:host {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.eo-list-shell {
  position: relative;
  flex: 1;
  display: flex;
  overflow: hidden;
}

.eo-message-list {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;

  /* Inheritable-property reset (L2). */
  font-family: var(--eo-font, system-ui, -apple-system, 'Segoe UI', sans-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--eo-text, #1d1d1b);
  letter-spacing: normal;
  text-transform: none;
  text-align: start;
  font-style: normal;
  font-weight: 400;
}

/* Custom scrollbar — subtle */
.eo-message-list::-webkit-scrollbar {
  width: 4px;
}

.eo-message-list::-webkit-scrollbar-track {
  background: transparent;
}

.eo-message-list::-webkit-scrollbar-thumb {
  background: var(--eo-border, #e3e4e0);
  border-radius: 2px;
}

/* Home — empty chat */
.eo-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  min-height: 100px;
  padding: 0 16px;
}

.eo-empty-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--eo-green-soft, rgba(80, 200, 120, 0.12));
  color: var(--eo-green-text, #1e7a40);
  margin-bottom: 8px;
}

.eo-empty-icon svg {
  width: 22px;
  height: 22px;
}

.eo-empty-title {
  font-size: 24px;
  line-height: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--eo-text, #1d1d1b);
}

.eo-empty-sub {
  font-size: 14px;
  color: var(--eo-text-2, #5a5a58);
  max-width: 280px;
}

/* Floating jump-to-bottom — appears when the user scrolls away from the end */
.eo-jump-bottom {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--eo-border, #e3e4e0);
  background: var(--eo-surface, #ffffff);
  color: var(--eo-text-2, #5a5a58);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(29, 29, 27, 0.12);
  transition: border-color 150ms ease, color 150ms ease;
}

.eo-jump-bottom:hover {
  border-color: var(--eo-green, #50c878);
  color: var(--eo-text, #1d1d1b);
}