html {
      background-color: #f9f9f9
    }
    body {
      margin: 0;
      color: #333;
      min-height: 100vh;
      background-color: #f9f9f9;
      font-family: 'Open Sans', system-ui, -apple-system, BlinkMacSystemFont,
             'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      display: flex;
      flex-direction: column;
}

h1, h2, h3 {
  color: #333;
  font-family: inherit;
  font-weight: bold;
  margin: 0.5em 0 0.3em 0;
  line-height: 1.2;
}

h1 {
  font-size: 1.8em;
}

h2 {
  font-size: 1.4em;
}

h3 {
  font-size: 1.1em;
}

.nav-cards {
  display: flex;
  gap: 1.5em;
  margin: 2em 0;
}

.nav-card {
  flex: 1;
  border: 1px solid #90ceb7;
  border-radius: 0px;
  padding: 1.5em;
  background-color: #f9f9f9;

}

.nav-card:hover {
  background-color: #f0f0f0;
}

.nav-card h3 {
  margin-top: 0;
  margin-bottom: 0.5em;
}

.nav-card h3 a {
  text-decoration: underline;
  color: #3B7A69;
  font-weight: bold;
}

.nav-card h3 a:hover {
  text-decoration: underline;
}

.nav-card p {
  margin-bottom: 0;
  color: #666;
  font-size: 0.9em;
}

@media screen and (max-width: 768px) {
  .nav-cards {
    flex-direction: column;
    gap: 1em;
  }
}

    .container {
      display: flex;
      flex: 1;
      min-height: 0;

    }

main a {
  color: #3366cc;
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 2px;
  transition: color 0.2s ease, text-decoration-thickness 0.2s ease;
}

main a:hover,
main a:focus {
  color: #254a99;
  text-decoration-thickness: 2px;
}

    .sidebar {
      background: #90ceb7;
      padding: 1rem;
      min-width: 200px;
      height: 100vh;
      position: fixed;
      top: 0;
      left: 0;
      overflow-y: auto;
    }

    .sidebar ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .sidebar ul li ul {
      list-style: none;
      padding: 0;
      margin: 0;
      margin-left: 1rem;
    }

    .sidebar ul li ul li {
      margin: 0.3rem 0;
    }
    .sidebar ul li ul li a {
      font-size: 0.9em;
    }
    .sidebar li {
      margin: 0.5rem 0;
    }
    .sidebar a {
      text-decoration: none;
      color: #333;
      font-weight: normal;
      display: block;
      padding: 0.5rem 1rem;
    }

    .sidebar a.main {
      font-weight: bold;
      font-size: 18px;
    }

    .sidebar a.active {
      background-color: #479c83
    }

    .sidebar a:hover {
      text-decoration: underline;
      background-color: #6bb89e;
    }

    .content {
      flex: 1;
      padding: 1rem 2rem;
      background: #fff;
      max-width: 900px;
      color: #333;
      margin-left: 220px;
    }



        .breadcrumb {
      list-style: none;
      display: flex;
      padding: 0;
      margin: 0;
      font-family: sans-serif;
      font-size: 14px;
      margin-top: 1em;
    }

    .breadcrumb li + li:before {
      content: "›";
      padding: 0 0.5em;
      color: #888;
    }

    .breadcrumb .current {
      font-weight: bold;
    }


p.subhead { font-size: 1em; margin-top: 1em; font-weight: bold;}


.profile-pic {
  float: right;
  padding: 0.5em 0 1em 1em;
  max-width: 300px;
  height: auto;
}


footer {
  background: #ebe4d5;
  padding: 1rem;
  text-align: left;
  margin-left: 220px;

}

footer p {
  margin: 0;
  color: #333;
  padding-left: 1rem;
}

/* Responsive: stack on mobile */
    @media (max-width: 768px) {
      .container {
        flex-direction: column;
      }
      .sidebar {
        position: relative;
        min-width: auto;
        width: 100%;
        height: auto;
      }
      .content {
        margin-left: 0;
      }
      footer {
        margin-left: 0;
      }

      .profile-pic {
        float: none;
        display: block;
        margin: 0 auto 1em;
      }

      .sidebar ul li ul {

      margin-left: auto;
    }

    .sidebar ul li ul li {
      margin: 0.3rem 0;
    }
    .sidebar ul li ul li a {
      font-size: 0.9em;
    }
    }