:root{--bg: #0a0a0f;--card: #15151f;--stroke: #2a2a38;--text: #e8eef7;--muted: #8b95a7;--green: #16a34a}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(circle at 20% -10%,rgba(22,163,74,.18),transparent 30rem),var(--bg);color:var(--text)}.shell{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--stroke);border-radius:18px;padding:28px;box-shadow:0 24px 70px #00000073;display:flex;flex-direction:column;gap:8px}.brand{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--green);font-weight:700}h1{margin:4px 0 12px;font-size:22px}label{font-size:12px;color:var(--muted);margin-top:8px}input{background:#0c0c14;border:1px solid var(--stroke);border-radius:10px;padding:11px 12px;color:var(--text);font-size:14px;outline:none}input:focus{border-color:var(--green)}button{margin-top:16px;border:none;border-radius:10px;padding:12px;font-size:14px;font-weight:600;cursor:pointer}.btn-primary{background:var(--green);color:#fff}.btn-ghost{background:transparent;border:1px solid var(--stroke);color:var(--text)}.erro{margin-top:10px;color:#fca5a5;font-size:13px}.muted{color:var(--muted);font-size:13px;margin:2px 0}.ok{color:#4ade80;font-size:13px;margin-top:8px}