:root {
    --app-header-height: 7.2rem;
}

.main-header {
    min-height: var(--app-header-height, 7.2rem);
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-dim);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky-header);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.main-header.has-banner,
.main-header.has-banner ~ * {
    --app-header-height: 9.7rem;
    justify-content: flex-start;
}

.header-container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    gap: 1rem;
}

.header-left {
    flex: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.header-center {
    flex: 0 0 auto;
    text-align: center;
}

.header-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 1rem;
}

.user-stack {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 100%;
}

.user-display-name {
    position: absolute;
    bottom: 100%;
    right: 0;
    font-size: 0.85rem;
    white-space: nowrap;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.logo-desktop {
    max-height: 5rem;
    width: auto;
    display: block;
}

.logo-mobile {
    display: none;
}

.highlight {
    font-weight: 700;
    color: var(--primary-dark);
}

.page-container {
    width: 95%;
    max-width: 1600px;
    margin: 1.5rem auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.5rem;
    width: 100%;
    align-items: stretch;
    padding-top: 1rem;
}

.dashboard-metric-link {
    text-decoration: none;
    color: inherit;
    display: block;
    border-radius: 6px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.dashboard-metric-link:hover {
    background-color: rgba(0, 0, 0, 0.04);
    transform: translateX(4px);
}

.main-footer {
    width: 100%;
    text-align: center;
    padding: 0.5rem;
    margin-top: auto;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-dim);
}

.dev-impersonate-wrapper,
.dev-exit-form,
.dev-logout-form {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 0;
}

/* Remove right margin from the last item (Log out) */
.dev-logout-form {
    margin-right: 0;
}

.dev-impersonate-form {
    margin: 0;
}

.dev-impersonate-select {
    width: auto;
    display: inline-block;
    padding: 2px 5px;
}

@media (max-width: 600px) {
    :root {
        --app-header-height: 5rem;
    }

    .main-header {
        min-height: var(--app-header-height);
        padding: 0;
    }

    .main-header.has-banner,
    .main-header.has-banner ~ * {
        --app-header-height: 7.5rem;
    }

    .logo-desktop {
        display: none;
    }

    .logo-mobile {
        display: block;
        max-height: 3.5rem;
        width: auto;
    }

    .user-display-name {
        font-size: 0.7rem;
        max-width: 8rem;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .header-container {
        padding: 0.5rem 0.75rem;
    }

    .page-container {
        width: 90%;
    }

    .page-container.container-wide {
        width: 99%;
    }

    .action-grid {
        grid-template-columns: 1fr;
    }
}