/* 好友页面 - 简洁现代设计 */

.friends-container {
  height: 100vh;
  background-color: #f5f5f5;
  display: flex;
  flex-direction: column;
}

/* 导航栏 */
.nav-bar {
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  height: 44px;
}

.nav-left {
  flex: 1;
}

.nav-title {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  line-height: 1.2;
}

.nav-subtitle {
  font-size: 12px;
  color: #999;
  margin-top: 2px;
}

.nav-actions {
  display: flex;
  gap: 8px;
}

.nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 18px;
  background-color: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.nav-btn:active {
  background-color: #e0e0e0;
  transform: scale(0.95);
}

.nav-icon {
  font-size: 16px;
}

/* 内容区域 */
.content-area {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f5f5f5;
}

/* 搜索栏 */
.search-section {
  padding: 12px 16px;
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.search-bar {
  position: relative;
  background-color: #f0f0f0;
  border-radius: 20px;
  padding: 0 16px;
}

.search-input {
  height: 36px;
  font-size: 14px;
  color: #333;
}

.search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border-radius: 10px;
  background-color: #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clear-icon {
  font-size: 12px;
  color: #fff;
}

/* 功能入口 */
.function-section {
  background-color: #fff;
  margin-bottom: 12px;
}

.function-item {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.2s ease;
}

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

.function-item:active {
  background-color: #f8f8f8;
}

.function-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  position: relative;
}

.function-icon.new-friends {
  background-color: #4CAF50;
}

.function-icon.groups {
  background-color: #2196F3;
}

.icon-text {
  font-size: 20px;
  color: #fff;
}

.badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  background-color: #ff4444;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #fff;
  font-weight: 600;
  border: 2px solid #fff;
}

.function-info {
  flex: 1;
}

.function-title {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-bottom: 2px;
}

.function-desc {
  font-size: 12px;
  color: #999;
}

.function-arrow {
  font-size: 18px;
  color: #ccc;
}

/* 好友列表 */
.friends-section {
  background-color: #fff;
}

.section-header {
  padding: 12px 16px 8px 16px;
  background-color: #f8f8f8;
  border-bottom: 1px solid #e5e5e5;
}

.section-title {
  font-size: 14px;
  color: #666;
  font-weight: 500;
}

.friends-list {
  background-color: #fff;
}

.friend-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.2s ease;
}

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

.friend-item:active {
  background-color: #f8f8f8;
}

/* 头像 */
.friend-avatar {
  width: 48px;
  height: 48px;
  border-radius: 24px;
  margin-right: 12px;
  position: relative;
  overflow: hidden;
}

.avatar-img {
  width: 100%;
  height: 100%;
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea, #764ba2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-text {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
}

.online-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 12px;
  height: 12px;
  border-radius: 6px;
  background-color: #ccc;
  border: 2px solid #fff;
}

.online-dot.online {
  background-color: #4CAF50;
}

/* 好友信息 */
.friend-info {
  flex: 1;
  min-width: 0;
}

.friend-name {
  font-size: 16px;
  font-weight: 500;
  color: #333;
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.friend-status {
  font-size: 12px;
  color: #999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 操作按钮 */
.friend-actions {
  display: flex;
  gap: 8px;
}

.action-btn {
  width: 32px;
  height: 32px;
  border-radius: 16px;
  background-color: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.action-btn:active {
  background-color: #e0e0e0;
  transform: scale(0.9);
}

.action-icon {
  font-size: 14px;
}

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 32px;
  text-align: center;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

.empty-desc {
  font-size: 14px;
  color: #999;
  margin-bottom: 24px;
}

.empty-btn {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #fff;
  padding: 12px 24px;
  border-radius: 20px;
  transition: all 0.2s ease;
}

.empty-btn:active {
  transform: scale(0.95);
}

.btn-text {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

/* 加载状态 */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid #f0f0f0;
  border-top: 3px solid #667eea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 12px;
}

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

.loading-text {
  font-size: 14px;
  color: #999;
}

/* 响应式设计 */
@media (max-width: 375px) {
  .nav-content {
    padding: 8px 12px;
  }
  
  .function-item,
  .friend-item {
    padding: 12px;
  }
  
  .friend-avatar {
    width: 44px;
    height: 44px;
    border-radius: 22px;
  }
  
  .avatar-text {
    font-size: 16px;
  }
}