:root {
  --bg: #f6f0e6;
  --bg-accent: #efe4d2;
  --surface: rgba(255, 252, 247, 0.88);
  --surface-strong: #fffaf2;
  --text: #1f1710;
  --muted: #64584b;
  --line: rgba(70, 55, 40, 0.14);
  --line-strong: rgba(70, 55, 40, 0.22);
  --accent: #0e6b5c;
  --accent-strong: #084c41;
  --danger: #9d3d2b;
  --success: #1f6a3b;
  --warning: #c58a3c;
  --shadow: 0 24px 64px rgba(56, 38, 19, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(14, 107, 92, 0.12), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, #f9f4ed 100%);
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
}

body {
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
summary {
  font: inherit;
}

.tax-page {
  width: min(1220px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.tax-hero {
  display: grid;
  gap: 28px;
  padding: 8px 0 22px;
}

.tax-hero__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-weight: 700;
}

.brand-mark__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-mark__logo--wordmark {
  width: 96px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 10px 24px rgba(31, 23, 16, 0.08);
}

.brand-mark__text {
  font-size: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tax-hero__copy {
  max-width: 900px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tax-hero__title {
  margin: 0;
  max-width: 860px;
  font-size: clamp(42px, 7vw, 74px);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.tax-hero__subtitle {
  margin: 20px 0 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.75;
}

.tax-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.hero-link,
.upload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
  cursor: pointer;
}

.hero-link:hover,
.upload-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
  border-color: rgba(14, 107, 92, 0.28);
}

.hero-link:disabled,
.upload-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.upload-button {
  border: 0;
  background: linear-gradient(135deg, var(--accent), #c58a3c);
  color: #fff;
}

.progress-card,
.flash,
.stage-card,
.upload-card,
.detail-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 250, 242, 0.96)),
    linear-gradient(135deg, rgba(14, 107, 92, 0.07), rgba(185, 140, 75, 0.08));
  box-shadow: var(--shadow);
}

.progress-card {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 20px;
}

.progress-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.62);
}

.progress-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(14, 107, 92, 0.1);
  color: var(--accent-strong);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-weight: 700;
}

.progress-step__copy {
  display: grid;
  gap: 6px;
}

.progress-step__copy strong,
.support-item strong,
.result-item strong,
.selection-card__body strong,
.document-card strong,
.compact-item strong {
  display: block;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 16px;
}

.progress-step__copy span,
.support-item p,
.result-item span,
.selection-card__body span,
.document-card span,
.compact-item span {
  color: var(--muted);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.6;
}

.progress-step--current {
  border-color: rgba(14, 107, 92, 0.28);
  background: linear-gradient(180deg, rgba(14, 107, 92, 0.12), rgba(255, 255, 255, 0.9));
}

.progress-step--complete {
  border-color: rgba(31, 106, 59, 0.22);
}

.progress-step--complete .progress-step__number {
  background: rgba(31, 106, 59, 0.14);
  color: var(--success);
}

.progress-step--skipped .progress-step__number {
  background: rgba(197, 138, 60, 0.14);
  color: #805925;
}

.flash-stack {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.flash {
  padding: 22px 24px;
}

.flash p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.flash--error {
  border-color: rgba(157, 61, 43, 0.24);
}

.tax-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.9fr);
  gap: 24px;
  margin-top: 24px;
  align-items: start;
}

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

.stage-card {
  padding: 28px;
}

.stage-card--main {
  display: grid;
  gap: 22px;
}

.stage-sidebar {
  display: grid;
  gap: 20px;
}

.stage-header {
  display: grid;
  gap: 12px;
}

.stage-header h2,
.upload-card h3,
.summary-card h3,
.stage-card h3,
.section-heading h3,
.summary-hero h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.stage-header__lead,
.upload-card p,
.stage-card p,
.summary-card p,
.detail-card__content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.stage-block {
  display: grid;
  gap: 18px;
  padding-top: 6px;
  border-top: 1px solid rgba(70, 55, 40, 0.08);
}

.stage-block--upload {
  padding-top: 0;
  border-top: 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.section-heading h3 {
  font-size: clamp(24px, 3vw, 34px);
}

.upload-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
  gap: 24px;
  padding: 28px;
}

.upload-card__copy {
  display: grid;
  gap: 16px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.check-list li {
  line-height: 1.7;
}

.upload-form {
  display: grid;
  align-items: stretch;
}

.upload-dropzone {
  display: grid;
  gap: 10px;
  min-height: 220px;
  padding: 24px;
  border: 1.5px dashed rgba(14, 107, 92, 0.28);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(14, 107, 92, 0.08), rgba(14, 107, 92, 0.03)),
    rgba(255, 255, 255, 0.72);
  align-content: center;
  cursor: pointer;
}

.upload-dropzone__title {
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 24px;
  font-weight: 700;
}

.upload-dropzone__text {
  color: var(--muted);
  line-height: 1.7;
}

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

.upload-form__input {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
}

.mini-stats,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

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

.mini-stat,
.summary-card,
.result-item,
.selection-card,
.document-card,
.support-item,
.compact-item,
.summary-hero {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.64);
}

.mini-stat {
  display: grid;
  gap: 6px;
}

.mini-stat strong {
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 28px;
  line-height: 1;
}

.mini-stat span {
  color: var(--muted);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

.document-list,
.result-list,
.selection-list,
.draft-row-list,
.compact-list {
  display: grid;
  gap: 14px;
}

.document-card,
.selection-card {
  display: grid;
  gap: 10px;
}

.document-card__top,
.document-card__meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.document-card__meta {
  justify-content: flex-start;
}

.document-card__status {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-pill--good {
  background: rgba(31, 106, 59, 0.12);
  color: var(--success);
}

.status-pill--warn {
  background: rgba(157, 61, 43, 0.12);
  color: var(--danger);
}

.status-pill--caution {
  background: rgba(197, 138, 60, 0.14);
  color: #6a4a1d;
}

.document-card--accepted {
  border-color: rgba(31, 106, 59, 0.18);
  background: rgba(31, 106, 59, 0.06);
}

.document-card--rejected {
  border-color: rgba(157, 61, 43, 0.18);
  background: rgba(157, 61, 43, 0.06);
}

.selection-card {
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: flex-start;
}

.selection-card__toggle {
  padding-top: 2px;
}

.selection-card__toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
}

.selection-card__body {
  display: grid;
  gap: 4px;
}

.selection-card__body p,
.document-card p,
.result-item p,
.support-item p {
  margin: 0;
}

.stack-form,
.stack-actions {
  display: grid;
  gap: 14px;
}

.stage-actions {
  display: flex;
  justify-content: flex-start;
  gap: 14px;
  padding-top: 8px;
}

.result-item {
  display: grid;
  gap: 6px;
}

.summary-hero--ready {
  border-color: rgba(31, 106, 59, 0.18);
  background: linear-gradient(180deg, rgba(31, 106, 59, 0.1), rgba(255, 255, 255, 0.9));
}

.summary-hero--needs_more_info,
.warning-list--critical p {
  border-color: rgba(157, 61, 43, 0.18);
}

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

.warning-list p {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(197, 138, 60, 0.1);
  color: #6a4a1d;
  line-height: 1.6;
}

.warning-list--critical p {
  background: rgba(157, 61, 43, 0.1);
  color: var(--danger);
}

.detail-card {
  overflow: hidden;
}

.detail-card summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  list-style: none;
  cursor: pointer;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-weight: 700;
}

.detail-card summary::-webkit-details-marker {
  display: none;
}

.detail-card summary span:last-child {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.detail-card__content {
  display: grid;
  gap: 14px;
  padding: 0 20px 20px;
}

.detail-card--sidebar .detail-card__content {
  padding-top: 2px;
}

.compact-item {
  display: grid;
  gap: 4px;
}

.support-columns {
  display: grid;
  gap: 14px;
}

.form-message {
  padding: 14px 16px;
  border-radius: 14px;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.form-message--error {
  border: 1px solid rgba(157, 61, 43, 0.18);
  background: rgba(157, 61, 43, 0.09);
  color: var(--danger);
}

.empty-state {
  color: var(--muted);
}

@media (max-width: 1100px) {
  .tax-workspace {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 940px) {
  .progress-card,
  .mini-stats,
  .summary-grid,
  .stage-sidebar,
  .upload-card {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .document-card__top,
  .document-card__meta,
  .stage-actions,
  .detail-card summary {
    align-items: flex-start;
    flex-direction: column;
  }

  .progress-step {
    grid-template-columns: auto 1fr;
  }
}

@media (max-width: 680px) {
  .tax-page {
    width: min(100vw - 24px, 1220px);
    padding-top: 18px;
  }

  .tax-hero__top {
    align-items: flex-start;
    flex-direction: column;
  }

  .progress-card,
  .stage-card,
  .upload-card,
  .flash {
    padding: 22px;
  }

  .hero-link,
  .upload-button {
    width: 100%;
  }

  .selection-card {
    grid-template-columns: 1fr;
  }
}