.auth-shell {
    min-height: calc(100vh - 180px);
    display: grid;
    place-items: center;
    padding: 2rem 0 4rem;
}

.auth-layout {
    width: min(1120px, calc(100% - 28px));
    padding: 1.1rem;
    display: grid;
    grid-template-columns: minmax(300px, 1fr) minmax(320px, 460px);
    gap: 1rem;
    align-items: stretch;
}

.auth-intro,
.auth-panel {
    border-radius: 28px;
    padding: 1.5rem;
}

.auth-intro {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at top left, rgba(105, 213, 255, 0.16), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-intro h1 {
    margin: 0 0 0.8rem;
    font-size: clamp(2rem, 4vw, 3.3rem);
    line-height: 1.06;
    max-width: 11ch;
}

.auth-intro p,
.auth-panel-head p,
.auth-benefits span,
.auth-switch span {
    color: var(--muted);
    line-height: 1.7;
}

.auth-benefits {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

.auth-benefits div {
    padding: 1rem 1.05rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-benefits strong,
.auth-panel-head h2 {
    display: block;
    margin-bottom: 0.25rem;
}

.auth-panel {
    background: rgba(7, 16, 30, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-panel);
    display: grid;
    gap: 1rem;
    align-content: center;
}

.auth-panel-head h2 {
    margin: 0;
    font-size: 1.8rem;
}

.auth-panel-head p {
    margin: 0.3rem 0 0;
}

.auth-switch {
    margin-top: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    flex-wrap: wrap;
}

.field-label {
    display: inline-block;
    padding-left: 0.3rem;
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    color: #c9d7eb;
}

.admin-auth-intro {
    background:
        radial-gradient(circle at top left, rgba(127, 155, 255, 0.16), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
}

.admin-entry-page .brand-lockup p {
    max-width: 28ch;
}

@media (max-width: 920px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .auth-intro h1 {
        max-width: 100%;
    }
}

@media (max-width: 760px) {
    .auth-layout {
        padding: 0.75rem;
    }

    .auth-intro,
    .auth-panel {
        padding: 1.2rem;
    }

    .auth-switch {
        flex-direction: column;
        align-items: stretch;
    }
}