* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
font-family: 'Montserrat', sans-serif;
background-color: #0b0c2a;
margin: 0;
color: #333;
}

/* Top Bar */
.top-bar {
  max-width: 900px;
  margin: 1rem auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar h2 {
  font-size: 1.5rem;
  color: #b561ff;
}

.page-header {
      display: flex;
      flex-direction: column;
      max-width: 900px;
      margin: 2rem auto 1rem;
      padding: 0 2rem;
    }
    
    .page-header h2 {
      font-size: 1.8rem;
      color: #b561ff;
      margin-bottom: 1rem;
    }
    
    .back-btn {
      display: inline-block;
      background-color: #b561ff;
      border: 1px solid #ccc;
      padding: 0.5rem 1rem;
      border-radius: 8px;
      font-weight: 500;
      cursor: pointer;
      text-decoration: none;
      color: #333;
      transition: background-color 0.2s;
      margin-top: 0.5rem;
      margin-left: auto;
    }

.back-btn:hover {
background-color: #f0f0f0;
}

.container {
max-width: 900px;
margin: auto;
background: #1f1359;
padding: 2rem;
border-radius: 15px;
box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
position: relative;
overflow: hidden;
}

h1 {
text-align: center;
color: #223;
}

h2 {
color: #b561ff;
margin-top: 2rem;
padding-bottom: 0.3rem;
border-bottom: 2px solid #cde8ff;
}
h3 {
color: #b561ff;
}

p, ul, ol {
line-height: 1.7;
    text-align: justify;
    color: #d0d0d0
}

ul {
padding-left: 1.2rem;
}

ol {
  padding-left: 1.2rem;
}

ul li, ol li {
margin-bottom: 0.5rem;
  text-align: justify;
}
summary {
  font-weight: bold;
  font-size: 1.1rem;
  cursor: pointer;
  margin-bottom: 10px;
}

details {
  background: #e6f0ff;
  padding: 15px;
  margin-top: 15px;
  border-radius: 6px;
  border: 1px solid #cce0ff;
}
code {
  background-color: #eef;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: Consolas, monospace;
}
.footer {
text-align: center;
padding: 20px;
margin-top: 30px;
font-size: 0.9em;
color: white;
background-color: #1f1359;
}
/* Collapsible Styling */
.collapsible {
background-color: #b561ff;
color: #333;
cursor: pointer;
padding: 0.75rem 1rem;
width: 100%;
border: none;
border-radius: 8px;
text-align: left;
outline: none;
font-size: 1.1rem;
font-weight: bold;
margin-top: 1.5rem;
}
.active, .collapsible:hover {
  background-color: #b561ff;
}
.collapsible:hover {
background-color: #b561ff;
}

.content {
padding: 0 1rem;
overflow: hidden;
border-left: 3px solid #b561ff;
margin-top: 0.5rem;
background-color: #1f1359;
border-radius: 0 0 8px 8px;
max-height: 0; 
transition: max-height 0.3s ease-out;
}
.content ul {
  margin: 1rem 0;
}
.content p, .content ul {
  margin: 1rem 0;
}
.content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 15px 0;
}
img {
  max-width: 100%;
  margin: 10px 0;
  border-radius: 8px;
}
.note {
  background: #e3ecff;
  padding: 10px 15px;
  border-left: 4px solid #b561ff;
  border-radius: 6px;
  margin-top: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  text-align: center;
  color: #e0e0e0;
  font-family: Arial, sans-serif;
  display: block;
  overflow-x: auto;
}

thead {
  color: #b561ff; 
  background-color: #000000;
}

th, td {
  padding: 10px;
  border: 1px solid #444; 
}

tbody tr{
  background-color: #2a2a2a; 
  color: #d0d0d0; 
}


.blur-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%; /* Covers the bottom 50% of the wrapper */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 20px;
  box-sizing: border-box;
  transition: opacity 0.5s ease-out; /* For fade out */
  pointer-events: none; /* Allows interaction with article below if needed, except for buttons */
}

/* This pseudo-element creates the blur and the fade gradient */
.blur-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(8px); /* The blur effect */
  -webkit-backdrop-filter: blur(8px); /* For Safari support */
  background: linear-gradient(to top, rgba(255,255,255,0.3), rgba(255,255,255,0)); /* Fades out the blur at the top */
  pointer-events: auto; /* Ensure this pseudo-element can block clicks if it covers interaction */
}

.blur-overlay p {
    position: absolute; /* To bring text above the ::before pseudo-element */
    top: 10rem;
    left: auto;
    z-index: 1; /* To bring text above the ::before pseudo-element */
    margin-bottom: 10px;
    font-size: 20px;
    font-weight: bold;
    color: white;
    text-shadow: 0 0 2px rgba(255,255,255,0.3); /* Helps text stand out against blur */
    pointer-events: auto; /* Re-enable pointer events for the text itself */
}

.blur-overlay .btn {
    position: absolute; /* To bring button above the ::before pseudo-element */
    top: 15rem;
    left: auto;
    z-index: 1; /* To bring button above the ::before pseudo-element */
    padding: 10px 20px;
    background-color: #1f1359;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    pointer-events: auto; /* Re-enable pointer events for the button */
    transition: all 0.2s ease-in-out;
    text-decoration: none;
    padding: 1rem 2rem;
}

.blur-overlay .btn:hover {
    background-color: #2f1f7d;
}

/* Class to hide the overlay when the full article is visible */
.blur-overlay.hidden {
    opacity: 0;
    pointer-events: none; /* Disable interaction when hidden */
}


@media (width < 768px){
  .blur-overlay p{
    top: 5rem;
    margin: 2rem;
  }
  .blur-overlay .btn{
    top: 13rem;
  }
}