:root{--brand: #1f6f6b;--brand-dark: #145551;--bg: #f4f6f8;--text: #1a2b2a;--muted: #5b6b6a;--err: #b00020;--border: #d6dedd}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.card{width:100%;max-width:380px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:32px 28px;box-shadow:0 6px 24px #0000000f}.brand{text-align:center;margin-bottom:20px}.brand h1{font-size:1.15rem;margin:0;color:var(--brand-dark)}.brand p{margin:4px 0 0;color:var(--muted);font-size:.85rem}label{display:block;font-size:.82rem;color:var(--muted);margin:14px 0 4px}input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem}input:focus{outline:2px solid var(--brand);border-color:var(--brand)}button.primary{width:100%;margin-top:20px;padding:11px;background:var(--brand);color:#fff;border:0;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer}button.primary:hover{background:var(--brand-dark)}button.primary:disabled{opacity:.6;cursor:default}button.link{background:none;border:0;color:var(--brand);cursor:pointer;font-size:.82rem;padding:0;margin-top:14px}button.link:hover{text-decoration:underline}.error{color:var(--err);font-size:.85rem;margin-top:14px}.hint{color:var(--muted);font-size:.82rem;margin:6px 0 0}.row-between{display:flex;justify-content:space-between;align-items:center}