:root {
    --bg-color: #ffffff;
    --text-color: #111;
    --accent-bg: #f5f5f5;
    --border-color: #ccc;
    --terminal-bg: #fdfdfd;
    --terminal-text: #222;
  }
  body.dark-mode {
    --bg-color: #111;
    --text-color: #fff;
    --accent-bg: #222;
    --border-color: #444;
    --terminal-bg: #000;
    --terminal-text: #0f0;
  }
  body {
    font-family: 'Work Sans', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.7;
  }
  .container {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 1rem;
    position: relative;
  }
  .dark-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #000;
    border: 2px solid #fff;
    cursor: pointer;
    z-index: 1000;
  }
  body.dark-mode .dark-toggle {
    background: #fff;
    border-color: #000;
  }
  .dark-toggle.hidden { display: none; }

  .profile-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  .headshot {
   width: 100px;
   height: 100px;
   border-radius: 50%;
   object-fit: cover;
   border: 2px solid var(--border-color);
   cursor: pointer;
   transition: transform 0.3s ease;
  }
 .headshot:hover {
   transform: scale(1.1);
  }
  .intro h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
  }
  .intro p {
    margin: 0.5rem 0 0 0;
    font-weight: 400;
  }
  .tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 0.25rem;
  }
  .tab {
    flex-grow: 1;
    text-align: center;
    white-space: nowrap;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    background: var(--accent-bg);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
  }
  .tab.active {
    background: var(--bg-color);
    font-weight: 600;
    border-color: var(--border-color);
    border-bottom: 1px solid var(--bg-color);
  }
  .tab-content {
    display: none;
    padding: 1.25rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0 0 6px 6px;
    background: var(--bg-color);
  }
  .tab-content.active {
    display: block;
  }
  ul {
    padding-left: 1.25rem;
  }
  a {
    color: var(--text-color);
    text-decoration: underline;
  }
  .terminal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--terminal-bg);
    color: var(--terminal-text);
    font-family: monospace;
    padding: 2rem;
    z-index: 999;
    overflow: auto;
  }
  .terminal pre {
    white-space: pre-wrap;
  }
  .terminal-input-line {
   display: flex;
   align-items: center;
   font-family: monospace;
   font-size: 1rem;
   margin-top: 0.5rem;
  }
  .terminal-prompt {
   margin-right: 0.5rem;
   color: var(--terminal-text, #222);
  }
  #terminalInput {
   flex: 1;
   border: none;
   background: transparent;
   color: var(--terminal-text, #222);
   font-family: monospace;
   font-size: 1rem;
   outline: none;
  }
  .terminal-close {
    position: absolute;
    top: 1rem;
    right: 2rem;
    font-size: 1.5rem;
    cursor: pointer;
  }
  .snake-game {
   position: fixed;
   inset: 0;
   z-index: 9999;
   background: var(--bg-color);
   color: var(--text-color);
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
  }
 .snake-close {
   position: absolute;
   top: 1rem;
   right: 2rem;
   font-size: 2rem;
   cursor: pointer;
   z-index: 10001;
  }
 canvas {
   background: var(--bg-color);
   border: 2px solid var(--text-color);
  }
  @media (max-width: 768px) {
  #snakeCanvas {
  width: 95vw;
  height: 70vh;
}
}