/* --- ROOT VARIABLES & THEME --- */
:root {
    --bg-color: #0a0a1f;
    --panel-bg: rgba(10, 20, 40, 0.7);
    --border-color: rgba(0, 255, 255, 0.5);
    --neon-cyan: #00ffff;
    --neon-magenta: #ff00ff;
    --neon-green: #4CAF50;
    --neon-gold: #ffd700;
    --text-color: #e0e0e0;
    --font-title: 'Orbitron', sans-serif;
    --font-body: 'Poppins', sans-serif;
  }
  
  /* --- GENERAL STYLING --- */
  body, html {
      margin: 0;
      padding: 0;
      overflow: hidden;
      height: 100%;
      background-color: var(--bg-color);
      font-family: var(--font-body);
      color: var(--text-color);
  }
  
  canvas#gameCanvas {
      display: block;
      background-color: var(--bg-color);
      background-image: 
          linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
      background-size: 30px 30px;
      cursor: none;
  }
  
  /* --- UI CONTAINER & OVERLAYS --- */
  #ui-container {
      position: absolute;
      inset: 0;
      pointer-events: none;
  }
  
  #score {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      font-size: 28px;
      font-weight: 600;
      color: #fff;
      text-shadow: 0 0 5px var(--neon-cyan), 0 0 10px var(--neon-cyan);
  }
  
  #leaderboard {
      position: absolute;
      top: 20px;
      right: 20px;
      background-color: var(--panel-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 15px 20px;
      min-width: 220px;
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  }
  
  #leaderboard h2 {
      margin: 0 0 10px 0;
      text-align: center;
      font-size: 22px;
      font-family: var(--font-title);
      color: var(--neon-cyan);
      text-shadow: 0 0 5px var(--neon-cyan);
  }
  
  #leaderboard ol {
      list-style: none;
      padding: 0;
      margin: 0;
  }
  
  #leaderboard li {
      margin-bottom: 8px;
      font-size: 16px;
      font-weight: 600;
  }
  
  #minimap {
      position: absolute;
      bottom: 16px;
      right: 16px;
      border-radius: 50%;
      border: 2px solid var(--border-color);
      background: rgba(0,0,0,0.35);
      pointer-events: none;
      box-shadow: 0 0 15px rgba(0, 255, 255, 0.2);
  }
  
  /* --- START, GAME OVER & WIN SCREENS --- */
  .screen {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      pointer-events: all;
      text-align: center;
      animation: fadeIn 0.5s ease-in-out;
  }
  
  .screen h1 {
      font-family: var(--font-title);
      font-size: 4rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
      text-shadow: 0 0 5px var(--neon-cyan), 0 0 15px var(--neon-cyan), 0 0 30px #000;
  }
  
  #gameOverScreen h1 {
      color: var(--neon-magenta);
      text-shadow: 0 0 5px var(--neon-magenta), 0 0 15px var(--neon-magenta), 0 0 30px #000;
  }
  
  /* --- NEW WIN SCREEN STYLE --- */
  #winScreen h1 {
      color: var(--neon-gold);
      text-shadow: 0 0 5px var(--neon-gold), 0 0 15px var(--neon-gold), 0 0 30px #000;
      animation: pulse 2s infinite;
  }
  
  .screen p {
      font-size: 24px;
      margin-bottom: 30px;
      font-weight: 600;
  }
  
  /* --- FORM ELEMENTS (INPUT & SELECT) --- */
  #usernameInput {
      padding: 12px 20px;
      font-size: 18px;
      font-family: var(--font-body);
      border-radius: 8px;
      border: 2px solid var(--border-color);
      margin-bottom: 10px;
      text-align: center;
      background-color: rgba(20, 20, 40, 0.8);
      color: var(--text-color);
      transition: all 0.3s;
  }
  
  #usernameInput::placeholder {
      color: rgba(255,255,255,0.4);
  }
  
  #usernameInput:focus {
      outline: none;
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px var(--neon-cyan);
  }
  
  .select-label {
      font-size: 14px;
      opacity: 0.7;
      margin-bottom: 5px;
  }
  
  /* --- NEW SELECT MENU STYLE --- */
  .select {
      padding: 12px 20px;
      font-size: 18px;
      font-family: var(--font-body);
      border-radius: 8px;
      border: 2px solid var(--border-color);
      margin-bottom: 25px;
      background-color: rgba(20, 20, 40, 0.8);
      color: var(--text-color);
      -webkit-appearance: none;
      appearance: none;
      background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%2300FFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
      background-repeat: no-repeat;
      background-position: right 1rem center;
      background-size: .65em auto;
      cursor: pointer;
      min-width: 260px; /* Match input width */
      text-align: center;
      text-align-last: center; /* For Firefox */
  }
  .select:focus {
      outline: none;
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px var(--neon-cyan);
  }
  
  /* --- BUTTONS --- */
  .btn {
      padding: 15px 35px;
      font-size: 22px;
      font-family: var(--font-title);
      color: #fff;
      border: 2px solid;
      border-radius: 8px;
      cursor: pointer;
      transition: all 0.3s;
      text-shadow: 0 0 5px #fff;
  }
  
  #startButton {
      background-color: transparent;
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px var(--neon-cyan) inset, 0 0 10px var(--neon-cyan);
  }
  
  #startButton:hover {
      background-color: var(--neon-cyan);
      color: var(--bg-color);
      box-shadow: 0 0 20px var(--neon-cyan);
  }
  
  #playAgainButton, #winPlayAgainButton {
      background-color: transparent;
      border-color: var(--neon-green);
      box-shadow: 0 0 10px var(--neon-green) inset, 0 0 10px var(--neon-green);
  }
  
  #playAgainButton:hover, #winPlayAgainButton:hover {
      background-color: var(--neon-green);
      color: var(--bg-color);
      box-shadow: 0 0 20px var(--neon-green);
  }
  
  /* --- ANIMATIONS --- */
  @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
  }
  
  @keyframes pulse {
      0% { transform: scale(1); text-shadow: 0 0 5px var(--neon-gold), 0 0 15px var(--neon-gold); }
      50% { transform: scale(1.05); text-shadow: 0 0 10px var(--neon-gold), 0 0 25px var(--neon-gold); }
      100% { transform: scale(1); text-shadow: 0 0 5px var(--neon-gold), 0 0 15px var(--neon-gold); }
  }