/* App frame: app bar, toolbar, docked workspace, status bar. */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
  background: var(--bg-app);
}

/* -------------------------------------------------------------- app bar */

.appbar {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 30px;
  padding: 0 6px;
  background: var(--bg-panel-alt);
  border-bottom: 1px solid var(--border);
  flex: none;
}

.app-title {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px 0 2px;
  color: var(--text-strong);
  font-weight: 600;
  white-space: nowrap;
}

.app-logo {
  display: inline-flex;
}

.app-icon {
  display: block;
  flex: none;
  user-select: none;
}

.app-menu-btn {
  display: none;
}

.menubar {
  display: flex;
  align-items: center;
  height: 100%;
}

.menubar-item {
  height: 24px;
  padding: 0 8px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  cursor: default;
}

.menubar-item:hover,
.menubar-item.open {
  background: var(--bg-hover);
  color: var(--text-strong);
}

.doc-title {
  margin-left: 12px;
  overflow: hidden;
  color: var(--text-faint);
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.account {
  display: flex;
  align-items: center;
}

.account-signin {
  height: 22px;
}

.account-btn {
  display: inline-flex;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
}

.avatar.placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-raised);
  color: var(--text-dim);
}

/* -------------------------------------------------------------- toolbar */

.toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 8px;
  background: var(--bg-panel-alt);
  border-bottom: 1px solid var(--border);
  flex: none;
  min-width: 0;
}

.toolbar-sep {
  width: 1px;
  height: 20px;
  margin: 0 4px;
  background: var(--divider);
  flex: none;
}

.mode-switch {
  display: flex;
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  overflow: hidden;
  flex: none;
}

.mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

.mode-btn + .mode-btn {
  border-left: 1px solid var(--divider);
}

.mode-btn:hover {
  background: var(--bg-hover);
  color: var(--text-strong);
}

.mode-btn.on {
  background: var(--bg-active);
  color: var(--accent-strong);
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: none;
}

.tool-group .icon-btn {
  width: 28px;
  height: 28px;
}

.workspace-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  overflow: hidden;
}

.workspace-tab {
  height: 26px;
  padding: 0 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  white-space: nowrap;
  cursor: pointer;
}

.workspace-tab:hover {
  color: var(--text-strong);
}

.workspace-tab[aria-selected='true'] {
  padding-right: 4px;
  color: var(--accent-strong);
}

.icon-btn.workspace-menu-btn {
  width: 20px;
  height: 22px;
  margin-right: 6px;
  color: var(--accent-strong);
}

.command-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex: none;
  color: var(--text-faint);
}

.command-search-wrap > svg {
  position: absolute;
  left: 7px;
}

.command-search {
  width: 190px;
  padding-left: 26px;
}

/* ------------------------------------------------------------ workspace */

.workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
  padding: 3px;
  gap: 0;
}

.dock-row,
.dock-col {
  display: flex;
  min-width: 0;
  min-height: 0;
}

.dock-row {
  flex-direction: row;
}

.dock-col {
  flex-direction: column;
}

.dock-split {
  flex: none;
  background: transparent;
  touch-action: none;
}

.dock-row > .dock-split {
  width: 4px;
  cursor: col-resize;
}

.dock-col > .dock-split {
  height: 4px;
  cursor: row-resize;
}

.dock-split:hover,
.dock-split.active,
.dock-split:focus-visible {
  background: var(--accent);
  outline: none;
}

.panel-group {
  display: flex;
  flex-direction: column;
  min-width: 60px;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--bg-panel);
  overflow: hidden;
}

.panel-group.focused {
  border-color: var(--accent);
}

.panel-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  height: var(--tab);
  padding: 0 6px;
  flex: none;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border-soft);
}

.panel-tabs::-webkit-scrollbar {
  display: none;
}

.panel-tab {
  position: relative;
  height: 100%;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.panel-tab:hover {
  color: var(--text-strong);
}

.panel-tab[aria-selected='true'] {
  color: var(--text-strong);
}

.panel-tab[aria-selected='true']::after {
  content: '';
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 3px;
  height: 2px;
  border-radius: 1px;
  background: var(--accent);
}

.panel-menu-btn {
  width: 20px;
  height: 20px;
  margin-right: 6px;
}

.panel-body {
  position: relative;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.panel {
  position: absolute;
  inset: 0;
  overflow: auto;
}

.dock-ghost {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1200;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-text);
  pointer-events: none;
}

.dock-drop {
  position: fixed;
  z-index: 1100;
  display: none;
  border: 2px solid var(--accent);
  background: var(--accent-soft);
  pointer-events: none;
}

/* ----------------------------------------------------------- status bar */

.statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 22px;
  padding: 0 10px calc(env(safe-area-inset-bottom) * 0) 10px;
  background: var(--bg-panel-alt);
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: var(--fs-sm);
  flex: none;
  white-space: nowrap;
  overflow: hidden;
}

.status-info {
  display: flex;
  gap: 0;
}

.status-cell {
  padding: 0 10px;
  border-left: 1px solid var(--divider);
}

.drop-hint {
  position: fixed;
  inset: 0;
  z-index: 950;
  display: none;
  place-items: center;
  background: var(--overlay);
  pointer-events: none;
}

.drop-hint.on {
  display: grid;
}

.drop-hint-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 40px;
  border: 2px dashed var(--accent);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  color: var(--text-strong);
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 1280px) {
  .workspace-tabs {
    display: none;
  }
}

[data-layout='tablet'] .command-search {
  width: 140px;
}

[data-layout='tablet'] .menubar-item {
  padding: 0 6px;
}

[data-layout='phone'] .menubar,
[data-layout='phone'] .doc-title,
[data-layout='phone'] .workspace-tabs,
[data-layout='phone'] .command-search-wrap,
[data-layout='phone'] .toolbar-sep {
  display: none;
}

[data-layout='phone'] .app-menu-btn {
  display: inline-flex;
}

[data-layout='phone'] .appbar {
  height: 40px;
}

[data-layout='phone'] .toolbar {
  height: auto;
  min-height: 40px;
  overflow-x: auto;
  scrollbar-width: none;
}

[data-layout='phone'] .mode-btn span {
  display: none;
}

[data-layout='phone'] .workspace {
  padding: 2px;
}

[data-layout='phone'] .statusbar {
  display: none;
}

[data-layout='tablet'] .menubar-item,
[data-layout='phone'] .menubar-item {
  font-size: var(--fs-md);
}

/* Overflow chevron at the end of a clipped tab strip. */
/* Sticks over the strip's right padding too, so no tab text shows beside it. */
.panel-tabs-more {
  position: sticky;
  right: -6px;
  flex: none;
  width: 28px;
  height: 100%;
  margin-left: auto;
  margin-right: -6px;
  padding-right: 6px;
  border-radius: 0;
  border-left: 1px solid var(--border-soft);
  background: var(--bg-panel);
}

.panel-tabs-more[hidden] {
  display: none;
}

/* Edit Workspaces dialog */
.ws-edit {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(440px, 82vw);
}
.ws-main {
  display: flex;
  gap: 6px;
  min-height: 0;
}
.ws-side {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ws-list {
  flex: 1;
  min-width: 0;
  max-height: 52vh;
  overflow: auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg-input);
  outline: none;
}
.ws-list:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -2px;
}
.ws-group {
  display: flex;
  gap: 4px;
  padding: 6px 10px 4px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-weight: 600;
}
.ws-empty {
  padding: 6px 10px 6px 34px;
  border-bottom: 1px solid var(--border-soft);
  font-size: var(--fs-sm);
}
.ws-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 14px;
  border-bottom: 1px solid var(--border-soft);
  cursor: grab;
}
.ws-row > svg {
  flex: none;
  color: var(--text-faint);
}
.ws-row[aria-selected='true'] {
  background: var(--accent-soft);
  color: var(--text-strong);
}
.ws-row.dragging {
  opacity: 0.5;
}
.ws-name {
  flex: 1;
  min-width: 0;
}
.ws-note {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}