* {
  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;
}

.description {
  background-color: #fff;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 25px;
  border-left: 4px solid #3498db;
}

.description h2 {
  color: #2c3e50;
  font-size: 20px;
  margin-bottom: 15px;
}

.description p {
  margin-top: 10px;
  line-height: 1.5;
}

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

.editor-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
}

.editor-header {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
}

.editor-title {
  font-weight: bold;
  color: #2c3e50;
}

textarea {
  width: 100%;
  height: 400px;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  resize: none;
  line-height: 1.5;
}

.button-group {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
  justify-content: center;
}

button {
  padding: 12px 42px;
  border: none;
  border-radius: 6px;
  background-color: #3498db;
  font-size: 16px;
  color: white;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.2s;
  display: flex;
  align-items: center;
  gap: 5px;
}

button:hover {
  background-color: #2980b9;
}

button.secondary {
  background-color: #95a5a6;
}

button.secondary:hover {
  background-color: #7f8c8d;
}

.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;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 1000;
}

.notice.show {
  opacity: 1;
}

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

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

.feature {
  flex: 1;
  background-color: #fff;
  padding: 15px;
  border-radius: 6px;
}

.feature h3 {
  font-size: 20px;
  color: #2c3e50;
  margin-bottom: 15px;
}

.feature p{
  margin-top: 10px;
}


.highlight {
  background-color: #f1c40f;
  color: #2c3e50;
}