/* ============================================================================
   Hyfe Docs site stylesheet: chrome, layout, controls, pages. How a document
   body looks lives in document.css (the PDF inlines that one); nothing here
   styles .prose typography.
   Order: tokens, base, header, layout, controls, lists & cards, pages (home,
   project, search, settings, document + comments, track changes, history,
   change sets, editor, login), live & theme, print.
   ============================================================================ */

/* ---------- tokens ---------- */
:root{
  --bg:#f5f4f0;--surface:#ffffff;--surface-2:#f0efea;--ink:#1c1c1a;--ink-2:#4a4a46;--muted:#77776f;--line:#e4e2db;--line-2:#d4d1c8;
  --accent:#2f5df5;--accent-hover:#2450d9;--accent-ink:#fff;--accent-soft:#e9eefe;
  --add-bg:#dcf5e3;--add-ink:#0f6b32;--add-line:#8fd7a7;--del-bg:#fde5e4;--del-ink:#a1201a;
  --hl:#fff1b8;--hl-active:#ffe07a;--hl-line:#f6d36b;--hl-soft:#fff8dc;--mark:#ffe9a8;
  --shadow:0 1px 2px rgba(20,20,10,.05),0 6px 20px -10px rgba(20,20,10,.12);
  --ui:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:10px;--top:56px;--side:264px;
  /* document page: the sheet and its comment gutter are one centred block */
  --sheet-col:minmax(0,1100px);--gutter-col:320px;--doc-gap:24px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#141413;--surface:#1e1e1c;--surface-2:#262624;--ink:#ecebe6;--ink-2:#c9c8c1;--muted:#8f8e86;--line:#2e2e2b;--line-2:#3b3b37;
  --accent:#6e8cff;--accent-hover:#8aa2ff;--accent-ink:#0e1430;--accent-soft:#22294a;
  --add-bg:#12351f;--add-ink:#8fe0a8;--add-line:#2c7a48;--del-bg:#3d1816;--del-ink:#ff9a93;
  --hl:#5a4a12;--hl-active:#7a6420;--hl-line:#a8862a;--hl-soft:#3a3210;--mark:#5a4a12;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
}}
:root[data-theme="dark"]{
  --bg:#141413;--surface:#1e1e1c;--surface-2:#262624;--ink:#ecebe6;--ink-2:#c9c8c1;--muted:#8f8e86;--line:#2e2e2b;--line-2:#3b3b37;
  --accent:#6e8cff;--accent-hover:#8aa2ff;--accent-ink:#0e1430;--accent-soft:#22294a;
  --add-bg:#12351f;--add-ink:#8fe0a8;--add-line:#2c7a48;--del-bg:#3d1816;--del-ink:#ff9a93;
  --hl:#5a4a12;--hl-active:#7a6420;--hl-line:#a8862a;--hl-soft:#3a3210;--mark:#5a4a12;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px -12px rgba(0,0,0,.6);
}

/* ---------- base ---------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:14.5px/1.55 var(--ui);color:var(--ink);background:var(--bg);min-height:100vh}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
a.quiet{color:inherit}a.quiet:hover{color:var(--accent)}
h1,h2,h3{font-weight:600;letter-spacing:-.01em;margin:0}
h1{font-size:24px;line-height:1.2}h2{font-size:16px}h3{font-size:14px;margin-top:16px;margin-bottom:6px}
p{margin:.4em 0}
svg{flex:none;vertical-align:-2px}
[hidden]{display:none!important}
pre{position:relative;background:var(--surface-2);border:1px solid var(--line);padding:12px 14px;border-radius:8px;overflow-x:auto;font:12.5px/1.5 var(--mono);margin:8px 0}
pre .copy{position:absolute;top:8px;right:8px;font:inherit;font-size:11px;padding:3px 8px;border-radius:6px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);cursor:pointer}
pre.token{font-size:14px;font-weight:600}
/* utilities */
.muted{color:var(--muted)}.small{font-size:12.5px}.mono{font-family:var(--mono);font-size:.92em}.block{display:block}
.grow{flex:1;min-width:0}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.end{justify-content:flex-end}
.stack{display:flex;flex-direction:column;gap:14px}.stack.tight{gap:6px;margin-top:6px}.stack.tight textarea{font-size:13.5px;padding:7px 9px;resize:vertical}
.list{list-style:none;padding:0;margin:8px 0 0}.list li{padding:4px 0}

/* ---------- header ---------- */
header.top{position:sticky;top:0;z-index:20;height:var(--top);display:flex;align-items:center;gap:20px;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:600;font-size:15px;white-space:nowrap}.brand:hover{text-decoration:none}
.mark{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:7px;background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:14px}
.mark.big{width:48px;height:48px;border-radius:14px;font-size:24px;margin:0 auto 14px}
.crumbs{flex:1;display:flex;align-items:center;gap:8px;min-width:0;font-size:13.5px;color:var(--muted);overflow:hidden;white-space:nowrap}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--ink);text-decoration:none}.crumbs span:last-child{color:var(--ink);font-weight:500;overflow:hidden;text-overflow:ellipsis}.crumbs .sep{color:var(--line-2)}
.top-right{display:flex;align-items:center;gap:10px}
.icon-btn{display:inline-grid;place-items:center;width:32px;height:32px;border:1px solid transparent;border-radius:8px;background:none;color:var(--muted);cursor:pointer}.icon-btn:hover{background:var(--surface-2);color:var(--ink)}
.ico-moon{display:none}
:root[data-theme="dark"] .ico-sun{display:none}:root[data-theme="dark"] .ico-moon{display:inline}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .ico-sun{display:none}:root:not([data-theme="light"]) .ico-moon{display:inline}}
.avatar{display:inline-grid;place-items:center;flex:none;width:32px;height:32px;border-radius:50%;font-size:12px;font-weight:600;color:#fff;background:hsl(var(--h,220) 45% 48%);letter-spacing:.02em}
.avatar.sm{width:26px;height:26px;font-size:10.5px}
/* drop-down menus (details.menu): user menu, document "more", editor Insert */
.menu{position:relative;z-index:50}.menu summary{list-style:none;cursor:pointer;display:flex}.menu summary::-webkit-details-marker{display:none}
.menu-body{position:absolute;right:0;top:40px;z-index:60;min-width:220px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column}
.menu-body.wide{min-width:280px}
.menu-user{display:flex;flex-direction:column;padding:8px 10px;border-bottom:1px solid var(--line);margin-bottom:4px}
.menu-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:10px 10px 4px;border-top:1px solid var(--line);margin-top:4px}
.menu-label:first-child{border-top:0;margin-top:0}
.menu-body a,.menu-body .menu-item{display:flex;flex-direction:column;gap:1px;padding:7px 10px;border-radius:6px;color:var(--ink);background:none;border:0;font:inherit;text-align:left;cursor:pointer;width:100%}
.menu-body a:hover,.menu-body .menu-item:hover{background:var(--surface-2);text-decoration:none}
.menu-body a.danger{color:var(--del-ink)}
.menu-body .menu-item{flex-direction:row;justify-content:space-between}
.menu-body .menu-item.on::after{content:"✓";color:var(--accent)}
.menu-form{display:contents}.menu-body .menu-form .menu-item{flex-direction:column;align-items:flex-start}
.menu-hint{font-size:11.5px;color:var(--muted)}

/* ---------- layout: page, shell with sidebar ---------- */
.page{width:100%;max-width:1240px;margin:0 auto;padding:28px 28px 60px}
body.doc-page .page,body.history-mode .page{max-width:1560px}
.shell{display:grid;grid-template-columns:var(--side) 1fr;min-height:calc(100vh - var(--top))}
.sidebar{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow-y:auto;border-right:1px solid var(--line);background:var(--surface);padding:14px 10px;display:flex;flex-direction:column;gap:1px}
.sidebar>*{flex:none}
.side-filter{margin:0 0 10px;padding:7px 10px;font-size:13px;border-radius:8px}
.side-project{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;color:var(--ink);font-weight:600;margin-bottom:8px}
.side-project:hover{background:var(--surface-2);text-decoration:none}.side-project.on{background:var(--accent-soft);color:var(--accent)}
.side-folder{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:12px 10px 4px}
.side-doc{display:block;padding:6px 10px 6px 14px;border-radius:7px;color:var(--ink-2);font-size:13.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-left:2px solid transparent}
.side-doc:hover{background:var(--surface-2);text-decoration:none;color:var(--ink)}.side-doc.on{background:var(--accent-soft);color:var(--accent);font-weight:500}
.side-new{margin:12px 4px 0;padding:7px 10px;border:1px dashed var(--line-2);border-radius:8px;background:none;color:var(--muted);font:inherit;font-size:13px;cursor:pointer;text-align:left}.side-new:hover{color:var(--accent);border-color:var(--accent)}
/* collapsed by the user (Ctrl+\) or by history mode */
body.sidebar-collapsed .shell,body.history-mode .shell{grid-template-columns:1fr}
body.sidebar-collapsed .sidebar,body.history-mode .sidebar{display:none}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:none}}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:22px}
.section-title{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.cols{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:36px}@media(max-width:900px){.cols{grid-template-columns:1fr}}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:900px){.two{grid-template-columns:1fr}}

/* ---------- controls ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-size:13.5px;font-weight:500;line-height:1.2;white-space:nowrap}
.btn:hover{background:var(--surface-2);text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn.ghost{border-color:transparent;background:none;color:var(--ink-2)}.btn.ghost:hover{background:var(--surface-2)}
.btn.danger{background:var(--del-ink);color:#fff;border-color:transparent}.btn.danger:hover{filter:brightness(1.1)}
.btn.small{padding:4px 10px;font-size:12.5px}.btn.wide{width:100%;justify-content:center;padding:10px}.btn.icon-only{padding:6px 8px}
input,textarea{font:inherit;padding:8px 11px;border:1px solid var(--line-2);border-radius:8px;width:100%;background:var(--surface);color:var(--ink)}
input:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
label{display:block;font-size:13px;font-weight:500;color:var(--ink-2)}label input{margin-top:5px}.hint{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:4px}
.modal{border:none;border-radius:14px;padding:24px;width:min(460px,92vw);background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.modal::backdrop{background:rgba(20,20,10,.35);backdrop-filter:blur(2px)}
.modal select{padding:7px 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;max-width:320px}
.flash.error{background:var(--del-bg);color:var(--del-ink);padding:10px 14px;border-radius:8px;margin-bottom:16px;font-weight:500}
.banner{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--r);margin-bottom:16px;border:1px solid var(--accent);background:var(--accent-soft);color:var(--ink)}
.banner svg{color:var(--accent)}
/* badges */
.tag{font-size:11px;font-weight:600;padding:1px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent);vertical-align:1px}
.tag.del{background:var(--del-bg);color:var(--del-ink)}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11.5px;font-weight:600;margin-right:4px}.pill.add{background:var(--add-bg);color:var(--add-ink)}.pill.del{background:var(--del-bg);color:var(--del-ink)}
.via{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.04em;padding:0 6px;border-radius:5px;vertical-align:1px;line-height:16px;text-transform:uppercase}
.via.ai{background:var(--accent-soft);color:var(--accent)}
.via.web{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.count{font-size:11px;font-weight:600;color:var(--muted);background:var(--surface-2);border-radius:999px;padding:1px 8px}
.count-badge{display:inline-grid;place-items:center;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-size:11px;margin-left:6px;vertical-align:1px}
.note-count{font-size:12px;color:var(--muted);white-space:nowrap}
/* segmented switches: links (diff views) or buttons (changes only / entire, layout, format) */
.segmented{display:inline-flex;background:var(--surface-2);border-radius:9px;padding:3px}
.segmented a{padding:6px 12px;border-radius:7px;color:var(--muted);font-size:13px;font-weight:500}.segmented a:hover{text-decoration:none;color:var(--ink)}
.segmented a.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.segmented.small button{padding:5px 10px;border:0;border-radius:7px;background:none;color:var(--muted);font:inherit;font-size:12.5px;font-weight:500;cursor:pointer}
.segmented.small button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.legend{font-size:12.5px;color:var(--muted)}.legend ins,.legend del{margin-left:6px}
.toolbar{margin:18px 0 14px}

/* ---------- cards and lists ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:0 0 16px}
.card.highlight{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.card.tip{padding:14px 16px}.card.tip p{margin:4px 0 8px}
.empty{text-align:center;padding:64px 20px;color:var(--ink-2)}.empty.small{padding:24px;border:1px dashed var(--line-2);border-radius:var(--r)}
.folder-label{font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:14px 0 6px}
.doclist{list-style:none;padding:0;margin:0 0 6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.doclist li+li{border-top:1px solid var(--line)}
.doclist a{display:flex;align-items:center;gap:10px;padding:11px 14px;color:var(--ink);font-weight:500}.doclist a:hover{background:var(--surface-2);text-decoration:none}
.doclist svg{color:var(--muted)}
.projlist{list-style:none;padding:0;margin:0 0 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.projlist li+li{border-top:1px solid var(--line)}
.projlist a{display:flex;align-items:center;gap:10px;padding:11px 14px;color:var(--ink)}.projlist a:hover{background:var(--surface-2);text-decoration:none}
.projlist .count{font-size:12px;color:var(--muted);background:var(--surface-2);padding:1px 8px;border-radius:999px}
.tpl-list{list-style:none;padding:0;margin:0 0 8px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
.tpl-list li{display:flex;align-items:center;gap:10px;padding:9px 12px}.tpl-list li+li{border-top:1px solid var(--line)}
.tpl-list li>a:first-child{flex:1;min-width:0;color:var(--ink)}
.activity{list-style:none;padding:0;margin:0}
.activity li{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.act-msg{color:var(--ink-2);margin:1px 0 4px}.act-msg a{color:inherit}.act-msg a:hover{color:var(--accent)}.act-files a{font-size:12px;margin-right:8px;font-family:var(--mono)}
/* pending change sets (home, project) */
.pending{list-style:none;padding:0;margin:0 0 22px}.pending li{padding:10px 12px;border:1px solid var(--accent);border-radius:var(--r);background:var(--accent-soft);margin-bottom:8px}
.pending li:not(.mine){border-color:var(--line-2);background:var(--surface)}
.pending .btn.small{padding:3px 9px}
/* comments for you (home) */
.inbox{list-style:none;padding:0;margin:0 0 22px;border:1px solid var(--accent);border-radius:var(--r);background:var(--accent-soft);overflow:hidden}
.inbox li+li{border-top:1px solid var(--line)}
.inbox a{display:flex;gap:10px;padding:10px 12px;color:var(--ink);align-items:flex-start}.inbox a:hover{background:var(--surface);text-decoration:none}
.inbox-text{display:block;font-family:var(--serif);font-size:14px}

/* ---------- project page: guidelines card ---------- */
.card.guidelines{padding:10px 14px;margin-bottom:22px}.card.guidelines summary{cursor:pointer;font-size:13px;color:var(--ink-2);list-style:none}.card.guidelines summary::-webkit-details-marker{display:none}
/* AGENTS.md preview: compact and unnumbered (.prose.small-prose outranks document.css's .prose rules) */
.prose.small-prose{font-size:14px;line-height:1.5;margin-top:8px}
.prose.small-prose h1{font-size:16px}.prose.small-prose h2{font-size:14px;margin-top:10px}
.prose.small-prose h2[data-num],.prose.small-prose h3[data-num],.prose.small-prose h4[data-num]{display:block}
.prose.small-prose h2[data-num]::before,.prose.small-prose h3[data-num]::before,.prose.small-prose h4[data-num]::before{content:none}
.prose.small-prose h3,.prose.small-prose h4{margin-left:0}
.prose.small-prose ol.clauses,.prose.small-prose ol.clauses[data-sec-level]{list-style:decimal;padding-left:1.4em;margin-left:0}
.prose.small-prose ol.clauses>li{display:list-item}.prose.small-prose ol.clauses>li::before{content:none}

/* ---------- search ---------- */
.minisearch input{width:220px;padding:7px 10px}
.searchbar{display:flex;align-items:center;gap:10px;margin-bottom:14px}.searchbar input{flex:1;font-size:15px;padding:10px 12px}.searchbar svg{color:var(--muted)}
.result{margin:0 0 18px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}
.result-head{padding:10px 14px;border-bottom:1px solid var(--line);background:var(--surface-2)}
.hit{display:flex;gap:12px;padding:8px 14px;color:var(--ink);border-top:1px solid var(--line);font-size:13.5px}.hit:first-of-type{border-top:0}.hit:hover{background:var(--surface-2);text-decoration:none}
.hit-heading{flex:0 0 180px;color:var(--muted);font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hit-text{flex:1;min-width:0;font-family:var(--serif);font-size:14px}
.hit mark{background:var(--mark);color:inherit;border-radius:3px;padding:0 1px}

/* ---------- settings (Connect your AI) ---------- */
.tokens{list-style:none;padding:0;margin:0 0 14px}.tokens li{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.steps{padding-left:20px;margin:8px 0 0}.steps li{margin-bottom:10px;color:var(--ink-2)}

/* ---------- document page ---------- */
/* the header actions sit above the sheet's right corner: same grid as the sheet + gutter */
.gdoc-cols,.gdoc{display:grid;grid-template-columns:var(--sheet-col) var(--gutter-col);column-gap:var(--doc-gap);justify-content:center}
.doc-head{position:relative;z-index:50;align-items:center;margin-bottom:14px}
.doc-head .doc-actions{grid-column:1;justify-self:end}
.doc-actions{display:flex;gap:8px;align-items:center;flex:none}
.gdoc .doc-col{grid-column:1;min-width:0}
.gdoc .gutter{grid-column:2}
.paper{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:56px 72px;max-width:920px;margin:0 auto;box-shadow:var(--shadow)}
.gdoc .paper{max-width:none;margin:0;padding:52px clamp(36px,6%,80px)}
@media(max-width:700px){.paper{padding:28px 22px}}
.paper.source{font:13px/1.55 var(--mono);padding:18px 20px;max-width:none}
/* recent versions under the sheet */
.versions-box{margin-top:22px}.versions-box summary{cursor:pointer;list-style:none}.versions-box summary::-webkit-details-marker{display:none}
.versions{list-style:none;padding:0;margin:0 0 10px}
.versions li+li{border-top:1px solid var(--line)}
.versions a{display:flex;gap:10px;padding:9px 4px;color:var(--ink);font-size:13px;align-items:flex-start}.versions a:hover{background:var(--surface-2);text-decoration:none;border-radius:6px}
.versions .v-msg{display:block;line-height:1.35;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.versions .avatar.sm{margin-top:2px}

/* ---------- comments, Google-Docs style: gutter with cards level with the quoted words ---------- */
.gutter{position:relative;min-height:200px}
.ccard{position:absolute;left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px;box-shadow:var(--shadow);font-size:13px;transition:top .18s ease,box-shadow .15s ease;cursor:pointer}
.ccard.active{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow);cursor:default}
.ccard-head{display:flex;align-items:center;gap:8px}.ccard-head .avatar.sm{width:24px;height:24px;font-size:10px}
.check{width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line-2);background:var(--surface);color:var(--muted);font-size:12px;line-height:1;cursor:pointer;padding:0}.check:hover{background:var(--add-bg);color:var(--add-ink);border-color:var(--add-line)}
.c-quote{margin:6px 0 4px;padding-left:8px;border-left:3px solid var(--hl-line);color:var(--ink-2);font-size:12.5px;font-style:italic;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.c-text{white-space:pre-wrap;font-family:var(--serif);font-size:14px;line-height:1.45;margin-top:4px}
.c-reply{margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
.c-more{display:none;margin-top:8px}.ccard.active .c-more{display:block}
.c-more textarea{font-size:13px;padding:6px 8px;resize:vertical}
.c-more select,.composer select{font:inherit;font-size:12.5px;padding:2px 6px;border:1px solid var(--line-2);border-radius:6px;background:var(--surface);color:var(--ink);max-width:170px}
.c-assign{margin-top:6px}
.composer{cursor:default;border-color:var(--accent);z-index:3}.composer textarea{font-size:14px;padding:8px;resize:vertical;margin:6px 0}
/* the + button hugs the sheet, level with the hovered line */
.add-comment{position:absolute;left:-16px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line-2);background:var(--surface);color:var(--accent);font-size:18px;line-height:1;cursor:pointer;box-shadow:var(--shadow);z-index:4;transition:top .12s ease}.add-comment:hover{background:var(--accent);color:var(--accent-ink)}
/* in the sheet: quoted words, commented blocks, the hovered line, the line being commented */
mark.c-hl{background:var(--hl);color:inherit;border-bottom:2px solid var(--hl-line);padding:1px 0;cursor:pointer;border-radius:2px}mark.c-hl.active,mark.c-hl:hover{background:var(--hl-active)}
.prose .commented{box-shadow:-3px 0 0 0 var(--accent-soft);padding-left:10px;margin-left:-13px;border-radius:2px;cursor:pointer}
.prose .line-hover{background:linear-gradient(90deg,var(--accent-soft),transparent 60%);box-shadow:-3px 0 0 0 var(--accent);border-radius:2px}
.prose .line-commenting{background:var(--hl-soft);box-shadow:-3px 0 0 0 var(--hl-line)}
/* comment changes listed on a diff */
.comment-changes{list-style:none;padding:8px 12px;margin:0 0 10px;border:1px dashed var(--line-2);border-radius:8px;font-size:13px}.comment-changes li{padding:3px 0}
/* narrow: gutter below the sheet, cards stacked */
@media(max-width:1100px){.gdoc-cols,.gdoc{grid-template-columns:1fr}.doc-head .doc-actions{grid-column:1}.gdoc .gutter{grid-column:1;position:static!important}.ccard{position:static!important;margin-bottom:10px}.add-comment{display:none}}

/* ---------- track changes and diff panes ---------- */
ins{background:var(--add-bg);color:var(--add-ink);text-decoration:none;border-bottom:2px solid var(--add-line);border-radius:2px;padding:0 2px}
del{background:var(--del-bg);color:var(--del-ink);text-decoration:line-through;border-radius:2px;padding:0 2px}
/* source view lines */
.dl{white-space:pre-wrap;padding:0 8px;border-radius:3px}.dl.add{background:var(--add-bg);color:var(--add-ink)}.dl.del{background:var(--del-bg);color:var(--del-ink)}.dl.hunk{color:var(--muted);margin-top:10px}
/* changes only: unchanged blocks folded behind a button */
.tc-hidden{display:none!important}
.tc-fold{display:block;width:100%;margin:10px 0;padding:6px 10px;border:1px dashed var(--line-2);border-radius:8px;background:var(--surface-2);color:var(--muted);font:12.5px var(--ui);cursor:pointer;text-align:center}.tc-fold:hover{color:var(--accent);border-color:var(--accent)}
.diff-pane.loading{opacity:.6}
/* one change's header (diff pane, change pane, change set review) */
.changehead{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.tl-msg{margin:3px 0 8px;font-size:15px}.tl-foot{display:flex;gap:8px;align-items:center}
.commit-body{white-space:pre-wrap;font:inherit;font-size:13px;color:var(--ink-2);margin:6px 0 0;padding:8px 10px;background:var(--surface-2);border-radius:8px;max-width:760px}
.jump{display:flex;flex-wrap:wrap;gap:6px 14px;padding:12px 16px;font-size:13px}
/* one document within a change (change pane, change set review) */
.cs-file{margin:0 0 28px}.cs-file-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 4px 8px}
.cs-file .diff-pane .toolbar{margin:6px 0}
.cs-file .gdoc{margin-top:6px}

/* ---------- history mode: selection in the middle, timeline on the right ---------- */
.hist-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
.hist-title{font-size:20px}
.hist{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
.hist-main{min-width:0}.hist-main.loading{opacity:.6;transition:opacity .15s}
.hist-main .paper{max-width:none}
.timeline-side{position:sticky;top:calc(var(--top) + 16px);max-height:calc(100vh - var(--top) - 32px);overflow-y:auto;padding-right:2px}
@media(max-width:1100px){.hist{grid-template-columns:1fr}.timeline-side{order:-1;position:static;max-height:none}}
.tl{list-style:none;margin:0;padding:0 0 0 14px;border-left:2px solid var(--line)}
.tl li{position:relative;margin:0 0 6px}
.tl a{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:10px;color:var(--ink);border:1px solid transparent}
.tl a:hover{background:var(--surface-2);text-decoration:none}
.tl li.on a{background:var(--surface);border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.tl-dot{position:absolute;left:-21px;top:16px;width:10px;height:10px;border-radius:50%;background:var(--line-2);border:2px solid var(--bg)}
.tl li.on .tl-dot{background:var(--accent)}
.tl-line1{display:block;font-size:13px}.tl-msg2{display:block;font-size:13.5px;line-height:1.35;margin:2px 0 4px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

/* ---------- change set review: discussion ---------- */
.reviews{padding:14px 16px;margin-bottom:18px}
.review-list{list-style:none;padding:0;margin:10px 0 0}.review-list li{display:flex;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.review-comment{margin-top:4px;white-space:pre-wrap;font-family:var(--serif);font-size:14px}
.review-form{margin-top:12px;display:flex;flex-direction:column;gap:8px}.review-form textarea{padding:8px 10px;resize:vertical}

/* ---------- editor ---------- */
body.editing .page{max-width:none;padding:0;display:flex;flex-direction:column;height:calc(100vh - var(--top))}
.editor{display:flex;flex-direction:column;flex:1;min-height:0}
.banner.editing-cs{margin:0 0 10px}
.banner.conflict{margin:0 0 10px;align-items:flex-start;border-color:var(--del-ink);background:var(--del-bg)}
.banner.conflict .col{display:flex;flex-direction:column;gap:6px;flex:none}
.conflict-diff{margin-top:8px}.conflict-diff summary{cursor:pointer;font-size:.85rem}
.conflict-diff .paper{max-height:40vh;overflow:auto;margin-top:6px;padding:12px 16px;font-size:.9rem}
.editor-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 14px;border-bottom:1px solid var(--line);background:var(--surface)}
.editor-tools .btn.small.on{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.editor-tools .menu-body{left:0;right:auto;min-width:220px}
.editor-tools .segmented.small button{padding:4px 10px}
/* the guide: a details block opened by the toolbar button, its own summary hidden */
.md-help{margin:0;border:0;border-bottom:1px solid var(--line);background:var(--surface)}
.md-help summary{display:none}
.md-help-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding:12px 14px 14px;font-size:13px}
@media(max-width:1000px){.md-help-body{grid-template-columns:1fr}}
.md-help-body pre{margin:4px 0 12px;padding:8px 10px;font-size:12px;line-height:1.45;background:var(--surface-2);border-radius:8px;white-space:pre-wrap}
.md-help-body ul{margin:4px 0 12px;padding-left:18px}.md-help-body li{margin:2px 0}
/* panes: split / editor / preview, optionally swapped */
.editor-panes{display:grid;grid-template-columns:1fr 1fr;flex:1;min-height:0}
@media(max-width:1000px){.editor-panes{grid-template-columns:1fr}.pane:last-child{display:none}}
.pane{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--line)}.pane:last-child{border-right:0}
.pane-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:10px 16px 6px}
.editor textarea{flex:1;resize:none;border:0;border-radius:0;padding:12px 20px 40px;font:14px/1.6 var(--mono);background:var(--surface);tab-size:2}
.editor textarea:focus{outline:none}
.pane-editor{position:relative}
.src-mirror{position:absolute;top:0;left:0;visibility:hidden;pointer-events:none;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;height:auto;z-index:-1}
.src-mirror div{min-height:1em}
.editor textarea.drop{outline:2px dashed var(--accent);outline-offset:-4px}
.pane .preview{flex:1;overflow-y:auto;border:0;border-radius:0;box-shadow:none;max-width:none;padding:12px 40px 60px;background:var(--bg)}
.editor-panes[data-layout="editor"] .pane-preview{display:none}
.editor-panes[data-layout="preview"] .pane-editor{display:none}
.editor-panes[data-layout="editor"],.editor-panes[data-layout="preview"]{grid-template-columns:1fr}
.editor-panes[data-layout="preview"] .preview{max-width:1100px;margin:0 auto;padding:40px clamp(36px,6%,80px)}
.editor-panes.swapped .pane-editor{order:2;border-right:0;border-left:1px solid var(--line)}.editor-panes.swapped .pane-preview{order:1;border-right:0}
.editor-bar{display:flex;gap:10px;align-items:center;padding:12px 16px;border-top:1px solid var(--line);background:var(--surface)}

/* ---------- login ---------- */
.login{min-height:calc(100vh - var(--top) - 56px);display:grid;place-items:center}
.login-card{width:min(400px,92vw);text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:40px 32px;box-shadow:var(--shadow)}
.login-card h1{margin-bottom:6px}.login-card .btn{margin-top:22px}

/* ---------- live regions ---------- */
.live{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);margin-right:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--add-ink);opacity:.7}.dot.pulse{animation:pulse 1.2s ease-out}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(15,107,50,.5)}100%{box-shadow:0 0 0 10px rgba(15,107,50,0)}}
.just-updated{animation:updated 1.4s ease-out}
@keyframes updated{0%{box-shadow:0 0 0 3px var(--accent-soft)}100%{box-shadow:0 0 0 0 transparent}}

/* ---------- print: just the document ---------- */
@media print{
  header.top,.sidebar,.doc-head,.banner,.flash,.crumbs,.gutter,.add-comment,.versions-box{display:none!important}
  .shell{display:block}.page{padding:0;max-width:none}.gdoc{display:block}
  .paper{box-shadow:none;border:0;padding:0;max-width:none}
  mark.c-hl{background:none!important;border:0!important}
  body{background:#fff;color:#000;font-size:12pt}
  a{color:inherit;text-decoration:none}
}