/* === Chat Panel Container === */
.qm-chat-panel { 
  position: fixed; 
  right: 20px; 
  bottom: 20px; 
  width: 380px; 
  height: 520px; 
  background: var(--qm-bg-primary, #ffffff); 
  border: 1px solid var(--qm-border-color, rgba(255,255,255,0.2)); 
  border-radius: 20px; 
  box-shadow: 0 25px 60px rgba(0,0,0,0.15), 0 10px 20px rgba(0,0,0,0.1); 
  overflow: hidden; 
  z-index: 99999; 
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.qm-chat-panel.hidden { 
  opacity: 0; 
  visibility: hidden; 
  transform: translateY(20px) scale(0.95); 
}

.qm-chat-panel.minimized { 
  height: 56px; 
  width: 280px; 
}

.qm-chat-panel.dragging {
  cursor: grabbing;
  user-select: none;
}

/* === Dark Theme === */
.qm-chat-panel.dark {
  --qm-bg-primary: #1e1e2e;
  --qm-bg-secondary: #2a2a3e;
  --qm-bg-tertiary: #363650;
  --qm-text-primary: #f9fafb;
  --qm-text-secondary: #d1d5db;
  --qm-text-muted: #9ca3af;
  --qm-border-color: rgba(255,255,255,0.1);
  --qm-accent-primary: #667eea;
  --qm-accent-hover: #764ba2;
  --qm-accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --qm-success: #10b981;
  --qm-warning: #f59e0b;
  --qm-danger: #ef4444;
}

/* === Light Theme === */
.qm-chat-panel:not(.dark) {
  --qm-bg-primary: #ffffff;
  --qm-bg-secondary: #f8fafc;
  --qm-bg-tertiary: #f1f5f9;
  --qm-text-primary: #1f2937;
  --qm-text-secondary: #4b5563;
  --qm-text-muted: #6b7280;
  --qm-border-color: #e5e7eb;
  --qm-accent-primary: #667eea;
  --qm-accent-hover: #764ba2;
  --qm-accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --qm-success: #10b981;
  --qm-warning: #f59e0b;
  --qm-danger: #ef4444;
}

/* === Header === */
.qm-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--qm-accent-gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
  border-bottom: none;
  cursor: grab;
}

.qm-chat-header:active {
  cursor: grabbing;
}

.qm-chat-title {
  font-size: 16px;
  font-weight: 600;
  color: white;
  display: flex;
  align-items: center;
  gap: 10px;
}

.qm-chat-controls {
  display: flex;
  gap: 8px;
}

.qm-chat-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.qm-chat-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

/* === Tabs === */
.qm-chat-tabs {
  display: flex;
  gap: 4px;
  padding: 12px 16px 0;
  background: var(--qm-bg-primary);
}

.qm-chat-tab {
  padding: 8px 16px;
  border: none;
  border-radius: 20px;
  background: var(--qm-bg-tertiary);
  color: var(--qm-text-secondary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.qm-chat-tab.active {
  background: var(--qm-accent-primary);
  color: white;
  transform: scale(1.02);
}

.qm-chat-tab:hover:not(.active) {
  background: var(--qm-bg-secondary);
  transform: translateY(-1px);
}

/* === Content === */
.qm-chat-content {
  height: calc(100% - 120px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.qm-chat-panel.minimized .qm-chat-content {
  display: none;
}

/* === Messages Area === */
.qm-messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  scroll-behavior: smooth;
}

.qm-messages-container::-webkit-scrollbar {
  width: 4px;
}

.qm-messages-container::-webkit-scrollbar-thumb {
  background: var(--qm-border-color);
  border-radius: 2px;
}

.qm-message-bubble {
  max-width: 280px;
  margin-bottom: 12px;
  animation: messageSlideIn 0.3s ease-out;
}

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

.qm-message-bubble.own {
  margin-left: auto;
}

.qm-message-content {
  padding: 10px 14px;
  border-radius: 18px;
  word-wrap: break-word;
  position: relative;
}

.qm-message-bubble:not(.own) .qm-message-content {
  background: var(--qm-bg-secondary);
  color: var(--qm-text-primary);
  border-bottom-left-radius: 6px;
}

.qm-message-bubble.own .qm-message-content {
  background: var(--qm-accent-primary);
  color: white;
  border-bottom-right-radius: 6px;
}

.qm-message-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 11px;
  color: var(--qm-text-muted);
}

.qm-message-bubble.own .qm-message-meta {
  justify-content: flex-end;
}

.qm-message-status {
  display: flex;
  align-items: center;
  gap: 2px;
}

.qm-status-icon {
  width: 12px;
  height: 12px;
  opacity: 0.7;
}

/* === Typing Indicator === */
.qm-typing-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  color: var(--qm-text-muted);
  font-size: 13px;
  font-style: italic;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
}

.qm-typing-indicator.show {
  opacity: 1;
  transform: translateY(0);
}

.qm-typing-dots {
  display: flex;
  gap: 3px;
}

.qm-typing-dot {
  width: 6px;
  height: 6px;
  background: var(--qm-text-muted);
  border-radius: 50%;
  animation: typingPulse 1.4s ease-in-out infinite;
}

.qm-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.qm-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingPulse {
  0%, 60%, 100% { opacity: 0.4; }
  30% { opacity: 1; }
}

/* === Input Area === */
.qm-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--qm-border-color);
  background: var(--qm-bg-primary);
}

.qm-input-area.blocked {
  text-align: center;
  color: var(--qm-text-muted);
  font-size: 13px;
  font-style: italic;
}

.qm-input-wrapper {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.qm-message-input {
  flex: 1;
  min-height: 36px;
  max-height: 100px;
  padding: 8px 12px;
  border: 1px solid var(--qm-border-color);
  border-radius: 18px;
  background: var(--qm-bg-secondary);
  color: var(--qm-text-primary);
  resize: none;
  outline: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.qm-message-input:focus {
  border-color: var(--qm-accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.qm-send-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: var(--qm-accent-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.qm-send-btn:hover {
  background: var(--qm-accent-hover);
  transform: scale(1.05);
}

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

/* === Loading Spinner === */
.qm-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.qm-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--qm-border-color);
  border-top: 2px solid var(--qm-accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Enhanced Animations for Better UX */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% { transform: scale(0.9); }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shakeError {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-10px); }
  20%, 40%, 60%, 80% { transform: translateX(10px); }
}

/* Empty State Enhancements */
.qm-empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--qm-text-muted, #9ca3af);
  animation: fadeIn 0.5s ease;
}

.qm-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.7;
  animation: bounceIn 0.6s ease;
}

.qm-empty-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--qm-text-secondary, #6b7280);
}

.qm-empty-subtitle {
  font-size: 14px;
  line-height: 1.5;
}

/* Interactive Button States */
.qm-friend-actions button:hover {
  animation: none !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.qm-friend-actions button:active {
  animation: none !important;
}

/* Error State Animation */
.qm-friend-item.error {
  animation: shakeError 0.5s ease;
  border-left: 4px solid var(--qm-danger, #ef4444);
}

/* Success State Animation */  
.qm-friend-item.success {
  background: rgba(16, 185, 129, 0.1);
  border-left: 4px solid var(--qm-success, #10b981);
}

/* Loading State for Friend Items */
.qm-friend-item.loading {
  pointer-events: none;
  opacity: 0.7;
}

.qm-friend-item.loading .qm-friend-actions button {
  pointer-events: none;
  opacity: 0.5;
}

/* Staggered Animation for Friend List */
.qm-friend-popup-list .qm-friend-item:nth-child(1) { animation-delay: 0s; }
.qm-friend-popup-list .qm-friend-item:nth-child(2) { animation-delay: 0.05s; }
.qm-friend-popup-list .qm-friend-item:nth-child(3) { animation-delay: 0.1s; }
.qm-friend-popup-list .qm-friend-item:nth-child(4) { animation-delay: 0.15s; }
.qm-friend-popup-list .qm-friend-item:nth-child(5) { animation-delay: 0.2s; }
.qm-friend-popup-list .qm-friend-item:nth-child(n+6) { animation-delay: 0.25s; }

.qm-friend-popup-list .qm-friend-item {
  animation: slideInRight 0.3s ease both;
}

/* Notification Styles */
.qm-notification-container .qm-notification {
  backdrop-filter: blur(8px);
}

.qm-notification:hover {
  transform: translateX(-4px) !important;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2) !important;
}

/* Focus States for Accessibility */
.qm-friend-actions button:focus {
  outline: 2px solid var(--qm-accent-primary, #3b82f6);
  outline-offset: 2px;
}

/* Improved Mobile Touch Targets */
@media (max-width: 768px) {
  .qm-friend-actions button {
    min-width: 44px;
    min-height: 44px;
  }
  
  .qm-friend-item {
    padding: 16px 20px;
  }
}

/* === Friend List === */
.qm-friend-list {
  max-height: 300px;
  overflow-y: auto;
}

.qm-friend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--qm-border-color);
}

.qm-friend-item:hover {
  background: var(--qm-bg-secondary);
}

.qm-friend-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--qm-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 14px;
}

.qm-friend-info {
  flex: 1;
}

.qm-friend-name {
  font-weight: 500;
  color: var(--qm-text-primary);
  margin-bottom: 2px;
}

.qm-friend-status {
  font-size: 12px;
  color: var(--qm-text-muted);
}

.qm-friend-actions {
  display: flex;
  gap: 4px;
}

.qm-action-btn {
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--qm-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: all 0.2s ease;
}

.qm-action-btn:hover {
  background: var(--qm-bg-tertiary);
}

.qm-action-btn.danger:hover {
  background: var(--qm-danger);
  color: white;
}

/* === Friend Management Popup === */
.qm-friend-popup {
  position: fixed;
  left: 20px;
  bottom: 20px;
  width: 420px;
  height: 600px;
  max-height: calc(100vh - 40px);
  background: var(--qm-bg-primary, #ffffff);
  border: 1px solid var(--qm-border-color, #e5e7eb);
  border-radius: 16px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.1);
  overflow: hidden;
  z-index: 99998;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  display: flex;
  flex-direction: column;
}

.qm-friend-popup.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateX(-20px) scale(0.95);
}

/* Dark theme for friend popup */
.qm-chat-panel.dark ~ .qm-friend-popup {
  --qm-bg-primary: #1e1e2e;
  --qm-bg-secondary: #2a2a3e;
  --qm-bg-tertiary: #363650;
  --qm-text-primary: #f9fafb;
  --qm-text-secondary: #d1d5db;
  --qm-text-muted: #9ca3af;
  --qm-border-color: rgba(102, 126, 234, 0.15);
  --qm-accent-primary: #667eea;
  --qm-accent-hover: #764ba2;
  --qm-accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --qm-success: #10b981;
  --qm-warning: #f59e0b;
  --qm-danger: #ef4444;
}

.qm-friend-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: var(--qm-accent-gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
  border-bottom: none;
}

.qm-friend-popup-title {
  font-size: 18px;
  font-weight: 600;
  color: white;
  margin: 0;
}

.qm-friend-popup-close {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.qm-friend-popup-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.05);
}

.qm-friend-popup-tabs {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: var(--qm-bg-primary);
  border-bottom: 1px solid var(--qm-border-color);
}

.qm-friend-popup-tab {
  flex: 1;
  padding: 10px 12px;
  border: none;
  border-radius: 8px;
  background: var(--qm-bg-tertiary);
  color: var(--qm-text-secondary);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.qm-friend-popup-tab.active {
  background: var(--qm-accent-gradient, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.qm-friend-popup-tab:hover:not(.active) {
  background: var(--qm-bg-secondary);
}

.qm-badge {
  display: inline-block;
  background: var(--qm-danger);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: 6px;
  min-width: 18px;
  text-align: center;
}

.qm-friend-popup-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.qm-friend-popup-view {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
}

.qm-friend-popup-view.active {
  display: flex;
}

.qm-friend-search {
  padding: 16px;
  background: var(--qm-bg-primary);
  border-bottom: 1px solid var(--qm-border-color);
}

.qm-search-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--qm-border-color);
  border-radius: 8px;
  background: var(--qm-bg-secondary);
  color: var(--qm-text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.qm-search-input:focus {
  border-color: var(--qm-accent-primary);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.qm-friend-popup-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 20px;
}

.qm-friend-popup-list {
  flex: 1;
  overflow-y: auto;
}

.qm-friend-popup-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--qm-border-color);
}

.qm-friend-popup-item:hover {
  background: var(--qm-bg-secondary);
}

.qm-friend-popup-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--qm-accent-primary), var(--qm-accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 16px;
  flex-shrink: 0;
}

.qm-friend-popup-info {
  flex: 1;
  min-width: 0;
}

.qm-friend-popup-name {
  font-weight: 600;
  color: var(--qm-text-primary);
  margin-bottom: 4px;
  font-size: 15px;
}

.qm-friend-popup-status {
  font-size: 13px;
  color: var(--qm-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.qm-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qm-text-muted);
}

.qm-status-dot.online {
  background: var(--qm-success);
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}

.qm-friend-popup-time {
  font-size: 12px;
  color: var(--qm-text-muted);
  margin-top: 4px;
}

.qm-friend-popup-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.qm-action-btn {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: var(--qm-bg-tertiary);
  color: var(--qm-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.qm-action-btn:hover {
  background: var(--qm-accent-primary);
  color: white;
  transform: scale(1.05);
}

.qm-action-btn.success:hover {
  background: var(--qm-success);
  color: white;
}

.qm-action-btn.danger:hover {
  background: var(--qm-danger);
  color: white;
}

.qm-empty-state {
  text-align: center;
  color: var(--qm-text-muted);
  padding: 60px 20px;
  font-size: 14px;
}

/* Add friend form */
.qm-add-friend-form {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qm-add-friend-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--qm-border-color);
  border-radius: 8px;
  background: var(--qm-bg-secondary);
  color: var(--qm-text-primary);
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}

.qm-add-friend-input:focus {
  border-color: var(--qm-accent-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.qm-add-friend-btn {
  width: 100%;
  padding: 12px 16px;
  border: none;
  border-radius: 8px;
  background: var(--qm-accent-primary);
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qm-add-friend-btn:hover {
  background: var(--qm-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.qm-add-friend-result {
  padding: 0 20px 20px;
  max-height: 400px;
  overflow-y: auto;
}

.qm-search-results {
  margin-top: 16px;
  border-radius: 12px;
  border: 1px solid var(--qm-border-color, #e5e7eb);
  background: var(--qm-bg-primary, #ffffff);
  overflow: hidden;
}

.qm-result-message {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  animation: slideDown 0.3s ease-out;
}

.qm-result-message.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--qm-success);
  border: 1px solid var(--qm-success);
}

.qm-result-message.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--qm-danger);
  border: 1px solid var(--qm-danger);
}

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

/* === Responsive === */
@media (max-width: 480px) {
  .qm-chat-panel {
    right: 10px;
    bottom: 10px;
    width: calc(100vw - 20px);
    max-width: 360px;
  }
  
  .qm-friend-popup {
    left: 10px;
    right: 10px;
    width: calc(100vw - 20px);
    max-width: 400px;
  }
}

@media (max-width: 768px) {
  .qm-friend-popup {
    width: calc(100vw - 40px);
    max-width: 380px;
  }
}

/* === Authentication Required Styles === */
.qm-auth-required {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  color: var(--qm-text-secondary, #6b7280);
  background: var(--qm-bg-secondary, #f9fafb);
  border-radius: 12px;
  margin: 20px;
}

.qm-auth-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.8;
}

.qm-auth-message {
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.5;
  color: var(--qm-text-primary, #374151);
}

.qm-auth-login-btn {
  background: var(--qm-accent-primary, #3b82f6);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.qm-auth-login-btn:hover {
  background: var(--qm-accent-hover, #2563eb);
  transform: translateY(-1px);
}

.qm-auth-login-btn:active {
  transform: translateY(0);
}

.qm-chat-panel.dark .qm-auth-required {
  background: var(--qm-bg-tertiary, #374151);
  color: var(--qm-text-secondary, #d1d5db);
}

.qm-chat-panel.dark .qm-auth-message {
  color: var(--qm-text-primary, #f9fafb);
}

/* === Friend Search Suggestions === */
.qm-search-container {
  position: relative;
  width: 100%;
}

.qm-search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.qm-search-loading {
  position: absolute;
  right: 12px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}

.qm-search-loading.show {
  opacity: 1;
  animation: spin 1s linear infinite;
}

.qm-search-tips {
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--qm-bg-secondary, #f8fafc);
  border-radius: 6px;
  font-size: 12px;
  color: var(--qm-text-muted, #6b7280);
  border-left: 3px solid var(--qm-accent-primary, #3b82f6);
}

.qm-search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--qm-bg-primary, #ffffff);
  border: 1px solid var(--qm-border-color, #e5e7eb);
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.qm-search-suggestions.show {
  display: block;
}

.qm-suggestion-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--qm-border-color, #e5e7eb);
  cursor: default;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background-color 0.2s;
}

.qm-suggestion-item:last-child {
  border-bottom: none;
}

.qm-suggestion-item:hover,
.qm-suggestion-item.selected {
  background: var(--qm-bg-secondary, #f8fafc);
}

.qm-suggestion-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--qm-accent-primary, #3b82f6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
}

.qm-suggestion-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.qm-suggestion-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.qm-suggestion-name {
  font-weight: 500;
  font-size: 14px;
  color: var(--qm-text-primary, #1f2937);
  margin-bottom: 2px;
}

.qm-suggestion-details {
  font-size: 12px;
  color: var(--qm-text-muted, #6b7280);
}

.qm-suggestion-actions {
  margin-left: auto;
  flex-shrink: 0;
}

.qm-friend-request-btn {
  background: var(--qm-accent-primary, #3b82f6);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.qm-friend-request-btn:hover {
  background: var(--qm-accent-hover, #2563eb);
  transform: translateY(-1px);
}

.qm-friend-request-btn:active {
  transform: translateY(0);
}

.qm-friend-request-btn:disabled {
  background: var(--qm-text-muted, #6b7280);
  cursor: not-allowed;
  transform: none;
}

.qm-friend-request-btn.success {
  background: var(--qm-success, #10b981);
}

.qm-friend-request-btn.error {
  background: var(--qm-danger, #ef4444);
}

.qm-no-results {
  padding: 16px;
  text-align: center;
  color: var(--qm-text-muted, #6b7280);
  font-size: 14px;
}

/* === Friend Request Items === */
.qm-friend-request-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--qm-border-color, #e5e7eb);
  transition: background-color 0.2s;
}

.qm-friend-request-item:hover {
  background: var(--qm-bg-secondary, #f8fafc);
}

.qm-friend-request-item:last-child {
  border-bottom: none;
}

.qm-request-message {
  margin-top: 4px;
  font-size: 13px;
  color: var(--qm-text-secondary, #4b5563);
  font-style: italic;
  padding: 6px 8px;
  background: var(--qm-bg-secondary, #f8fafc);
  border-radius: 4px;
  border-left: 2px solid var(--qm-accent-primary, #3b82f6);
}

.qm-accept-btn {
  background: var(--qm-success, #10b981);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-right: 6px;
}

.qm-accept-btn:hover {
  background: #059669;
  transform: translateY(-1px);
}

.qm-decline-btn {
  background: var(--qm-danger, #ef4444);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.qm-decline-btn:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

.qm-accept-btn:disabled,
.qm-decline-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.qm-no-requests {
  padding: 32px 16px;
  text-align: center;
  color: var(--qm-text-muted, #6b7280);
  font-size: 14px;
}

.qm-error-message {
  padding: 16px;
  text-align: center;
  color: var(--qm-danger, #ef4444);
  font-size: 14px;
}

/* Dark theme for suggestions and requests */
.qm-chat-panel.dark .qm-search-suggestions {
  background: var(--qm-bg-secondary, #374151);
  border-color: var(--qm-border-color, #4b5563);
}

.qm-chat-panel.dark .qm-suggestion-item:hover,
.qm-chat-panel.dark .qm-suggestion-item.selected {
  background: var(--qm-bg-tertiary, #4b5563);
}

.qm-chat-panel.dark .qm-suggestion-name {
  color: var(--qm-text-primary, #f9fafb);
}

.qm-chat-panel.dark .qm-suggestion-details {
  color: var(--qm-text-secondary, #d1d5db);
}

.qm-chat-panel.dark .qm-friend-request-item:hover {
  background: var(--qm-bg-tertiary, #4b5563);
}

.qm-chat-panel.dark .qm-request-message {
  background: var(--qm-bg-tertiary, #4b5563);
  color: var(--qm-text-secondary, #d1d5db);
}

/* === Search Results Enhancements === */
.qm-search-hint,
.qm-search-loading-msg,
.qm-search-error {
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--qm-text-muted, #6b7280);
}

.qm-search-loading-msg {
  color: var(--qm-accent-primary, #3b82f6);
  animation: pulse 1.5s ease-in-out infinite;
}

.qm-search-error {
  color: var(--qm-danger, #ef4444);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Enhanced suggestion items in results */
.qm-search-results .qm-suggestion-item {
  padding: 16px;
  border-bottom: 1px solid var(--qm-border-color, #e5e7eb);
  cursor: default;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.2s;
}

.qm-search-results .qm-suggestion-item:last-child {
  border-bottom: none;
}

.qm-search-results .qm-suggestion-item:hover,
.qm-search-results .qm-suggestion-item.selected {
  background: var(--qm-bg-secondary, #f8fafc);
  transform: translateX(4px);
}

.qm-search-results .qm-suggestion-avatar {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--qm-accent-primary, #3b82f6), var(--qm-accent-hover, #2563eb));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.qm-search-results .qm-suggestion-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.qm-search-results .qm-suggestion-name {
  font-weight: 600;
  font-size: 16px;
  color: var(--qm-text-primary, #1f2937);
  margin-bottom: 4px;
}

.qm-search-results .qm-suggestion-details {
  font-size: 13px;
  color: var(--qm-text-muted, #6b7280);
  display: flex;
  align-items: center;
  gap: 8px;
}

.qm-search-results .qm-friend-request-btn {
  background: linear-gradient(135deg, var(--qm-accent-primary, #3b82f6), var(--qm-accent-hover, #2563eb));
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.qm-search-results .qm-friend-request-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* Dark theme for search results */
.qm-chat-panel.dark .qm-search-results {
  background: var(--qm-bg-secondary, #374151);
  border-color: var(--qm-border-color, #4b5563);
}

.qm-chat-panel.dark .qm-search-results .qm-suggestion-item:hover,
.qm-chat-panel.dark .qm-search-results .qm-suggestion-item.selected {
  background: var(--qm-bg-tertiary, #4b5563);
}

.qm-chat-panel.dark .qm-search-results .qm-suggestion-name {
  color: var(--qm-text-primary, #f9fafb);
}

.qm-chat-panel.dark .qm-search-results .qm-suggestion-details {
  color: var(--qm-text-secondary, #d1d5db);
}

/* === Friend Search Suggestions === */
.qm-search-container {
  position: relative;
  width: 100%;
}

.qm-search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.qm-search-loading {
  position: absolute;
  right: 12px;
  font-size: 14px;
  opacity: 0;
  transition: opacity 0.2s;
}

.qm-search-loading.show {
  opacity: 1;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.qm-search-tips {
  margin-top: 12px;
  padding: 8px 12px;
  background: var(--qm-bg-secondary, #f8fafc);
  border-radius: 6px;
  font-size: 12px;
  color: var(--qm-text-muted, #6b7280);
  border-left: 3px solid var(--qm-accent-primary, #3b82f6);
}

.qm-search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--qm-bg-primary, #ffffff);
  border: 1px solid var(--qm-border-color, #e5e7eb);
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-height: 200px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.qm-search-suggestions.show {
  display: block;
}

.qm-suggestion-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--qm-border-color, #e5e7eb);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background-color 0.2s;
}

.qm-suggestion-item:last-child {
  border-bottom: none;
}

.qm-suggestion-item:hover,
.qm-suggestion-item.selected {
  background: var(--qm-bg-secondary, #f8fafc);
}

.qm-suggestion-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--qm-accent-primary, #3b82f6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
}

.qm-suggestion-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

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

.qm-suggestion-name {
  font-weight: 500;
  font-size: 14px;
  color: var(--qm-text-primary, #1f2937);
  margin-bottom: 2px;
}

.qm-suggestion-details {
  font-size: 12px;
  color: var(--qm-text-muted, #6b7280);
}

.qm-suggestion-match {
  background: rgba(59, 130, 246, 0.15);
  padding: 1px 3px;
  border-radius: 3px;
}

.qm-no-results {
  padding: 16px;
  text-align: center;
  color: var(--qm-text-muted, #6b7280);
  font-size: 14px;
}

/* Dark theme for suggestions */
.qm-chat-panel.dark .qm-search-suggestions {
  background: var(--qm-bg-secondary, #374151);
  border-color: var(--qm-border-color, #4b5563);
}

.qm-chat-panel.dark .qm-suggestion-item:hover,
.qm-chat-panel.dark .qm-suggestion-item.selected {
  background: var(--qm-bg-tertiary, #4b5563);
}

.qm-chat-panel.dark .qm-suggestion-name {
  color: var(--qm-text-primary, #f9fafb);
}

.qm-chat-panel.dark .qm-suggestion-details {
  color: var(--qm-text-secondary, #d1d5db);
}

/* Suggestion Actions */
.qm-suggestion-actions {
  margin-left: auto;
  flex-shrink: 0;
}

.qm-friend-request-btn {
  background: var(--qm-accent-primary, #3b82f6);
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.qm-friend-request-btn:hover {
  background: var(--qm-accent-hover, #2563eb);
  transform: translateY(-1px);
}

.qm-friend-request-btn:active {
  transform: translateY(0);
}

.qm-friend-request-btn:disabled {
  background: var(--qm-text-muted, #6b7280);
  cursor: not-allowed;
  transform: none;
}

.qm-friend-request-btn.success {
  background: var(--qm-success, #10b981);
}

.qm-friend-request-btn.error {
  background: var(--qm-danger, #ef4444);
}

/* Update suggestion item layout to accommodate actions */
.qm-suggestion-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--qm-border-color, #e5e7eb);
  cursor: default; /* Changed from pointer since we have specific click targets now */
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background-color 0.2s;
}

.qm-suggestion-info {
  flex: 1;
  min-width: 0;
  cursor: pointer; /* Only the info area is clickable for selection */
}

/* === Enhanced Friend Popup List Styles === */
.qm-friend-popup-list {
  background: var(--qm-bg-primary, #ffffff);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--qm-border-color, #e5e7eb);
  overflow: hidden;
  backdrop-filter: blur(20px);
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--qm-text-muted, #9ca3af) transparent;
}

.qm-friend-popup-list::-webkit-scrollbar {
  width: 6px;
}

.qm-friend-popup-list::-webkit-scrollbar-track {
  background: transparent;
}

.qm-friend-popup-list::-webkit-scrollbar-thumb {
  background: var(--qm-text-muted, #9ca3af);
  border-radius: 3px;
  opacity: 0.5;
}

.qm-friend-popup-list::-webkit-scrollbar-thumb:hover {
  opacity: 0.8;
}

/* Enhanced Friend Item Styling */
.qm-friend-popup-list .qm-friend-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--qm-bg-primary, #ffffff);
  border-bottom: 1px solid var(--qm-border-color, #f1f3f4);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.qm-friend-popup-list .qm-friend-item:last-child {
  border-bottom: none;
}

.qm-friend-popup-list .qm-friend-item:hover {
  background: var(--qm-bg-secondary, #f8fafc);
  transform: translateX(4px);
  box-shadow: inset 4px 0 0 var(--qm-accent-primary, #3b82f6);
}

.qm-friend-popup-list .qm-friend-item:active {
  transform: translateX(2px) scale(0.98);
}

/* Enhanced Avatar Styling */
.qm-friend-popup-list .qm-friend-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

.qm-friend-popup-list .qm-friend-item:hover .qm-friend-avatar {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.qm-friend-popup-list .qm-friend-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.qm-friend-popup-list .qm-friend-avatar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.qm-friend-popup-list .qm-friend-item:hover .qm-friend-avatar::after {
  opacity: 1;
}

/* Enhanced Friend Info Styling */
.qm-friend-popup-list .qm-friend-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qm-friend-popup-list .qm-friend-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--qm-text-primary, #1f2937);
  margin: 0;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.qm-friend-popup-list .qm-friend-item:hover .qm-friend-name {
  color: var(--qm-accent-primary, #3b82f6);
}

.qm-friend-popup-list .qm-friend-meta {
  font-size: 13px;
  color: var(--qm-text-muted, #6b7280);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.qm-friend-popup-list .qm-friend-meta::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--qm-success, #10b981);
  animation: onlinePulse 2s ease-in-out infinite;
}

@keyframes onlinePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* Enhanced Action Buttons */
.qm-friend-popup-list .qm-friend-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qm-friend-popup-list .qm-friend-item:hover .qm-friend-actions {
  opacity: 1;
  transform: translateX(0);
}

.qm-friend-popup-list .qm-friend-actions button {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 8px;
  background: var(--qm-bg-tertiary, #f3f4f6);
  color: var(--qm-text-secondary, #6b7280);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.qm-friend-popup-list .qm-friend-actions button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.qm-friend-popup-list .qm-friend-actions button:hover::before {
  opacity: 0.1;
}

.qm-friend-popup-list .qm-friend-actions button[data-act="chat"] {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="chat"]:hover {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="block"] {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="block"]:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="unblock"] {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  font-size: 12px;
}

.qm-friend-popup-list .qm-friend-actions button[data-act="unblock"]:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="remove"] {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.qm-friend-popup-list .qm-friend-actions button[data-act="remove"]:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

.qm-friend-popup-list .qm-friend-actions button:active {
  transform: translateY(0) scale(0.95);
}

/* Blocked Friend Styling */
.qm-friend-popup-list .qm-friend-item.qm-friend-blocked {
  opacity: 0.7;
  background: rgba(239, 68, 68, 0.05);
  border-left: 3px solid #ef4444;
}

.qm-friend-popup-list .qm-friend-item.qm-friend-blocked .qm-friend-avatar {
  filter: grayscale(50%);
}

.qm-friend-popup-list .qm-friend-item.qm-friend-blocked .qm-friend-meta {
  color: #ef4444;
  font-weight: 500;
}

/* Action Button Base Styles */
.qm-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 12px;
  font-weight: 500;
  gap: 4px;
}

.qm-action-btn svg {
  flex-shrink: 0;
}

.qm-action-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Dark Theme Support */
.qm-chat-panel.dark ~ .qm-friend-popup-list,
.qm-friend-popup-list.dark {
  --qm-bg-primary: #1f2937;
  --qm-bg-secondary: #374151;
  --qm-bg-tertiary: #4b5563;
  --qm-text-primary: #f9fafb;
  --qm-text-secondary: #d1d5db;
  --qm-text-muted: #9ca3af;
  --qm-border-color: #374151;
  --qm-accent-primary: #3b82f6;
  --qm-success: #10b981;
}

.qm-chat-panel.dark ~ .qm-friend-popup-list .qm-friend-item:hover,
.qm-friend-popup-list.dark .qm-friend-item:hover {
  background: var(--qm-bg-secondary);
  box-shadow: inset 4px 0 0 var(--qm-accent-primary);
}

/* Empty State Styling */
.qm-friend-popup-list:empty::before {
  content: '👥\AChưa có bạn bè nào\AHãy thêm bạn bè để bắt đầu chat!';
  display: block;
  text-align: center;
  padding: 40px 20px;
  color: var(--qm-text-muted, #9ca3af);
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-line;
}

/* Loading State */
.qm-friend-popup-list.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.qm-friend-popup-list.loading::before {
  content: '';
  width: 32px;
  height: 32px;
  border: 3px solid var(--qm-border-color, #e5e7eb);
  border-top: 3px solid var(--qm-accent-primary, #3b82f6);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Custom Styles for Specific Friend Popup Structure */
.qm-friend-popup-list .qm-friend-item .qm-friend-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.qm-friend-popup-list .qm-friend-item:hover .qm-friend-avatar img {
  border-color: var(--qm-accent-primary, #3b82f6);
}

/* Enhanced Meta Information Display */
.qm-friend-popup-list .qm-friend-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--qm-text-muted, #6b7280);
}

.qm-friend-popup-list .qm-online-status {
  color: var(--qm-success, #10b981);
  font-weight: 600;
}

.qm-friend-popup-list .qm-friend-separator {
  color: var(--qm-border-color, #e5e7eb);
  font-weight: bold;
}

.qm-friend-popup-list .qm-friend-type {
  color: var(--qm-text-muted, #6b7280);
}

/* Button Styling for Emoji Icons */
.qm-friend-popup-list .qm-friend-actions button[data-act="chat"] {
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qm-friend-popup-list .qm-friend-actions button[data-act="remove"] {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hover Effects for Better Interaction Feedback */
.qm-friend-popup-list .qm-friend-actions button:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.qm-friend-popup-list .qm-friend-actions button:active {
  transform: translateY(0) scale(0.95);
}

/* Avatar Fallback Styling */
.qm-friend-avatar-fallback {
  width: 100%;
  height: 100%;
  display: flex !important;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--qm-accent-primary, #3b82f6), #8b5cf6);
  color: white;
  font-weight: 600;
  font-size: 16px;
  border-radius: 50%;
}

/* Responsive Design */
@media (max-width: 480px) {
  .qm-friend-popup-list {
    margin: 0 10px;
  }
  
  .qm-friend-popup-list .qm-friend-item {
    padding: 12px 16px;
    gap: 12px;
  }
  
  .qm-friend-popup-list .qm-friend-avatar {
    width: 40px;
    height: 40px;
  }
  
  .qm-friend-popup-list .qm-friend-name {
    font-size: 15px;
  }
  
  .qm-friend-popup-list .qm-friend-actions button {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
}