/* 前台样式文件 */

/* 基础样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --touch-target-size: 44px;
  --mobile-padding: 15px;
  --mobile-gap: 10px;
  --sidebar-width: 280px;
  --sidebar-mobile-width: 320px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* 侧边栏样式 */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 280px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  padding-bottom: 80px; /* 为退出登录按钮留出空间 */
}

.sidebar-header {
  padding: 30px 25px;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.sidebar-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-header p {
  color: #666;
  font-size: 0.9rem;
}

.nav-menu {
  padding: 20px 0;
}

.nav-item {
  margin: 0 15px 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 16px 20px;
  text-decoration: none;
  color: #555;
  border-radius: 12px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  transition: width 0.3s ease;
  z-index: -1;
}

.nav-link:hover::before,
.nav-link:active::before {
  width: 100%;
}

.nav-link:hover,
.nav-link:active {
  color: white;
  transform: translateX(5px);
}

.nav-link.active {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.nav-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

/* 退出登录按钮 */
.logout-btn {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.logout-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(220, 53, 69, 0.3);
}

/* 主内容区域 */
.main-content {
  margin-left: 280px;
  padding: 30px;
  min-height: 100vh;
  transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 移动端样式 */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
    max-width: 280px;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
    padding: 20px 15px;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .content-section {
    padding: 20px;
    margin-bottom: 20px;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .table-container {
    overflow-x: auto;
    border-radius: 8px;
  }
  
  table {
    min-width: 600px;
  }
  
  th, td {
    padding: 12px 8px;
    font-size: 0.9rem;
  }
  
  .btn {
    padding: 10px 16px;
    font-size: 14px;
    margin: 3px;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 15px 10px;
  }
  
  .content-section {
    padding: 15px;
  }
  
  .section-title {
    font-size: 1.3rem;
  }
  
  .sidebar-header {
    padding: 20px 15px;
  }
  
  .sidebar-header h2 {
    font-size: 1.3rem;
  }
  
  .nav-link {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  
  .nav-icon {
    font-size: 1rem;
  }
}

/* 移动端菜单按钮 */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: 8px;
  padding: 12px;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.mobile-toggle:active {
  transform: scale(0.95);
  background: rgba(255, 255, 255, 1);
}

/* 内容卡片样式 */
.content-section {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInUp 0.6s ease-out;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 25px;
  text-align: center;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 登录区域 */
.login-section {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  padding: 25px;
  border-radius: 15px;
  margin-bottom: 30px;
  border-left: 4px solid #dc3545;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.login-section h3 {
  color: #dc3545;
  margin-bottom: 20px;
  font-size: 1.3rem;
  font-weight: 700;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #2c3e50;
  font-size: 1rem;
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #e1e8ed;
  border-radius: 12px;
  font-size: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.form-group input:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn {
  padding: 12px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin: 5px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn.secondary {
  background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

.btn.danger {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

.btn.success {
  background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.btn.primary {
  background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

/* 状态徽章 */
.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.enabled {
  background: linear-gradient(135deg, #28a745, #20c997);
  color: white;
}

.status-badge.disabled {
  background: linear-gradient(135deg, #6c757d, #495057);
  color: white;
}

.status-badge.pending {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
  color: white;
}

/* 表格样式 */
.table-container {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 15px;
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 15px;
  border-bottom: 1px solid #e9ecef;
  vertical-align: middle;
}

tr:hover {
  background: rgba(102, 126, 234, 0.05);
}

/* 操作按钮 */
.action-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.action-btn.edit {
  background: linear-gradient(135deg, #17a2b8, #138496);
  color: white;
}

.action-btn.delete {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
}

.action-btn.view {
  background: linear-gradient(135deg, #6c757d, #495057);
  color: white;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 模态框样式 */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.modal-content {
  background: white;
  border-radius: 15px;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
  padding: 20px 25px;
  border-bottom: 1px solid #e9ecef;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border-radius: 15px 15px 0 0;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 600;
}

.close {
  font-size: 1.5rem;
  cursor: pointer;
  padding: 5px;
  border-radius: 50%;
  transition: background 0.3s ease;
}

.close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-body {
  padding: 25px;
}

.modal-footer {
  padding: 20px 25px;
  border-top: 1px solid #e9ecef;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  background: #f8f9fa;
  border-radius: 0 0 15px 15px;
}

/* 表单样式 */
.modal .form-group {
  margin-bottom: 20px;
}

.modal .form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #2c3e50;
}

.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e1e8ed;
  border-radius: 8px;
  font-size: 14px;
  transition: all 0.3s ease;
  background: white;
}

.modal .form-group input:focus,
.modal .form-group select:focus,
.modal .form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.modal textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}

/* 状态消息 */
.status-message {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 20px;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  z-index: 3000;
  animation: slideInRight 0.3s ease-out;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.status-success {
  background: linear-gradient(135deg, #28a745, #20c997);
}

.status-error {
  background: linear-gradient(135deg, #dc3545, #c82333);
}

.status-warning {
  background: linear-gradient(135deg, #ffc107, #fd7e14);
}

.status-info {
  background: linear-gradient(135deg, #17a2b8, #138496);
}

/* 配置卡片 */
.config-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.config-card:hover {
  transform: translateY(-3px);
}

.config-card h3 {
  color: #2c3e50;
  margin-bottom: 15px;
  font-size: 1.3rem;
  font-weight: 600;
}

.config-card p {
  color: #666;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* 友情链接网格 */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.link-item {
  background: white;
  border-radius: 15px;
  padding: 20px;
  text-decoration: none;
  color: #333;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.link-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  color: #667eea;
}

.link-logo {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 10px;
}

.link-placeholder {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.link-name {
  font-weight: 600;
  font-size: 1rem;
}

/* 在线客服样式 */
.customer-service-content {
  max-width: 800px;
  margin: 0 auto;
}

.chat-window {
  background: white;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-bottom: 20px;
}

.chat-header {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.1rem;
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #28a745;
  animation: pulse 2s infinite;
}

.status-indicator.online {
  background: #28a745;
}

.status-indicator.offline {
  background: #dc3545;
}

.chat-actions {
  display: flex;
  gap: 10px;
}

.action-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.chat-messages {
  height: 400px;
  overflow-y: auto;
  padding: 20px;
  background: #f8f9fa;
}

.message {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

.message.user {
  align-items: flex-end;
}

.message.system {
  align-items: flex-start;
}

.message-content {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 15px;
  font-size: 0.9rem;
  line-height: 1.4;
}

.message.user .message-content {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border-bottom-right-radius: 5px;
}

.message.system .message-content {
  background: white;
  color: #333;
  border: 1px solid #e9ecef;
  border-bottom-left-radius: 5px;
}

.message-time {
  font-size: 0.8rem;
  color: #666;
  margin-top: 5px;
}

.chat-input-area {
  padding: 20px;
  background: white;
  border-top: 1px solid #e9ecef;
}

.chat-input-container {
  display: flex;
  gap: 10px;
}

.chat-input {
  flex: 1;
  padding: 12px 16px;
  border: 2px solid #e1e8ed;
  border-radius: 25px;
  font-size: 0.9rem;
  transition: border-color 0.3s ease;
}

.chat-input:focus {
  outline: none;
  border-color: #667eea;
}

.send-btn {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
}

.send-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/* 响应式设计 */
@media (max-width: 768px) {
  .links-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
  }
  
  .link-item {
    padding: 15px;
  }
  
  .link-logo,
  .link-placeholder {
    width: 50px;
    height: 50px;
  }
  
  .chat-messages {
    height: 300px;
  }
  
  .message-content {
    max-width: 85%;
  }
}

@media (max-width: 480px) {
  .links-grid {
    grid-template-columns: 1fr;
  }
  
  .chat-input-container {
    flex-direction: column;
  }
  
  .send-btn {
    width: 100%;
  }
}