:root{--navy: #133663;--bg: #f4f4f4;--err: #b00020;--ok: #1b7a2f}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:#1a1a1a}#app{max-width:420px;margin:48px auto;padding:32px;background:#fff;border-radius:8px;box-shadow:0 1px 4px #00000014}h1{font-size:20px;margin:0 0 24px;color:var(--navy)}label{display:block;font-size:13px;margin:16px 0 6px;font-weight:700}input{width:100%;padding:10px 12px;font-size:15px;border:1px solid #ccc;border-radius:6px}button{width:100%;margin-top:24px;padding:12px;font-size:15px;font-weight:700;color:#fff;background:var(--navy);border:0;border-radius:6px;cursor:pointer}button:disabled{opacity:.6;cursor:default}.msg{margin-top:16px;font-size:14px}.msg.err{color:var(--err)}.msg.ok{color:var(--ok)}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.topbar .logout{width:auto;margin:0;padding:6px 12px;font-size:12px;background:transparent;color:var(--navy);border:1px solid var(--navy)}