/* Preloader Styles */
    #preloader {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: #0c0c0c;
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 9999;
      transition: opacity 0.5s ease-out;
    }

    .loader {
      width: 60px;
      height: 60px;
      position: relative;
    }

    .loader:before,
    .loader:after {
      content: "";
      position: absolute;
      border: 4px solid #ff4d94;
      opacity: 1;
      border-radius: 50%;
      animation: pulse 1.5s cubic-bezier(0, 0.2, 0.8, 1) infinite;
    }

    .loader:after {
      animation-delay: -0.75s;
    }

    @keyframes pulse {
      0% {
        top: 30px;
        left: 30px;
        width: 0;
        height: 0;
        opacity: 1;
      }

      100% {
        top: 0;
        left: 0;
        width: 60px;
        height: 60px;
        opacity: 0;
      }
    }

    .loader-text {
      color: #fff;
      margin-top: 100px;
      font-family: 'Days One', sans-serif;
      letter-spacing: 2px;
      position: absolute;
      width: 100%;
      text-align: center;
    }

    /* Enhanced UI Styles */
    body {
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
      overflow-x: hidden;
    }

    .whole-container {
      opacity: 0;
      transform: translateY(20px);
      transition: opacity 1s ease, transform 1s ease;
    }

    .title {
      font-family: 'Orbitron', sans-serif;
      font-size: 36px;
      text-align: center;
      margin: 20px 0;
      color: #fff;
      text-shadow: 0 0 10px #ff4d94, 0 0 20px #ff4d94, 0 0 30px #ff4d94;
      animation: glow 2s ease-in-out infinite alternate;
      letter-spacing: 3px;
    }

    @keyframes glow {
      from {
        text-shadow: 0 0 10px #ff4d94, 0 0 20px #ff4d94, 0 0 30px #ff4d94;
      }

      to {
        text-shadow: 0 0 15px #ff4d94, 0 0 25px #ff4d94, 0 0 35px #ff4d94, 0 0 45px #ff4d94;
      }
    }

    main {
      display: flex;
      justify-content: center;
      padding: 20px;
      gap: 30px;
      flex-wrap: wrap;
    }

    .instruction-container,
    .puyo-container,
    .game-info-container {
      background: rgba(255, 255, 255, 0.05);
      border-radius: 15px;
      padding: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .instruction-container:hover,
    .puyo-container:hover,
    .game-info-container:hover {
      transform: translateY(-5px);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    }

    .keys-instruction {
      color: #fff;
      list-style: none;
      padding: 10;
      margin: auto;
    }

    .keys-instruction div {
      margin-bottom: 15px;
      font-family: 'Days One', sans-serif;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .keys-instruction i {
      color: #ff4d94;
    }

    .instruction-content {
      margin-top: 20px;
    }

    .play-symbol {
      background: linear-gradient(45deg, #ff4d94, #ff7eb3);
      border: none;
      border-radius: 50px;
      padding: 12px 20px;
      color: white;
      font-family: 'Days One', sans-serif;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 5px 15px rgba(255, 77, 148, 0.4);
      display: flex;
      align-items: center;
      gap: 10px;
      width: auto !important;
      margin: auto !important;
    }

    .play-symbol:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(255, 77, 148, 0.6);
    }

    .drop-down-instruction {
      color: #fff;
      background: rgba(0, 0, 0, 0.2);
      border-radius: 10px;
      padding: 15px;
      margin-top: 15px;
      display: none;
      animation: fadeIn 0.5s ease;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
      }

      to {
        opacity: 1;
      }
    }

    .puyo-container {
      padding: 10px;
      background: rgba(0, 0, 0, 0.3);
    }

    #puyo-canvas,
    #next-puyo-canvas {
      border-radius: 10px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    }

    .buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 30px;
    }

    .buttons button {
      background: linear-gradient(45deg, #3498db, #2980b9);
      border: none;
      border-radius: 50%;
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
    }

    .buttons button:hover {
      transform: translateY(-5px) rotate(5deg);
      box-shadow: 0 10px 25px rgba(52, 152, 219, 0.6);
    }

    #restart-button {
      background: linear-gradient(45deg, #e74c3c, #c0392b);
      box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
    }

    #mute-button {
      background: linear-gradient(45deg, #9b59b6, #8e44ad);
      box-shadow: 0 5px 15px rgba(155, 89, 182, 0.4);
    }

    .restart-text {
      position: absolute;
      bottom: -25px;
      font-family: 'Days One', sans-serif;
      font-size: 12px;
      color: white;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    #restart-button:hover .restart-text {
      opacity: 1;
    }

    .stats {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
    }

    .next-piece-board {
      background: rgba(0, 0, 0, 0.2);
      border-radius: 10px;
      padding: 10px;
      text-align: center;
    }

    .next-text {
      color: white;
      font-family: 'Days One', sans-serif;
      margin-bottom: 10px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .score-board {
      background: linear-gradient(45deg, #2ecc71, #27ae60);
      border-radius: 10px;
      color: white;
      font-family: 'Orbitron', sans-serif;
      font-size: 20px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(46, 204, 113, 0.4);
      animation: pulse-score 2s infinite;
      margin-bottom: 40%;
      margin-left: 0px !important;
    }

    @keyframes pulse-score {
      0% {
        transform: scale(1);
      }

      50% {
        transform: scale(1.05);
      }

      100% {
        transform: scale(1);
      }
    }

    /* Enhanced Modal Styles */
    .modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      z-index: 1000;
      justify-content: center;
      align-items: center;
      backdrop-filter: blur(10px);
    }

    .modal-content,
    .end-modal-content {
      background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
      padding: 40px;
      border-radius: 20px;
      max-width: 500px;
      text-align: center;
      box-shadow: 0 0 50px rgba(255, 77, 148, 0.7);
      border: 2px solid #ff4d94;
      animation: modal-appear 0.5s ease-out;
      position: relative;
      overflow: hidden;
    }

    .modal-content:before,
    .end-modal-content:before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: linear-gradient(45deg, transparent, rgba(255, 77, 148, 0.1), transparent);
      transform: rotate(45deg);
      animation: shine 3s infinite;
    }

    @keyframes shine {
      0% {
        transform: translateX(-100%) rotate(45deg);
      }

      100% {
        transform: translateX(100%) rotate(45deg);
      }
    }

    @keyframes modal-appear {
      0% {
        transform: scale(0.8) translateY(50px);
        opacity: 0;
      }

      100% {
        transform: scale(1) translateY(0);
        opacity: 1;
      }
    }

    .modal-content h3,
    .end-modal-content h1 {
      color: #fff;
      font-family: 'Orbitron', sans-serif;
      margin-bottom: 20px;
      text-shadow: 0 0 10px #ff4d94;
    }

    .modal-content p {
      color: #fff;
      font-family: 'Days One', sans-serif;
      margin-bottom: 10px;
      line-height: 1.6;
    }

    .enter-to-play {
      margin-top: 30px;
      font-size: 18px;
    }

    .enter-to-play span {
      color: #ff4d94;
      font-weight: bold;
      text-shadow: 0 0 5px #ff4d94;
    }

    #red-color {
      color: #ff4d94;
      font-weight: bold;
    }

    /* Particle animation for background */
    .particles {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      overflow: hidden;
    }

    .particle {
      position: absolute;
      border-radius: 50%;
      background: rgba(255, 77, 148, 0.3);
      animation: float 15s infinite linear;
    }

    @keyframes float {
      0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
      }

      10% {
        opacity: 1;
      }

      90% {
        opacity: 1;
      }

      100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
      }
    }