body{margin:0;min-height:100vh;display:grid;place-items:center;font-family:system-ui,sans-serif;background:#f4f5f7;color:#1f2430}.login-card{background:#fff;border:1px solid #e0e3e8;border-radius:10px;padding:2.5rem 3rem;max-width:26rem;text-align:center;box-shadow:0 2px 8px #0000000f}.login-button{display:inline-block;margin-top:1rem;padding:.6rem 1.4rem;border-radius:6px;background:#26313f;color:#fff;text-decoration:none}.login-button--disabled{background:#a7adb7;pointer-events:none}