/* Form 1040-RW. Printed in dropout red, filled in by typewriter, stamped in
   violet. Dark mode is the carbon copy. */

:root {
  --desk: #c7ccc2;
  --desk-shade: #b7bdb1;
  --paper: #ffffff;
  --form: #c8102e;
  --form-soft: #f7dade;
  --form-rule: #eba3ad;
  --type: #26222e;
  --stamp: #4636a6;
  --pen: #1d3fa0;
  --highlight: #fff06b;
  --note-ink: #2b2a1f;
  --shadow: 0 1px 1px rgb(38 50 40 / 0.18), 0 22px 44px -22px rgb(38 50 40 / 0.55);
  --stamp-blend: multiply;

  --sans: 'Archivo', 'Arial Narrow', sans-serif;
  --typed: 'Courier Prime', 'Courier New', monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --desk: #0f1626;
    --desk-shade: #0b111e;
    --paper: #1b2744;
    --form: #ff8b96;
    --form-soft: #26324f;
    --form-rule: #4e4a6a;
    --type: #eef0f6;
    --stamp: #b6a9ff;
    --pen: #9db7ff;
    --highlight: #e9d94f;
    --shadow: 0 1px 1px rgb(0 0 0 / 0.4), 0 24px 48px -20px rgb(0 0 0 / 0.8);
    --stamp-blend: screen;
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --desk: #0f1626;
  --desk-shade: #0b111e;
  --paper: #1b2744;
  --form: #ff8b96;
  --form-soft: #26324f;
  --form-rule: #4e4a6a;
  --type: #eef0f6;
  --stamp: #b6a9ff;
  --pen: #9db7ff;
  --highlight: #e9d94f;
  --shadow: 0 1px 1px rgb(0 0 0 / 0.4), 0 24px 48px -20px rgb(0 0 0 / 0.8);
  --stamp-blend: screen;
  color-scheme: dark;
}

/* ------------------------------------------------------------ base */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

html.sealed {
  overflow: hidden;
}

.sealed .envelope-stage {
  display: grid;
}

body {
  margin: 0;
  background-color: var(--desk);
  /* Linoleum: two offset dot grids. */
  background-image:
    radial-gradient(var(--desk-shade) 1px, transparent 1.4px),
    radial-gradient(var(--desk-shade) 1px, transparent 1.4px);
  background-size: 22px 22px;
  background-position: 0 0, 11px 11px;
  color: var(--type);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

p,
h1,
h2,
h3,
ol,
ul,
dl,
dd {
  margin: 0;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--pen);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.typed {
  font-family: var(--typed);
  color: var(--type);
}

.button {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border: 2px solid var(--form);
  border-radius: 2px;
  background: var(--form);
  color: var(--paper);
  font: 700 15px/1.2 var(--sans);
  font-stretch: 90%;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: color-mix(in srgb, var(--form) 82%, var(--type));
}

.button:disabled {
  opacity: 0.55;
  cursor: progress;
}

.button-quiet {
  background: transparent;
  color: var(--form);
}

.button-quiet:hover {
  background: var(--form-soft);
}

.link-button {
  border: 0;
  background: none;
  color: var(--form);
  font: 500 14px var(--sans);
  text-decoration: underline;
  cursor: pointer;
}

/* ------------------------------------------------------------ envelope */

.envelope-stage {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 16px;
  background: inherit;
  background-color: var(--desk);
}

.envelope {
  position: relative;
  width: min(680px, 100%);
  aspect-ratio: 2.3;
  background: var(--paper);
  box-shadow: var(--shadow);
  transform: rotate(-1.2deg);
}

.tear-strip {
  position: absolute;
  inset: 0 0 auto;
  height: 15%;
  padding: 0 4.5rem 0 1.25rem;
  border: 0;
  border-bottom: 2px dashed var(--form-rule);
  background: var(--paper);
  color: var(--form);
  font: 600 14px var(--sans);
  font-stretch: 85%;
  text-align: left;
  cursor: pointer;
}

/* The pull tab sticking out past the right edge. */
.tear-strip::after {
  content: 'Pull';
  position: absolute;
  top: 0;
  right: -2.6rem;
  bottom: 0;
  display: grid;
  place-items: center;
  width: 4.5rem;
  background: var(--form);
  color: var(--paper);
  font-weight: 800;
  clip-path: polygon(0 0, 82% 0, 100% 50%, 82% 100%, 0 100%);
}

.tear-strip:hover::after {
  right: -3rem;
}

.envelope-face {
  position: absolute;
  inset: 15% 0 0;
}

.return-address {
  position: absolute;
  top: 9%;
  left: 5%;
  color: var(--form);
  font-style: normal;
  font-size: 13px;
  font-stretch: 85%;
  line-height: 1.35;
}

.return-address strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
}

.meter {
  position: absolute;
  top: 9%;
  right: 5%;
  display: grid;
  padding: 0.4rem 0.7rem;
  border: 2px solid var(--form);
  color: var(--form);
  font-size: 12px;
  font-stretch: 80%;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
}

.window {
  position: absolute;
  top: 40%;
  left: 9%;
  width: 52%;
  height: 40%;
  padding: 0.8rem 1rem;
  border-radius: 6px;
  /* Glassine: a faint grey sheen over the letter inside. */
  background: linear-gradient(115deg, rgb(160 170 180 / 0.12), rgb(255 255 255 / 0) 40%, rgb(160 170 180 / 0.16));
  box-shadow: inset 0 0 0 1px var(--form-rule);
  font-family: var(--typed);
  font-size: 15px;
  line-height: 1.35;
}

.window-notice {
  font-weight: 700;
}

.barcode {
  position: absolute;
  left: 9%;
  bottom: 7%;
  display: flex;
  align-items: center;
  gap: 2px;
  height: 14px;
}

.barcode span {
  width: 2px;
  background: var(--type);
}

.barcode .t { height: 33%; }
.barcode .a { height: 66%; transform: translateY(-25%); }
.barcode .d { height: 66%; transform: translateY(25%); }
.barcode .f { height: 100%; }

.opening .tear-strip {
  animation: tear 420ms cubic-bezier(0.5, 0, 0.75, 0) forwards;
}

.opening .envelope {
  animation: drop 620ms 380ms cubic-bezier(0.55, 0, 0.8, 0.2) forwards;
}

.opening {
  animation: lift 400ms 700ms ease-out forwards;
}

@keyframes tear {
  to {
    transform: translate(120%, -30%) rotate(8deg);
    opacity: 0;
  }
}

@keyframes drop {
  to {
    transform: translateY(70vh) rotate(-9deg);
  }
}

@keyframes lift {
  to {
    opacity: 0;
  }
}

/* ------------------------------------------------------------ desk */

.desk {
  padding: 4rem 16px 12rem;
}

.notice,
.form {
  background: var(--paper);
  box-shadow: var(--shadow);
}

.notice {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 2.75rem 2.75rem;
  transform: rotate(-0.8deg);
}

.notice-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.25rem;
  color: var(--form);
  font-size: 13px;
  font-stretch: 85%;
  line-height: 1.35;
}

.agency {
  font-weight: 800;
}

.notice-no {
  text-align: right;
}

.notice h1 {
  margin-bottom: 1.5rem;
  color: var(--form);
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  font-stretch: 68%;
  font-weight: 850;
  line-height: 0.95;
  letter-spacing: -0.01em;
}

.notice h1:focus {
  outline: none;
}

.notice .typed {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
  font-size: 17px;
  line-height: 1.6;
}

/* ------------------------------------------------------------ the form */

.form {
  position: relative;
  max-width: 58rem;
  margin: 5rem auto 0;
  padding: 1.5rem 1.75rem 1.25rem;
  color: var(--form);
  overflow: hidden;
}

.form:focus {
  outline: none;
}

.form-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  border-bottom: 3px solid var(--form);
}

.form-id {
  padding: 0.25rem 1rem 0.5rem 0;
  border-right: 1.5px solid var(--form);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}

.form-id b {
  display: block;
  margin-top: 0.25rem;
  font-size: 30px;
  font-stretch: 112%;
  font-weight: 900;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.form-title {
  padding: 0.25rem 1rem;
}

.form-title p {
  font-size: 13px;
  font-stretch: 85%;
}

.form-title h2 {
  font-size: 22px;
  font-stretch: 80%;
  font-weight: 800;
  line-height: 1.15;
}

/* Hollow year numerals, as printed on the real thing. */
.form-year {
  padding-left: 1rem;
  border-left: 1.5px solid var(--form);
  color: transparent;
  -webkit-text-stroke: 1.5px var(--form);
  font-size: 52px;
  font-stretch: 125%;
  font-weight: 900;
  line-height: 1;
}

.field {
  display: grid;
  align-content: start;
  gap: 0.2rem;
  padding: 0.35rem 0.6rem 0.5rem;
}

.field-label {
  color: var(--form);
  font-size: 12px;
  font-stretch: 82%;
  font-weight: 500;
  line-height: 1.3;
}

.field-value {
  font-size: 16px;
  line-height: 1.35;
}

.field-value a {
  text-decoration-color: var(--form-rule);
}

.taxpayer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 3px solid var(--form);
}

.taxpayer .field {
  border-right: 1px solid var(--form-rule);
  border-bottom: 1px solid var(--form-rule);
}

.taxpayer .span-2 {
  grid-column: span 2;
}

.taxpayer .span-3 {
  grid-column: span 3;
  border-right: 0;
}

.taxpayer .checks:last-child {
  border-bottom: 0;
}

.check-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
  color: var(--type);
  font-size: 15px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.box {
  display: inline-grid;
  place-items: center;
  width: 1.15em;
  height: 1.15em;
  border: 1.5px solid var(--form);
  font-weight: 700;
  line-height: 1;
}

/* Part headers: reversed label, then the title in bold ink. */
.part-head {
  display: flex;
  align-items: stretch;
  gap: 0.75rem;
  border-bottom: 1.5px solid var(--form);
  font-size: 16px;
  font-stretch: 85%;
  font-weight: 800;
}

.part-head span:first-child {
  padding: 0.2rem 0.6rem;
  background: var(--form);
  color: var(--paper);
}

.part-head span:last-child {
  padding: 0.2rem 0;
}

.part {
  border-bottom: 3px solid var(--form);
}

.lines {
  padding: 0;
  list-style: none;
}

.line {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr) 11rem 8.5rem;
  border-bottom: 1px solid var(--form-rule);
}

.lines .line:last-child {
  border-bottom: 0;
}

.line-no {
  padding: 0.7rem 0 0 0.25rem;
  font-weight: 800;
}

.line-body {
  display: grid;
  gap: 0.15rem;
  padding: 0.65rem 1rem 0.75rem 0;
}

.line-label {
  font-size: 15px;
  font-stretch: 82%;
  font-weight: 700;
  line-height: 1.3;
}

.line-meta {
  margin-left: 0.6rem;
  font-weight: 400;
}

.line-entry {
  font-size: 15px;
  line-height: 1.4;
}

.line-amount {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0.5rem 0.75rem;
  border-left: 1px solid var(--form-rule);
  background: var(--form-soft);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  text-align: right;
}

.line-audit {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0.5rem;
  border-left: 1px solid var(--form-rule);
}

.audit-button {
  padding: 0.45rem 0.7rem;
  border: 1.5px solid var(--form);
  border-radius: 2px;
  background: var(--paper);
  color: var(--form);
  font: 700 14px var(--sans);
  font-stretch: 88%;
  cursor: pointer;
}

.audit-button:hover {
  background: var(--highlight);
  color: var(--note-ink);
}

.stamped .audit-button {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
  color: transparent;
}

.stamped .audit-button:hover {
  background: color-mix(in srgb, var(--stamp) 8%, transparent);
}

.line-total {
  grid-template-columns: 2.75rem minmax(0, 1fr) 11rem 8.5rem;
  border-top: 1.5px solid var(--form);
  border-bottom: 0;
}

.line-total .line-label,
.line-owe .line-label {
  padding: 0.7rem 1rem 0.7rem 0;
  font-weight: 600;
}

.line-owe {
  grid-template-columns: 2.75rem minmax(0, 1fr) 11rem 8.5rem;
}

.skills {
  display: grid;
  grid-template-columns: 11rem 1fr;
}

.skills dt,
.skills dd {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--form-rule);
}

.skills dt {
  padding-left: 0.25rem;
  font-size: 15px;
  font-stretch: 82%;
  font-weight: 700;
}

.skills dd {
  border-left: 1px solid var(--form-rule);
  font-size: 15px;
}

.skills dt:last-of-type,
.skills dd:last-of-type {
  border-bottom: 0;
}

.payment {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0;
  border-top: 1px solid var(--form-rule);
  list-style: none;
}

.payment li {
  display: grid;
  gap: 0.15rem;
  padding: 0.6rem 0.75rem 0.75rem;
  border-right: 1px solid var(--form-rule);
}

.payment li:first-child {
  padding-left: 2.75rem;
}

.payment li:last-child {
  border-right: 0;
}

.pay {
  color: var(--form);
  font-size: 18px;
  font-stretch: 85%;
  font-weight: 800;
}

.payment .typed {
  overflow-wrap: anywhere;
  font-size: 14px;
}

/* ------------------------------------------------------------ signature */

.sign {
  position: relative;
  padding: 1.5rem 0 1.25rem 2.75rem;
}

.sign-flag {
  position: absolute;
  top: 1.4rem;
  left: -1.75rem;
  padding: 0.3rem 1.4rem 0.3rem 1.75rem;
  background: var(--highlight);
  color: var(--note-ink);
  font-size: 14px;
  font-stretch: 80%;
  font-weight: 850;
  clip-path: polygon(0 0, 88% 0, 100% 50%, 88% 100%, 0 100%);
  transform: rotate(-4deg);
}

.sign-oath {
  max-width: 62ch;
  margin: 0 0 1rem 5.5rem;
  font-size: 13px;
  line-height: 1.45;
}

.sign-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.sign .field {
  padding: 0;
}

#signature {
  width: 100%;
  height: 7rem;
  border-bottom: 1.5px solid var(--form);
  background: color-mix(in srgb, var(--form-soft) 55%, var(--paper));
  cursor: crosshair;
  touch-action: none;
}

#signer {
  width: 100%;
  margin-top: auto;
  padding: 0.4rem 0;
  border: 0;
  border-bottom: 1.5px solid var(--form);
  background: transparent;
  color: var(--pen);
  font: 400 20px var(--typed);
}

.sign .field:last-child {
  grid-template-rows: auto 1fr;
}

.sign-status {
  min-height: 1.5em;
  margin: 1rem 0 0.75rem;
  color: var(--type);
  font-family: var(--typed);
  font-size: 15px;
}

.sign-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding-top: 0.5rem;
  border-top: 3px solid var(--form);
  font-size: 12px;
  font-stretch: 85%;
}

/* ------------------------------------------------------------ stamps */

.stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  justify-items: center;
  padding: 0.3rem 0.55rem 0.25rem;
  border: 3px solid var(--stamp);
  border-radius: 4px;
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3.5px var(--stamp);
  color: var(--stamp);
  font-family: var(--sans);
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
  mix-blend-mode: var(--stamp-blend);
  filter: url(#ink);
  pointer-events: none;
  transform: translate(-50%, -50%) rotate(var(--tilt, -6deg));
  animation: thunk 260ms cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}

.stamp b {
  font-size: 20px;
  font-stretch: 112%;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.stamp small {
  margin-top: 0.2rem;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.stamp-appeal b {
  font-size: 15px;
}

.stamp-closed {
  position: absolute;
  top: 45%;
  left: 50%;
  padding: 0.6rem 1.4rem;
  border-width: 6px;
  box-shadow: inset 0 0 0 4px var(--paper), inset 0 0 0 7px var(--stamp);
  transform: translate(-50%, -50%) rotate(var(--tilt));
  animation-duration: 420ms;
}

.stamp-closed b {
  font-size: clamp(40px, 10vw, 96px);
}

.stamp-closed small {
  font-size: clamp(12px, 2vw, 18px);
}

@keyframes thunk {
  from {
    opacity: 0;
    scale: 1.9;
  }
  70% {
    opacity: 1;
    scale: 0.94;
  }
  to {
    scale: 1;
  }
}

/* ------------------------------------------------------------ tally */

.tally {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 10;
  width: 12.5rem;
  padding: 0.9rem 1rem 1.1rem;
  background: var(--highlight);
  box-shadow: 0 10px 18px -10px rgb(0 0 0 / 0.5);
  color: var(--note-ink);
  font-family: var(--typed);
  font-size: 14px;
  line-height: 1.4;
  transform: rotate(2.5deg);
}

.tally-head {
  font-family: var(--sans);
  font-stretch: 85%;
  font-weight: 800;
}

.sealed .tally {
  display: none;
}

/* ------------------------------------------------------------ evidence dialog */

.exhibit {
  width: min(46rem, calc(100% - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 2.5rem 2.5rem 2rem;
  border: 0;
  background: var(--paper);
  box-shadow: var(--shadow);
  color: var(--type);
}

.exhibit::backdrop {
  background: rgb(15 22 38 / 0.55);
  backdrop-filter: blur(2px);
}

.staple {
  position: absolute;
  top: 14px;
  left: 20px;
  width: 52px;
  height: 7px;
  border: 2px solid #9aa0a6;
  border-bottom: 0;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(#d9dde1, #9aa0a6);
  transform: rotate(-9deg);
}

.exhibit-head {
  position: relative;
  margin-bottom: 1.25rem;
  padding-right: 2.5rem;
  color: var(--form);
}

#exhibit-kicker {
  font-size: 14px;
  font-stretch: 85%;
  font-weight: 600;
}

#exhibit-title {
  font-size: 30px;
  font-stretch: 72%;
  font-weight: 850;
  line-height: 1.05;
}

.close {
  position: absolute;
  top: -0.6rem;
  right: -0.6rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: none;
  color: var(--form);
  font: 400 30px/1 var(--sans);
  cursor: pointer;
}

.evidence {
  display: grid;
  gap: 0.5rem;
  max-width: 64ch;
  padding-left: 1.2rem;
  font-size: 15px;
  line-height: 1.5;
  list-style: square;
}

.evidence li::marker {
  color: var(--form);
}

.demo {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.75rem;
  padding: 1.25rem;
  border: 1.5px dashed var(--form-rule);
  background: color-mix(in srgb, var(--form-soft) 45%, var(--paper));
}

.demo h3 {
  color: var(--form);
  font-size: 19px;
  font-stretch: 80%;
  font-weight: 800;
  line-height: 1.2;
}

.demo > p {
  max-width: 64ch;
  font-size: 15px;
}

.demo .button {
  justify-self: start;
}

.ask {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.ask input {
  flex: 1 1 14rem;
  min-width: 0;
  padding: 0.6rem 0.7rem;
  border: 1.5px solid var(--form);
  border-radius: 2px;
  background: var(--paper);
  color: var(--type);
  font: 16px var(--typed);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--form-rule);
  border-radius: 2px;
  background: var(--paper);
  color: var(--type);
  font: 14px var(--typed);
  cursor: pointer;
}

.chip:hover {
  border-color: var(--form);
  background: var(--highlight);
  color: var(--note-ink);
}

.code {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--stamp);
  background: var(--paper);
  color: var(--type);
  font: 14px/1.5 var(--typed);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.sql-out {
  display: grid;
  gap: 0.75rem;
}

.result {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font: 14px/1.35 var(--typed);
}

.result th {
  padding: 0.35rem 0.5rem;
  border-bottom: 1.5px solid var(--form);
  color: var(--form);
  font: 700 13px var(--sans);
  font-stretch: 85%;
  text-align: left;
}

.result td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--form-rule);
  vertical-align: top;
}

.slider {
  display: grid;
  gap: 0.25rem;
  font-size: 14px;
  font-weight: 600;
  color: var(--form);
}

.slider input {
  width: 100%;
  accent-color: var(--form);
}

.steps {
  display: grid;
  gap: 0.2rem;
  padding-left: 1.6rem;
  font-size: 14px;
}

.steps:empty {
  display: none;
}

.verdict {
  font-weight: 700;
}

.verdict:empty {
  display: none;
}

.score {
  font-size: 15px;
}

.score b {
  margin-right: 0.25rem;
  color: var(--form);
  font-size: 64px;
  font-stretch: 115%;
  font-weight: 900;
  line-height: 1;
}

.dimensions {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0;
  list-style: none;
}

.dimensions li {
  display: grid;
  grid-template-columns: 8.5rem 1fr 12rem;
  align-items: center;
  gap: 0.75rem;
  font-size: 14px;
}

.dim-name {
  font-weight: 700;
}

.bar {
  height: 0.6rem;
  background: linear-gradient(90deg, var(--form) var(--v), var(--form-soft) var(--v));
  box-shadow: inset 0 0 0 1px var(--form-rule);
}

.appeal {
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--stamp);
  background: color-mix(in srgb, var(--stamp) 10%, var(--paper));
  font-size: 15px;
}

.exhibit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--form-rule);
}

.noscript {
  max-width: 40rem;
  margin: 2rem auto;
  padding: 1.5rem;
  background: var(--paper);
  color: var(--form);
  font-size: 18px;
}

/* ------------------------------------------------------------ small screens */

@media (max-width: 700px) {
  .desk {
    padding-top: 2rem;
  }

  .notice {
    padding: 1.75rem 1.25rem 2rem;
    transform: none;
  }

  .form {
    margin-top: 3rem;
    padding: 1rem 0.9rem;
  }

  .form-head {
    grid-template-columns: 1fr auto;
  }

  .form-id {
    grid-column: 1 / -1;
    padding-right: 0;
    border-right: 0;
  }

  .form-title {
    padding-left: 0;
  }

  .form-year {
    font-size: 36px;
  }

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

  .taxpayer .span-2,
  .taxpayer .span-3 {
    grid-column: auto;
  }

  .taxpayer .field {
    border-right: 0;
  }

  .line,
  .line-total,
  .line-owe {
    grid-template-columns: 2.25rem minmax(0, 1fr) auto;
    grid-template-areas:
      'no body body'
      'no amount audit';
  }

  .line-no {
    grid-area: no;
  }

  .line-body,
  .line-total .line-label,
  .line-owe .line-label {
    grid-area: body;
  }

  .line-amount {
    grid-area: amount;
    justify-content: flex-start;
    border-left: 0;
    text-align: left;
  }

  .line-audit {
    grid-area: audit;
    min-width: 8rem;
    min-height: 3.5rem;
  }

  .line-meta {
    display: block;
    margin-left: 0;
  }

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

  .skills dt {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .skills dd {
    border-left: 0;
  }

  .skills dt:last-of-type {
    border-bottom: 0;
  }

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

  .payment li,
  .payment li:first-child {
    padding-left: 2.25rem;
    border-right: 0;
    border-bottom: 1px solid var(--form-rule);
  }

  .sign {
    padding-left: 0;
    padding-top: 3.25rem;
  }

  .sign-flag {
    top: 1rem;
    left: -1.25rem;
  }

  .sign-oath {
    margin-left: 0;
  }

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

  .tally {
    right: 0.75rem;
    bottom: 0.75rem;
    width: 10.5rem;
    padding: 0.6rem 0.75rem 0.75rem;
    font-size: 13px;
  }

  .exhibit {
    width: 100%;
    max-width: 100%;
    max-height: 100dvh;
    height: 100dvh;
    margin: 0;
    padding: 2.25rem 1.1rem 1.5rem;
  }

  .dimensions li {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .envelope {
    aspect-ratio: auto;
  }

  .tear-strip {
    position: relative;
    width: 100%;
    height: 3.25rem;
    font-size: 13px;
  }

  .tear-strip::after {
    right: -1.25rem;
    width: 3.25rem;
  }

  /* Too narrow for an envelope's absolute layout: stack the parts instead. */
  .envelope-face {
    position: static;
    display: grid;
    gap: 1.25rem;
    padding: 1.25rem 1.25rem 1.5rem;
  }

  .return-address,
  .meter,
  .window,
  .barcode {
    position: static;
    width: auto;
    height: auto;
  }

  .meter {
    justify-self: start;
    text-align: left;
  }

  .window {
    font-size: 14px;
  }

  .barcode {
    height: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}