:root {
  --kaspa-orange: #ff8c00;
  --kaspa-teal: #70c7ba;
  --kaspa-teal-dark: #5db8ab;
  --kaspa-orange-dark: #e67e00;
  --bg-body: #0d0d0d;
  --bg-elevated: #1a1a1a;
  --bg-surface: #2c2c2e;
  --text-primary: #f5f5f7;
  --text-secondary: #aeaeb2;
  --text-muted: #6e6e73;
  --border-input: #3a3a3c;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  width: 100%;
  max-width: 540px;
  padding: 48px 24px 32px;
}

.header {
  text-align: center;
  margin-bottom: 40px;
}

.logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 10px;
  background: var(--kaspa-teal);
  color: #fff;
  font-size: 26px;
  font-weight: 400;
  font-family: "Segoe UI Historic", "Noto Sans Phoenician", "Arial Unicode MS", sans-serif;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.input-section {
  margin-bottom: 24px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-group {
  display: flex;
  gap: 8px;
}

#tx-input {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  border: 1.5px solid var(--border-input);
  border-radius: 10px;
  outline: none;
  background: var(--bg-elevated);
  color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

#tx-input::placeholder {
  color: var(--text-muted);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

#tx-input:focus {
  border-color: var(--kaspa-teal);
  box-shadow: 0 0 0 3px rgba(112, 199, 186, 0.2);
}

#tx-input.error {
  border-color: #ff6b6b;
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.2);
}

#generate-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  background: var(--kaspa-teal);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s, transform 0.1s;
}

#generate-btn:hover {
  background: var(--kaspa-teal-dark);
}

#generate-btn:active {
  transform: scale(0.97);
}

#generate-btn:disabled {
  background: var(--text-muted);
  cursor: not-allowed;
  transform: none;
}

#generate-btn.loading {
  position: relative;
  color: transparent;
}

#generate-btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  margin: -9px 0 0 -9px;
  border: 2.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.loading {
  text-align: center;
  padding: 40px 0;
}

.spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto 12px;
  border: 3px solid rgba(112, 199, 186, 0.2);
  border-top-color: var(--kaspa-teal);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.error {
  background: #2a1a1a;
  border: 1px solid #5c2020;
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  color: #ff6b6b;
  line-height: 1.5;
  margin-bottom: 16px;
}

.hidden {
  display: none !important;
}

#result {
  animation: fadeUp 0.35s ease-out;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.receipt-card {
  background: #fefef7;
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  font-size: 14px;
  line-height: 1.5;
  border-top: 3px solid var(--kaspa-teal);
}

.receipt-header {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed #e8e8e0;
}

.receipt-header h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #1d1d1f;
}

.receipt-status {
  text-align: center;
  margin-bottom: 20px;
}

.receipt-ref {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1.5px dashed #e8e8e0;
}

.receipt-ref-label {
  font-size: 11px;
  font-weight: 600;
  color: #8e8e93;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.receipt-ref-hash {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #aeaeb2;
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
}


.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}

.status-badge.accepted {
  background: #f6ffed;
  color: #389e0d;
}

.status-badge.pending {
  background: #fff7e6;
  color: #d48806;
}

.status-badge .check {
  font-size: 14px;
}

.receipt-meta {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed #e8e8e0;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
}

.meta-label {
  color: #8c8c8c;
  font-size: 13px;
}

.meta-value {
  font-size: 13px;
  font-weight: 500;
  color: #1d1d1f;
  text-align: right;
}

.receipt-section {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed #e8e8e0;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #aeaeb2;
  margin-bottom: 8px;
}

.address-block {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.address {
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  color: #1d1d1f;
  word-break: break-all;
  line-height: 1.6;
}


.output-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.output-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.output-address {
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  color: #1d1d1f;
  word-break: break-all;
  flex: 1;
  min-width: 0;
}

.output-amount {
  font-size: 13px;
  font-weight: 600;
  color: #1d1d1f;
  white-space: nowrap;
}

.receipt-total {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed #e8e8e0;
}

.receipt-total .total-label {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.total-values {
  text-align: right;
}

.receipt-total .total-amount {
  font-size: 18px;
  font-weight: 700;
  color: var(--kaspa-orange);
}

.total-usd {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #6e6e73;
  margin-top: 2px;
}

.na {
  color: #d2d2d7 !important;
}

.receipt-note {
  font-size: 11px;
  color: #aeaeb2;
  text-align: right;
  margin-top: 4px;
  font-style: italic;
}

.summary-note {
  font-size: 11px;
  color: #aeaeb2;
  text-align: right;
  margin-top: 8px;
  font-style: italic;
}

.summary-divider {
  height: 1px;
  background: #e8e8e0;
  margin: 8px 0;
}

.summary-profit .summary-usd {
  color: #389e0d;
  font-weight: 700;
  font-size: 15px;
}

.summary-cost-basis .summary-usd {
  color: #1d1d1f;
  font-weight: 700;
  font-size: 15px;
}

.summary-current-value .summary-usd {
  color: var(--kaspa-teal);
  font-weight: 700;
  font-size: 15px;
}

.summary-avg-price .summary-usd {
  color: #1d1d1f;
  font-weight: 600;
  font-size: 14px;
}

.cost-basis-value {
  font-size: 15px;
}

.summary-avg {
  font-size: 11px;
  color: #aeaeb2;
  margin-top: 1px;
}

.summary-sub {
  font-size: 11px;
  font-weight: 400;
  color: #aeaeb2;
}

.summary-loss .summary-usd {
  color: #d4380d;
  font-weight: 700;
  font-size: 15px;
}

.profit-value {
  font-size: 15px;
}


.receipt-actions {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}

.actions-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.actions-bar button {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.receipt-actions button {
  flex: 1;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.card-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--kaspa-teal);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.card-btn:hover {
  background: var(--kaspa-teal-dark);
}

.card-btn-back {
  background: transparent;
  color: var(--kaspa-teal);
  border: 1px solid var(--kaspa-teal);
}

.card-btn-back:hover {
  background: var(--kaspa-teal);
  color: #fff;
}

/* ── Statement View ── */

#statement-card.hidden {
  display: none;
}

.copy-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid #d2d2d7;
  border-radius: 6px;
  cursor: pointer;
  padding: 3px 6px;
  font-size: 12px;
  color: #8c8c8c;
  transition: background 0.15s, color 0.15s;
  line-height: 1;
}

.copy-btn:hover {
  background: #f5f5f7;
  border-color: var(--kaspa-teal);
  color: var(--kaspa-teal);
}

.copy-btn.copied {
  background: #f6ffed;
  border-color: #b7eb8f;
  color: #389e0d;
}

#statement-card {
  background: #fefef7;
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  font-size: 14px;
  line-height: 1.5;
  animation: fadeUp 0.35s ease-out;
  border-top: 3px solid var(--kaspa-teal);
}

.statement-header {
  text-align: center;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1.5px dashed #e8e8e0;
}

.statement-header h2 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #1d1d1f;
  margin-bottom: 4px;
}

.statement-address {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #515154;
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  margin-bottom: 8px;
}

.statement-balance {
  font-size: 22px;
  color: #1d1d1f;
  font-weight: 600;
}

.statement-balance strong {
  color: var(--kaspa-orange);
}

.net-summary {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1.5px dashed #e8e8e0;
}

.summary-group-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #aeaeb2;
  margin-top: 10px;
  margin-bottom: 4px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 2px 0;
  font-size: 13px;
}

.summary-label {
  color: #6e6e73;
}

.summary-values {
  text-align: right;
}

.summary-kas {
  font-weight: 600;
  color: #1d1d1f;
}

.summary-usd {
  font-size: 11px;
  color: #6e6e73;
  margin-top: 1px;
}

.summary-net {
  padding-top: 6px;
  margin-top: 6px;
  border-top: 1px solid #e8e8e0;
}

.summary-net .summary-kas {
  color: var(--kaspa-orange);
  font-size: 15px;
}

.tx-list {
  border-top: 1.5px dashed #e8e8e0;
  padding-top: 12px;
}


.tx-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0e8;
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 6px;
  margin: 0 -8px;
  padding: 10px 8px;
}

.tx-row:hover {
  background: #f5f5f7;
}

.tx-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}

.tx-date {
  font-size: 12px;
  color: #8c8c8c;
  line-height: 1.3;
}

.tx-counter {
  font-family: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  font-size: 11px;
  color: #aeaeb2;
  word-break: break-all;
  line-height: 1.3;
}

.tx-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
  margin-left: 12px;
}

.tx-direction {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tx-amount {
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.amt-received {
  color: #389e0d;
}

.amt-sent {
  color: #d48806;
}

.amt-self {
  color: #5a7d9a;
}

.tx-usd {
  font-size: 11px;
  font-weight: 500;
  color: #6e6e73;
}

.tx-status {
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
}

.tx-status.confirmed {
  background: #f6ffed;
  color: #389e0d;
}

.tx-status.unconfirmed {
  background: #fff7e6;
  color: #d48806;
}

.tx-empty {
  text-align: center;
  padding: 32px 0;
  color: #aeaeb2;
  font-size: 14px;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.page-btn {
  background: #fff;
  border: 1px solid #d2d2d7;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 600;
  color: #1d1d1f;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  min-width: 32px;
  text-align: center;
}

.page-btn:hover:not(:disabled):not(.active) {
  background: #f5f5f7;
  border-color: #aeaeb2;
}

.page-btn.active {
  background: var(--kaspa-teal);
  border-color: var(--kaspa-teal);
  color: #fff;
}

.page-btn:disabled {
  color: #aeaeb2;
  cursor: not-allowed;
  background: #f5f5f7;
}

.page-btn.loading {
  color: #aeaeb2;
  cursor: default;
}

.page-ellipsis {
  color: #aeaeb2;
  font-size: 12px;
  padding: 0 2px;
  letter-spacing: 1px;
}

.page-info {
  font-size: 12px;
  color: #aeaeb2;
  padding: 0 8px;
  font-weight: 600;
}

.page-jump {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  font-size: 12px;
  color: #aeaeb2;
  font-weight: 600;
}

.page-jump-input {
  width: 48px;
  padding: 4px 6px;
  border: 1px solid #d2d2d7;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #1d1d1f;
  background: #fff;
  text-align: center;
  outline: none;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}

.page-jump-input::-webkit-outer-spin-button,
.page-jump-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.page-jump-input:focus {
  border-color: var(--kaspa-teal);
}

.loading-placeholder {
  color: #aeaeb2 !important;
}

.placeholder-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(174, 174, 178, 0.25);
  border-top-color: #aeaeb2;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

.loading-more {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 0;
  font-size: 13px;
  color: #aeaeb2;
}

.loading-more .spinner {
  width: 16px;
  height: 16px;
  margin: 0;
  border-width: 2px;
}

.tx-list-header {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #aeaeb2;
  margin-top: 10px;
  margin-bottom: 4px;
  text-align: center;
}

button svg {
  display: inline-block;
  vertical-align: middle;
}

/* ── Progress Bar ── */

.progress-bar-container {
  width: 100%;
  height: 4px;
  background: rgba(112, 199, 186, 0.15);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 16px;
}

.progress-bar {
  height: 100%;
  background: var(--kaspa-teal);
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}

@media (max-width: 480px) {
  main {
    padding: 32px 16px 24px;
  }

  h1 {
    font-size: 24px;
  }

  .input-group {
    flex-direction: column;
  }

  #generate-btn {
    width: 100%;
  }

  .receipt-card {
    padding: 24px 18px;
  }

  #statement-card {
    padding: 24px 18px;
  }

  .receipt-total .total-amount {
    font-size: 16px;
  }

}