/* Free AI Form — flat-pack manual system. Tokens and rules: DESIGN.md */
@font-face { font-family: Archivo; src: url('/fonts/archivo-latin.woff2') format('woff2'); font-weight: 400 900; font-stretch: 100% 125%; font-display: swap; }
@font-face { font-family: 'IBM Plex Mono'; src: url('/fonts/ibm-plex-mono-400-latin.woff2') format('woff2'); font-weight: 400; font-display: swap; }

:root {
  --paper: #F4F2EC;
  --sheet: #FFFFFF;
  --ink: #111111;
  --muted: #55524B;
  --rule: #C9C5BC;
  --on-ink: #F4F2EC;
  --on-ink-muted: #D2CDC2;
  --caution: #E8551A;
  --caution-text: #A8340A;
  --disabled: #8A867D;

  --font: Archivo, system-ui, sans-serif;
  --font-prompt: 'IBM Plex Mono', ui-monospace, monospace;
  --expanded: 125%;

  --line: 2px solid var(--ink);
  --divider: 1px solid var(--rule);
  --radius-button: 3px;

  --container: 1240px;
  --gutter: clamp(16px, 5vw, 56px);
  --section: clamp(72px, 8vw, 112px);
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.55 var(--font); }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, fieldset { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
summary { cursor: pointer; list-style: none; }
summary::-webkit-details-marker { display: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.wrap { width: min(calc(100% - 2 * var(--gutter)), var(--container)); margin-inline: auto; }
.muted { color: var(--muted); }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 30; padding: 12px 16px; background: var(--ink); color: var(--sheet); font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 12px; }

/* Icons */
[data-icon] { display: inline-flex; flex: none; width: 1.05em; height: 1.05em; }
.icon { width: 1.05em; height: 1.05em; flex: none; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: square; stroke-linejoin: miter; }
[data-icon] .icon { width: 100%; height: 100%; }

/* Header and footer */
.site-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 24px; padding-block: 12px; }
.wordmark { font-weight: 800; font-stretch: var(--expanded); font-size: 20px; letter-spacing: -0.01em; text-decoration: none; padding-block: 10px; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 0 20px; font-weight: 600; font-size: 15px; }
.site-header nav a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; text-decoration: none; }
.site-header nav a:hover, .site-header nav a[aria-current="page"] { text-decoration: underline; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 24px; margin-top: var(--section); padding: 16px 0 32px; border-top: var(--line); font-size: 14px; }
.site-footer .wordmark { font-size: 18px; }
.site-footer a { font-weight: 600; }
.site-footer a:not(.wordmark) { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; }

/* Buttons and links */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 22px; border: var(--line); border-radius: var(--radius-button); background: transparent; color: var(--ink); font-weight: 700; font-size: 16px; line-height: 1.2; text-align: center; text-decoration: none; cursor: pointer; }
.button:hover { text-decoration: underline; }
.button:active { transform: translateY(1px); }
.button.primary { background: var(--ink); color: var(--sheet); }
.button.secondary { background: transparent; }
.button.secondary:hover { background: var(--sheet); }
.button.light { min-height: 44px; padding: 0 16px; border-color: var(--sheet); background: var(--sheet); color: var(--ink); font-size: 15px; }
.button.on-ink { border-color: var(--on-ink); background: var(--on-ink); color: var(--ink); }
.button:disabled { border-color: var(--disabled); background: var(--sheet); color: var(--disabled); cursor: not-allowed; text-decoration: none; transform: none; }
.text-link { display: inline-flex; align-items: center; gap: 6px; padding-block: 12px; font-weight: 700; }
.text-button, .inline-button { padding: 0; border: 0; background: none; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.text-button { min-height: 44px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 52px; height: 52px; border: var(--line); border-radius: var(--radius-button); background: transparent; cursor: pointer; }
.icon-button:disabled { border-color: var(--disabled); color: var(--disabled); cursor: not-allowed; }

/* Fields */
input:not([type="radio"]):not([type="checkbox"]), textarea, select { min-height: 46px; padding: 10px 12px; border: var(--line); border-radius: 0; background-color: var(--sheet); font-size: 16px; }
textarea { resize: vertical; }
select { padding-right: 38px; font-weight: 700; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111111' stroke-width='2.4'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; background-size: 18px; cursor: pointer; }
::placeholder { color: var(--muted); opacity: 1; }

/* Manual furniture */
.section { padding-top: var(--section); }
.rule-head { display: flex; justify-content: space-between; gap: 16px; padding-top: 10px; border-top: var(--line); font-size: 15px; }
.rule-head > span:first-child { font-weight: 700; }
.rule-head > span:last-child { font-variant-numeric: tabular-nums; white-space: nowrap; }
.section-intro { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px 48px; margin: 28px 0 32px; }
.section-intro h2, .ask-intro h2, .troubleshooting h2 { max-width: 16ch; font-weight: 800; font-stretch: var(--expanded); font-size: clamp(34px, 4.4vw, 60px); line-height: 1; letter-spacing: -0.03em; text-wrap: balance; }
.section-intro > p { flex: 0 1 44ch; font-size: 17px; text-wrap: pretty; }
.part-tag { display: inline-flex; align-items: center; justify-content: center; flex: none; width: 26px; height: 26px; border: var(--line); border-radius: 50%; background: var(--sheet); color: var(--ink); font-weight: 800; font-size: 13px; line-height: 1; }
.adds-part { display: inline-flex; align-items: center; gap: 8px; }
.adds-part .part-tag, .tally .part-tag { width: 22px; height: 22px; font-size: 11px; }
.plus { font-size: 22px; font-weight: 400; line-height: 1; }
details[open] > summary .plus { transform: rotate(45deg); }
figcaption { margin-top: 14px; padding-top: 10px; border-top: var(--divider); font-size: 14px; color: var(--muted); }
figcaption strong { color: var(--ink); }

/* Cover */
.cover { padding-top: 8px; }
.cover-sheet { border: var(--line); background: var(--sheet); }
.cover-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; padding: 12px clamp(16px, 2.4vw, 28px); border-bottom: var(--line); font-size: 15px; }
.cover-bar-title { font-weight: 700; }
.cover-bar a { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; margin-block: -11px; font-weight: 700; }
.rule-head a { display: inline-flex; align-items: center; min-height: 44px; margin-block: -14px; }
.cover-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 40px 56px; align-items: center; padding: clamp(28px, 4.4vw, 64px) clamp(16px, 4vw, 56px); }
h1 { font-weight: 800; font-stretch: var(--expanded); font-size: clamp(40px, 6vw, 88px); line-height: 0.98; letter-spacing: -0.03em; text-wrap: balance; }
.cover-intro { max-width: 36ch; margin-top: 24px; font-size: clamp(18px, 1.5vw, 21px); line-height: 1.5; text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 32px; }
.cover-figure { justify-self: center; width: 100%; max-width: 540px; }
.cover-figure svg { width: 100%; height: auto; }
.cover-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 2px; border-top: var(--line); background: var(--ink); }
.cover-facts li { display: flex; align-items: center; gap: 14px; padding: 16px clamp(16px, 2.4vw, 28px); background: var(--sheet); font-size: 15px; line-height: 1.35; }
.cover-facts strong { display: block; }
.pictogram { flex: none; width: 62px; height: 40px; fill: none; stroke: var(--ink); stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.fact-number { font-weight: 900; font-stretch: var(--expanded); font-size: 40px; line-height: 1; }

/* Parts list */
/* 21 parts: 3 or 7 columns always fill the grid. */
.parts-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2px; border: var(--line); background: var(--ink); }
@media (min-width: 960px) { .parts-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); } }
.part { display: flex; flex-direction: column; min-width: 0; padding: 14px; background: var(--sheet); }
.part-top { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.part-step { font-size: 13px; color: var(--muted); white-space: nowrap; }
.part-icon { width: 56px; height: 56px; margin: 14px auto; fill: none; stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.part-icon .solid { fill: var(--ink); stroke: none; }
.part-icon .sheet { fill: var(--sheet); }
.part-name { margin-top: auto; font-weight: 700; font-size: 15px; line-height: 1.3; hyphens: manual; }
@media (max-width: 480px) {
  .part { padding: 10px 8px; }
  .part .part-tag { width: 22px; height: 22px; font-size: 11px; }
  .part-step { font-size: 12px; }
  .part-icon { width: 48px; height: 48px; margin: 10px auto; }
  .part-name { font-size: 13px; }
}
.parts-note { display: flex; align-items: center; gap: 16px; margin-top: 16px; font-size: 15px; }
.parts-note .part-icon { margin: 0; width: 44px; height: 44px; }

/* Step page */
.step-toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; margin-top: 20px; font-size: 15px; }
#progress-note { color: var(--muted); }
.jump-field { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; max-width: 100%; font-weight: 700; }
.jump-field select { flex: 1 1 220px; min-width: 0; max-width: 100%; }
/* Header (numeral, title, intro | adds, do/don't) spans both columns, so 1a and 1b start level. */
.step-header, .step-layout { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); gap: 40px 64px; }
.step-header { align-items: end; margin-top: 32px; }
.step-layout { align-items: start; margin-top: 48px; padding-top: 28px; border-top: var(--divider); row-gap: 56px; }
.step-head { display: flex; align-items: flex-end; gap: 20px; }
.step-numeral { font-weight: 900; font-stretch: var(--expanded); font-size: clamp(120px, 13vw, 188px); line-height: 0.78; letter-spacing: -0.05em; }
.step-chapter { margin-bottom: 6px; font-size: 15px; line-height: 1.35; color: var(--muted); }
#step-title { margin-top: 28px; font-weight: 800; font-stretch: var(--expanded); font-size: clamp(32px, 3.6vw, 50px); line-height: 1.02; letter-spacing: -0.03em; text-wrap: balance; }
.step-intro { max-width: 46ch; margin-top: 16px; font-size: 18px; text-wrap: pretty; }
.step-adds { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; font-weight: 700; }
.dodont { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: 2px; margin-top: 16px; border: var(--line); background: var(--ink); }
.dodont li { display: flex; align-items: flex-start; gap: 12px; padding: 16px; background: var(--sheet); font-size: 15px; line-height: 1.4; }
.dodont [data-icon] { width: 30px; height: 30px; }
.dodont .icon { stroke-width: 2; }
.substep { display: flex; align-items: baseline; gap: 12px; margin: 40px 0 12px; font-size: 20px; font-weight: 800; line-height: 1.25; }
.substep.first { margin-top: 0; }
.substep-num { font-stretch: var(--expanded); }
.prompt-slip { border: var(--line); background: var(--sheet); }
.prompt-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 8px 8px 16px; background: var(--ink); color: var(--sheet); font-size: 14px; font-weight: 600; }
#prompt-text { display: block; width: 100%; height: 320px; padding: 20px; border: 0; background: var(--sheet); font-family: var(--font-prompt); font-size: 15px; line-height: 1.7; }
#prompt-text:focus-visible { outline-offset: -4px; }
.personalize { border: var(--line); border-top: 0; background: var(--sheet); }
.personalize summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 50px; padding: 8px 16px; font-size: 15px; }
.personalize-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 16px; padding: 4px 16px 16px; }
.personalize-fields label { display: flex; flex-direction: column; gap: 6px; font-weight: 700; font-size: 14px; }
.personalize-fields input, .personalize-fields textarea { font-weight: 400; }
.personalize-fields .wide-field, .personalize-fields p { grid-column: 1 / -1; }
.personalize-fields p { font-size: 14px; color: var(--muted); }
.copy-fallback { margin-top: 12px; padding: 12px 16px; border: var(--line); background: var(--sheet); font-size: 15px; }
.ai-launch { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
#open-ai { display: inline-flex; align-items: center; gap: 6px; padding-block: 10px; font-weight: 700; }
.step-note { margin-top: 10px; font-size: 15px; color: var(--muted); }
.step-note strong { color: var(--ink); }
.expect { margin: 32px 0 14px; }
.demo { position: relative; padding: 22px; border: var(--line); background: var(--sheet); }
.demo-tag { position: absolute; top: -14px; right: 16px; }
#demo-title, .demo-result h4 { font-size: 24px; font-weight: 800; line-height: 1.1; }
.demo-description { margin: 4px 0 16px; font-size: 15px; color: var(--muted); }
.rating-field { padding: 0; border: 0; }
.rating-field legend { margin-bottom: 8px; padding: 0; font-weight: 700; font-size: 14px; }
.rating-options { display: flex; gap: 6px; }
.rating-options label { position: relative; flex: 1; }
.rating-options input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.rating-options span { display: flex; align-items: center; justify-content: center; height: 44px; border: var(--line); font-weight: 700; }
.rating-options input:checked + span { background: var(--ink); color: var(--sheet); }
.rating-options input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }
.rating-captions { display: flex; justify-content: space-between; margin-top: 6px; font-size: 13px; color: var(--muted); }
.demo-text-label { display: block; margin-top: 14px; font-weight: 700; font-size: 14px; }
#demo-message { display: block; width: 100%; margin-top: 6px; }
.demo-submit { width: 100%; margin-top: 14px; min-height: 48px; }
.demo-privacy { margin-top: 8px; text-align: center; font-size: 13px; color: var(--muted); }
.demo-result { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.demo-result:focus-visible { outline-offset: 8px; }
.checklist { border-top: var(--divider); }
.checklist li { display: flex; align-items: center; gap: 14px; min-height: 50px; padding: 8px 0; border-bottom: var(--divider); }
.checklist li::before { content: ""; flex: none; width: 18px; height: 18px; border: var(--line); }
.step-sources { margin-top: 12px; font-size: 14px; color: var(--muted); }
.step-sources a { color: var(--ink); }
.caution { display: flex; align-items: flex-start; gap: 14px; margin-top: 28px; padding: 16px 18px; border: 2px solid var(--caution); background: var(--sheet); }
.caution-icon { flex: none; width: 34px; height: 30px; }
.caution-fill { fill: var(--caution); stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.caution-mark { fill: none; stroke: var(--ink); stroke-width: 3; }
.caution-icon circle { fill: var(--ink); }
.step-actions { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 14px; margin-top: 28px; padding-top: 20px; border-top: var(--line); }
.complete-toggle { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-weight: 700; cursor: pointer; }
.complete-toggle input { width: 22px; height: 22px; margin: 0; accent-color: var(--ink); }
.step-buttons { display: flex; flex-wrap: wrap; gap: 10px; }

/* All steps */
.steps-tools { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 1 540px; }
.search-field { flex: 1 1 240px; }
.steps-tools .search-field input[type="search"] { width: 100%; min-height: 52px; }
.steps-tools .button { flex: 0 0 auto; }
.chapter-row { display: flex; flex-wrap: wrap; gap: 16px 24px; padding: 20px 0 28px; border-top: var(--line); }
.chapter-label { flex: 1 1 220px; }
.chapter-name { font-weight: 800; font-stretch: var(--expanded); font-size: 22px; line-height: 1.1; }
.chapter-mood { margin-top: 6px; font-size: 15px; color: var(--muted); }
.tally-label { margin: 14px 0 6px; font-size: 13px; font-weight: 700; }
.tally > span[aria-hidden] { display: flex; flex-wrap: wrap; gap: 4px; }
.tiles { display: grid; flex: 999 1 640px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); gap: 12px; }
.tile { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; width: 100%; height: 100%; min-height: 132px; padding: 12px 14px; border: 0; border-left: var(--line); background: transparent; text-align: left; cursor: pointer; }
.tile:hover .tile-title { text-decoration: underline; }
.tile-num { font-weight: 900; font-stretch: var(--expanded); font-size: 40px; line-height: 1; }
.tile-title { font-weight: 700; font-size: 15px; line-height: 1.3; }
.tile-parts { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.tile-done, .tile-here { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; }
.tile.is-current { background: var(--ink); color: var(--sheet); }
.tile.is-current .part-tag { border-color: var(--sheet); background: var(--ink); color: var(--sheet); }
.search-empty { padding: 20px 0; border-top: var(--line); font-weight: 700; }
.more-ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 2px; margin-top: 8px; border: var(--line); background: var(--ink); }
.more-ways a { display: flex; flex-direction: column; gap: 4px; height: 100%; padding: 18px 20px; background: var(--sheet); text-decoration: none; }
.more-ways strong { text-decoration: underline; text-underline-offset: 3px; }
.more-ways span { font-size: 15px; color: var(--muted); }

/* Back page (the one dark band) */
.back-page { margin-top: var(--section); padding: clamp(28px, 3vw, 40px) 0 var(--section); background: var(--ink); color: var(--on-ink); }
.back-page .rule-head { border-top-color: var(--on-ink); }
.back-page :focus-visible { outline-color: var(--on-ink); }
.back-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); gap: 48px 72px; align-items: start; margin-top: 40px; }
.big-quote { font-weight: 800; font-stretch: var(--expanded); font-size: clamp(42px, 5.8vw, 84px); line-height: 0.98; letter-spacing: -0.035em; }
.story-copy h2 { font-size: 26px; font-weight: 800; line-height: 1.2; text-wrap: balance; }
.story-copy p { margin-top: 12px; font-size: 17px; color: var(--on-ink-muted); }
.preassembled { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px 48px; margin-top: 56px; padding: clamp(20px, 3vw, 36px); border: 2px solid var(--on-ink); }
.preassembled > div:first-child { max-width: 640px; }
.preassembled-label { margin-bottom: 6px; font-size: 15px; font-weight: 700; }
.preassembled h2 { font-weight: 800; font-stretch: var(--expanded); font-size: clamp(26px, 2.8vw, 38px); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; }
.preassembled h2 + p { margin-top: 10px; font-size: 17px; color: var(--on-ink-muted); }
.preassembled-actions p { margin-top: 12px; font-size: 14px; color: var(--on-ink-muted); }
.preassembled-actions a:not(.button) { color: var(--on-ink); }
.keep-building { display: inline-block; margin-top: 4px; padding-block: 10px; font-weight: 600; font-size: 15px; }

/* Second opinion */
.ask-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); gap: 32px 72px; align-items: start; margin-top: 28px; }
.ask-intro h2 span { display: block; margin-top: 0.15em; color: var(--muted); }
.ask-intro p { max-width: 44ch; margin-top: 18px; font-size: 17px; }
.ask-intro a { font-weight: 700; }
.ask-providers { border-top: var(--line); border-bottom: var(--line); }
.ask-providers a { display: flex; align-items: center; gap: 14px; min-height: 64px; border-bottom: var(--divider); text-decoration: none; }
.ask-providers a:last-child { border-bottom: 0; }
.ask-providers img { width: 24px; height: 24px; }
.provider-name { flex: 1; font-weight: 800; font-stretch: var(--expanded); font-size: 22px; }
.ask-providers a:hover .provider-name { text-decoration: underline; }
.provider-action { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 700; }
.ask-launch-note, .ask-fineprint { margin-top: 14px; font-size: 14px; color: var(--muted); }
.ask-launch-note a, .ask-fineprint a, .ask-fallback a { color: var(--ink); }
.comparison-disclosure { margin-top: 8px; border-bottom: var(--divider); }
.comparison-disclosure summary { display: flex; justify-content: space-between; align-items: center; min-height: 56px; font-weight: 700; }
.comparison-content { display: flex; flex-direction: column; gap: 10px; padding-bottom: 20px; }
.comparison-content label { font-weight: 700; font-size: 15px; }
.comparison-content label span { display: block; font-weight: 400; font-size: 14px; color: var(--muted); }
#comparison-prompt { font-family: var(--font-prompt); font-size: 15px; line-height: 1.6; }
#copy-comparison { align-self: flex-start; }
.comparison-copy-status, .ask-fallback { font-size: 14px; color: var(--muted); }

/* Troubleshooting */
.troubleshooting h2 { max-width: none; margin: 28px 0 32px; }
.faq-list { border-top: var(--line); border-bottom: var(--line); }
.faq-list > div { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 6px 48px; padding: 20px 0; border-bottom: var(--divider); }
.faq-list > div:last-child { border-bottom: 0; }
.faq-list dt { font-weight: 800; font-size: 18px; line-height: 1.35; }

/* Feedback */
.toast { position: fixed; left: 16px; bottom: 16px; z-index: 20; max-width: min(420px, calc(100% - 32px)); padding: 14px 18px; background: var(--ink); color: var(--sheet); font-weight: 600; font-size: 15px; opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity 0.15s, transform 0.15s; }
.toast.visible { opacity: 1; transform: none; }
.noscript-note { margin: 16px; padding: 16px; border: var(--line); background: var(--sheet); }

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