/* Портал проекта. Палитра и шрифт - как у страниц проекта (html/style.css). */
:root {
  --bg: #ffffff; --surface: #f6f5f2; --ink: #141414; --ink-2: #3a3a3a; --line: #d9d6cf;
  --head: #1c2a24; --head-ink: #ffffff; --link: #0d5c45; --accent: #1f6b47; --accent-bg: #e6f2eb;
  --warn: #8a5c00; --warn-bg: #f8eed6; --del: #9b3524; --del-bg: #f7e4df; --muted: #5d5d5d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131514; --surface: #1d201e; --ink: #f1f1ef; --ink-2: #d2d2ce; --line: #3a3e3b;
    --head: #0b0d0c; --head-ink: #f1f1ef; --link: #7fd1b0; --accent: #8fd3ad; --accent-bg: #1f3329;
    --warn: #e9c06a; --warn-bg: #3a2f17; --del: #f0a08f; --del-bg: #3d231d; --muted: #bdbdb8;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--link); text-underline-offset: 3px; }
h1 { font-size: 36px; line-height: 1.12; letter-spacing: -0.02em; margin: 28px 0 12px; }
h2 { font-size: 25px; line-height: 1.2; margin: 32px 0 12px; }
h3 { font-size: 21px; margin: 24px 0 8px; }
p { margin: 0 0 12px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 760px; }
.muted { color: var(--muted); }
small { display: block; color: var(--muted); font-size: 14px; }

.top { background: var(--head); color: var(--head-ink); position: sticky; top: 0; z-index: 10; }
.top-in { max-width: 1320px; margin: 0 auto; padding: 12px 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 24px; }
.brand { color: var(--head-ink); text-decoration: none; font-weight: 800; font-size: 17px; margin-right: auto; }
.brand span { font-weight: 400; opacity: .75; margin-left: 10px; font-size: 15px; }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 18px; font-size: 16px; }
.nav a, .nav .link { color: var(--head-ink); }
main { max-width: 1180px; margin: 0 auto; padding: 0 24px 96px; }
main.wide { max-width: 1320px; }
main.narrow { max-width: 560px; }

button, .button { font: inherit; font-size: 16px; padding: 8px 16px; border: 1px solid var(--ink); background: var(--bg);
  color: var(--ink); border-radius: 4px; cursor: pointer; text-decoration: none; display: inline-block; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
@media (prefers-color-scheme: dark) { button.primary, .button.primary { color: #0b0d0c; } }
button.link { border: 0; background: none; padding: 0; color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px; }
input, textarea, select { font: inherit; font-size: 16px; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 4px; background: var(--bg); color: var(--ink); max-width: 100%; }
textarea { width: 100%; resize: vertical; }
form.inline { display: inline; }
.stack-form { display: grid; gap: 14px; margin: 18px 0; }
.stack-form label { display: grid; gap: 6px; font-weight: 600; }
.row-form, .upload { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 12px 0; }
.error { color: var(--del); font-weight: 700; }
.banner { background: var(--warn-bg); border-left: 4px solid var(--warn); padding: 10px 14px; }

.mark { display: inline-block; font-size: 13px; font-weight: 700; padding: 1px 7px; border-radius: 3px; margin-left: 6px; vertical-align: 2px; }
.mark-new { background: var(--accent-bg); color: var(--accent); }
.mark-msg { background: var(--warn-bg); color: var(--warn); }
.mark-private { background: var(--surface); color: var(--muted); }

.home { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; }
.sec h2 { border-bottom: 3px solid var(--ink); padding-bottom: 6px; }
.doclist { list-style: none; padding: 0; margin: 0; }
.doclist li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.doclist a { font-weight: 600; }
.home-side { padding-top: 28px; }
.q { display: block; text-decoration: none; color: var(--ink); padding: 10px 0; border-bottom: 1px solid var(--line); }
.q b { display: block; color: var(--link); font-size: 15px; }
.file-row { margin: 0; padding: 8px 0; border-bottom: 1px solid var(--line); }

.crumbs { margin: 22px 0 0; font-size: 15px; color: var(--muted); }
.docpage { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 40px; align-items: start; }
.doc-title { margin-top: 8px; }
.doc-meta { color: var(--ink-2); }
.md { max-width: 820px; }
.md table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 10px 0 18px; display: block; overflow-x: auto; }
.md th, .md td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
.md th { background: var(--surface); border-bottom: 2px solid var(--ink); }
.md pre { background: var(--surface); padding: 12px; overflow-x: auto; font-size: 13px; }
.md code { font-size: .9em; }
.md h2, .md h3, .md h4 { scroll-margin-top: 70px; }
.discuss { font-size: 13px; font-weight: 600; padding: 2px 8px; margin-left: 10px; vertical-align: 3px;
  border: 1px dashed var(--line); color: var(--muted); background: none; }
.discuss.has { border: 1px solid var(--accent); background: var(--accent-bg); color: var(--accent); }
.discuss:hover { border-color: var(--accent); color: var(--accent); }
.doc-extra { border-top: 3px solid var(--ink); margin-top: 40px; }
.versions li { margin: 4px 0; }

.chat { position: sticky; top: 64px; max-height: calc(100vh - 80px); overflow-y: auto; background: var(--surface);
  padding: 4px 18px 18px; margin-top: 22px; border-top: 3px solid var(--accent); }
.thread { list-style: none; padding: 0; margin: 0; }
.thread .thread { margin-left: 14px; padding-left: 12px; border-left: 2px solid var(--line); }
.msg { padding: 10px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 80px; }
.thread .thread .msg { border-bottom: 0; padding-bottom: 0; }
.msg.is-new > .msg-head b::after { content: " новое"; color: var(--accent); font-size: 13px; }
.msg.is-q > .msg-text { font-weight: 600; }
.msg.is-done > .msg-text { font-weight: 400; color: var(--ink-2); }
.msg-head { margin: 0; font-size: 14px; color: var(--muted); }
.msg-head b { color: var(--ink); font-size: 15px; }
.ver { font-size: 12px; border: 1px solid var(--line); padding: 0 4px; border-radius: 3px; }
.qmark { font-size: 12px; font-weight: 700; color: var(--warn); }
.is-done .qmark { color: var(--accent); }
.msg-anchor { display: inline-block; font-size: 14px; margin: 2px 0; }
.msg-anchor.gone { color: var(--muted); }
.msg-text { white-space: pre-wrap; margin: 4px 0; overflow-wrap: anywhere; }
.msg-actions { display: flex; flex-wrap: wrap; gap: 4px 14px; align-items: baseline; font-size: 14px; }
.reply summary { cursor: pointer; color: var(--link); }
.reply form { display: grid; gap: 6px; margin-top: 6px; }
.composer { display: grid; gap: 8px; margin-top: 16px; }
.composer label { font-size: 14px; display: grid; gap: 4px; }
.composer-row { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.check { display: flex !important; align-items: center; gap: 6px; }
.draft-other { font-size: 14px; color: var(--muted); font-style: italic; }
.new-banner { background: var(--accent-bg); padding: 8px 10px; font-weight: 700; }
.chat-fab { display: none; }

.diff { white-space: pre-wrap; background: var(--surface); padding: 16px; font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.diff span { display: block; }
.d-add { background: var(--accent-bg); color: var(--accent); }
.d-del { background: var(--del-bg); color: var(--del); text-decoration: line-through; }
.d-gap { color: var(--muted); }
.legend span { padding: 2px 8px; margin-right: 8px; }
.tbl { overflow-x: auto; }
.tbl table { border-collapse: collapse; width: 100%; font-size: 15px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }

@media (max-width: 960px) {
  .home, .docpage { grid-template-columns: 1fr; gap: 16px; }
  .chat { position: static; max-height: none; }
  .chat-fab { display: block; position: fixed; right: 16px; bottom: 16px; background: var(--accent); color: #fff;
    padding: 10px 16px; border-radius: 4px; font-weight: 700; text-decoration: none; }
}
@media (max-width: 640px) {
  main { padding: 0 16px 80px; }
  .top-in { padding: 10px 16px; }
  .brand span { display: none; }
  h1 { font-size: 28px; }
  .discuss { display: block; margin: 6px 0 0; width: fit-content; }
}

/* Панель чата: поля не шире панели. Первый H1 документа повторяет заголовок портала. */
.chat, .composer, .composer label { min-width: 0; }
.composer select, .composer textarea, .reply textarea { width: 100%; }
.md > h1:first-child { display: none; }
a:not([href]) { color: inherit; text-decoration: none; }