/* demo.html: one question, one action; the answer replaces the question; sources in a dialog. */
:root { --dot: #9aa1a7; }

.demo-page { min-height: 100vh; min-height: 100dvh; display: flex; flex-direction: column; }
.demo-page::before {                       /* faint ribbons, a quiet echo of the landing hero */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 0% 30%, rgba(45, 26, 185, .16), transparent 70%),
    radial-gradient(50% 45% at 100% 85%, rgba(24, 126, 8, .13), transparent 70%);
}
.sr-only:focus { position: fixed; left: 12px; top: 12px; width: auto; height: auto; clip: auto; z-index: 100;
  background: var(--cream); color: var(--cream-ink); padding: 8px 12px; border-radius: 6px; }

/* nav additions */
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 11px 4px 9px; white-space: nowrap; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.live i { background: var(--sent); box-shadow: 0 0 0 3px var(--sent-soft); }
.nav .links { margin-left: auto; align-items: center; }
.navlink { background: none; border: 0; padding: 0; font-size: 14px; color: inherit; opacity: .8; cursor: pointer; transition: opacity .2s; }
.navlink:hover { opacity: 1; }
.nav .btn { flex: none; }
@media (max-width: 720px) { .nav .wrap { gap: 12px; } .nav .btn { margin-left: auto; } .brand { font-size: 17px; } }

/* layout: fits one viewport on laptops and projectors */
.app {
  flex: 1; width: 100%; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 5vw, 72px);
  align-items: center; padding-top: clamp(12px, 3vh, 36px); padding-bottom: clamp(20px, 4vh, 48px);
  min-height: calc(100vh - var(--nav-h)); min-height: calc(100dvh - var(--nav-h));
}
.left { min-width: 0; align-self: center; }
.right { min-width: 0; display: flex; flex-direction: column; gap: 14px; }
#field { width: 100%; height: clamp(300px, 58vh, 640px); border: 1px solid var(--line); border-radius: 10px;
  background: rgba(17, 21, 24, .6); }

/* mode tabs */
.modes { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: clamp(28px, 6vh, 64px); }
.modes button { background: none; border: 0; padding: 7px 14px; border-radius: 5px; font-size: 14px; color: var(--text-2); cursor: pointer; }
.modes button[aria-selected="true"] { background: var(--card-2); color: var(--cream); }
.modes button:hover { color: var(--cream); }

.loading { color: var(--muted); }
.loading::before { content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 10px; vertical-align: -1px;
  border: 2px solid var(--line-2); border-top-color: var(--cream); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* question view */
.whose { background: none; border: 0; padding: 0; color: var(--text-2); font-size: 15px; cursor: pointer;
  text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 5px; }
.whose:hover { color: var(--cream); text-decoration-color: var(--cream); }
.q { font: 300 clamp(34px, 3.6vw, 52px)/1.1 var(--serif); letter-spacing: -0.015em; color: var(--cream); margin: 18px 0 14px; text-wrap: balance; }
.meta { color: var(--muted); font-size: 15px; margin: 0; }
.actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.grow { flex: 1; }
.hint { color: var(--muted); font-size: 14px; margin: 18px 0 0; }
kbd { font: 500 12px/1 var(--mono); border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 4px; padding: 2px 6px; color: var(--text-2); }

/* answer view */
.q-small { font: 300 clamp(20px, 1.8vw, 26px)/1.3 var(--serif); color: var(--text-2); margin: 0 0 10px; text-wrap: balance; }
.answer { font: 300 clamp(48px, 6vw, 84px)/1.02 var(--serif); letter-spacing: -0.02em; color: var(--cream); margin: 0;
  overflow-wrap: anywhere; text-wrap: balance; }
.answer.long { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.12; }
.answer.none { color: var(--text-2); font-style: italic; font-size: clamp(42px, 4.6vw, 64px); }
.answer.wait { font-size: clamp(32px, 3.4vw, 46px); color: var(--text-2); }
.sub { color: var(--text-2); font-size: 15px; margin: 16px 0 0; }
.sub b { color: var(--text); font-weight: 500; }
.ok { color: var(--sent); } .bad { color: #e8a87c; }
.srcrow { margin: 22px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; }
.srcrow[hidden] { display: none; }
#v-answer .actions { margin-top: 26px; }
.linkish { background: none; border: 0; padding: 0; cursor: pointer; color: var(--cream); font-size: 15px;
  text-decoration: underline; text-decoration-color: var(--line-2); text-underline-offset: 5px; }
.linkish:hover { text-decoration-color: var(--cream); }

.reask { margin-top: 22px; padding: 14px 16px; border: 1px solid var(--line); border-left: 2px solid var(--found);
  border-radius: 8px; background: rgba(140, 125, 255, .05); font-size: 15px; color: var(--text-2); }
.reask .flow { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-top: 6px; font: 300 22px/1.2 var(--serif); color: var(--cream); }
.reask s { color: var(--muted); text-decoration-thickness: 1px; }
.reask .pending { color: var(--muted); font-style: italic; }
.tag { font-size: 12px; border: 1px solid var(--line-2); border-radius: 999px; padding: 2px 8px; color: var(--text-2); margin-left: 6px; white-space: nowrap; }

/* memory audit: every dated mention of the thing asked about, oldest first (fixed height: no layout shift) */
.audit { margin-top: 22px; height: 150px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  background: rgba(17, 21, 24, .55); overflow: hidden; }
.au-head { margin: 0; font-size: 13px; color: var(--text-2); }
.audit.busy .au-head::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 8px; vertical-align: -1px;
  border: 2px solid var(--line-2); border-top-color: var(--cream); border-radius: 50%; animation: spin .8s linear infinite; }
.au-line { position: relative; height: 34px; margin: 6px 0 4px; }
.au-line .axis { position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: var(--line-2); }
.au-line .lab { position: absolute; top: 20px; font-size: 12px; color: var(--muted); }
.au-line .lab.l { left: 0; } .au-line .lab.r { right: 0; }
.au-line .mk { position: absolute; top: 0; width: 24px; height: 24px; margin-left: -12px; padding: 0; border: 0; background: none;
  cursor: pointer; display: grid; place-items: center; border-radius: 50%; }
.au-line .mk i { width: 10px; height: 10px; border-radius: 50%; background: var(--dot); opacity: .8; transition: transform .15s; }
.au-line .mk.other i { background: transparent; box-shadow: inset 0 0 0 1.5px var(--cream); opacity: .9; }
.au-line .mk.sent i { background: var(--sent); opacity: 1; }
.au-line .mk.cited i { background: var(--sent); opacity: 1; box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--cream); }
.au-line .mk.on i { transform: scale(1.35); }
.au-snip { margin: 0; font-size: 14px; line-height: 1.5; color: var(--text-2);
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden; }
.au-snip .sd, .mentions .sd { color: var(--muted); margin-right: 8px; font-variant-numeric: tabular-nums; }
.latest { font-size: 11px; color: var(--cream); border: 1px solid var(--line-2); border-radius: 999px; padding: 0 6px; margin-right: 6px; }
.au-snip mark, .mentions mark { background: rgba(79, 193, 62, .22); color: var(--cream); border-radius: 3px; padding: 0 2px; }
.au-snip mark.alt, .mentions mark.alt { background: none; box-shadow: inset 0 -2px 0 var(--found); }
.mentions { list-style: none; margin: 0 0 6px; padding: 0; font-size: 15px; color: var(--text-2); }
.mentions li { padding: 9px 0; border-top: 1px solid var(--line); line-height: 1.55; }
.mentions .new { color: var(--text-2); font-size: 12px; border: 1px dashed var(--line-2); border-radius: 999px; padding: 0 6px; margin-right: 6px; }

.progress { margin-top: 20px; font-size: 15px; color: var(--text-2); display: flex; align-items: center; gap: 12px; }
.progress::before { content: ""; width: 14px; height: 14px; flex: none; border: 2px solid var(--line-2);
  border-top-color: var(--found); border-radius: 50%; animation: spin .9s linear infinite; }
.progress.err::before { display: none; }
.progress.err { color: #e8a87c; }

.live-actions { margin-top: 26px; display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.toggle { display: inline-flex; align-items: center; gap: 10px; font-size: 15px; color: var(--text-2); cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--found); }

/* live form */
.lbl { display: block; font-size: 14px; color: var(--text-2); margin: 0 0 8px; }
.lbl + select { margin-bottom: 22px; }
select, textarea, input[type="search"] {
  width: 100%; background: var(--card); border: 1px solid var(--line-2); border-radius: 8px; color: var(--text);
  padding: 12px 14px; font-size: 16px;
}
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%), linear-gradient(135deg, var(--text-2) 50%, transparent 50%);
  background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
textarea { font: 300 clamp(22px, 2vw, 28px)/1.3 var(--serif); color: var(--cream); resize: vertical; min-height: 96px; }
textarea::placeholder { color: var(--muted); }
select:focus, textarea:focus, input:focus { outline: none; border-color: var(--cream); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chips button { background: none; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font-size: 13px;
  color: var(--text-2); cursor: pointer; text-align: left; max-width: 100%; }
.chips button:hover { border-color: var(--line-2); color: var(--cream); }

/* archive */
.cap { margin: 0; color: var(--text-2); font-size: 15px; }
.cap b { color: var(--cream); font-weight: 500; }
.cap .pct { color: var(--sent); font-weight: 500; }
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0; padding: 0; font-size: 13px; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: 7px; }
.legend .d { width: 9px; height: 9px; border-radius: 50%; background: var(--dot); opacity: .6; display: inline-block; }
.legend .d.sent { background: var(--sent); opacity: 1; }
.legend .d.cited { background: var(--sent); opacity: 1; box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--cream); }
.legend .d.found { background: transparent; opacity: 1; box-shadow: inset 0 0 0 2px var(--found); }
.legend .d.mention { background: transparent; opacity: 1; box-shadow: inset 0 0 0 1.5px var(--cream); }
.persona { margin: 0; font: 300 italic 17px/1.4 var(--serif); color: var(--text-2); }

/* dialogs */
dialog { border: 1px solid var(--line-2); border-radius: 12px; background: var(--card); color: var(--text); padding: 0;
  width: min(820px, calc(100vw - 24px)); max-height: min(86vh, 900px); }
dialog::backdrop { background: rgba(5, 7, 8, .72); backdrop-filter: blur(4px); }
.dlg { padding: clamp(20px, 3vw, 36px); }
.dlg header { display: flex; align-items: flex-start; gap: 16px; }
.dlg h2 { font: 300 clamp(28px, 3vw, 38px)/1.1 var(--serif); color: var(--cream); margin: 0; flex: 1; }
.x { background: none; border: 1px solid var(--line); border-radius: 6px; width: 36px; height: 36px; font-size: 22px; line-height: 1; color: var(--text-2); cursor: pointer; }
.x:hover { color: var(--cream); border-color: var(--line-2); }
.dsub { color: var(--text-2); margin: 8px 0 22px; }
.note { font-size: 15px; color: var(--text-2); border-left: 2px solid var(--line-2); padding: 2px 0 2px 14px; margin: 0 0 22px; }
.note:empty { display: none; }
.note .computed { color: var(--cream); }
.dlg h3 { font: 400 15px/1.4 var(--sans); color: var(--cream); margin: 26px 0 10px; }

.searches { list-style: none; margin: 0 0 6px; padding: 0; }
.searches > li { padding: 10px 0; border-top: 1px solid var(--line); }
.searches .sq { color: var(--cream); font-family: var(--serif); font-size: 19px; }
.searches ul { list-style: none; margin: 6px 0 0; padding: 0; font-size: 14px; color: var(--text-2); }
.searches ul li { margin: 4px 0; }
.searches .new { color: var(--found); font-size: 12px; border: 1px solid rgba(140,125,255,.5); border-radius: 999px; padding: 0 6px; margin-right: 6px; }
.searches .sd { color: var(--muted); margin-right: 8px; font-variant-numeric: tabular-nums; }

.timeline { position: relative; height: 70px; margin: 8px 0 18px; }
.timeline .axis { position: absolute; left: 0; right: 0; top: 28px; height: 1px; background: var(--line-2); }
.timeline .end { position: absolute; top: 0; font-size: 13px; color: var(--muted); }
.timeline .end.r { right: 0; }
.tick { position: absolute; top: 22px; transform: translateX(-50%); background: none; border: 0; padding: 0; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; color: var(--text-2); font-size: 13px; }
.tick i { width: 12px; height: 12px; border-radius: 50%; background: var(--sent); }
.tick.cited i { box-shadow: 0 0 0 2px var(--card), 0 0 0 3.5px var(--cream); }
.tick span { white-space: nowrap; }

.pass { border-top: 1px solid var(--line); padding: 18px 0 6px; scroll-margin-top: 12px; transition: background .4s; }
.pass header { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.pass.cited header .c { color: var(--cream); }
.pass .line { margin: 0 0 8px; font-size: 17px; line-height: 1.6; color: var(--text); }
.pass .line.assistant { color: var(--text-2); }
.pass .who { display: inline-block; min-width: 76px; color: var(--muted); font-size: 13px; }
.pass .gap { color: var(--muted); margin: 0 0 8px; }
.pass.flash { background: rgba(249, 245, 234, .05); }
.pass mark { background: rgba(79, 193, 62, .22); color: var(--cream); border-radius: 3px; padding: 0 2px; }
.pass mark.alt { background: none; box-shadow: inset 0 -2px 0 var(--found); }

/* plugin dialog */
.ptabs { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 8px; margin: 4px 0 14px; }
.ptabs button { background: none; border: 0; padding: 7px 12px; border-radius: 5px; font-size: 14px; color: var(--text-2); cursor: pointer; }
.ptabs button[aria-selected="true"] { background: var(--card-2); color: var(--cream); }
.ppanel { position: relative; }
.ppanel pre { margin: 0; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; padding-right: 92px;
  overflow-x: auto; font: 400 14px/1.6 var(--mono); color: var(--cream); white-space: pre-wrap; word-break: break-word; }
.ppanel .copy { position: absolute; top: 10px; right: 10px; }
.tools { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 0; font-size: 15px; }
.tools dt { font: 500 14px/1.55 var(--mono); color: var(--cream); }
.tools dd { margin: 0; color: var(--text-2); }

.plist { margin-top: 16px; max-height: 60vh; overflow: auto; }
.plist h3 { font: 500 13px/1.4 var(--sans); color: var(--muted); margin: 18px 0 6px; }
.plist button { display: block; width: 100%; text-align: left; background: none; border: 0; border-radius: 6px;
  padding: 8px 10px; color: var(--text); font-size: 15px; cursor: pointer; }
.plist button:hover, .plist button:focus-visible { background: var(--card-2); color: var(--cream); }
.plist button[aria-current="true"] { color: var(--sent); }

/* small screens: stack, archive under the question */
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; align-items: start; min-height: 0; }
  .loading, #v-ask { min-height: 360px; }
  .modes { margin-bottom: 28px; }
  #field { height: 300px; }
  .actions .grow { display: none; }
}
@media (max-width: 480px) {
  .audit { height: 178px; }
  .au-snip { -webkit-line-clamp: 4; line-clamp: 4; }
  .tools { grid-template-columns: 1fr; gap: 2px; }
  .tools dd { margin-bottom: 8px; }
  .q { font-size: 32px; }
  .answer { font-size: 46px; }
  .actions .btn { flex: 1 1 auto; }
  .pass .who { display: block; }
}
.answer:focus { outline: none; }

/* ---------- before it acts: agent pre-flight ---------- */
#v-agent select { width: 100%; }
.why { margin: 12px 0 0; color: var(--text-2); font-size: 15px; min-height: 1.5em; }
.checks { list-style: none; margin: 18px 0 0; padding: 0; border-top: 1px solid var(--line); }
.check { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 2px 10px; }
.check .mk { width: 14px; height: 14px; margin-top: 4px; border-radius: 50%; border: 1.5px solid var(--line-2); }
.check.run .mk { border-color: var(--found); border-top-color: transparent; animation: spin .8s linear infinite; }
.check.ok .mk { background: var(--sent); border-color: var(--sent); }
.check.ask .mk { border-color: var(--cream); border-style: dashed; }
.check .cq { color: var(--cream); font-size: 15.5px; line-height: 1.45; }
.check .res { grid-column: 2; font-size: 14.5px; line-height: 1.5; color: var(--text-2); height: 4.5em;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.check .res mark { background: var(--sent-soft); color: var(--cream); padding: 0 2px; border-radius: 2px; }
.check .meta2 { grid-column: 2; font: 400 12.5px/1.4 var(--mono); color: var(--muted); display: flex; gap: 12px; align-items: center; height: 1.4em; overflow: hidden; white-space: nowrap; }
.check .rcpt { background: none; border: 0; padding: 0; color: var(--text-2); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font: inherit; }
.check .rcpt:hover { color: var(--cream); }
.check.ask .res { color: var(--cream); }
.asum { margin: 14px 0 0; min-height: 1.5em; color: var(--cream); font-size: 16px; }
@keyframes spin { to { transform: rotate(360deg); } }