:root {
    --auth-primary: #1A6291;
    --auth-bg-start: #b6d7ee;
    --auth-bg-end: #4f98c8;
}

.auth-page-bg {
    background: #f3f4f6;
    min-height: 100vh;
}

.auth-shell {
    max-width: 1360px;
    margin: 0 auto;
}

.auth-stage {
    background: linear-gradient(135deg, var(--auth-bg-start) 0%, var(--auth-bg-end) 100%);
    border-radius: 0;
    min-height: 74vh;
    padding: 2rem 6.5rem;
}

.auth-brand-panel {
    color: #0f172a;
    max-width: 420px;
    text-align: left;
    padding-left: 0;
    margin-left: 0;
    margin-top: -10rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.auth-brand-logo {
    width: 300px;
    max-width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    object-position: left center;
    margin-left: -35px;
    margin-bottom: -2rem;
}

.auth-brand-title {
    font-size: 2.25rem;
    font-weight: 700;
}

.auth-brand-tagline {
    font-size: 2rem;
    font-weight: 500;
}

.auth-brand-desc {
    font-size: 0.95rem;
    color: #1f2937;
}

.auth-card {
    width: 100%;
    background: #fff;
    border-radius: 24px;
    box-shadow: 0 10px 28px rgba(20, 44, 67, 0.16);
    padding: 1.3rem 1.35rem;
}

.auth-card-sm {
    max-width: 360px;
}

.auth-card-lg {
    max-width: 560px;
}

.auth-welcome {
    font-size: 0.78rem;
    margin-bottom: 0.5rem;
    color: #334155;
}

.auth-title {
    font-size: 2.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #111827;
}

.auth-label {
    font-size: 0.82rem;
    color: #1f2937;
}

.auth-input {
    border-radius: 8px;
    border: 1px solid #9fc1db;
    min-height: 42px;
}

.auth-input:focus {
    border-color: var(--auth-primary);
    box-shadow: 0 0 0 .15rem rgba(26, 98, 145, 0.16);
}

.auth-btn-primary {
    background: var(--auth-primary);
    color: #fff;
    border: 0;
    border-radius: 8px;
    min-height: 42px;
    font-weight: 600;
}

.auth-btn-primary:hover {
    background: #144f76;
    color: #fff;
}

.auth-helper-row,
.auth-helper-row a {
    color: var(--auth-primary);
    font-size: 0.8rem;
    text-decoration: none;
}

.auth-helper-row a:hover {
    text-decoration: underline;
}

@media (max-width: 991.98px) {
    .auth-stage {
        min-height: auto;
        padding: 1.5rem;
    }

    .auth-brand-panel {
        margin-top: 0;
    }

    .auth-brand-logo {
        width: 120px;
        height: 120px;
    }

    .auth-brand-title {
        font-size: 1.8rem;
    }

    .auth-brand-tagline {
        font-size: 1.4rem;
    }

    .auth-card-sm,
    .auth-card-lg {
        max-width: 100%;
    }
}