:root{--blue: #147a9c;--navy: #0b3b4d;--ink: #1f2933;--muted: #6b7480;--line: #dfe3e8;--bg: #f4f6f8;--warn: #b26a00;--crit: #c62828}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--blue)}button{font:inherit;border:1px solid var(--line);background:#fff;border-radius:4px;padding:6px 12px;cursor:pointer}button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}button.danger{background:var(--crit);color:#fff;border-color:var(--crit)}button:disabled{opacity:.5;cursor:default}input,textarea{font:inherit;border:1px solid var(--line);border-radius:4px;padding:8px;width:100%}.topbar{background:var(--navy);color:#fff;padding:10px 20px;display:flex;justify-content:space-between;align-items:center}.topbar h1{font-size:18px;margin:0;font-weight:600}.topbar .nav{display:flex;align-items:center;gap:18px}.topbar .nav strong{font-size:16px}.topbar .nav 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