:root {
  color-scheme: light;
  --bg: #eef2f7;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --line: #d9e1ea;
  --line-strong: #b8c3cf;
  --text: #18202c;
  --muted: #617083;
  --muted-2: #8290a2;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --green: #16803d;
  --green-bg: #eaf8ef;
  --amber: #b45309;
  --amber-bg: #fff4df;
  --red: #b91c1c;
  --red-bg: #fee8e8;
  --purple: #6d28d9;
  --purple-bg: #f1eaff;
  --shadow: 0 18px 48px rgba(24, 32, 44, 0.12);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0) 280px),
    var(--bg);
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

svg {
  display: block;
}

.app-shell {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
  margin-bottom: 16px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 14px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 27px;
  line-height: 1.2;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.3;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.adapter-pill,
.risk-badge,
.summary-value,
.scenario-tag,
.mock-note strong,
.block-title span,
#policyMode {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.adapter-pill {
  color: #115e59;
  background: #e7f8f5;
  border: 1px solid #a6e1d8;
}

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface);
}

.icon-button:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.icon-button svg,
.primary-button svg,
.secondary-button svg {
  width: 19px;
  height: 19px;
}

.icon-button path,
.icon-button circle,
.primary-button path,
.primary-button circle,
.secondary-button path,
.secondary-button circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workspace {
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr) 318px;
  gap: 16px;
  align-items: start;
}

.scenario-panel,
.ledger-panel,
.control-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.scenario-panel,
.control-panel {
  padding: 16px;
  position: sticky;
  top: 16px;
}

.ledger-panel {
  min-width: 0;
  padding: 18px;
}

.section-heading {
  margin-bottom: 14px;
}

.scenario-list {
  display: grid;
  gap: 8px;
}

.scenario-button {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  min-height: 68px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  text-align: left;
  background: var(--surface);
}

.scenario-button:hover {
  border-color: var(--line-strong);
  background: var(--surface-soft);
}

.scenario-button[aria-selected="true"] {
  border-color: #9db7ff;
  background: #edf3ff;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.08) inset;
}

.scenario-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-left: 10px;
  border-radius: var(--radius);
  color: var(--accent);
  background: #e9f0ff;
}

.scenario-icon svg {
  width: 18px;
  height: 18px;
}

.scenario-button strong {
  display: block;
  margin-bottom: 4px;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scenario-button span:not(.scenario-icon) {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.mock-note {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.mock-note strong {
  width: max-content;
  color: #365314;
  background: #ecfcca;
}

.ledger-header,
.block-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.risk-badge.info {
  color: #075985;
  background: #e0f2fe;
}

.risk-badge.warning {
  color: var(--amber);
  background: var(--amber-bg);
}

.risk-badge.danger {
  color: var(--red);
  background: var(--red-bg);
}

.risk-badge.block {
  color: #7f1d1d;
  background: #fecaca;
}

.flow-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr) 22px minmax(0, 1fr) 22px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  margin: 18px 0;
}

.flow-step {
  min-width: 0;
  min-height: 70px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.flow-step span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.flow-step strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.25;
}

.flow-line {
  height: 2px;
  background: linear-gradient(90deg, #93c5fd, #34d399);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.summary-item {
  min-width: 0;
  min-height: 86px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.summary-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.summary-text {
  display: block;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.35;
}

.summary-text.address {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.summary-value {
  margin-top: 10px;
  color: var(--purple);
  background: var(--purple-bg);
}

.ledger-block {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.permission-list,
.risk-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.permission-row,
.risk-row {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.risk-row {
  grid-template-columns: 28px minmax(0, 1fr);
}

.row-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  color: var(--accent);
  background: #edf3ff;
}

.row-icon svg {
  width: 16px;
  height: 16px;
}

.permission-row strong,
.risk-row strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14px;
  line-height: 1.25;
}

.permission-row span,
.risk-row span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.scenario-tag {
  color: #134e4a;
  background: #dff7f2;
}

.action-row,
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border-radius: var(--radius);
  padding: 0 16px;
  font-weight: 800;
  line-height: 1.2;
}

.primary-button {
  border: 1px solid var(--accent-dark);
  color: #ffffff;
  background: var(--accent);
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-dark);
}

.primary-button:disabled {
  border-color: #9aa8bb;
  background: #aab7c7;
}

.secondary-button {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--surface);
}

.secondary-button:hover {
  background: var(--surface-soft);
}

.control-group {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.control-group label,
.control-group > span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.control-group strong {
  color: var(--text);
  font-weight: 800;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 10px;
  color: var(--text);
  background: var(--surface);
}

input[type="range"] {
  accent-color: var(--accent);
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.segment-button {
  min-height: 36px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-weight: 800;
}

.segment-button.active {
  color: var(--text);
  background: var(--surface);
  box-shadow: 0 1px 4px rgba(24, 32, 44, 0.12);
}

.toggle-row,
.check-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.toggle-row {
  min-height: 64px;
  margin-bottom: 16px;
  padding: 10px 12px;
}

.toggle-row span {
  display: grid;
  gap: 4px;
}

.toggle-row strong {
  font-size: 14px;
}

.toggle-row small {
  color: var(--muted);
  font-size: 12px;
}

.toggle-row input,
.check-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

.token-core-box {
  padding: 14px;
  border: 1px solid #bfd4ff;
  border-radius: var(--radius);
  background: #f4f8ff;
}

.token-core-box h3 {
  margin-bottom: 12px;
}

.token-core-box dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.token-core-box div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.token-core-box dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.token-core-box dd {
  margin: 0;
  font-size: 12px;
  font-weight: 800;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  color: #7c2d12;
  background: #ffedd5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.46);
  z-index: 20;
}

.modal-backdrop[hidden] {
  display: none;
}

.confirm-modal {
  width: min(720px, 100%);
  max-height: min(860px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.modal-body {
  display: grid;
  gap: 10px;
  padding: 18px;
}

.modal-summary {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.modal-summary dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.modal-summary dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 14px;
  line-height: 1.4;
}

.modal-summary dd.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.check-row {
  justify-content: flex-start;
  margin: 0 18px 10px;
  min-height: 44px;
  padding: 10px 12px;
  font-size: 14px;
}

.modal-actions {
  padding: 14px 18px 18px;
}

.mock-result {
  border-color: #a7f3d0;
  background: #ecfdf5;
}

.mock-result dd {
  color: #065f46;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 240px minmax(0, 1fr);
  }

  .control-panel {
    position: static;
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .app-shell {
    padding: 14px;
  }

  .topbar {
    align-items: flex-start;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .scenario-panel {
    position: static;
  }

  .scenario-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-visual {
    grid-template-columns: 1fr;
  }

  .flow-line {
    width: 2px;
    height: 18px;
    margin-left: 18px;
    background: linear-gradient(180deg, #93c5fd, #34d399);
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 23px;
  }

  h2 {
    font-size: 18px;
  }

  .brand-mark {
    width: 46px;
    height: 46px;
  }

  .scenario-list,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .permission-row {
    grid-template-columns: 28px minmax(0, 1fr);
  }

  .scenario-tag {
    grid-column: 2;
    width: max-content;
  }

  .action-row,
  .modal-actions {
    flex-direction: column;
  }

  .summary-text.address,
  .modal-summary dd.mono {
    font-size: 11px;
    line-height: 1.45;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
    min-height: 46px;
  }
}