/* Conversation list and new chat affordance. */
.conversation-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
  flex: 0 1 122px;
  min-height: 96px;
  overflow: hidden;
}

.conversation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.conversation-head h2 {
  flex: 1 1 auto;
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.new-chat-button {
  padding: 6px 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: 0;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.new-chat-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.conversation-list {
  display: grid;
  gap: 7px;
  min-height: 0;
  max-height: clamp(72px, 18vh, 220px);
  overflow-y: auto;
  padding-right: 2px;
}

.conversation-item {
  display: grid;
  gap: 3px;
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  text-align: left;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.conversation-item:hover,
.conversation-item.active {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.conversation-item strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.conversation-item span {
  color: var(--color-text-muted);
  font-size: 11px;
}

.conversation-empty {
  padding: 9px 11px;
  color: var(--color-text-muted);
  font-size: 12px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

@media (max-width: 760px) {
  .conversation-panel {
    gap: 8px;
  }

  .conversation-list {
    display: flex;
    gap: 8px;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 2px 2px 0;
    scroll-snap-type: x proximity;
  }

  .conversation-item,
  .conversation-empty {
    min-width: min(210px, 70vw);
    scroll-snap-align: start;
  }

  .conversation-item {
    padding: 8px 10px;
  }
}