#fr-widget { position: fixed; bottom: 1.25rem; right: 1.25rem; z-index: 9999; font-family: 'Segoe UI', system-ui, sans-serif; }
#fr-toggle {
  width: 56px; height: 56px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent, #2563eb), var(--accent2, #1d4ed8));
  color: #fff; font-size: 1.5rem; box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
#fr-panel {
  display: none; width: 340px; height: 420px; margin-bottom: 0.75rem;
  background: var(--surface, #fff); border: 1px solid var(--border, #d1d9e6);
  border-radius: 12px; flex-direction: column; overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
#fr-panel.open { display: flex; }
#fr-header { padding: 0.75rem 1rem; background: var(--surface2, #eef1f6); font-weight: 600; border-bottom: 1px solid var(--border); }
#fr-messages { flex: 1; overflow-y: auto; padding: 0.75rem; }
#fr-messages .msg { margin-bottom: 0.5rem; padding: 0.5rem 0.75rem; border-radius: 8px; font-size: 0.875rem; max-width: 85%; }
#fr-messages .msg-bot { background: var(--surface2); margin-right: auto; }
#fr-messages .msg-user { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; margin-left: auto; }
#fr-input { display: flex; border-top: 1px solid var(--border); }
#fr-input input { flex: 1; border: none; padding: 0.75rem; outline: none; }
#fr-input button { border: none; background: var(--accent); color: #fff; padding: 0 1rem; cursor: pointer; }