/* Sidebar styling */
.sidebar.is-collapsed .new-chat-btn,
.sidebar.is-collapsed #dialogue-list,
.sidebar.is-collapsed .sidebar-footer>*:not(#profile-btn) {
  display: none;
}

/* Sidebar edge toggle button */
.sidebar-edge-toggle {
  position: absolute;
  top: 109px;
  right: -19px;
  width: 24px;
  height: 24px;
  padding: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 30;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
  color: var(--text-secondary);
}

.sidebar-edge-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  transform: scale(1.1);
}

.sidebar-edge-toggle svg {
  transition: transform 0.2s ease;
}

/* Rotate arrow when sidebar is expanded */
.sidebar:not(.is-collapsed) .sidebar-edge-toggle svg {
  transform: rotate(180deg);
}

/* Hide edge toggle for anonymous users */
.sidebar.is-anonymous .sidebar-edge-toggle {
  display: none;
}

.new-chat-btn {
  width: 100%;
  justify-content: center;
  margin-bottom: var(--space-sm);
}

.logo-toggle {
  position: relative;
  width: max-content;
  margin-bottom: var(--space-xl);
}

.app-logo {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: cover;
  padding: 9px;
  box-sizing: content-box;
  cursor: pointer;
}

/* Header compose icon should not have sidebar styles */
.chat-header .btn.icon.compose-icon {
  margin-bottom: 0;
}

/* Fix tooltip positioning for header compose icon to avoid sidebar overlap */
.chat-header .btn.icon.compose-icon[data-tooltip]::after {
  left: 50%;
  transform: translateX(-50%);
  margin-top: 8px;
  z-index: 1001;
}

/* Mobile header burger (hidden by default, shown via responsive.css) */
.btn.icon.sidebar-toggle {
  display: none;
}

/* Sidebar close (X) hidden by default */
.btn.icon.sidebar-close {
  display: none;
}

/* Desktop - hide mobile controls */
@media (min-width: 901px) {
  .btn.icon.sidebar-close {
    display: none;
  }

  .btn.icon.sidebar-toggle {
    display: none;
  }

  /* Show edge toggle on desktop */
  .sidebar-edge-toggle {
    display: flex;
  }
}

/* On mobile, hide edge toggle; burger is in the chat header */
@media (max-width: 900px) {
  .sidebar-edge-toggle {
    display: none;
  }

  .app-logo {
    display: block;
  }

  /* Show the sidebar close button when the sidebar is open */
  .sidebar.open .sidebar-close {
    display: inline-flex;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 31;
  }
}

#dialogue-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.dialogue-item {
  display: flex;
  align-items: center;
  padding: var(--space-md);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color 0.2s ease;
  position: relative;
  background: transparent;
  border: 1px solid transparent;
}

.dialogue-item:hover {
  background: var(--bg-tertiary);
}

.dialogue-item.active {
  background: var(--bg-primary);
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.dialogue-item .title {
  flex: 1;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}

/* Streaming badge for live conversations */
.dialogue-item {
  gap: var(--space-sm);
}

.dialogue-item.streaming .streaming-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}

.dialogue-item .trash {
  opacity: 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: opacity 0.2s ease, color 0.2s ease;
  font-size: 14px;
}

.dialogue-item:hover .trash {
  opacity: 1;
}

.dialogue-item .trash:hover {
  color: var(--error-color);
  background: rgba(220, 38, 38, 0.1);
}