body {
  font-family: 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  background: linear-gradient(120deg, #f8fafc 0%, #e0e7ff 100%);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(60, 80, 180, 0.08);
  padding: 32px 24px 24px 24px;
}

h1 {
  font-size: 2.1rem;
  color: #3b82f6;
  margin-bottom: 12px;
  text-align: center;
}

p {
  color: #555;
  text-align: center;
}

label {
  font-weight: 500;
  color: #374151;
}

input[type="text"] {
  width: 100%;
  height: 44px;
  font-size: 1.1rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 12px;
  margin-bottom: 18px;
  box-sizing: border-box;
  transition: border-color 0.2s;
}
input[type="text"]:focus {
  border-color: #3b82f6;
  outline: none;
}

h2 {
  color: #6366f1;
  font-size: 1.2rem;
  margin-top: 24px;
  margin-bottom: 8px;
}

pre {
  background: #f3f4f6;
  border-radius: 8px;
  padding: 16px;
  font-size: 1rem;
  color: #334155;
  overflow-x: auto;
  min-height: 48px;
}

a {
  display: block;
  margin: 32px auto 0 auto;
  text-align: center;
  color: #6366f1;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05rem;
  transition: color 0.2s;
}
a:hover {
  color: #3b82f6;
}

/* 清空按钮样式 */
.input-row { display:block; }
.jwt-input { width:100%; }

.input-actions { text-align:center; margin-top:12px; }
.clear-btn {
  display:inline-block;
  padding: 8px 22px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #eef2ff; /* 保持与页面色系一致，但更明显 */
  color: #334155;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(16,24,40,0.04);
}
.clear-btn:hover { background: #e6ecff; }

.clear-btn:active { transform: scale(0.98); }

@media (max-width: 700px) {
  .clear-btn { padding: 6px 18px; }
}

/* 暗色模式支持 */
.dark .clear-btn {
  background: #2b3140; /* 暗色下也比背景略深 */
  color: #dbeafe;
  border-color: #3f4756;
  box-shadow: 0 6px 18px rgba(0,0,0,0.48);
}
.dark .clear-btn:hover { background: linear-gradient(180deg, #1f2937, #0f172a); }