/* The app around the reader: sidebar, landing, settings, generation progress. Tokens come from reader.css. */
:root { --sb: 280px; --rail: 52px; }
[hidden] { display: none !important; }

/* ── sidebar ─────────────────────────────────────────────── */
#sidebar { position: fixed; z-index: 30; top: 0; bottom: 0; left: 0; width: var(--sb); display: flex; flex-direction: column;
  background: var(--card); border-right: 1px solid var(--line); font-family: var(--sans); transition: width .22s var(--ease), box-shadow .22s; }
#sidebar svg { width: 18px; height: 18px; flex: none; }
.sb-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 12px 10px 16px; }
.sb-brand { display: flex; align-items: center; gap: 9px; font-weight: 650; font-size: 15px; color: var(--ink); text-decoration: none !important; }
.sb-toggle { border: 0; background: none; color: var(--muted); font-size: 22px; line-height: 1; padding: 2px 8px; border-radius: 6px; cursor: pointer; }
.sb-toggle:hover { background: var(--surface); color: var(--ink); }
.sb-new { margin: 4px 12px 10px; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--line); color: var(--ink); font-size: 13.5px;
  font-weight: 550; text-decoration: none !important; }
.sb-new:hover { border-color: var(--accent); color: var(--accent); }
.sb-label { padding: 6px 16px 4px; font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.sb-list { flex: 1; overflow-y: auto; padding: 0 8px 8px; }
.sb-group { padding: 12px 9px 4px; font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.sb-group:first-child { padding-top: 6px; }
.sb-item { display: flex; flex-direction: column; gap: 3px; padding: 8px 9px; border-radius: 9px; color: var(--ink); text-decoration: none !important; }
.sb-item:hover { background: var(--surface); }
.sb-item.active { background: var(--accent-soft); }
.sb-item.pending { opacity: .85; }
.sb-row { position: relative; }
.sb-row .sb-item { padding-right: 30px; }
.sb-del { position: absolute; top: 6px; right: 4px; width: 24px; height: 24px; border: 0; border-radius: 7px; background: none; color: var(--faint);
  font: 500 16px/1 var(--sans); cursor: pointer; opacity: 0; transition: opacity .12s; }
.sb-row:hover .sb-del, .sb-del:focus-visible { opacity: 1; }
.sb-del:hover { background: var(--line-2); color: var(--r-limitation); }
.sb-t { font-size: 13.5px; line-height: 1.35; font-weight: 550; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sb-m { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 11.5px; color: var(--muted); }
.sb-id { font-variant-numeric: tabular-nums; }
.sb-langs { display: flex; gap: 3px; flex-wrap: wrap; justify-content: flex-end; }
.sb-langs span { padding: 0 5px; border-radius: 4px; background: var(--surface); border: 1px solid var(--line-2); font-size: 10.5px; line-height: 16px; }
.sb-langs span.on { border-color: var(--accent); color: var(--accent); }
.sb-prog { display: block; height: 3px; border-radius: 3px; background: var(--line-2); overflow: hidden; margin-top: 3px; }
.sb-prog i { display: block; height: 100%; background: var(--accent); border-radius: 3px; transition: width .4s var(--ease); }
.sb-stage { font-size: 11.5px; color: var(--accent); }
/* a job's stop button: a small square, always there while it runs (the delete × only shows on hover) */
.sb-stop { position: absolute; top: 6px; right: 4px; width: 24px; height: 24px; border: 0; border-radius: 7px; background: none; cursor: pointer;
  display: grid; place-items: center; color: var(--muted); }
.sb-stop i { width: 9px; height: 9px; border-radius: 2px; background: currentColor; }
.sb-stop:hover { background: var(--line-2); color: var(--r-limitation); }
.sb-stop:disabled { cursor: default; opacity: .4; background: none; color: var(--muted); }
.sb-item.unfinished .sb-stage { color: var(--muted); }
.sb-item.unfinished:hover .sb-stage { color: var(--accent); }
.rail-open { position: relative; }
.rail-open.busy::after { content: ''; position: absolute; top: 5px; right: 5px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  animation: busy 1.4s ease-in-out infinite; }
@keyframes busy { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .rail-open.busy::after { animation: none; } }
.sb-empty { padding: 10px 9px; font-size: 13px; color: var(--faint); }
.sb-foot { border-top: 1px solid var(--line-2); padding: 10px 12px 14px; }
.sb-settings { width: 100%; text-align: left; border: 0; background: none; font: 550 13px var(--sans); color: var(--ink-2); padding: 6px 4px; border-radius: 7px; cursor: pointer; }
.sb-settings:hover { background: var(--surface); }
.sb-model { font-size: 11.5px; color: var(--faint); padding: 2px 4px 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sb-rail { display: none; }

#sidebar.collapsed { width: var(--rail); }
#sidebar.collapsed > :not(.sb-rail) { display: none; }
#sidebar.collapsed .sb-rail { display: flex; flex-direction: column; align-items: center; gap: 6px; padding-top: 12px; }
.rail-btn { width: 36px; height: 36px; display: grid; place-items: center; border: 0; background: none; border-radius: 9px; color: var(--muted);
  font-size: 17px; cursor: pointer; text-decoration: none !important; }
.rail-btn:hover { background: var(--surface); color: var(--ink); }

/* the page beside it */
html.app body { padding-left: var(--rail); }
html.app.landing.sb-open body { padding-left: var(--sb); }
html.app:not(.landing) #sidebar:not(.collapsed) { box-shadow: 0 0 60px -20px rgba(40, 30, 10, .45); }
html.app footer.zoom { left: var(--rail); }
@media (max-width: 1299px) {
  html.app .side { position: static; width: auto; flex-direction: row; flex-wrap: wrap; gap: 2px 14px; margin-top: 4px; }
  html.app .lk { width: auto; max-width: 100%; }
}

/* ── landing ─────────────────────────────────────────────── */
#landing { min-height: 100vh; display: flex; align-items: flex-start; justify-content: center; padding: 14vh 24px 80px; position: relative; }
/* the interface language, top right; the bar's own menu is the language papers are read in */
.ui-lang { position: absolute; top: 16px; right: 20px; display: flex; align-items: center; gap: 6px; height: 36px; padding: 0 10px 0 12px;
  border: 1px solid var(--line); border-radius: 999px; background: var(--card); color: var(--muted); cursor: pointer; }
.ui-lang:hover, .ui-lang:focus-within { border-color: var(--accent); }
.ui-lang svg { width: 16px; height: 16px; flex: none; }
.ui-lang select { font: 500 13.5px/20px var(--sans); color: var(--ink); padding: 8px 20px 8px 2px; }
.hero { width: 100%; max-width: 760px; }
.hero-mark { width: 30px; height: 30px; }
.hero h1 { font: 700 40px/1.1 var(--sans); letter-spacing: -.03em; margin: 14px 0 10px; }
.hero .lede { font: 400 19px/1.4 var(--sans); color: var(--ink); margin: 0 0 26px; }
/* one bar: the link, the language, Generate */
#newform .bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 7px 7px 7px 16px; box-shadow: 0 1px 2px rgba(26, 26, 26, .04), 0 10px 28px -14px rgba(54, 38, 128, .22); }
#newform .bar:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.bar-ico { width: 20px; height: 20px; flex: none; color: var(--muted); }
/* what the bar reads, under it; then a Markdown file: this box, or dropped anywhere on the page */
.sources { margin: 10px 0 0 4px; font: 450 13px/1.5 var(--sans); color: var(--muted); }
.dropzone { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; margin-top: 16px; padding: 20px 16px;
  border: 1.5px dashed var(--line); border-radius: 14px; background: none; font: 500 14px var(--sans); color: var(--muted); cursor: pointer;
  transition: border-color .15s, background-color .15s, color .15s; }
.dropzone svg { width: 20px; height: 20px; flex: none; }
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); color: var(--accent); outline: none; }
.dropzone.dragging { border-color: var(--accent); border-style: solid; background: var(--accent-soft); color: var(--accent); }
#newform input { flex: 1 1 200px; min-width: 0; font: 450 17px var(--sans); color: var(--ink); background: none; border: 0; padding: 12px 4px; outline: none; }
#newform input::placeholder { color: #8F877D; }
.bar-sep { width: 1px; height: 28px; flex: none; background: var(--line-2); }
.sel { display: flex; align-items: center; gap: 8px; padding: 0 4px; font: 500 13.5px var(--sans); color: var(--muted); }
.sel select { font: 550 15px/20px var(--sans); color: var(--ink); padding: 10px 22px 10px 2px; }
/* the landing's two menus drawn by us: a native one sets its text a little low, and by a different amount in each browser */
.sel select, .ui-lang select { -webkit-appearance: none; appearance: none; margin: 0; border: 0; border-radius: 0; outline: none; cursor: pointer;
  background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%231A1A1A' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E") no-repeat right 2px center / 12px 12px; }
#go { display: flex; align-items: center; gap: 8px; height: 48px; padding: 0 22px; border-radius: 11px; }
#go svg { width: 16px; height: 16px; }
button.primary { font: 600 15px var(--sans); color: #fff; background: var(--accent); border: 0; border-radius: 12px; padding: 0 22px; cursor: pointer; }
button.primary:hover { background: var(--accent-deep); }
.err { margin-top: 10px; color: var(--r-limitation); font: 500 14px var(--sans); }
.model-line { display: flex; gap: 10px; align-items: center; margin-top: 14px; font: 450 13px var(--sans); color: var(--muted); }
.linkbtn { border: 0; background: none; padding: 0; font: 550 13px var(--sans); color: var(--accent); cursor: pointer; }
.jobcard { margin-top: 22px; padding: 14px 16px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); font-family: var(--sans); }
.jc-t { font-weight: 650; font-size: 14.5px; }
.jc-s { font-size: 13px; color: var(--muted); margin: 4px 0 6px; }
.jc-e { font-size: 13.5px; color: var(--r-limitation); margin-top: 4px; }
.jc-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.jc-stop, .jc-go, .gen-toast .g-stop { flex: none; border: 1px solid var(--line); border-radius: 8px; background: none; padding: 3px 10px;
  font: 550 12.5px var(--sans); color: var(--ink-2); cursor: pointer; }
.jc-stop:hover, .gen-toast .g-stop:hover { border-color: var(--r-limitation); color: var(--r-limitation); }
.jc-go { border-color: var(--accent); color: var(--accent); }
.jc-stop:disabled, .gen-toast .g-stop:disabled { opacity: .45; cursor: default; border-color: var(--line); color: var(--muted); }

/* ── generation progress over a paper ───────────────────── */
/* bottom right, over the ask button: out of the way of the paper's title and of what is being read */
.gen-toast { position: fixed; z-index: 35; right: 20px; bottom: 62px; width: min(380px, calc(100vw - 32px));
  display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 12px 14px; border-radius: 12px; background: var(--card);
  border: 1px solid var(--line); box-shadow: 0 16px 44px -20px rgba(40, 30, 10, .45); font: 13.5px var(--sans); }
.gen-toast b { font-weight: 650; }
.gen-toast .g-stage { grid-column: 1 / -1; color: var(--muted); font-size: 13px; }
.gen-toast .sb-prog { grid-column: 1 / -1; }
.gen-toast .g-x { grid-row: 1; grid-column: 2; border: 0; background: none; font-size: 18px; color: var(--muted); cursor: pointer; }
.gen-toast .g-stop { grid-row: 1; grid-column: 2; align-self: start; }
.gen-toast .g-note { grid-column: 1 / -1; color: var(--muted); font-size: 12.5px; margin-top: 4px; }

/* ── settings ────────────────────────────────────────────── */
dialog.settings { border: 1px solid var(--line); border-radius: 16px; padding: 0; width: min(660px, calc(100vw - 32px)); max-height: calc(100vh - 48px); background: var(--card); color: var(--ink);
  box-shadow: 0 30px 80px -30px rgba(40, 30, 10, .5); }
dialog.settings::backdrop { background: rgba(30, 25, 15, .28); }
.st { padding: 22px 24px 20px; font-family: var(--sans); }
.st h2 { margin: 0 0 14px; font-size: 18px; }
.st-opt { display: flex; gap: 10px; align-items: center; padding: 8px 0; font-weight: 550; font-size: 14.5px; cursor: pointer; }
.st-sub { display: grid; gap: 10px; padding: 4px 0 10px 26px; }
.st-sub label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
.st-sub input, .st-sub select { font: 450 14px var(--sans); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.st-note { font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }
.st-note.warn { color: var(--r-gap); margin: 0; }
.st-test { margin-top: 10px; font-size: 13px; padding: 8px 10px; border-radius: 8px; background: var(--surface); }
.st-test.ok { color: var(--r-result); } .st-test.bad { color: var(--r-limitation); }
.st-btns { display: flex; gap: 8px; margin-top: 18px; align-items: center; }
.st-uilang { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.st-uilang h3 { margin: 0 !important; }
.st-ui { font: 14px var(--sans); padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
/* landing: no model yet, the ways to connect one */
.connect { margin-top: 18px; padding: 16px 18px; border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); border-radius: 14px; background: var(--accent-soft); }
.connect[hidden] { display: none; }
.connect .cn-t { font: 650 16px var(--sans); color: var(--ink); }
.connect p { margin: 4px 0 12px; font-size: 13.5px; color: var(--ink-2); }
.cn-ways { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.cn-ways button { font: 600 14px var(--sans); border-radius: 10px; padding: 9px 14px; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.cn-ways button.primary { border: 0; color: #fff; background: var(--accent); }
.cn-ways button:disabled { opacity: .7; cursor: default; }
.st-oauth { display: flex; align-items: center; gap: 10px; margin: 10px 0 2px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent); background: var(--accent-soft); }
.st-oauth p { margin: 0; flex: 1; font-size: 12.5px; color: var(--ink-2); line-height: 1.5; }
.st-oauth button { flex: none; font: 600 13px var(--sans); border: 0; border-radius: 9px; padding: 7px 12px; color: #fff; background: var(--accent); cursor: pointer; }
.st-note.ok { color: var(--r-result); }
.st-bridge { display: flex; align-items: center; gap: 8px; margin: 10px 0 0; font-size: 13px; color: var(--ink-2); }
.st-bridge i { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); flex: none; }
.st-bridge.on i { background: var(--r-result); }
.st-bridge span { flex: 1; }
.st-bridge button { font: 600 12.5px var(--sans); border: 1px solid var(--accent); color: var(--accent); background: none; border-radius: 8px; padding: 4px 10px; cursor: pointer; }
.st-cmd { display: flex; align-items: center; gap: 8px; margin-top: 6px; }
.st-cmd code { font: 12.5px var(--mono); background: var(--surface); border: 1px solid var(--line-2); border-radius: 6px; padding: 3px 8px; }
.st-search { width: 100%; font: 13.5px var(--sans); padding: 6px 9px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface);
  color: var(--ink); margin: 4px 0 6px; outline: none; }
.st-search:focus { border-color: var(--accent); }
.st-count { font-weight: 500; color: var(--faint); }
.st-pick label[hidden] { display: none !important; }
.st-pick em.free { font-style: normal; font-size: 11px; font-weight: 600; color: var(--r-result); background: color-mix(in srgb, var(--r-result) 12%, transparent);
  border-radius: 4px; padding: 0 5px; margin-left: 4px; }
.st-btns span { flex: 1; }
.st-btns button { font: 550 14px var(--sans); border-radius: 9px; padding: 8px 14px; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.st-btns button.primary { border: 0; color: #fff; background: var(--accent); }

@media (max-width: 720px) {
  html.app body, html.app.landing.sb-open body { padding-left: 0; }
  html.app footer.zoom { left: 0; }
  #sidebar.collapsed { width: 0; border: 0; }
  #sidebar.collapsed .sb-rail { position: fixed; top: 8px; left: 8px; padding: 0; }
  #sidebar.collapsed .sb-rail .rail-btn:not(.rail-open) { display: none; }
  .sb-del { opacity: 1; }
  .gen-toast { right: 12px; bottom: 112px; }
  .hero h1 { font-size: 32px; }
  #newform .bar { padding: 6px 6px 6px 14px; }
  #newform input { flex-basis: calc(100% - 40px); }   /* the link on its own line; the language and Generate below it */
  .bar-sep { display: none; }
  .sel { flex: 1; }
  button.primary { padding: 12px; }
}

/* settings: model, agents, providers */
.st section { border-top: 1px solid var(--line-2); padding: 14px 0 6px; }
.st h3 { margin: 0 0 10px; font-size: 13px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.st-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 0; }
.st-row.end { justify-content: flex-end; }
.st select, .st input:not([type=checkbox]) { font: 450 14px var(--sans); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.st-model { flex: 1; min-width: 240px; }
.st-eff { display: flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--muted); }
.st button:not(.primary):not(.linkbtn) { font: 550 13.5px var(--sans); border-radius: 9px; padding: 7px 12px; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.st button:disabled { opacity: .55; cursor: default; }
.st button.primary { padding: 8px 16px; font-size: 14px; border-radius: 9px; }
.st-agent, .st-prov { display: flex; align-items: baseline; gap: 10px; padding: 6px 2px; font-size: 13.5px; border-bottom: 1px dashed var(--line-2); }
.st-agent i { width: 8px; height: 8px; border-radius: 50%; background: var(--r-result); flex: none; align-self: center; }
.st-agent.warn i { background: var(--r-gap); }
.st-agent span, .st-prov .st-host { color: var(--muted); font-size: 12.5px; }
.st-agent em, .st-prov em { margin-left: auto; font-style: normal; color: var(--ink-2); font-size: 12.5px; }
.st-agent code { font: 12px var(--mono); color: var(--faint); }
.st-src { font-size: 11px; padding: 1px 6px; border-radius: 5px; background: var(--surface); border: 1px solid var(--line-2); color: var(--muted); }
.st-src.thoughtdag { color: var(--accent); border-color: var(--accent-soft); background: var(--accent-soft); }
.st-prov .linkbtn { font-size: 12.5px; }
.st-check { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--ink-2); margin: 10px 0 2px; cursor: pointer; }
.st-form { display: grid; gap: 10px; margin-top: 10px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.st-form > label { display: grid; gap: 4px; font-size: 12.5px; color: var(--muted); }
.st-form input, .st-form select { background: var(--card) !important; }
.pf-err { font-size: 12.5px; color: var(--r-limitation); }
.st-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 12px; max-height: 220px; overflow-y: auto; font-size: 13px; }
.st-pick .st-label { grid-column: 1 / -1; font-size: 12.5px; color: var(--muted); margin-bottom: 2px; }
.st-pick label { display: flex; gap: 6px; align-items: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-pick em { color: var(--r-gap); font-style: normal; }

/* no model behind this server (PAPERFOLD_NO_AI): its settings are not offered */
.no-ai .sb-settings, .no-ai .rail-settings, .no-ai .model-line, .no-ai .sb-model, .no-ai #connect { display: none !important; }

/* the admin's session: a login link for guests, log out for the admin (auth.py) */
.sb-auth { margin-top: 6px; display: inline-block; font-size: 13px; }
.sb-auth button { font-size: 13px; }
.sb-lock { font-size: 11px; }