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0 0 3px rgba(31,111,165,.3);--mc-shadow-sm:0 1px 2px rgba(11,36,48,.09);--mc-shadow:0 6px 20px -8px rgba(11,36,48,.2);--mc-shadow-lg:0 18px 48px -16px rgba(11,36,48,.26);color-scheme:light}[data-theme=dark]{--mc-bg:#05121A;--mc-surface:#081B25;--mc-surface-2:#0B2430;--mc-surface-3:#10303E;--mc-surface-4:#17404F;--mc-line:rgba(150,196,218,.13);--mc-line-strong:rgba(150,196,218,.26);--mc-text:#E8F2F7;--mc-text-dim:#93AFBE;--mc-text-faint:#65808F;--mc-blue:#2E7FB5;--mc-blue-hover:#3690CB;--mc-blue-bright:#63B6E6;--mc-blue-deep:#1F4E79;--mc-blue-wash:rgba(99,182,230,.1);--mc-bg-deep:#0B3B52;--mc-green:#42B98A;--mc-amber:#E9A23B;--mc-red:#D9534F;--mc-focus:#63B6E6;--mc-focus-ring:0 0 0 3px rgba(99,182,230,.38);color-scheme:dark}:root{--bg: var(--mc-bg, #0f1420);--bg-panel: var(--mc-surface-2, #171d2e);--bg-panel-hover: var(--mc-surface-3, #1e2538);--border: var(--mc-line, #2a3348);--text: var(--mc-text, #e6e9f0);--text-dim: var(--mc-text-dim, #9aa4bd);--accent: var(--mc-blue-bright, #4f8cff);--critical: var(--mc-red, #ef4a5e);--warning: var(--mc-amber, #f0a93f);--suggestion: var(--mc-green, #58c48a);--good: var(--mc-green, #58c48a);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app-shell{max-width:1200px;margin:0 auto;padding:24px 20px 60px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.topbar h1{font-size:20px;margin:0}.btn{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}@media (max-width: 640px){.card-grid{grid-template-columns:1fr}}.card{background:var(--bg-panel);border:1px solid 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