/* App-specific CSS: tabs, modal, toast, command palette, notification panel,
   workspace switcher, profile menu, search overlay. Extends components.css. */

/* ---- Tabs ---- */
.ac-tabs { margin-bottom: var(--space-4); }
.ac-tab-bar { display: flex; border-bottom: 1px solid var(--color-border); }
.ac-tab {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-fg-muted);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  margin-bottom: -1px;
  transition: background-color var(--motion-fast), color var(--motion-fast);
}
.ac-tab:hover { color: var(--color-fg); background: var(--color-bg-subtle); }
.ac-tab.active {
  color: var(--color-accent);
  background: var(--color-bg);
  border-color: var(--color-border);
  border-bottom-color: var(--color-bg);
}
.ac-tab:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* ---- Modal / dialog ---- */
.ac-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 60;
}
.ac-modal {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

/* ---- Dropdown ---- */
.ac-dropdown {
  position: absolute;
  z-index: 56;
}

/* ---- Notification badge ---- */
.ac-notification-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-status-error);
  color: var(--color-accent-fg);
  font-size: 9px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ---- Notification panel ---- */
.ac-notification {
  transition: background-color var(--motion-fast);
}
.ac-notification-unread { background: var(--color-bg-subtle); }

/* ---- Palette / search items ---- */
.ac-palette-item:hover,
.ac-palette-item:focus {
  background: var(--color-bg-subtle);
  color: var(--color-fg);
  text-decoration: none;
  outline: none;
}
.ac-palette-item:focus-visible { outline: 3px solid var(--color-focus); outline-offset: -3px; }

/* ---- Toast / snack (top-right) ---- */
.ac-toast-container {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 360px;
  width: 100%;
  pointer-events: none;
}
.ac-toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  line-height: 1.4;
  pointer-events: auto;
  animation: ac-toast-in 0.2s var(--motion-ease) forwards;
}
@keyframes ac-toast-in {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}
.ac-toast-success { border-left: 3px solid var(--color-status-success); }
.ac-toast-warning { border-left: 3px solid var(--color-status-warning); }
.ac-toast-error { border-left: 3px solid var(--color-status-error); }
.ac-toast-info { border-left: 3px solid var(--color-status-info); }
.ac-toast-icon { flex-shrink: 0; margin-top: 2px; }
.ac-toast-body { flex: 1; min-width: 0; }
.ac-toast-action { margin-left: auto; }

/* ---- Workspace switcher dropdown (inline state; real dropdown in JS) ---- */
.ac-workspace-switcher { position: relative; }
.ac-workspace-menu {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  width: 200px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 56;
  overflow: hidden;
}
.ac-workspace-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-fg);
  cursor: pointer;
  text-align: left;
}
.ac-workspace-menu-item:hover { background: var(--color-bg-subtle); }
.ac-workspace-menu-item.active { color: var(--color-accent); }
.ac-workspace-menu-item-foot {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-fg-muted);
  text-align: center;
}

/* ---- Profile menu ---- */
.ac-profile-menu {
  position: absolute;
  top: calc(100% + var(--space-1));
  right: 0;
  width: 220px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 56;
  overflow: hidden;
}
.ac-profile-menu-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.ac-profile-menu-body { padding: var(--space-1); }
.ac-profile-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  font: inherit;
  font-size: var(--text-sm);
  color: var(--color-fg);
  cursor: pointer;
  text-align: left;
  border-radius: var(--radius-sm);
}
.ac-profile-menu-item:hover { background: var(--color-bg-subtle); color: var(--color-fg); }
.ac-profile-menu-item.danger { color: var(--color-status-error); }
.ac-profile-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-1) 0;
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .ac-topbar-link { display: none; }
  .ac-topbar-nav:last-child { margin-left: auto; }
}