@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #f8fcff;
  --bg-secondary: #e6f4ff;
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #60a5fa;
  --color-border: #e5e7eb;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-white: #ffffff;
  --color-gold: #f59e0b;
  --color-red: #ef4444;
  --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
}

html {
  overflow-y: scroll;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--color-text);
  line-height: 1.6;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

code, pre {
  font-family: 'JetBrains Mono', monospace;
}

.hidden {
  display: none !important;
}

.container {
  min-height: 100vh;
}

.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.login-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-medium);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  border: 1px solid var(--color-border);
}

.login-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.login-card p {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

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

.form-group input.error {
  border-color: var(--color-red);
}

.error-message {
  color: var(--color-red);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-medium);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: rgba(59, 130, 246, 0.1);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-danger {
  background-color: var(--color-red);
  color: var(--color-white);
}

.btn-danger:hover {
  background-color: #dc2626;
}

.auth-switch {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.auth-switch a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.main-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

.search-container {
  flex: 1;
  max-width: 500px;
  margin: 0 2rem;
}

.search-box {
  width: 100%;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  font-size: 0.875rem;
  background-color: var(--bg-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.search-box:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background-color: var(--color-white);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--color-border);
  padding: 0.5rem 0;
  min-width: 160px;
  display: none;
}

.dropdown-menu.active {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s;
}

.dropdown-item:hover {
  background-color: var(--bg-secondary);
}

.user-menu {
  position: relative;
}

.user-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.main-content {
  display: flex;
  flex: 1;
  justify-content: center;
}

.sidebar {
  display: none;
}

.category-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.category-title:hover {
  background-color: var(--bg-primary);
}

.category-title span {
  font-size: 0.625rem;
}

.category-items {
  list-style: none;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  text-decoration: none;
}

.category-item:hover {
  background-color: var(--bg-secondary);
  color: var(--color-primary);
}

.category-item.active {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  font-weight: 500;
}

.category-item-icon {
  font-size: 1.125rem;
}

.category-item.hidden {
  display: none;
}

.content-area {
  flex: 1;
  padding: 0.5rem 1rem 3rem;
  overflow-y: auto;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.content-area.content-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.favorites-bar {
  margin-bottom: 1.5rem;
  width: 100%;
}

.favorites-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.favorites-container {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
}

.favorites-container::-webkit-scrollbar {
  height: 6px;
}

.favorites-container::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: 3px;
}

.favorites-container::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.favorites-container::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

.favorite-card {
  flex-shrink: 0;
  width: 140px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.favorite-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.favorite-card-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.favorite-card-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text);
}

.favorites-empty {
  padding: 2rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, 280px);
  gap: 1.25rem;
  justify-content: center;
  width: 100%;
}

.tool-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
  width: 100%;
  max-width: 280px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.tool-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.tool-card-icon {
  font-size: 2rem;
}

.tool-card-favorite {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}

.tool-card-favorite:hover {
  color: var(--color-gold);
}

.tool-card-favorite.favorited {
  color: var(--color-gold);
}

.tool-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}

.tool-card-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.highlight {
  background-color: rgba(59, 130, 246, 0.2);
  color: var(--color-primary);
  font-weight: 500;
  padding: 0 2px;
  border-radius: 2px;
}

.placeholder-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: calc(100vh - 200px);
  text-align: center;
  padding: 2rem;
  max-width: 800px;
  width: 100%;
}

.placeholder-back-btn {
  align-self: flex-start;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 2rem;
}

.placeholder-back-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.placeholder-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.placeholder-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.placeholder-id {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-secondary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.placeholder-message {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-top: 1rem;
  max-width: 400px;
}

.placeholder-category {
  margin-bottom: 1rem;
}

.category-badge {
  font-size: 0.75rem;
  color: var(--color-primary);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-weight: 500;
}

.placeholder-detailed {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 1.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius);
}

.placeholder-info {
  margin-bottom: 1rem;
}

.placeholder-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: 1rem;
}

.status-icon {
  font-size: 1rem;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  width: 100%;
  max-width: 450px;
  box-shadow: var(--shadow-hover);
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-text-secondary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 2000;
  animation: slideIn 0.3s ease-out;
}

.toast.success {
  background: #dcfce7;
  color: #166534;
}

.toast.error {
  background: #fee2e2;
  color: #991b1b;
}

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

@media (max-width: 768px) {
  .search-container {
    margin: 0 0.5rem;
    max-width: none;
  }
  
  .user-name {
    display: none;
  }
  
  .content-area {
    padding: 0.5rem 0.75rem 2rem;
  }
  
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.75rem;
  }
  
  .tool-card {
    min-height: 160px;
    padding: 1rem;
  }
  
  .tool-card-icon {
    font-size: 1.5rem;
  }
  
  .tool-card-title {
    font-size: 0.875rem;
  }
  
  .tool-card-description {
    font-size: 0.75rem;
  }
  
  .favorites-container {
    flex-direction: row;
    overflow-x: auto;
  }
  
  .favorite-card {
    width: 120px;
    flex-shrink: 0;
    flex-direction: column;
    justify-content: center;
    gap: 0.5rem;
    text-align: center;
    padding: 0.75rem;
  }
  
  .favorite-card-icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
  }
  
  .favorite-card-name {
    font-size: 0.7rem;
  }
  
  .login-card {
    margin: 1rem;
    padding: 1.5rem;
  }
  
  .topbar {
    padding: 0.75rem 1rem;
  }
  
  .logo span {
    display: none;
  }
  
  .placeholder-page {
    padding: 1rem;
    min-height: auto;
  }
  
  .placeholder-icon {
    font-size: 3rem;
  }
  
  .placeholder-title {
    font-size: 1.25rem;
  }
  
  .placeholder-detailed {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .tool-card {
    max-width: 100%;
    min-height: 140px;
  }
  
  .search-container {
    display: none;
  }
  
  .topbar-left {
    gap: 0.5rem;
  }
  
  .favorites-bar {
    margin-bottom: 1rem;
  }
  
  .favorites-header {
    font-size: 0.75rem;
  }
}

.admin-container {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 250px;
  background: var(--color-white);
  border-right: 1px solid var(--color-border);
  padding: 1.5rem 0;
  flex-shrink: 0;
}

.admin-sidebar-header {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1rem;
}

.admin-sidebar-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

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

.admin-menu-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  text-decoration: none;
}

.admin-menu-item:hover {
  background-color: var(--bg-secondary);
  color: var(--color-primary);
}

.admin-menu-item.active {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
  font-weight: 500;
}

.admin-menu-item-icon {
  font-size: 1.125rem;
}

.admin-content {
  flex: 1;
  padding: 1.5rem;
  background: var(--bg-primary);
  overflow-y: auto;
}

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

.admin-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
}

.admin-back-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.admin-back-link:hover {
  text-decoration: underline;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-card-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.stat-card-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.stat-card-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background: var(--bg-primary);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background-color: var(--bg-secondary);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.role-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.role-badge.admin {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-red);
}

.role-badge.user {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
}

.table-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-icon {
  padding: 0.375rem 0.625rem;
  font-size: 0.75rem;
}

.select-field {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--color-white);
  outline: none;
  cursor: pointer;
}

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

.page-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-secondary);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .admin-container {
    flex-direction: column;
  }
  
  .admin-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
  }
  
  .admin-sidebar-header {
    padding: 0 0 1rem;
    margin-bottom: 0;
  }
  
  .admin-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .admin-menu-item {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-size: 0.8rem;
  }
  
  .admin-content {
    padding: 1rem;
  }
  
  .admin-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .admin-header h1 {
    font-size: 1.25rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .stat-card {
    padding: 1rem;
  }
  
  .stat-card-icon {
    font-size: 1.5rem;
  }
  
  .stat-card-value {
    font-size: 1.5rem;
  }
  
  .page-title {
    font-size: 1rem;
  }
  
  .data-table {
    font-size: 0.75rem;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .data-table th,
  .data-table td {
    padding: 0.5rem 0.75rem;
    white-space: nowrap;
  }
  
  .table-actions {
    flex-direction: row;
    gap: 0.25rem;
  }
  
  .btn-icon {
    padding: 0.3rem 0.5rem;
    font-size: 0.7rem;
  }
  
  .modal-content {
    margin: 1rem;
    max-width: calc(100% - 2rem);
  }
  
  .toast {
    top: auto;
    bottom: 20px;
    right: 20px;
    left: 20px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .admin-menu-item span:last-child {
    display: none;
  }
  
  .admin-menu-item {
    padding: 0.5rem 0.75rem;
  }
}

/* ==================== 工具权限管理样式 ==================== */

.tool-checkbox-col {
  width: 40px;
}

.perm-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.perm-badge.all {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary);
}

.perm-badge.specific {
  background-color: rgba(245, 158, 11, 0.1);
  color: #b45309;
}

.btn-set-perm {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}

.btn-set-perm:hover {
  background-color: var(--bg-secondary);
}

.btn-edit-id {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.125rem 0.375rem;
  cursor: pointer;
  font-size: 0.75rem;
  margin-left: 0.375rem;
  transition: background-color 0.2s;
}

.btn-edit-id:hover {
  background-color: var(--bg-secondary);
}

.user-id-display {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
}

/* ==================== 用户选择器样式 ==================== */

.user-selector {
  padding: 0.5rem 0;
}

.user-search-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

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

.user-search-results {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  max-height: 200px;
  overflow-y: auto;
  background: var(--color-white);
  margin-top: 0.25rem;
}

.user-search-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: background-color 0.15s;
  font-size: 0.875rem;
}

.user-search-item:hover {
  background-color: var(--bg-secondary);
}

.user-search-item.selected,
.user-search-item:active {
  background-color: rgba(59, 130, 246, 0.1);
}

.selected-users-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.selected-user-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.remove-user {
  cursor: pointer;
  color: var(--color-text-secondary);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
}

.remove-user:hover {
  color: var(--color-red);
}

/* ==================== 批量选择操作栏 ==================== */

.batch-actions-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0;
  margin-bottom: 1rem;
}

.batch-actions-bar .btn.disabled,
.batch-actions-bar .btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}