body {
    font-family: 'Kanit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-image: url('image/bg-game.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    max-width: 500px;
    margin: 20px auto;
    padding: 16px;
    color: #141414;
    flex-direction: column;
    align-items: center;
  }

  #logoContainer {
  display: flex;
  justify-content: center;  /* จัดแนวนอน */
  align-items: center;      /* จัดแนวตั้ง ถ้า container มีความสูง */
  margin-bottom: 20px;
}

#logo {
  max-width: 300px;
  height: auto;
  border-radius: 12px;
}
#createGameSection,
#passwordSection,
#playGameSection,
#chooseMode {
  background-color: rgba(255, 253, 253, 0.966); /* สีขาวโปร่งใส */
  backdrop-filter: blur(30px);                /* เอฟเฟกต์เบลอ */
  -webkit-backdrop-filter: blur(30px);        /* รองรับ Safari */
  padding: 20px;
  margin: 20px auto;
  border-radius: 20px;
  max-width: 500px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}



  #codeText{
    text-align: center;
    color: #141414;
    font-size: 20px;
  }
  h2, h3, h4 {
    text-align: center;
    color: #141414;
  }

  input, textarea, button {
    width: 100%;
    padding: 10px 14px;
    margin: 8px 0;
    box-sizing: border-box;
    border-radius: 8px;
    font-size: 16px;
  }

  input, textarea {
    border: 1px solid #ccc;
    transition: border-color 0.3s ease;
  }

  ::placeholder {
    font-family: 'Kanit', sans-serif;
  }

  input:focus, textarea:focus {
    border-color: #ffff00;
    outline: none;
  }

  button {
    font-family: 'Kanit', sans-serif;
    background-color: #ffff00;
    color: rgb(0, 0, 0);
    border: none;
    transition: background-color 0.3s ease;
  }

  button:hover {
    background-color: #00c115;
  }

  button:active {
    background-color: #00c115;
  }

  #updateGameBtn {
    display: none;
    margin-top: 10px;
    background-color: orange;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }

  #refreshAnswersBtn {
       margin-bottom: 10px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
  }

  #playerAnswersContainer {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
  }

  #downloadAnswersBtn{
     margin-top: 10px;
  background-color: #2ecc71;
  color: white;
  border: none;
  border-radius: 5px;
  padding: 8px 16px;
  cursor: pointer;
  display: none;
  }

  #deleteAllGamesBtn {
      margin: 10px 0;
  padding: 8px 16px;
  background-color: #d63031;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  }

  #deleteGameBtn {
        margin-top: 15px;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
  }

  #popupModal {
  position: fixed; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%;
  background-color: rgba(0,0,0,0.5); 
  display: flex;
  justify-content: center; 
  align-items: center; 
  z-index: 1000;

  }

  #updateGameBtn {
    display: none;
    margin-top: 10px;
    background-color: orange;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  #refreshAnswersBtn {
    margin-bottom: 10px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
  }

  #playerAnswersContainer {
       max-height: 200px;
    overflow-y: auto;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
  }

  #deleteGameBtn {
       margin-top: 15px;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
  }

  #gameNameInput {
    width: 100%; 
    margin-bottom: 10px;
  }

  #gameListContainer {
    margin-top: 20px;
  }

  #deleteAllGamesBtn {
      margin: 10px 0;
  padding: 8px 16px;
  background-color: #d63031;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  }

  #linkOutput {
    background-color: #f0f0f0;
    resize: none;
    font-family: monospace;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 16px 0;
  }

  #previewImage {
    max-width: 100%;
    height: auto;
    margin-top: 10px;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
  }

  label {
    font-weight: bold;
    margin-top: 12px;
    display: block;
  }

  #resultMessage {
    font-weight: bold;
    text-align: center;
    margin-top: 16px;
    font-size: 18px;
  }

  .popup {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }

    .hidden {
    display: none !important;
  }
    .styled-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #ccc;
  background-color: #fff;
  font-family: 'Kanit', sans-serif;
  font-size: 16px;
  color: #333;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.styled-select:focus {
  outline: none;
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

    #copyAnswerBtn {
      display: none;
      padding: 10px 16px;
      font-size: 16px;
      font-weight: bold;
      background-color: #00a32a;
      color: white;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(37, 37, 37, 0.2);
      font-family: 'Kanit', sans-serif;
    }

    #copyAnswerBtn:hover {
      background-color: #00c744;
      transform: translateY(-2px);
      box-shadow: 0 6px 14px rgba(14, 14, 14, 0.3);
    }

    #copyAnswerBtn:active {
      background-color: #008f2a;
      transform: translateY(0);
      box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    }

    .coin {
    position: absolute;
    width: 30px;
    height: 30px;
    background-image: url('image/coin.png'); /* 🔁 เปลี่ยนเป็น path ของเหรียญคุณ */
    background-size: contain;
    background-repeat: no-repeat;
    pointer-events: none;
    animation: coin-burst 1s ease-out forwards;
    }

    @keyframes coin-burst {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--x), var(--y)) scale(0.5);
        opacity: 0;
    }
    }
        .wrong-animation {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 280px;
  transform: translate(-50%, -50%);
  z-index: 2000;
  animation: shakeWrong 0.6s ease, fadeOut 0.6s ease 0.6s forwards;
}

@keyframes shakeWrong {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  20% { transform: translate(-48%, -50%) rotate(-10deg); }
  40% { transform: translate(-52%, -50%) rotate(10deg); }
  60% { transform: translate(-48%, -50%) rotate(-10deg); }
  80% { transform: translate(-52%, -50%) rotate(10deg); }
  100% { transform: translate(-50%, -50%) rotate(0deg); }
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.3);
  }
}

#chooseMode {
  display: none; /* ซ่อนไว้ก่อน */
}
#createGameBtn {
  background: linear-gradient(135deg, #c10c1e, #800000); /* แดงเข้ม */
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  padding: 14px 28px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(193, 12, 30, 0.6); /* เงาสีแดง */
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-shadow:
    -1px -1px 0 #660000,
     1px -1px 0 #660000,
    -1px  1px 0 #660000,
     1px  1px 0 #660000;
}

#createGameBtn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  transform: skewX(-25deg);
  transition: left 1s ease;
}

#createGameBtn:hover::before {
  left: 125%;
}

#createGameBtn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(193, 12, 30, 0.7);
}

#createGameBtn:active {
  transform: scale(0.96);
}

#submitPasswordBtn {
  background: linear-gradient(135deg, #c10c1e, #800000); /* แดงเข้ม */
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  padding: 14px 28px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(193, 12, 30, 0.6); /* เงาสีแดง */
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-shadow:
    -1px -1px 0 #660000,
     1px -1px 0 #660000,
    -1px  1px 0 #660000,
     1px  1px 0 #660000;
}

#submitPasswordBtn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  transform: skewX(-25deg);
  transition: left 0.5s ease;
}

#submitPasswordBtn:hover::before {
  left: 120%;
}

#submitPasswordBtn:hover {
   transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(193, 12, 30, 0.7);
}

#submitPasswordBtn:active {
  transform: scale(0.97);
}

#generateLinkBtn {
  background: linear-gradient(135deg, #c10c1e, #800000); /* แดงเข้ม */
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  padding: 14px 28px;
  border: none;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(193, 12, 30, 0.6); /* เงาสีแดง */
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  text-shadow:
    -1px -1px 0 #660000,
     1px -1px 0 #660000,
    -1px  1px 0 #660000,
     1px  1px 0 #660000;
}

#generateLinkBtn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  transform: skewX(-25deg);
  transition: left 1s ease;
}

#generateLinkBtn:hover::before {
  left: 120%;
}

#generateLinkBtn:hover {
   transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(193, 12, 30, 0.7);
}

#generateLinkBtn:active {
  transform: scale(0.96);
}


#copyLinkBtn {
  background: linear-gradient(135deg, #fffbe0, #ffcc00);
  color: #aa8800;
  font-size: 18px;
  font-weight: bold;
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(255, 204, 0, 0.4);
  text-shadow: 
    -1px -1px 0 #ffffff,
     1px -1px 0 #ffffff,
    -1px  1px 0 #ffffff,
     1px  1px 0 #ffffff;
  position: relative;
  overflow: hidden;
}

#copyLinkBtn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 50%;
  height: 100%;
  background: rgba(255, 255, 255, 0.3);
  transform: skewX(-25deg);
  transition: left 1s ease;
}

#copyLinkBtn:hover::before {
  left: 120%;
}

#copyLinkBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(255, 204, 0, 0.6);
}

#copyLinkBtn:active {
  transform: scale(0.96);
}

#backBtn {
  background: linear-gradient(135deg, #ffffff, #067ff1);
  color: #0044cc;
  font-size: 18px;
  font-weight: bold;
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 255, 0.25);
  text-shadow: 
    -1px -1px 0 #ffffff,
     1px -1px 0 #ffffff,
    -1px  1px 0 #ffffff,
     1px  1px 0 #ffffff;
}

#backBtn:hover {
  background: linear-gradient(135deg, #e0f0ff, #99ccff);
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 0, 255, 0.35);
}

#backBtn:active {
  transform: scale(0.97);
  box-shadow: 0 2px 6px rgba(0, 0, 255, 0.2);
}

#submitAnswerBtn {
  background: linear-gradient(135deg, #006eff, #b5c8ff);
  color: #ffffff;
  font-size: 20px;
  font-weight: bold;
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.25);
  text-shadow: 
    -1px -1px 0 #03afff,
     1px -1px 0 #03afff,
    -1px  1px 0 #03afff,
     1px  1px 0 #03afff;
}

#submitAnswerBtn:hover {
  background: linear-gradient(135deg, #006eff, #b5c8ff);
  transform: scale(1.05);
  box-shadow: 0 6px 14px rgba(0, 128, 0, 0.35);
}

#submitAnswerBtn:active {
  transform: scale(0.97);
  box-shadow: 0 2px 6px rgba(0, 128, 0, 0.2);
}


.lock-toggle {
  margin-top: 15px;
  margin-bottom: 15px;
  gap: 10px;
}


.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 28px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #4CAF50;
}

input:checked + .slider:before {
  transform: translateX(22px);
}
#btn-upload-users {
  background: linear-gradient(45deg, #007bff, #00bfff);
  color: white;
  border: none;
  padding: 15px 30px;
  font-size: 18px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
  width: 100%;
 
  margin: 0 auto 20px auto;
  display: block;
}
#btn-upload-users:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 123, 255, 0.6);
}
.loading-popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(5px);
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.3s ease;
}

.loading-popup.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  background: white;
  padding: 40px 30px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 0 20px rgba(0,0,0,0.2);
  max-width: 300px;
  animation: popup-fadein 0.4s ease;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 6px solid #f3f3f3;
  border-top: 6px solid #36c;
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes popup-fadein {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}