.conversation-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.conversation-list__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-accent-lavender);
  border-bottom: 1px solid var(--color-border);
}

.conversation-list__header h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.conversation-list__items {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.conversation-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 2px;
}

.conversation-item:hover {
  background: var(--color-bg-hover);
}

.conversation-item--active {
  background: var(--color-primary);
  color: #fff;
}

.conversation-item--active:hover {
  background: var(--color-primary);
}

.conversation-item--active .conversation-item__name {
  color: #fff;
}

.conversation-item__name {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text);
}

.conversation-item__actions {
  display: none;
  gap: 2px;
}

.conversation-item:hover .conversation-item__actions {
  display: flex;
}

.conversation-item--active .btn--ghost {
  color: rgba(255, 255, 255, 0.85);
}

.conversation-item--active .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.conversation-item__rename-input {
  flex: 1;
  padding: 4px 8px;
  font-size: 13px;
}

.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-toolbar {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  background: var(--color-bg-elevated);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--color-bg);
}

.chat-input-area {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
}

.chat-input {
  flex: 1;
  resize: none;
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  line-height: 1.5;
  max-height: 120px;
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  font-size: 16px;
}

.message {
  display: flex;
  gap: 12px;
  animation: messageIn 0.3s ease;
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.message--user .message__avatar {
  background: var(--color-primary);
  color: #fff;
}

.message--assistant .message__avatar {
  background: var(--color-accent-lavender-deep);
  color: var(--color-primary);
}

.message--error .message__avatar {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.message__content {
  flex: 1;
  min-width: 0;
}

.message__text {
  font-size: 14px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text);
}

.message--user .message__text {
  background: var(--color-bg-elevated);
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.message--assistant .message__text {
  background: var(--color-accent-lavender);
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 58, 237, 0.08);
}

.message__time {
  font-size: 11px;
  color: var(--color-text-dim);
  margin-top: 6px;
}

.message--error .message__text {
  color: var(--color-error);
}

.typing-indicator span {
  background: var(--color-primary-light);
}

@media (max-width: 860px) {
  .conversation-list__header {
    padding: 10px 12px;
  }

  .conversation-list__items {
    padding: 6px;
  }

  .conversation-item {
    padding: 10px 12px;
    margin-bottom: 4px;
  }

  .conversation-item__actions {
    display: flex;
  }

  .chat-messages {
    padding: 14px 12px;
    gap: 12px;
  }

  .message {
    gap: 10px;
  }

  .message__avatar {
    width: 28px;
    height: 28px;
    font-size: 10px;
  }

  .message--user .message__text,
  .message--assistant .message__text {
    padding: 10px 12px;
    border-radius: var(--radius-md);
  }

  .chat-input-area {
    gap: 8px;
    padding: 10px 12px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0));
  }

  .btn--send {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .chat-toolbar {
    padding: 6px 8px;
    gap: 6px;
  }

  .chat-toolbar .btn {
    min-height: 34px;
    padding: 6px 10px;
  }

  .message__text {
    font-size: 13px;
    line-height: 1.55;
  }
}