* {
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  min-height: 100%;
  background: #0a0a0a;
  color: #ccc;
  font-family: "Courier New", Courier, monospace;
}

a {
  color: #00ff41;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wallet-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: #111;
  border-bottom: 1px solid #333;
}

.wallet-header h1 {
  margin: 0;
  font-size: 1rem;
  color: #fff;
}

.wallet-header h1 span {
  color: #00ff41;
}

.wallet-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  padding: 8px 14px;
  border: 1px solid #333;
  border-radius: 6px;
  background: #111;
  color: #fff;
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.btn:hover {
  border-color: #00ff41;
  color: #00ff41;
}

.btn-primary {
  background: #00ff41;
  color: #0a0a0a;
  border-color: #00ff41;
  font-weight: bold;
}

.btn-primary:hover {
  box-shadow: 0 0 16px rgba(0, 255, 65, 0.35);
  color: #0a0a0a;
}

.wallet-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px;
}

.balance-card {
  background: #111;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
  text-align: center;
}

.balance-label {
  color: #666;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.balance-value {
  font-size: 2.2rem;
  color: #00ff41;
  font-weight: bold;
}

.balance-meta {
  margin-top: 12px;
  color: #666;
  font-size: 0.8rem;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tab {
  padding: 8px 16px;
  border: 1px solid #333;
  border-radius: 6px;
  background: transparent;
  color: #888;
  cursor: pointer;
  font-family: inherit;
}

.tab.active {
  border-color: #00ff41;
  color: #00ff41;
  background: rgba(0, 255, 65, 0.08);
}

.panel {
  display: none;
  background: #111;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 20px;
}

.panel.active {
  display: block;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: #888;
  font-size: 0.85rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background: #0a0a0a;
  border: 1px solid #333;
  border-radius: 6px;
  color: #00ff41;
  font-family: inherit;
}

.address-box {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.address-box code {
  flex: 1;
  word-break: break-all;
  color: #00ff41;
  font-size: 0.85rem;
}

.qr-wrap {
  display: flex;
  justify-content: center;
  margin: 20px 0;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  width: fit-content;
  margin-inline: auto;
}

.tx-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tx-item {
  padding: 12px 0;
  border-bottom: 1px solid #222;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.tx-item:last-child {
  border-bottom: none;
}

.tx-send {
  color: #ff6666;
}

.tx-receive {
  color: #00ff41;
}

.tx-meta {
  font-size: 0.75rem;
  color: #666;
}

.toast {
  position: fixed;
  top: 70px;
  right: 16px;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 0.85rem;
  z-index: 20;
  max-width: 360px;
}

.toast.ok {
  background: #0a2a0a;
  border: 1px solid #00ff41;
  color: #00ff41;
}

.toast.err {
  background: #2a0a0a;
  border: 1px solid #ff4444;
  color: #ff4444;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 480px;
  background: #111;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 28px;
}

.login-card h1 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 1.2rem;
}

.login-card p {
  color: #666;
  font-size: 0.9rem;
}

.login-card .btn {
  width: 100%;
  margin-top: 10px;
}

.info-box {
  margin-top: 20px;
  padding: 14px;
  background: #0a0a0a;
  border-left: 3px solid #00ff41;
  font-size: 0.85rem;
  color: #888;
}

.login-card-wide {
  max-width: 560px;
}

.rpc-panel {
  margin: 20px 0;
  padding: 16px;
  background: #0a0a0a;
  border: 1px solid #333;
  border-radius: 8px;
}

.rpc-panel h2 {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: #fff;
}

.rpc-actions {
  margin-top: 8px;
}

.rpc-status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.rpc-status.ok {
  background: #0a2a0a;
  border: 1px solid #00ff41;
  color: #00ff41;
}

.rpc-status.err {
  background: #2a0a0a;
  border: 1px solid #ff4444;
  color: #ff4444;
}

.login-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.login-actions .btn {
  width: 100%;
}

.personal-wallet-panel {
  margin-bottom: 16px;
  padding: 14px;
  border: 1px solid #333;
  border-radius: 8px;
  background: #111;
}

.personal-wallet-panel h2 {
  margin: 0 0 10px;
  font-size: 1rem;
  color: #ccc;
}

.personal-wallet-panel p {
  margin: 0 0 10px;
  line-height: 1.5;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 640px) {
  .balance-value {
    font-size: 1.6rem;
  }
}