* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: Arial, sans-serif;
  }

  html,
  body {
      height: 100%;
  }

  body {
      background-color: #ddd;
      min-height: 100%;
  }

  /* GRID LAYOUT */
  .container {
      height: 100%;
      min-height: 100vh;
      display: grid;
      grid-template-columns: 260px 1fr;
      grid-template-rows: auto 1fr 60px;
      /* header is now auto-sized to allow taller responsive header */
      grid-template-areas:
          "header header"
          "sidebar main"
          "footer footer";
  }

  /* HEADER */
  header {
      grid-area: header;
      color: rgb(230, 13, 13);
      /* ← SVG color comes from here */
      background:
          url("../images/cursor/header-01.svg"),
          linear-gradient(to top, black, black 10%, blue);
      background-size: contain;
      background-repeat: no-repeat;
      /* background: linear-gradient(to top, black, black 10%, rgb(5, 5, 218)); */
      text-align: center;
      margin-bottom: 10px;
      min-height: 15vh;
      /* provides room for reflection */
      padding: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      overflow: visible;
  }

  header h2 {
      margin: 0;
      font-weight: 700;
      line-height: 1;
      color: #ffffff;
      text-shadow: 0 0 5px rgb(5, 8, 233);
      font-size: clamp(1.5rem, 3.5vw, 3.5rem);
      /* responsive text */
      -webkit-box-reflect: below -10px linear-gradient(transparent, rgba(236, 43, 43, 0.682));
  }

  header h2 span {
      display: inline-block;
      font-weight: 700;
      line-height: 1;
      cursor: pointer;
      cursor: url("../images/cursor/animatedcursson2.png"), pointer;
      font-size: clamp(1.5rem, 3.5vw, 3.5rem);
      transform: rotate(0deg);
      transition: 0.8s linear ease-in-out;
      transition-timing-function: cubic-bezier(0, 2, 0, 0);
      transition-behavior: alternate;
  }

  header h2 span:nth-child(even):hover {
      color: orangered;
      font-size: larger;
      transform: rotate(45deg);
  }

  header h2 span:nth-child(odd):hover {
      color: rgb(72, 255, 0);
      font-size: larger;
      transform: rotate(-45deg);
  }


  /* SIDEBAR */
  aside {
      grid-area: sidebar;
      background: #f0f0f0;
      padding: 10px;
      min-width: max-content;
      height: 100%;
      /* ensure sidebar fills the layout height */
      overflow-y: auto;
      border-right: 2px solid #ccc;
  }

  aside h3 {
      margin: 10px 0;
      background: #0E21A0;
      color: white;
      padding: 6px;
      font-size: 16px;
      margin: 0;
  }

  .project-list {
      list-style: none;
      margin-bottom: 15px;
  }

  .project-list a {
      display: block;
      padding: 6px;
      margin: 4px 0;
      font-size: 14px;
      background: #ddd;
      color: #000;
      text-decoration: none;
      border-radius: 4px;
      cursor: pointer;
      cursor: url("../../c2.png"), pointer;
  }

  .project-list a:hover {
      background: #bbb;
  }

  .project-list a.active {
      background: #3cb371;
      color: white;
  }

  /* MAIN */
  main {
      grid-area: main;
      background: #ddd;
      padding: 0 10px 10px;
      /* reserve space for fixed footer on desktop */
      display: flex;
      flex-direction: column;
  }

  .top-bar {
      /* background: #555555; */
          background: #333333;
      padding: 8px;
      color: rgb(53, 4, 248);
      font-weight: bold;
      display: flex;
      color: white;
      justify-content: space-between;
      align-items: center;
      border-radius: 5px;

  }

  /* Mobile menu toggle (hidden on desktop) */
  .menu-toggle {
      display: none;
      border: none;
      background: transparent;
      color: white;
      font-size: 22px;
      cursor: pointer;
      padding: 6px;
      border-radius: 6px;
  }

  .menu-toggle:focus {
      outline: 2px solid rgba(255, 255, 255, 0.25);
  }

  #pagetitle {
      font-size: 18px;
      color: white;
      -webkit-box-reflect: below -7px linear-gradient(transparent, rgba(236, 43, 43, 0.425));
  }

  #openTab {
      padding: 6px 14px;
      border: none;
      border-radius: 20px;
      background: #2e8b57;
      color: white;
      cursor: pointer;
      cursor: url("../c2.png"), pointer;
  }

  #openTab:hover {
      background: #1e6b3f;
      cursor: url("../c2.png"), pointer;
  }

  iframe {
      margin-top: 10px;
      width: 100%;
      height: 100%;
      border: none;
      cursor: pointer;
      cursor: url("../c2.png"), pointer;
      /* background:rgba(71, 251, 230, 0.399); */
      background: url("images/not_found.jpg");
      background-size: cover;

  }

  /* FOOTER */
 footer {
     grid-area: footer;
     /* background: linear-gradient(to bottom, #111111, rgb(37, 37, 37)); */
        background-color: #333333;
     color: white;
     text-align: center;
     height: max-content;
     position: fixed;
     bottom: 0;
     display: flex;
     justify-content: center;
     align-items: center;
     flex-direction: column;gap: 5px;
     width: 100%;
     padding: 5px 0;
     /* line-height:20px; */
 }
  .quicklink{
    background-color: #cecbcb2a;
    padding: 5px;
    border-radius: 10px;
    width: max-content;    
    font-family:cursive;
}
.quicklink a{
    margin: 0 6px;
    color: rgb(5, 169, 5);
    text-decoration: none;
    font-family:'Lucida Console', monospace;
    /* font-weight: bold; */
}
  /* SIDEBAR */
  .sidebar {
      grid-area: sidebar;
      background: #eee;
      padding: 10px;
      border-right: 2px solid #ccc;
      height: 100%;
      /* fill available height */
      overflow-y: auto;
      /* enable scrolling for long lists */
      /* Firefox */
      scrollbar-width: thin;
      scrollbar-color: #f04b8a #eee;
      /* thumb color then track color */
  }

  /* WebKit (Chrome, Edge, Safari) */
  .sidebar::-webkit-scrollbar {
      width: 12px;
  }

  .sidebar::-webkit-scrollbar-track {
      background: #f0f0f0;
      border-radius: 10px;
  }

  .sidebar::-webkit-scrollbar-thumb {
      /* background: #3cb371;  */
      background: linear-gradient(to top, blue, rgb(5, 251, 5));

      border-radius: 10px;
      border: 3px solid #f0f0f0;
      /* creates padding effect */
  }

  .sidebar::-webkit-scrollbar-thumb:hover {
      background: #2e8b57;
  }

  /* Ensure the reflection and spacing are reasonable on small screens */
  @media (max-width: 600px) {

      /* prevent horizontal scroll while sidebar is off-canvas */
      html,
      body,
      .container {
          overflow-x: hidden;
      }

      .container {
          grid-template-columns: 1fr;
          grid-template-rows: auto 1fr auto;
          grid-template-areas:
              "header"
              "main"
              "footer";
          height: auto;
          /* allow page to grow naturally on mobile */
      }

      /* Sidebar becomes an off-canvas panel instead of hidden */
      .top-bar {
          position: relative;
          z-index: 11100;
      }

      aside {
          display: block;
          position: fixed;
          top: 145px;
          left: 10px;
          bottom: 0;
          /* stretch to bottom of viewport */
          height: auto;
          /* allow top/bottom to determine height */
          width: 100%;
          /* cover most of screen on mobile */
          max-width: 320px;
          background: #f0f0f0;
          padding: 12px 14px 20px;
          /* extra bottom padding so last items aren't hidden */
          transform: translateX(-110%);
          /* fully hidden */
          transition: transform 0.28s ease, left 0.28s ease;
          z-index: 11000;
          /* above overlay */
          box-shadow: 2px 0 20px rgba(0, 0, 0, 0.18);
          overflow-y: auto;
          -webkit-overflow-scrolling: touch;
          /* smooth scrolling on iOS */
      }

      /* visible state */
      aside.open {
          transform: translateX(0);
      }

      /* show menu toggle on mobile */
      .menu-toggle {
          display: inline-block;
      }

      /* overlay behind sidebar */
      .overlay {
          position: fixed;
          inset: 0;
          background: rgba(0, 0, 0, 0.45);
          opacity: 0;
          visibility: hidden;
          transition: opacity 0.2s ease;
          z-index: 10000;
          /* below sidebar but above main */
      }

      .overlay.show {
          opacity: 1;
          visibility: visible;
      }

     header {
        padding: 6px 8px;
        min-height: 8vh;
        background-size: 160%;
        align-items: center;
        justify-content: center;
     }

      header h2 {
          padding: 0;
          margin: 0;
          font-size: clamp(1rem, 5.5vw, 1.6rem);
          -webkit-box-reflect: none;
          /* remove reflection on small screens */
          text-align: center;
      }

      .project-list a {
          font-size: 12px;
          /* readable tap targets if sidebar is shown */
      }

      .toggle-btn {
          font-size: 12px;
      }

      main {
          width: 100%;
          height: 100%;
          padding: 8px 10px;

      }

      iframe {
          height: 100%;
          margin: 0;
          padding: 0;
      }

      aside h3 {
          font-size: 14px;
          padding: 4px;
      }

      .top-bar {
          gap: 8px;
          padding: 8px;
          align-items: center;
      }

      .top-bar img {
          height: 28px;
      }

      .top-bar #pageTitle {
          font-size: 14px;
          color: white;
      }

      .top-bar #openTab {
          padding: 6px 10px;
          font-size: 13px;
      }

      iframe {
          margin-top: 10px;
          width: 100%;
          height: 80vh;
          border-radius: 6px;
      }

      /* Make footer sit below content and be larger for touch targets */
      footer {
          position: static;
          padding: 14px 12px;
          font-size: 15px;
          display: flex;
          flex-direction: column;
          gap: 8px;
          align-items: center;
          text-align: center;
      }

      footer a {
          /* display: inline-block; */
          margin: 2px 6px;
          padding: 6px 8px;
          color: inherit;
          text-decoration: none;
          border-radius: 6px;

      }

  }