/* Pixel Art Theme Palette */
  :root {
    --sky-blue: #6ECEDA;
    --cloud-blue: #B2F7EF;
    --grass-green: #4CAF50;
    --forest-green: #2E7D32;
    --earth-brown: #8D6E63;
    --volcano-grey: #616161;
    --text-dark: #212121;
    --button-bg: #4CAF50;
    --button-hover: #388E3C;
    --footer-text: #FFFFFF;
    --textbox-bg: #E0F7FA;
    --textbox-border: #0A261F;
    --page-bg: #0A1718;
    --label-bg: #1B5E20;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', Courier, monospace;
    image-rendering: pixelated;
    -webkit-font-smoothing: none;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeSpeed;
  }

  body {
    background: url('background.png') no-repeat center top;
    background-size: 100% auto; /* 👈 KEY CHANGE: Fill width, preserve aspect ratio */
    background-attachment: scroll;
    background-color: var(--page-bg); /* Fills any vertical overflow */
    color: var(--text-dark);
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    text-align: center;
    font-size: 1rem;
    overflow-x: hidden;
  }

  /* Banner */
  .banner {
    font-size: 2rem;
    font-weight: bold;
    margin: 1.5rem 0;
    letter-spacing: 1px;
  }

  /* Button Container - Vertical Stack */
  .button-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
    align-items: center;
    width: 100%;
    max-width: 400px;
  }

  .btn-label {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.3rem;
    text-align: center;
    display: inline-block;
    padding: 0.1rem 0.3rem;
    background: linear-gradient(to bottom, rgba(110, 206, 218, 0.7), rgba(178, 247, 239, 0.7)); /* Semi-transparent cloud gradient */
    color: #212121;
    border-radius: 4px;
    line-height: 1.2;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: bold;
    background-color: var(--button-bg);
    color: white;
    border: 3px solid #2E7D32;
    border-radius: 0;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: none;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    max-width: 300px;
    text-align: center;
  }

  .btn:hover {
    background-color: var(--button-hover);
    transform: scale(1.02);
    border-color: #1B5E20;
  }

  .btn:active {
    transform: scale(0.98);
  }

  /* Classic 90s RPG Text Box */
  .rpg-textbox {
    margin-top: 2rem;
    padding: 1rem;
    background-color: var(--textbox-bg);
    border: 4px solid var(--textbox-border);
    border-radius: 0;
    max-width: 400px;
    text-align: left;
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: inset 0 0 0 2px #000000;
    word-wrap: break-word;
  }

  .rpg-textbox p {
    margin: 0.5rem 0;
  }

  /* Footer - Plain Text with Highlighted Background */
  .footer-text {
    margin-top: auto;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
    width: 100%;
  }

  .footer-highlight {
    display: inline-block;
    background-color: var(--label-bg);
    color: var(--footer-text);
    padding: 0.1rem 0.3rem;
    line-height: 1.2;
  }

  .footer-highlight a {
    color: #BBDEFB;
    text-decoration: underline;
    margin: 0 0.5rem;
  }

  .footer-highlight a:hover {
    color: #E3F2FD;
  }