/* iTantra reviewer site.
   Direction: the app's own field-radio look. Dark ground like the app and its diagrams,
   saffron for transmit and actions, teal for receive and system, a thin tricolour strip
   under the header (the same one the app draws), IBM Plex throughout, mono for data. */
:root {
  --bg: #0E1013;
  --surface: #161920;
  --raised: #1D2129;
  --line: #2A2F39;
  --ink: #ECEAE5;
  --muted: #A0A6B0;
  --faint: #6F7682;
  --saffron: #F97316;
  --saffron-ink: #1A0E05;
  --saffron-soft: rgba(249, 115, 22, .12);
  --teal: #2DD4BF;
  --teal-soft: rgba(45, 212, 191, .10);
  --green: #22C55E;
  --green-soft: rgba(34, 197, 94, .12);
  --red: #F87171;
  --white-strip: #F2F2EF;
  --indigo: #1E2A78;

  --display: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --indic: "Noto Sans Devanagari", "IBM Plex Sans", system-ui, sans-serif;

  --gutter: clamp(16px, 4vw, 40px);
  --max: 1180px;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 16px/1.65 var(--body); }
img, video { max-width: 100%; display: block; }
a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; border-radius: 4px; }
code, pre { font-family: var(--mono); }
code { font-size: .92em; }
h1, h2, h3 { text-wrap: balance; }
p, li { max-width: 70ch; }
[hidden] { display: none !important; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--saffron); color: var(--saffron-ink); padding: 8px 14px; border-radius: 6px; z-index: 100; }
.skip:focus { left: 8px; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- header ---------- */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(14, 16, 19, .88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); padding-top: env(safe-area-inset-top, 0px); }
.bar-in { max-width: var(--max); margin: 0 auto; padding: 12px var(--gutter); display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 700 20px/1 var(--display); letter-spacing: .02em; }
.brand img { border-radius: 8px; }
.topbar nav { display: flex; gap: 22px; margin-left: auto; }
.topbar nav a { color: var(--muted); text-decoration: none; font: 500 14px/1 var(--body); }
.topbar nav a:hover, .topbar nav a[aria-current="true"] { color: var(--ink); }
.tricolour { display: grid; grid-template-columns: repeat(3, 1fr); height: 3px; }
.tricolour span:nth-child(1) { background: var(--saffron); }
.tricolour span:nth-child(2) { background: var(--white-strip); }
.tricolour span:nth-child(3) { background: #138808; }
.topbar { position: sticky; }
.menu-btn { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; padding: 0; place-items: center; }
.menu-btn svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 2; stroke-linecap: round; fill: none; }
.menu-btn path { transition: transform .2s ease, opacity .2s ease; transform-origin: 12px 12px; }
.menu-btn[aria-expanded="true"] .l1 { transform: translateY(5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .l2 { opacity: 0; }
.menu-btn[aria-expanded="true"] .l3 { transform: translateY(-5px) rotate(-45deg); }
@media (max-width: 860px) {
  .bar-in { gap: 12px; }
  .bar-in .btn-sm { margin-left: auto; }
  .menu-btn { display: grid; }
  .topbar nav { display: none; position: absolute; left: 0; right: 0; top: 100%; margin: 0; flex-direction: column; gap: 0; padding: 8px var(--gutter) 16px; background: rgba(14, 16, 19, .98); border-bottom: 1px solid var(--line); box-shadow: 0 20px 40px rgba(0, 0, 0, .5); }
  .topbar.open nav { display: flex; }
  .topbar nav a { font-size: 17px; padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .topbar nav a:last-child { border-bottom: 0; }
}

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font: 600 16px/1 var(--body); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform .15s ease, background-color .15s ease, border-color .15s ease; }
.btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.btn-ghost svg { fill: currentColor; stroke: none; }
.btn-primary { background: var(--saffron); color: var(--saffron-ink); }
.btn-primary:hover { background: #FB8A3C; color: var(--saffron-ink); transform: translateY(-1px); }
.btn-meta { font: 500 13px/1 var(--mono); opacity: .75; padding-left: 10px; border-left: 1px solid rgba(26, 14, 5, .3); }
.btn-ghost { color: var(--ink); border-color: var(--line); background: var(--surface); }
.btn-ghost:hover { border-color: var(--teal); color: var(--ink); }
.btn-sm { padding: 9px 16px; font-size: 14px; background: var(--saffron); color: var(--saffron-ink); }
.btn-sm:hover { color: var(--saffron-ink); background: #FB8A3C; }

/* ---------- common section parts ---------- */
section { padding-block: clamp(56px, 8vw, 96px); border-top: 1px solid var(--line); }
section.hero { border-top: 0; padding-block: clamp(40px, 6vw, 72px) 40px; }
.eyebrow { font: 500 12px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--saffron); margin: 0 0 14px; }
h2 { font: 700 clamp(30px, 4.2vw, 44px)/1.08 var(--display); margin: 0 0 18px; letter-spacing: -.005em; }
h3 { font: 600 18px/1.3 var(--body); margin: 0 0 8px; }
.sub { font: 700 22px/1.2 var(--display); margin: 56px 0 18px; }
.lede { font-size: 18px; color: var(--muted); margin: 0 0 32px; max-width: 64ch; }
.note { font-size: 14px; color: var(--faint); }
.small { font-size: 13px; color: var(--faint); }

.pill { display: inline-block; font: 600 11px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 5px 8px; border-radius: 4px; border: 1px solid; vertical-align: 2px; }
.pill.built { color: var(--green); border-color: var(--green); background: var(--green-soft); }
.pill.part { color: var(--saffron); border-color: var(--saffron); border-style: dashed; background: var(--saffron-soft); }
.pill.plan { color: var(--teal); border-color: var(--teal); background: var(--teal-soft); }

.copy { font: 500 12px/1 var(--mono); color: var(--muted); background: var(--raised); border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; cursor: pointer; }
.copy:hover { color: var(--ink); border-color: var(--teal); }
.copy.done { color: var(--green); border-color: var(--green); }

/* ---------- hero ---------- */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.hero h1 { font: 700 clamp(36px, 4.4vw, 58px)/1.04 var(--display); margin: 0 0 22px; letter-spacing: -.015em; }
.hero h1 em { font-style: normal; color: var(--saffron); }
.hero .lede { font-size: clamp(17px, 1.6vw, 19px); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 28px; }
.apk-facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 12px 32px; margin: 0; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.apk-facts div { min-width: 0; }
.apk-facts dt { font: 500 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.apk-facts dd { margin: 2px 0 0; font-size: 14px; }
.apk-facts .sha { grid-column: 1 / -1; }
.apk-facts .sha dd { display: flex; align-items: center; gap: 10px; }
.apk-facts .sha code { font-size: 12px; color: var(--muted); overflow-wrap: anywhere; min-width: 0; }
@media (max-width: 620px) { .apk-facts { grid-template-columns: 1fr 1fr; } }

.phone { margin: 0; justify-self: center; width: min(100%, 320px); }
.phone img { width: 100%; height: auto; border-radius: 34px; border: 8px solid #05070A; box-shadow: 0 0 0 1px var(--line), 0 30px 80px -20px rgba(249, 115, 22, .28); }
.phone figcaption { font-size: 13px; color: var(--faint); text-align: center; margin-top: 14px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); } .phone { width: min(78%, 300px); } }

.langs { list-style: none; margin: 48px 0 0; padding: 18px 0 0; border-top: 1px dashed var(--line); display: flex; flex-wrap: wrap; gap: 10px 22px; }
.langs li { font: 500 17px/1.3 var(--indic); color: var(--muted); }

/* ---------- problem ---------- */
.two { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.prose p { margin: 0 0 16px; color: var(--muted); }
.prose strong { color: var(--ink); }
@media (max-width: 900px) { .two { grid-template-columns: minmax(0, 1fr); } }
.bars { display: grid; gap: 12px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.bar { display: grid; grid-template-columns: minmax(120px, 210px) minmax(0, 1fr) 84px; gap: 14px; align-items: center; font-size: 14px; }
.bar .k { color: var(--muted); }
.bar .t { height: 12px; background: var(--raised); border-radius: 2px; position: relative; }
.bar .t i { position: absolute; inset: 0 auto 0 0; width: var(--w); background: #525A67; border-radius: 2px; }
.bar.hi .t i { background: var(--saffron); opacity: .6; }
.bar.best .t i { opacity: 1; }
.bar.best .k, .bar.best .v { color: var(--ink); font-weight: 600; }
.bar.ref { border-top: 1px dashed var(--line); padding-top: 12px; }
.bar.ref .t i { background: transparent; border-right: 2px dashed var(--teal); border-radius: 0; }
.bar.ref .k, .bar.ref .v { color: var(--teal); }
.bar .v { font: 500 13px/1 var(--mono); text-align: right; font-variant-numeric: tabular-nums; }
@media (max-width: 520px) { .bar { grid-template-columns: minmax(0, 1fr) auto; } .bar .t { grid-column: 1 / -1; order: 3; } }

/* ---------- how ---------- */
.steps { list-style: none; counter-reset: step; margin: 8px 0 40px; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.steps li { counter-increment: step; padding: 22px 20px; background: var(--surface); border-right: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.steps li:last-child { border-right: 0; }
.steps li::before { content: "0" counter(step); font: 600 13px/1 var(--mono); color: var(--saffron); }
.steps li:nth-child(n+4)::before { color: var(--teal); }
.steps b { font: 700 20px/1.1 var(--display); }
.steps span { font-size: 14px; color: var(--muted); }
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); }
  .steps li { border-right: 0; }
  .steps li:last-child { grid-column: 1 / -1; }
}
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }

.frame { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; overflow-x: auto; }
.frame-title { font: 600 15px/1.3 var(--body); margin: 0 0 14px; display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; }
.frame-title span { font: 500 12px/1 var(--mono); color: var(--faint); }
.frame-row { display: flex; min-width: 720px; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.frame-row span { flex: var(--b) 1 0; padding: 10px 8px; border-right: 1px solid var(--line); font: 500 12px/1.3 var(--mono); color: var(--muted); background: var(--raised); display: grid; gap: 4px; }
.frame-row span:last-child { border-right: 0; }
.frame-row small { font-size: 11px; color: var(--faint); }
.frame-row .payload { background: var(--saffron-soft); color: var(--ink); }
.frame-row .payload small { color: var(--saffron); }
@media (max-width: 900px) {
  .frame-row { min-width: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); }
  .frame-row span { border-right: 0; }
  .frame-row .payload { grid-column: 1 / -1; }
  .frame-row span:nth-child(7) { grid-column: span 2; }
}
.frame-foot { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; max-width: none; }
.frame-foot .opt { font: 500 12px/1 var(--mono); color: var(--teal); border: 1px dashed var(--teal); border-radius: 4px; padding: 6px 8px; }

.diagrams { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; }
@media (max-width: 560px) { .diagrams { grid-template-columns: minmax(0, 1fr); } }

/* ---------- screenshot tiles ---------- */
.shot { display: grid; gap: 10px; text-decoration: none; color: var(--muted); font-size: 14px; min-width: 0; }
.shot img { width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line); background: var(--surface); transition: transform .2s ease, border-color .2s ease; }
.shot.wide img { aspect-ratio: 16 / 10; object-fit: contain; background: #111317; border-radius: 8px; }
.shot:hover { color: var(--ink); }
.shot:hover img { border-color: var(--saffron); transform: translateY(-2px); }
.gallery { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 22px 18px; }
@media (max-width: 700px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 12px; } }
.shot.dash { margin-top: 36px; }
.shot.dash img { border-radius: 10px; }

/* ---------- features ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1060px) { .feat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .feat-grid { grid-template-columns: minmax(0, 1fr); } }
.feat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: grid; gap: 8px; align-content: start; }
.feat h3 { margin: 4px 0 0; }
.feat p { margin: 0; font-size: 14px; color: var(--muted); }
.feat .pill { justify-self: start; }

/* ---------- demo ---------- */
.explainer { margin: 0 0 32px; }
.explainer video { width: 100%; height: auto; aspect-ratio: 16 / 9; border-radius: var(--radius); border: 1px solid var(--line); background: #000; }
.explainer figcaption { font-size: 14px; color: var(--faint); margin-top: 10px; }
.clips { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 18px; }
@media (max-width: 700px) { .clips { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 12px; } }
.clips figure { margin: 0; display: grid; gap: 10px; align-content: start; min-width: 0; }
.clips video { width: 100%; height: auto; aspect-ratio: 9 / 20; object-fit: cover; border-radius: 14px; border: 1px solid var(--line); background: #000; }
.clips figcaption { font-size: 13px; color: var(--muted); }
.clips figcaption b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 2px; }

/* ---------- results ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 0 0 24px; }
@media (max-width: 860px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.stat { background: var(--surface); padding: 20px; display: grid; gap: 6px; align-content: start; }
.stat .n { font: 700 34px/1 var(--display); font-variant-numeric: tabular-nums; color: var(--ink); }
.stat .l { font-size: 13px; color: var(--muted); }
.tbl { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin: 0 0 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 560px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
th { font: 500 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); background: var(--raised); }
td { color: var(--muted); }
td:first-child { color: var(--ink); }
@media (max-width: 640px) {
  .tbl.rows table, .tbl.pairs table { min-width: 0; }
  .tbl.rows thead, .tbl.pairs thead { display: none; }
  .tbl.rows tr, .tbl.pairs tr { display: grid; border-bottom: 1px solid var(--line); padding: 12px 16px; gap: 4px 12px; }
  .tbl.rows tbody tr:last-child, .tbl.pairs tbody tr:last-child { border-bottom: 0; }
  .tbl.rows td, .tbl.pairs td { border: 0; padding: 0; }
  .tbl.rows tr { grid-template-columns: minmax(0, 1fr) auto; }
  .tbl.rows td:nth-child(3) { grid-column: 1 / -1; font-size: 13px; }
  .tbl.pairs td:first-child { font: 500 11px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
}
.num { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }

/* ---------- stack ---------- */
.models { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 0 0 24px; }
@media (max-width: 1000px) { .models { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .models { grid-template-columns: minmax(0, 1fr); } }
.models article { padding: 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); border-top: 3px solid var(--teal); }
.models h3 { font: 700 22px/1.1 var(--display); margin: 0 0 4px; }
.models .who { font: 500 12px/1.4 var(--mono); color: var(--teal); margin: 0 0 10px; }
.models p { margin: 0; font-size: 14px; color: var(--muted); }

/* ---------- try / guide ---------- */
.guide { list-style: none; counter-reset: g; margin: 0; padding: 0; display: grid; gap: 0; }
.guide > li { counter-increment: g; position: relative; min-width: 0; max-width: none; padding: 0 0 32px 56px; border-left: 2px solid var(--line); margin-left: 17px; }
.guide > li:last-child { border-left-color: transparent; padding-bottom: 8px; }
.guide > li::before { content: counter(g); position: absolute; left: -18px; top: -4px; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--saffron); color: var(--saffron-ink); font: 700 16px/1 var(--mono); }
.guide h3 { font: 700 22px/1.2 var(--display); margin: 0 0 10px; }
.guide p { color: var(--muted); margin: 0 0 12px; }
.guide em { font-style: normal; color: var(--ink); }
.try-list { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 6px; }
@media (max-width: 560px) { .guide > li { padding-left: 36px; margin-left: 17px; } }

.tabs { max-width: 860px; display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 0; }
.tabs button { font: 500 13px/1 var(--body); color: var(--muted); background: transparent; border: 1px solid var(--line); border-bottom: 0; border-radius: 8px 8px 0 0; padding: 10px 14px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--ink); background: var(--surface); border-color: var(--saffron); }
.panel { position: relative; max-width: 860px; background: var(--surface); border: 1px solid var(--line); border-radius: 0 var(--radius) var(--radius) var(--radius); padding: 16px 18px; margin: 0 0 12px; min-width: 0; }
.panel p { font-size: 14px; }
.panel pre { margin: 0; overflow-x: auto; font-size: 13.5px; line-height: 1.7; color: var(--ink); padding-right: 72px; }
.panel pre + .copy, .panel > .copy { position: absolute; top: 12px; right: 12px; }

.known { margin-top: 24px; padding: 18px 22px; border-radius: var(--radius); border: 1px dashed var(--line); }
.known h3 { font: 700 18px/1.2 var(--display); }
.known ul { margin: 0; padding-left: 20px; color: var(--muted); font-size: 14px; display: grid; gap: 4px; }

/* ---------- roadmap ---------- */
.road { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 1000px) { .road { grid-template-columns: minmax(0, 1fr); } }
.road li { padding: 18px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.road b { font: 700 19px/1.15 var(--display); }
.road span { font-size: 14px; color: var(--muted); }
.road li.done { border-color: var(--green); }
.road li.done::before, .road li.now::before { font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.road li.done::before { content: "Done"; color: var(--green); }
.road li.now { border-color: var(--saffron); }
.road li.now::before { content: "In progress"; color: var(--saffron); }

/* ---------- refs + footer ---------- */
.refs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.refs ul { margin: 0; padding-left: 18px; color: var(--muted); display: grid; gap: 6px; font-size: 15px; }
@media (max-width: 760px) { .refs { grid-template-columns: minmax(0, 1fr); } }
footer { border-top: 1px solid var(--line); padding-block: 40px calc(40px + env(safe-area-inset-bottom, 0px)); background: #0A0C0E; }
.foot { display: grid; gap: 18px; }
.foot-brand { display: flex; gap: 14px; align-items: center; }
.foot-brand img { border-radius: 10px; }
.foot-brand b { display: block; font: 700 20px/1.1 var(--display); }
.foot-brand span { font-size: 14px; color: var(--muted); }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.foot nav a { color: var(--ink); font-size: 15px; }

/* ---------- lightbox ---------- */
#lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; overflow: visible; }
#lightbox::backdrop { background: rgba(5, 6, 8, .9); }
#lightbox img { max-width: 94vw; max-height: 86vh; width: auto; height: auto; border-radius: 12px; margin: 0 auto; }
#lightbox .lb-cap { color: var(--muted); text-align: center; font-size: 14px; margin: 12px auto 0; }
.lb-close { position: fixed; top: calc(12px + env(safe-area-inset-top, 0px)); right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-size: 26px; line-height: 1; cursor: pointer; }

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