* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1e1e2e;
  color: #cdd6f4;
  height: 100vh;
  overflow: hidden;
}

#root {
  height: 100%;
}

.app {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 220px;
  background: #181825;
  border-right: 1px solid #313244;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px;
  font-size: 14px;
  font-weight: 700;
  color: #cdd6f4;
  border-bottom: 1px solid #313244;
}

.sidebar-placeholder {
  padding: 16px;
  font-size: 12px;
  color: #6c7086;
  flex: 1;
}

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

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid #313244;
  background: #181825;
  flex-shrink: 0;
}

.header h1 {
  font-size: 16px;
  font-weight: 600;
  color: #cdd6f4;
}

.ws-status {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.ws-status[data-status="connected"] {
  background: #a6e3a1;
  color: #1e1e2e;
}

.ws-status[data-status="disconnected"],
.ws-status[data-status="error"] {
  background: #f38ba8;
  color: #1e1e2e;
}

.ws-status[data-status="connecting"] {
  background: #f9e2af;
  color: #1e1e2e;
}

.content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.message-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.empty-state {
  text-align: center;
  color: #6c7086;
  padding: 40px;
}

.message-item {
  display: flex;
  gap: 12px;
  padding: 10px 12px;
  background: #181825;
  border-radius: 6px;
  border: 1px solid #313244;
}

.message-item.type-deleted {
  opacity: 0.6;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
}

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

.message-username {
  font-weight: 600;
  color: #89b4fa;
  margin-right: 8px;
}

.message-time {
  font-size: 11px;
  color: #6c7086;
}

.message-deleted {
  font-size: 11px;
  color: #f38ba8;
  margin-left: 8px;
  font-style: italic;
}

.message-content {
  margin-top: 4px;
  font-size: 13px;
  color: #bac2de;
  white-space: pre-wrap;
  word-break: break-word;
}

.review-panel {
  border-top: 1px solid #313244;
  background: #181825;
  flex-shrink: 0;
}

.review-placeholder {
  padding: 16px;
  font-size: 12px;
  color: #6c7086;
}