/* ALL-IN-ONE CSS FOR INFINITY MIND */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Arial, sans-serif; }
body {
  background: #0f0f1a; 
  color: white;
  overflow-x: hidden;
  }

/* Sidebar Fixed - Width & Box Sizing Fix */
.sidebar {
  width: 260px; /* Slightly wider for better text fit */
  background: #0f0f1a; 
  border-right: 1px solid rgba(255,255,255,0.1); /* Soft border */
  height: 100vh; 
  position: fixed; 
  left: 0; 
  top: 0; 
  padding: 20px; 
  z-index: 999; 
  transition: 0.3s;
  display: flex;
  flex-direction: column;
}

.sidebar a { 
  display: block; 
  padding: 12px; 
  color: #bbb; 
  text-decoration: none; 
  border-radius: 8px; 
  margin-bottom: 5px; 
  white-space: nowrap; /* Text wrap na ho */
}

.logo {
  color: #a855f7;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
  font-size: 24px;
  position: relative;
  top: -35px;
  
}


.sidebar a.active, .sidebar a:hover { 
  background: linear-gradient(45deg, #7b2ff7, #9f44d3); 
  color: white; 
}

/* Content Wrapper Adjustment */
.content-wrapper { 
  margin-left: 260px; /* Sidebar width ke barabar */
  padding: 40px 20px; 
  display: flex; 
  flex-direction: column; 
  align-items: center; 
}

/* Mobile Menu Button - SIZE & ALIGNMENT FIX */
.menu-btn { 
  display: none; 
  position: fixed; 
  top: 15px; 
  left: 15px; 
  z-index: 1000; 
  background: #6a0dad; 
  color: white; 
  border: none; 
  /* Fixed square size */
  width: 42px; 
  height: 42px; 
  border-radius: 8px; 
  cursor: pointer; 
  font-size: 20px;
  /* Center the icon */
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* Responsive Fixes */
@media (max-width: 768px) {
  .sidebar { 
    width: 260px;
    transform: translateX(-100%); 
    padding-top: 70px; /* Space for the button */
  }
  .sidebar.show { transform: translateX(0); }
  .content-wrapper { 
    margin-left: 0; 
    padding-top: 80px; 
    width: 100%;
  }
  .menu-btn { display: flex; } /* Display flex for centering */
}

/* Cards & Other Styles (No changes to design) */
.main-card {
  width: 100%; max-width: 800px; background: #14142b; padding: 30px; 
  border-radius: 20px; box-shadow: 0 0 30px rgba(168, 85, 247, 0.15); margin-bottom: 30px;
}
.main-img { width: 100%; max-width: 800px; border-radius: 15px; margin-bottom: 20px; object-fit: cover; }
.course-list { list-style: none; text-align: left; }
.course-list li { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.course-list a { color: #c084fc; text-decoration: none; font-weight: bold; }
.course-list span { color: #777; font-size: 12px; margin-left: 10px; }
.note { color: #aaa; font-size: 14px; margin-top: 10px; font-style: italic; }
.watch-btn { background: #1a1a2e; padding: 15px; border-radius: 10px; cursor: pointer; text-align: left; }
summary { font-weight: bold; color: #a855f7; }