/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2235;
  --bg-card-hover: #1e2a40;
  --bg-input: #0d1526;
  --border: #2a3a55;
  --border-light: #3a4f70;
  --accent: #26a17b;
  --accent-hover: #2ebd8e;
  --accent-light: rgba(38, 161, 123, 0.15);
  --accent-glow: rgba(38, 161, 123, 0.3);
  --text-primary: #e8edf5;
  --text-secondary: #8a9bb5;
  --text-muted: #5a6a85;
  --success: #26a17b;
  --error: #e74c3c;
  --warning: #f39c12;
  --info: #3498db;
  --gold: #f0b90b;
  --usdt-green: #26a17b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Space Grotesk', 'Trebuchet MS', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  background-image: 
    radial-gradient(ellipse at 20% 20%, rgba(38, 161, 123, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(52, 152, 219, 0.05) 0%, transparent 50%),
    linear-gradient(180deg, #070d1a 0%, #0a0f1d 58%, #0b1221 100%);
}

.hidden {
  display: none !important;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== HEADER ===== */
.header {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: white;
  box-shadow: 0 0 16px var(--accent-glow);
}

.logo-icon-image {
  padding: 0;
  object-fit: cover;
  background: transparent;
  border-radius: 50%;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.logo-text span {
  color: var(--usdt-green);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.network-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.network-dot {
  width: 8px;
  height: 8px;
  background: var(--usdt-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.metamask-status {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.metamask-status.detected { color: var(--success); border-color: var(--success); }
.metamask-status.demo { color: var(--warning); border-color: var(--warning); }

/* ===== CONNECT BUTTON ===== */
.btn-connect {
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-connect:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-connect.connected {
  background: var(--bg-card);
  border: 1px solid var(--usdt-green);
  color: var(--usdt-green);
  box-shadow: none;
  cursor: default;
}

.btn-connect:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== PRICE TICKER ===== */
.price-ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 5px 14px;
  white-space: nowrap;
}

.price-ticker-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.ticker-label {
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ticker-value {
  color: var(--text-primary);
}

.ticker-value.up   { color: var(--success); }
.ticker-value.down { color: var(--error); }

.price-ticker-sep {
  color: var(--border-light);
}

/* ===== FOCUS-VISIBLE ACCESSIBILITY ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== MAIN LAYOUT ===== */
.main-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .main-container {
    grid-template-columns: 1fr;
    padding: 16px;
  }
  /* On mobile: hide less-critical header items, keep selectors visible */
  .network-badge { display: none; }
  .metamask-status { display: none; }
  .mode-badge { display: none; }
  .price-ticker { display: none !important; }
  .header-right { gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
  .header { height: auto; min-height: 64px; padding: 10px 16px; flex-wrap: wrap; gap: 8px; }
  .header-logo { flex: 0 0 auto; }
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  animation: card-fade-in 280ms ease;
}

.card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

@keyframes card-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon {
  font-size: 18px;
}

/* ===== WALLET SECTION ===== */
.wallet-section {
  grid-column: 1 / -1;
}

.wallet-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 600px) {
  .wallet-info-grid { grid-template-columns: 1fr; }
}

.wallet-stat {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.wallet-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.wallet-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.wallet-stat-value .currency {
  font-size: 13px;
  font-weight: 500;
  color: var(--usdt-green);
}

.wallet-stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.wallet-address-box {
  margin-top: 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wallet-address-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.wallet-address-value {
  font-size: 13px;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

.wallet-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-light);
  border: 1px solid var(--usdt-green);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--usdt-green);
  font-weight: 600;
  white-space: nowrap;
}

/* ===== SEND FORM ===== */
.send-section {
  grid-column: 1;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--text-primary);
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-input:focus {
  border-color: var(--usdt-green);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.amount-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.amount-wrapper .form-input {
  padding-right: 100px;
}

.amount-suffix {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.currency-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--usdt-green);
  background: var(--accent-light);
  padding: 3px 8px;
  border-radius: 6px;
}

.btn-max {
  font-size: 11px;
  font-weight: 700;
  color: var(--usdt-green);
  background: transparent;
  border: 1px solid var(--usdt-green);
  border-radius: 6px;
  padding: 3px 8px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.btn-max:hover {
  background: var(--accent-light);
}

.amount-usd {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  padding-left: 4px;
}

.address-indicator {
  font-size: 12px;
  margin-top: 6px;
  padding-left: 4px;
  font-weight: 500;
}

.address-indicator.valid { color: var(--success); }
.address-indicator.invalid { color: var(--error); }

.btn-send {
  width: 100%;
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
  box-shadow: 0 4px 20px var(--accent-glow);
  letter-spacing: 0.3px;
}

.btn-send:hover {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--accent-glow);
}

.btn-send:active {
  transform: translateY(0);
}

.send-icon {
  font-size: 18px;
}

/* ===== TRANSACTION HISTORY ===== */
.history-section {
  grid-column: 2;
  grid-row: 2 / 4;
  max-height: 600px;
  display: flex;
  flex-direction: column;
}

@media (max-width: 768px) {
  .history-section { grid-column: 1; grid-row: auto; max-height: 400px; }
  .send-section { grid-column: 1; }
  .history-toolbar { grid-template-columns: 1fr; }
  .history-stats { grid-template-columns: repeat(2, 1fr); }
}

.history-count {
  background: var(--usdt-green);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 22px;
  text-align: center;
}

.btn-clear {
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-clear:hover {
  color: var(--error);
  border-color: var(--error);
}

.history-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.history-toolbar {
  display: grid;
  grid-template-columns: 1fr 150px 150px;
  gap: 10px;
  margin-bottom: 12px;
}

.history-search {
  padding: 10px 12px;
  font-size: 13px;
}

.history-filter-select {
  width: 100%;
  padding: 8px 10px;
}

.history-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.history-stat-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.history-stat-item span {
  font-size: 11px;
  color: var(--text-muted);
}

.history-stat-item strong {
  font-size: 13px;
  color: var(--text-primary);
}

.live-top-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.live-top-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-secondary);
}

.live-top-item strong {
  color: var(--text-primary);
}

.live-event-row {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 8px;
}

.live-event-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 4px;
}

.live-event-type {
  color: var(--usdt-green);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.live-event-time {
  color: var(--text-muted);
}

.live-event-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  font-size: 12px;
  color: var(--text-secondary);
}

.history-list {
  flex: 1;
  overflow-y: auto;
  margin-top: 4px;
}

.history-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.history-empty .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.history-empty p {
  font-size: 14px;
}

.tx-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.tx-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
}

.tx-status.confirmed { color: var(--success); }

.status-dot {
  width: 7px;
  height: 7px;
  background: currentColor;
  border-radius: 50%;
}

.tx-time {
  font-size: 11px;
  color: var(--text-muted);
}

.tx-amount {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}

.tx-amount-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.tx-currency {
  font-size: 13px;
  font-weight: 600;
  color: var(--usdt-green);
}

.tx-usd {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
}

.tx-addresses {
  margin-bottom: 8px;
}

.tx-addr-row, .tx-hash-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 3px;
}

.addr-label {
  color: var(--text-muted);
  min-width: 40px;
}

.addr-value {
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
}

.tx-hash-link {
  color: var(--info);
  text-decoration: none;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  transition: var(--transition);
}

.tx-hash-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.tx-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  padding: 6px 10px;
  background: var(--bg-card);
  border-radius: 6px;
  border-left: 3px solid var(--border-light);
}

/* ===== INFO SECTION ===== */
.info-section {
  grid-column: 1;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 10px 12px;
  background: var(--bg-input);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.info-item .info-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

.info-item.highlight {
  border-color: var(--usdt-green);
  background: var(--accent-light);
  color: var(--text-primary);
}

.info-item.warning {
  border-color: var(--warning);
  background: rgba(243, 156, 18, 0.08);
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  transition: var(--transition);
  line-height: 1;
}

.btn-close:hover {
  color: var(--text-primary);
  background: var(--bg-input);
}

.modal-body {
  padding: 24px;
}

/* Confirm Step */
.confirm-details {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
}

.confirm-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.confirm-row:last-child { border-bottom: none; }

.confirm-row-label {
  color: var(--text-muted);
  font-size: 13px;
}

.confirm-row-value {
  color: var(--text-primary);
  font-weight: 500;
  font-family: 'Courier New', monospace;
  font-size: 13px;
}

.confirm-amount-big {
  text-align: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.confirm-amount-big .amount-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
}

.confirm-amount-big .amount-cur {
  font-size: 18px;
  font-weight: 600;
  color: var(--usdt-green);
  margin-left: 6px;
}

.confirm-amount-big .amount-usd-eq {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.modal-actions {
  display: flex;
  gap: 12px;
}

.btn-cancel {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-cancel:hover {
  border-color: var(--error);
  color: var(--error);
}

.btn-confirm {
  flex: 2;
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-confirm:hover {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-1px);
}

/* Processing Step */
.processing-content {
  text-align: center;
  padding: 10px 0;
}

.processing-spinner {
  width: 60px;
  height: 60px;
  border: 3px solid var(--border);
  border-top-color: var(--usdt-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.processing-status {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 20px;
}

.progress-container {
  background: var(--bg-input);
  border-radius: 10px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--usdt-green), var(--accent-hover));
  border-radius: 10px;
  width: 0%;
  transition: width 0.5s ease;
  box-shadow: 0 0 10px var(--accent-glow);
}

.confirm-counter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  border: 1px solid var(--usdt-green);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--usdt-green);
  font-weight: 600;
  margin-bottom: 12px;
}

.pending-hash-row {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.pending-hash {
  color: var(--info);
  font-family: 'Courier New', monospace;
}

/* Success Step */
.success-content {
  text-align: center;
}

.success-icon {
  width: 70px;
  height: 70px;
  background: var(--accent-light);
  border: 2px solid var(--usdt-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 20px;
  animation: successPop 0.4s ease;
}

@keyframes successPop {
  0% { transform: scale(0.5); opacity: 0; }
  70% { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.success-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.success-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.success-amount-display {
  background: var(--accent-light);
  border: 1px solid var(--usdt-green);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
}

.success-amount-display .s-amount {
  font-size: 28px;
  font-weight: 800;
  color: var(--usdt-green);
}

.success-amount-display .s-to {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.success-details {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 20px;
  text-align: left;
}

.success-detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.success-detail-row:last-child { border-bottom: none; }

.s-label { color: var(--text-muted); }
.s-value { color: var(--text-secondary); font-family: 'Courier New', monospace; }

.tx-hash-box {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tx-hash-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.tx-hash-display {
  font-size: 12px;
  color: var(--info);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

.btn-copy {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-copy:hover {
  border-color: var(--usdt-green);
  color: var(--usdt-green);
}

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

.btn-etherscan {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 11px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-etherscan:hover {
  border-color: var(--info);
  color: var(--info);
}

.btn-new-tx {
  flex: 1;
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
}

.btn-new-tx:hover {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-1px);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--usdt-green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ===== NOTIFICATIONS ===== */
#notification-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.notification {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  min-width: 280px;
  max-width: 360px;
  transform: translateX(120%);
  transition: transform 0.3s ease;
  pointer-events: all;
}

.notif-message {
  flex: 1;
  line-height: 1.4;
}

.notif-close {
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px;
}

.notif-close:hover {
  color: var(--text-primary);
}

.notification.show {
  transform: translateX(0);
}

.notification-success { border-left: 3px solid var(--success); }
.notification-error   { border-left: 3px solid var(--error); }
.notification-warning { border-left: 3px solid var(--warning); }
.notification-info    { border-left: 3px solid var(--info); }

.notif-icon {
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.notification-success .notif-icon { color: var(--success); }
.notification-error   .notif-icon { color: var(--error); }
.notification-warning .notif-icon { color: var(--warning); }
.notification-info    .notif-icon { color: var(--info); }

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

.footer a {
  color: var(--usdt-green);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* ===== FAUCET BUTTON ===== */
.btn-faucet {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
}
.btn-faucet:hover:not(:disabled) {
  background: linear-gradient(135deg, #38bdf8, #0ea5e9);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.4);
}
.btn-faucet:disabled {
  cursor: not-allowed;
  background: var(--bg-card-hover);
  color: var(--text-muted);
}

.balance-checker-section {
  grid-column: 1;
}

.btn-check {
  background: linear-gradient(135deg, var(--info), #2176ae);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-check:hover {
  background: linear-gradient(135deg, #4aabf0, #2176ae);
  transform: translateY(-1px);
}

.checker-result {
  margin-top: 12px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.checker-result-inner {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}

.checker-addr {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
  margin-bottom: 12px;
  word-break: break-all;
}

.checker-balance-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 6px;
}

.checker-balance-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--usdt-green);
}

.checker-balance-cur {
  font-size: 18px;
  font-weight: 700;
  color: var(--usdt-green);
}

.checker-usd {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.checker-note {
  font-size: 12px;
  color: var(--text-muted);
  padding: 6px 12px;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border);
  display: inline-block;
}

/* ===== DEPLOY WARNING BANNER ===== */
.deploy-warning-banner {
  background: rgba(243, 156, 18, 0.1);
  border: 1px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-top: 14px;
  animation: fadeIn 0.3s ease;
}

.deploy-warning-inner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.deploy-warning-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.deploy-warning-text {
  flex: 1;
  font-size: 13px;
  line-height: 1.5;
}

.deploy-warning-text strong {
  color: #f5c842;
  display: block;
  margin-bottom: 2px;
  font-size: 13px;
}

.deploy-warning-text span {
  color: var(--text-secondary);
}

.deploy-warning-text code {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(243,156,18,0.3);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: #f5c842;
  font-family: 'Courier New', monospace;
}

.deploy-warning-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  transition: var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.deploy-warning-close:hover {
  color: var(--warning);
  background: rgba(243, 156, 18, 0.1);
}

/* ===== DEMO BANNER ===== */
.demo-banner {
  grid-column: 1 / -1;
  background: rgba(243, 156, 18, 0.12);
  border: 1px solid var(--warning);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 13px;
  color: #f5c842;
  text-align: center;
}

/* ===== CONNECT PROMPT ===== */
.connect-prompt {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
}

.connect-prompt-icon {
  font-size: 56px;
  margin-bottom: 16px;
  opacity: 0.7;
}

.connect-prompt h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.connect-prompt p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.btn-connect-large {
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px var(--accent-glow);
}

.btn-connect-large:hover {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-2px);
  box-shadow: 0 6px 32px var(--accent-glow);
}

.btn-demo-large {
  background: linear-gradient(135deg, #7c3aed, #5b21b6);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.3);
}

.btn-demo-large:hover {
  background: linear-gradient(135deg, #8b5cf6, #7c3aed);
  transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(124, 58, 237, 0.4);
}

/* ===== ADD TOKEN BUTTON ===== */
.btn-add-token {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #f6851b, #e2761b);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn-add-token:hover {
  background: linear-gradient(135deg, #f8a04b, #f6851b);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(246, 133, 27, 0.4);
}

/* ===== DEPLOY PANEL ===== */
.deploy-panel {
  border-color: var(--usdt-green);
  background: linear-gradient(135deg, rgba(38,161,123,0.06), var(--bg-card));
}

.deploy-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.deploy-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.deploy-step-num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: white;
  box-shadow: 0 0 10px var(--accent-glow);
}

.deploy-step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.deploy-step-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.deploy-step-desc a {
  color: var(--usdt-green);
  text-decoration: none;
}

.deploy-step-desc a:hover {
  text-decoration: underline;
}

.deploy-step-desc code {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--info);
}

.btn-save-contract {
  background: linear-gradient(135deg, var(--usdt-green), #1a8a65);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.btn-save-contract:hover {
  background: linear-gradient(135deg, var(--accent-hover), #22a07a);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ===== MODE BADGE ===== */
.mode-badge {
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.mode-badge.real {
  background: rgba(38, 161, 123, 0.15);
  border-color: var(--usdt-green);
  color: var(--usdt-green);
  box-shadow: 0 0 12px rgba(38, 161, 123, 0.2);
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(38, 161, 123, 0.2); }
  50% { box-shadow: 0 0 18px rgba(38, 161, 123, 0.4); }
}

/* ===== METAMASK STATUS ERROR ===== */
.metamask-status.error {
  color: var(--error);
  border-color: var(--error);
}

/* ===== NO METAMASK MESSAGE ===== */
.no-metamask-msg {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.no-mm-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.8;
}

.no-metamask-msg h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.no-metamask-msg p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-install-mm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f6851b, #e2761b);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(246, 133, 27, 0.4);
}

.btn-install-mm:hover {
  background: linear-gradient(135deg, #f8a04b, #f6851b);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(246, 133, 27, 0.5);
  text-decoration: none;
}

/* ===== CONNECT PROMPT FEATURES ===== */
.connect-prompt-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  max-width: 420px;
  margin: 0 auto 28px;
}

.feature-item {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: left;
}

.connect-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 14px;
  margin-bottom: 0;
}

/* ===== WALLET ACTIONS ===== */
.wallet-actions {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== REFRESH BUTTON ===== */
.btn-refresh {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.btn-refresh:hover:not(:disabled) {
  border-color: var(--usdt-green);
  color: var(--usdt-green);
  transform: rotate(30deg);
}

.btn-refresh:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== COPY ADDRESS BUTTON ===== */
.btn-copy-addr {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-copy-addr:hover {
  border-color: var(--usdt-green);
  color: var(--usdt-green);
}

/* ===== RECEIVE SECTION ===== */
.receive-section {
  margin-top: 14px;
  background: rgba(38, 161, 123, 0.06);
  border: 1px solid rgba(38, 161, 123, 0.3);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.receive-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--usdt-green);
  margin-bottom: 10px;
}

.receive-address-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 8px;
}

.receive-address {
  flex: 1;
  font-size: 12px;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

.btn-copy-small {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-copy-small:hover {
  border-color: var(--usdt-green);
  color: var(--usdt-green);
}

.receive-hint {
  font-size: 11px;
  color: var(--text-muted);
}

/* ===== REAL MODE TAG ===== */
.real-mode-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--usdt-green);
  background: var(--accent-light);
  border: 1px solid rgba(38, 161, 123, 0.4);
  border-radius: 20px;
  padding: 4px 10px;
  letter-spacing: 0.3px;
}

/* ===== TAG BADGE ===== */
.tag-badge {
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-input);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* ===== TX REAL / DEMO BADGES ===== */
.tx-badge-real {
  font-size: 10px;
  font-weight: 700;
  color: var(--usdt-green);
  background: var(--accent-light);
  border: 1px solid rgba(38, 161, 123, 0.4);
  border-radius: 10px;
  padding: 2px 7px;
  margin-left: 6px;
  letter-spacing: 0.3px;
}

.tx-badge-demo {
  font-size: 10px;
  font-weight: 700;
  color: #a78bfa;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(124, 58, 237, 0.3);
  border-radius: 10px;
  padding: 2px 7px;
  margin-left: 6px;
  letter-spacing: 0.3px;
}

.tx-real {
  border-left: 3px solid var(--usdt-green);
}

.tx-demo {
  border-left: 3px solid #7c3aed;
  opacity: 0.85;
}

/* ===== FAUCET CLAIMED STATE ===== */
.btn-faucet.claimed {
  background: var(--bg-card-hover);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
}

/* ===== WALLET CONNECT BUTTONS (Connect Prompt) ===== */
.wallet-connect-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.btn-connect-metamask {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #f6851b, #e2761b);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(246, 133, 27, 0.35);
  font-family: inherit;
  min-width: 160px;
  justify-content: center;
}

.btn-connect-metamask:hover {
  background: linear-gradient(135deg, #f8a04b, #f6851b);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(246, 133, 27, 0.5);
}

.btn-connect-trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #3375bb, #1a5fa8);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(51, 117, 187, 0.35);
  font-family: inherit;
  min-width: 160px;
  justify-content: center;
}

.btn-connect-trust:hover {
  background: linear-gradient(135deg, #4a8fd4, #3375bb);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(51, 117, 187, 0.5);
}

/* ===== WALLET SELECTOR MODAL ===== */
.wallet-selector-box {
  max-width: 380px;
}

.wallet-selector-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.wallet-option {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  font-family: inherit;
}

.wallet-option:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
  transform: translateX(3px);
}

.wallet-option-metamask:hover {
  border-color: #f6851b;
  box-shadow: 0 0 12px rgba(246, 133, 27, 0.2);
}

.wallet-option-trust:hover {
  border-color: #3375bb;
  box-shadow: 0 0 12px rgba(51, 117, 187, 0.2);
}

.wallet-option-generic:hover {
  border-color: var(--usdt-green);
  box-shadow: 0 0 12px var(--accent-glow);
}

.wallet-option-icon {
  font-size: 28px;
  flex-shrink: 0;
  line-height: 1;
}

.wallet-option-info {
  flex: 1;
}

.wallet-option-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.wallet-option-desc {
  font-size: 12px;
  color: var(--text-muted);
}

.wallet-option-arrow {
  font-size: 18px;
  color: var(--text-muted);
  transition: var(--transition);
}

.wallet-option:hover .wallet-option-arrow {
  color: var(--text-primary);
  transform: translateX(3px);
}

/* ===== ETH FAUCET LINK ===== */
.eth-faucet-link {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  cursor: pointer;
}
.eth-faucet-link:hover {
  border-color: var(--usdt-green);
  background: var(--accent-light);
  transform: translateX(3px);
}

.wallet-install-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.wallet-install-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: var(--transition);
}

.wallet-install-link:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
  background: var(--bg-input);
  text-decoration: none;
}

/* ===== NETWORK SELECTOR ===== */
.network-selector-wrap {
  display: flex;
  align-items: center;
  position: relative;
}

.network-selector-wrap::after {
  content: '▾';
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 11px;
  color: var(--text-muted);
  pointer-events: none;
}

.network-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 28px 7px 10px;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  min-width: 0;
}

/* Token selector — distinct style */
#token-select {
  font-weight: 700;
  letter-spacing: 0.3px;
  padding-left: 12px;
}

#token-select.token-usdt {
  border-color: rgba(38,161,123,0.6);
  color: #26a17b;
  background: rgba(38,161,123,0.08);
}

#token-select.token-usdc {
  border-color: rgba(39,117,202,0.6);
  color: #2775ca;
  background: rgba(39,117,202,0.08);
}

/* ===== TOKEN TOGGLE BUTTONS ===== */
.token-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
}
.token-btn {
  padding: 5px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  background: transparent;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  line-height: 1.4;
}
.token-btn:not(.active):hover {
  background: var(--bg-card);
  color: var(--text-secondary);
}
.token-btn-usdt.active {
  background: rgba(38,161,123,0.18);
  color: #26a17b;
  border-color: rgba(38,161,123,0.55);
}
.token-btn-usdt-mainnet.active {
  background: rgba(240,185,11,0.18);
  color: #f0b90b;
  border-color: rgba(240,185,11,0.55);
}
.token-btn-usdc.active {
  background: rgba(39,117,202,0.18);
  color: #2775ca;
  border-color: rgba(39,117,202,0.55);
}

.network-select:hover,
.network-select:focus {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.network-select option {
  background: #1a2235;
  color: #e8edf5;
  font-weight: 600;
}

/* ===== TRANSACTION HISTORY ITEMS (app.js format) ===== */
.tx-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 10px;
  transition: var(--transition);
}

.tx-item:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.tx-item.tx-send    { border-left: 3px solid var(--usdt-green); }
.tx-item.tx-receive { border-left: 3px solid var(--info); }
.tx-item.tx-faucet  { border-left: 3px solid #0ea5e9; }

.tx-icon {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.tx-details {
  flex: 1;
  min-width: 0;
}

.tx-type {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.tx-item .tx-amount {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.tx-item .tx-usd {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.tx-item .tx-note {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 8px;
  background: var(--bg-card);
  border-radius: 5px;
  border-left: 2px solid var(--border-light);
  margin-bottom: 4px;
}

.tx-hash-short {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.tx-hash-short a {
  color: var(--info);
  text-decoration: none;
  font-family: 'Courier New', monospace;
}

.tx-hash-short a:hover {
  text-decoration: underline;
}

.tx-item .tx-time {
  font-size: 11px;
  color: var(--text-muted);
}

.no-tx {
  text-align: center;
  padding: 32px 20px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ===== ETHERSCAN-STYLE TRANSACTION CARDS ===== */

.etx-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.etx-card:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

/* Left accent border by type */
.etx-send    { border-left: 3px solid var(--usdt-green); }
.etx-receive { border-left: 3px solid var(--info); }
.etx-faucet  { border-left: 3px solid #0ea5e9; }

/* ── Header ── */
.etx-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
}

.etx-header-left {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.etx-icon {
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 1px;
  line-height: 1;
}

.etx-meta {
  flex: 1;
  min-width: 0;
}

.etx-type-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 3px;
}

.etx-type-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 2px 7px;
  border-radius: 5px;
}

.etx-type-send    { background: rgba(38,161,123,0.15); color: var(--usdt-green); }
.etx-type-receive { background: rgba(52,152,219,0.15); color: var(--info); }
.etx-type-faucet  { background: rgba(14,165,233,0.15); color: #0ea5e9; }

.etx-net-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.etx-token-chip {
  font-size: 10px;
  font-weight: 800;
  border: 1px solid;
  border-radius: 10px;
  padding: 1px 7px;
  letter-spacing: 0.5px;
}

.etx-status-badge {
  font-size: 10px;
  font-weight: 700;
  color: var(--usdt-green);
  background: rgba(38,161,123,0.12);
  border: 1px solid rgba(38,161,123,0.35);
  border-radius: 10px;
  padding: 1px 7px;
  letter-spacing: 0.3px;
}

.etx-time {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Header right — amounts ── */
.etx-header-right {
  text-align: right;
  flex-shrink: 0;
}

.etx-amount-main {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.etx-eth-equiv {
  font-size: 12px;
  font-weight: 600;
  color: #a78bfa;
  margin-top: 2px;
  white-space: nowrap;
}

.etx-usd-val {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ── Body ── */
.etx-body {
  padding: 10px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.etx-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
}

.etx-row-label {
  color: var(--text-muted);
  min-width: 32px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  flex-shrink: 0;
}

.etx-row-value {
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  font-size: 12px;
}

.etx-row-sep {
  color: var(--border-light);
  margin: 0 4px;
}

.etx-addr {
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  cursor: default;
}

.etx-note {
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 8px;
  background: var(--bg-card);
  border-radius: 5px;
  border-left: 2px solid var(--border-light);
  margin: 2px 0;
}

.etx-hash-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-top: 2px;
}

.etx-hash-link {
  color: var(--info);
  text-decoration: none;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  word-break: break-all;
  transition: color 0.2s;
}

.etx-hash-link:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

/* ── Success modal ETH row ── */
.s-eth-row .s-eth-value {
  color: #a78bfa !important;
  font-weight: 700;
}

/* ===== BALANCE CHECKER RESULT (app.js innerHTML format) ===== */
.checker-success {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
  animation: fadeIn 0.3s ease;
}

.checker-error {
  display: block;
  color: var(--error);
  font-size: 13px;
  font-weight: 600;
  padding: 12px;
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: var(--radius-sm);
  animation: fadeIn 0.3s ease;
}

.checker-loading {
  display: block;
  color: var(--text-muted);
  font-size: 13px;
  padding: 12px;
  text-align: center;
  animation: fadeIn 0.3s ease;
}

.checker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.checker-row:last-child {
  border-bottom: none;
}

.checker-row span:first-child {
  color: var(--text-muted);
}

.checker-row span:last-child {
  color: var(--text-primary);
  font-weight: 500;
}

.checker-row .checker-addr {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text-secondary);
}

.checker-row .checker-amount {
  color: var(--usdt-green);
  font-weight: 700;
  font-size: 14px;
}

/* ===== TAB NAVIGATION ===== */
.tab-nav {
  display: flex;
  background: linear-gradient(180deg, rgba(18,28,48,0.95), rgba(14,23,40,0.92));
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  gap: 4px;
  position: sticky;
  top: 64px;
  z-index: 90;
}
.tab-btn {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  padding: 14px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: linear-gradient(180deg, rgba(38, 161, 123, 0.12), rgba(38, 161, 123, 0.03));
}
.tab-icon { font-size: 16px; }
.tab-badge {
  background: var(--accent);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* ===== OPS STRIP ===== */
.ops-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 9px 16px;
  position: sticky;
  top: 112px;
  z-index: 89;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(38, 161, 123, 0.12), rgba(52, 152, 219, 0.08));
  backdrop-filter: blur(10px);
}

.ops-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.ops-btn:hover {
  border-color: var(--accent);
  background: rgba(38, 161, 123, 0.12);
  transform: translateY(-1px);
}

.ops-shortcuts {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

.sync-pill {
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  padding: 6px 12px;
}

.sync-pill.ok {
  color: var(--success);
  border-color: rgba(38, 161, 123, 0.5);
  background: rgba(38, 161, 123, 0.15);
}

.sync-pill.syncing {
  color: var(--info);
  border-color: rgba(52, 152, 219, 0.5);
  background: rgba(52, 152, 219, 0.16);
}

.sync-pill.error {
  color: var(--error);
  border-color: rgba(231, 76, 60, 0.5);
  background: rgba(231, 76, 60, 0.14);
}

/* ===== PASTE BUTTON ===== */
.btn-paste {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  font-family: inherit;
}
.btn-paste:hover { border-color: var(--accent); color: var(--accent); }

/* ===== QUICK AMOUNT BUTTONS ===== */
.quick-amounts {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}
.btn-quick-amount {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 6px 0;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-quick-amount:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

/* ===== SEND BALANCE HINT ===== */
.send-balance-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ===== HISTORY EMPTY STATE ===== */
.history-empty {
  text-align: center;
  padding: 48px 24px;
}

/* ===== MOBILE BOTTOM NAV ===== */
@media (max-width: 640px) {
  .ops-strip {
    top: auto;
    bottom: 62px;
    padding: 8px 10px;
    justify-content: space-between;
  }

  .ops-shortcuts {
    display: none;
  }

  .ops-btn {
    font-size: 11px;
    padding: 6px 10px;
  }

  .sync-pill {
    font-size: 10px;
    padding: 5px 10px;
  }

  .tab-nav {
    position: fixed;
    bottom: 0;
    top: auto;
    left: 0;
    right: 0;
    z-index: 200;
    border-top: 1px solid var(--border);
    border-bottom: none;
    padding: 0;
    justify-content: space-around;
    background: rgba(17, 24, 39, 0.97);
    backdrop-filter: blur(20px);
  }
  .tab-btn {
    flex-direction: column;
    flex: 1;
    gap: 3px;
    padding: 10px 4px;
    font-size: 11px;
    border-bottom: none;
    border-top: 3px solid transparent;
  }
  .tab-btn.active { border-top-color: var(--accent); border-bottom-color: transparent; }
  .tab-icon { font-size: 20px; }
  .main-container { padding-bottom: 80px !important; }
}

/* ===== QR CODE ===== */
.qr-code-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}
.qr-code-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}
#qr-code-container img, #qr-code-container canvas {
  border-radius: 8px;
  border: 2px solid var(--border);
}

/* ===== PAYMENT LINK BUTTON ===== */
.btn-payment-link {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-payment-link:hover { opacity: 0.9; transform: translateY(-1px); }

/* ===== INSTALL APP BUTTON ===== */
.btn-install-app {
  background: linear-gradient(135deg, #8e44ad, #6c3483);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-install-app:hover { opacity: 0.9; transform: translateY(-1px); }

/* ===== CONTACTS ===== */
.contacts-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}
.btn-save-contact {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-save-contact:hover { border-color: var(--accent); color: var(--accent); }
.contacts-dropdown-wrap {
  position: relative;
}
.btn-contacts-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}
.btn-contacts-toggle:hover { border-color: var(--accent); color: var(--accent); }
.contacts-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 260px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.contact-item:last-child { border-bottom: none; }
.contact-item:hover { background: var(--bg-card-hover); }
.contact-item-info {
  flex: 1;
  cursor: pointer;
  min-width: 0;
}
.contact-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}
.contact-addr {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
}
.btn-delete-contact {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-delete-contact:hover { background: rgba(231,76,60,0.15); color: var(--error); }