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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: #F3F4F6;
  color: #111827;
  line-height: 1.6;
}

/* 主容器布局 */
.container {
  display: flex;
  min-height: 100vh;
}

/* 左侧导航栏 */
.sidebar {
  width: 260px;
  background-color: white;
  border-right: 1px solid #E5E7EB;
  padding: 1.5rem;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  margin-bottom: 2rem;
}

.sidebar-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #1E40AF;
}

.nav-menu {
  list-style: none;
}

.nav-item {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: #6B7280;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
}

.nav-link:hover {
  background-color: #EFF6FF;
  color: #1E40AF;
}

.nav-link.active {
  background-color: #EFF6FF;
  color: #1E40AF;
  font-weight: 500;
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: #1E40AF;
  border-radius: 0 4px 4px 0;
}

.nav-link i {
  margin-right: 0.75rem;
  font-size: 1.125rem;
}

/* 右侧内容区 */
.main-content {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
}

/* 顶部工具栏 */
.top-bar {
  background-color: white;
  border-bottom: 1px solid #E5E7EB;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50pt;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info span {
  font-size: 0.875rem;
  color: #6B7280;
}

.tool-buttons {
  display: flex;
  gap: 0.5rem;
}

.tool-btn {
  background: none;
  border: none;
  padding: 0.5rem;
  border-radius: 0.375rem;
  color: #6B7280;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tool-btn:hover {
  background-color: #F3F4F6;
  color: #1E40AF;
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  overflow: hidden;
}

.tool-btn .btn-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.3s ease;
  max-width: 0;
  flex: 1;
  min-width: 0;
}

.tool-btn:hover .btn-text {
  max-width: 100px;
}

@media (max-width: 768px) {
  .tool-btn .btn-text {
    display: none;
  }
  
  .tool-btn {
    padding: 0.375rem;
  }
}

/* 页面内容 */
.page-content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: #111827;
}

.page-subtitle {
  font-size: 1.125rem;
  color: #6B7280;
  margin-bottom: 2rem;
}

/* 卡片样式 */
.card {
  background-color: white;
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #111827;
}

/* 按钮样式 */
.btn {
  padding: 0.625rem 1.25rem;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 0.875rem;
}

.btn-primary {
  background-color: #1E40AF;
  color: white;
}

.btn-primary:hover {
  background-color: #1E3A8A;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  background-color: white;
  color: #1E40AF;
  border: 1px solid #E5E7EB;
}

.btn-secondary:hover {
  background-color: #F3F4F6;
  border-color: #D1D5DB;
}

.btn-danger {
  background-color: #EF4444;
  color: white;
  border: none;
  padding: 0.625rem 1.25rem;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

.btn-danger:hover {
  background-color: #DC2626;
  transform: translateY(-1px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 功能卡片网格 */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  background-color: white;
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
  color: #111827;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.15);
}

.feature-card i {
  font-size: 2rem;
  color: #1E40AF;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: #6B7280;
  font-size: 0.875rem;
}

/* 表单样式 */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: #1E40AF;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #E5E7EB;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  background-color: white;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-select:focus {
  outline: none;
  border-color: #1E40AF;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* 选择框选项卡样式 */
.form-select option {
  padding: 0.75rem;
  font-size: 0.875rem;
  color: #374151;
  background-color: white;
  transition: all 0.2s ease;
}

.form-select option:hover {
  background-color: #EFF6FF;
  color: #1E40AF;
}

.form-select option:checked {
  background-color: #1E40AF;
  color: white;
  font-weight: 500;
}

.form-select option[value="-1"] {
  color: #9CA3AF;
  font-style: italic;
}

/* 表格样式 */
.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.table th {
  text-align: left;
  padding: 0.75rem 1rem;
  background-color: #F9FAFB;
  border-bottom: 2px solid #E5E7EB;
  font-weight: 600;
  font-size: 0.875rem;
  color: #374151;
}

.table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #E5E7EB;
  font-size: 0.875rem;
}

.table tr:hover {
  background-color: #F9FAFB;
}

/* 标签样式 */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 11pt;
  font-weight: 500;
}

.badge-pending {
  background-color: #FEF3C7;
  color: #92400E;
}

.badge-rejected {
  background-color: #FEE2E2;
  color: #991B1B;
}

.badge-approved {
  background-color: #D1FAE5;
  color: #065F46;
}

/* 底部版权信息 */
.footer {
  background-color: white;
  border-top: 1px solid #E5E7EB;
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: #6B7280;
  margin-top: auto;
}

/* 响应式布局 */
@media (max-width: 1024px) {
  .sidebar {
    width: 220px;
  }
  
  .main-content {
    margin-left: 220px;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid #E5E7EB;
    padding: 1rem;
  }
  
  .sidebar-header h1 {
    font-size: 1.25rem;
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .page-content {
    padding: 1rem;
  }
  
  .top-bar {
    padding: 1rem;
  }
  
  .user-info span {
    font-size: 0.75rem;
  }
  
  .tool-btn {
    padding: 0.375rem;
  }
  
  .page-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .page-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .card {
    padding: 1.25rem;
    margin-bottom: 1.25rem;
  }
  
  .card-title {
    font-size: 1.125rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }
  
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-input {
    padding: 0.625rem;
    font-size: 0.8125rem;
  }
  
  .table th,
  .table td {
    padding: 0.625rem 0.75rem;
    font-size: 0.8125rem;
  }
  
  .badge {
    padding: 0.25rem 0.625rem;
    font-size: 0.7rem;
  }
  
  .award-card {
    padding: 2rem 1.5rem;
  }
  
  .award-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
  
  .award-title {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
  }
  
  .award-description {
    font-size: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .file-item {
    padding: 0.625rem;
  }
  
  .file-item span {
    font-size: 0.8125rem;
  }
  
  .identity-cards {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }
  
  .identity-card {
    padding: 1.25rem;
  }
  
  .alert {
    padding: 0.875rem;
    margin-bottom: 1.25rem;
    font-size: 0.8125rem;
  }
  
  /* 移动端表格处理 */
  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* 移动端布局容器调整 */
  .container {
    flex-direction: column;
  }
  
  /* 移动端 iframe 容器调整 */
  .iframe-container {
    flex: 1;
    overflow: hidden;
  }
}

@media (max-width: 480px) {
  .sidebar {
    padding: 0.75rem;
  }
  
  .sidebar-header h1 {
    font-size: 1.125rem;
  }
  
  .nav-link {
    padding: 0.625rem 0.75rem;
  }
  
  .nav-link i {
    font-size: 1rem;
    margin-right: 0.5rem;
  }
  
  .page-content {
    padding: 0.75rem;
  }
  
  .top-bar {
    padding: 0.75rem;
  }
  
  .card {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.4375rem 0.875rem;
  }
  
  .form-input {
    padding: 0.5rem;
  }
  
  .award-card {
    padding: 1.5rem 1rem;
  }
  
  .award-icon {
    font-size: 2.5rem;
  }
  
  .award-title {
    font-size: 1.25rem;
  }
}

/* 辅助类 */
.text-center {
  text-align: center;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mt-4 {
  margin-top: 1rem;
}

.d-flex {
  display: flex;
}

.justify-between {
  justify-content: space-between;
}

.align-center {
  align-items: center;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.w-full {
  width: 100%;
}

/* 荣誉卡片样式 */
.award-card {
  text-align: center;
  padding: 3rem 2rem;
}

.award-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  color: #F59E0B;
}

.award-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #111827;
}

.award-description {
  font-size: 1.125rem;
  color: #6B7280;
  margin-bottom: 2rem;
}

/* 下载文件列表 */
.file-list {
  margin-top: 1.5rem;
}

.file-item {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  border-radius: 0.375rem;
  transition: background-color 0.2s ease;
}

.file-item:hover {
  background-color: #F3F4F6;
}

.file-item i {
  margin-right: 0.75rem;
  color: #1E40AF;
}

.file-item span {
  font-size: 0.875rem;
  color: #374151;
}

/* 身份选择卡片 */
.identity-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.identity-card {
  background-color: white;
  border: 2px solid #E5E7EB;
  border-radius: 0.75rem;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.identity-card:hover {
  border-color: #1E40AF;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.identity-card.selected {
  border-color: #1E40AF;
  background-color: #EFF6FF;
}

.identity-card input[type="radio"] {
  margin-right: 0.75rem;
}

.identity-card label {
  font-weight: 500;
  cursor: pointer;
}

/* 复制按钮 */
.copy-btn {
  background: none;
  border: none;
  color: #6B7280;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background-color: #F3F4F6;
  color: #1E40AF;
}

/* 提示文字 */
.alert {
  padding: 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.alert-info {
  background-color: #EFF6FF;
  color: #1E40AF;
  border: 1px solid #DBEAFE;
}

.alert-warning {
  background-color: #FEF3C7;
  color: #92400E;
  border: 1px solid #FDE68A;
}