body {
  font-family: system-ui, sans-serif;
  background-color: #0d1117;
  color: #e6edf3;
  margin: 0;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  font-weight: 600;
  margin-bottom: 20px;
  color: #58a6ff;
  text-align: center;
}

.events {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.event {
  background-color: #161b22;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 10px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.event span.time {
  color: #8b949e;
  font-size: 0.9em;
  min-width: 70px;
}

.event span.name {
  flex: 1;
  text-align: left;
  margin-left: 10px;
}

.event.important span.name {
  color: #ffd700;
  font-weight: 600;
}

.day-menu {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.day-btn {
  background: #161b22;
  color: #e6edf3;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.95em;
  transition: background 0.2s;
}

.day-btn:hover {
  background: #1f2937;
}

.day-btn.active {
  background: #58a6ff;
  color: #fff;
  border-color: #58a6ff;
}