:root {
  color-scheme: light;
  --bg: #f3f5f9;
  --bg-accent: #e7ecf8;
  --surface: #ffffff;
  --ink: #14192b;
  --muted: #5c6578;
  --line: #e1e6f0;
  --line-strong: #c5cde0;
  --primary: #3140c8;
  --primary-ink: #ffffff;
  --primary-soft: #eceffe;
  --success: #0f7a56;
  --success-soft: #e7f6ef;
  --warn: #8a5a00;
  --warn-soft: #fff4df;
  --danger: #b4233c;
  --danger-soft: #fdecef;
  --shadow: 0 12px 40px rgba(20, 25, 43, 0.06);
  --radius: 16px;
  --header: 64px;
  --font: system-ui, "Segoe UI", Tahoma, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1020;
  --bg-accent: #171c2e;
  --surface: #161b2e;
  --ink: #eef1f8;
  --muted: #a7b0c4;
  --line: #2a3148;
  --line-strong: #3c4666;
  --primary: #9aa4ff;
  --primary-ink: #101428;
  --primary-soft: #232848;
  --success: #7ddec0;
  --success-soft: #14352c;
  --warn: #f0c27a;
  --warn-soft: #3a2d14;
  --danger: #ff8b9a;
  --danger-soft: #3d1822;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 10% -10%, var(--bg-accent), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
}
img, canvas, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { font-size: clamp(1.8rem, 4vw, 3.1rem); line-height: 1.12; letter-spacing: -0.03em; margin: 0 0 0.6rem; }
h2 { font-size: 1.35rem; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
h3 { font-size: 1rem; margin: 0 0 0.4rem; }

.wrap { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.skip {
  position: absolute;
  inset-inline-start: 12px;
  top: -40px;
  background: var(--primary);
  color: var(--primary-ink);
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 5;
}
.skip:focus { top: 8px; }
[hidden] { display: none !important; }
.sr-only, .hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.tech, .tech input { direction: ltr; unicode-bidi: isolate; font-variant-numeric: tabular-nums; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-bar {
  min-height: var(--header);
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand { display: inline-flex; align-items: center; min-width: 0; max-width: 100%; color: var(--ink); text-decoration: none; }
.site-header .brand { flex: 0 1 auto; }
.brand-logo { display: block; height: 34px; width: auto; max-width: min(168px, 42vw); object-fit: contain; object-position: center; }
.brand-logo--dark { display: none; }
html[data-theme="dark"] .brand-logo--light { display: none; }
html[data-theme="dark"] .brand-logo--dark { display: block; }
.site-footer .brand-logo { height: 40px; max-width: min(210px, 70vw); }
.primary-nav, .header-tools { display: flex; align-items: center; gap: 4px; }
.primary-nav { display: none; }
.header-tools { margin-inline-start: auto; }
.primary-nav a, .nav-drop summary {
  color: var(--ink);
  text-decoration: none;
  padding: 8px 10px;
  min-height: 44px;
  display: flex;
  align-items: center;
  border-radius: 999px;
}
.nav-drop summary { cursor: pointer; list-style: none; }
.nav-drop summary::-webkit-details-marker { display: none; }
.icon-btn, .lang-switch, .nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  text-decoration: none;
}
.lang-switch { width: auto; padding-inline: 10px; font-weight: 650; }
.site-header.is-open .primary-nav {
  display: grid;
  position: absolute;
  inset-inline: 0;
  top: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 8px 16px 16px;
}
.tool-search { position: relative; }
.tool-search__panel {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 6px);
  width: min(360px, 86vw);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 10px;
  z-index: 3;
}
.tool-search__panel input, .form input, .form textarea, .settings input, .settings select, .pair input {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  border-radius: 10px;
  padding: 10px 12px;
  min-height: 44px;
}
.tool-index { list-style: none; margin: 8px 0 0; padding: 0; max-height: 320px; overflow: auto; }
.tool-index a { display: grid; color: var(--ink); text-decoration: none; padding: 8px; border-radius: 10px; }
.tool-index a span, .tool-card small { color: var(--muted); font-size: 0.92rem; }
.tool-index [hidden] { display: none; }

.hero { padding: 28px 0 8px; }
.hero-grid { display: grid; gap: 22px; }
.eyebrow { margin: 0 0 8px; color: var(--primary); font-weight: 700; }
.lede { font-size: 1.08rem; color: var(--muted); margin: 0 0 12px; }
.trust { margin: 0; color: var(--ink); }
.hero-panel, .sheet, .tool-card, .result, .social-card, .session-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.dropzone {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
  gap: 6px;
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius);
  border: 1.5px dashed var(--line-strong);
  background: var(--surface);
  cursor: pointer;
}
.dropzone.is-hot { border-color: var(--primary); background: var(--primary-soft); }
.dropzone__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.dropzone__title { font-weight: 700; }
.dropzone__hint, .note, .status { color: var(--muted); }
.icon { width: 22px; height: 22px; }
.icon-lg { width: 36px; height: 36px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  font-weight: 650;
}
.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-secondary, .btn-ghost { background: var(--primary-soft); color: var(--ink); }
.btn-ghost { background: transparent; border-color: var(--line); }
.quick-actions, .result__actions, .settings__actions, .banner__actions, .row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.band, .split, .sheet { padding-block: 28px; }
.tool-grid { display: grid; gap: 12px; }
.tool-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  color: var(--ink);
  text-decoration: none;
  align-items: flex-start;
}
.tool-card strong, .tool-card small { display: block; }
.group-label { margin: 18px 0 8px; color: var(--muted); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }
[dir="rtl"] .group-label { letter-spacing: 0; text-transform: none; }
.split { display: grid; gap: 18px; }
.split article, .prose section, .faq { margin-bottom: 18px; }
.pill {
  display: inline-flex;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--success-soft);
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 700;
}
.page-head { margin-bottom: 16px; }
.crumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 0.92rem; margin-bottom: 12px; }
.crumbs a { color: var(--muted); }
.settings, .file-list, .results, .social-grid { display: grid; gap: 12px; margin-top: 14px; }
.settings { padding: 14px; border: 1px solid var(--line); border-radius: 14px; }
.pair { display: grid; gap: 10px; }
.check { display: flex; gap: 8px; align-items: flex-start; }
.file-list, .footer-links { list-style: none; padding: 0; margin: 0; }
.page-index { min-width: 1.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.file-row, .banner, .result, .social-card {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
}
.file-row { border: 1px solid var(--line); border-radius: 12px; }
.file-row div { display: grid; }
.stats, .meta-grid, .meta-view dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; width: 100%; margin: 0; }
.stats div, .meta-view dl div { background: var(--bg); border-radius: 10px; padding: 8px; }
dt { color: var(--muted); font-size: 0.82rem; }
dd { margin: 0; font-weight: 700; }
.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress span { display: block; height: 100%; width: 0; background: var(--primary); }
.compare__frame { position: relative; container-type: inline-size; border-radius: 12px; overflow: hidden; }
.compare__frame > img, .compare__top img { display: block; width: 100%; height: auto; }
.compare__top { position: absolute; inset-block: 0; inset-inline-start: 0; width: 50%; overflow: hidden; }
.compare__top img { width: 100cqi; max-width: none; height: 100%; object-fit: cover; }
.crop-stage {
  width: 100%;
  height: min(62vh, 520px);
  background: #0e1324;
  border-radius: 12px;
  touch-action: none;
  display: block;
}
.social-card { align-items: stretch; }
.social-card canvas {
  width: auto;
  max-width: 100%;
  height: auto;
  background: #111;
  border-radius: 12px;
  touch-action: none;
  display: block;
}
.ratio-row, .preset-list { display: flex; flex-wrap: wrap; gap: 8px; }
.preset-list { border: 0; padding: 0; margin: 0; }
.preset-list h3 { flex-basis: 100%; margin-top: 8px; }
.chip {
  min-height: 40px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.chip.is-on { background: var(--primary); color: var(--primary-ink); border-color: transparent; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: start; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.form { display: grid; gap: 8px; max-width: 640px; }
.contact-page { padding-block: 12px 48px; }
.contact-intro { max-width: 40rem; margin-bottom: 22px; }
.contact-intro .lede { margin-bottom: 0; }
.contact-layout { display: grid; gap: 16px; align-items: start; }
.contact-card {
  display: grid;
  gap: 16px;
  max-width: none;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.field { display: grid; gap: 6px; min-width: 0; }
.field-row { display: grid; gap: 16px; }
.field label { font-size: 0.92rem; font-weight: 650; }
.contact-card input,
.contact-card textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--bg);
}
.contact-card textarea { min-height: 168px; resize: vertical; line-height: 1.5; }
.contact-card input::placeholder,
.contact-card textarea::placeholder { color: var(--muted); opacity: 0.85; }
.contact-card input:focus,
.contact-card textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; border-color: transparent; }
.contact-submit { width: 100%; margin-top: 2px; }
.contact-side { display: grid; gap: 12px; }
.contact-mail {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.contact-mail:hover { border-color: var(--primary); }
.contact-mail__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 14px;
  background: var(--primary-soft);
  color: var(--primary);
}
.contact-mail__label { display: block; color: var(--muted); font-size: 0.88rem; }
.contact-mail strong { display: block; font-size: 1.02rem; overflow-wrap: anywhere; }
.contact-reply,
.contact-help {
  margin: 0;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.contact-reply { color: var(--muted); }
.contact-help h2 { font-size: 1.05rem; }
.contact-help p { margin: 0; color: var(--muted); }
.contact-page .alert { margin: 0 0 16px; }
.alert { padding: 12px 14px; border-radius: 12px; }
.alert-ok { background: var(--success-soft); color: var(--success); }
.alert-bad { background: var(--danger-soft); color: var(--danger); }
.faq details, .prose { max-width: 72ch; }
.prose section + section { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); }
.prose h2 { margin-top: 0.4rem; }
.prose .table-wrap { margin: 0.4rem 0 0.2rem; max-width: 100%; }
.prose table { font-size: 0.92rem; }
.prose p, .prose li { color: var(--ink); }
.prose-links { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 8px; }
.prose-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
  text-decoration: none;
}
.faq details { border-bottom: 1px solid var(--line); padding-block: 8px; }
.faq summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; }
.session-card { margin-top: 12px; padding: 14px; display: grid; gap: 8px; }
.favicon-preview { display: flex; gap: 8px; align-items: end; margin-top: 12px; }
.favicon-preview img { background: var(--bg); border-radius: 8px; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0 18px; margin-top: 20px; }
.footer-grid { display: grid; gap: 22px; }
.footer-base { color: var(--muted); padding-top: 8px; }
.tool-search--static .tool-search__panel { position: static; width: auto; box-shadow: none; }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}
@media (min-width: 720px) {
  .hero-grid, .split, .footer-grid { grid-template-columns: 1.1fr 0.9fr; }
  .split { grid-template-columns: 1fr 1fr; }
  .tool-grid, .prose-links { grid-template-columns: 1fr 1fr; }
  .pair { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 0.8fr; }
}
@media (min-width: 880px) {
  .contact-layout { grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr); gap: 22px; }
  .contact-card { padding: 28px; }
  .field-row { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .primary-nav { display: flex; }
  .nav-toggle { display: none; }
  .nav-drop { position: relative; }
  .nav-drop__menu {
    display: none;
    position: absolute;
    inset-inline-start: 0;
    top: calc(100% + 6px);
    min-width: 220px;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }
  .nav-drop[open] .nav-drop__menu { display: grid; }
  .tool-grid { grid-template-columns: 1fr 1fr 1fr; }
  .social-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 720px) {
  .brand-logo { height: 42px; max-width: 210px; }
}
@media (max-width: 359px) {
  .wrap { width: min(1120px, calc(100% - 20px)); }
  .brand-logo { height: 30px; }
  .header-bar { gap: 4px; }
  .lang-switch { padding-inline: 6px; }
}

.doc-page { padding-block: 8px 56px; }
.doc-hero { max-width: 46rem; margin-bottom: 22px; }
.doc-hero .eyebrow { display: inline-flex; align-items: center; gap: 8px; }
.doc-hero .eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--primary);
}
.doc-hero .lede { margin: 0; line-height: 1.7; font-size: 1.08rem; }
.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; align-items: start; }
.doc-toc, .doc-main { min-width: 0; }
.doc-toc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 12px;
}
.doc-toc__label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
[dir="rtl"] .doc-toc__label { letter-spacing: 0; text-transform: none; font-size: 0.88rem; }
.doc-toc ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.doc-toc a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.3;
}
.doc-toc a:hover { border-color: var(--primary); }
.doc-page .prose { max-width: none; display: grid; gap: 14px; counter-reset: docsec; }
.doc-page .prose section,
.doc-page .faq {
  margin: 0;
  scroll-margin-top: calc(var(--header) + 12px);
}
.doc-page .prose section {
  counter-increment: docsec;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.doc-page .prose h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
  font-size: clamp(1.12rem, 2.2vw, 1.4rem);
}
.doc-page .prose h2::before {
  content: counter(docsec, decimal-leading-zero);
  flex: none;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.doc-page .prose p { margin: 0 0 0.9rem; line-height: 1.72; }
.doc-page .prose p:last-child { margin-bottom: 0; }
.doc-page .prose ul:not(.prose-links) { margin: 0.2rem 0 0.9rem; padding-inline-start: 1.15rem; }
.doc-page .prose ul:not(.prose-links) li { margin-bottom: 0.35rem; line-height: 1.65; }
.doc-page .prose ul:not(.prose-links) li::marker { color: var(--primary); }
.doc-page .prose-links a[rel]::after {
  content: "↗";
  margin-inline-start: auto;
  color: var(--muted);
}
.doc-page .faq {
  margin-top: 0;
  padding: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.doc-page .faq h2 { margin: 0; padding: 14px 12px 6px; }
.doc-page .faq details {
  margin: 8px 4px;
  padding: 2px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
}
.doc-page .faq summary {
  justify-content: space-between;
  gap: 12px;
  list-style: none;
}
.doc-page .faq summary::-webkit-details-marker { display: none; }
.doc-page .faq summary::after {
  content: "";
  width: 8px;
  height: 8px;
  flex: none;
  border-inline-end: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg) translateY(-2px);
}
.doc-page .faq details[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.doc-page .faq details p { margin: 0 0 14px; color: var(--muted); line-height: 1.7; }
@media (min-width: 960px) {
  .doc-layout { grid-template-columns: minmax(200px, 250px) minmax(0, 1fr); gap: 28px; }
  .doc-toc {
    position: sticky;
    top: calc(var(--header) + 16px);
    max-height: calc(100vh - var(--header) - 32px);
    overflow: auto;
    padding: 16px 12px;
  }
  .doc-toc ol { display: grid; gap: 2px; overflow: visible; }
  .doc-toc a {
    display: flex;
    white-space: normal;
    min-height: 40px;
    padding: 8px 10px;
    border-color: transparent;
    border-radius: 12px;
    background: transparent;
    line-height: 1.35;
  }
  .doc-toc a:hover { background: var(--primary-soft); border-color: transparent; }
  .doc-page .prose section { padding: 26px 28px; }
}
@media (max-width: 359px) {
  .doc-page .prose section { padding: 18px 14px; }
  .doc-hero .lede { font-size: 1rem; }
}

.studio { padding-block: 8px 56px; }
.studio-hero { max-width: 44rem; margin-bottom: 18px; }
.studio-hero .lede { margin-bottom: 0; line-height: 1.7; }
.studio .banner { margin-bottom: 14px; border-radius: 18px; }
.studio .tool-app {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.studio .dropzone {
  gap: 8px;
  padding: 32px 18px;
  border-radius: 20px;
  border-style: dashed;
  background:
    radial-gradient(480px 160px at 50% 0%, var(--primary-soft), transparent 72%),
    var(--bg);
}
.studio .dropzone__icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: 4px;
  border-radius: 18px;
  background: var(--primary-soft);
  color: var(--primary);
}
.studio .dropzone__title { font-size: 1.12rem; }
.studio .dropzone__hint { max-width: 100%; }
.format-choice {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.format-choice label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  cursor: pointer;
}
.format-choice label:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-soft);
}
.format-choice input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.convert-preview {
  width: 100%;
  max-width: 220px;
  height: 140px;
  object-fit: contain;
  border-radius: 12px;
  background: var(--surface);
}
.convert-preview.is-alpha {
  background-color: #f4f5f8;
  background-image:
    linear-gradient(45deg, #d5d8e0 25%, transparent 25%),
    linear-gradient(-45deg, #d5d8e0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d5d8e0 75%),
    linear-gradient(-45deg, transparent 75%, #d5d8e0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
html[data-theme="dark"] .convert-preview.is-alpha {
  background-color: #171c2b;
  background-image:
    linear-gradient(45deg, #2a3144 25%, transparent 25%),
    linear-gradient(-45deg, #2a3144 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a3144 75%),
    linear-gradient(-45deg, transparent 75%, #2a3144 75%);
}
.studio .status:empty { display: none; }
.studio .settings {
  margin: 0;
  padding: 16px;
  border-radius: 18px;
  background: var(--bg);
  align-content: start;
}
.studio .studio-fields { display: grid; gap: 12px; }
.studio .studio-dims { grid-column: 1 / -1; }
.studio .pair { grid-template-columns: 1fr 1fr; }
.studio .settings input[type="color"] {
  width: 100%;
  height: 48px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
}
.studio .settings .note,
.studio .tool-app > .note {
  margin: 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.studio .studio-field {
  display: grid;
  gap: 8px;
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 650;
}
.studio .studio-field--range { align-content: start; }
.studio .studio-field__label { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.studio .settings select,
.studio .settings input[type="number"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface);
}
.studio .settings input[type="range"] { width: 100%; accent-color: var(--primary); }
.studio .settings select:focus,
.studio .settings input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.studio .check { line-height: 1.45; }
.studio .check input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--primary); }
.studio .file-list,
.studio .results { margin-top: 0; }
.studio .file-row {
  background: var(--bg);
  border-radius: 16px;
  padding: 12px 14px;
}
.studio .file-row div { min-width: 0; }
.studio .file-row strong,
.studio .result h3 {
  overflow-wrap: anywhere;
}
.studio .file-row button {
  min-height: 40px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
}
.studio .file-row,
.studio .result { width: 100%; }
.studio .result {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  justify-items: stretch;
  align-items: start;
  border-radius: 18px;
  background: var(--bg);
  box-shadow: none;
}
.studio .resize-preview {
  width: 100%;
  max-width: 220px;
  height: 140px;
  object-fit: contain;
  border-radius: 12px;
  background-color: #f4f5f8;
  background-image:
    linear-gradient(45deg, #d5d8e0 25%, transparent 25%),
    linear-gradient(-45deg, #d5d8e0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d5d8e0 75%),
    linear-gradient(-45deg, transparent 75%, #d5d8e0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
html[data-theme="dark"] .studio .resize-preview {
  background-color: #171c2b;
  background-image:
    linear-gradient(45deg, #2a3144 25%, transparent 25%),
    linear-gradient(-45deg, #2a3144 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a3144 75%),
    linear-gradient(-45deg, transparent 75%, #2a3144 75%);
}
.studio .result__actions { width: 100%; min-width: 0; }
.studio .result__actions a:not(.btn) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.studio .compare { display: grid; gap: 8px; width: 100%; }
.studio .compare__frame {
  background-color: #d7dbe6;
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.65) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.65) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.65) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.65) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.studio .compare input[type="range"] { width: 100%; accent-color: var(--primary); }
.studio .prose,
.studio .faq,
.studio .related { max-width: none; }
.studio .prose { display: grid; gap: 14px; margin-top: 22px; }
.studio .prose section,
.studio .faq,
.studio .related {
  margin: 0;
  min-width: 0;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.studio .prose section + section { margin-top: 0; padding-top: 22px; }
.studio .prose h2,
.studio .faq h2,
.studio .related h2 { margin-top: 0; }
.studio .prose p:last-child { margin-bottom: 0; }
.studio .faq { margin-top: 14px; }
.studio .faq details {
  margin-top: 8px;
  padding: 4px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
}
.studio .related { margin-top: 14px; }
.studio .related .tool-grid { margin-top: 4px; }
@media (min-width: 720px) {
  .studio .studio-fields { grid-template-columns: 1fr 1fr; }
  .studio .studio-field--range { grid-column: 1 / -1; }
  .studio .tool-app { padding: 18px; }
}
@media (min-width: 960px) {
  .studio .tool-app:has(.settings:not([hidden])) {
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.85fr);
    align-items: start;
  }
  .studio .tool-app:has(.settings:not([hidden])) .status,
  .studio .tool-app:has(.settings:not([hidden])) .progress,
  .studio .tool-app:has(.settings:not([hidden])) .file-list,
  .studio .tool-app:has(.settings:not([hidden])) .results,
  .studio .tool-app:has(.settings:not([hidden])) .social-grid,
  .studio .tool-app:has(.settings:not([hidden])) [data-preview],
  .studio .tool-app:has(.settings:not([hidden])) [data-zip] {
    grid-column: 1 / -1;
  }
  .studio .cropper { grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr); align-items: start; }
  .studio .tool-app[data-tool="pdf"]:has(.settings:not([hidden])) .dropzone { grid-column: 1; grid-row: 1; }
  .studio .tool-app[data-tool="pdf"]:has(.settings:not([hidden])) .settings { grid-column: 2; grid-row: 1; }
  .studio .tool-app[data-tool="pdf"]:has(.settings:not([hidden])) .file-list { grid-column: 1 / -1; grid-row: 2; }
}
@media (max-width: 520px) {
  .studio .settings__actions,
  .studio .result__actions { display: grid; }
  .studio .settings__actions .btn,
  .studio .result__actions > * { width: 100%; }
}
@media (max-width: 359px) {
  .studio .tool-app,
  .studio .prose section,
  .studio .faq,
  .studio .related { padding: 14px; border-radius: 16px; }
  .studio .dropzone { padding: 24px 12px; }
  .studio .cropper,
  .studio > section.prose { padding: 14px; border-radius: 16px; }
}

.studio .cropper {
  display: grid;
  gap: 14px;
  min-width: 0;
}
.studio .crop-controls { display: grid; gap: 12px; align-content: start; min-width: 0; }
.studio .crop-stage { height: min(52vh, 460px); min-height: 220px; border-radius: 16px; }
.crop-size { margin: 0; min-height: 1.4em; font-weight: 700; }
.studio .crop-stage canvas { width: 100%; height: 100%; display: block; }
.studio .ratio-row { gap: 8px; }
.studio .chip { background: var(--surface); }
.studio .crop-controls .note,
.studio > section.prose {
  margin-top: 18px;
  padding: 22px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.studio .crop-controls .note { margin: 0; padding: 12px 14px; border-radius: 14px; box-shadow: none; }
.studio > section.prose h2 { margin-top: 0; }
.studio .preset-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 4px 2px 8px;
  border: 0;
  min-width: 0;
}
.studio .preset-list legend { padding: 0; font-weight: 700; }
.studio .preset-list h3 {
  margin: 12px 0 2px;
  font-size: 0.92rem;
}
.studio .social-grid { margin-top: 0; }
.studio .social-card {
  display: grid;
  gap: 10px;
  align-items: stretch;
  padding: 14px;
  border-radius: 18px;
  background: var(--bg);
  box-shadow: none;
}
.studio .social-card header { display: grid; gap: 2px; }
.studio .social-card h3,
.studio .social-card p { margin: 0; }
.studio .social-card canvas { max-width: 100%; height: auto; max-height: none; border-radius: 12px; }
.studio .social-card input[type="range"] { width: 100%; accent-color: var(--primary); }
.studio .social-card .btn { width: 100%; }
.studio .row-actions button {
  min-height: 40px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  cursor: pointer;
}
@media (max-width: 520px) {
  .studio .row-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; width: 100%; }
  .studio .row-actions button { width: 100%; }
}

.studio .meta-view { gap: 14px; }
.studio .meta-view section {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}
.studio .meta-view section h3 { margin: 0; font-size: 0.95rem; }
.studio .meta-view > p { margin: 0; }
.studio .meta-view > p a,
.studio .stats--large + .result__actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}
.studio .stats--large dd { font-size: 1.2rem; }
.studio .dims-caption { margin: 0; color: var(--muted); }
.studio .dims-hero {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.studio .result [data-notes] { display: grid; gap: 6px; }
.studio .result [data-notes] .note { margin: 0; }
.studio .favicon-preview {
  margin: 0;
  align-items: end;
  flex-wrap: wrap;
  padding: 14px;
  border-radius: 16px;
  background: var(--bg);
  border: 1px solid var(--line);
}
.studio .favicon-preview:empty { display: none; }
.studio .favicon-preview figure { margin: 0; display: grid; gap: 4px; justify-items: center; }
.studio .favicon-preview figcaption { font-size: 0.75rem; }
.studio .favicon-preview img {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0;
}
.studio .favicon-preview img.is-checker {
  background-color: var(--surface);
  background-image:
    linear-gradient(45deg, var(--line) 25%, transparent 25%),
    linear-gradient(-45deg, var(--line) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--line) 75%),
    linear-gradient(-45deg, transparent 75%, var(--line) 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
}
.studio .favicon-preview img.is-pixel { image-rendering: pixelated; width: 64px; height: 64px; }
.studio .result textarea[data-html] {
  width: 100%;
  max-width: 100%;
  min-height: 8rem;
  font-family: ui-monospace, monospace;
  direction: ltr;
  text-align: left;
}