.login-page {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: linear-gradient(160deg, #eff6ff 0%, #f8faff 50%, #ffffff 100%);
}
.login-page[data-valign="middle"] { justify-content: center; }
.login-page[data-valign="top"] { justify-content: flex-start; padding-top: 4rem; }
.login-page[data-valign="bottom"] { justify-content: flex-end; padding-bottom: 4rem; }
.login-page[data-halign="center"] { align-items: center; }
.login-page[data-halign="left"] { align-items: flex-start; padding-left: 4rem; }
.login-page[data-halign="right"] { align-items: flex-end; padding-right: 4rem; }

.login-card {
    background: #fff;
    border-radius: 1.2rem;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
    padding: 2.5rem;
    max-width: 26rem;
    width: 90%;
    text-align: center;
}
.login-card h1 { margin: 0 0 0.5rem; font-size: 1.4rem; color: #0f172a; }
.login-card p { color: #64748b; font-size: 0.9rem; }

.login-form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1.25rem; text-align: left; }
.login-input { width: 100%; padding: 0.6rem 0.8rem; border: 1px solid #cbd5e1; border-radius: 0.5rem; font-size: 0.95rem; }
.login-input:focus { outline: none; border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,0.25); }

.login-submit {
    display: inline-block;
    width: 100%;
    text-align: center;
    background: #3b82f6;
    color: #fff;
    border: none;
    padding: 0.65rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    margin-top: 0.5rem;
}
.login-submit:hover { background: #2563eb; }

.login-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    padding: 0.6rem 0.8rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    margin-top: 1rem;
}