:root{--bg:#05070d;--bg-grad:radial-gradient(circle at 20% -10%,#0d1730 0%,#05070d 55%);--panel:#0e1526;--panel-2:#141d35;--border:#22304f;--text:#f3f6ff;--muted:#8b97b8;--afc:#2f7bff;--afc-glow:rgba(47,123,255,.35);--nfc:#2f7bff;--nfc-glow:rgba(47,123,255,.35);--gold:#ffc531;--gold-glow:rgba(255,197,49,.45);--win:#2fe093;--win-glow:rgba(47,224,147,.35);--heat-low:#16213f;--heat-high:#ffb020;--font-display:"Oswald","Segoe UI",sans-serif;--font-body:"Rubik",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-family:var(--font-body)}*{box-sizing:border-box}body,html{margin:0;padding:0;min-height:100%}body{background:var(--bg-grad);background-color:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:var(--font-display),var(--font-body),sans-serif;letter-spacing:.01em;text-transform:uppercase}.top-bar{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid 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rgba(243,246,255,.35)}.cell:active{transform:translateY(0)}.cell .amount{font-family:var(--font-display),sans-serif;font-weight:700;font-size:.95rem;z-index:1}.cell .bidder{color:hsla(0,0%,100%,.85);font-size:.62rem;max-width:56px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;z-index:1;font-weight:500}.cell .bid-count{color:hsla(0,0%,100%,.6);font-size:.58rem;z-index:1}.cell.mine,.cell.mine:hover{border-color:var(--win);box-shadow:0 0 0 1px var(--win) inset,0 6px 18px -10px var(--win-glow)}.cell.mine .amount{color:var(--win)}.cell.zero-zero,.cell.zero-zero:hover{border-color:var(--gold);box-shadow:0 0 0 1px var(--gold) inset,0 0 20px -6px var(--gold-glow)}.scroll-hint{display:none;text-align:center;color:var(--muted);font-size:.72rem;margin-top:8px;letter-spacing:.04em}.legend{margin-top:18px;font-size:.78rem;color:var(--muted);display:flex;gap:18px;flex-wrap:wrap}.legend 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