body {
  margin: 0;
  font-family: 'Old Standard TT', serif;
  background: #fff;
  color: #111;
  display: flex;
}

.logo {
  position: fixed;
  top: 10px;
  left: 10px;
  height: 150px;
  z-index: 10;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); opacity: 0.85; }
}

.sidebar {
  width: 240px;
  position: fixed;
  top: 220px;
  padding: 20px;
}

.page-link {
  display: block;
  padding: 6px 0;
  font-size: 13px;
  font-family: monospace;
  color: #111;
  text-decoration: none;
}

.topbar {
  position: fixed;
  left: 240px;
  right: 0;
  top: 0;
  height: 50px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 15px;
  background: #fff;
  font-family: monospace;
}

button {
  background: #fff;
  border: none;
  cursor: pointer;
  font-family: monospace;
}

.main {
  margin-left: 240px;
  width: 100%;
  padding-top: 60px;
}

.editor {
  max-width: 800px;
  margin: 60px auto;
  padding: 40px;
  outline: none;
}

/* ALL */
#allView {
  display: none;
  margin-left: 240px;
  padding-top: 60px;
}

.columns-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding: 40px;
}

@media (max-width: 900px) {
  .columns-container {
    grid-template-columns: 1fr;
  }
}

.topic {
  text-decoration: none;
  color: #111;
  font-size: 14px;
  display: block;
  margin: 4px 0;
}