first commit

styles.css

@@ -0,0 +1,176 @@
+/* styles.css */
+
+.sidebar {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 200px;
+  height: 100%;
+  background-color: #111;
+  padding: 2rem 1rem;
+  overflow-y: auto;
+}
+
+.sidebar ul {
+  list-style: none;
+}
+
+.sidebar li {
+  margin-bottom: 1rem;
+}
+
+.sidebar a {
+  color: #ccc;
+  text-decoration: none;
+  font-weight: bold;
+  transition: color 0.2s ease;
+}
+
+.sidebar a:hover {
+  color: #fff;
+}
+
+.sidebar strong {
+  display: block;
+  color: #fff;
+  font-size: 0.95rem;
+  margin-top: 1.5rem;
+  margin-bottom: 0.5rem;
+  padding-bottom: 0.2rem;
+  border-bottom: 1px solid #333;
+  text-transform: uppercase;
+  letter-spacing: 0.05em;
+}
+
+.sidebar ul ul {
+  padding-left: 1rem;
+}
+
+.sidebar ul ul li {
+  margin-bottom: 0.5rem;
+}
+
+.sidebar ul ul a {
+  font-weight: normal;
+  color: #aaa;
+  font-size: 0.9rem;
+}
+
+.sidebar ul ul a:hover {
+  color: #fff;
+}
+
+main {
+  margin-left: 110px;
+}
+
+
+* {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  font-family: sans-serif;
+  background: #0a0a0a;
+  color: #eee;
+  line-height: 1.6;
+  padding: 2rem;
+  max-width: 800px;
+  margin: auto;
+}
+
+header {
+  text-align: center;
+  margin-bottom: 2rem;
+}
+
+h1 {
+  font-size: 2.5rem;
+  margin-bottom: 0.5rem;
+}
+
+.tagline {
+  font-size: 1.2rem;
+  color: #eee;
+}
+
+section {
+  margin-bottom: 3rem;
+}
+
+.section p {
+  color: #eee;
+  font-size: 1rem;
+  line-height: 1.6;
+  margin-bottom: 1.5rem;
+  padding: 0 1rem;
+  max-width: 700px;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.section a {
+  color: #fb2;
+}
+.section h2 {
+  font-size: 1.6rem;
+  margin-bottom: 1rem;
+}
+
+.levels {
+  display: grid;
+  grid-template-columns: 1fr;
+  gap: 1rem;
+}
+
+.level {
+  background: black;
+  border-left: 5px solid #ccc;
+  padding: 1rem;
+  border-radius: 6px;
+}
+
+.level h3 {
+  margin-bottom: 0.5rem;
+}
+
+.level.easy {
+  border-color: #2ecc71;
+}
+.level.medium {
+  border-color: #f1c40f;
+}
+.level.hard {
+  border-color: #e74c3c;
+}
+
+footer {
+  text-align: center;
+  font-size: 0.9rem;
+  color: #eee;
+  padding-top: 2rem;
+  border-top: 1px solid #ddd;
+}
+.explain {
+  display: block;
+  font-size: 0.85rem;
+  color: #aaa;
+  margin-top: 0.25rem;
+}
+/* Hide sidebar on mobile */
+@media (max-width: 768px) {
+  .sidebar {
+    display: none;
+  }
+
+  body {
+    padding-left: 1rem;
+    padding-right: 1rem;
+  }
+
+  main {
+    margin-left: 0;
+  }
+}