.auth-guide-shell {
    padding: 24px 18px;
    background:
        radial-gradient(circle at top left, rgba(15, 23, 42, 0.06), transparent 24%),
        radial-gradient(circle at top right, rgba(15, 23, 42, 0.04), transparent 28%),
        linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.dark-version .auth-guide-shell {
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 24%),
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.05), transparent 28%),
        linear-gradient(180deg, #0b1220 0%, #10192a 100%);
}

.auth-guide {
    width: min(1180px, calc(100% - 24px));
    margin: 0 auto;
    display: grid;
    gap: 16px;
}

.auth-guide__hero,
.auth-guide__section {
    border-radius: 24px;
    border: 1px solid rgba(2, 6, 23, 0.08);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 42px rgba(15, 23, 42, 0.08);
}

.dark-version .auth-guide__hero,
.dark-version .auth-guide__section {
    border-color: rgba(148, 163, 184, 0.16);
    background: rgba(15, 23, 42, 0.86);
    box-shadow: 0 24px 58px rgba(0, 0, 0, 0.35);
}

.auth-guide__hero {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.75fr);
    gap: 16px;
    padding: 24px;
}

.auth-guide__eyebrow {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: #0f172a;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dark-version .auth-guide__eyebrow {
    background: rgba(255, 255, 255, 0.08);
    color: #e2e8f0;
}

.auth-guide__title {
    margin: 14px 0 10px;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.06;
    font-weight: 760;
    letter-spacing: -0.04em;
    color: #0f172a;
}

.dark-version .auth-guide__title,
.dark-version .auth-guide__section-title,
.dark-version .auth-guide__card h3,
.dark-version .auth-guide__timeline-card h3,
.dark-version .auth-guide__module h3,
.dark-version .auth-guide__callout strong {
    color: #f8fafc;
}

.auth-guide__subtitle,
.auth-guide__card p,
.auth-guide__timeline-card p,
.auth-guide__module p,
.auth-guide__callout span {
    margin: 0;
    color: #64748b;
    font-size: 0.92rem;
    line-height: 1.65;
}

.dark-version .auth-guide__subtitle,
.dark-version .auth-guide__card p,
.dark-version .auth-guide__timeline-card p,
.dark-version .auth-guide__module p,
.dark-version .auth-guide__callout span {
    color: #94a3b8;
}

.auth-guide__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.auth-guide__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    border: 1px solid transparent;
    transition: 0.15s ease;
}

.auth-guide__btn--primary {
    color: #fff;
    background: #0f172a;
}

.auth-guide__btn--ghost {
    color: #0f172a;
    background: rgba(15, 23, 42, 0.04);
    border-color: rgba(15, 23, 42, 0.08);
}

.auth-guide__btn:hover {
    transform: translateY(-1px);
}

.auth-guide__btn--primary:hover {
    box-shadow: 0 12px 26px rgba(15, 23, 42, 0.18);
}

.dark-version .auth-guide__btn--primary {
    background: #0f172a;
}

.dark-version .auth-guide__btn--ghost {
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 163, 184, 0.16);
}

.auth-guide__hero-side {
    display: grid;
    gap: 12px;
    align-content: start;
}

.auth-guide__callout {
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(15, 23, 42, 0.025);
}

.auth-guide__callout--soft {
    background: rgba(15, 23, 42, 0.04);
}

.dark-version .auth-guide__callout {
    border-color: rgba(148, 163, 184, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.dark-version .auth-guide__callout--soft {
    background: rgba(148, 163, 184, 0.08);
}

.auth-guide__callout small,
.auth-guide__card small {
    color: #64748b;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.dark-version .auth-guide__callout small,
.dark-version .auth-guide__card small {
    color: #94a3b8;
}

.auth-guide__callout strong {
    font-size: 1.18rem;
    line-height: 1.2;
    color: #0f172a;
}

.auth-guide__section {
    padding: 20px;
}

.auth-guide__section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 14px;
    margin-bottom: 16px;
}

.auth-guide__section-title {
    margin: 8px 0 0;
    font-size: 1.45rem;
    line-height: 1.1;
    font-weight: 760;
    color: #0f172a;
}

.auth-guide__pill {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    color: #475569;
    font-size: 0.76rem;
    font-weight: 700;
}

.dark-version .auth-guide__pill {
    background: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
}

.auth-guide__credentials,
.auth-guide__modules {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.auth-guide__card,
.auth-guide__module {
    display: grid;
    gap: 10px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.88);
}

.dark-version .auth-guide__card,
.dark-version .auth-guide__module {
    border-color: rgba(148, 163, 184, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.auth-guide__card h3,
.auth-guide__module h3,
.auth-guide__timeline-card h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.3;
    color: #0f172a;
    font-weight: 750;
}

.auth-guide__credential-row,
.auth-guide__meta {
    display: grid;
    gap: 4px;
}

.auth-guide__credential-row span,
.auth-guide__meta span {
    color: #64748b;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.auth-guide__credential-row strong,
.auth-guide__meta strong {
    color: #0f172a;
    font-size: 0.9rem;
    line-height: 1.45;
    word-break: break-word;
}

.dark-version .auth-guide__credential-row span,
.dark-version .auth-guide__meta span {
    color: #94a3b8;
}

.dark-version .auth-guide__credential-row strong,
.dark-version .auth-guide__meta strong {
    color: #e2e8f0;
}

.auth-guide__timeline {
    display: grid;
    gap: 12px;
}

.auth-guide__timeline-card {
    display: grid;
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 14px;
    padding: 18px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.88);
}

.dark-version .auth-guide__timeline-card {
    border-color: rgba(148, 163, 184, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.auth-guide__step {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: #0f172a;
    color: #fff;
    font-size: 1.05rem;
    font-weight: 700;
}

.auth-guide__timeline-body {
    display: grid;
    gap: 10px;
}

@media (max-width: 1200px) {
    .auth-guide__hero {
        grid-template-columns: 1fr;
    }

    .auth-guide__credentials,
    .auth-guide__modules {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .auth-guide-shell {
        padding: 18px 12px;
    }

    .auth-guide {
        width: 100%;
    }

    .auth-guide__section,
    .auth-guide__hero {
        padding: 18px;
        border-radius: 22px;
    }

    .auth-guide__section-head {
        align-items: start;
        flex-direction: column;
    }

    .auth-guide__credentials,
    .auth-guide__modules {
        grid-template-columns: 1fr;
    }

    .auth-guide__timeline-card {
        grid-template-columns: 1fr;
    }

    .auth-guide__step {
        width: 48px;
        height: 48px;
        border-radius: 14px;
    }
}