:root{--bg:#f4f7f5;--surface:#fff;--surface2:#eaf2ee;--text:#173129;--muted:#6f817a;--brand:#0e4d3d;--brand2:#176b55;--gold:#c5a24b;--danger:#a13232;--line:#dbe5e0;--shadow:0 10px 30px rgba(24,58,46,.12);color-scheme:light}html[data-theme="dark"]{--bg:#0f1714;--surface:#16211d;--surface2:#1d2b26;--text:#eef7f3;--muted:#9eb0a8;--brand:#2b8a6d;--brand2:#3ba17f;--gold:#e0bd62;--danger:#ff8c8c;--line:#2b3b35;--shadow:0 12px 35px rgba(0,0,0,.35);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Tahoma,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}button,input{font:inherit}button{cursor:pointer}.hidden{display:none!important}.offline{position:fixed;z-index:100;top:0;left:0;right:0;background:#9b4f00;color:white;text-align:center;padding:8px;font-size:12px}.auth-shell{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 10%,rgba(197,162,75,.18),transparent 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