:root{--bg:#0E171C;--rail:#0A1216;--panel:#13212A;--line:#1F2E36;--line2:#2A3D47;--ink:#E9E2D3;--soft:#D6CFC1;--muted:#9FB0B8;--gold:#E3B65B;--blue:#8FC3EC;--orange:#F0A060;--light:#EADFC8;--dark:#A47A55;--mono:'JetBrains Mono',ui-monospace,Consolas,monospace}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font-family:'Alegreya Sans',system-ui,sans-serif;-webkit-tap-highlight-color:rgba(0,0,0,0)}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.app{display:flex;min-height:100vh}
.rail{flex:0 0 84px;background:var(--rail);border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 0}
.rail .logo{font-family:'Alegreya',serif;font-size:22px;font-weight:800;color:var(--gold);margin-bottom:12px;text-decoration:none}
.rail a.nav{width:68px;min-height:58px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-decoration:none;color:var(--muted);font-size:11.5px;font-weight:700}
.rail a.nav:hover{background:#13212A;color:var(--ink)}
.rail a.nav[aria-current="page"]{background:#1D2F39;color:var(--gold)}
.main{flex:1 1 640px;min-width:0;display:flex;flex-direction:column;gap:12px;padding:16px 22px}
.hdr{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.hdr .sub{font-size:13px;color:var(--muted)}
.hdr h1{margin:2px 0 0;font-family:'Alegreya',serif;font-size:24px;font-weight:800}
.hdr h1 .vs{color:var(--muted);font-weight:700}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.btn{min-height:40px;padding:0 14px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);font-weight:700;cursor:pointer}
.btn:hover{border-color:#3B5260}
.btn.gold{background:var(--gold);color:#0E171C;border:0;font-weight:800}
.btn[disabled]{opacity:.5;cursor:default}
.boardrow{display:flex;gap:12px;justify-content:center;align-items:stretch}
.evalbar{flex:0 0 18px;border-radius:6px;overflow:hidden;background:#1A1A1A;position:relative;display:flex;flex-direction:column-reverse}
.evalbar .w{background:#F2EDE3;height:50%;transition:height .35s ease}
.evalbar .num{position:absolute;left:0;right:0;text-align:center;font-family:var(--mono);font-size:10px;font-weight:700}
.board{position:relative;width:min(640px,calc(100vh - 230px),100%);aspect-ratio:1;display:grid;grid-template-columns:repeat(8,minmax(0,1fr));grid-template-rows:repeat(8,minmax(0,1fr));border-radius:8px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.45);touch-action:none;user-select:none}
.sq{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0;overflow:hidden}
.sq.l{background:var(--light)}.sq.d{background:var(--dark)}
.sq.last.l{background:#E8CE7E}.sq.last.d{background:#C8A247}
.sq.sel{box-shadow:inset 0 0 0 4px rgba(227,182,91,.95)}
.sq.chk{background:radial-gradient(circle,#ff5a3c 0%,rgba(255,90,60,.55) 40%,transparent 72%)!important}
.sq svg.pc{width:90%;height:90%;filter:drop-shadow(0 1px 1px rgba(0,0,0,.25));pointer-events:none}
.sq .dot{position:absolute;width:26%;height:26%;border-radius:50%;background:rgba(14,23,28,.28);pointer-events:none}
.sq .ring{position:absolute;inset:6%;border-radius:50%;border:5px solid rgba(14,23,28,.28);pointer-events:none}
.sq .co{position:absolute;font-size:11px;font-weight:700;pointer-events:none}
.sq .co.r{left:4px;top:2px}.sq .co.f{right:4px;bottom:1px}
.sq.l .co{color:var(--dark)}.sq.d .co{color:var(--light)}
.drag{position:fixed;pointer-events:none;z-index:50;filter:drop-shadow(0 6px 10px rgba(0,0,0,.4))}
.navrow{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px}
.navrow .btn{width:52px;font-size:18px;padding:0}
.hint{font-size:12.5px;color:var(--muted)}
.graph{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.graph .gh{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.graph .gh b{color:var(--ink)}
.graph svg{width:100%;height:76px;display:block;cursor:pointer}
.side{flex:1 1 400px;max-width:470px;min-width:0;background:var(--rail);border-left:1px solid var(--line);display:flex;flex-direction:column;max-height:100vh;position:sticky;top:0}
.eng{padding:14px 16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.eng .top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.eng .ev{font-family:var(--mono);font-size:28px;font-weight:700}
.eng .meta{font-size:13px;color:var(--muted)}
.tgl{min-height:36px;padding:0 12px;border-radius:999px;border:1px solid var(--line2);background:var(--panel);font-weight:700;cursor:pointer}
.tgl[aria-pressed="true"]{background:var(--gold);color:#0E171C;border:0}
.pvl{display:grid;grid-template-columns:60px minmax(0,1fr);gap:10px;align-items:baseline;padding:7px 10px;border-radius:8px;background:var(--panel);cursor:pointer;border:0;text-align:left;width:100%}
.pvl:hover{background:#192C37}
.pvl .e{font-family:var(--mono);font-size:14px;font-weight:700}
.pvl .p{font-family:var(--mono);font-size:13.5px;color:var(--soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.moves{flex:1 1 auto;overflow:auto;padding:12px 16px;font-family:var(--mono);font-size:14px;line-height:1.9}
.moves .lbl{font-family:'Alegreya Sans',sans-serif;font-size:12.5px;font-weight:700;color:var(--muted);display:block;margin-bottom:4px}
.mv{padding:1px 5px;border-radius:5px;cursor:pointer;white-space:nowrap}
.mv:hover{background:#1D2F39}
.mv.cur{background:var(--gold);color:#0E171C}
.num{color:#6F8590;margin-left:4px}
.var{color:var(--muted);font-size:13px}
.var .mv{color:#BFB8AA}
.g-b{color:var(--orange);font-weight:700}.g-m{color:#F3B27E;font-weight:700}.g-i{color:#E9D38A;font-weight:700}
.cmt{color:#9FC9A8;font-family:'Alegreya Sans',sans-serif;font-style:italic}
.study{border-top:1px solid var(--line);padding:12px 16px 16px;display:flex;flex-direction:column;gap:10px}
.tabs{display:flex;gap:6px}
.tab{min-height:36px;padding:0 12px;border-radius:8px;border:1px solid var(--line2);background:transparent;color:var(--soft);font-weight:700;cursor:pointer}
.tab[aria-selected="true"]{background:var(--gold);color:#0E171C;border:0;font-weight:800}
.note{font-size:14.5px;line-height:1.5;color:var(--soft);margin:0}
.note b{color:var(--gold)}
textarea,input[type=text]{width:100%;border-radius:10px;border:1px solid var(--line2);background:var(--bg);color:var(--ink);font-family:var(--mono);font-size:13px;padding:10px}
.dlg{position:fixed;inset:0;background:rgba(5,9,12,.7);display:none;align-items:center;justify-content:center;z-index:60;padding:16px}
.dlg.on{display:flex}
.dlg .box{background:var(--panel);border:1px solid var(--line2);border-radius:16px;padding:20px;width:min(560px,100%);display:flex;flex-direction:column;gap:12px}
.dlg h2{margin:0;font-family:'Alegreya',serif;font-size:22px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:#1D2F39;border:1px solid var(--line2);padding:10px 16px;border-radius:999px;font-weight:700;opacity:0;transition:opacity .25s;pointer-events:none;z-index:70}
.toast.on{opacity:1}
.prog{height:4px;background:#22333D;border-radius:2px;overflow:hidden;display:none}
.prog.on{display:block}.prog i{display:block;height:100%;width:0;background:var(--gold);transition:width .2s}
.drop{position:fixed;inset:12px;border:3px dashed var(--gold);border-radius:22px;background:rgba(14,23,28,.75);display:none;align-items:center;justify-content:center;font-family:'Alegreya',serif;font-size:26px;z-index:80}
.drop.on{display:flex}
@media (max-width:900px){.app{flex-direction:column}.rail{flex-direction:row;flex:0 0 auto;padding:6px 10px;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}.rail .logo{margin:0 10px 0 4px}.rail a.nav{min-height:48px;width:64px}.side{max-width:none;position:static;max-height:none;border-left:0;border-top:1px solid var(--line)}.board{width:min(100%,calc(100vw - 60px))}.main{padding:12px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.xp{display:none;flex-direction:column;gap:10px;max-height:48vh;overflow:auto}
.xp.on{display:flex}
.xp .xh{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.xp .on2{font-weight:700;color:var(--ink)}
.seg{display:inline-flex;background:var(--panel);border:1px solid var(--line2);border-radius:9px;padding:2px}
.seg button{min-height:32px;padding:0 10px;border:0;border-radius:7px;background:transparent;color:var(--soft);font-weight:700;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--gold);color:#0E171C}
.xt{width:100%;border-collapse:collapse;font-size:13.5px}
.xt th{color:var(--muted);font-weight:700;text-align:left;padding:4px 6px;font-size:12px}
.xt td{padding:6px;border-top:1px solid var(--line)}
.xt tr.mvrow{cursor:pointer}.xt tr.mvrow:hover td{background:#13212A}
.xt .san{font-family:var(--mono);font-weight:700}
.xt .n{font-family:var(--mono);color:var(--soft);text-align:right;white-space:nowrap}
.rb{display:flex;height:16px;border-radius:4px;overflow:hidden;min-width:120px;font-family:var(--mono);font-size:10.5px;font-weight:700}
.rb span{display:flex;align-items:center;justify-content:center;overflow:hidden;white-space:nowrap}
.rb .w{background:#F2EDE3;color:#0E171C}.rb .d{background:#7D8B92;color:#0E171C}.rb .b{background:#1E1712;color:#E9E2D3;border:1px solid #33424A}
.gl{display:flex;flex-direction:column;gap:4px}
.gl button{display:flex;justify-content:space-between;gap:8px;border:0;background:var(--panel);border-radius:8px;padding:8px 10px;cursor:pointer;text-align:left;font-size:13.5px}
.gl button:hover{background:#192C37}
.gl .r{font-family:var(--mono);color:var(--muted);white-space:nowrap}

.pbar{display:flex;align-items:center;justify-content:space-between;gap:12px;width:min(640px,calc(100vh - 250px),100%);margin:0 auto;padding:8px 12px;border-radius:12px;background:var(--panel);border:1px solid var(--line)}
.pbar .who{display:flex;align-items:center;gap:10px;min-width:0}
.pbar .av{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:#1D2F39;color:var(--gold);font-family:'Alegreya',serif;font-weight:800}
.pbar .nm{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pbar .sub{font-size:12.5px;color:var(--muted)}
.pbar .clk{font-family:var(--mono);font-size:24px;font-weight:700;padding:4px 12px;border-radius:8px;background:#0A1216;min-width:96px;text-align:center}
.pbar .clk.on{background:#F2EDE3;color:#0E171C}.pbar .clk.low{background:#C2410C;color:#fff}
.pbar .cap{font-size:13px;color:var(--muted);font-family:var(--mono)}
.board{width:min(640px,calc(100vh - 250px),100%)}
.setup{padding:16px;display:flex;flex-direction:column;gap:14px;overflow:auto}
.setup h2{margin:0;font-family:'Alegreya',serif;font-size:24px}
.lbl2{font-size:12.5px;font-weight:700;color:var(--muted);margin-bottom:6px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.opt{min-height:52px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);color:var(--ink);cursor:pointer;text-align:left;padding:8px 12px;display:flex;flex-direction:column;justify-content:center}
.opt b{font-size:15px}.opt small{color:var(--muted);font-size:12.5px}
.opt[aria-pressed="true"]{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold);background:#1A2A33}
.big{min-height:50px;font-size:17px}
.mvl{flex:1 1 auto;overflow:auto;padding:12px 16px;font-family:var(--mono);font-size:14px}
.mvl table{width:100%;border-collapse:collapse}.mvl td{padding:3px 6px}.mvl td.n{color:#6F8590;width:40px}
.mvl .mv{display:inline-block;padding:1px 6px;border-radius:5px;cursor:pointer}.mvl .mv.cur{background:var(--gold);color:#0E171C}
.acts{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px;border-top:1px solid var(--line)}
.result{margin:12px 16px;padding:16px;border-radius:14px;background:#1A2A33;border:1px solid var(--gold);display:flex;flex-direction:column;gap:8px}
.result h3{margin:0;font-family:'Alegreya',serif;font-size:24px}
.promo{position:absolute;inset:0;background:rgba(5,9,12,.6);display:none;align-items:center;justify-content:center;z-index:5}
.promo.on{display:flex}.promo div{display:flex;gap:8px;background:var(--panel);padding:10px;border-radius:14px;border:1px solid var(--line2)}
.promo button{width:72px;height:72px;border-radius:10px;border:1px solid var(--line2);background:var(--light);cursor:pointer}
.status{font-size:13.5px;color:var(--muted);text-align:center;min-height:20px}

.tabs2{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--line)}
.panel{padding:14px 16px;display:flex;flex-direction:column;gap:10px;overflow:auto;flex:1 1 auto;min-height:0}
.card2{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.lvl{display:flex;flex-direction:column;gap:6px;cursor:pointer;text-align:left;width:100%;color:var(--ink)}
.lvl.cur{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold)}
.lvl.lock{opacity:.55}
.lvl .t{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.lvl .t b{font-family:'Alegreya',serif;font-size:17px}.lvl .t span{font-size:12.5px;color:var(--muted)}
.prog2{height:6px;border-radius:3px;background:#22333D;overflow:hidden}.prog2 i{display:block;height:100%;background:var(--gold)}
.chip{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:800;border-radius:999px;padding:2px 8px;background:var(--gold);color:#0E171C}
.banner{border-radius:12px;padding:12px 14px;font-weight:700}
.banner.ok{background:#173A2C;color:#9FE0BE;border:1px solid #2C6B50}.banner.bad{background:#3D2A1E;color:#F3B27E;border:1px solid #6B4A2C}.banner.info{background:#1A2A33;color:var(--soft);border:1px solid var(--line2)}
.page{max-width:1180px;margin:0 auto;padding:24px 28px;display:flex;flex-direction:column;gap:22px;width:100%}
.page h1{margin:0;font-family:'Alegreya',serif;font-size:34px}
.sec h2{margin:0 0 10px;font-family:'Alegreya',serif;font-size:24px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.ev{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:6px}
.ev b{font-family:'Alegreya',serif;font-size:18px}.ev .m{font-size:13px;color:var(--muted)}.ev p{margin:0;font-size:14px;color:var(--soft);line-height:1.45}
.ev .acts2{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;padding-top:6px}
.live{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:#8FD3B6}.live i{width:8px;height:8px;border-radius:50%;background:#8FD3B6}

.lvl .t .chip{color:#0E171C!important;font-size:11.5px!important;vertical-align:middle;margin-left:4px}

a.btn{color:var(--ink);text-decoration:none;display:inline-flex;align-items:center}a.btn.gold{color:#0E171C}a.btn:hover{border-color:#3B5260}