:root{--bg:#0e1424;--card:#151c33;--line:#2a3558;--ink:#eef2ff;--mute:#9aa6cf;--gold:#ffd24a;--accent:#7dc3ff;--bad:#ff6b6b;--ok:#7dffb0}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow:hidden;overscroll-behavior:none}
#view{position:fixed;inset:0;width:100%;height:100%;display:block;outline:none;touch-action:none}
button{font:inherit;color:var(--ink);background:rgba(21,28,51,.88);border:1px solid var(--line);border-radius:10px;padding:8px 12px;cursor:pointer;backdrop-filter:blur(6px)}
button:hover{border-color:var(--accent)}button:disabled{opacity:.4;cursor:default}
button.on{border-color:var(--gold);background:rgba(255,210,74,.15)}
[hidden]{display:none!important}
#hud{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;pointer-events:none;z-index:5}
#hud>*{pointer-events:auto}
.brand{display:flex;flex-direction:column;line-height:1.05;min-width:96px}.brand small{font-size:10px;letter-spacing:.2em;color:var(--accent)}.brand b{font-size:17px}
#status{flex:1;text-align:center;font-weight:600;padding:7px 14px;border-radius:999px;background:rgba(21,28,51,.82);border:1px solid var(--line);max-width:420px;margin:0 auto;backdrop-filter:blur(6px);pointer-events:none}
#status[data-tone=check]{border-color:var(--bad);color:#ffd0d0}#status[data-tone=think]{color:var(--mute)}#status[data-tone=over]{border-color:var(--gold);color:var(--gold)}
.hright{display:flex;gap:8px}
#side{position:fixed;left:12px;top:calc(60px + env(safe-area-inset-top));width:200px;z-index:4;display:flex;flex-direction:column;gap:6px;pointer-events:none}
#side .cap{display:flex;justify-content:space-between;align-items:center;background:rgba(21,28,51,.78);border:1px solid var(--line);border-radius:10px;padding:5px 10px;font-size:13px;color:var(--mute);min-height:34px}
#side .cap b{font-size:18px;letter-spacing:1px;color:var(--ink);font-weight:500;text-align:right}
#moves{background:rgba(21,28,51,.78);border:1px solid var(--line);border-radius:10px;padding:8px 10px;max-height:34vh;overflow:auto;display:grid;grid-template-columns:auto 1fr 1fr;gap:2px 10px;font-size:13px;pointer-events:auto;align-content:start}
#moves:empty::before{content:"Moves appear here";color:var(--mute);grid-column:1/-1}
#moves .no{color:var(--mute);text-align:right}
#bar{position:fixed;left:50%;bottom:calc(10px + env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;gap:8px;flex-wrap:wrap;justify-content:center;max-width:calc(100vw - 24px);z-index:5}
#bar button{font-size:13px;padding:7px 11px}
.toast{position:fixed;left:50%;bottom:calc(86px + env(safe-area-inset-bottom));transform:translateX(-50%);background:rgba(255,210,74,.95);color:#1a1405;font-weight:600;padding:9px 16px;border-radius:999px;z-index:8;max-width:calc(100vw - 32px);text-align:center;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(6,9,20,.72);backdrop-filter:blur(5px);z-index:20;padding:16px;overflow:auto}
.card{background:linear-gradient(180deg,#1a2342,#131a33);border:1px solid var(--line);border-radius:18px;padding:24px 26px;width:min(560px,100%);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.card.small{width:min(440px,100%);text-align:center}
.card small{letter-spacing:.2em;color:var(--accent);font-size:11px}
.card h1{margin:.2em 0 .3em;font-size:28px;line-height:1.1}.card h2{margin:1.1em 0 .45em;font-size:13px;color:var(--mute);font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.card p{color:#cfd7f5;margin:.4em 0}.card .fine{font-size:12px;color:var(--mute);margin-top:14px}
.row{display:flex;gap:8px;flex-wrap:wrap}.row button{flex:1;min-width:92px}
.go{width:100%;margin-top:18px;padding:13px;font-size:17px;font-weight:700;background:linear-gradient(180deg,#ffd24a,#f0a91c);color:#1c1405;border:0}
.go:hover{filter:brightness(1.08)}
.ghost{width:100%;margin-top:8px;background:transparent}
.card.small .row .go{margin-top:12px}
.helpcard{position:fixed;right:12px;top:calc(60px + env(safe-area-inset-top));width:min(330px,calc(100vw - 24px));background:rgba(21,28,51,.96);border:1px solid var(--line);border-radius:14px;padding:14px 16px;z-index:15}
.helpcard h3{margin:0 0 6px}.helpcard p{margin:.45em 0;font-size:13.5px;color:#d6defa}
#helpClose{position:absolute;right:8px;top:6px;border:0;background:transparent;font-size:22px;padding:2px 8px}
@media (max-width:820px){
 .brand{min-width:0}.brand b{font-size:15px}
 #side{left:8px;right:8px;top:calc(52px + env(safe-area-inset-top));width:auto;flex-direction:row;flex-wrap:wrap;gap:6px}
 #side .cap{flex:1 1 40%;padding:3px 8px;min-height:28px;font-size:11.5px}#side .cap b{font-size:15px}
 #moves{flex:1 1 100%;max-height:none;height:30px;overflow-x:auto;overflow-y:hidden;display:flex;flex-wrap:nowrap;gap:8px;align-items:center;white-space:nowrap;padding:4px 10px}
 #moves .no,#moves .mv{flex:none}
 #bar{gap:6px;bottom:calc(8px + env(safe-area-inset-bottom));left:8px;right:8px;transform:none;max-width:none;flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}#bar::-webkit-scrollbar{display:none}#bar button{font-size:12px;padding:7px 10px;flex:none;white-space:nowrap}
 .toast{bottom:calc(62px + env(safe-area-inset-bottom))}
 .card{padding:18px 18px}.card h1{font-size:23px}
 #status{font-size:13px;padding:6px 10px}
}
@media (max-width:480px){#bMenu{padding:6px 9px;font-size:13px}.brand small{display:none}}