.tax-app {
  --tax-ink: #16211f;
  --tax-muted: #61716d;
  --tax-border: #d7e0dd;
  --tax-panel: #ffffff;
  --tax-bg: #f7faf9;
  --tax-green: #19755d;
  --tax-red: #a43b3b;
  --tax-gold: #b27722;
  --tax-blue: #2d6f95;
  color: var(--tax-ink);
  font-size: 16px;
  line-height: 1.5;
}

.tax-app *,
.tax-app *::before,
.tax-app *::after {
  box-sizing: border-box;
}

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

.tax-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
  padding: 24px;
  border: 1px solid var(--tax-border);
  border-radius: 8px;
  background: #f7faf9;
}

.tax-header h1 {
  margin-bottom: 8px;
  font-size: 3rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.tax-subtitle {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--tax-muted);
  font-size: 1.02rem;
}

.tax-kicker {
  margin-bottom: 8px;
  color: var(--tax-green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tax-route {
  display: grid;
  grid-template-columns: auto 48px auto;
  gap: 10px;
  align-items: center;
  min-width: 255px;
}

.tax-route span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--tax-border);
  border-radius: 8px;
  background: #fff;
  color: var(--tax-ink);
  font-weight: 800;
  white-space: nowrap;
}

.tax-route img {
  width: 22px;
  height: 22px;
  margin-right: 7px;
}

.tax-route .tax-route-line {
  min-height: 2px;
  padding: 0;
  border: 0;
  border-top: 2px solid #adc3bc;
  border-radius: 0;
  background: transparent;
}

.tax-route .tax-route-texas {
  border-color: #d9bbb0;
  color: #8b352e;
}

.tax-notice {
  margin-bottom: 18px;
  padding: 14px 16px;
  border-left: 4px solid var(--tax-gold);
  border-radius: 6px;
  background: #fff8ed;
  color: #4b4337;
}

.tax-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 18px;
  align-items: start;
}

.tax-form {
  display: grid;
  gap: 18px;
}

.tax-panel,
.tax-result-panel {
  border: 1px solid var(--tax-border);
  border-radius: 8px;
  background: var(--tax-panel);
  box-shadow: 0 10px 26px rgba(22, 33, 31, 0.06);
}

.tax-panel {
  padding: 18px;
}

.tax-result-panel {
  padding: 18px;
}

.tax-result-panel + .tax-result-panel {
  margin-top: 14px;
}

.tax-result-panel.muted {
  background: var(--tax-bg);
}

.tax-panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.tax-panel-heading h2,
.tax-result-panel h2,
.tax-details h3 {
  margin-bottom: 0;
  font-size: 1.05rem;
  line-height: 1.2;
  letter-spacing: 0;
}

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

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

.tax-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tax-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tax-grid.compact {
  margin-top: 14px;
}

.tax-field {
  display: grid;
  gap: 7px;
  min-width: 0;
  margin: 0;
}

.tax-field span {
  color: #34433f;
  font-size: 0.84rem;
  font-weight: 750;
}

.tax-field input,
.tax-field select {
  width: 100%;
  min-height: 42px;
  padding: 9px 10px;
  border: 1px solid #cbd8d4;
  border-radius: 6px;
  background: #fff;
  color: var(--tax-ink);
  font: inherit;
}

.tax-field input:focus,
.tax-field select:focus {
  outline: 3px solid rgba(45, 111, 149, 0.2);
  border-color: var(--tax-blue);
}

.tax-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tax-button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid var(--tax-green);
  border-radius: 6px;
  background: var(--tax-green);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.tax-button.secondary {
  border-color: #bdd0ca;
  background: #fff;
  color: var(--tax-ink);
}

.tax-button.ghost {
  border-color: transparent;
  background: transparent;
  color: var(--tax-muted);
}

.tax-button:hover {
  filter: brightness(0.98);
}

.tax-results {
  position: sticky;
  top: 16px;
}

.tax-balance-row,
.tax-total,
.tax-metrics div,
.tax-table tr {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
}

.tax-balance-row {
  padding: 8px 0;
  border-bottom: 1px solid var(--tax-border);
}

.tax-balance-row strong,
.tax-total strong {
  font-size: 1.25rem;
  letter-spacing: 0;
}

.tax-balance-row strong.due,
.tax-total strong.due {
  color: var(--tax-red);
}

.tax-balance-row strong.refund,
.tax-total strong.refund {
  color: var(--tax-green);
}

.tax-total {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 2px solid #adc3bc;
}

.tax-total span {
  font-weight: 900;
}

.tax-metrics {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
}

.tax-metrics div {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(22, 33, 31, 0.08);
}

.tax-metrics dt {
  color: var(--tax-muted);
}

.tax-metrics dd {
  margin: 0;
  font-weight: 850;
}

.tax-checklist,
.tax-sources {
  margin: 12px 0 0;
  padding-left: 20px;
}

.tax-checklist li,
.tax-sources li {
  margin-bottom: 8px;
}

.tax-wide {
  margin-top: 18px;
}

.tax-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tax-details > div {
  min-width: 0;
}

.tax-table {
  width: 100%;
  margin-top: 12px;
  border-collapse: collapse;
}

.tax-table tbody {
  display: grid;
}

.tax-table tr {
  padding: 9px 0;
  border-bottom: 1px solid var(--tax-border);
}

.tax-table th,
.tax-table td {
  display: block;
  min-width: 0;
  padding: 0;
  border: 0;
  text-align: left;
  overflow-wrap: anywhere;
}

.tax-table td {
  font-weight: 850;
  text-align: right;
}

.tax-sources a {
  color: var(--tax-blue);
}

@media (max-width: 1040px) {
  .tax-layout,
  .tax-details {
    grid-template-columns: 1fr;
  }

  .tax-results {
    position: static;
  }
}

@media (max-width: 760px) {
  .tax-header {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .tax-header h1 {
    font-size: 2.25rem;
  }

  .tax-route {
    grid-template-columns: 1fr;
    min-width: 0;
  }

  .tax-route .tax-route-line {
    display: none;
  }

  .tax-grid.two,
  .tax-grid.three,
  .tax-grid.four {
    grid-template-columns: 1fr;
  }

  .tax-panel,
  .tax-result-panel {
    padding: 15px;
  }
}

@media print {
  .masthead,
  .sidebar,
  .tax-actions {
    display: none !important;
  }

  .tax-layout,
  .tax-details {
    grid-template-columns: 1fr;
  }

  .tax-panel,
  .tax-result-panel,
  .tax-header,
  .tax-notice {
    box-shadow: none;
  }
}