Update static/style.css

static/style.css

@@ -0,0 +1,132 @@
+/* style.css */
+
+:root {
+  --primary-color: #2563eb;
+  --secondary-color: #6b7280;
+  --bg-color: #f9fafb;
+  --text-color: #111827;
+  --border-radius: 0.375rem;
+  --spacing: 1rem;
+  --font-family: 'Inter', sans-serif;
+}
+
+*,
+*::before,
+*::after {
+  box-sizing: border-box;
+}
+
+html {
+  font-size: 100%;
+  scroll-behavior: smooth;
+}
+
+body {
+  margin: 0;
+  padding: 0;
+  background-color: var(--bg-color);
+  color: var(--text-color);
+  font-family: var(--font-family);
+  line-height: 1.5;
+}
+
+.container {
+  max-width: 800px;
+  margin: 0 auto;
+  padding: var(--spacing);
+}
+
+h1 {
+  font-size: 2rem;
+  margin-bottom: calc(var(--spacing) * 1.5);
+  text-align: center;
+  color: var(--primary-color);
+}
+
+form {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing);
+  margin-bottom: var(--spacing);
+}
+
+label {
+  font-weight: 600;
+  margin-bottom: 0.25rem;
+}
+
+select,
+input[type="text"],
+textarea,
+button {
+  font-size: 1rem;
+  padding: 0.75rem;
+  border: 1px solid #d1d5db;
+  border-radius: var(--border-radius);
+  width: 100%;
+}
+
+select:focus,
+input:focus,
+textarea:focus {
+  outline: 2px solid var(--primary-color);
+  border-color: var(--primary-color);
+}
+
+button {
+  background-color: var(--primary-color);
+  color: #ffffff;
+  border: none;
+  cursor: pointer;
+  transition: background-color 0.2s ease;
+}
+
+button:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+button:hover:not(:disabled) {
+  background-color: #1e40af;
+}
+
+#result {
+  margin-top: var(--spacing);
+  padding: var(--spacing);
+  background-color: #ffffff;
+  border: 1px solid #e5e7eb;
+  border-radius: var(--border-radius);
+  min-height: 3rem;
+}
+
+@media (min-width: 640px) {
+  form {
+    flex-direction: row;
+    align-items: flex-end;
+  }
+  form > div {
+    flex: 1;
+  }
+  form > button {
+    width: auto;
+    flex-shrink: 0;
+  }
+}
+
+/* Accessibility: High contrast for code labels */
+#result[role="alert"] {
+  border-left: 4px solid var(--primary-color);
+}
+
+/* Visually hidden for screen reader announcements */
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0,0,0,0);
+  white-space: nowrap;
+  border: 0;
+}