*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--navy: #1a1a2e;--blue: #2563eb;--blue-h: #1d4ed8;--bg: #f4f4f7;--border: #e5e7eb;--muted: #6b7280;--white: #ffffff}html,body,#root{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-size:14px;color:var(--navy);background:var(--bg)}.app-nav{background:var(--navy);color:#fff;display:flex;align-items:center;gap:8px;padding:0 24px;height:48px;box-shadow:0 1px 3px #00000026;flex-shrink:0}.app-nav__brand{font-weight:700;font-size:15px;letter-spacing:.4px;flex:1}.app-nav a{color:#ffffffa6;text-decoration:none;padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;transition:background .15s,color .15s}.app-nav a:hover{color:#fff;background:#ffffff1a}.app-nav a.active{color:#fff;background:#ffffff26}#root{display:flex;flex-direction:column}button{cursor:pointer;font-family:inherit;font-size:13px;font-weight:500;border:none;border-radius:8px;padding:8px 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