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

body {
  background-color: #121212;
  color: #ffffff;
  margin: 0;
}

/* 头部与底部 */
header, footer {
  text-align: center;
  padding: 1rem;
}

h1 {
  font-size: 1.8rem;
  margin: 0.5rem 0;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
}

/* 输入区 */
section {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

textarea {
  width: 100%;
  min-height: 100px;
  background-color: #2a2a2a;
  color: #ffffff;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 1rem;
  resize: vertical;
}

/* 按钮组 */
.btn-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.btn-group.center {
  justify-content: center;
}

/* 按钮 */
button {
  background-color: #333333;
  color: #ffffff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}
button:hover {
  background-color: #444444;
}

/* 弹窗 */
.modal-overlay {
  display: none; /* 默认隐藏 */
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.6);
  z-index: 999;
  justify-content: center;
  align-items: center;
}

.modal {
  background-color: #2e2e2e;
  padding: 1rem;
  border-radius: 8px;
  max-width: 300px;
  width: 80%;
}

.modal h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.modal ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.modal li {
  margin-bottom: 0.5rem;
}

.modal li button {
  width: 100%;
  text-align: center;
}

@font-face {
  font-family: 'PlangothicP1';
  src: url('./Plangothic-Web-V2.9.5779/PlangothicP1-Regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'PlangothicP2';
  src: url('./Plangothic-Web-V2.9.5779/PlangothicP2-Regular.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

html, body {
  font-family: 'PlangothicP1', 'PlangothicP2', sans-serif;
}
/* 密钥输入框样式 */
#keyInput {
  width: 100%;
  background-color: #2a2a2a;
  color: #ffffff;
  border: 1px solid #3a3a3a;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 1rem;
  margin-bottom: 0.5rem;
  box-sizing: border-box;
}

/* 焦点效果与 textarea 一致 */
#keyInput:focus {
  outline: none;
  border-color: #555555;
}