:root {
  color-scheme: light;
  --ink: oklch(27% 0.012 120);
  --paper: oklch(95.6% 0.018 88);
  --panel: oklch(98.2% 0.009 88);
  --white: oklch(99.2% 0.007 88);
  --line: oklch(86.8% 0.017 88);
  --line-strong: oklch(70% 0.02 88);
  --muted: oklch(51% 0.013 120);
  --copper: oklch(59% 0.113 50);
  --copper-soft: oklch(92% 0.035 55);
  --moss: oklch(43% 0.074 156);
  --moss-soft: oklch(92% 0.027 156);
  --danger: oklch(50% 0.13 25);
  --danger-soft: oklch(93% 0.03 25);
  --focus: oklch(59% 0.113 50 / 0.22);
  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-hover: 0 8px 24px oklch(27% 0.012 120 / 0.08);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
}

button,
summary,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: inherit;
}

svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.8;
}

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

.topbar {
  min-height: 72px;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--paper);
}

.brand-lockup strong,
.brand-lockup small {
  display: block;
  white-space: nowrap;
}

.brand-lockup strong {
  font-size: 15px;
  line-height: 1.2;
}

.brand-lockup small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.topbar-meta,
.season-chip,
.source-chip {
  display: flex;
  align-items: center;
}

.topbar-meta {
  gap: 8px;
}

.season-chip,
.source-chip {
  min-height: 32px;
  gap: 7px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.season-chip {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.source-chip {
  background: var(--copper-soft);
  color: var(--ink);
}

.season-chip svg,
.source-chip svg {
  width: 15px;
  height: 15px;
}

main {
  padding: 0 32px 32px;
}

.intro-row {
  min-height: 164px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  align-items: end;
  gap: 48px;
  padding: 34px 0 24px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 8px;
  color: var(--copper);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
}

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

h1 {
  max-width: 720px;
  margin-bottom: 12px;
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 18px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 0;
  font-size: 16px;
  line-height: 1.25;
}

.intro-copy {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
}

.intro-note {
  max-width: 480px;
  justify-self: end;
  align-self: center;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 14px;
  color: var(--muted);
  font-size: 13px;
}

.intro-note p {
  margin: 0;
}

.note-line {
  height: 1px;
  margin-top: 9px;
  background: var(--copper);
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(390px, 0.84fr) minmax(520px, 1.16fr);
  gap: 20px;
  align-items: start;
}

.control-panel,
.result-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.control-panel {
  padding: 24px;
}

.result-panel {
  position: sticky;
  top: 16px;
  padding: 24px;
}

.panel-heading,
.subsection-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel-heading {
  margin-bottom: 20px;
}

.result-actions {
  min-width: 116px;
  display: grid;
  justify-items: end;
  gap: 4px;
}

.copy-state {
  min-height: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.copy-state:empty {
  display: none;
}

.section-kicker {
  margin-bottom: 5px;
}

.icon-button,
.copy-button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: background-color 150ms var(--ease), border-color 150ms var(--ease), color 150ms var(--ease), transform 150ms var(--ease);
}

.icon-button {
  width: 44px;
  display: grid;
  place-items: center;
}

.copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 700;
}

.icon-button:hover,
.copy-button:hover:not(:disabled) {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
  transform: translateY(-1px);
}

.copy-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.icon-button:focus-visible,
.copy-button:focus-visible,
.mode-option:focus-visible,
.add-row-button:focus-visible,
.jump-button:focus-visible,
.remove-row-button:focus-visible,
.source-links a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.mode-option {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  text-align: left;
  cursor: pointer;
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), transform 150ms var(--ease);
}

.mode-option:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.mode-option.is-active {
  background: var(--copper-soft);
  border-color: var(--copper);
}

.mode-option img {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  object-fit: contain;
}

.mode-option strong,
.mode-option small {
  display: block;
}

.mode-option strong {
  font-size: 14px;
}

.mode-option small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
}

.mode-context {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.context-icon {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--ink);
}

.context-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.mode-context strong {
  display: block;
  font-size: 13px;
}

.mode-context p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

fieldset {
  margin: 0;
  padding: 22px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

fieldset:first-of-type {
  padding-top: 0;
  border-top: 0;
}

legend,
.legend {
  width: 100%;
  margin-bottom: 14px;
  padding: 0;
  font-size: 13px;
  font-weight: 700;
}

.fieldset-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.fieldset-heading .legend {
  margin-bottom: 3px;
}

.fieldset-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.fieldset-help {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.count-chip {
  min-width: 50px;
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.count-chip.is-incomplete {
  border-color: var(--copper);
  background: var(--copper-soft);
  color: var(--copper);
}

.count-chip.is-complete {
  border-color: var(--moss);
  background: var(--moss-soft);
  color: var(--moss);
}

.jump-button {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), color 150ms var(--ease);
}

.jump-button:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.jump-button[hidden] {
  display: none;
}

.jump-button svg {
  width: 14px;
  height: 14px;
}

.field-grid {
  display: grid;
  gap: 14px;
}

.field-grid.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field,
.field-label,
.field-error,
.field-help {
  display: block;
}

.field {
  min-width: 0;
}

.field-label {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.field-label em {
  margin-left: 4px;
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
}

.input-wrap {
  position: relative;
  display: block;
}

.field input {
  width: 100%;
  height: 44px;
  padding: 0 44px 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: 0;
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease), background-color 150ms var(--ease);
}

.field input[type="text"] {
  padding-right: 12px;
}

.field input:hover {
  border-color: var(--line-strong);
}

.field input:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 3px var(--focus);
}

.field input:disabled {
  cursor: not-allowed;
  background: var(--paper);
  color: var(--muted);
}

.field input.is-invalid {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.unit {
  position: absolute;
  top: 50%;
  right: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  transform: translateY(-50%);
  pointer-events: none;
}

.field-help,
.field-error {
  min-height: 16px;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.4;
}

.field-error:empty {
  display: none;
  min-height: 0;
  margin-top: 0;
}

.field-help {
  color: var(--muted);
}

.field-error {
  color: var(--danger);
  font-weight: 700;
}

.full-span {
  grid-column: 1 / -1;
}

.field.is-disabled {
  opacity: 0.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.affix-list,
.combination-list {
  border-top: 1px solid var(--line);
}

.affix-row {
  display: grid;
  grid-template-columns: 28px minmax(110px, 1fr) minmax(130px, 0.72fr) 44px;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.row-index {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
}

.row-field {
  min-width: 0;
}

.row-field input,
.combination-row input {
  width: 100%;
  height: 44px;
  padding: 0 42px 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: 0;
  background: var(--white);
  color: var(--ink);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  transition: border-color 150ms var(--ease), box-shadow 150ms var(--ease), background-color 150ms var(--ease);
}

.row-name input {
  padding-right: 10px;
}

.row-field input:hover,
.combination-row input:hover {
  border-color: var(--line-strong);
}

.row-field input:focus,
.combination-row input:focus {
  border-color: var(--copper);
  box-shadow: 0 0 0 3px var(--focus);
}

.row-field input.is-invalid,
.combination-row input.is-invalid {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.remove-row-button {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), color 150ms var(--ease);
}

.remove-row-button:hover:not(:disabled) {
  border-color: var(--danger);
  background: var(--danger-soft);
  color: var(--danger);
}

.remove-row-button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.remove-row-button svg {
  width: 15px;
  height: 15px;
}

.row-error,
.combo-error {
  grid-column: 2 / -1;
  min-height: 0;
  color: var(--danger);
  font-size: 12px;
  font-weight: 700;
}

.row-error:empty,
.combo-error:empty {
  display: none;
}

.add-row-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 150ms var(--ease), background-color 150ms var(--ease), color 150ms var(--ease);
}

.add-row-button:hover:not(:disabled) {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.add-row-button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.add-row-button svg {
  width: 15px;
  height: 15px;
}

.combination-fieldset[hidden] {
  display: none;
}

.combination-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(140px, 0.72fr);
  align-items: center;
  gap: 10px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.combination-label {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.combination-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 2px;
  background: var(--moss);
}

.combo-error {
  grid-column: 2;
}

.advanced-settings,
.formula-details {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  transition: box-shadow 200ms var(--ease);
}

.advanced-settings[open],
.formula-details[open] {
  box-shadow: var(--shadow-hover);
}

summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
}

summary small {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.advanced-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 14px 12px 12px;
  border-top: 1px solid var(--line);
}

.probability-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--copper-soft);
  color: var(--ink);
  font-size: 12px;
}

.decision-banner {
  min-height: 144px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  border-radius: var(--radius-md);
  color: var(--white);
  transition: background-color 250ms var(--ease), transform 250ms var(--ease);
}

.decision-banner.is-positive {
  background: var(--moss);
}

.decision-banner.is-negative {
  background: var(--danger);
}

.decision-banner.is-neutral {
  background: var(--ink);
}

.decision-banner.is-pending {
  border: 1px solid var(--copper);
  background: var(--copper-soft);
  color: var(--ink);
}

.decision-banner.is-pending .decision-icon {
  border-color: var(--copper);
  background: var(--white);
  color: var(--copper);
}

.decision-banner.is-updating {
  transform: scale(0.995);
}

.decision-label {
  display: block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 700;
}

.decision-value {
  display: block;
  min-height: 48px;
  font-size: 40px;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0;
}

.decision-icon {
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  display: grid;
  place-items: center;
  border: 1px solid oklch(99.2% 0.007 88 / 0.36);
  border-radius: 50%;
  background: oklch(99.2% 0.007 88 / 0.1);
}

.decision-icon svg {
  width: 30px;
  height: 30px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.metric-item {
  min-height: 82px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric-item span {
  color: var(--muted);
  font-size: 12px;
}

.metric-item strong {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.break-even-line {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--moss-soft);
  color: var(--moss);
  font-size: 12px;
  font-weight: 700;
}

.break-even-line.is-negative {
  background: var(--danger-soft);
  color: var(--danger);
}

.break-even-line.is-pending {
  background: var(--copper-soft);
  color: var(--copper);
}

.outcome-section {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.subsection-heading {
  align-items: end;
}

.subsection-caption {
  color: var(--muted);
  font-size: 12px;
}

.probability-bar {
  width: 100%;
  height: 18px;
  display: flex;
  margin: 16px 0 12px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--line);
}

.bar-segment {
  min-width: 0;
  height: 100%;
  transition: width 250ms var(--ease);
}

.bar-segment.copper {
  background: var(--copper);
}

.bar-segment.moss {
  background: var(--moss);
}

.bar-segment.muted {
  background: var(--line-strong);
}

.outcome-list {
  border-top: 1px solid var(--line);
}

.outcome-details {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
}

.outcome-details[open] {
  box-shadow: var(--shadow-hover);
}

.outcome-details > summary {
  min-height: 44px;
  padding: 8px 12px;
}

.outcome-details .outcome-list {
  max-height: 520px;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0 12px;
  border-top: 1px solid var(--line);
}

.outcome-empty {
  margin: 0;
  padding: 18px 0;
  color: var(--muted);
  font-size: 12px;
}

.outcome-row {
  min-height: 70px;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) repeat(3, minmax(86px, 0.65fr));
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.outcome-name {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  font-size: 12px;
  font-weight: 700;
}

.outcome-swatch {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border-radius: 2px;
}

.outcome-swatch.copper {
  background: var(--copper);
}

.outcome-swatch.moss {
  background: var(--moss);
}

.outcome-swatch.muted {
  background: var(--line-strong);
}

.outcome-stat {
  min-width: 0;
}

.outcome-stat span,
.outcome-stat strong {
  display: block;
}

.outcome-stat span {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
}

.outcome-stat strong {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.formula-details {
  margin-top: 20px;
}

.formula-body {
  padding: 14px 12px 16px;
  border-top: 1px solid var(--line);
}

.formula-body p {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 12px;
}

.formula-body code {
  display: block;
  overflow-x: auto;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: var(--paper);
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: nowrap;
}

.source-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(320px, 1fr) minmax(280px, 0.8fr);
  align-items: center;
  gap: 32px;
  margin-top: 20px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.source-section > p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.source-links {
  display: grid;
  gap: 6px;
}

.source-links a {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
}

.source-links a:hover {
  background: var(--ink);
  color: var(--paper);
}

.source-links svg {
  width: 15px;
  height: 15px;
}

.footer {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 32px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 1060px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }

  .source-section {
    grid-template-columns: 1fr 1fr;
  }

  .source-links {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    min-height: 64px;
    padding: 10px 16px;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    flex-basis: 36px;
  }

  .brand-lockup small,
  .source-chip {
    display: none;
  }

  .season-chip {
    min-height: 30px;
    padding: 5px 8px;
    font-size: 12px;
  }

  main {
    padding: 0 14px 24px;
  }

  .intro-row {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 24px 0 18px;
  }

  h1 {
    font-size: 32px;
  }

  .intro-note {
    max-width: none;
    justify-self: stretch;
  }

  .control-panel,
  .result-panel {
    padding: 18px;
  }

  .mode-switch,
  .field-grid.two-col,
  .advanced-body {
    grid-template-columns: 1fr;
  }

  .fieldset-heading {
    align-items: flex-start;
  }

  .affix-row {
    grid-template-columns: 24px minmax(0, 1fr) 44px;
  }

  .row-name,
  .row-price {
    grid-column: 2;
  }

  .remove-row-button {
    grid-column: 3;
    grid-row: 1 / span 2;
  }

  .row-error {
    grid-column: 2 / -1;
  }

  .combination-row {
    grid-template-columns: 1fr;
  }

  .combination-row .combo-error {
    grid-column: 1;
  }

  .decision-banner {
    min-height: 132px;
    padding: 20px;
  }

  .decision-value {
    font-size: 34px;
  }

  .decision-icon {
    width: 52px;
    height: 52px;
    flex-basis: 52px;
  }

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

  .outcome-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 10px 8px;
  }

  .outcome-name {
    grid-column: 1 / -1;
  }

  .outcome-stat span {
    font-size: 12px;
  }

  .outcome-stat strong {
    font-size: 12px;
  }

  .source-section {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .source-links {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .footer {
    min-height: 50px;
    padding: 10px 16px;
  }
}

@media (max-width: 420px) {
  .brand-lockup strong {
    font-size: 13px;
  }

  .mode-option {
    padding: 7px;
  }

  .mode-option img {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

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

  .metric-item {
    min-height: 78px;
    padding: 12px;
  }

  .metric-item strong {
    font-size: 14px;
  }

  .copy-button span {
    display: none;
  }

  .copy-button {
    width: 44px;
    padding: 0;
  }

  .result-actions {
    min-width: 44px;
  }

  summary small {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}