body {
  font-family: 'Roboto', sans-serif;
  background-color: #f5f5f5;
  color: #1A2526;
  margin: 0;
  padding: 0; /* Removed padding to eliminate extra space */
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh; /* Kept to ensure full height, but adjusted with flex */
}
h1 {
  font-family: 'Montserrat', sans-serif;
  color: #F7931A;
  text-align: center;
  margin-bottom: 20px;
}
table {
  width: 90%;
  max-width: 600px;
  border-collapse: collapse;
  background-color: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
}
th, td {
  padding: 12px 15px;
  text-align: right;
  border-bottom: 1px solid #ddd;
}
th {
  background: linear-gradient(135deg, #F7931A 0%, #FFD700 100%);
  color: #fff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
td {
  color: #1A2526;
}
tr:nth-child(even) {
  background-color: #f9f9f9;
}
tr:hover {
  background-color: #fff3e0;
}
.usd {
  color: #F7931A;
  font-weight: 700;
}
.highlight {
  animation: highlight 1s ease-in-out;
  will-change: background-color; /* Force animation on iOS */
}
@keyframes highlight {
  0% { background-color: #FFD700; }
  100% { background-color: transparent; }
}
.countdown {
  margin-top: 20px;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  color: #F7931A;
  font-weight: 700;
  text-align: center;
  width: 100%;
}
.tip-jar {
  margin-top: 15px;
  font-family: 'Roboto', sans-serif;
  font-size: 14px;
  color: #1A2526;
  text-align: center;
  width: 100%;
}
.lightning-address {
  color: #F7931A;
  font-weight: 700;
}
.conversion-box {
  margin-top: 20px;
  width: 70%;
  max-width: 400px;
  background-color: #fff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  color: #1A2526;
}
.conversion-box p {
  margin: 0;
}
.conversion-box #satsValue,
.conversion-box #customSatsValue {
  color: #F7931A;
  font-weight: 700;
}
.conversion-box input {
  padding: 5px;
  font-size: 16px;
  width: 70px;
  text-align: right;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin: 0 3px;
}