/* Title bar */
.titlebar-spacer {
    display: none !important;
}

/* Tab bar */
#navigator-toolbox {
    border: 0px !important;
}
#TabsToolbar {
    margin-left: 3px !important;
}
#TabsToolbar > .tabbrowser-arrowscrollbox {
    overflow: visible !important;
}

/* Nav bar */
#nav-bar {
    height: 0px;
    min-height: 0px !important;
    overflow: hidden;
    transition: height 0.3s ease-in-out;
}

/* Only show nav-bar when specifically focused, not when clicking tab bar */
#nav-bar:focus-within {
    overflow: visible;
    height: auto;
}

/* Remove placeholder text in the URL bar */
#urlbar-input::placeholder {
    color: transparent !important;
}
#urlbar {
    padding: 2px !important;
}

/* Hide URL bar text */
#urlbar-background {
    border: none !important;
}

#urlbar-border:focus-within {
    overflow: visible;
    height: auto;
}

/* Hide search engine icon */
#urlbar .search-one-offs:not([hidden]) {
    display: none !important;
}

/* Hide tracking protection icon */
#tracking-protection-icon-container {
    display: none !important;
}
#urlbar-container {
    width: auto !important;
}
#urlbar {
    box-shadow: none !important;
}
#page-action-buttons {
    display: none !important;
}

/* Hide site information button */
#identity-box {
    display: none !important;
}

/* Hide shield icon */
#tracking-protection-icon-container {
    display: none !important;
}

/* Hide forward and back buttons when not active */
#back-button[disabled="true"] {
    display: none !important;
}
#forward-button[disabled="true"] {
    display: none !important;
}
.personalize-button { 
    display: none !important; 
}

.tab-close-button {
    visibility: hidden !important;
    margin-inline-end: 0 !important;
    width: 16px !important;
    height: 16px !important;
    padding: 2px !important;
}
.tabbrowser-tab:hover .tab-close-button {
    visibility: visible !important;
}