/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f9f9f9;
  color: #333;
}

/* Header */
.glossary-header {
  text-align: center;
  padding: 2rem 1rem;
  background: linear-gradient(135deg, #4a90e2, #357abd);
  color: white;
}
.glossary-header h1 {
  font-size: 2.5rem;
}
.glossary-header p {
  margin: 0.5rem 0 1rem;
}
.glossary-header input {
  padding: 10px;
  width: 90%;
  max-width: 400px;
  border: none;
  border-radius: 5px;
  font-size: 1rem;
}
.glossary-header input:focus {
  outline: none;
  box-shadow: 0 0 5px rgba(74, 144, 226, 0.5);
}


/* Alphabet Navigation */
.alphabet-nav {
  text-align: center;
  padding: 1rem;
  background: #eef3f9;
}
.alphabet-nav a {
  margin: 0 0.3rem;
  text-decoration: none;
  color: #357abd;
  font-weight: bold;
  transition: color 0.3s ease;
}
.alphabet-nav a:hover {
  color: #1e5a9e;
  text-decoration: underline;
}


/* Glossary Items */
.glossary-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}
.glossary-item {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.glossary-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}
.glossary-item h2 {
  color: #357abd;
  margin-bottom: 0.5rem;
}
.glossary-item p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}
.glossary-item small {
  display: block;
  font-size: 0.85rem;
  color: #666;
}
.glossary-item a {
  color: #4a90e2;
  text-decoration: none;
}
.glossary-item a:hover {
  text-decoration: underline;
}
/* Search Functionality */
.glossary-header input[type="text"] {
  width: 80%;
  max-width: 500px;
}


/* Search Results */
.glossary-item {
  display: none;
}
.glossary-item.visible {
  display: block;
}

/* Footer */
.glossary-footer {
  text-align: center;
  padding: 1rem;
  background: #357abd;
  color: white;
}

/* Responsive */
@media (max-width: 768px) {
  .glossary-header h1 {
    font-size: 2rem;
  }
}
@media (max-width: 480px) {
  .glossary-header input {
    width: 100%;
  }
  .glossary-item {
    padding: 1rem;
  }
  .glossary-item h2 {
    font-size: 1.2rem;
  }
}