/* ============================================================
   toolbar.css — Top toolbar: buttons, separators, export buttons.
   ============================================================ */

#app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: 38px minmax(0, 1fr) 27px;
  width: 100%;
  max-width: 100vw;
  min-width: 0;
  height: 100vh;
  overflow: hidden;
}

/* ---------- Toolbar ---------- */

#toolbar {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 2px;
  padding: 0 8px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  user-select: none;
}

.tb-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 27px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius);
  color: var(--text-muted);
  font: 600 0.875rem/1 var(--font-ui);
  cursor: pointer;
  flex: none;
}

.tb-btn:hover {
  background: var(--bg-raised);
  color: var(--text);
}

.tb-btn:active {
  background: var(--accent-dim);
  color: var(--accent);
}

.tb-btn svg {
  width: 16px;
  height: 16px;
}

.tb-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 5px;
  flex: none;
}

.tb-spacer {
  flex: 1;
}

.tb-export {
  width: auto;
  padding: 0 10px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  margin-left: 4px;
}

.tb-export:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Workspace tool switcher */
.app-switcher {
  position: relative;
  width: 30px;
  height: 27px;
  flex: none;
}

.app-switcher summary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 27px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font: 600 1rem/1 var(--font-ui);
  cursor: pointer;
  list-style: none;
}

.app-switcher summary::-webkit-details-marker {
  display: none;
}

.app-switcher summary:hover,
.app-switcher[open] summary {
  background: var(--bg-raised);
  color: var(--text);
}

.app-switcher-menu {
  position: fixed;
  top: 42px;
  left: 40px;
  z-index: 160;
  width: 224px;
  max-height: calc(100svh - 56px);
  overflow-y: auto;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.5);
}

.app-switcher-title {
  display: block;
  padding: 7px 9px 8px;
  color: var(--text-faint);
  font: 600 0.68rem/1 var(--font-ui);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.app-switcher-group { display:block; padding:10px 9px 4px; color:var(--text-faint); font:700 .58rem/1 var(--font-mono); letter-spacing:.11em; text-transform:uppercase; }

.app-switcher-menu a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 7px 9px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.app-switcher-menu a:hover,
.app-switcher-menu a:focus-visible {
  background: var(--bg-raised);
  color: var(--text);
  outline: none;
}

.app-switcher-menu a[aria-current="page"] {
  background: var(--accent-dim);
  color: var(--text);
}

.app-switcher-menu a[aria-current="page"]::after {
  content: "Current";
  color: var(--success);
  font: 600 0.64rem/1 var(--font-ui);
}

.app-switcher-menu small {
  grid-column: 1;
  color: var(--text-faint);
  font-size: 0.68rem;
}

.tool-mini-icon { display:inline-grid; place-items:center; width:24px; height:24px; margin-right:8px; border:1px solid var(--border); border-radius:5px; color:var(--accent); font:700 .58rem/1 var(--font-mono); }

/* More button dropdown */
#more-btn {
  display: none;
}

.toolbar-dropdown {
  display: none !important;
  position: fixed !important;
  top: 38px;
  right: 8px;
  left: 8px;
  z-index: 100;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  padding: 8px;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 70vh;
  overflow-y: auto;
}

.toolbar-dropdown.open {
  display: flex !important;
  flex-direction: row;
}

/* Collapse secondary editor tools before they can widen the page. */
@media (max-width: 1705px) {
  .editor-page #more-btn {
    display: flex;
  }
  
  /* Hide buttons that will appear in dropdown - target only direct children of #toolbar */
  .editor-page #toolbar > .tb-btn[data-action="code"],
  .editor-page #toolbar > .tb-btn[data-action="codeblock"],
  .editor-page #toolbar > .tb-btn[data-action="link"],
  .editor-page #toolbar > .tb-btn[data-action="image"],
  .editor-page #toolbar > .tb-btn[data-action="ul"],
  .editor-page #toolbar > .tb-btn[data-action="ol"],
  .editor-page #toolbar > .tb-btn[data-action="quote"],
  .editor-page #toolbar > .tb-btn[data-action="table"],
  .editor-page #toolbar > .tb-btn[data-action="hr"],
  .editor-page #toolbar > #find-btn,
  .editor-page #toolbar > #toc-btn,
  .editor-page #toolbar > #gutter-btn,
  .editor-page #toolbar > #focus-btn,
  .editor-page #toolbar > #typewriter-btn,
  .editor-page #toolbar > #sync-scroll-btn,
  .editor-page #toolbar > #present-btn,
  .editor-page #toolbar > #history-btn,
  .editor-page #toolbar > #lock-btn,
  .editor-page #toolbar > #toggle-editor,
  .editor-page #toolbar > #toggle-preview,
  .editor-page #toolbar > #backup-btn,
  .editor-page #toolbar > #import-btn,
  .editor-page #toolbar > .tb-export,
  .editor-page #toolbar > .tb-sep {
    display: none;
  }
}

@media (max-width: 540px) {
  .editor-page #toolbar > .tb-btn[data-action="h2"],
  .editor-page #toolbar > .tb-btn[data-action="h3"],
  .editor-page #toolbar > .tb-btn[data-action="strike"],
  .editor-page #toolbar > #font-scope {
    display: none;
  }
}

/* ---------- Workspace (sidebar + split pane) ---------- */

#workspace {
  position: relative;
  display: flex;
  width: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}