/* ASCII Studio website. Same design language as the app:
   black canvas, dot grid, sharp edges, hairlines, mono numerals, green only for value. */

:root {
  --canvas: #000;
  --grid-dot: rgba(255, 255, 255, 0.09);
  --panel: #141414;
  --panel-header: #1a1a1a;
  --field: #202020;
  --hairline: #2a2a2a;
  --field-border: #3a3a3a;
  --selected: #e6e6e6;
  --text: #f2f2f2;
  --text-2: #9a9a9a;
  --text-3: #6b6b6b;
  --green: #3fd28a;
  --green-fill: #0e2a1d;
  --green-border: #2e7d57;
  --brand-green: #7bc043;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --max: 1120px;
  --gutter: 20px;
}

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

body {
  margin: 0;
  background-color: var(--canvas);
  background-image: radial-gradient(var(--grid-dot) 1px, transparent 1.4px);
  background-size: 24px 24px;
  color: var(--text);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--selected); outline-offset: 3px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); }
.muted { color: var(--text-2); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 12px; z-index: 100; background: var(--text); color: #000; padding: 8px 12px; }

/* Section label: "/ FEATURES" */
.label {
  font: 500 13px/1 var(--sans);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  margin: 0 0 16px;
}
.label::before { content: "/ "; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(40px, 6.4vw, 76px); line-height: 1.02; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.1; }
h3 { font-size: 20px; line-height: 1.3; }
p { margin: 0; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 24px;
  font: 600 16px/1 var(--sans); text-decoration: none;
  border: 1px solid var(--field-border); background: var(--panel-header); color: var(--text);
  transition: transform .12s ease, opacity .12s ease, background .15s ease;
}
.btn:hover { background: var(--field); }
.btn:active { transform: scale(0.985); }
.btn-solid { background: var(--text); color: #000; border-color: var(--text); }
.btn-solid:hover { background: #fff; }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-small { min-height: 40px; padding: 0 16px; font-size: 14px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 11px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase;
  padding: 6px 8px; border: 1px solid var(--green-border); background: var(--green-fill); color: var(--green);
}
.pro {
  display: inline-flex; align-items: center; gap: 5px;
  font: 600 11px/1 var(--sans); letter-spacing: 0.14em;
  padding: 5px 7px; color: #2a2a2a; background: linear-gradient(#f4f4f4, #bdbdbd 60%, #e8e8e8);
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.82); backdrop-filter: saturate(140%) blur(10px); -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { color: var(--text-2); text-decoration: none; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
@media (max-width: 760px) { .nav { display: none; } .site-header .btn { margin-left: auto; } }

/* Hero */
.hero { padding: 72px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 em { font-style: normal; font-family: var(--mono); font-weight: 600; color: var(--brand-green); }
.hero .lede { font-size: 20px; color: var(--text-2); margin: 24px 0 32px; max-width: 34ch; }
.hero .cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero .reassure { margin-top: 18px; font-size: 14px; color: var(--text-3); }
.proof { display: flex; flex-wrap: wrap; gap: 0; margin-top: 40px; border: 1px solid var(--hairline); }
.proof div { flex: 1 1 140px; padding: 16px 18px; border-right: 1px solid var(--hairline); }
.proof div:last-child { border-right: 0; }
.proof b { display: block; font: 600 26px/1.1 var(--mono); }
.proof span { font-size: 13px; color: var(--text-2); }
@media (max-width: 900px) {
  .hero { padding-top: 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero .lede { font-size: 18px; }
}

/* Before / after */
.compare {
  position: relative; aspect-ratio: 4 / 5; width: 100%; max-width: 520px; margin-left: auto;
  border: 1px solid var(--hairline); background: #000; overflow: hidden;
  touch-action: pan-y; user-select: none; -webkit-user-select: none; cursor: ew-resize;
}
.compare canvas, .compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare .before { clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0); }
.compare .line { position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 2px; margin-left: -1px; background: #fff; }
.compare .handle {
  position: absolute; top: 50%; left: var(--pos, 50%); width: 44px; height: 44px; margin: -22px 0 0 -22px;
  background: #fff; color: #000; display: grid; place-items: center; border: 0; padding: 0; cursor: ew-resize;
}
.compare .tag {
  position: absolute; top: 14px; font: 600 11px/1 var(--sans); letter-spacing: 0.16em;
  padding: 5px 7px; background: rgba(0, 0, 0, 0.65); color: var(--text); pointer-events: none;
}
.compare .tag.l { left: 14px; } .compare .tag.r { right: 14px; }
@media (max-width: 900px) { .compare { margin: 0 auto; } }

/* Sections */
section { padding: 96px 0; }
section + section { border-top: 1px solid var(--hairline); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head p { margin-top: 16px; color: var(--text-2); font-size: 18px; }
@media (max-width: 700px) { section { padding: 64px 0; } }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--hairline); }
.steps li { list-style: none; padding: 28px; border-right: 1px solid var(--hairline); background: rgba(20, 20, 20, 0.6); }
.steps li:last-child { border-right: 0; }
.steps .n { font: 600 13px/1 var(--mono); color: var(--text-3); }
.steps h3 { margin: 18px 0 8px; }
.steps p { color: var(--text-2); font-size: 16px; }
.steps ol { margin: 0; padding: 0; }
@media (max-width: 800px) {
  .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .steps li:last-child { border-bottom: 0; }
}

.styles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.style-card { border: 1px solid var(--hairline); background: var(--panel); }
.style-card canvas { width: 100%; aspect-ratio: 1; display: block; background: #000; }
.style-card div { padding: 12px 14px; display: flex; justify-content: space-between; font-size: 14px; color: var(--text-2); }
.style-card b { color: var(--text); font-weight: 500; }
@media (max-width: 800px) { .styles-grid { grid-template-columns: repeat(2, 1fr); } }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--hairline); }
.feature { padding: 28px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.feature:nth-child(3n) { border-right: 0; }
.feature:nth-last-child(-n + 3) { border-bottom: 0; }
.feature .glyph { font: 600 22px/1 var(--mono); color: var(--brand-green); }
.feature h3 { margin: 16px 0 8px; font-size: 18px; }
.feature p { color: var(--text-2); font-size: 15px; }
@media (max-width: 860px) {
  .features { grid-template-columns: 1fr; }
  .feature { border-right: 0 !important; border-bottom: 1px solid var(--hairline) !important; }
  .feature:last-child { border-bottom: 0 !important; }
}

.marquee { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); overflow: hidden; padding: 14px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 28px; width: max-content; animation: slide 60s linear infinite; color: var(--text-2); }
.marquee-track span::after { content: "•"; margin-left: 28px; color: var(--text-3); }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: auto; } }

/* Pricing */
.pricing { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: stretch; }
.plan { border: 1px solid var(--hairline); background: var(--panel); padding: 32px; display: flex; flex-direction: column; }
.plan.featured { border: 1.5px solid var(--selected); box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.05); }
.plan h3 { display: flex; align-items: center; gap: 10px; font-size: 22px; }
.plan .price { margin: 20px 0 4px; font: 600 40px/1 var(--mono); }
.plan .price small { font: 400 16px/1 var(--sans); color: var(--text-2); }
.plan .price-alt { color: var(--text-2); font-size: 15px; }
.plan ul { list-style: none; padding: 0; margin: 24px 0 28px; display: grid; gap: 10px; }
.plan li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; color: var(--text); }
.plan li::before { content: "✓"; font-family: var(--mono); color: var(--green); }
.plan .btn { margin-top: auto; }
.plan .fine { margin-top: 14px; font-size: 13px; color: var(--text-3); }
.toggle { display: inline-flex; border: 1px solid var(--hairline); margin-top: 18px; }
.toggle button { font: 500 14px/1 var(--sans); padding: 10px 14px; background: transparent; color: var(--text-2); border: 0; cursor: pointer; }
.toggle button[aria-pressed="true"] { background: var(--hairline); color: var(--text); }
@media (max-width: 800px) { .pricing { grid-template-columns: 1fr; } .plan.featured { order: -1; } }

/* FAQ */
.faq { border-top: 1px solid var(--hairline); max-width: 820px; }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font-size: 18px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 400 22px/1 var(--mono); color: var(--text-2); }
.faq details[open] summary::after { content: "−"; }
.faq .a { padding: 0 0 22px; color: var(--text-2); max-width: 68ch; }
.faq .a p + p { margin-top: 10px; }

/* Final CTA */
.final { text-align: center; }
.final h2 { max-width: 16ch; margin: 0 auto; }
.final p { color: var(--text-2); margin: 16px auto 32px; max-width: 46ch; font-size: 18px; }
.final pre { font: 600 clamp(9px, 1.6vw, 14px)/1.1 var(--mono); color: var(--text-3); margin: 0 auto 32px; overflow: hidden; }

/* Footer */
.site-footer { border-top: 1px solid var(--hairline); padding: 48px 0 40px; color: var(--text-2); font-size: 14px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
.site-footer h4 { margin: 0 0 12px; font: 500 12px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.site-footer .legal-note { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid var(--hairline); font-size: 12px; color: var(--text-3); }
@media (max-width: 700px) { .site-footer .wrap { grid-template-columns: 1fr 1fr; } .site-footer .wrap > :first-child { grid-column: 1 / -1; } }

/* Documents (privacy, terms, support) */
.doc-hero { padding: 64px 0 24px; }
.doc-hero p { color: var(--text-2); margin-top: 12px; }
.doc { display: grid; grid-template-columns: 220px 1fr; gap: 56px; padding: 24px 0 96px; }
.toc { position: sticky; top: 88px; align-self: start; font-size: 14px; }
.toc ol { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; border-left: 1px solid var(--hairline); }
.toc a { display: block; padding-left: 14px; color: var(--text-2); text-decoration: none; }
.toc a:hover { color: var(--text); }
.prose { max-width: 720px; }
.prose h2 { font-size: 24px; margin: 48px 0 14px; scroll-margin-top: 88px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 18px; margin: 24px 0 8px; }
.prose p, .prose li { color: #c9c9c9; }
.prose p + p { margin-top: 12px; }
.prose ul { padding-left: 20px; margin: 12px 0; }
.prose li + li { margin-top: 6px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a { text-decoration-color: var(--text-3); text-underline-offset: 3px; }
.callout { border: 1px solid var(--hairline); background: var(--panel); padding: 20px 22px; margin: 20px 0; }
.callout p { color: var(--text-2); }
.todo { background: #3a2a10; color: #f2c46d; padding: 0 4px; font-family: var(--mono); font-size: 0.9em; }
@media (max-width: 860px) { .doc { grid-template-columns: 1fr; gap: 24px; } .toc { position: static; } }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 48px; }
.contact-card { border: 1px solid var(--hairline); background: var(--panel); padding: 22px; }
.contact-card h3 { font-size: 17px; margin-bottom: 6px; }
.contact-card p { color: var(--text-2); font-size: 15px; margin-bottom: 14px; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

/* Styles catalog: tabs (ASCII free / Pro effects) */
.tabs { display: flex; border-bottom: 1px solid var(--hairline); margin-bottom: 24px; overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tabs [role="tab"] {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 20px;
  font: 500 16px/1 var(--sans); color: var(--text-2); background: transparent; border: 0;
  border-bottom: 1.5px solid transparent; margin-bottom: -1px; cursor: pointer; white-space: nowrap;
}
.tabs [role="tab"]:hover { color: var(--text); }
.tabs [role="tab"][aria-selected="true"] { color: var(--text); border-bottom-color: var(--selected); }
.tabs .mono { font-size: 13px; color: var(--text-3); }
.tabs .tab-note { font: 600 11px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); border: 1px solid var(--hairline); padding: 5px 7px; }
.panel-note { color: var(--text-2); font-size: 15px; margin-bottom: 20px; max-width: 68ch; }

.styles-grid { grid-template-columns: repeat(5, 1fr); }
.styles-grid-4 { grid-template-columns: repeat(4, 1fr); }
.style-card { margin: 0; }
.style-card figcaption {
  padding: 12px 14px; display: grid; grid-template-columns: 1fr auto; align-items: center; row-gap: 4px;
  font-size: 14px; color: var(--text-2);
}
.style-card figcaption small { grid-column: 1 / -1; font-size: 12px; color: var(--text-3); }
.style-card .pro { padding: 4px 6px; font-size: 10px; white-space: nowrap; }
.style-card figcaption b { min-width: 0; }
.pro { white-space: nowrap; }
@media (max-width: 1000px) { .styles-grid { grid-template-columns: repeat(3, 1fr); } .styles-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .styles-grid, .styles-grid-4 { grid-template-columns: repeat(2, 1fr); } }

.effect-index {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-top: 32px;
  border: 1px solid var(--hairline); background: rgba(20, 20, 20, 0.6);
}
.effect-index > div { padding: 18px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); margin: 0 -1px -1px 0; }
.effect-index h4 { margin: 0 0 12px; font: 500 12px/1.3 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text); }
.effect-index h4::before { content: "/ "; color: var(--text-3); }
.effect-index h4 .mono { color: var(--text-3); letter-spacing: 0; margin-left: 4px; }
.effect-index ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; font-size: 14px; color: var(--text-2); }

/* Studio: live canvas + editor-style panel (Animate, Advanced) */
.studio { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.studio-canvas { position: relative; aspect-ratio: 4 / 5; border: 1px solid var(--hairline); background: #000; overflow: hidden; }
.studio-canvas canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.canvas-tag {
  position: absolute; top: 14px; left: 14px; font: 600 11px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase;
  padding: 5px 7px; background: rgba(0, 0, 0, 0.65); color: var(--text); pointer-events: none;
}
.play {
  position: absolute; right: 14px; bottom: 14px; width: 44px; height: 44px; display: grid; place-items: center;
  background: var(--text); color: #000; border: 0; font: 600 13px/1 var(--mono); cursor: pointer;
}
.panel { border: 1px solid var(--hairline); background: var(--panel); }
.panel-row { padding: 20px 22px; border-bottom: 1px solid var(--hairline); }
.panel-row .label { margin-bottom: 14px; font-size: 12px; }
.panel-foot { padding: 18px 22px; font-size: 14px; color: var(--text-3); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips button {
  min-height: 40px; padding: 0 14px; font: 500 14px/1 var(--sans); color: var(--text-2);
  background: var(--panel-header); border: 1px solid var(--hairline); cursor: pointer;
}
.chips button:hover { color: var(--text); }
.chips button[aria-pressed="true"] { color: var(--text); border: 1.5px solid var(--selected); padding: 0 13.5px; }
.slider-head { display: flex; justify-content: space-between; align-items: baseline; }
.slider-head output { font-size: 14px; color: var(--text); }

.slider { -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; margin: 0; cursor: pointer; }
.slider::-webkit-slider-runnable-track { height: 2px; background: linear-gradient(90deg, var(--text) var(--fill, 50%), var(--field-border) var(--fill, 50%)); }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -7px; background: #fff; border: 0; border-radius: 0; }
.slider::-moz-range-track { height: 2px; background: var(--field-border); }
.slider::-moz-range-progress { height: 2px; background: var(--text); }
.slider::-moz-range-thumb { width: 16px; height: 16px; background: #fff; border: 0; border-radius: 0; }
@media (max-width: 860px) { .studio { grid-template-columns: 1fr; } .studio-canvas { max-width: 520px; width: 100%; margin: 0 auto; } }

/* What's new */
.new-hero { display: grid; grid-template-columns: 1.1fr 0.9fr; border: 1px solid var(--hairline); background: var(--panel); margin-bottom: 16px; }
.new-media { position: relative; aspect-ratio: 4 / 3; background: #000; border-right: 1px solid var(--hairline); }
.new-media video { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.new-media canvas { position: absolute; inset: 0 0 56px; width: 100%; height: calc(100% - 56px); display: block; }
.timeline {
  position: absolute; left: 0; right: 0; bottom: 0; height: 56px; display: flex; align-items: center; gap: 14px;
  padding: 0 16px; border-top: 1px solid var(--hairline); background: var(--panel-header);
}
.timeline .mono { font-size: 12px; color: var(--text-2); min-width: 92px; text-align: right; }
.timeline-bar {
  position: relative; flex: 1; height: 28px; border: 1px solid var(--hairline);
  background: repeating-linear-gradient(90deg, #202020 0 22px, #262626 22px 23px);
}
.timeline-bar .trim { position: absolute; top: -2px; bottom: -2px; width: 8px; background: var(--text); }
.timeline-bar .trim.l { left: 6%; } .timeline-bar .trim.r { right: 10%; }
.timeline-bar::before { content: ""; position: absolute; top: 0; bottom: 0; left: 6%; right: 10%; border-top: 2px solid var(--text); border-bottom: 2px solid var(--text); }
.timeline-bar .playhead { position: absolute; top: -6px; bottom: -6px; width: 2px; margin-left: -1px; background: #fff; left: 0; }
.new-copy { padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.new-copy h3 { font-size: 28px; margin: 16px 0 12px; }
.new-copy p { color: var(--text-2); }
.new-tag { align-self: flex-start; font: 600 11px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase; padding: 5px 7px; border: 1px solid var(--selected); color: var(--text); }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; gap: 8px; font-size: 15px; }
.ticks li::before { content: "→"; font-family: var(--mono); color: var(--text-3); }
.new-grid .feature h3 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.new-grid .pro { padding: 4px 6px; font-size: 10px; }
@media (max-width: 860px) {
  .new-hero { grid-template-columns: 1fr; }
  .new-media { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .new-copy { padding: 28px 24px; }
}

/* Advanced: character lab + spec sheet */
.charsets { margin: 0; }
.charsets fieldset { border: 0; border-bottom: 1px solid var(--hairline); margin: 0; padding: 16px 22px; }
.charsets legend { float: left; width: 100%; margin-bottom: 8px; font: 500 12px/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); }
.charsets legend::before { content: "/ "; }
.charsets fieldset:last-child { border-bottom: 0; }
.charsets label { display: grid; grid-template-columns: 18px 120px 1fr; align-items: center; gap: 10px; min-height: 36px; cursor: pointer; font-size: 15px; clear: both; }
.charsets label .mono { color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.charsets label:has(input:checked) span { color: var(--text); }
.charsets input[type="radio"] {
  -webkit-appearance: none; appearance: none; width: 14px; height: 14px; margin: 0; border: 1px solid var(--field-border); background: transparent;
}
.charsets input[type="radio"]:checked { border: 1.5px solid var(--selected); background: radial-gradient(var(--selected) 0 0) center / 6px 6px no-repeat; }
.charsets .field {
  width: 100%; min-height: 44px; margin-top: 8px; padding: 0 12px; font-size: 18px; color: var(--text);
  background: var(--field); border: 1px solid var(--field-border); border-radius: 0; outline-offset: 0;
}
.charsets .hint { margin-top: 10px; font-size: 13px; color: var(--text-3); }
.charsets .hint .mono { color: var(--text); }
.lab .studio-canvas { position: sticky; top: 88px; }
@media (max-width: 860px) { .lab .studio-canvas { position: relative; top: 0; } }

.specs { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 16px; border: 1px solid var(--hairline); }
.spec { padding: 24px; border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.spec:nth-child(3n) { border-right: 0; }
.spec:nth-last-child(-n + 3) { border-bottom: 0; }
.spec h3.label { margin-bottom: 14px; font-size: 12px; display: flex; align-items: center; gap: 8px; }
.spec .ai { font: 600 10px/1 var(--mono); letter-spacing: 0.1em; padding: 3px 5px; border: 1px solid var(--green-border); background: var(--green-fill); color: var(--green); }
.spec dl { margin: 0; display: grid; }
.spec dl div { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-top: 1px solid var(--hairline); font-size: 14px; }
.spec dt { color: var(--text-2); }
.spec dd { margin: 0; font-family: var(--mono); font-size: 13px; color: var(--text); text-align: right; }
@media (max-width: 900px) {
  .specs { grid-template-columns: 1fr 1fr; }
  .spec { border-right: 1px solid var(--hairline) !important; border-bottom: 1px solid var(--hairline) !important; }
  .spec:nth-child(2n) { border-right: 0 !important; }
  .spec:nth-last-child(-n + 2) { border-bottom: 0 !important; }
}
@media (max-width: 600px) {
  .specs { grid-template-columns: 1fr; }
  .spec { border-right: 0 !important; border-bottom: 1px solid var(--hairline) !important; }
  .spec:last-child { border-bottom: 0 !important; }
  .charsets label { grid-template-columns: 18px 100px 1fr; }
}
@media (max-width: 600px) {
  .tabs [role="tab"] { padding: 0 10px; gap: 6px; font-size: 15px; }
  .tabs .tab-note { display: none; }
}