.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f4f7ff 0%, #eef2f7 45%, #ffffff 100%);
}

.auth-card {
    background: #ffffff;
    border: 1px solid #e7ebf3;
    border-radius: 20px;
    box-shadow: 0 20px 45px rgba(17, 24, 39, 0.08);
    padding: 2.2rem;
}

.auth-logo {
    max-width: 210px;
    width: 100%;
    height: auto;
}

.auth-title {
    color: #0f172a;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: .35rem;
}

.auth-subtitle {
    color: #64748b;
    font-size: .98rem;
}

.user-form .form-control {
    border-radius: 10px;
    border: 1px solid #cfd8e6;
    height: 46px;
    box-shadow: none;
}

.user-form .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.auth-submit {
    background: #1d4ed8;
    color: #ffffff;
    border: 0;
    border-radius: 10px;
    height: 46px;
    font-weight: 600;
    transition: background-color .2s ease;
}

.auth-submit:hover,
.auth-submit:focus {
    background: #1e40af;
    color: #ffffff;
}

.auth-helper,
.form-button p {
    color: #64748b;
}

.auth-helper a,
.form-button a {
    color: #1d4ed8;
    font-weight: 600;
}

@media (max-width: 575.98px) {
    .auth-card {
        padding: 1.5rem;
        border-radius: 16px;
    }

    .auth-title {
        font-size: 1.45rem;
    }
}