/* Conversations Split View Layout */
.conversations-page {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background: #F9FAFB;
}

.conversations-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--c-app-bg);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}

.conversations-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar - Conversation List */
.conversations-sidebar {
  width: 320px;
  background: var(--c-app-bg);
  border-right: 1px solid var(--c-border);
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

/* Search */
.conversations-search {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}

.conversations-search-input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  font-size: 0.875rem;
  background: #F9FAFB;
  color: var(--c-base-text);
  outline: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.conversations-search-input:focus {
  border-color: var(--c-brand);
  background: var(--c-app-bg);
}

.conversations-search-input::placeholder {
  color: #9CA3AF;
}

.conversations-list {
  flex: 1;
  overflow-y: auto;
}

.conversation-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  text-decoration: none;
  border-bottom: 1px solid var(--c-border);
  transition: background-color 0.15s ease;
  cursor: pointer;
}

.conversation-item:hover {
  background: #F3F4F6;
}

.conversation-item.active {
  background: #F3F4F6;
  border-left: 3px solid var(--c-brand);
  padding-left: calc(1rem - 3px);
}

.conversation-item.unread {
  background: var(--c-brand-highlight);
}

.conversation-item.unread.active {
  background: var(--c-brand-highlight);
}

.conversation-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--c-brand);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

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

.conversation-name {
  font-weight: 600;
  color: var(--c-base-text);
  font-size: 0.9375rem;
  margin-bottom: 0.125rem;
}

.conversation-preview {
  color: var(--c-base-subtitle-text);
  font-size: 0.8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conversation-preview .no-messages {
  font-style: italic;
  color: #9CA3AF;
}

.conversation-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  flex-shrink: 0;
}

.conversation-time {
  font-size: 0.75rem;
  color: #9CA3AF;
}

.unread-badge {
  background: var(--c-brand);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.sidebar-empty {
  padding: 2rem;
  text-align: center;
  color: var(--c-base-subtitle-text);
}

/* Main Content - Conversation */
.conversation-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #F9FAFB;
  overflow: hidden;
}

.conversation-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--c-app-bg);
  border-bottom: 1px solid var(--c-border);
  flex-shrink: 0;
}

.conversation-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.conversation-plan-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-brand);
  border: 1px solid var(--c-brand);
  border-radius: 8px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.conversation-plan-btn:hover {
  background: var(--c-brand);
  color: white;
}

.conversation-plan-btn svg {
  flex-shrink: 0;
}

.conversation-patient {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.patient-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-brand);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.patient-info {
  display: flex;
  flex-direction: column;
}

.patient-name {
  font-weight: 600;
  color: var(--c-base-text);
  font-size: 0.9375rem;
}

.patient-role {
  font-size: 0.75rem;
  color: var(--c-base-subtitle-text);
}

/* Messages Container */
.conversation-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.conversation-messages .no-messages {
  text-align: center;
  color: var(--c-base-subtitle-text);
  padding: 2rem;
  margin: auto;
}

/* Message Bubbles */
.message {
  display: flex;
  flex-direction: column;
  max-width: 70%;
}

.message.sent {
  align-self: flex-end;
  align-items: flex-end;
}

.message.received {
  align-self: flex-start;
  align-items: flex-start;
}

.message-sender {
  font-size: 0.75rem;
  color: var(--c-base-subtitle-text);
  margin-bottom: 0.25rem;
  padding-left: 0.75rem;
}

.message-bubble {
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.9375rem;
  line-height: 1.4;
  word-wrap: break-word;
}

.message.sent .message-bubble {
  background: var(--c-brand);
  color: white;
  border-bottom-right-radius: 4px;
}

.message.received .message-bubble {
  background: var(--c-app-bg);
  color: var(--c-base-text);
  border: 1px solid var(--c-border);
  border-bottom-left-radius: 4px;
}

.message-image {
  max-width: 250px;
  max-height: 300px;
  border-radius: 12px;
  display: block;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.message-image:hover {
  opacity: 0.85;
}

.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.lightbox-image {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 0.25rem;
  padding: 0 0.5rem;
}

.message-meta .message-time {
  font-size: 0.6875rem;
  color: #9CA3AF;
}

.message-status {
  font-size: 0.75rem;
  color: var(--c-brand);
}

/* Message Input */
.conversation-input {
  padding: 1rem 1.5rem;
  background: var(--c-app-bg);
  border-top: 1px solid var(--c-border);
  flex-shrink: 0;
}

.message-form {
  display: flex;
  gap: 0.75rem;
}

.image-upload-button {
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.5rem;
  display: flex;
  align-items: center;
}

.image-upload-input {
  display: none;
}

.message-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: 24px;
  font-size: 0.9375rem;
  outline: none;
  background: var(--c-app-bg);
  color: var(--c-base-text);
  transition: border-color 0.15s ease;
}

.message-input:focus {
  border-color: var(--c-brand);
}

.message-input::placeholder {
  color: #9CA3AF;
}

.send-button {
  padding: 0.75rem 1.5rem;
  background: var(--c-brand);
  color: white;
  border: none;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.send-button:hover {
  background: var(--c-visit-hover);
}

/* Empty State - No conversation selected */
.no-conversation-selected {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--c-base-subtitle-text);
}

.no-conversation-selected .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.no-conversation-selected p {
  font-size: 1rem;
}

/* Request Cards */
.message-request-card {
  background: var(--c-brand-highlight);
  border-radius: 12px;
  padding: 1rem;
  max-width: 360px;
}

.message-request-card--decline {
  background: var(--c-severity-critical-highlight);
}

.request-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.request-card-icon {
  font-size: 1.25rem;
}

.request-card-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--c-base-text);
}

.request-card-visit {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  padding: 0.5rem 0.75rem;
  background: white;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  font-size: 0.8125rem;
  color: var(--c-base-text);
}

.request-card-comment {
  font-size: 0.875rem;
  color: var(--c-base-subtitle-text);
  line-height: 1.4;
}