.messages-layout {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  gap: 20px;
  align-items: start;
}

/* ---------- Conversations column ---------- */
.conversations-card {
  display: flex;
  flex-direction: column;
}

.conversations-header {
  padding: 20px 20px 14px;
}

.conversations-header h3 {
  font-size: 1rem;
  font-weight: 700;
}

.conversations-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 14px;
}

.conversations-search .toolbar-search {
  flex: 1;
  padding: 9px 12px;
}

.conversations-search-filter {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition);
}

.conversations-search-filter:hover {
  background: var(--color-border-light);
}

.conversations-search-filter .icon {
  width: 16px;
  height: 16px;
}

.conversations-tabs {
  margin: 0 16px 8px;
}

.conversation-list {
  display: flex;
  flex-direction: column;
  padding: 4px 10px;
  max-height: 480px;
  overflow-y: auto;
}

.conversation-item {
  display: flex;
  gap: 10px;
  padding: 10px 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
}

.conversation-item:hover {
  background: var(--color-border-light);
}

.conversation-item.active {
  background: var(--color-primary-light);
}

.conversation-avatar {
  flex-shrink: 0;
}

.conversation-body {
  flex: 1;
  min-width: 0;
}

.conversation-top-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.conversation-name {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-time {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.conversation-preview-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 2px;
}

.conversation-preview {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-unread-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0 4px;
}

.conversations-footer {
  padding: 12px 16px 16px;
  text-align: center;
  border-top: 1px solid var(--color-border-light);
  margin-top: 4px;
}

.conversations-footer a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: color var(--transition);
}

.conversations-footer a:hover {
  color: var(--color-primary-dark);
}

.conversations-footer .icon {
  width: 14px;
  height: 14px;
}

/* ---------- Chat column ---------- */
.chat-card {
  display: flex;
  flex-direction: column;
  height: 728px;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border-light);
}

.chat-header-info {
  flex: 1;
  min-width: 0;
}

.chat-header-info .name-row {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.chat-status .status-dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-success);
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.chat-header-actions .icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition);
}

.chat-header-actions .icon-btn:hover {
  background: var(--color-border-light);
}

.chat-header-actions .icon-btn .icon {
  width: 18px;
  height: 18px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-date-divider {
  text-align: center;
  font-size: 0.76rem;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.chat-message-row {
  display: flex;
  gap: 10px;
  max-width: 66%;
  align-self: flex-start;
}

.chat-message-row.outgoing {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-avatar {
  flex-shrink: 0;
}

.chat-bubble {
  background: var(--color-border-light);
  border-radius: 16px 16px 16px 4px;
  padding: 12px 14px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--color-text);
}

.chat-message-row.outgoing .chat-bubble {
  background: var(--color-primary-light);
  border-radius: 16px 16px 4px 16px;
}

.chat-meta {
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: flex-end;
  margin-top: 6px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.chat-meta .icon {
  width: 13px;
  height: 13px;
  color: var(--color-primary);
}

.chat-input-area {
  border-top: 1px solid var(--color-border-light);
  padding: 14px 20px;
}

.chat-input-box {
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px 14px;
  margin-bottom: 10px;
}

.chat-input-box input {
  flex: 1;
  border: none;
  background: none;
  outline: none;
  font-size: 0.86rem;
  padding: 10px 0;
  color: var(--color-text);
}

.chat-input-box input::placeholder {
  color: var(--color-text-muted);
}

.chat-input-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-toolbar-icons {
  display: flex;
  gap: 2px;
}

.chat-toolbar-icons button {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition);
}

.chat-toolbar-icons button:hover {
  background: var(--color-border-light);
}

.chat-toolbar-icons .icon {
  width: 18px;
  height: 18px;
}

/* ---------- Patient info column ---------- */
.messages-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.patient-info-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 20px 18px;
  gap: 10px;
}

.patient-info-header .name-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
}

.patient-info-header .meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.patient-info-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  margin-top: 4px;
}

.detail-contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

.detail-contact-item .icon {
  width: 14px;
  height: 14px;
  color: var(--color-text-muted);
}

.patient-info-actions {
  padding: 0 20px 20px;
}

.info-section {
  padding: 16px 20px;
  border-top: 1px solid var(--color-border-light);
}

.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: 0.84rem;
}

.detail-row .detail-label {
  color: var(--color-text-muted);
}

.detail-row .detail-value {
  color: var(--color-text);
  font-weight: 700;
  text-align: right;
}

.info-section h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.shared-files-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 6px;
}

.shared-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-type-icon.small {
  width: 30px;
  height: 30px;
}

.doc-type-icon.small .icon {
  width: 15px;
  height: 15px;
}

.shared-file-item .file-name {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 190px;
  transition: color var(--transition);
}

.shared-file-item .file-name:hover {
  color: var(--color-primary-dark);
}

.shared-file-item .file-meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.view-all-files-link {
  display: block;
  margin-top: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
}

.view-all-files-link:hover {
  color: var(--color-primary-dark);
}

@media (max-width: 1300px) {
  .messages-layout {
    grid-template-columns: 260px 1fr 260px;
  }
}

@media (max-width: 1100px) {
  .messages-layout {
    grid-template-columns: 1fr;
  }

  .chat-card {
    height: 600px;
  }
}