.toggle-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.toggle-btn {
  background: #2a2a2a;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.toggle-btn:hover {
  background: #3a3a3a;
}

.toggle-btn.active {
  background: #444;
  border-color: #aaa;
  color: white;
}


.toggle-btn[data-value="RVD"].active {
  background: #3a1a1a;
  color: white;
}

.toggle-btn[data-value="AOD"].active {
  background: #3a3a1a;
  color: white;
}

.toggle-btn[data-value="TLA"].active {
  background: #1a1a3a;
  color: white;
}

.toggle-btn[data-value="MEV"].active {
  background: #3a1a3a;
  color: white;
}

.file-btn {
  display: inline-block;
  background: #2a2a2a;
  color: #ccc;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
  transition: background 0.15s;
}

.file-btn:hover {
  background: #3a3a3a;
}


input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  width: 14px;
  height: 24px;
  margin-right: 4px;
  cursor: pointer;
  background: #444;
  border-radius: 4px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='16' viewBox='0 0 10 16'><path d='M5 0l-4 5h8z' fill='%23999999'/><path d='M5 16l-4-5h8z' fill='%23999999'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}

input[type="number"]::-webkit-inner-spin-button:hover {
  background: #999999;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='16' viewBox='0 0 10 16'><path d='M5 0l-4 5h8z' fill='%23404040'/><path d='M5 16l-4-5h8z' fill='%23404040'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}

input[type="number"]::-webkit-inner-spin-button:active {
  background: #ccc;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='16' viewBox='0 0 10 16'><path d='M5 0l-4 5h8z' fill='%23202020'/><path d='M5 16l-4-5h8z' fill='%23202020'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
}
/*
.upload-btn:hover {
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px;
}
*/
.upload-btn {
  position: relative;
  isolation: isolate;
}

.upload-btn:before {
  content: ''; 
  background: linear-gradient(30deg, #000000, #ffffff, #000000, #000000);
  position: absolute;
  top: -2px;
  left: -2px;
  background-size: 400%;
  z-index: -1;
  filter: blur(5px);
  width: calc(100% + 4px);
  height: calc(100% + 4px);
  animation: anim 20s linear infinite;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  border-radius: 10px;
}

.upload-btn:hover:before {
    opacity: 1;
}

.upload-btn:after {
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #353535;
    left: 0;
    top: 0;
    border-radius: 10px;
}

@keyframes anim {
    0% { background-position: 0 0; }
    50% { background-position: 500% 0; }
    100% { background-position: 1000% 0; }
}