* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  max-width: 1640px;
  min-width: 1240px;
  width: 100%;
  margin: 25px auto;
  color: #333;
}

.container * {
  box-sizing: border-box;
}

header {
  margin-bottom: 25px;
  text-align: center;
}

header h1 {
  font-size: 2.1rem;
  margin-bottom: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}

header p {
  font-size: 1rem;
  opacity: 0.9;
}

.container  h2{
  font-size: 22px;
  line-height: 1;
  margin-bottom: 15px;
}

.generator-section {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.control-panel,.result-panel {
  flex: 1;
  background-color: #fff;
  padding: 20px;
  border-radius: 6px;
  border: 1px solid #ddd;
}

.result-panel h3{
  line-height: 1;
  margin-bottom: 15px;
  font-size: 20px;
}

.form-group {
  margin-bottom: 15px;
}

.result-panel .form-group{
  margin-bottom: 0px;
}
.result-panel .form-group label{
  margin-bottom: 0px;
  font-weight: normal;
  font-size: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

.container input[type="text"],
.container input[type="number"],
.container select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 15px;
  box-sizing: border-box;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 20px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-item label{
  margin-bottom: 0;
  font-weight: normal;
}

.buttons {
  margin-top: 20px;
  display: flex;
  gap: 10px;
}

button {
  flex: 1;
  padding: 14px;
  font-size: 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.2s;
}

.btn-generate {
  background-color: #3498db;
  color: white;
}

.btn-generate:hover {
  background-color: #2980b9;
}

.btn-export {
  background-color: #2ecc71;
  color: white;
}

.btn-export:hover {
  background-color: #27ae60;
}

.btn-copy {
  background-color: #9b59b6;
  color: white;
}

.btn-copy:hover {
  background-color: #8e44ad;
}

.btn-clear {
  background-color: #e74c3c;
  color: white;
}

.btn-clear:hover {
  background-color: #c0392b;
}

textarea {
  width: 100%;
  height: 510px;
  padding: 10px;
  font-size: 14px;
  line-height: 1.5;
  border: 1px solid #ddd;
  border-radius: 4px;
  resize: none;
  outline: none;
  font-family: monospace;
}

.notice {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
  display: none;
  z-index: 1000;
}

.features {
  margin-bottom: 20px;
}

.features ul,.features ol{
  padding-left: 25px;
}
.features li{
  margin-top: 10px;
}

.features h3 {
  color: #2c3e50;
  font-size: 17px;
  margin-top: 15px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}

.feature-item {
  background-color: #fff;
  padding: 15px;
  border-radius: 6px;
  border-left: 4px solid #3498db;
}

.features .feature-item h3 {
  margin-bottom: 10px;
  margin-top: 0;
}

.warp-box{
  background: #fff;
  padding: 20px;
  border-radius: 10px;
}

footer {
  text-align: center;
  color: #7f8c8d;
  font-size: 14px;
}

.type-selector {
  margin-bottom: 20px;
}

.type-options {
  display: none;
  padding: 15px;
  background-color: #f0f0f0;
  border-radius: 4px;
  margin-top: 10px;
}

.type-options .form-group:last-child{
  margin-bottom: 0;
}

.type-options.active {
  display: block;
}

.type-tabs {
  display: flex;
  border-bottom: 1px solid #ddd;
  margin-bottom: 15px;
}

.type-tab {
  padding: 10px 30px;
  cursor: pointer;
  background-color: #eee;
  border: 1px solid #ddd;
  border-bottom: none;
  margin-right: 10px;
  border-radius: 4px 4px 0 0;
}

.type-tab.active {
  background-color: white;
  border-bottom: 1px solid white;
  margin-bottom: -1px;
  font-weight: bold;
}