body {
  font-family: sans-serif;
  margin: 40px;
  background: #f7f7f7;
}
.container {
  background: #fff;
  padding: 24px;
  border-radius: 8px;
  max-width: 480px;
  margin: auto;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
h1 {
  font-size: 2rem;
  margin-bottom: 12px;
}
.tool-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}
.tool-list li {
  margin-bottom: 18px;
}
.tool-list a {
  display: block;
  padding: 16px;
  background: #f0f4ff;
  border-radius: 6px;
  text-decoration: none;
  color: #222;
  transition: background 0.2s;
  border-left: 6px solid #5c9eff;
}
.tool-list a:hover {
  background: #e0eaff;
}
.tool-title {
  font-size: 1.1rem;
  font-weight: bold;
  display: block;
}
.tool-desc {
  font-size: 0.95rem;
  color: #555;
  display: block;
  margin-top: 4px;
}
#add-tool-btn {
  padding: 10px 20px;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 5px;
  border: none;
  background: #5c9eff;
  color: #fff;
  transition: background 0.2s;
}
#add-tool-btn:hover {
  background: #397be9;
}