/* Browser toolbar: back, forward, reload and the address field. It only shows
   while a page is open, and it spans the workspace to the right of the sidebar. */

#toolbar {
    display: none;
    position: fixed;
    top: 0;
    left: var(--sb-w, 0px);
    right: 0;
    height: 46px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--line);
    align-items: center;
    gap: 2px;
    padding: 0 10px;
    z-index: 50;
}

#toolbar.visible { display: flex; }

.tb-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    color: var(--fg-3);
    background: transparent;
    transition: background 0.15s var(--ease), color 0.15s var(--ease);
    flex-shrink: 0;
}
.tb-btn svg { stroke-width: 1.6; }
.tb-btn:hover { background: rgba(255, 255, 255, 0.06); color: var(--fg); }
.tb-btn:active { background: rgba(255, 255, 255, 0.1); }
.tb-btn:focus-visible { outline: 2px solid rgba(168, 152, 232, 0.6); outline-offset: -2px; }
.tb-btn:disabled { opacity: 0.3; cursor: default; }
.tb-btn:disabled:hover { background: transparent; color: var(--fg-3); }

#navBar {
    flex: 1;
    height: 32px;
    margin: 0 6px;
    background: var(--surface);
    border-radius: 0;
    border: 1px solid var(--line-2);
    padding: 0 12px;
    color: var(--fg);
    font-size: 13px;
    font-weight: 400;
    line-height: 30px;
    outline: none;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    cursor: text;
    user-select: text;
    -webkit-user-select: text;
    font-family: inherit;
    transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
}
#navBar:hover { border-color: var(--line-3); }
#navBar:focus {
    border-color: rgba(255, 255, 255, 0.32);
    background: #0f0e14;
    overflow: auto;
    text-overflow: clip;
}
#navBar:empty::before {
    content: attr(data-placeholder);
    color: var(--fg-3);
    pointer-events: none;
}

@media (max-width: 720px) {
    #toolbar { height: 50px; padding: 0 8px 0 54px; }
    .tb-btn { width: 36px; height: 36px; }
    .tb-btn svg { width: 16px; height: 16px; }
    #navBar { height: 36px; line-height: 34px; font-size: 14px; }
}