:root {
  color-scheme: light;
  --ink: #1c2731;
  --muted: #65717c;
  --blue: #30465b;
  --blue-dark: #213343;
  --orange: #e76f3d;
  --yellow: #f4c85c;
  --paper: #fffdf8;
  --desk: #d8dde0;
  --line: #b7c0c5;
  --green: #27745b;
  --red: #b14439;
  --shadow: 0 18px 42px rgba(25, 39, 49, 0.2);
  font-family: Inter, "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: #e8ebed;
  color: var(--ink);
  min-width: 320px;
}

body {
  margin: 0;
  min-height: 100vh;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: var(--blue-dark);
  color: white;
  display: flex;
  height: 60px;
  justify-content: space-between;
  padding: 0 24px;
}

.brand {
  align-items: center;
  display: inline-flex;
  font-size: 15px;
  font-weight: 900;
  gap: 11px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-mark {
  background: var(--paper);
  border: 2px solid #111c24;
  box-shadow: 3px 3px 0 #101a21;
  display: grid;
  gap: 2px;
  height: 31px;
  padding: 5px;
  transform: rotate(-2deg);
  width: 29px;
}

.brand-mark i {
  background: var(--orange);
  display: block;
  height: 4px;
  position: relative;
}

.brand-mark i::before {
  background: var(--blue);
  border-radius: 50%;
  content: "";
  height: 4px;
  left: -1px;
  position: absolute;
  width: 4px;
}

.site-header nav {
  display: flex;
  font-size: 12px;
  font-weight: 700;
  gap: 20px;
}

.site-header nav a {
  color: #dbe3e8;
  text-underline-offset: 4px;
}

footer {
  align-items: center;
  background: var(--blue-dark);
  color: #bdc9d1;
  display: flex;
  font-size: 11px;
  gap: 24px;
  justify-content: center;
  min-height: 72px;
  padding: 18px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

.workbench {
  min-height: calc(100vh - 132px);
}

.workbench-toolbar {
  align-items: center;
  background: #f7f8f8;
  border-bottom: 1px solid #aeb8bd;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr auto 1fr;
  min-height: 58px;
  padding: 8px 18px;
  position: sticky;
  top: 0;
  z-index: 20;
}

.toolbar-group {
  display: flex;
  gap: 7px;
}

.toolbar-group.right {
  justify-content: flex-end;
}

.tool-button,
.print-button {
  align-items: center;
  background: white;
  border: 1px solid #aab4ba;
  border-radius: 3px;
  color: var(--ink);
  display: inline-flex;
  font-size: 11px;
  font-weight: 800;
  gap: 6px;
  min-height: 38px;
  padding: 7px 12px;
}

.tool-button span,
.print-button span {
  font-size: 17px;
  line-height: 1;
}

.tool-button:hover {
  background: #eef2f4;
}

.tool-button.muted {
  color: var(--muted);
}

.print-button {
  background: var(--orange);
  border-color: #ad4525;
  box-shadow: 3px 3px 0 var(--blue-dark);
  color: white;
}

.save-state {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 10px;
  gap: 7px;
  justify-content: center;
}

.save-state i {
  background: #32a36f;
  border-radius: 50%;
  box-shadow: 0 0 0 3px #d8eee4;
  height: 7px;
  width: 7px;
}

.save-state[data-tone="saving"] i {
  background: var(--yellow);
  box-shadow: 0 0 0 3px #f8edc9;
}

.save-state[data-tone="error"] {
  color: var(--red);
}

.save-state[data-tone="error"] i {
  background: var(--red);
  box-shadow: 0 0 0 3px #f4dcd8;
}

.workbench-grid {
  align-items: start;
  background:
    linear-gradient(rgba(71, 88, 99, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(71, 88, 99, 0.07) 1px, transparent 1px), var(--desk);
  background-size: 24px 24px;
  display: grid;
  grid-template-columns: 72px minmax(360px, 440px) minmax(500px, 1fr);
  min-height: calc(100vh - 190px);
}

.parts-rail {
  align-items: center;
  align-self: stretch;
  background: var(--blue);
  color: white;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100%;
  padding: 20px 9px;
}

.rail-label {
  color: #c6d1d9;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin: 0 0 6px;
  writing-mode: vertical-rl;
}

.tool-icon {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
  min-height: 55px;
  width: 52px;
}

.tool-icon span {
  color: var(--yellow);
  font-size: 22px;
  font-weight: 900;
}

.tool-icon small,
.privacy-lock small {
  font-size: 8px;
  font-weight: 800;
}

.privacy-lock {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  color: #cbd6dc;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: auto;
  padding: 15px 0 2px;
  width: 100%;
}

.privacy-lock span {
  font-size: 22px;
}

.edit-panel {
  align-self: stretch;
  background: #f4f6f6;
  border-right: 1px solid #aeb7bc;
  box-shadow: 8px 0 24px rgba(31, 45, 54, 0.09);
  max-height: calc(100vh - 118px);
  overflow-y: auto;
  padding: 22px;
  position: sticky;
  top: 58px;
  z-index: 5;
}

.panel-heading,
.preview-bar {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.eyebrow {
  color: var(--orange);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
  margin: 0 0 6px;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  font-size: clamp(23px, 2.4vw, 30px);
  line-height: 1.25;
  margin: 0;
}

.panel-heading h1 {
  font-size: 23px;
}

.step-count {
  background: var(--blue);
  color: white;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 10px;
  font-weight: 800;
  padding: 6px 9px;
}

.meta-fields {
  border-bottom: 2px solid var(--blue);
  display: grid;
  gap: 11px;
  margin-top: 20px;
  padding-bottom: 20px;
}

label {
  color: #4f5b64;
  display: grid;
  font-size: 10px;
  font-weight: 800;
  gap: 5px;
}

.two-fields {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, 1fr);
}

input,
select,
textarea {
  background: white;
  border: 1px solid #aeb8bd;
  border-radius: 2px;
  color: var(--ink);
  min-height: 39px;
  padding: 8px 9px;
}

input::placeholder,
textarea::placeholder {
  color: #9aa3a8;
}

textarea {
  line-height: 1.5;
  min-height: 66px;
  resize: vertical;
}

.step-list {
  display: grid;
  gap: 13px;
  margin-top: 19px;
}

.step-editor {
  background: white;
  border: 1px solid #b3bdc2;
  box-shadow: 2px 3px 0 rgba(49, 64, 73, 0.09);
}

.step-editor-head {
  align-items: center;
  background: #e7ecee;
  border-bottom: 1px solid #bbc5ca;
  display: flex;
  min-height: 38px;
  padding: 5px 7px;
}

.drag-handle {
  color: #89959b;
  font-size: 18px;
  margin-right: 5px;
}

.step-editor-head strong {
  color: var(--blue);
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.step-actions {
  display: flex;
  gap: 3px;
  margin-left: auto;
}

.step-actions button {
  align-items: center;
  background: white;
  border: 1px solid #b9c2c7;
  color: #5b6870;
  display: inline-flex;
  font-size: 11px;
  height: 25px;
  justify-content: center;
  width: 27px;
}

.step-actions button:last-child {
  color: var(--red);
}

.step-editor-body {
  display: grid;
  gap: 12px;
  grid-template-columns: 112px 1fr;
  padding: 11px;
}

.photo-drop {
  align-items: center;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(45deg, #e8ecee 25%, transparent 25%) 0 0 / 14px 14px,
    linear-gradient(45deg, transparent 75%, #e8ecee 75%) 0 0 / 14px 14px,
    #f6f7f7;
  border: 1px dashed #98a5ac;
  cursor: pointer;
  display: flex;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.photo-drop.dragging {
  border: 2px solid var(--orange);
  box-shadow: inset 0 0 0 3px rgba(231, 111, 61, 0.18);
}

.photo-placeholder {
  align-items: center;
  color: #75828a;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.photo-placeholder b {
  align-items: center;
  background: var(--blue);
  border-radius: 50%;
  color: white;
  display: inline-flex;
  font-size: 18px;
  height: 32px;
  justify-content: center;
  width: 32px;
}

.photo-placeholder small {
  font-size: 9px;
}

.photo-drop img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.focus-hint {
  background: rgba(26, 39, 48, 0.78);
  bottom: 0;
  color: white;
  display: none;
  font-size: 7px;
  inset-inline: 0;
  padding: 3px;
  position: absolute;
  text-align: center;
}

.photo-drop.has-photo:hover .focus-hint {
  display: block;
}

.focus-dot {
  border: 2px solid white;
  border-radius: 50%;
  box-shadow:
    0 0 0 2px var(--orange),
    0 1px 4px rgba(0, 0, 0, 0.4);
  height: 12px;
  pointer-events: none;
  position: absolute;
  transform: translate(-50%, -50%);
  width: 12px;
}

.step-fields {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.step-fields textarea {
  min-height: 58px;
}

.add-step {
  background: transparent;
  border: 1px dashed #87969e;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  margin: 13px 0 20px;
  min-height: 43px;
  width: 100%;
}

.add-step span {
  font-size: 17px;
  margin-right: 5px;
}

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

.completion-field {
  background: #e6f0eb;
  border-left: 4px solid var(--green);
  padding: 11px;
}

.completion-field span {
  color: var(--green);
}

.local-note {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.7;
  margin: 16px 2px 8px;
}

.preview-panel {
  min-width: 0;
  padding: 22px 24px 60px;
}

.preview-bar {
  margin: 0 auto 16px;
  max-width: 800px;
}

.preview-bar strong {
  font-size: 15px;
}

.zoom-control {
  align-items: center;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid #aeb8bd;
  display: flex;
}

.zoom-control button {
  background: transparent;
  border: 0;
  color: var(--blue);
  font-size: 18px;
  height: 32px;
  width: 34px;
}

.zoom-control span {
  border-inline: 1px solid #bdc5c9;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 9px;
  padding: 4px 8px;
}

.paper-scroll {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-height: 600px;
  overflow: auto;
  padding: 10px 18px 50px;
}

.manual-paper {
  --paper-zoom: 0.72;
  background: linear-gradient(90deg, transparent 0 99.7%, rgba(0, 0, 0, 0.025) 100%), var(--paper);
  box-shadow:
    0 0 0 1px #bcc3c5,
    var(--shadow);
  color: #17212a;
  flex: none;
  min-height: 297mm;
  padding: 11mm 12mm 9mm;
  position: relative;
  width: 210mm;
  zoom: var(--paper-zoom);
}

.manual-head {
  align-items: center;
  border-bottom: 2.5px solid var(--blue);
  display: grid;
  gap: 5mm;
  grid-template-columns: 18mm 1fr 29mm;
  min-height: 29mm;
  padding-bottom: 4mm;
}

.manual-code {
  align-items: center;
  background: var(--blue);
  color: white;
  display: flex;
  flex-direction: column;
  height: 18mm;
  justify-content: center;
  position: relative;
  width: 18mm;
}

.manual-code::after {
  border: 1.5mm solid var(--orange);
  content: "";
  inset: 2mm;
  position: absolute;
}

.manual-code span {
  font-size: 2.2mm;
  font-weight: 900;
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

.manual-code b {
  font-family: Georgia, serif;
  font-size: 7mm;
  line-height: 1;
  position: relative;
  z-index: 1;
}

.manual-head p {
  color: var(--orange);
  font-size: 2.5mm;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin: 0 0 1.5mm;
}

.manual-head h2 {
  font-size: 7mm;
  line-height: 1.25;
  margin: 0;
}

.manual-duration {
  border-left: 1px solid #c3c9cc;
  display: grid;
  gap: 1mm;
  min-height: 14mm;
  padding-left: 4mm;
  place-content: center;
}

.manual-duration small {
  color: var(--muted);
  font-size: 2.2mm;
  font-weight: 800;
}

.manual-duration strong {
  font-size: 3.4mm;
}

.manual-tools {
  align-items: center;
  background: #e9eef1;
  display: grid;
  grid-template-columns: 17mm 1fr;
  margin: 4mm 0;
  min-height: 11mm;
}

.manual-tools span {
  align-items: center;
  align-self: stretch;
  background: var(--blue);
  color: white;
  display: flex;
  font-size: 2.7mm;
  font-weight: 900;
  justify-content: center;
}

.manual-tools p {
  font-size: 3mm;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
  padding: 2mm 4mm;
}

.manual-steps {
  display: grid;
  gap: 3mm;
}

.manual-step {
  border-bottom: 0.3mm solid #c5cbce;
  display: grid;
  gap: 5mm;
  grid-template-columns: 65mm 1fr;
  min-height: 46mm;
  padding: 1.5mm 0 3mm;
}

.manual-photo {
  background: #dce1e3;
  height: 41mm;
  overflow: hidden;
  position: relative;
}

.manual-photo img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.manual-photo.empty {
  align-items: center;
  background:
    linear-gradient(45deg, #e3e7e8 25%, transparent 25%) 0 0 / 5mm 5mm,
    linear-gradient(45deg, transparent 75%, #e3e7e8 75%) 0 0 / 5mm 5mm,
    #f0f2f3;
  border: 0.3mm dashed #aeb7bb;
  color: #9da6aa;
  display: flex;
  font-family: ui-monospace, "Cascadia Mono", monospace;
  font-size: 2.5mm;
  justify-content: center;
  letter-spacing: 0.1em;
}

.manual-step-number {
  align-items: center;
  background: var(--orange);
  border: 0.8mm solid white;
  bottom: 2mm;
  box-shadow: 0.6mm 0.6mm 0 var(--blue-dark);
  color: white;
  display: flex;
  font-family: Georgia, serif;
  font-size: 5mm;
  height: 11mm;
  justify-content: center;
  left: 2mm;
  position: absolute;
  width: 11mm;
}

.preview-focus {
  border: 0.7mm solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 0.7mm var(--orange);
  height: 4mm;
  position: absolute;
  transform: translate(-50%, -50%);
  width: 4mm;
}

.manual-step-copy {
  align-self: center;
  min-width: 0;
}

.manual-step-copy h3 {
  color: var(--blue-dark);
  font-size: 5.2mm;
  line-height: 1.3;
  margin: 0 0 2mm;
}

.manual-step-copy > p {
  font-size: 3.2mm;
  line-height: 1.65;
  margin: 0;
  white-space: pre-wrap;
}

.manual-flag {
  align-items: stretch;
  border: 0.35mm solid var(--green);
  display: grid;
  grid-template-columns: 14mm 1fr;
  margin-top: 3mm;
  min-height: 9mm;
}

.manual-flag span {
  align-items: center;
  background: var(--green);
  color: white;
  display: flex;
  font-size: 2.7mm;
  font-weight: 900;
  justify-content: center;
}

.manual-flag p {
  align-self: center;
  font-size: 2.8mm;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  padding: 1.5mm 2.5mm;
}

.manual-flag.caution {
  border-color: #cf7d23;
}

.manual-flag.caution span {
  background: #cf7d23;
}

.manual-flag.stop {
  border-color: var(--red);
}

.manual-flag.stop span {
  background: var(--red);
}

.manual-completion {
  align-items: center;
  background: #e5f0eb;
  border: 0.5mm solid var(--green);
  display: grid;
  gap: 4mm;
  grid-template-columns: 13mm 1fr;
  margin-top: 4mm;
  min-height: 16mm;
  padding: 2mm 4mm;
}

.manual-completion.continued {
  background: #eef1f2;
  border-color: var(--blue);
}

.complete-seal {
  align-items: center;
  border: 0.7mm solid var(--green);
  border-radius: 50%;
  color: var(--green);
  display: flex;
  font-family: serif;
  font-size: 5mm;
  font-weight: 900;
  height: 10mm;
  justify-content: center;
  transform: rotate(-6deg);
  width: 10mm;
}

.continued .complete-seal {
  border-color: var(--blue);
  color: var(--blue);
}

.manual-completion small {
  color: var(--green);
  font-size: 2.4mm;
  font-weight: 900;
}

.manual-completion p {
  font-size: 3mm;
  font-weight: 800;
  line-height: 1.4;
  margin: 0.8mm 0 0;
}

.manual-foot {
  bottom: 4mm;
  color: #7d878c;
  display: flex;
  font-size: 2mm;
  justify-content: space-between;
  left: 12mm;
  position: absolute;
  right: 12mm;
}

.info-page {
  background:
    linear-gradient(rgba(72, 90, 102, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 90, 102, 0.055) 1px, transparent 1px), #edf0f1;
  background-size: 24px 24px;
  min-height: calc(100vh - 132px);
  padding: 70px 28px 100px;
}

.info-page > * {
  margin-inline: auto;
  max-width: 960px;
}

.info-heading {
  align-items: center;
  display: flex;
  gap: 28px;
  margin-bottom: 48px;
}

.mini-paper {
  background: var(--paper);
  border: 2px solid var(--blue-dark);
  box-shadow: 7px 8px 0 var(--blue);
  display: flex;
  gap: 5px;
  min-height: 82px;
  padding: 12px;
  transform: rotate(-3deg);
  width: 105px;
}

.mini-paper i {
  align-items: end;
  background: #d7dee1;
  color: white;
  display: flex;
  flex: 1;
  font-family: Georgia, serif;
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
  justify-content: center;
  padding-bottom: 5px;
}

.mini-paper i:nth-child(2) {
  background: var(--orange);
}

.guide-grid {
  display: grid;
  gap: 12px;
  list-style: none;
  margin-bottom: 30px;
  padding: 0;
}

.guide-grid li {
  align-items: start;
  background: var(--paper);
  border: 1px solid #b9c2c6;
  display: grid;
  gap: 22px;
  grid-template-columns: 54px 1fr;
  padding: 22px;
}

.guide-grid b {
  color: var(--orange);
  font-family: Georgia, serif;
  font-size: 27px;
}

.guide-grid h2,
.boundary-card h2,
.privacy-copy h2 {
  font-size: 17px;
  margin: 0 0 8px;
}

.guide-grid p,
.boundary-card p,
.privacy-copy p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  margin: 0;
}

.boundary-card {
  align-items: center;
  background: var(--blue-dark);
  color: white;
  display: grid;
  gap: 22px;
  grid-template-columns: 54px 1fr;
  padding: 25px;
}

.boundary-card p {
  color: #d1dae0;
}

.boundary-icon {
  align-items: center;
  border: 3px solid var(--yellow);
  border-radius: 50%;
  color: var(--yellow);
  display: flex;
  font-family: Georgia, serif;
  font-size: 27px;
  font-weight: 900;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.device-lock {
  align-items: center;
  background: var(--blue);
  border: 3px solid var(--blue-dark);
  box-shadow: 7px 8px 0 #94a2aa;
  color: white;
  display: flex;
  height: 82px;
  justify-content: center;
  position: relative;
  transform: rotate(-2deg);
  width: 105px;
}

.device-lock span {
  font-size: 37px;
}

.device-lock i {
  align-items: center;
  background: var(--orange);
  border-radius: 50%;
  bottom: -8px;
  display: flex;
  font-size: 14px;
  font-style: normal;
  height: 30px;
  justify-content: center;
  position: absolute;
  right: -8px;
  width: 30px;
}

.data-flow {
  align-items: center;
  background: var(--paper);
  border: 1px solid #b8c1c5;
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  margin-bottom: 30px;
  padding: 28px;
}

.data-flow > div {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 120px;
  text-align: center;
}

.data-flow > div > span {
  align-items: center;
  background: #e3e8ea;
  color: var(--blue);
  display: flex;
  font-size: 28px;
  height: 58px;
  justify-content: center;
  width: 70px;
}

.data-flow .flow-device > span {
  background: var(--blue);
  color: white;
}

.data-flow .flow-server > span {
  background: #eee8e7;
  color: var(--red);
}

.data-flow b {
  font-size: 13px;
}

.data-flow small {
  color: var(--muted);
  font-size: 10px;
}

.flow-arrow {
  color: var(--green);
  font-size: 25px;
  font-weight: 900;
}

.flow-arrow.blocked {
  color: var(--red);
}

.privacy-copy {
  background: var(--blue-dark);
  color: white;
  padding: 28px;
}

.privacy-copy h2:not(:first-child) {
  border-top: 1px solid #5b6c79;
  margin-top: 24px;
  padding-top: 24px;
}

.privacy-copy p {
  color: #d3dce1;
}

.not-found {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 25px;
  justify-content: center;
  min-height: calc(100vh - 132px);
  padding: 30px;
  text-align: center;
}

.home-link {
  background: var(--orange);
  border: 2px solid var(--blue-dark);
  box-shadow: 4px 4px 0 var(--blue-dark);
  color: white;
  font-size: 12px;
  font-weight: 900;
  padding: 11px 18px;
  text-decoration: none;
}

@media print {
  @page {
    margin: 0;
    size: A4 portrait;
  }

  html,
  body {
    background: white;
  }

  .site-header,
  footer,
  .workbench-toolbar,
  .parts-rail,
  .edit-panel,
  .preview-bar {
    display: none !important;
  }

  .workbench-grid,
  .preview-panel,
  .paper-scroll {
    background: white;
    display: block;
    min-height: 0;
    padding: 0;
  }

  .manual-paper {
    box-shadow: none;
    break-after: page;
    min-height: 297mm;
    page-break-after: always;
    zoom: 1;
  }

  .manual-paper:last-child {
    break-after: auto;
    page-break-after: auto;
  }
}

@media (max-width: 1120px) {
  .workbench-grid {
    grid-template-columns: 62px minmax(330px, 400px) minmax(450px, 1fr);
  }

  .parts-rail {
    padding-inline: 5px;
  }

  .tool-icon {
    width: 48px;
  }

  .preview-panel {
    padding-inline: 10px;
  }
}

@media (max-width: 900px) {
  .workbench-toolbar {
    grid-template-columns: 1fr auto;
  }

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

  .workbench-grid {
    display: block;
  }

  .parts-rail {
    display: none;
  }

  .edit-panel {
    border-bottom: 1px solid #aeb7bc;
    border-right: 0;
    max-height: none;
    position: static;
  }

  .preview-panel {
    padding-top: 24px;
  }
}

@media (max-width: 600px) {
  .site-header {
    height: 56px;
    padding: 0 16px;
  }

  .site-header nav {
    gap: 12px;
  }

  .site-header nav a:first-child {
    display: none;
  }

  .workbench-toolbar {
    gap: 7px;
    padding: 7px 9px;
    position: static;
  }

  .tool-button,
  .print-button {
    font-size: 0;
    min-width: 39px;
    padding: 6px 10px;
  }

  .tool-button span,
  .print-button span {
    font-size: 17px;
  }

  .tool-button.muted {
    font-size: 10px;
  }

  .edit-panel {
    padding: 18px 14px;
  }

  .step-editor-body {
    grid-template-columns: 1fr;
  }

  .photo-drop {
    max-height: 220px;
  }

  .preview-panel {
    padding: 18px 0 45px;
  }

  .preview-bar {
    padding-inline: 14px;
  }

  .paper-scroll {
    align-items: flex-start;
    padding-left: 12px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .info-page {
    padding: 45px 16px 70px;
  }

  .info-heading {
    align-items: flex-start;
    gap: 20px;
  }

  .mini-paper,
  .device-lock {
    flex: none;
    transform: scale(0.82) rotate(-3deg);
    transform-origin: top left;
  }

  .guide-grid li {
    gap: 14px;
    grid-template-columns: 40px 1fr;
    padding: 17px;
  }

  .guide-grid b {
    font-size: 22px;
  }

  .boundary-card {
    align-items: start;
    grid-template-columns: 42px 1fr;
    padding: 18px;
  }

  .boundary-icon {
    font-size: 21px;
    height: 38px;
    width: 38px;
  }

  .data-flow {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .data-flow > div {
    min-height: 100px;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }
}