/* tokens.css */
/* WS1 — design tokens
   Direction: "ink on label stock". Cool press-sheet greys, true bar-black,
   one signal colour borrowed from a scanner's laser line. */

:root {
  color-scheme: light dark;

  /* palette */
  --ink: #14161a;
  --ink-soft: #4c535c;
  --ink-faint: #626a75;
  --stock: #e9ecf1;
  --panel: #ffffff;
  --line: #d3d9e0;
  --line-strong: #b6bec8;
  --laser: #e1251b;
  --verified: #0f6f60;

  /* type */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, "Courier New", monospace;

  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.86rem);
  --step-0:  clamp(0.95rem, 0.92rem + 0.15vw, 1.05rem);
  --step-1:  clamp(1.15rem, 1.08rem + 0.35vw, 1.4rem);
  --step-2:  clamp(1.45rem, 1.3rem + 0.75vw, 2rem);
  --step-3:  clamp(1.9rem, 1.55rem + 1.7vw, 3.2rem);

  /* spacing */
  --sp-1: 0.35rem;
  --sp-2: 0.7rem;
  --sp-3: 1.1rem;
  --sp-4: 1.7rem;
  --sp-5: 2.6rem;
  --sp-6: 4rem;

  --radius: 10px;
  --radius-sm: 6px;
  --shell: 1180px;
  --border: 1px solid var(--line);
  --shadow: 0 1px 2px rgb(20 22 26 / 0.06), 0 12px 28px -18px rgb(20 22 26 / 0.35);
  --focus: 3px solid var(--laser);
  --speed: 180ms;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f1f3f6;
    --ink-soft: #b4bcc6;
    --ink-faint: #838d99;
    --stock: #0d0f12;
    --panel: #171a1f;
    --line: #2b3038;
    --line-strong: #3d444e;
    --laser: #ff5348;
    --verified: #3fbfa8;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.5), 0 14px 30px -20px rgb(0 0 0 / 0.9);
  }
}

/* Manual override wins over the OS preference. */
:root[data-theme="light"] {
  color-scheme: light;
  --ink: #14161a; --ink-soft: #4c535c; --ink-faint: #626a75;
  --stock: #e9ecf1; --panel: #ffffff; --line: #d3d9e0; --line-strong: #b6bec8;
  --laser: #e1251b; --verified: #0f6f60;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f1f3f6; --ink-soft: #b4bcc6; --ink-faint: #838d99;
  --stock: #0d0f12; --panel: #171a1f; --line: #2b3038; --line-strong: #3d444e;
  --laser: #ff5348; --verified: #3fbfa8;
}
/* main.css */
/* WS1 — layout, components, states */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--stock);
  color: var(--ink);
  font: var(--step-0)/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 var(--sp-2); font-weight: 650; scroll-margin-top: 6rem; }
h1 { font-size: var(--step-3); }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); letter-spacing: -0.01em; }
p { margin: 0 0 var(--sp-3); max-width: 68ch; }
a { color: inherit; text-underline-offset: 3px; text-decoration-color: var(--line-strong); }
a:hover { text-decoration-color: var(--laser); }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.shell { width: min(100% - 2rem, var(--shell)); margin-inline: auto; }

.eyebrow {
  font: 600 var(--step--1)/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 var(--sp-2);
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--stock);
  padding: var(--sp-2) var(--sp-3); border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

/* ---------------------------------------------------------------- header */

.site-header {
  border-bottom: var(--border);
  background: var(--panel);
  position: sticky; top: 0; z-index: 20;
}
.site-header .shell {
  display: flex; align-items: center; gap: var(--sp-3);
  min-height: 3.75rem; justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 650; letter-spacing: -0.02em; }
.brand svg { display: block; }
.brand span { white-space: nowrap; }
.header-nav { display: flex; align-items: center; gap: var(--sp-3); }
.header-nav a { font-size: var(--step--1); text-decoration: none; color: var(--ink-soft); }
.header-nav a:hover { color: var(--ink); }

.theme-toggle {
  border: var(--border); background: transparent; color: var(--ink-soft);
  border-radius: 999px; padding: 0.4rem 0.8rem; cursor: pointer;
  font: 600 var(--step--1)/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--line-strong); }

/* ------------------------------------------------------------------ tool */

.tool { padding: var(--sp-5) 0 var(--sp-6); }
.tool:not(:has(.workbench)) { padding-bottom: 0; }
.tool-intro { max-width: 60ch; margin-bottom: var(--sp-4); }
.tool-intro--wide { max-width: none; }
.tool-intro--wide > p:last-child { max-width: 90ch; }
.tool-intro p { color: var(--ink-soft); font-size: var(--step-1); }

.workbench {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: 1fr;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.panel > .panel-head {
  padding: var(--sp-3) var(--sp-3) 0;
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--sp-2);
}
.panel-body { padding: var(--sp-3); }

/* form */

.field { margin-bottom: var(--sp-3); }
.field > label, .fieldset-legend {
  display: block; margin-bottom: var(--sp-1);
  font: 600 var(--step--1)/1.3 var(--font-mono);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft);
}
.hint { color: var(--ink-faint); font-size: var(--step--1); margin: var(--sp-1) 0 0; }

input[type="text"], input[type="number"], input[type="password"], input[type="email"],
input[type="tel"], input[type="url"], input[type="search"], select {
  width: 100%;
  font: var(--step-0)/1.4 var(--font-mono);
  color: var(--ink);
  background: var(--stock);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.8rem;
  min-height: 2.9rem;
}
select { appearance: none; background-image: none; cursor: pointer; }
input[type="text"]:hover, input[type="number"]:hover, input[type="password"]:hover,
input[type="email"]:hover, input[type="tel"]:hover, input[type="url"]:hover,
input[type="search"]:hover, select:hover { border-color: var(--ink-faint); }
input[type="text"][aria-invalid="true"], input[type="number"][aria-invalid="true"],
input[type="password"][aria-invalid="true"], input[type="email"][aria-invalid="true"],
input[type="tel"][aria-invalid="true"], input[type="url"][aria-invalid="true"],
input[type="search"][aria-invalid="true"] { border-color: var(--laser); }

.input-row { display: flex; gap: var(--sp-2); align-items: stretch; }
.input-row input { flex: 1 1 auto; }

.status {
  margin-top: var(--sp-2);
  font: var(--step--1)/1.45 var(--font-mono);
  min-height: 1.45em;
  display: flex; gap: 0.45rem; align-items: baseline;
}
.status[data-state="error"] { color: var(--laser); }
.status[data-state="ok"] { color: var(--verified); }
.status[data-state="idle"] { color: var(--ink-faint); }

fieldset { border: 0; margin: 0 0 var(--sp-3); padding: 0; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: var(--sp-2) var(--sp-3); }

.slider label { display: flex; justify-content: space-between; gap: var(--sp-2); }
.slider output { font: 600 var(--step--1)/1 var(--font-mono); color: var(--ink); }
input[type="range"] { width: 100%; accent-color: var(--laser); min-height: 1.75rem; }

.check { display: flex; align-items: center; gap: 0.55rem; padding: 0.35rem 0; }
.check input { width: 1.15rem; height: 1.15rem; accent-color: var(--laser); }
.check label { font-size: var(--step-0); color: var(--ink); text-transform: none; letter-spacing: 0; font-family: var(--font-sans); }

.swatches { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.swatch { display: flex; align-items: center; gap: 0.5rem; }
.swatch input[type="color"] {
  width: 2.6rem; height: 2.2rem; padding: 0; border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); background: none; cursor: pointer;
}
.swatch span { font: var(--step--1)/1 var(--font-mono); color: var(--ink-soft); }

/* buttons */

.btn {
  font: 600 var(--step-0)/1 var(--font-sans);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: var(--panel);
  color: var(--ink);
  padding: 0.8rem 1rem;
  min-height: 2.9rem;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  transition: background var(--speed), border-color var(--speed), color var(--speed);
}
.btn:hover:not(:disabled) { border-color: var(--ink-faint); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.btn-primary:hover:not(:disabled) { background: var(--laser); border-color: var(--laser); color: #fff; }
.btn-ghost { background: transparent; }
.btn-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: var(--sp-2); margin-top: var(--sp-3); }
a.btn { text-decoration: none; }
.share-code { margin-top: var(--sp-4); padding-top: var(--sp-3); border-top: 1px solid var(--line); }
.share-code h3 { margin: 0; font-size: var(--step-1); }
.share-code .hint { max-width: 68ch; }
.format-more { border: 0; padding: 0; min-width: 0; }
.format-more > summary { list-style: none; }
.format-more > summary::-webkit-details-marker { display: none; }
.format-more > summary.btn { font-size: var(--step-0); letter-spacing: normal; }
.format-more[open] { grid-column: 1 / -1; }
.format-more-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr)); gap: var(--sp-2); margin-top: var(--sp-2); }
.format-more-actions .btn { width: 100%; }

/* ------------------------------------------------------------- preview */

.preview-stage {
  position: relative;
  display: grid; place-items: center;
  padding: var(--sp-4) var(--sp-3);
  background:
    linear-gradient(45deg, var(--stock) 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(-45deg, var(--stock) 25%, transparent 25%) -8px 0/16px 16px,
    linear-gradient(45deg, transparent 75%, var(--stock) 75%) 0 0/16px 16px,
    linear-gradient(-45deg, transparent 75%, var(--stock) 75%) 0 0/16px 16px,
    var(--panel);
  border: var(--border);
  border-radius: var(--radius-sm);
  min-height: 12rem;
  overflow: auto;
}
.preview-stage svg { max-width: 100%; height: auto; }
.preview-stage[data-empty="true"] { color: var(--ink-faint); font: var(--step--1)/1.5 var(--font-mono); text-align: center; }

/* Signature: a single laser sweep across the symbol when it re-renders. */
.preview-stage::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 2px;
  background: var(--laser); box-shadow: 0 0 12px 2px var(--laser);
  opacity: 0; pointer-events: none;
}
.preview-stage[data-scan="true"]::after { animation: sweep 620ms cubic-bezier(.4, 0, .2, 1) 1; }
@keyframes sweep {
  0%   { opacity: 0;   left: 0; }
  12%  { opacity: 0.9; }
  88%  { opacity: 0.9; }
  100% { opacity: 0;   left: calc(100% - 2px); }
}
@media (prefers-reduced-motion: reduce) {
  .preview-stage[data-scan="true"]::after { animation: none; }
  .btn, .theme-toggle { transition: none; }
}

/* the module ruler under the preview: real spec data, not decoration */
.readout {
  display: flex; flex-wrap: wrap; gap: var(--sp-1) var(--sp-3);
  margin-top: var(--sp-3); padding-top: var(--sp-2);
  border-top: 1px dashed var(--line);
  font: var(--step--1)/1.5 var(--font-mono);
  color: var(--ink-faint);
}
.readout b { color: var(--ink-soft); font-weight: 600; }
.readout .warn { color: var(--laser); }

/* ------------------------------------------------------------- content */

.content { padding-bottom: var(--sp-6); }
.content section { padding-top: var(--sp-5); }
.content section > p, .content section > ul, .content section > ol { color: var(--ink-soft); }
.content ul, .content ol { max-width: 68ch; padding-left: 1.15rem; }
.content li { margin-bottom: var(--sp-1); }

.cards { display: grid; gap: var(--sp-3); grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.card { background: var(--panel); border: var(--border); border-radius: var(--radius); padding: var(--sp-3); }
.card h3 { margin-bottom: var(--sp-1); }
.card p { font-size: var(--step--1); color: var(--ink-soft); margin-bottom: var(--sp-2); }
.card dl { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem var(--sp-2); margin: 0; font: var(--step--1)/1.5 var(--font-mono); }
.card dt { color: var(--ink-faint); }
.card dd { margin: 0; color: var(--ink-soft); }

.table-wrap { overflow-x: auto; border: var(--border); border-radius: var(--radius); background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: var(--step--1); }
th, td { text-align: left; padding: 0.7rem var(--sp-3); border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font: 600 var(--step--1)/1.3 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); }
tbody tr:last-child td { border-bottom: 0; }

details {
  border-bottom: 1px solid var(--line);
  padding: var(--sp-3) 0;
}
details summary { cursor: pointer; font-weight: 600; font-size: var(--step-1); letter-spacing: -0.01em; }
details summary::marker { color: var(--laser); }
details p { margin: var(--sp-2) 0 0; color: var(--ink-soft); }

.site-footer {
  border-top: var(--border);
  background: var(--panel);
  padding: var(--sp-4) 0;
  font-size: var(--step--1);
  color: var(--ink-faint);
}
.site-footer .shell { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); justify-content: space-between; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

@media print {
  .site-header, .site-footer, .content, .controls, .btn-row, .readout, .skip-link { display: none !important; }
  body { background: #fff; }
  .panel { border: 0; box-shadow: none; }
  .preview-stage { background: #fff; border: 0; }
}

/* ---------------------------------------------- multi-page additions (WS1) */

.crumbs {
  font: var(--step--1)/1.4 var(--font-mono);
  color: var(--ink-faint);
  margin-bottom: var(--sp-3);
  display: flex; gap: 0.5rem; flex-wrap: wrap;
}
.crumbs a { color: var(--ink-soft); }
.crumbs [aria-current] { color: var(--ink-faint); }

.link-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--sp-2); max-width: none; }
.link-list a {
  display: block;
  padding: var(--sp-3);
  background: var(--panel);
  border: var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--speed);
}
.link-list a:hover { border-color: var(--laser); }
.link-list strong { display: block; margin-bottom: 0.2rem; }
.link-list span { color: var(--ink-soft); font-size: var(--step--1); }

.workbench-single { grid-template-columns: 1fr; }
@media (min-width: 1024px) {
  .workbench-single { grid-template-columns: minmax(20rem, 27rem) minmax(0, 1fr); }
}

.calc-result {
  font: 600 var(--step-2)/1.2 var(--font-mono);
  letter-spacing: 0.06em;
  word-break: break-all;
  margin: 0 0 var(--sp-3);
  min-height: 1.2em;
}
#calc-work table caption {
  text-align: left; padding: 0.7rem var(--sp-3);
  font: 600 var(--step--1)/1.3 var(--font-mono);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint);
}
#calc-work tfoot td { font-weight: 600; border-top: 1px solid var(--line-strong); }

.content section > ol { color: var(--ink-soft); max-width: 68ch; padding-left: 1.15rem; }
.content section > p,
.content section > ul,
.content section > ol { margin-inline: auto; }
.content code {
  font: var(--step--1) var(--font-mono);
  background: var(--stock); border: 1px solid var(--line);
  border-radius: 4px; padding: 0.1em 0.35em;
}
.stripe-buy-button { margin-top: var(--sp-3); min-height: 48px; }
stripe-buy-button { display: block; max-width: 100%; }
.top-support { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 28rem); align-items: center; justify-content: space-between; gap: var(--sp-4); margin: var(--sp-5) 0 var(--sp-4); padding: var(--sp-4); border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--panel); }
.top-support h2 { max-width: none; }
.top-support p { max-width: 70ch; margin-bottom: 0; }
.top-support .stripe-buy-button { margin-top: 0; flex: 0 0 auto; }

/* ------------------------------------------- bulk, chips, print options */
.btn-row-top { margin-top: 0; margin-bottom: var(--sp-3); }
.chip { font: 600 var(--step--1)/1 var(--font-mono); background: var(--stock); border: 1px dashed var(--line-strong); color: var(--ink-soft); border-radius: 999px; padding: 0.35rem 0.7rem; cursor: pointer; }
.chip:hover { border-color: var(--laser); color: var(--ink); border-style: solid; }
textarea { width: 100%; font: var(--step--1)/1.6 var(--font-mono); color: var(--ink); background: var(--stock); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 0.7rem 0.8rem; resize: vertical; }
textarea:hover { border-color: var(--ink-faint); }
.bulk-grid { display: grid; gap: var(--sp-3); grid-template-columns: 1fr; }
.bulk-item { margin: 0; padding: var(--sp-2); border: var(--border); border-radius: var(--radius-sm); background: var(--panel); display: flex; flex-direction: column; align-items: center; gap: var(--sp-2); overflow: hidden; }
.bulk-item svg { max-width: 100%; height: auto; }
.bulk-item figcaption { font: var(--step--1)/1.3 var(--font-mono); color: var(--ink-soft); word-break: break-all; text-align: center; }
.bulk-item .btn { padding: 0.4rem 0.7rem; min-height: 2.2rem; font-size: var(--step--1); }
.bulk-item .format-more { width: 100%; }
.bulk-item .format-more > summary.btn { min-height: 2.2rem; font-size: var(--step--1); }
.bulk-errors { grid-column: 1 / -1; border: 1px solid var(--laser); border-radius: var(--radius-sm); padding: var(--sp-3); background: var(--panel); }
.bulk-errors h3 { color: var(--laser); font-size: var(--step-0); }
.bulk-errors ul { margin: 0; padding-left: 1.1rem; font-size: var(--step--1); color: var(--ink-soft); }
.bulk-errors code { word-break: break-all; }
.grid-2 > div > label { display: block; margin-bottom: var(--sp-1); font: 600 var(--step--1)/1.3 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }

.footer-nav {display:flex;flex-wrap:wrap;gap:0.6rem 1.1rem;width:100%;font-size:0.9rem;line-height:1.6;}
.footer-nav a {display:inline-block;padding-block:2px;}
.review-date {font-size:0.9rem;color:var(--ink-soft);margin-block:2rem;}

.share-page { display:flex; flex-wrap:wrap; align-items:center; gap:var(--sp-2) var(--sp-3); margin-top:var(--sp-3); }
.share-page-label { font-size:var(--step--1); color:var(--ink-soft); font-weight:600; }
.share-page-actions { display:flex; flex-wrap:wrap; gap:var(--sp-2); }
.share-pill { font:600 var(--step--1)/1 var(--font-sans); display:inline-flex; align-items:center; min-height:44px; padding:0 0.9rem; border-radius:999px; border:1px solid var(--line-strong); background:var(--panel); color:var(--ink); text-decoration:none; cursor:pointer; transition:border-color var(--speed); }
.share-pill:hover { border-color:var(--ink-faint); }
.share-pill[hidden] { display:none; }
.share-page-status { font-size:var(--step--1); color:var(--verified); min-height:1em; }
/* responsive.css */
/* WS1 — responsive layer. Mobile first; loaded after main.css.
   Contract: ≤479 phone · 480–767 large phone · 768–1023 tablet ·
   1024–1439 laptop · 1440–2299 desktop · ≥2300 TV / 4K. */

/* --- phone (base) ------------------------------------------------------- */
/* Base styles in main.css are the phone layout. Touch targets stay ≥44px. */

@media (max-width: 479px) {
  .shell { width: min(100% - 1.5rem, var(--shell)); }
  .top-support { grid-template-columns: 1fr; }
  .header-nav a.nav-link { display: none; }          /* keep only theme + jump link */
  .btn-row { grid-template-columns: 1fr 1fr; }
  .panel-body { padding: var(--sp-2); }
  .preview-stage { padding: var(--sp-3) var(--sp-2); min-height: 9.5rem; }
  th, td { padding: 0.6rem var(--sp-2); }
}

/* --- large phone / small tablet ----------------------------------------- */
@media (min-width: 480px) {
  .btn-row { grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr)); }
}

/* --- tablet ------------------------------------------------------------- */
@media (min-width: 768px) {
  .tool { padding: var(--sp-6) 0; }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .site-header .shell { min-height: 4.25rem; }
}

/* --- laptop: two-column workbench, sticky preview ------------------------ */
@media (min-width: 1024px) {
  .workbench {
    grid-template-columns: minmax(20rem, 27rem) minmax(0, 1fr);
    gap: var(--sp-4);
  }
  .preview-panel { position: sticky; top: 5.5rem; }
  .preview-stage { min-height: 16rem; }
}

/* --- desktop ------------------------------------------------------------ */
@media (min-width: 1440px) {
  :root { --shell: 1320px; }
  .tool-intro:not(.tool-intro--wide) { max-width: 70ch; }
  .tool-intro:not(.tool-intro--wide) p { max-width: none; }
  .workbench { grid-template-columns: 30rem minmax(0, 1fr); gap: var(--sp-5); }
  .preview-stage { min-height: 20rem; }
}

/* --- large desktop / small TV ------------------------------------------- */
@media (min-width: 1920px) {
  :root { --shell: 1560px; font-size: 17.5px; }
  .preview-stage { min-height: 24rem; }
}

/* --- 4K TV and very large displays -------------------------------------- */
@media (min-width: 2300px) {
  :root {
    --shell: 1900px;
    font-size: 21px;
    --radius: 14px;
    --radius-sm: 9px;
  }
  .btn { min-height: 3.4rem; }
  input[type="text"], input[type="number"], select { min-height: 3.4rem; }
  .preview-stage { min-height: 32rem; }
  .cards { grid-template-columns: repeat(auto-fit, minmax(22rem, 1fr)); }
}

@media (min-width: 3200px) {
  :root { --shell: 2400px; font-size: 26px; }
  .preview-stage { min-height: 40rem; }
}

/* --- TV / remote-control input: no hover, bigger focus ring -------------- */
@media (hover: none) and (pointer: coarse) {
  .btn, input[type="text"], input[type="number"], select { min-height: 3rem; }
  :where(a, button, input, select, summary):focus-visible { outline-width: 4px; }
}

/* --- short landscape phones --------------------------------------------- */
@media (max-height: 520px) and (orientation: landscape) {
  .site-header { position: static; }
  .preview-panel { position: static; }
  .tool { padding: var(--sp-3) 0; }
}

/* --- forced colors (Windows high contrast) ------------------------------ */
@media (forced-colors: active) {
  .panel, .preview-stage, .card, .table-wrap { border: 1px solid CanvasText; }
  .btn { border: 1px solid ButtonText; }
  .preview-stage::after { display: none; }
}

/* --- multi-page additions --- */
@media (min-width: 768px) {
  .link-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 2300px) {
  .link-list { grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr)); }
}

@media (min-width: 640px) { .bulk-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1440px) { .bulk-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 2300px) { .bulk-grid { grid-template-columns: repeat(4, 1fr); } }
/* mobile-menu.css */
/* A disclosure menu for narrow phones. Existing desktop navigation is retained. */
.mobile-menu-toggle,
.mobile-menu { display: none; }

.language-switcher { position: relative; display: inline-flex; align-items: center; }
.language-switcher summary {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 40px; min-width: 44px; padding: 0 0.65rem;
  border: var(--border); border-radius: var(--radius-sm);
  color: var(--ink); background: var(--panel); cursor: pointer;
  list-style: none; font: 600 var(--step--1)/1 var(--font-sans);
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher-list {
  position: absolute; top: calc(100% + 0.35rem); right: 0; z-index: 30;
  display: grid; min-width: 12rem; padding: 0.4rem;
  border: var(--border); border-radius: var(--radius); background: var(--panel);
  color: var(--ink); box-shadow: var(--shadow);
}
.language-switcher-list a {
  display: flex; align-items: center; min-height: 40px; padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm); color: var(--ink); text-decoration: none;
}
.language-switcher-list a:hover,
.language-switcher-list a[aria-current="true"] { background: var(--stock); }
.language-switcher--mobile { display: none; }

@media (max-width: 479px) {
  .site-header .shell { gap: 0.5rem; }
  .site-header .brand { min-height: 48px; gap: 0.4rem; }
  .site-header .brand span { font-size: 0.9rem; }
  .site-header .header-nav { margin-left: auto; }
  .language-switcher--desktop { display: none; }
  .site-header .theme-toggle { min-height: 48px; min-width: 48px; padding-inline: 0.6rem; }
  .mobile-menu-toggle:not([hidden]) {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; min-width: 48px; min-height: 48px;
    padding: 0; border: var(--border); border-radius: var(--radius-sm);
    background: var(--panel); color: var(--ink); cursor: pointer;
  }
  .mobile-menu:not([hidden]) {
    display: block; position: absolute; top: 100%; left: 0; right: 0;
    max-height: calc(100vh - 4.25rem); max-height: calc(100dvh - 4.25rem);
    overflow-y: auto; overscroll-behavior: contain;
    padding: 0.75rem; border-bottom: var(--border);
    background: var(--panel); color: var(--ink); box-shadow: var(--shadow);
  }
  .mobile-menu-heading { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
  .mobile-menu-heading strong { font-size: var(--step--1); }
  .mobile-menu-close {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    min-height: 48px; min-width: 72px; padding: 0.5rem 0.75rem;
    border: var(--border); border-radius: var(--radius-sm); background: var(--panel);
    color: var(--ink); font: inherit; cursor: pointer;
  }
  .mobile-menu ul { list-style: none; padding: 0; margin: 0.5rem 0 0; }
  .mobile-menu li { margin: 0; }
  .mobile-menu a {
    display: flex; align-items: center; min-height: 48px; padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm); color: var(--ink); text-decoration: none;
    overflow-wrap: anywhere;
  }
  .mobile-menu a:hover, .mobile-menu a[aria-current="page"] { background: var(--stock); }
  .language-switcher--mobile { display: block; margin: 0.75rem 0.35rem 0; }
  .language-switcher--mobile summary { width: 100%; justify-content: flex-start; min-height: 48px; }
  .language-switcher--mobile .language-switcher-list {
    position: static; min-width: 0; margin-top: 0.35rem; box-shadow: none;
  }
  .language-switcher--mobile .language-switcher-list a { min-height: 48px; }
}

@media print { .mobile-menu, .mobile-menu-toggle { display: none !important; } }
/* support.css */
.support-note { max-width: 42rem; margin: var(--sp-4) 0 0; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: transparent; }
.support-note h2 { font-size: 1.125rem; margin: 0 0 .5rem; }
.support-note p { font-size: .9375rem; margin: 0 0 .5rem; }
.support-note > a { font-size: .9375rem; display: inline-flex; align-items: center; min-height: 48px; }
/* hero-scan.css */
.home-hero{display:grid;grid-template-areas:"scan" "copy";gap:var(--sp-3);align-items:center;margin-bottom:var(--sp-4)}.home-hero-copy{grid-area:copy}.home-hero-copy .tool-intro{max-width:68ch;margin:0}.hero-scan{grid-area:scan;display:block;width:min(280px,100%);height:auto;aspect-ratio:7/5;justify-self:center;overflow:visible}.hero-scan__paper{fill:var(--panel);stroke:var(--line);stroke-width:1.5}.hero-scan__mask{mask-type:alpha}.hero-scan__shine{opacity:1;animation:hero-shine 2s ease-in-out infinite}.hero-scan__brackets{stroke:var(--ink-faint);animation:hero-confirm 2s linear infinite}.hero-scan__laser{transform-box:view-box;animation:hero-sweep 2s ease-in-out infinite}.hero-scan__glow{stroke:var(--laser);stroke-width:9;stroke-linecap:round;opacity:.25;filter:drop-shadow(0 0 5px var(--laser))}.hero-scan__beam{stroke:var(--laser);stroke-width:2;stroke-linecap:round}.hero-scan__badge{opacity:0;transform-box:fill-box;transform-origin:center;animation:hero-badge 2s linear infinite}.hero-scan__badge rect{fill:var(--verified)}.hero-scan__badge text{fill:#fff;font:700 11px/1 system-ui,sans-serif}@keyframes hero-sweep{0%{transform:translateY(29px)}85%,100%{transform:translateY(170px)}}@keyframes hero-shine{0%{transform:translateY(0)}85%,100%{transform:translateY(141px)}}@keyframes hero-confirm{0%,84.9%{stroke:var(--ink-faint)}85%,100%{stroke:var(--verified)}}@keyframes hero-badge{0%,84%{opacity:0;transform:scale(.72)}88%{opacity:1;transform:scale(1.06)}93%,96%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(.92)}}@media(min-width:768px){.home-hero{grid-template-areas:"copy scan";grid-template-columns:minmax(0,1fr) 280px;gap:var(--sp-4)}.hero-scan{justify-self:end}}@media(prefers-reduced-motion:reduce){.hero-scan__shine,.hero-scan__brackets,.hero-scan__laser,.hero-scan__badge{animation:none}.hero-scan__laser{transform:translateY(98px)}.hero-scan__shine{transform:translateY(70px)}.hero-scan__badge{opacity:0}}
/* tool-cards.css */
.more-tools {
  margin-block: var(--sp-5);
}

.more-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.more-tool-card {
  display: grid;
  grid-template-columns: minmax(76px, 0.7fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--sp-2);
  min-width: 0;
  padding: var(--sp-2);
  color: var(--ink);
  background: var(--panel);
  border: var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform var(--speed) ease, border-color var(--speed) ease, box-shadow var(--speed) ease;
}

.more-tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--laser);
  box-shadow: var(--shadow);
}

.more-tool-card:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.more-tool-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
}

.more-tool-card__copy {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
}

.more-tool-card__copy strong {
  font-size: var(--step-0);
  line-height: 1.25;
}

.more-tool-card__copy > span {
  color: var(--ink-soft);
  font-size: var(--step--1);
  line-height: 1.4;
}

@media (min-width: 900px) {
  .more-tools-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .more-tools-grid { gap: var(--sp-2); }
  .more-tool-card {
    grid-template-columns: 1fr;
    align-content: start;
    gap: 0.45rem;
    padding: 0.55rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .more-tool-card { transition: none; }
  .more-tool-card:hover { transform: none; }
}
/* analytics.css */
#analytics-choice:not([hidden]) {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 42rem;
  margin: 0 auto;
  z-index: 1000;
  max-height: 70vh;
  overflow: auto;
  box-shadow: 0 4px 30px #0006;
}
#analytics-choice[hidden] { display: none; }
#analytics-choice p { font-size: 1rem; }
.footer-settings {
  appearance: none; border: 0; background: none; color: var(--ink-faint);
  padding: 0.4rem 0; font: 600 var(--step--1)/1.3 var(--font-mono);
  text-decoration: underline; text-underline-offset: 0.2em; cursor: pointer;
}
.footer-settings:hover, .footer-settings:focus-visible { color: var(--ink); }
@media print { #analytics-choice, #analytics-settings { display: none !important; } }