body { margin: 0; font-family: system-ui, sans-serif; background: #0f1419; color: #e8eef4; }
.mgr-login { max-width: 28rem; margin: 4rem auto; padding: 2rem; }
.mgr-login h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.mgr-muted { color: #8b9aab; margin: 0 0 1.5rem; }
label { display: block; margin-bottom: 1rem; font-size: 0.9rem; }
input { width: 100%; box-sizing: border-box; padding: 0.6rem; margin-top: 0.35rem; border: 1px solid #2a3544; border-radius: 6px; background: #1a222d; color: inherit; }
button { padding: 0.65rem 1.2rem; border: 0; border-radius: 6px; background: #3d7cff; color: #fff; cursor: pointer; }
.mgr-hidden { display: none; }
.mgr-msg { min-height: 1.25rem; color: #f87171; font-size: 0.85rem; }