/* 导航页面样式 */
.navigation-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.navigation-category {
  animation: slideUp 0.4s ease-out;
}

.category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--accent-glow);
  border-radius: 8px;
}

.category-icon svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
}

.navigation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.navigation-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-decoration: none;
  color: inherit;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.navigation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.navigation-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.navigation-card:hover::before {
  transform: scaleX(1);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-favicon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: contain;
  background: white;
  padding: 4px;
}

.card-status {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  position: relative;
}

.card-status.online {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.card-status.offline {
  background: var(--danger);
}

.card-status.online::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: var(--success);
  opacity: 0.3;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.card-content {
  flex: 1;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
  transition: color var(--transition);
}

.navigation-card:hover .card-title {
  color: var(--accent);
}

.card-description {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-url {
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

.card-arrow {
  width: 20px;
  height: 20px;
  color: var(--fg-muted);
  transition: all var(--transition);
}

.navigation-card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* 加载状态 */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 60px;
  color: var(--fg-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* 空状态 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 40px;
  text-align: center;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  color: var(--fg-muted);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: 1.25rem;
  color: var(--fg);
}

.empty-state p {
  color: var(--fg-muted);
}

/* 动画 */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.4s ease-out forwards;
  opacity: 0;
}

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

/* 响应式 */
@media (max-width: 768px) {
  .navigation-grid {
    grid-template-columns: 1fr;
  }
}

.navigation-card-wrapper {
  position: relative;
}

.card-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}

.navigation-card-wrapper:hover .card-actions {
  opacity: 1;
}

.action-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: none;
  background: rgba(0,0,0,0.7);
  color: var(--fg-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.action-btn svg {
  width: 14px;
  height: 14px;
}

.action-btn:hover {
  background: rgba(59, 130, 246, 0.9);
  color: white;
}

.action-btn.delete-btn:hover {
  background: rgba(239, 68, 68, 0.9);
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow: auto;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  margin: 0;
  color: var(--fg);
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--fg);
}

.modal-body {
  padding: 24px;
}

.modal-body .form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.modal-body label {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-body input,
.modal-body textarea {
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.2);
  color: var(--fg);
  font-size: 14px;
  font-family: var(--font-body);
  outline: none;
  transition: all var(--transition);
}

.modal-body input::placeholder,
.modal-body textarea::placeholder {
  color: var(--fg-muted);
}

.modal-body input:focus,
.modal-body textarea:focus {
  border-color: var(--accent);
  background: rgba(0,0,0,0.3);
}

.modal-body textarea {
  min-height: 80px;
  resize: vertical;
}

.modal-footer {
  display: flex;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.modal-footer button {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.modal-error {
  padding: 0 24px 16px;
  color: var(--danger);
  font-size: 12px;
  display: none;
}

.modal-error.show {
  display: block;
}

.upload-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 16px;
  background: rgba(0,0,0,0.1);
}

.upload-area:hover {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}

.upload-area.drag-over {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.15);
  transform: scale(1.02);
}

.upload-area svg {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

.upload-area-content svg {
  width: 48px;
  height: 48px;
  color: var(--accent);
  margin-bottom: 16px;
}

.upload-area p {
  margin: 0;
  color: var(--fg);
  font-size: 14px;
}

.upload-area-content p {
  margin: 0;
  color: var(--fg);
  font-size: 14px;
}

.upload-hint {
  color: var(--fg-muted) !important;
  font-size: 12px !important;
  margin-top: 8px !important;
}

.file-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.file-info svg {
  width: 32px;
  height: 32px;
}

.file-name {
  display: block;
  font-size: 14px;
  color: var(--fg);
  font-weight: 500;
}

.file-size {
  display: block;
  font-size: 12px;
  color: var(--fg-muted);
}

.upload-progress {
  margin-top: 16px;
}

.progress-bar {
  height: 6px;
  background: rgba(0,0,0,0.3);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-text {
  font-size: 12px;
  color: var(--fg-muted);
}