:root{--fg: #171717;--muted: #6b7280;--border: #e5e7eb;--border-soft: #f0f0f2;--bg: #ffffff;--bg-soft: #f7f7f8;--accent: #171717;--accent-hover: #2e2e2e;--danger: #b91c1c;--radius: 10px;--radius-sm: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .05)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;line-height:1.45;color:var(--fg);background:var(--bg);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100%;padding:12px 14px 10px;gap:12px}.pad{padding:16px 14px}.center{padding:28px 12px;text-align:center}.muted{color:var(--muted)}.small{font-size:12px}.tiny{font-size:11px}.topbar{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);padding-bottom:10px}.brand-row{display:inline-flex;align-items:center;gap:8px}.logo-mark{width:22px;height:22px;border-radius:6px;display:block}.brand{font-weight:600;font-size:14px;letter-spacing:-.1px}.link,.link-btn{color:#2563eb;text-decoration:none;background:none;border:none;padding:0;font:inherit;cursor:pointer}.link:hover,.link-btn:hover{text-decoration:underline}.tabs{display:flex;gap:6px}.tab{flex:1;border:1px solid var(--border);background:var(--bg);color:var(--muted);border-radius:999px;padding:6px 10px;font:inherit;font-weight:600;font-size:12px;cursor:pointer;transition:background .12s ease,color .12s ease}.tab:hover:not(.active){background:var(--bg-soft)}.tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.chips{display:flex;gap:6px}.tab.chip{flex:0 0 auto;padding:4px 11px;font-size:11px}.notice{background:var(--bg-soft);border:1px solid 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