body {
  margin: 0;
  font-family: Arial, sans-serif;
  
    background: #000 url('https://media.giphy.com/media/qgQUggAC3Pfv687qPC/giphy.gif') repeat center center fixed;
    background-size: cover;
    
  background-size: cover;
  color: white;
  display: flex;
  justify-content: center;
  padding: 30px 15px;
}

.wallet-box {
  background: rgba(0, 0, 0, 0.85);
  padding: 20px;
  border-radius: 15px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

.wallet-label {
  font-size: 0.9rem;
  color: cyan;
}

.wallet-amount {
  font-size: 1.8rem;
  font-weight: bold;
  color: gold;
  margin: 5px 0 15px;
}

input, select, button {
  display: block;
  width: 100%;
  margin: 8px 0;
  padding: 10px;
  border-radius: 8px;
  border: none;
  font-size: 1rem;
}

button {
  background: cyan;
  color: black;
  font-weight: bold;
  cursor: pointer;
}

.notice {
  color: red;
  font-size: 0.9rem;
}

.history {
  margin-top: 20px;
  text-align: left;
}

.history h3 {
  font-size: 1.1rem;
  color: gold;
}

#tx-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.9rem;
}

.market {
  margin-top: 20px;
  text-align: left;
}
.market h3 {
  font-size: 1.1rem;
  color: cyan;
}
#market-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.9rem;
  color: #90e0ef;
}

.receipt-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0; top: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
}
.receipt-content {
  background: #111;
  color: white;
  padding: 20px;
  max-width: 90%;
  width: 300px;
  margin: 15% auto;
  border-radius: 10px;
  box-shadow: 0 0 10px gold;
}
.receipt-content h3 {
  margin-top: 0;
  color: gold;
}
.receipt-content button {
  margin-top: 10px;
  background: cyan;
  color: black;
  padding: 8px 20px;
  border: none;
  border-radius: 8px;
  font-weight: bold;
}

.chart-section {
  margin: 20px auto;
  padding: 10px;
  background-color: rgba(255, 215, 0, 0.05);
  border: 1px solid gold;
  border-radius: 12px;
}
.chart-section h3 {
  color: gold;
  text-align: center;
  margin-bottom: 10px;
}


input, select, button {
  max-width: 100%;
  box-sizing: border-box;
  display: block;
  width: 100%;
  margin-top: 5px;
}

input[type="number"], input[type="text"], select {
  padding: 10px;
  font-size: 1rem;
  border-radius: 6px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}