.platform-shell {
    min-width: 0;
    min-height: 100vh;
    background: var(--color-app-bg);
}

.platform-shell__header {
    position: sticky;
    z-index: 30;
    top: 0;
    display: flex;
    min-width: 0;
    height: 60px;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 20px;
    border-bottom: 1px solid var(--color-sidebar-border);
    background: var(--color-sidebar);
    color: var(--color-text-inverse);
}

.platform-shell__brand {
    overflow: hidden;
    color: var(--color-text-inverse);
    font-size: var(--font-lg);
    font-weight: 600;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.platform-shell__account {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 12px;
}

.platform-shell__account > span {
    overflow: hidden;
    color: var(--color-text-tertiary);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.platform-shell__account form {
    margin: 0;
}

.platform-shell__content {
    width: 100%;
    max-width: 1440px;
    min-width: 0;
    margin: 0 auto;
}

[data-portal-area="platform"] .page-navigation-loader {
    left: 0;
}

@media (max-width: 767px) {
    .platform-shell__header {
        gap: 10px;
    }

    .platform-shell__account > span {
        display: none;
    }
}