/* === General Layout === */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #121212;
  color: #f0f0f0;
  transition: margin-left 0.3s ease;
}

.layout {
  display: flex;
}

/* === Sidebar === */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 220px;
  height: 100%;
  background-color: #1e1e1e;
  display: flex;
  flex-direction: column;
  padding-top: 20px;
  box-shadow: 2px 0 10px rgba(0,0,0,0.5);
  transition: width 0.3s;
  overflow: hidden;
}

/* Collapsed state */
.sidebar.collapsed {
  width: 60px;
}

/* Sidebar Buttons */
.sidebar button {
  background: none;
  border: none;
  color: #f0f0f0;
  text-align: left;
  padding: 15px 20px;
  font-size: 16px;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.2s, padding 0.3s, opacity 0.3s;
}

.sidebar button:hover {
  background-color: #333;
}

.sidebar button.active {
  background-color: #555;
}

/* Hide text when collapsed */
.sidebar.collapsed button:not(#toggleBtn) {
  opacity: 0;
  pointer-events: none;
}

/* Toggle button */
#toggleBtn {
  font-size: 20px;
  background-color: #333;
  text-align: center;
  width: 100%;
  padding: 10px 0;
  border: none;
  color: #f0f0f0;
  cursor: pointer;
}

#toggleBtn:hover {
  background-color: #444;
}

/* === Content === */
.content {
  margin-left: 220px;
  padding: 20px;
  transition: margin-left 0.3s;
}

.sidebar.collapsed ~ .content {
  margin-left: 60px;
}

/* === Headings and Text === */
h2 {
  color: #ff6f61;
  border-bottom: 1px solid #555;
  padding-bottom: 5px;
}

p, li {
  line-height: 1.5;
}

ul {
  padding-left: 20px;
}

/* === Collapsible sections (if used inside content) === */
.collapsible {
  background-color: #2a2a2a;
  color: #f0f0f0;
  cursor: pointer;
  padding: 10px 15px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 16px;
  margin-top: 5px;
}

.collapsible:hover {
  background-color: #3a3a3a;
}

.activeCollapsible {
  background-color: #444;
}

.contentCollapsible {
  padding: 0 15px;
  display: none;
  overflow: hidden;
  background-color: #1f1f1f;
  margin-bottom: 5px;
}