/**
 * Lena – Chat & Buchung (ergänzend zu tools_ui.css)
 * Mobile-first, keine disruptive Änderungen am bestehenden Look.
 */
.lena-chat-section .lena-messages {
  min-height: 200px;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--bc-bg-input);
  border: 1px solid var(--bc-border);
  border-radius: 12px;
}

.lena-message {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.lena-message--user {
  background: var(--bc-primary);
  color: #fff;
  margin-left: 1.5rem;
}

.lena-message--assistant {
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  color: var(--bc-text);
  margin-right: 1.5rem;
}

.lena-message__role {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
  opacity: 0.9;
}

.lena-input-row {
  display: flex;
  gap: 10px;
  margin-top: 1rem;
  align-items: center;
}

.lena-input-row .bc-input {
  flex: 1;
  min-width: 0;
}

.lena-booking-form .lena-slots-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0.75rem;
}

.lena-slot-btn {
  padding: 8px 14px;
  font-size: 14px;
  border-radius: 8px;
  border: 1px solid var(--bc-border);
  background: var(--bc-bg-input);
  color: var(--bc-text);
  cursor: pointer;
}

.lena-slot-btn:hover {
  border-color: var(--bc-focus);
  background: var(--bc-bg);
}

.lena-slot-btn.selected {
  border-color: var(--bc-primary);
  background: var(--bc-primary);
  color: #fff;
}

/* Video-Beratung */
.lena-video-container {
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 9;
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.lena-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lena-video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 0.5rem;
}

.lena-diagnose {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bc-bg);
  border: 1px solid var(--bc-border);
  border-radius: 8px;
  font-size: 13px;
}

.lena-diagnose summary {
  cursor: pointer;
  font-weight: 600;
}

.lena-diagnose-list {
  margin: 0.5rem 0 0 0;
  padding-left: 1.25rem;
  list-style: disc;
}