* {
  box-sizing: border-box;
  font-family: monospace;
}

body {
  margin: 0;
  background: black;
  color: #aaa;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 360px;
  margin: auto;
}

.title {
  color: white;
  text-align: center;
  margin-bottom: 10px;
  font-size: 2rem;
}

.note {
  text-align: center;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.red { color: red; }
.green { color: #00ff00; }
.blue { color: #1e90ff; }

.status {
  text-align: center;
  margin-bottom: 25px;
  font-size: 0.9rem;
}

label {
  display: block;
  margin-top: 15px;
  font-size: 0.9rem;
}

label span {
  color: red;
}

input {
  width: 100%;
  padding: 12px;
  background: black;
  border: 1px solid #444;
  color: white;
  font-size: 1rem;
  border-radius: 4px;
}

input:focus {
  outline: none;
  border-color: #1e90ff;
}

select {
  width: 100%;
  padding: 12px;
  background: black;
  border: 1px solid #444;
  color: white;
  font-size: 1rem;
  border-radius: 4px;
}

select:focus {
  outline: none;
  border-color: #1e90ff;
}

.captcha-box {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  flex-wrap: wrap;
}

.captcha-img {
  flex: 1;
  min-width: 100px;
  background: #111;
  border: 1px solid #444;
  text-align: center;
  line-height: 45px;
  font-size: 22px;
  letter-spacing: 2px;
  border-radius: 4px;
}

.captcha-box input {
  flex: 2;
  min-width: 120px;
}

.buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-direction: column;
}

button {
  width: 100%;
  padding: 14px;
  border: none;
  color: black;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  border-radius: 4px;
  transition: opacity 0.2s;
}

.green-btn {
  background: #7fb800;
}

.blue-btn {
  background: #2fa4d9;
}

button:hover {
  opacity: 0.85;
}

.hidden {
  display: none;
}

/* Media Queries for Mobile Optimization */
@media (max-width: 480px) {
  .container {
    padding: 10px;
  }
  
  .title {
    font-size: 1.8rem;
  }

  .buttons {
    gap: 12px;
  }

  button {
    padding: 16px;
  }
  
  input, select {
    padding: 14px;
  }
}

/* Existing styles for other components */
.payment-box {
  border: 1px solid #444;
  padding: 15px;
  margin: 20px 0;
}

.wallet {
  background: #111;
  padding: 10px;
  color: #00ff00;
  word-break: break-all;
  border: 1px solid #444;
  margin: 10px 0;
}

.full {
  width: 100%;
}

.small {
  font-size: 13px;
  text-align: center;
}