body {
  font-family: sans-serif;
  background: #ffffff;
  margin: 0;
}

.container {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  background: #eee;
  padding: 1em;
  width: 200px;
  border-right: 1px solid #ccc;
}

.sidebar h2 {
  font-size: 1.1em;
  margin-top: 0;
}

.sidebar button {
  display: block;
  width: 100%;
  margin: 0.5em 0;
  padding: 0.5em;
  font-size: 1em;
}

.calendar {
  flex-grow: 1;
  padding: 2em;
  max-width: 700px;
  margin: auto;
}

.calendar h1 {
  color: #6A0DAD;
}

.calendar h1,
.calendar p {
  text-align: center;
}

.calendar h2 {
  color: #6A0DAD;
  text-align: center;
  border-bottom: 1px solid #ccc;
  padding-bottom: 0.25em;
  margin-top: 2em;
}

.event-title {
  font-weight: bold;
  font-size: 1.5em;
  margin-top: 0.25em;
}

.calendar ul {
  padding-left: 1em;
  list-style-type: none;
}

.calendar li {
  margin-bottom: 0.5em;
}

.calendar h2 + ul > li:nth-child(odd) {
  background-color: #f9f9f9;
  padding: 0.5em;
  border-radius: 4px;
}

.calendar h2 + ul > li:nth-child(even) {
  background-color: #ffffff;
  padding: 0.5em;
  border-radius: 4px;
}

footer {
  margin-top: 2em;
  font-size: 0.9em;
  color: #666;
}

.compact li {
  font-size: 0.85em;
  margin-bottom: 0.25em;
}

.expanded li {
  font-size: 1em;
}