:root{color-scheme:dark;--bg: #0b0b0e;--surface: #16161b;--surface-2: #1e1e25;--border: #2c2c35;--text: #f2f0ea;--text-muted: #a3a3ae;--accent: #cba15c;--accent-contrast: #17130a;--danger: #ff6b6b;--danger-bg: #3a1414;--success: #4ade80;--success-bg: #123321;--warn: #f2b84b;--warn-bg: #3a2c10;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)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.top-nav{display:flex;align-items:center;gap:24px;padding:12px 20px;background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap}.top-nav .brand{font-weight:700;font-size:16px;flex-shrink:0}.top-nav nav{display:flex;gap:4px;flex-wrap:wrap}.top-nav a.nav-link{padding:8px 14px;border-radius:6px;text-decoration:none;color:var(--text-muted);font-weight:600;font-size:14px}.top-nav a.nav-link.active,.top-nav 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10px;border-radius:6px;margin-top:10px;font-size:13px;font-weight:600}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.dashboard-card h3{margin:0 0 8px;font-size:13px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em}.dashboard-card .dashboard-value{font-size:22px;font-weight:700}.dashboard-card .dashboard-sub{margin-top:6px;font-size:13px;color:var(--text-muted)}.artifact-identity{display:flex;align-items:center;gap:10px;min-width:0}.artifact-thumb{width:56px;height:56px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);object-fit:cover;flex-shrink:0;cursor:pointer;display:block}.artifact-thumb-placeholder{width:56px;height:56px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text-muted);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:20px}.artifact-id-short{font-size:13px;font-weight:600;color:var(--text)}.artifact-copy-id{font-size:11px;color:var(--text-muted);background:none;border:none;padding:0;text-decoration:underline;cursor:pointer}@media (max-width: 480px){.artifact-thumb,.artifact-thumb-placeholder{width:44px;height:44px}}