@font-face {
    font-family: "FC Krung Thep Light";
    src: url("FCKrungThep-Light.woff2") format("woff2"),
         url("FCKrungThep-Light.woff") format("woff");
    font-display: swap;
  }
  @font-face {
    font-family: "FC Maha Nakhon Flat Light";
    src: url("FCMahaNakhonFlat-Light.woff2") format("woff2"),
         url("FCMahaNakhonFlat-Light.woff") format("woff");
    font-display: swap;
  }
  
  :root {
    --font-sans: "FC Krung Thep Light", Helvetica, Arial, sans-serif;
    --font-serif: "FC Maha Nakhon Flat Light", Georgia, Times, serif;
  
    --bg: #121212;
    --panel: #282828;
    --stroke: #424242;
    --text: #e0e0e0;
    --muted: #a0a0a0;
    --primary: #a60064; /* A subtle purple for primary actions/accents */
    --accent: #03dac6; /* A subtle teal for secondary actions/accents */
    --gold: #ffcc4d; /* Kept gold for medal icon */
  
    --maxw: 960px;
    --radius: 8px; /* Slightly smaller radius for a cleaner look */
    --shadow: 0 4px 12px rgba(0, 0, 0, .4); /* More subtle shadow */
    --glow: 0 0 10px rgba(166, 0, 100, .3), 0 0 20px rgba(3, 218, 198, .2); /* Updated glow colors to match primary */
  }
  
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  
  body {
    margin: 0;
    color: var(--text);
    font-family: var(--font-serif);
    background: var(--bg);
    background-attachment: fixed;
  }
  
  .hidden { display: none; }
  .muted { opacity: .8; }
  .bold { font-weight: 800; }
  
  .wrap {
    display: grid;
    min-height: 100%;
    grid-template-rows: auto 1fr auto;
  }
  
  .container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
  }
  
  header { padding: 28px 0 12px; }
  
  .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
  }
  
  .brand-badge img {
    width: 64px; /* Changed image logo size */
    height: 64px; /* Changed image logo size */
    object-fit: contain;
    border-radius: 6px;
  }
  
  .brand strong {
    font-size: 32px; /* Font size for the main title */
    font-family: var(--font-sans); /* Apply FC Krung Thep font */
    font-weight: bold;
  }
  
  .brand small {
    font-size: 16px; /* Adjusted font size for the description */
  }
  
  .app {
    display: grid;
    align-items: stretch;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    max-width: var(--maxw);
    margin: 20px auto 28px;
    padding: 0 20px;
  }
  
  .panel {
    position: relative;
    padding: 20px;
    background: var(--panel);
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
  
  .panel h2 {
    margin: 0 0 10px;
    font-size: 20px;
    letter-spacing: .3px;
    font-family: var(--font-sans);
    color: var(--text);
  }
  
  label {
    display: block;
    margin: 14px 0 8px;
    font-weight: 600;
    color: var(--text);
  }
  
  select {
    width: 100%;
    padding: 14px;
    color: var(--text);
    background: #333333; /* Darker background for inputs */
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    outline: none;
  }
  
  select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(166, 0, 100, .18); /* Updated focus glow to match primary */
  }
  
  .chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .chip {
    display: grid;
    place-items: center;
    min-width: 40px;
    height: 48px;
    padding: 0 6px;
    color: var(--text);
    background: #333333; /* Darker background for chips */
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    transition: transform .12s ease, border-color .12s ease, box-shadow .12s ease;
  }
  
  .chip small {
    display: block;
    line-height: 1;
    font-weight: 600;
    color: var(--muted);
  }
  
  .chip:hover {
    transform: translateY(-1px);
    border-color: var(--primary);
  }
  
  .chip.active {
    background: var(--primary); /* Solid primary color for active chip */
    color: var(--text);
    border-color: var(--primary);
    box-shadow: var(--glow);
  }
  
  .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
  }
  
  .btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 12px 18px;
    font-weight: 800;
    letter-spacing: .2px;
    cursor: pointer;
    transition: transform .12s ease;
  }
  
  .btn-primary {
    color: var(--text);
    background: var(--primary);
    box-shadow: 0 4px 12px rgba(166, 0, 100, .35); /* Updated shadow color to match primary */
  }
  
  .btn-primary:hover { transform: translateY(-1px); }
  
  .btn-ghost {
    color: var(--text);
    background: transparent;
    border-color: var(--stroke);
  }
  
  .btn-ghost:hover {
    border-color: var(--primary);
  }
  
  .stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
  
  .stat {
    padding: 16px;
    border: 1px solid var(--stroke);
    border-radius: var(--radius);
    background: var(--panel);
  }
  
  .stat .label { color: var(--muted); font-weight: 600; }
  .stat .value { margin-top: 6px; font-size: clamp(28px, 6vw, 44px); font-weight: 800; line-height: 1; color: var(--text); }
  .stat .hint  { margin-top: 4px; color: var(--muted); font-size: 14px; }
  
  .medal-badge {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--gold), #f5a623); /* Kept gold for medal */
    box-shadow: 0 4px 10px rgba(255, 204, 77, .35); /* Updated shadow for medal */
  }
  
  .summary {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 16px;
    padding: 14px 16px;
    border: 1px dashed var(--stroke);
    border-radius: var(--radius);
    background: rgba(3, 218, 198, .1); /* Subtle background for summary */
  }
  
  /* Footer styles */
  footer {
      text-align: center;
      margin-top: 32px; /* mt-8 (32px) */
      font-size: 14px; /* text-sm */
      color: var(--muted); /* text-gray-500 */
      padding-bottom: 20px; /* Add some padding at the bottom */
  }
  
  footer p {
      margin: 0; /* Remove default paragraph margin */
  }
  
  footer a {
      font-weight: 600; /* font-semibold */
      color: var(--accent); /* text-teal-400, using accent for contrast */
      text-decoration: underline;
      transition: color 0.15s ease; /* transition-colors */
  }
  
  footer a:hover {
      color: var(--text); /* hover:text-teal-300, adjusted for black and white theme */
  }
  
  @media (max-width: 900px) {
    .app { grid-template-columns: 1fr; }
  }
  @media (max-width: 700px) {
    .stats { grid-template-columns: 1fr; }
    .brand-badge img {
        width: 48px;
        height: 48px;
    .brand strong {
        font-size: 24px;
    }
  }