#lab-message-modal {
  display: none;
}

.lab-message-modal-pane {
  width: min(1120px, calc(100vw - 32px));
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(15, 23, 42, 0.22);
}

.lab-message-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px 12px;
  border-bottom: 1px solid #e5e7eb;
}

.lab-message-title-wrap {
  min-width: 0;
}

.lab-message-header h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  color: #0f172a;
}

.lab-message-subtitle {
  margin-top: 4px;
  font-size: 13px;
  color: #64748b;
}

.lab-message-thread-note {
  margin: 14px 22px 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #334155;
  font-size: 13px;
}

.lab-message-list {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 16px 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 240px;
}

.lab-message-empty {
  padding: 24px 0;
  color: #64748b;
  font-size: 14px;
  text-align: center;
}

.lab-message-bubble {
  max-width: min(72%, 680px);
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid transparent;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}

.lab-message-bubble.mine {
  align-self: flex-end;
  background: #ecfdf5;
  border-color: #a7f3d0;
}

.lab-message-bubble.theirs {
  align-self: flex-start;
  background: #eff6ff;
  border-color: #bfdbfe;
}

.lab-message-text {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
  line-height: 1.55;
  color: #0f172a;
}

.lab-message-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  font-size: 12px;
  color: #64748b;
}

.lab-message-role {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 700;
}

.lab-message-role.mine {
  background: #dcfce7;
  color: #15803d;
}

.lab-message-role.theirs {
  background: #dbeafe;
  color: #1d4ed8;
}

.lab-message-tick {
  margin-left: auto;
  font-size: 12px;
  font-weight: 700;
}

.lab-message-tick.read {
  color: #16a34a;
}

.lab-message-tick.sent {
  color: #64748b;
}

.lab-message-compose {
  padding: 14px 22px 20px;
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
}

.lab-message-input {
  width: 100%;
  min-height: 110px;
  max-height: 220px;
  resize: vertical;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid #dbe3ef;
  border-radius: 12px;
  background: #ffffff;
  color: #0f172a;
  font-size: 14px;
  line-height: 1.5;
}

.lab-message-input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.lab-message-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.lab-message-send-btn {
  background: #2563eb;
  color: #ffffff;
}

.lab-message-send-btn:hover {
  background: #1d4ed8;
}

@media (max-width: 900px) {
  .lab-message-bubble {
    max-width: 88%;
  }
}