.header-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 15;
    height: var(--header-height);
    background-color: var(--bg-layer-0);
    border-bottom: 1px solid var(--border-color);
    border-radius: 0;
    box-shadow: none;
}

.header-panel .panel-header {
    height: 100%;
    padding: 0 var(--space-4);
    background: transparent;
    border-radius: 0;
    border-bottom: none;
    display: grid;
    grid-template-columns: 1fr 1fr auto; /* title | nav | actions (right) */
    align-items: center;
}

.header-panel .panel-title {
    grid-column: 1;
    justify-self: start;
}

#header-nav-container {
    grid-column: 2;
    display: none;
    gap: var(--space-2);
    align-items: center;
    justify-self: end; /* push nav buttons to the right */
}

.header-panel .panel-actions {
    grid-column: 3;
    justify-self: end;
}