0 0 0 6px #14281447}.coord{position:absolute;font-size:11px;font-weight:700;z-index:3;pointer-events:none}.coord.rank{top:3px;left:4px}.coord.file{bottom:2px;right:5px}.sq.light .coord{color:#779556}.sq.dark .coord{color:#ebecd0}.promo{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;gap:8px;align-items:center;justify-content:center;background:#000000b3;border-radius:8px;flex-wrap:wrap;padding:10px}.promo>span{font-size:14px;width:100%;text-align:center;color:#fff;margin-bottom:2px}.promo-btn{padding:6px;line-height:0;background:#ebecd0;border-color:#c9caa8}.promo-btn img{width:46px;height:46px}.promo-btn:hover{background:#fff}.game{max-width:960px;margin:0 auto;padding:18px 14px;display:flex;gap:20px;flex-wrap:wrap;justify-content:center}.game-main{display:flex;flex-direction:column;gap:10px}.pbar{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:9px 13px}.pname{font-weight:700}.prating{font-family:var(--mono);color:var(--accent);font-weight:700}.psub{margin-left:auto;font-size:12px;color:var(--muted)}.turn{text-align:center;font-weight:700;color:var(--warn);min-height:20px}.game-side{width:260px;display:flex;flex-direction:column;gap:14px}@media (max-width:680px){.game-side{width:min(92vw,560px)}}.moves-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px}.moves-card h3{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}.moves{list-style:none;margin:0;padding:0;max-height:340px;overflow:auto;font-family:var(--mono);font-size:13px;line-height:1.9}.moves .mn{color:var(--muted);margin-right:8px}.moves .mb{margin-left:10px}.game-ctrl{display:flex;flex-direction:column;gap:10px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b8;display:grid;place-items:center;z-index:50;padding:18px}.ov-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:26px;text-align:center;max-width:400px;width:100%;box-shadow:0 20px 60px #0009}.ov-card.wide{max-width:520px}.ov-card h2{margin:0 0 6px}.ov-reason{color:var(--muted);margin:0 0 12px;text-transform:capitalize}.ov-elo{font-size:16px}.ov-elo .up{color:var(--good)}.ov-elo .down{color:var(--bad)}.ov-btns{display:flex;gap:10px;justify-content:center;margin-top:8px}.res-win{color:var(--good)}.res-loss{color:var(--bad)}.res-draw{color:var(--warn)}.fld{display:flex;flex-direction:column;gap:6px;text-align:left;margin-bottom:14px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.spinner{width:38px;height:38px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;margin:0 auto 14px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.rank{width:100%;border-collapse:collapse;margin:8px 0 18px;font-size:14px}.rank th{text-align:left;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:8px;border-bottom:1px solid var(--border)}.rank td{padding:9px 8px;border-bottom:1px solid var(--border)}.rank .rt{color:var(--accent);font-weight:700}.rank .meRow{background:#5b8def1a}