.layout {
  display: flex;
  height: 100%;
  width: 100%;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 45px - 2 * var(--mantine-spacing-md));
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.messageListWrapper {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100%;
  width: 100%;
}

.messageList {
  flex: 1;
  overflow-y: auto;
  padding: var(--mantine-spacing-md) var(--mantine-spacing-lg);
}

.messageErrorFallback {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  margin-bottom: var(--mantine-spacing-lg);
  border-radius: var(--mantine-radius-sm);
  background: light-dark(var(--mantine-color-gray-0), var(--mantine-color-dark-6));
  color: light-dark(var(--mantine-color-gray-6), var(--mantine-color-dark-2));
  font-size: var(--mantine-font-size-xs);
}

.scrollToBottomButton {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid light-dark(var(--mantine-color-gray-3), var(--mantine-color-dark-4));
  background: light-dark(var(--mantine-color-white), var(--mantine-color-dark-6));
  color: light-dark(var(--mantine-color-gray-7), var(--mantine-color-dark-1));
  cursor: pointer;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: background-color 120ms ease, border-color 120ms ease, transform 120ms ease;
  z-index: 2;
}

.scrollToBottomButton:hover {
  background: light-dark(var(--mantine-color-gray-0), var(--mantine-color-dark-5));
  border-color: light-dark(var(--mantine-color-gray-4), var(--mantine-color-dark-3));
}

.scrollToBottomButton:active {
  transform: translateX(-50%) scale(0.95);
}

.inputArea {
  padding: var(--mantine-spacing-xs) var(--mantine-spacing-lg) var(--mantine-spacing-lg);
}

/* Empty state - Notion AI style centered layout */
.emptyState {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--mantine-spacing-xl) var(--mantine-spacing-lg);
}

.emptyStateIcon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--mantine-spacing-sm);
  color: light-dark(var(--mantine-color-gray-6), var(--mantine-color-dark-2));
}

.emptyStateBrand {
  font-size: var(--mantine-font-size-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mantine-color-dimmed);
  margin-bottom: var(--mantine-spacing-xs);
}

.emptyStateTitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: light-dark(var(--mantine-color-gray-8), var(--mantine-color-dark-0));
  margin-bottom: var(--mantine-spacing-xl);
  text-align: center;
}

.emptyStateInput {
  width: 100%;
  max-width: 600px;
  margin-bottom: var(--mantine-spacing-xl);
  padding: 6px 0;
}

.suggestionsSection {
  width: 100%;
  max-width: 600px;
}

.suggestionsLabel {
  font-size: var(--mantine-font-size-xs);
  font-weight: 500;
  color: var(--mantine-color-dimmed);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--mantine-spacing-sm);
}

.suggestionsGrid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--mantine-spacing-sm);
}

.suggestionCard {
  display: flex;
  align-items: flex-start;
  gap: var(--mantine-spacing-sm);
  padding: var(--mantine-spacing-sm) var(--mantine-spacing-md);
  border: 1px solid light-dark(var(--mantine-color-gray-2), var(--mantine-color-dark-5));
  border-radius: var(--mantine-radius-md);
  cursor: pointer;
  background: transparent;
  transition: background-color 150ms, border-color 150ms;
  text-align: left;
  width: 100%;

  @mixin hover {
    background: light-dark(var(--mantine-color-gray-0), var(--mantine-color-dark-6));
    border-color: light-dark(var(--mantine-color-gray-3), var(--mantine-color-dark-4));
  }
}

.suggestionIcon {
  flex-shrink: 0;
  color: light-dark(var(--mantine-color-gray-6), var(--mantine-color-dark-2));
  margin-top: 1px;
}

.suggestionText {
  font-size: var(--mantine-font-size-sm);
  color: light-dark(var(--mantine-color-gray-7), var(--mantine-color-dark-1));
  line-height: 1.4;
}