/* App Header */
app-header {
  display: block;
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.header-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.header-center {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-md);
}

.current-user {
  background: var(--color-accent);
  color: black;
  border-radius: var(--border-radius);
  padding: var(--space-xs) var(--space-sm);
  transition: all var(--transition-fast);
}

.current-user.clickable {
  cursor: pointer;
}

.current-user.clickable:hover {
  background: var(--color-info);
  transform: scale(1.05);
}

.header-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-accent);
}

.header-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.group-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.header-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Main Container */
.main-container {
  display: grid;
  grid-template-columns: 1fr 300px; /* Main content + sidebar */
  height: calc(100vh - 180px); /* Account for header (80px) + chat-input (100px) */
  gap: var(--space-md);
  padding: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

/* Chat Container */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--color-bg-panel);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  padding: var(--space-md);
  padding-bottom: 120px; /* Make room for fixed chat-input */
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* Chat Messages */
.chat-message {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  background: var(--color-chat-message);
  border-left: 3px solid var(--color-accent);
  animation: slideIn 0.2s ease-out;
}

.chat-message.own-message {
  background: var(--color-chat-own);
  border-left-color: var(--color-success);
  margin-left: var(--space-lg);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.message-handle {
  font-weight: 600;
  color: var(--color-accent);
  font-size: var(--font-size-sm);
}

.message-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.message-content {
  margin-bottom: var(--space-xs);
  line-height: 1.4;
  word-wrap: break-word;
  max-height: 25vh; /* Limit content height to 1/4 viewport */
  overflow-y: auto;
  overflow-x: hidden;
}

/* Markdown styling within messages */
.message-content strong {
  font-weight: 700;
  color: var(--color-text-primary);
}

.message-content em {
  font-style: italic;
  color: var(--color-accent);
}

.message-content code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
  font-size: 0.9em;
  color: var(--color-warning);
}

.message-content pre {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
  margin: var(--space-xs) 0;
  overflow-x: auto;
}

.message-content pre code {
  background: none;
  padding: 0;
  color: var(--color-text-primary);
  font-size: 0.85em;
}

.message-content a {
  color: var(--color-info);
  text-decoration: underline;
}

.message-content a:hover {
  color: var(--color-accent);
}

/* Link containers with copy buttons */
.message-content .link-container {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  vertical-align: baseline;
}

.message-content .link-copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 0.8em;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  min-width: 20px;
  height: 20px;
  justify-content: center;
}

.message-content .link-copy-btn:hover {
  background: var(--color-accent);
  color: black;
  transform: scale(1.1);
}

.message-content .link-copy-btn:active {
  transform: scale(0.95);
}

.message-content .link-copy-btn.copied {
  background: var(--color-success);
  color: white;
}

.message-content .link-copy-btn.copy-failed {
  background: var(--color-error);
  color: white;
}

/* Code block container with copy button */
.message-content .code-block-container {
  position: relative;
  margin: var(--space-sm) 0;
}

.message-content .code-block-container pre {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin: 0;
  overflow-x: auto;
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  line-height: 1.4;
}

.message-content .code-copy-btn {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 4px 6px;
  font-size: 0.8em;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
}

.message-content .code-copy-btn:hover {
  background: var(--color-accent);
  color: black;
  transform: scale(1.1);
}

.message-content .code-copy-btn.copied {
  background: var(--color-success);
  color: white;
}

.message-content .code-copy-btn.copy-failed {
  background: var(--color-error);
  color: white;
}

/* Quote container with copy button */
.message-content .quote-container {
  position: relative;
  margin: var(--space-sm) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.message-content .quote-container blockquote {
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: var(--space-sm) var(--space-md);
  margin: 0;
  font-style: italic;
  color: var(--color-text-secondary);
  flex: 1;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  min-width: 0;
}

.message-content .quote-copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  padding: 4px 6px;
  font-size: 0.8em;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.message-content .quote-copy-btn:hover {
  background: var(--color-accent);
  color: black;
  transform: scale(1.1);
}

.message-content .quote-copy-btn.copied {
  background: var(--color-success);
  color: white;
}

.message-content .quote-copy-btn.copy-failed {
  background: var(--color-error);
  color: white;
}

.message-content del {
  text-decoration: line-through;
  color: var(--color-text-secondary);
  opacity: 0.7;
}

/* List styling */
.message-content ul,
.message-content ol {
  margin: var(--space-xs) 0;
  padding-left: var(--space-lg);
}

.message-content li {
  margin-bottom: var(--space-xs);
  line-height: 1.4;
}

.message-content ul {
  list-style-type: disc;
}

.message-content ol {
  list-style-type: decimal;
}

/* Nested lists */
.message-content ul ul {
  list-style-type: circle;
  margin-top: var(--space-xs);
}

.message-content ul ul ul {
  list-style-type: square;
}

/* Indentation classes */
.message-content .indent-1 {
  margin-left: var(--space-lg);
}

.message-content .indent-2 {
  margin-left: calc(var(--space-lg) * 2);
}

.message-content .indent-3 {
  margin-left: calc(var(--space-lg) * 3);
}

.message-content .indent-4 {
  margin-left: calc(var(--space-lg) * 4);
}

.message-content .indent-5 {
  margin-left: calc(var(--space-lg) * 5);
}

/* Indented list items */
.message-content li.indent-1 {
  margin-left: var(--space-md);
}

.message-content li.indent-2 {
  margin-left: calc(var(--space-md) * 2);
}

.message-content li.indent-3 {
  margin-left: calc(var(--space-md) * 3);
}

.message-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  opacity: 0.7;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Chat Input */
chat-input {
  display: block;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  padding: var(--space-md);
}

.chat-input-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.input-wrapper {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-end;
}

.message-input {
  flex: 1;
  min-height: 44px;
  max-height: 120px;
  resize: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
  background: var(--color-chat-input);
  font-family: inherit;
  font-size: var(--font-size-base);
  line-height: 1.4;
}

.send-btn {
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  color: black;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.send-btn:hover:not(:disabled) {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.send-btn:disabled {
  background: var(--color-bg-panel);
  color: var(--color-text-secondary);
  cursor: not-allowed;
  transform: none;
}

.input-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.char-count.warning {
  color: var(--color-warning);
}

.char-count.error {
  color: var(--color-danger);
}

.connection-status {
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  font-weight: 500;
}

.connection-status.connected {
  background: rgba(0, 255, 136, 0.2);
  color: var(--color-success);
}

.connection-status.disconnected {
  background: rgba(255, 68, 68, 0.2);
  color: var(--color-danger);
}

/* Chat Sidebar */
.chat-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  overflow-y: auto;
  height: 100%;
  padding-bottom: 120px; /* Same bottom margin as chat messages to avoid chat input overlap */
}

/* Peers Component */
chat-peers, chat-history-sync {
  display: block;
  background: var(--color-bg-panel);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
}

.peers-header, .sync-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.peers-header h3, .sync-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-accent);
}

.refresh-btn, .clear-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.refresh-btn:hover, .clear-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: scale(1.1);
}

.peers-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.no-peers {
  text-align: center;
  color: var(--color-text-secondary);
  font-style: italic;
  padding: var(--space-lg);
}

.peer-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.peer-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.peer-status-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.peer-item:hover {
  border-color: var(--color-accent);
  transform: translateX(2px);
}

.peer-info {
  flex: 1;
}

.peer-name {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.peer-handle {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.peer-status {
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: 2px;
}

.peer-status.online {
  background: rgba(0, 255, 136, 0.2);
  color: var(--color-success);
}

.peer-status.recent {
  background: rgba(255, 170, 0, 0.2);
  color: var(--color-warning);
}

.peer-status.offline {
  background: rgba(255, 68, 68, 0.2);
  color: var(--color-danger);
}

.peer-actions {
  display: flex;
  gap: var(--space-xs);
}

.sync-btn, .info-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-xs);
  transition: all var(--transition-fast);
}

.sync-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.info-btn:hover {
  color: var(--color-info);
  border-color: var(--color-info);
}

/* History Sync Component */
.sync-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.stat-item {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
}

.stat-label {
  color: var(--color-text-secondary);
}

.stat-value {
  font-weight: 500;
}

.sync-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.sync-progress {
  margin-top: var(--space-sm);
}

.progress-bar {
  height: 4px;
  background: var(--color-bg-secondary);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: 2px;
  animation: progress 1.5s ease-in-out infinite;
}

@keyframes progress {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(0%); }
  100% { transform: translateX(100%); }
}

.progress-text {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* Chat Input - Fixed to bottom */
chat-input {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md);
  z-index: var(--z-header);
}

/* App Controls - Hidden for now */
app-controls {
  display: none;
}

.app-controls {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  max-width: 1200px;
  margin: 0 auto;
}

.control-btn {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
}

.control-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: black;
  transform: translateY(-2px);
}

/* Status Display */
status-display {
  display: block;
  position: fixed;
  top: 80px;
  right: var(--space-md);
  z-index: var(--z-dropdown);
  pointer-events: none;
}

.status-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: flex-end;
}

.status-message {
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: auto;
}

.status-message.show {
  transform: translateX(0);
  opacity: 1;
}

.status-message.success {
  border-color: var(--color-success);
  background: rgba(0, 255, 136, 0.1);
}

.status-message.error {
  border-color: var(--color-danger);
  background: rgba(255, 68, 68, 0.1);
}

.status-message.warning {
  border-color: var(--color-warning);
  background: rgba(255, 170, 0, 0.1);
}

.status-message.info {
  border-color: var(--color-info);
  background: rgba(68, 136, 255, 0.1);
}

.status-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.status-icon {
  font-size: var(--font-size-lg);
}

/* Info Modal */
info-modal {
  display: block;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: var(--space-md);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.show .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  margin: 0;
  color: var(--color-accent);
}

.close-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  line-height: 1;
  transition: all var(--transition-fast);
}

.close-btn:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
}

.info-section {
  margin-bottom: var(--space-lg);
}

.info-section:last-child {
  margin-bottom: 0;
}

.info-section h3 {
  margin: 0 0 var(--space-md) 0;
  color: var(--color-accent);
  font-size: var(--font-size-lg);
}

.info-section h4 {
  margin: var(--space-md) 0 var(--space-sm) 0;
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
}

.config-info, .connection-info, .stats-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.config-info div, .connection-info div, .stats-info div {
  display: flex;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.config-info div:last-child,
.connection-info div:last-child,
.stats-info div:last-child {
  border-bottom: none;
}

.info-section ul {
  margin: var(--space-sm) 0;
  padding-left: var(--space-lg);
}

.info-section li {
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
}

/* Message handle styling */
.message-handle.clickable {
  cursor: pointer;
}

.message-handle.clickable:hover {
  color: var(--color-accent);
}

/* Metadata modal */
.metadata-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--space-md);
}

.metadata-modal {
  background: var(--color-background);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-large);
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.metadata-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.metadata-header h3 {
  margin: 0;
  color: var(--color-text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  background: var(--color-hover);
  color: var(--color-text-primary);
}

.metadata-content {
  padding: var(--space-md);
  overflow-y: auto;
}

.metadata-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--space-sm);
  align-items: center;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.metadata-row:last-child {
  border-bottom: none;
}

.metadata-label {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.metadata-value {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  color: var(--color-text-primary);
  word-break: break-all;
}

.copy-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xs);
  cursor: pointer;
  font-size: 14px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover {
  background: var(--color-hover);
  border-color: var(--color-accent);
}

.copy-placeholder {
  width: 32px;
  height: 32px;
}