@font-face {
  font-family: Inter;
  src: url('/assets/inter.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #171717;
  --muted: #49463f;
  --paper: #f6f0e4;
  --white: #fffdf7;
  --line: var(--ink);
  --accent: #ffdc45;
  --blue: #2449d8;
  --text: #ffdc45;
  --math: #a7c5ff;
  --time: #ffac83;
  --images: #c6b2f7;
  --mint: #b9e8c5;
  --digital: var(--mint);
  --stroke: 2px solid var(--ink);
  --shadow: 5px 5px 0 var(--ink);
  --shadow-small: 3px 3px 0 var(--ink);
  font-family: Inter, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100dvh; display: flex; flex-direction: column; }
body > main, body > .workspace { width: 100%; flex: 1; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
p { line-height: 1.65; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { overflow-wrap: anywhere; }
h1 { font-weight: 850; letter-spacing: -.055em; line-height: 1.05; }
h2 { font-size: 1.3rem; font-weight: 800; letter-spacing: -.035em; }
h3 { font-size: 1.05rem; font-weight: 800; letter-spacing: -.025em; }
::selection { background: var(--accent); color: var(--ink); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
[hidden] { display: none !important; }
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 99;
  border: var(--stroke);
  background: var(--accent);
  padding: 12px;
  font-weight: 750;
}
.skip-link:focus { top: 10px; }

/* Navigation */
.site-header { flex-shrink: 0; background: var(--accent); border-bottom: var(--stroke); }
.header-inner {
  max-width: 1264px;
  margin: auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 48px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -.08em;
}
.brand > span:last-child { margin-left: -7px; }
.brand-symbol {
  width: 38px;
  height: 38px;
  border: var(--stroke);
  background: var(--ink);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -.12em;
  padding-right: 3px;
  margin-right: 3px;
}
.header-nav { display: flex; gap: 26px; font-size: .875rem; font-weight: 750; }
.header-nav a { padding: 8px 0; border-bottom: 2px solid transparent; }
.header-nav a:hover { border-bottom-color: var(--ink); }
.language-switch {
  margin-left: auto;
  display: flex;
  background: var(--white);
  border: var(--stroke);
  box-shadow: var(--shadow-small);
  font: 700 .8rem ui-monospace, monospace;
}
.language-switch a, .language-switch span {
  min-width: 44px;
  min-height: 40px;
  padding: 12px 10px;
  display: grid;
  place-items: center;
}
.language-switch > :first-child { border-right: var(--stroke); }
.language-switch span { background: var(--ink); color: var(--white); }
.language-switch a:hover { background: var(--paper); }

/* The toolbox */
.home { max-width: 1264px; margin: auto; padding: 50px 32px 64px; }
.home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 285px;
  align-items: end;
  gap: 40px;
  margin-bottom: 36px;
}
.eyebrow {
  display: inline-block;
  margin-bottom: 20px;
  padding: 7px 9px;
  border: var(--stroke);
  background: var(--white);
  font: 700 .75rem/1.4 ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: .055em;
}
.home h1 { font-size: clamp(2.8rem, 4.8vw, 4.3rem); max-width: 770px; margin-bottom: 0; }
.home h1 mark {
  display: inline-block;
  max-width: 100%;
  background: var(--accent);
  color: inherit;
  padding: 0 .08em;
}
.home-intro p {
  border-left: 4px solid var(--ink);
  padding-left: 20px;
  margin-bottom: 5px;
  font-size: 1rem;
  line-height: 1.6;
}
.search-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  border: var(--stroke);
  background: var(--white);
  padding: 0 20px;
  box-shadow: var(--shadow);
}
.search-glyph { font-size: 2rem; font-weight: 700; }
.search-bar input {
  flex: 1;
  min-width: 0;
  height: 64px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
}
input::placeholder, textarea::placeholder { color: #656058; opacity: 1; }
.search-bar:focus-within { outline: 3px solid var(--blue); outline-offset: 5px; }
.keycap { border: var(--stroke); background: var(--paper); padding: 4px 10px; font: 700 15px monospace; }
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 30px; }
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: var(--stroke);
  background: var(--white);
  color: var(--ink);
  padding: 10px 16px;
  font-size: .85rem;
  font-weight: 750;
  box-shadow: 2px 2px 0 var(--ink);
  transition: transform .12s, box-shadow .12s, background .12s;
}
.chip.active { background: var(--ink); color: var(--white); }
.chip:hover:not(:disabled) { transform: translate(1px, 1px); box-shadow: 1px 1px 0 var(--ink); }
.chip:not(.active)[data-category-filter='text']:hover { background: var(--text); }
.chip:not(.active)[data-category-filter='math']:hover { background: var(--math); }
.chip:not(.active)[data-category-filter='time']:hover { background: var(--time); }
.chip:not(.active)[data-category-filter='images']:hover { background: var(--images); }
.chip:not(.active)[data-category-filter='digital']:hover { background: var(--digital); }
.chip:active:not(:disabled) { transform: translate(2px, 2px); box-shadow: none; }
.catalog-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
  font: 600 .75rem/1.5 ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.catalog-label strong { font-weight: 750; }
.tool-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.tool-card {
  --category: var(--text);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 268px;
  padding: 22px 22px 0;
  border: var(--stroke);
  background: var(--white);
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
}
.tool-card[data-category='math'] { --category: var(--math); }
.tool-card[data-category='time'] { --category: var(--time); }
.tool-card[data-category='images'] { --category: var(--images); }
.tool-card[data-category='digital'] { --category: var(--digital); }
.tool-card:hover { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--ink); }
.tool-card:active { transform: translate(5px, 5px); box-shadow: none; }
.card-top { display: flex; justify-content: space-between; align-items: start; margin-bottom: 20px; }
.tool-symbol {
  width: 50px;
  height: 50px;
  border: var(--stroke);
  background: var(--text);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-size: 22px;
  line-height: 1;
  font-weight: 850;
  font-feature-settings: 'tnum';
  letter-spacing: -.05em;
  box-shadow: 2px 2px 0 var(--ink);
}
.tool-symbol.math { background: var(--math); }
.tool-symbol.time { background: var(--time); }
.tool-symbol.images { background: var(--images); }
.tool-symbol.digital { background: var(--digital); font-size: 19px; }
.card-index { font: 700 .8rem/1 ui-monospace, monospace; padding-top: 3px; }
.tool-card h2 { font-size: 1.15rem; line-height: 1.3; margin: 0 0 10px; }
.tool-card p { color: var(--muted); font-size: .875rem; line-height: 1.6; margin-bottom: 22px; }
.card-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: auto -22px 0;
  border-top: var(--stroke);
  background: var(--category);
  padding: 12px 22px;
  font: 700 .7rem/1.5 ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.card-category::after { content: '↗'; font: 750 20px/1 Inter, sans-serif; }
.no-results { border: 2px dashed var(--ink); background: var(--white); padding: 40px; text-align: center; }
.home-bottom {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  margin-top: 40px;
  border-top: var(--stroke);
  padding-top: 25px;
  font-size: .875rem;
  color: var(--muted);
}
.home-bottom p { margin: 0; max-width: 540px; }

/* Tool pages */
.workspace {
  max-width: 1264px;
  margin: auto;
  padding: 34px 32px 60px;
  display: grid;
  grid-template-columns: 218px minmax(0, 1fr);
  align-items: start;
  gap: 38px;
}
.sidebar { border: var(--stroke); background: var(--white); padding: 12px; box-shadow: var(--shadow-small); }
.sidebar h2 { font: 700 .68rem/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; margin: 23px 8px 8px; }
.sidebar a { display: block; border: 2px solid transparent; padding: 9px 8px; font-size: .82rem; line-height: 1.4; }
.sidebar > a:first-child { border-bottom: var(--stroke); margin: -2px -2px 14px; padding-bottom: 14px; font-weight: 750; }
.sidebar a:hover { background: var(--paper); }
.sidebar a.current { border: var(--stroke); background: var(--accent); font-weight: 750; box-shadow: 2px 2px 0 var(--ink); }
.tool-content { min-width: 0; }
.tool-content p, .tool-instructions li { overflow-wrap: anywhere; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; color: var(--muted); font: .75rem/1.6 ui-monospace, monospace; }
.breadcrumbs a { text-decoration: underline; text-underline-offset: 4px; }
.tool-heading { display: flex; align-items: center; gap: 20px; margin-bottom: 30px; }
.tool-heading .tool-symbol { flex-shrink: 0; width: 60px; height: 60px; box-shadow: var(--shadow-small); }
.tool-heading > div { min-width: 0; }
.tool-heading h1 { font-size: clamp(1.9rem, 3vw, 2.7rem); margin: 0 0 10px; }
.tool-heading p { margin: 0; max-width: 640px; font-size: .95rem; color: var(--muted); }
.tool-shell { border: var(--stroke); background: var(--white); box-shadow: var(--shadow); }
.tool-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  border-bottom: var(--stroke);
  background: var(--accent);
  padding: 14px 26px;
  font: .7rem/1.6 ui-monospace, monospace;
}
.tool-shell[data-category='math'] .tool-toolbar { background: var(--math); }
.tool-shell[data-category='time'] .tool-toolbar { background: var(--time); }
.tool-shell[data-category='images'] .tool-toolbar { background: var(--images); }
.tool-shell[data-category='digital'] .tool-toolbar { background: var(--digital); }
.tool-toolbar strong { font-weight: 750; text-transform: uppercase; letter-spacing: .035em; }
#tool-panel { padding: 28px; }
.field { display: flex; flex-direction: column; gap: 9px; min-width: 0; margin-bottom: 22px; }
.field > span { font-size: .875rem; font-weight: 750; }
.field input:not([type='range']), .field textarea, .field select {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  border: var(--stroke);
  border-radius: 0;
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
}
.field textarea { resize: vertical; line-height: 1.7; min-height: 150px; }
.generated-result { margin-top: 28px; }
.generated-result textarea { background: var(--paper); font-family: ui-monospace, monospace; overflow-wrap: anywhere; }
.character-options { border: var(--stroke); margin: 0 0 24px; padding: 18px; }
.character-options legend { padding: 0 7px; font-size: .875rem; font-weight: 750; }
.character-options .check { margin: 0 0 12px; }
.character-options .check:last-child { margin-bottom: 0; }
.tool-instructions { margin: 30px 0; border-left: 4px solid var(--ink); padding-left: 22px; }
.tool-instructions ol { padding-left: 22px; margin-bottom: 0; }
.tool-instructions li { padding-left: 4px; margin-bottom: 10px; font-size: .95rem; line-height: 1.65; color: var(--muted); }
.field input[type='range'] { width: 100%; min-height: 34px; accent-color: var(--ink); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: var(--stroke);
  border-radius: 0;
  background: var(--accent);
  color: var(--ink);
  padding: 12px 18px;
  box-shadow: var(--shadow-small);
  font-size: .875rem;
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
  transition: transform .12s, box-shadow .12s, background .12s;
}
.button:hover:not(:disabled) { background: #ffe775; transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--ink); }
.button:active:not(:disabled) { transform: translate(3px, 3px); box-shadow: none; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.button-row .button:not(:first-child), .button.secondary { background: var(--white); }
.button-row .button:not(:first-child):hover:not(:disabled), .button.secondary:hover:not(:disabled) { background: var(--paper); }
.button:disabled, .chip:disabled { background: #e8e4db; color: #645f57; box-shadow: none; }
.helper { color: var(--muted); font-size: .82rem; line-height: 1.6; }
.check { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; font-size: .875rem; line-height: 1.5; }
.check input { flex-shrink: 0; width: 18px; height: 18px; accent-color: var(--ink); }
.result-card { border: var(--stroke); background: var(--mint); padding: 22px; margin-bottom: 26px; box-shadow: var(--shadow-small); }
.result-card > span { display: block; margin-bottom: 10px; font: 700 .75rem/1.5 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .04em; }
.result-card output { display: block; font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 850; letter-spacing: -.04em; overflow-wrap: anywhere; }
.result-card p { margin: 12px 0 0; font-size: .85rem; }
.status { min-height: 1.4rem; margin: 16px 0 0; font-size: .875rem; line-height: 1.6; overflow-wrap: anywhere; }
.status.error { color: #9d2023; font-weight: 650; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat { border: var(--stroke); background: var(--paper); padding: 17px; }
.stat:first-child { background: var(--accent); }
.stat output { display: block; margin-bottom: 6px; font-size: 1.9rem; font-weight: 850; letter-spacing: -.035em; overflow-wrap: anywhere; }
.stat span { font: 600 .7rem/1.5 ui-monospace, monospace; overflow-wrap: anywhere; }
.proportion-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 16px; align-items: center; }
.relation { font-size: .75rem; color: var(--muted); text-align: center; overflow-wrap: anywhere; }
.unknown { border: 2px dashed var(--ink); background: var(--paper); padding: 15px; margin-bottom: 22px; font-size: 1.6rem; font-weight: 800; text-align: center; }
.dropzone { display: flex; flex-direction: column; align-items: center; gap: 8px; border: 2px dashed var(--ink); background: var(--paper); padding: 25px; margin-bottom: 22px; cursor: pointer; text-align: center; }
.dropzone:hover, .dropzone:focus-within { background: #efe4fa; }
.dropzone span:last-of-type { font-size: .8rem; color: var(--muted); }
.upload-symbol { font-size: 2rem; font-weight: 800; }
.dropzone input { width: 100%; max-width: 300px; font-size: .8rem; margin-top: 10px; }
.dropzone input::file-selector-button { border: var(--stroke); border-radius: 0; padding: 8px; background: var(--white); color: var(--ink); font: inherit; font-weight: 700; cursor: pointer; margin-right: 8px; }
.image-result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 25px; align-items: center; border-top: var(--stroke); padding-top: 25px; margin-top: 25px; }
.image-result img { display: block; max-width: 100%; max-height: 280px; object-fit: contain; border: var(--stroke); }
.image-result p { font-size: .85rem; overflow-wrap: anywhere; }
.qr-result { border-top: var(--stroke); padding-top: 25px; margin-top: 25px; text-align: center; }
.qr-result canvas { width: 256px; max-width: 100%; height: auto; image-rendering: pixelated; }
.diff-result { white-space: pre-wrap; overflow-wrap: anywhere; border: var(--stroke); background: #fff; padding: 20px; line-height: 1.8; min-height: 80px; max-height: 500px; overflow: auto; }
.diff-legend { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 10px; font-size: .8rem; }
.diff-result ins, .diff-legend .added { background: #b9e8c5; color: #173c23; }
.diff-result del, .diff-legend .removed { background: #ffbeb4; color: #672321; }
.diff-legend span { border: var(--stroke); padding: 4px 8px; }
.pomodoro { text-align: center; padding-bottom: 25px; }
.mode-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.timer { display: block; font-variant-numeric: tabular-nums; font-size: clamp(3.5rem, 10vw, 6rem); font-weight: 850; letter-spacing: -.055em; margin: 26px 0 16px; }
.pomodoro .button-row { justify-content: center; }
.pomodoro .helper { margin-top: 22px; }

/* Guides and information */
.tool-help { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 30px; margin: 40px 0; }
.tool-help section { min-width: 0; }
.tool-help p { font-size: .9rem; color: var(--muted); }
.example { border: var(--stroke); border-left-width: 6px; background: var(--white); padding: 20px; }
.example strong { display: block; font: 750 .75rem/1.5 ui-monospace, monospace; text-transform: uppercase; margin-bottom: 10px; }
.example p { margin: 0; }
details { border-bottom: var(--stroke); padding: 16px 0; }
summary { cursor: pointer; font-size: .9rem; font-weight: 750; line-height: 1.55; }
details p { margin: 12px 0 0; }
.related { border-top: var(--stroke); padding-top: 26px; }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { border: var(--stroke); background: var(--white); padding: 12px 15px; font-size: .85rem; font-weight: 650; box-shadow: 2px 2px 0 var(--ink); }
.related-links a:hover { background: var(--accent); }
.site-footer { flex-shrink: 0; margin-top: auto; border-top: var(--stroke); background: var(--ink); color: var(--white); }
.footer-inner { max-width: 1264px; margin: auto; padding: 30px 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand { color: var(--accent); font-weight: 900; font-size: 1.5rem; letter-spacing: -.06em; }
.footer-inner small { font-size: .75rem; margin-left: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; font-size: .8rem; }
.footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.site-footer :focus-visible { outline-color: var(--accent); }
.document { max-width: 850px; margin: auto; padding: 50px 32px 70px; }
.document h1 { font-size: 3.2rem; border-bottom: var(--stroke); padding-bottom: 25px; margin-bottom: 30px; }
.document h2 { margin-top: 35px; }
.document p, .document li { color: var(--muted); font-size: 1rem; line-height: 1.85; }
.document a { text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.document li { margin-bottom: 12px; }
.document ul { padding-left: 22px; }
.document .button { color: var(--ink); text-decoration: none; }
.contact-card { border: var(--stroke); background: var(--accent); padding: 28px; margin: 30px 0; box-shadow: var(--shadow); }
.contact-card p { color: var(--ink); margin: 12px 0 0; }
.ad-area { border-top: var(--stroke); padding-top: 20px; margin: 30px 0; min-height: 120px; }
.ad-area > span { display: block; margin-bottom: 12px; color: var(--muted); font: .75rem/1.5 ui-monospace, monospace; }
.consent { position: fixed; bottom: 20px; left: 16px; right: 20px; max-width: 650px; z-index: 10; display: flex; flex-wrap: wrap; gap: 12px; border: var(--stroke); background: var(--white); padding: 22px; box-shadow: var(--shadow); }
.consent p { width: 100%; font-size: .875rem; margin: 0 0 10px; }

/* Adapt the same system to narrow screens. */
@media (max-width: 1050px) {
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace { grid-template-columns: 180px minmax(0, 1fr); gap: 26px; }
  .sidebar { padding: 9px; }
  .sidebar a { font-size: .78rem; }
  .header-nav { gap: 18px; }
  .home-intro { grid-template-columns: minmax(0, 1fr) 230px; gap: 28px; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tool-help { grid-template-columns: 1fr; }
  .tool-toolbar { flex-wrap: wrap; }
}

@media (max-width: 760px) {
  :root { --shadow: 3px 3px 0 var(--ink); --shadow-small: 2px 2px 0 var(--ink); }
  .header-inner { padding: 16px 20px; gap: 20px; }
  .header-nav { display: none; }
  .brand { font-size: 1.8rem; }
  .brand-symbol { width: 34px; height: 34px; font-size: 28px; }
  .home { padding: 32px 20px 40px; }
  .home-intro { display: block; margin-bottom: 28px; }
  .home-intro p { max-width: 480px; margin: 22px 0 0; padding-left: 16px; font-size: .9rem; }
  .eyebrow { font-size: .68rem; padding: 6px 8px; margin-bottom: 18px; }
  .home h1 { max-width: 560px; font-size: 2.8rem; }
  .search-bar { padding: 0 15px; gap: 12px; }
  .search-bar input { height: 58px; font-size: .95rem; }
  .keycap { display: none; }
  .filter-row { gap: 8px; margin-bottom: 26px; }
  .chip { font-size: .8rem; padding: 10px 12px; }
  .catalog-label { font-size: .68rem; align-items: start; }
  .tool-grid { gap: 16px; }
  .tool-card { min-height: 254px; padding: 18px 18px 0; }
  .tool-card h2 { font-size: 1.05rem; }
  .tool-card p { font-size: .85rem; }
  .card-category { margin-left: -18px; margin-right: -18px; padding: 10px 18px; }
  .card-top { margin-bottom: 18px; }
  .tool-symbol { width: 44px; height: 44px; }
  .tool-card:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--ink); }
  .tool-card:active { transform: translate(3px, 3px); box-shadow: none; }
  .home-bottom { display: block; }
  .home-bottom p + p { margin-top: 15px; }
  .workspace { display: block; padding: 24px 20px 40px; }
  .sidebar { display: none; }
  .breadcrumbs { margin-bottom: 22px; }
  .tool-heading { gap: 16px; align-items: start; }
  .tool-heading h1 { font-size: 2rem; }
  .tool-heading p { font-size: .9rem; }
  .tool-heading .tool-symbol { width: 48px; height: 48px; }
  #tool-panel { padding: 22px; }
  .tool-toolbar { padding: 12px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .proportion-grid { grid-template-columns: minmax(0, 1fr) 55px minmax(0, 1fr); gap: 8px; }
  .relation { font-size: .68rem; }
  .field input:not([type='range']), .field select { padding: 12px 10px; }
  .button-row { gap: 10px; }
  .button { padding: 12px 14px; }
  .image-result { grid-template-columns: 1fr; }
  .image-result img { margin: auto; }
  .footer-inner { padding: 25px 20px; }
  .footer-inner small { display: block; margin: 8px 0 0; }
  .footer-links { gap: 14px; }
  .document { padding: 35px 20px 50px; }
  .document h1 { font-size: 2.5rem; }
  .consent { bottom: 13px; left: 10px; right: 13px; }
  .stats-grid .stat { padding: 13px; }
  .stat output { font-size: 1.7rem; }
}

@media (max-width: 440px) {
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card { min-height: 220px; }
  .card-top { margin-bottom: 16px; }
  .tool-card p { font-size: .875rem; }
  .home h1 { font-size: 2.65rem; }
  .tool-heading { display: block; }
  .tool-heading .tool-symbol { margin-bottom: 18px; }
  .tool-toolbar { font-size: .68rem; gap: 5px; }
  .proportion-grid { grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr); }
  #tool-panel { padding: 18px; }
  .button-row .button { flex: 1; }
  .stats-grid { gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}