.stb-account-setup-wrapper {
    max-width: 960px;
    margin: 40px auto;
    padding: 24px 24px 32px;
    background: #0b1020;
    border-radius: 16px;
    border: 1px solid #262d40;
    color: #f5f7ff;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.stb-account-setup-header h2 {
    margin: 0 0 8px;
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
}

.stb-account-setup-subtitle {
    margin: 0 0 20px;
    font-size: 14px;
    color: #9fa8c6;
}

.stb-account-setup-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
}

@media (min-width: 900px) {
    .stb-account-setup-grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }
}

.stb-card {
    padding: 16px 18px 18px;
    border-radius: 12px;
    background: #101628;
    border: 1px solid #242c40;
}

.stb-card h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
}

.stb-card p {
    margin: 0 0 8px;
    font-size: 14px;
    color: #dde1ff;
}

.stb-muted {
    font-size: 12px;
    color: #9fa8c6;
}

.stb-list {
    margin: 4px 0 8px 18px;
    padding: 0;
    font-size: 14px;
}

.stb-list li {
    margin-bottom: 4px;
}