/* ============================================================
   Workspace Layout — Tab area and panel containers
   ============================================================ */

.workspace-tab-area {
  display: flex;
  align-items: center;
  height: 40px;
  background: var(--c-bg-deep);
  border-bottom: 1px solid var(--c-border);
  padding: 0 12px;
  gap: 2px;
  overflow-x: auto;
  flex-shrink: 0;
  -webkit-overflow-scrolling: touch;
}
.workspace-tab-area::-webkit-scrollbar { height: 0; }

.workspace-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  height: 32px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all 0.15s ease;
  background: transparent;
  border: 1px solid transparent;
}
.workspace-tab:hover {
  color: var(--c-text-primary);
  background: var(--c-bg-hover);
}
.workspace-tab.active {
  color: var(--c-accent);
  background: var(--c-bg-surface);
  border-color: var(--c-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.workspace-tab .ws-tab-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-text-tertiary);
  flex-shrink: 0;
}
.workspace-tab.active .ws-tab-dot { background: var(--c-accent); box-shadow: 0 0 6px var(--c-accent-glow); }
.workspace-tab.chat    .ws-tab-dot { background: var(--c-accent); }
.workspace-tab.cron    .ws-tab-dot { background: var(--c-amber); }
.workspace-tab.email   .ws-tab-dot { background: var(--c-green); }
.workspace-tab.meeting .ws-tab-dot { background: var(--c-purple); }

.workspace-tab .ws-tab-close {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 3px;
  font-size: 12px; line-height: 1;
  margin-left: 2px;
  opacity: 0;
  transition: all 0.1s;
  color: var(--c-text-tertiary);
}
.workspace-tab:hover .ws-tab-close,
.workspace-tab.active .ws-tab-close { opacity: 1; }
.workspace-tab .ws-tab-close:hover { background: rgba(244,63,94,0.15); color: var(--c-rose); }

/* ---- Workspace actions (right side of tab strip) ---- */
.workspace-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  padding-left: 12px;
  flex-shrink: 0;
}
.ws-action-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  font-size: 15px;
  color: var(--c-text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
  background: transparent;
  border: none;
}
.ws-action-btn:hover { color: var(--c-text-primary); background: var(--c-bg-hover); }
.ws-action-btn.active  { color: var(--c-accent); }

/* ---- Panel inner layout ---- */
.panel-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--c-bg-primary);
}
.panel-content.hidden { display: none; }

/* ---- Empty state ---- */
.panel-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--c-text-tertiary);
  gap: 12px;
}
.panel-empty-icon  { font-size: 48px; opacity: 0.3; }
.panel-empty-title { font-size: 16px; font-weight: 600; color: var(--c-text-secondary); }
.panel-empty-desc  { font-size: 13px; max-width: 300px; text-align: center; line-height: 1.5; }