:root {
  --bg: #f4f6f8; --fg: #14171c; --muted: #5b6370; --card: #fff; --line: #dde2e8;
  --accent: #1366d6; --accent-fg: #fff; --ok: #1f8a4c; --warn: #a15c00; --err: #b42318; --bar: #e8ecf1; --soft: #eaf2fd;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #0f1216; --fg: #e8ebef; --muted: #9aa2ae; --card: #191d23; --line: #2b313a;
    --accent: #4b93f2; --ok: #45c27d; --warn: #f0a640; --err: #ff7a70; --bar: #272d36; --soft: #1a2738; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, "Segoe UI", Roboto, sans-serif; }
main.sr { max-width: 920px; margin: 0 auto; padding: 28px 16px 48px; }
h1 { margin: 0; font-size: 28px; line-height: 1.2; }
h2 { font-size: 17px; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.sub { margin: 6px 0 18px; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
input, select, button, textarea { font: inherit; color: inherit; }
button { padding: 10px 18px; border: 0; border-radius: 10px; background: var(--accent); color: var(--accent-fg); cursor: pointer; font-weight: 600; }
button:disabled { opacity: .5; cursor: default; }
button.secondary { background: var(--soft); color: var(--accent); }
button.ghost { background: none; color: var(--muted); padding: 4px 8px; font-weight: 500; text-decoration: underline; }
input[type=text], input[type=search], input[type=number], select, textarea { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); }
textarea { resize: vertical; }

.sr-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.lang { display: flex; gap: 2px; }
.lang button, .lang a { padding: 4px 8px; background: none; color: var(--muted); font-weight: 500; text-decoration: none; }
.lang [aria-pressed="true"], .lang [aria-current="page"] { color: var(--fg); font-weight: 700; }

.tabs { display: flex; gap: 4px; margin: 8px 0 0; border-bottom: 1px solid var(--line); }
.tabs button { background: none; color: var(--muted); border-radius: 10px 10px 0 0; padding: 8px 14px; }
.tabs button[aria-selected="true"] { color: var(--fg); background: var(--card); border: 1px solid var(--line); border-bottom-color: var(--card); margin-bottom: -1px; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-top: 16px; }
.num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-fg); font-size: 13px; }
.note { margin: 10px 0; padding: 10px 12px; border-radius: 10px; background: var(--bar); font-size: 14px; }
.note.err { color: var(--err); }
.note.resume { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; background: var(--soft); }

.dev-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.dev-card { margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: var(--bar); font-size: 14px; }
.dev-card b { display: block; }
.dev-card ul { margin: 4px 0 0; padding-left: 18px; }
.spec { margin-top: 10px; font-size: 14px; }
.spec summary { cursor: pointer; color: var(--accent); }
.spec textarea { margin: 8px 0; }

.drop { position: relative; display: grid; gap: 6px; place-items: center; text-align: center; padding: 26px 16px; border: 2px dashed var(--line); border-radius: 14px; cursor: pointer; }
.drop:hover, .drop.over { border-color: var(--accent); background: var(--soft); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop strong { font-size: 17px; }
.drop-btns { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }

.list-head { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; font-weight: 600; }
.table-wrap { overflow-x: auto; margin-top: 6px; }
#list { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
#list th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; padding: 4px 6px; border-bottom: 1px solid var(--line); }
#list td { padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
#list .fname { font-weight: 500; overflow-wrap: anywhere; }
#list .out { color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
#list .src { font-size: 12px; color: var(--muted); min-width: 140px; }
#list progress { width: 120px; height: 6px; display: block; margin-top: 4px; }
#list button.x { padding: 0 6px; color: var(--muted); background: none; font-size: 18px; line-height: 1; }
.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.chip.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.chip.audio { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }
.chip.video, .chip.wasm { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.chip.bad { background: color-mix(in srgb, var(--err) 15%, transparent); color: var(--err); }
.why { margin: 4px 0 0; padding-left: 16px; font-size: 12px; }
.why li.bad { color: var(--err); }
.why li.warn { color: var(--warn); }
.why li.ok { color: var(--ok); }
.why li.info { color: var(--muted); }
details.why-d summary { cursor: pointer; font-size: 12px; color: var(--accent); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; }
.field { display: grid; gap: 3px; margin: 6px 0; font-size: 14px; }
.field > span:first-child { font-weight: 600; font-size: 13px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 8px 0; font-size: 14px; }
.check input { margin-top: 4px; }

.fit, .total { margin-top: 12px; font-size: 14px; }
.bar { height: 10px; border-radius: 999px; background: var(--bar); overflow: hidden; margin-bottom: 4px; }
.bar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.fit.over .bar i { background: var(--err); }
.go-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.matrix { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 10px; }
.matrix td, .matrix th { padding: 5px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tracks { width: 100%; border-collapse: collapse; font-size: 13px; margin: 8px 0; }
.tracks td, .tracks th { padding: 4px 6px; border-bottom: 1px solid var(--line); text-align: left; }

/* сайт: шапка, статья, подвал, реклама */
.brandbar { display: flex; gap: 16px; align-items: center; margin-bottom: 14px; font-size: 14px; }
.brandbar a.brand { margin-right: auto; }
.brandbar a { color: var(--muted); text-decoration: none; }
.brandbar a.brand { color: var(--fg); font-weight: 800; font-size: 18px; letter-spacing: -.01em; }
.brandbar a.brand span { color: var(--accent); }
article.seo { margin-top: 28px; line-height: 1.65; }
article.seo h2 { font-size: 21px; margin: 26px 0 8px; display: block; }
article.seo table { width: 100%; border-collapse: collapse; font-size: 14px; }
article.seo td, article.seo th { padding: 6px 8px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
article.seo details { margin: 6px 0; padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
article.seo summary { cursor: pointer; font-weight: 600; }
a { color: var(--accent); }
.site-foot { margin-top: 32px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.ad-slot { margin: 20px 0; min-height: 250px; /* место под адаптивный блок AdSense заранее — без сдвига вёрстки (CLS) */ }

@media (max-width: 640px) {
  .dev-row, .grid2 { grid-template-columns: 1fr; }
  h1 { font-size: 23px; }
  .sr-head { flex-direction: column-reverse; gap: 6px; }
  #list .src { min-width: 0; }
}
.brandbar .langs { display: flex; gap: 6px; font-size: 13px; }
.brandbar .langs a[aria-current="page"] { color: var(--fg); font-weight: 600; }