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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: 10px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  padding: 30px;
}

h1 {
  color: #333;
  margin-bottom: 30px;
  text-align: center;
}

h2 {
  color: #555;
  font-size: 1.3em;
  margin-bottom: 15px;
  border-bottom: 2px solid #667eea;
  padding-bottom: 10px;
}

.form-section {
  margin-bottom: 40px;
}

#itemForm {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input[type="text"],
textarea {
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.3s;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 5px rgba(102, 126, 234, 0.3);
}

button {
  padding: 12px;
  background: #667eea;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
  font-weight: bold;
  transition: background 0.3s;
}

button:hover {
  background: #764ba2;
}

.items-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.item {
  background: #f8f9fa;
  border: 1px solid #e0e0e0;
  border-left: 4px solid #667eea;
  padding: 15px;
  border-radius: 5px;
  transition: all 0.3s;
}

.item:hover {
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.item-name {
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
  font-size: 1.1em;
}

.item-desc {
  color: #666;
  margin-bottom: 12px;
  font-size: 0.95em;
}

.item-actions {
  display: flex;
  gap: 10px;
}

.btn-edit,
.btn-delete {
  padding: 8px 12px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: bold;
  transition: all 0.3s;
}

.btn-edit {
  background: #17a2b8;
  color: white;
}

.btn-edit:hover {
  background: #138496;
}

.btn-delete {
  background: #dc3545;
  color: white;
}

.btn-delete:hover {
  background: #c82333;
}

.empty-message {
  text-align: center;
  color: #999;
  padding: 20px;
}