* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #0d0f14;
  color: #f0f3f9;
}

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.header {
  margin-bottom: 24px;
}

.header h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.header p {
  margin: 0;
  color: #aab3c5;
}

.wallet-status {
  margin-top: 16px;
}

.wallet-status button {
  background: #16a34a;
}

.panel {
  background: #161a22;
  border: 1px solid #242b38;
  border-radius: 12px;
  padding: 18px 18px 20px;
  margin-bottom: 18px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 18px;
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 13px;
  color: #9aa5b8;
}

.field input {
  height: 36px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #2b3446;
  background: #0c111b;
  color: #e6edf7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

button {
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  background: #2b66f6;
  color: #ffffff;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: #2c3342;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

pre {
  background: #0b0f16;
  border-radius: 10px;
  padding: 12px;
  min-height: 120px;
  white-space: pre-wrap;
  word-break: break-word;
  color: #c7d2e5;
}

.qr-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.qr-content {
  background: #161a22;
  border: 1px solid #242b38;
  border-radius: 16px;
  padding: 24px;
  max-width: 420px;
  width: 90%;
}

.qr-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.qr-header h3 {
  margin: 0;
  font-size: 20px;
  color: #f0f3f9;
}

.close-btn {
  background: transparent;
  border: none;
  font-size: 24px;
  color: #9aa5b8;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-btn:hover {
  color: #f0f3f9;
}

.qr-body {
  text-align: center;
}

#qrContainer {
  background: white;
  border-radius: 12px;
  padding: 16px;
  margin: 0 auto;
  display: inline-block;
  min-width: 280px;
  min-height: 280px;
}

#qrContainer canvas,
#qrContainer img {
  display: block;
  margin: 0 auto;
}

.qr-tip {
  margin: 16px 0 0;
  color: #9aa5b8;
  font-size: 14px;
}