:root {
  --light-accent: #97ecfe;
  --main-accent: #1734c2;
  --black: #000000;
  --white: #ffffff;
}

header {
  z-index: 1005;
}

.learn-container {
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: auto;
  padding: 1rem;
  background-color: var(--white);
}

.learn-header {
  text-align: center;
  background-color: var(--white);
  z-index: 1;
  padding: 0.5rem 0 0 0;
}

.learn-header h1 {
  font-size: 2.5rem;
  color: var(--main-accent);
  margin: 0;
  background-color: var(--white);
}

.learn-columns {
  display: flex;
}

.sidebar {
  flex: 0 0 300px;
  position: relative;
  align-self: flex-start;
}

#learn-menu-toggle {
  display: none; /* Hidden by default */
  background: var(--light-accent);
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--black);
  font-size: 1.5rem;
  width: 2rem;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1003;
  display: flex;
  align-items: center;
  justify-content: center;
}

#learn-menu-toggle i {
  transition: 0.3s;
}

#learn-menu-toggle.open i.fa-chevron-right {
  display: none;
}

#learn-menu-toggle.open i.fa-chevron-left {
  display: inline;
}

#learn-menu-content {
  display: block;
  z-index: 1002;
}

.learn-menu {
  overflow-y: visible;
  max-height: none;
}

.learn-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: block;
}

.learn-menu ul li {
  margin-bottom: 1rem;
  display: block;
  visibility: visible;
  opacity: 1;
  position: relative;
  z-index: 1003;
}

.learn-menu ul li h3 {
  font-size: 1.2rem;
  margin: 0.5rem 0;
  color: var(--main-accent);
  font-family: Arial, sans-serif;
  line-height: 1.4;
  text-indent: 0;
}

.learn-menu ul li h3 a {
  color: var(--main-accent);
  text-decoration: none;
  display: block;
  visibility: visible;
  opacity: 1;
  font-family: Arial, sans-serif;
  line-height: 1.4;
  text-indent: 0;
  pointer-events: auto;
}

.learn-menu ul li h3 a:hover {
  text-decoration: underline;
}

.learn-menu ul ul {
  padding-left: 1.5rem;
  display: block;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  visibility: visible;
  opacity: 1;
  position: static;
  z-index: 1003;
}

.learn-menu ul ul li {
  margin-bottom: 0.5rem;
  display: block;
  visibility: visible;
  opacity: 1;
}

.learn-menu ul ul li a {
  color: var(--black);
  text-decoration: none;
  font-size: 1rem;
  display: block;
  visibility: visible;
  opacity: 1;
  font-family: Arial, sans-serif;
  line-height: 1.4;
  text-indent: 0;
  pointer-events: auto;
}

.learn-menu ul ul li a:hover {
  color: var(--main-accent);
  text-decoration: underline;
}

.learn-menu a.active {
  font-weight: bold;
  color: var(--main-accent);
}

.learn-content {
  flex: 1;
  padding: 1rem;
  min-height: 55vh;
}

.learn-content article {
  margin-bottom: 2rem;
}

.learn-content h2 {
  font-size: 2rem;
  color: var(--main-accent);
  margin-bottom: 1rem;
}

.learn-content h3 {
  font-size: 1.5rem;
  color: var(--main-accent);
  margin-bottom: 0.75rem;
}

.learn-content p {
  margin-bottom: 1rem;
}

.learn-content video,
.learn-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}

.learn-content iframe {
  max-width:100%;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  nav ul {
    background-color: inherit;
  }

  .learn-container {
    padding: 0.5rem;
  }

  .learn-columns {
    flex-direction: column;
  }

  .sidebar {
    flex: none;
    position: static;
  }

  #learn-menu-toggle {
    display: flex; /* Show toggle column on mobile */
  }

  #learn-menu-content {
    display: none; /* Hidden by default on mobile */
    background-color: var(--light-accent);
    color: var(--black) !important;
    padding: 2rem 1.5rem;
    border-radius: 8px;
    width: calc(100vw - 1rem);
    max-width: 400px;
    margin: 0 auto;
    position: fixed;
    top: 0;
    left: -400px;
    height: 100svh;
    overflow-y: auto;
    box-sizing: border-box;
    z-index: 1002;
    transition: left 0.3s ease-out;
    padding-left: 3rem;
    padding-bottom:70px;
    padding-top: 70px;
  }

  #learn-menu-content.show {
    display: block;
    left: 0;
  }

  #learn-menu-content.hide {
    display: none;
    left: -400px;
  }

  .learn-menu ul li h3,
  .learn-menu ul li h3 a,
  .learn-menu ul ul li a {
    color: var(--black) !important;
    display: block;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 1.1rem;
    font-family: Arial, sans-serif !important;
    line-height: 1.4;
    text-indent: 0 !important;
    pointer-events: auto !important;
  }

  .learn-menu ul li h3 a:hover,
  .learn-menu ul ul li a:hover {
    color: var(--main-accent) !important;
    text-decoration: underline;
  }

  .learn-menu a.active {
    color: var(--main-accent) !important;
    font-weight: bold;
  }

  .learn-menu ul {
    display: block;
  }

  /* .learn-menu ul ul:last-of-type {
    padding-bottom: 3rem;
  } */

  .learn-menu ul li h3 {
    font-size: 1.1rem;
  }

  .learn-menu ul ul {
    padding-left: 1.5rem;
    display: block;
    margin-bottom: 1rem;
    position: static;
  }

  .learn-menu ul ul li a {
    font-size: 0.9rem;
  }

  .learn-content {
    padding: 0 1rem 0 3rem; /* 3rem left padding for toggle column */
  }

  .learn-header h1 {
    font-size: 2rem;
  }
}

p > .small-icon {
  padding: 0;
  margin: 0;
  position: relative;
  top: 4px;
}

.module > img {
  padding:0;
  margin: 0;
}

@media (max-width: 600px) {
  .learn-header h1 {
    font-size: 1.8rem;
  }

  .learn-content h2 {
    font-size: 1.8rem;
  }

  .learn-content h3 {
    font-size: 1.3rem;
  }
}

/* Desktop: Ensure toggle is hidden */
@media (min-width: 769px) {
  #learn-menu-toggle {
    display: none !important; /* Explicitly hide toggle on desktop */
  }

  #learn-menu-content {
    display: block !important; /* Always open on desktop */
  }
}