Changed around line 1
+ :root {
+ --primary-color: #2563eb;
+ --secondary-color: #1e40af;
+ --background-color: #f8fafc;
+ --text-color: #1e293b;
+ --border-radius: 8px;
+ --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+ }
+
+ body {
+ font-family: 'Segoe UI', system-ui, sans-serif;
+ line-height: 1.6;
+ margin: 0;
+ padding: 0;
+ background-color: var(--background-color);
+ color: var(--text-color);
+ }
+
+ header {
+ background-color: var(--primary-color);
+ color: white;
+ padding: 2rem;
+ text-align: center;
+ margin-bottom: 2rem;
+ }
+
+ main {
+ max-width: 800px;
+ margin: 0 auto;
+ padding: 0 1rem;
+ }
+
+ .form-group {
+ margin-bottom: 1.5rem;
+ }
+
+ label {
+ display: block;
+ margin-bottom: 0.5rem;
+ font-weight: 600;
+ }
+
+ input,
+ textarea {
+ width: 100%;
+ padding: 0.75rem;
+ border: 1px solid #e2e8f0;
+ border-radius: var(--border-radius);
+ font-size: 1rem;
+ transition: border-color 0.2s;
+ }
+
+ input:focus,
+ textarea:focus {
+ outline: none;
+ border-color: var(--primary-color);
+ box-shadow: var(--box-shadow);
+ }
+
+ button {
+ background-color: var(--primary-color);
+ color: white;
+ padding: 0.75rem 1.5rem;
+ border: none;
+ border-radius: var(--border-radius);
+ font-size: 1rem;
+ cursor: pointer;
+ transition: background-color 0.2s;
+ }
+
+ button:hover {
+ background-color: var(--secondary-color);
+ }
+
+ #output {
+ margin-top: 2rem;
+ padding: 1.5rem;
+ background-color: white;
+ border-radius: var(--border-radius);
+ box-shadow: var(--box-shadow);
+ }
+
+ .hidden {
+ display: none;
+ }
+
+ pre {
+ background-color: #f1f5f9;
+ padding: 1rem;
+ border-radius: var(--border-radius);
+ overflow-x: auto;
+ }
+
+ footer {
+ text-align: center;
+ padding: 2rem;
+ margin-top: 2rem;
+ color: #64748b;
+ }
+
+ @media (max-width: 768px) {
+ header {
+ padding: 1.5rem;
+ }
+
+ main {
+ padding: 0 0.5rem;
+ }
+ }