:root {
  --bg: #f6f7f9; --surface: #ffffff; --text: #1d2433; --muted: #5b6475; --line: #e3e6eb;
  --accent: #2557c5; --accent-weak: #e9effc;
  --green: #1f7a4d; --green-bg: #e6f4ec; --yellow: #8a5a00; --yellow-bg: #fff3d6;
  --red: #a8321d; --red-bg: #fbe9e5; --grey: #4b5563; --grey-bg: #eef0f3;
  --radius: 10px; --shadow: 0 1px 2px rgba(16, 24, 40, .06);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.25rem 0 .5rem; }
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.topbar-inner { max-width: 1200px; margin: 0 auto; padding: .5rem 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); letter-spacing: .02em; }
.nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; flex-basis: 100%; order: 3; }
.nav a { color: var(--muted); padding: .25rem 0; }
.nav a.active { color: var(--text); font-weight: 600; }
.nav-toggle { display: none; }
.burger { display: none; cursor: pointer; padding: .7rem .6rem; margin-left: auto; border-radius: 8px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; }
.nav-toggle:focus-visible + .burger { outline: 2px solid var(--accent); outline-offset: 2px; }
.userbox { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-left: auto; color: var(--muted); font-size: .85rem; }
.counters span { margin-left: .5rem; }
.page { max-width: 1200px; margin: 0 auto; padding: 1.25rem 1rem 3rem; overflow-wrap: break-word; }
.foot { max-width: 1200px; margin: 0 auto; padding: 1rem; color: var(--muted); font-size: .8rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.25rem; box-shadow: var(--shadow); margin-bottom: 1rem; }
.card.narrow { max-width: 420px; margin: 3rem auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
a.card.tool { color: inherit; }
.grid > .card { margin-bottom: 0; }
a.card.tool:hover { text-decoration: none; border-color: var(--accent); }
.tool h2 { margin-top: 0; color: var(--text); }
.tool p { color: var(--muted); margin: 0; }
.stack { display: flex; flex-direction: column; gap: .75rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
label { display: flex; flex-direction: column; gap: .25rem; font-weight: 500; }
label.check { flex-direction: row; align-items: center; font-weight: 400; gap: .4rem; }
input, textarea, select { font: inherit; padding: .5rem .6rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); width: 100%; }
input[type=checkbox], input[type=radio] { width: auto; }
input[type=range] { padding: 0; }
textarea { min-height: 9rem; resize: vertical; }
.btn { font: inherit; border: 1px solid var(--line); background: var(--surface); color: var(--text); padding: .5rem .9rem; border-radius: 8px; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
form.inline { display: inline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.error { color: var(--red); }
.ok { color: var(--green); }
.note { background: var(--yellow-bg); color: var(--yellow); border: 1px solid var(--yellow); border-radius: var(--radius); padding: .75rem 1rem; margin: 1rem 0; }
.note ul { margin: .4rem 0 0; padding-left: 1.2rem; }
.muted { color: var(--muted); }
.chip { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.chip-green { background: var(--green-bg); color: var(--green); }
.chip-yellow { background: var(--yellow-bg); color: var(--yellow); }
.chip-red { background: var(--red-bg); color: var(--red); }
.chip-grey { background: var(--grey-bg); color: var(--grey); }
mark { padding: 0 .1em; border-radius: 3px; }
mark.st-anglicism, mark.st-latin, mark.st-unknown { background: var(--red-bg); color: var(--red); }
mark.st-russian_nonnormative { background: var(--yellow-bg); color: var(--yellow); }
del { background: var(--red-bg); color: var(--red); }
ins { background: var(--green-bg); color: var(--green); text-decoration: none; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.table-wrap { overflow-x: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; margin: 1rem 0; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem 1rem; }
.tile b { display: block; font-size: 1.4rem; }
.tile span { color: var(--muted); font-size: .85rem; }
.progress { height: 8px; background: var(--grey-bg); border-radius: 999px; overflow: hidden; }
.progress > div { height: 100%; background: var(--accent); transition: width .3s; }
.job-current { overflow-wrap: anywhere; }
.tabs { display: flex; gap: .5rem; border-bottom: 1px solid var(--line); margin-bottom: 1rem; flex-wrap: wrap; }
.tabs button { background: none; border: 0; padding: .5rem .25rem; cursor: pointer; font: inherit; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--text); border-bottom-color: var(--accent); }
[data-panel][hidden] { display: none; }
.dropzone { border: 2px dashed var(--line); border-radius: var(--radius); padding: 1.5rem; text-align: center; color: var(--muted); }
.dropzone.over { border-color: var(--accent); background: var(--accent-weak); }
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator, .htmx-request.htmx-indicator { display: inline; }
.textview { white-space: pre-wrap; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.article { border-left: 3px solid var(--line); padding-left: .75rem; margin: .5rem 0; }
.examples { display: flex; flex-wrap: wrap; gap: .5rem; }
.word-input { max-width: 420px; }
.wide-input { max-width: 420px; }
.mid-input { max-width: 220px; }
.repl-input { max-width: 180px; }
.card > h2:first-child { margin-top: 0; }
.form-flag { color: var(--yellow); cursor: help; font-size: .8em; margin-left: .1em; }
.form-legend { margin: .5rem 0 0; }
.card-title { margin-top: 0; display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; }
.article-text { margin: .35rem 0; overflow-wrap: anywhere; }
.fixed-text { min-height: 9rem; margin-bottom: .5rem; }
.textview { overflow-wrap: anywhere; max-height: 28rem; overflow: auto; }
@media (max-width: 860px) {
  /* Флажок остаётся в потоке для клавиатуры, но невидим: бургер рисует его состояние */
  .nav-toggle { display: block; position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
  .burger { display: block; }
  .nav { display: none; order: 0; flex-direction: column; gap: .25rem; }
  .nav a { padding: .5rem 0; }
  .nav-toggle:checked ~ .nav { display: flex; }
  .userbox { flex-basis: 100%; margin-left: 0; }
  .counters span { margin-left: 0; margin-right: .5rem; }
  .card.narrow { margin: 1.5rem auto; }
  .page { padding: 1rem .75rem 2rem; }
  input, textarea, select { font-size: 16px; } /* iOS не приближает страницу при фокусе */
  th, td { padding: .4rem; }
  /* Таблица слов на телефоне: каждая строка — карточка с подписями полей */
  .stack-table thead { display: none; }
  .stack-table, .stack-table tbody, .stack-table tr, .stack-table td { display: block; width: 100%; }
  .stack-table tr { border-bottom: 1px solid var(--line); padding: .5rem 0; }
  .stack-table td { border: 0; padding: .15rem 0; }
  .stack-table td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-size: .8rem; }
  .stack-table td:empty { display: none; }
}