* {
  margin: 0;
  padding: 0;
}

body {
  background-color: #f1f2f3;
}

.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1560px;
  min-width: 1240px;
  margin: 20px auto;
  color: #333;
}

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

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
}

header h1 {
  font-size: 2.2rem;
  margin-bottom: 10px;
}

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


.tool-container {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.controls {
  flex: 1;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.preview {
  flex: 1;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

.container label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #2c3e50;
}

.container input[type="text"],
.container input[type="number"],
.container select {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

.color-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-picker input[type="color"] {
  width: 50px;
  height: 30px;
  padding: 0;
  border: 1px solid #ddd;
}

.buttons {
  display: flex;
  gap: 15px;
  margin-top: 30px;
}

button {
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
  flex: 1;
}

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

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

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

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

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

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

.avatar-container {
  width: 420px;
  height: 420px;
  max-width: 800px;
  max-height: 800px;
  border: 1px solid #ddd;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: white;
}

.avatar-container img {
  max-width: 100%;
  max-height: 100%;
}

.hash-value {
  font-family: monospace;
  background-color: #f8f9fa;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid #eee;
  word-break: break-all;
  text-align: center;
}

.notice {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 12px 24px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1000;
}

.notice.show {
  opacity: 1;
}

footer {
  text-align: center;
  color: #7f8c8d;
  font-size: 15px;
}

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

.feature {
  flex: 1;
  padding: 20px;
  border-radius: 12px;
  background: #fff;
  text-align: center;
}

.feature h3{
  font-size: 18px;
  margin-bottom: 10px;
}
.feature-icon {
  font-size: 3em;
  margin-bottom: 15px;
}

.advanced-settings {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed #ddd;
}

.format-options {
  display: flex;
  gap: 25px;
  margin-bottom: 15px;
}

.format-option {
  display: flex;
  align-items: center;
}

.format-option input {
  margin-right: 8px;
}

.format-option label {
  margin-bottom: 0px;
}