:root{color-scheme:light;--bg-top:#f8fbff;--bg:#eef4fb;--panel:rgba(255,255,255,0.94);--panel-strong:#ffffff;--text:#15304f;--muted:#5e718a;--line:rgba(21,48,79,0.1);--brand:#1f5f99;--brand-deep:#174a79;--accent:#f1a623;--accent-deep:#c98010;--danger:#c44d3c;--shadow:0 22px 44px rgba(31,95,153,0.14);--radius:24px}[data-theme=dark]{color-scheme:dark;--bg-top:#142033;--bg:#0e1724;--panel:rgba(15,24,38,0.94);--panel-strong:#152033;--text:#e9f1fb;--muted:#a8bad2;--line:rgba(233,241,251,0.12);--brand:#5aa2e6;--brand-deep:#93c4f3;--accent:#ffbd59;--accent-deep:#ffd187;--danger:#ff7a68;--shadow:0 22px 44px rgba(0,0,0,0.34)}*{box-sizing:border-box}html{font-size:16px;min-height:100%}body,html{background:radial-gradient(circle at top left,rgba(31,95,153,.18),transparent 28%),radial-gradient(circle at top right,rgba(241,166,35,.18),transparent 24%),linear-gradient(180deg,var(--bg-top) 0,var(--bg) 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