.contribution-page {
  min-height: 100vh;
}

.contribution-page [hidden] {
  display: none !important;
}

.contribution-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 8vw, 7.5rem) 0 clamp(5rem, 9vw, 8.5rem);
  border-bottom: 2px solid #244867;
  background: var(--win-desktop);
  box-shadow: inset 0 2px #88a6c5, inset 0 -2px #244867;
}

.contribution-hero::after {
  position: absolute;
  right: -1.5rem;
  bottom: -.27em;
  content: 'DATA';
  color: rgb(255 255 255 / 6%);
  font-family: var(--display);
  font-size: clamp(11rem, 30vw, 31rem);
  font-weight: 800;
  letter-spacing: -.07em;
  line-height: .7;
  pointer-events: none;
}

.contribution-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(19rem, .65fr);
  gap: clamp(3rem, 8vw, 9rem);
  align-items: center;
}

.contribution-hero__copy {
  max-width: 48rem;
  color: var(--white);
  text-shadow: 1px 1px #244867;
}

.contribution-hero__copy .eyebrow {
  color: var(--white);
}

.contribution-hero__copy h1 {
  max-width: 12ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.4rem, 8vw, 7.4rem);
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: .86;
  text-transform: uppercase;
}

.contribution-hero__copy > p:last-child {
  max-width: 62ch;
  margin: 2rem 0 0;
  padding: 1rem 1.15rem;
  border: 2px solid;
  border-color: #fff #244867 #244867 #fff;
  background: #ece9d8;
  box-shadow: inset 1px 1px #fff, inset -1px -1px #808080, .6rem .7rem 0 rgb(0 0 0 / 18%);
  color: var(--ink);
  font-size: .94rem;
  line-height: 1.65;
  text-shadow: none;
}

.privacy-protocol.win-window {
  padding: 3.15rem 1.25rem 1.25rem;
}

.privacy-protocol ol {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
  list-style: none;
}

.privacy-protocol li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: .05rem .75rem;
  padding: .9rem;
  border-bottom: 1px solid #d4d0c8;
}

.privacy-protocol li:last-child {
  border-bottom: 0;
}

.privacy-protocol li > span {
  grid-row: span 2;
  color: var(--win-title);
  font-size: .68rem;
  font-weight: 700;
}

.privacy-protocol strong {
  font-size: .86rem;
}

.privacy-protocol small {
  color: var(--ink-soft);
  font-size: .72rem;
  line-height: 1.45;
}

.contribution-workspace {
  padding: 0 0 clamp(5rem, 8vw, 8rem);
  background: var(--win-window);
}

.contribution-window.win-window {
  z-index: 2;
  margin-top: -3rem;
  padding: clamp(4.25rem, 6vw, 5rem) clamp(1rem, 4vw, 3rem) clamp(2rem, 5vw, 3.5rem);
  box-shadow: inset 1px 1px var(--win-light), inset -1px -1px var(--win-shadow), 1rem 1.15rem 0 rgb(0 0 0 / 22%);
}

.assistant-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid;
  border-bottom-color: var(--win-shadow);
  box-shadow: 0 1px var(--win-highlight);
}

.assistant-heading .eyebrow,
.review-panel__header .eyebrow,
.success-panel .eyebrow {
  min-height: 0;
  margin-bottom: .5rem;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--win-title);
  text-shadow: none;
}

.assistant-heading h2,
.review-panel h3,
.success-panel h3 {
  margin: 0;
  font-family: Tahoma, 'Segoe UI', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.55rem);
  line-height: 1.05;
}

.step-indicator {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 2px;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
  list-style: none;
}

.step-indicator li {
  min-height: 2.25rem;
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .7rem;
  color: var(--muted);
  font-size: .68rem;
  font-weight: 700;
}

.step-indicator span {
  width: 1.25rem;
  height: 1.25rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--win-shadow);
  background: var(--win-face);
  font-size: .62rem;
}

.step-indicator .is-current {
  background: var(--win-title);
  color: var(--white);
  text-shadow: 1px 1px #00133f;
}

.step-indicator .is-current span {
  border-color: var(--white);
  background: var(--white);
  color: var(--win-title);
  text-shadow: none;
}

.assistant-error {
  margin-top: 1.5rem;
  padding: .8rem 1rem;
  border: 2px solid;
  border-color: #ffb8b4 #67100a #67100a #ffb8b4;
  background: #f5d5d2;
  color: #56120d;
  font-size: .82rem;
  font-weight: 700;
}

.source-panel {
  display: grid;
  grid-template-columns: minmax(14rem, .7fr) minmax(16rem, 1.15fr);
  gap: 1rem clamp(1.5rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.source-panel > header {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: .7rem;
}

.source-panel h3,
.catalog-panel strong,
.top-usage h4 {
  margin: 0;
  font-size: 1rem;
}

.source-panel header p {
  margin: .2rem 0 0;
  color: var(--ink-soft);
  font-size: .8rem;
}

.panel-number {
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-dark-shadow) var(--win-dark-shadow) var(--win-highlight);
  background: var(--win-face);
  color: var(--win-title);
  font-size: .66rem;
  font-weight: 700;
}

.folder-path {
  grid-column: 1;
  display: block;
  overflow-wrap: anywhere;
  padding: .75rem .85rem;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
  color: #202020;
  font-family: 'Courier New', monospace;
  font-size: .72rem;
  line-height: 1.5;
}

.file-well {
  grid-column: 2;
  grid-row: 1 / span 2;
  min-height: 10rem;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding: clamp(1rem, 3vw, 2rem);
  border: 2px dashed var(--win-shadow);
  background: #fff;
  box-shadow: inset 2px 2px #d4d0c8;
  transition: background-color 140ms var(--ease-out), border-color 140ms var(--ease-out);
}

.file-well.is-dragging {
  border-color: var(--win-title);
  background: var(--blue-light);
}

.file-well > div {
  display: grid;
  gap: .2rem;
}

.file-well strong {
  color: var(--win-title);
  font-size: .92rem;
}

.file-well span,
.file-status {
  color: var(--ink-soft);
  font-size: .76rem;
}

.file-picker {
  width: 100%;
  min-height: 2.75rem;
  padding: .35rem;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
  color: var(--ink);
  font-size: .72rem;
}

.file-picker::file-selector-button {
  min-height: 2rem;
  margin-right: .75rem;
  padding: .4rem .75rem;
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-dark-shadow) var(--win-dark-shadow) var(--win-highlight);
  background: var(--win-face);
  box-shadow: inset 1px 1px var(--win-light), inset -1px -1px var(--win-shadow);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
}

.file-picker::file-selector-button:active {
  border-color: var(--win-dark-shadow) var(--win-highlight) var(--win-highlight) var(--win-dark-shadow);
}

.file-status {
  grid-column: 2;
  margin: -.5rem 0 0;
  min-height: 1.3rem;
}

.file-status.has-files {
  color: #075a36;
  font-weight: 700;
}

.catalog-panel {
  border-top: 1px solid var(--win-shadow);
  border-bottom: 1px solid var(--win-highlight);
}

.catalog-panel summary {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
}

.catalog-panel summary::-webkit-details-marker {
  display: none;
}

.catalog-panel summary::after {
  margin-left: auto;
  content: '+';
  font-size: 1.25rem;
  font-weight: 700;
}

.catalog-panel[open] summary::after {
  content: '−';
}

.catalog-panel summary > span:nth-child(2) {
  display: grid;
}

.catalog-panel summary small {
  color: var(--ink-soft);
  font-size: .74rem;
  font-weight: 400;
}

.catalog-panel__body {
  display: grid;
  grid-template-columns: minmax(14rem, .7fr) minmax(16rem, 1.15fr);
  gap: 1rem clamp(1.5rem, 5vw, 5rem);
  padding: 1rem 0 2.5rem 3.05rem;
}

.catalog-panel__body .folder-path {
  align-self: start;
}

.catalog-panel__body .file-well {
  grid-row: auto;
}

.review-panel {
  margin-top: clamp(2.5rem, 6vw, 5rem);
  padding-top: 2rem;
  border-top: 2px solid var(--win-shadow);
  box-shadow: 0 -1px var(--win-highlight);
}

.review-panel__header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
}

.snapshot-ledger {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 2rem 0 0;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
}

.snapshot-ledger > div {
  min-width: 0;
  padding: .85rem;
  border-right: 1px solid #d4d0c8;
}

.snapshot-ledger > div:last-child {
  border-right: 0;
}

.snapshot-ledger dt {
  color: var(--ink-soft);
  font-size: .66rem;
}

.snapshot-ledger dd {
  margin: .15rem 0 0;
  color: var(--win-title);
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  line-height: 1;
}

.privacy-ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 1.5rem;
  padding: 2px;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-shadow);
}

.privacy-ledger section {
  padding: 1rem;
  background: var(--win-field);
}

.privacy-ledger h4 {
  margin: 0;
  font-size: .82rem;
}

.privacy-ledger section:first-child h4 {
  color: #075a36;
}

.privacy-ledger section:last-child h4 {
  color: #7b160e;
}

.privacy-ledger p {
  margin: .35rem 0 0;
  color: var(--ink-soft);
  font-size: .74rem;
  line-height: 1.55;
}

.top-usage {
  margin-top: 2.5rem;
}

.usage-table-wrap {
  margin-top: .75rem;
  overflow-x: auto;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
}

.usage-table {
  width: 100%;
  min-width: 34rem;
  border-collapse: collapse;
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
}

.usage-table th {
  padding: .55rem .7rem;
  border-right: 1px solid var(--win-shadow);
  border-bottom: 2px solid var(--win-shadow);
  background: var(--win-face);
  text-align: left;
}

.usage-table td {
  padding: .6rem .7rem;
  border-right: 1px solid #dedbd2;
  border-bottom: 1px solid #dedbd2;
}

.usage-table td:nth-last-child(-n + 2),
.usage-table th:nth-last-child(-n + 2) {
  text-align: right;
}

.usage-table tr:last-child td {
  border-bottom: 0;
}

.payload-inspector {
  margin-top: 2rem;
  border: 2px solid;
  border-color: var(--win-highlight) var(--win-dark-shadow) var(--win-dark-shadow) var(--win-highlight);
  background: var(--win-face);
}

.payload-inspector summary {
  min-height: 2.8rem;
  display: flex;
  align-items: center;
  padding: .6rem .8rem;
  background: var(--win-title);
  color: var(--white);
  cursor: pointer;
  font-size: .74rem;
  font-weight: 700;
  text-shadow: 1px 1px #00133f;
}

.payload-inspector > p {
  margin: .75rem .8rem;
  color: var(--ink-soft);
  font-size: .72rem;
}

.payload-inspector pre {
  max-height: 24rem;
  margin: .75rem;
  overflow: auto;
  padding: 1rem;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: #101214;
  color: #d8f1cc;
  font-family: 'Courier New', monospace;
  font-size: .68rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.missing-field {
  display: grid;
  gap: .45rem;
  margin-top: 2rem;
}

.missing-field label {
  font-size: .82rem;
  font-weight: 700;
}

.missing-field label span {
  color: var(--ink-soft);
  font-size: .68rem;
  font-weight: 400;
}

.missing-field textarea {
  width: 100%;
  resize: vertical;
  padding: .7rem;
  border: 2px solid;
  border-color: var(--win-shadow) var(--win-highlight) var(--win-highlight) var(--win-shadow);
  background: var(--win-field);
  color: var(--ink);
  font: inherit;
  font-size: .82rem;
  line-height: 1.5;
}

.missing-field p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .7rem;
}

.consent-check {
  min-height: 3.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .75rem;
  align-items: center;
  margin-top: 1.5rem;
  padding: .75rem;
  border: 1px solid var(--win-shadow);
  background: #fffef3;
  box-shadow: inset 1px 1px var(--win-highlight);
  cursor: pointer;
  font-size: .78rem;
  font-weight: 700;
}

.consent-check input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--win-title);
}

.verification-panel {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(18rem, 24rem);
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
  padding: .85rem;
  border: 1px solid var(--win-shadow);
  background: var(--win-field);
  box-shadow: inset 1px 1px var(--win-highlight);
}

.verification-panel > div:first-child {
  display: grid;
  gap: .25rem;
}

.verification-panel strong {
  font-size: .78rem;
}

.verification-panel span {
  color: var(--ink-soft);
  font-size: .7rem;
}

#turnstileWidget {
  min-height: 4.1rem;
  width: 100%;
}

.send-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}

.send-row p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .72rem;
}

.win2k .send-button:not(:disabled) {
  border-color: #5f8fc8 #00133f #00133f #5f8fc8;
  background: var(--win-title);
  color: var(--white);
}

.send-button:disabled {
  cursor: not-allowed;
  color: #404040;
  text-shadow: 1px 1px var(--win-highlight);
}

.success-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  border: 2px solid;
  border-color: #9fe2bd #174a2d #174a2d #9fe2bd;
  background: #dff2e7;
  color: #12351f;
}

.success-panel__mark {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border: 2px solid;
  border-color: #9fe2bd #174a2d #174a2d #9fe2bd;
  background: #207f4c;
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 700;
}

.success-panel p:not(.eyebrow) {
  max-width: 58ch;
  color: #234c32;
  font-size: .82rem;
}

.scope-note {
  max-width: 72rem;
  margin: 2.25rem auto 0;
  color: var(--ink-soft);
  font-size: .75rem;
  text-align: center;
}

@media (hover: hover) and (pointer: fine) {
  .catalog-panel summary:hover,
  .consent-check:hover {
    background: var(--blue-light);
  }
}

@media (max-width: 64rem) {
  .contribution-hero__grid {
    grid-template-columns: 1fr;
  }

  .privacy-protocol {
    max-width: 42rem;
  }

  .snapshot-ledger {
    grid-template-columns: repeat(3, 1fr);
  }

  .snapshot-ledger > div:nth-child(3) {
    border-right: 0;
  }

  .snapshot-ledger > div:nth-child(n + 4) {
    border-top: 1px solid #d4d0c8;
  }
}

@media (max-width: 48rem) {
  .contribution-hero {
    padding-top: 3.5rem;
  }

  .contribution-hero__copy h1 {
    font-size: clamp(3.2rem, 16vw, 5.2rem);
  }

  .assistant-heading,
  .review-panel__header,
  .send-row {
    align-items: stretch;
    flex-direction: column;
  }

  .step-indicator {
    align-self: stretch;
  }

  .step-indicator li {
    flex: 1;
    justify-content: center;
  }

  .source-panel,
  .catalog-panel__body {
    grid-template-columns: 1fr;
  }

  .source-panel > header,
  .source-panel > .folder-path,
  .source-panel > .file-well,
  .source-panel > .file-status,
  .catalog-panel__body > * {
    grid-column: 1;
    grid-row: auto;
  }

  .catalog-panel__body {
    padding-left: 0;
  }

  .snapshot-ledger {
    grid-template-columns: repeat(2, 1fr);
  }

  .snapshot-ledger > div:nth-child(odd) {
    border-right: 1px solid #d4d0c8;
  }

  .snapshot-ledger > div:nth-child(even) {
    border-right: 0;
  }

  .snapshot-ledger > div:nth-child(n + 3) {
    border-top: 1px solid #d4d0c8;
  }

  .privacy-ledger {
    grid-template-columns: 1fr;
  }

  .success-panel {
    grid-template-columns: 1fr;
  }

  .verification-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 30rem) {
  .contribution-window.win-window {
    padding-inline: .75rem;
  }

  .step-indicator li {
    gap: .25rem;
    padding-inline: .35rem;
  }

  .snapshot-ledger {
    grid-template-columns: 1fr;
  }

  .snapshot-ledger > div,
  .snapshot-ledger > div:nth-child(odd) {
    border-right: 0;
    border-top: 1px solid #d4d0c8;
  }

  .snapshot-ledger > div:first-child {
    border-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .file-well {
    transition: none;
  }
}