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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #ffffff;
  color: #1f2937;
  min-height: 100vh;
  padding: 2.5rem 2rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 0.5rem;
}

.breadcrumb {
  font-size: 1.15rem;
  font-weight: 600;
  color: #111827;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.breadcrumb .home {
  font-weight: 700;
}

.breadcrumb .slash {
  color: #6b7280;
  font-weight: 400;
}

.search-box input {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  padding: 0.45rem 0.85rem;
  font-size: 0.875rem;
  color: #374151;
  outline: none;
  width: 180px;
  transition: all 0.15s ease;
  font-family: inherit;
}

.search-box input:focus {
  background-color: #ffffff;
  border-color: #9ca3af;
  box-shadow: 0 0 0 2px rgba(156, 163, 175, 0.15);
  width: 220px;
}

.search-box input::placeholder {
  color: #9ca3af;
}

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

.project-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.1rem;
  background-color: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  text-decoration: none;
  color: #374151;
  font-size: 0.925rem;
  font-weight: 500;
  transition: all 0.15s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.project-item:hover {
  background-color: #f9fafb;
  border-color: #d1d5db;
  color: #111827;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.folder-icon {
  color: #6b7280;
  flex-shrink: 0;
  transition: color 0.15s ease;
}

.project-item:hover .folder-icon {
  color: #4b5563;
}

.project-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

@media (max-width: 640px) {
  body {
    padding: 1.5rem 1rem;
  }

  .header {
    flex-direction: row;
    gap: 1rem;
  }

  .search-box input {
    width: 140px;
  }

  .search-box input:focus {
    width: 160px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}