/* RAG Knowledge Assistant demo page. Desktop: the story on top, questions on the left, the
   source document on the right. Phone (under 900px): one column, a switch between the answer
   and its source, and the story as a sheet at the bottom. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; }
body {
  background: var(--desk);
  color: var(--ink);
  font: 400 15px/1.55 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.i-sm { width: 15px; height: 15px; }
.phone-inline { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.mono { font-family: var(--font-mono); }
[hidden] { display: none !important; }
button, input, textarea { font: inherit; color: inherit; }
a { color: var(--link); }
:focus { outline: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.card :focus-visible, .page :focus-visible, .composer-box :focus-visible { outline-color: #1E3A8A; }  /* paper stays white in dark mode */

/* ---------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); padding: 0 18px; border-radius: 8px; border: 1px solid transparent;
  font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:disabled { opacity: .55; cursor: default; }
.btn-primary { background: var(--btn-bg); color: var(--btn-ink); }
.btn-primary:not(:disabled):hover { background: var(--btn-hover); }
.btn-primary:not(:disabled):active { transform: translateY(1px); }
.btn-secondary { background: var(--chip-bg); color: var(--ink); border-color: var(--rule-strong); }
.btn-secondary:not(:disabled):hover { border-color: var(--ink-2); }
.btn-ghost { background: transparent; color: var(--ink-2); padding: 0 12px; font-weight: 500; }
.btn-ghost:hover { background: var(--desk-deep); color: var(--ink); }
.btn-link {
  min-height: var(--tap); padding: 0 6px; background: none; border: 0; color: var(--link);
  font-weight: 600; text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.btn.ring, .ring-target { box-shadow: 0 0 0 3px var(--surface), 0 0 0 6px var(--hl); }

/* ---------------------------------------------------------------- top bar */
.app { display: grid; grid-template-rows: auto auto 1fr; height: 100vh; height: 100dvh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: var(--topbar-h); padding: 8px 24px; border-bottom: 1px solid var(--rule); background: var(--desk);
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  position: relative; width: 30px; height: 36px; flex: none; border-radius: 4px; background: var(--paper);
  border: 1.5px solid var(--blue); display: grid; align-content: center; gap: 4px; padding: 0 5px;
}
.brand-mark i { display: block; height: 3px; border-radius: 2px; background: #C9C4BA; }
.brand-mark i.hl { height: 5px; background: var(--hl); }
.brand-mark b {
  position: absolute; right: -8px; top: -7px; width: 16px; height: 16px; border-radius: 4px; background: var(--blue);
  color: #fff; font: 600 10px/16px var(--font-mono); text-align: center;
}
.brand-name { margin: 0; font: 600 17px/1.2 var(--font-ui); letter-spacing: -.01em; white-space: nowrap; }
.brand-sub { font-size: 13px; color: var(--muted); }
.top-actions { display: flex; gap: 4px; flex: none; }

/* ---------------------------------------------------------------- the story */
.story {
  display: flex; align-items: flex-end; justify-content: flex-start; gap: 32px;
  padding: 16px 24px 18px; background: var(--surface); border-bottom: 1px solid var(--rule);
}
.story-main { min-width: 0; flex: 0 1 760px; }
.story-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; flex: none; justify-content: flex-start; }
.story-actions:empty { display: none; }
.kicker {
  display: flex; align-items: center; gap: 10px; margin-bottom: 4px;
  font: 500 12px/1.4 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
}
.ticks { display: inline-flex; gap: 3px; }
.ticks i { width: 14px; height: 3px; border-radius: 2px; background: var(--rule-strong); }
.ticks i.on { background: var(--blue-ink); }
.story-title { margin: 0; font: 600 25px/1.2 var(--font-doc); letter-spacing: -.01em; }
.story-text { margin: 6px 0 0; color: var(--ink-2); max-width: 70ch; }
.story-text q { font-style: italic; }
.story-text b { color: var(--ink); }
.story-wait { display: flex; align-items: center; gap: 10px; margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.story-fine { margin: 8px 0 0; font-size: 13px; color: var(--muted); max-width: 72ch; }

/* step 0: the first screen, with a specimen of an answer and a refusal on the right */
.story-art:empty { display: none; }
body[data-step="0"] .story {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 470px); grid-template-areas: "main art" "actions art";
  column-gap: 48px; row-gap: 22px; align-items: start; padding: 40px 48px 36px;
}
body[data-step="0"] .story-main { grid-area: main; }
body[data-step="0"] .story-actions { grid-area: actions; justify-content: flex-start; }
body[data-step="0"] .story-art { grid-area: art; align-self: center; }
.specimen { position: relative; height: 330px; }
.spec-card {
  position: absolute; width: 400px; padding: 16px 18px; background: var(--paper); color: var(--paper-ink);
  border: 1px solid var(--paper-edge); border-radius: var(--radius); box-shadow: var(--shadow-page);
}
.spec-card .a-q { font-size: 16px; margin: 2px 0 10px; }
.spec-card .a-body { font-size: 16px; line-height: 1.5; margin: 0; }
.spec-back { right: 0; top: 196px; width: 330px; z-index: 2; transform: rotate(2deg); }
.spec-back .stamp { font-size: 13px; }
.spec-back .a-q { margin-bottom: 12px; }
.spec-front { left: 0; top: 0; transform: rotate(-1.2deg); }
.spec-front .qt { animation: sweep 900ms .6s cubic-bezier(.3, .7, .2, 1) both; }
.spec-front .fn { cursor: default; }
.spec-src { display: flex; align-items: center; gap: 8px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--paper-rule); font-size: 13px; color: var(--paper-ink-2); }
.spec-src .n { min-width: 20px; height: 20px; border-radius: 5px; display: grid; place-items: center; background: #E8EDFB; color: #1E3A8A; font: 600 11px/1 var(--font-mono); }
@media (max-width: 1180px) { body[data-step="0"] .story { grid-template-columns: minmax(0, 1fr) minmax(0, 400px); padding: 32px 24px; column-gap: 28px; } .spec-card { width: 350px; } .spec-back { width: 300px; } }
@media (max-width: 1020px) { body[data-step="0"] .story { grid-template-columns: 1fr; grid-template-areas: "main" "actions"; } .story-art { display: none; } }

/* step 6: the report uses the whole width */
body[data-step="6"] .workspace { grid-template-columns: 1fr; }
body[data-step="6"] .desk-pane, body[data-step="6"] .asker { display: none; }
body[data-step="6"] .ask-pane { border-right: 0; }
body[data-step="6"] .answers { max-width: 1000px; margin: 0 auto; }
body[data-step="0"] .workspace { opacity: .5; filter: saturate(.7); pointer-events: none; }
@media (prefers-color-scheme: dark) { body[data-step="0"] .workspace { opacity: .7; filter: none; } }
.pill {
  display: inline-flex; align-items: center; gap: 6px; min-height: 26px; padding: 2px 10px; border-radius: 999px;
  border: 1px solid var(--rule-strong); background: var(--paper); color: var(--paper-ink-2);
  font: 500 12px/1.3 var(--font-mono); letter-spacing: .03em;
}
.headline { margin: 14px 0 0; font: 600 44px/1.06 var(--font-doc); letter-spacing: -.02em; }
.headline .hl-word {
  background-image: linear-gradient(var(--hl), var(--hl)); background-repeat: no-repeat;
  background-size: 100% 42%; background-position: 0 88%; padding: 0 2px;
  animation: sweep 900ms .25s cubic-bezier(.3, .7, .2, 1) both;
}
.lede { margin: 12px 0 0; max-width: 60ch; font-size: 17px; color: var(--ink-2); }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 16px 0 0; padding: 0; list-style: none; color: var(--ink-2); }
.hero-points li { display: flex; align-items: center; gap: 7px; font-size: 14px; }
.hero-points .i { color: var(--check); }
.ai-line { display: flex; gap: 8px; align-items: flex-start; margin: 14px 0 0; max-width: 72ch; font-size: 13px; color: var(--muted); }
.ai-line .i { margin-top: 2px; }

/* ---------------------------------------------------------------- workspace */
.workspace { display: grid; grid-template-columns: minmax(360px, 1fr) minmax(400px, 1.12fr); min-height: 0; }
.ask-pane { min-height: 0; overflow: auto; padding: 18px 24px 40px; border-right: 1px solid var(--rule); }
.desk-pane { min-height: 0; overflow: auto; padding: 22px 28px 48px; background: var(--desk-deep); }
.phone-only { display: none; }

/* who is asking */
.asker { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; margin-bottom: 14px; }
.asker-label { font: 500 12px/1.4 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.personas { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.persona {
  display: inline-flex; align-items: center; gap: 8px; min-height: var(--tap); padding: 4px 12px 4px 5px;
  border-radius: 999px; border: 1px solid var(--rule-strong); background: var(--chip-bg); color: var(--chip-ink); cursor: pointer;
}
.persona[aria-pressed="true"] { border-color: var(--blue-ink); box-shadow: inset 0 0 0 1px var(--blue-ink); }
.persona:disabled { cursor: default; }
.persona:disabled:not([aria-pressed="true"]) { opacity: .8; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; flex: none;
  font: 600 13px/1 var(--font-ui); color: #fff; background: #5B6B8C;
}
.avatar.hana { background: #7A4E8C; }
.avatar.farid { background: #2F6B5E; }
.avatar.maria { background: #9A5B2E; }
.persona-name { font-weight: 600; font-size: 14px; }
.persona-team { font-size: 13px; color: var(--muted); }

/* the question box (free use) */
.composer { margin-bottom: 12px; }
body.free .ask-top { position: sticky; top: -18px; z-index: 5; margin: -10px 0 0; padding: 10px 0 4px; background: var(--desk); }
.composer-box {
  display: flex; gap: 8px; align-items: flex-end; padding: 6px; border-radius: 12px;
  border: 1px solid var(--rule-strong); background: var(--paper);
}
.composer-box:focus-within { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-soft); }
.composer textarea {
  flex: 1; min-width: 0; min-height: var(--tap); max-height: 140px; resize: none; border: 0; background: transparent;
  padding: 10px 10px; font: 400 16px/1.4 var(--font-ui); color: var(--paper-ink);
}
.composer textarea::placeholder { color: var(--paper-muted); }
.composer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; margin-top: 8px; font-size: 13px; color: var(--muted); }
.seg { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--desk-deep); border: 1px solid var(--rule); }
.seg button {
  min-height: 38px; padding: 0 12px; border: 0; border-radius: 8px; background: transparent; color: var(--ink-2);
  font-weight: 500; font-size: 14px; cursor: pointer;
}
.seg button[aria-pressed="true"] { background: var(--paper); color: var(--paper-ink); box-shadow: 0 1px 2px rgba(0, 0, 0, .12); font-weight: 600; }
.seg button:disabled { opacity: .5; cursor: default; }
.search-note { display: flex; gap: 6px; align-items: flex-start; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px; min-height: var(--tap); padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--rule-strong); background: var(--chip-bg); color: var(--chip-ink); font-size: 14px; cursor: pointer; text-align: left;
}
.chip:not(:disabled):hover { border-color: var(--ink-2); }
.chip.test .i { color: var(--blue-ink); }
.chips { display: block; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-label { margin: 14px 0 8px; font: 500 12px/1.4 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.chip .who { font: 500 11px/1 var(--font-mono); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }

/* ---------------------------------------------------------------- answer cards (paper) */
.answers { display: grid; gap: 18px; }
.card {
  position: relative; background: var(--paper); color: var(--paper-ink); border: 1px solid var(--paper-edge);
  border-radius: var(--radius); box-shadow: var(--shadow-page); padding: 18px 20px 14px;
}
.card.fresh { animation: land .35s ease-out both; }
.card.past { opacity: .82; }
@media (prefers-color-scheme: dark) { .card.past { opacity: 1; } }
.eyebrow { font: 500 11.5px/1.4 var(--font-mono); letter-spacing: .07em; text-transform: uppercase; color: var(--paper-muted); }
.a-head { display: flex; gap: 10px; align-items: flex-start; padding-bottom: 12px; margin-bottom: 12px; border-bottom: 1px dashed var(--paper-rule); }
.a-head .avatar { width: 28px; height: 28px; font-size: 12px; margin-top: 2px; }
.a-q { margin: 2px 0 0; font: italic 400 18px/1.35 var(--font-doc); color: var(--paper-ink); }
.a-head .by { text-transform: none; letter-spacing: 0; font-family: var(--font-ui); font-size: 12.5px; }
body.in-story .card.answer .meta, body.in-story .card.answer .why, body.in-story .card.answer .audit { display: none; }
.kw-note {
  display: flex; gap: 7px; align-items: flex-start; width: fit-content; max-width: 100%; margin: 12px 0 0; padding: 6px 10px;
  border-radius: 6px; background: #FFF4C7; color: #6A4B00; border: 1px solid #F1D57A; font-size: 13.5px;
}
.kw-note .i { margin-top: 2px; }
.hint { display: flex; gap: 8px; align-items: flex-start; margin: 10px 0 0; font-size: 14px; color: var(--paper-ink-2); }
.hint .i { margin-top: 3px; color: var(--paper-muted); }
.a-body { font: 400 18px/1.55 var(--font-doc); color: var(--paper-ink); }
.a-body p { margin: 0 0 8px; }
.a-body .quote { display: block; margin: 0 0 8px; }
.qt {
  background-image: linear-gradient(var(--hl), var(--hl)); background-repeat: no-repeat; background-size: 100% 100%;
  box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 1px 2px; border-radius: 2px; mix-blend-mode: multiply;
}
.card.fresh .qt { animation: sweep 700ms .15s cubic-bezier(.3, .7, .2, 1) both; }

/* footnotes: small ink blue numbers with a full-size touch area */
.fn {
  position: relative; display: inline-grid; place-items: center; min-width: 21px; height: 21px; margin: 0 1px 0 3px; padding: 0 5px;
  vertical-align: 5px; border-radius: 5px; border: 1px solid var(--blue-line); background: #E8EDFB; color: #1E3A8A;
  font: 600 12px/1 var(--font-mono); cursor: pointer;
}
.fn::before { content: ""; position: absolute; inset: -12px -12px; }
.fn:hover, .fn[aria-current="true"] { background: #1E3A8A; color: #fff; border-color: #1E3A8A; }
.fn.ring { box-shadow: 0 0 0 3px #fff, 0 0 0 6px var(--hl); }

.sources { list-style: none; margin: 12px 0 0; padding: 10px 0 0; border-top: 1px solid var(--paper-rule); display: grid; gap: 2px; }
.src {
  display: flex; align-items: flex-start; gap: 10px; width: 100%; min-height: var(--tap); padding: 6px 8px; margin: 0 -8px;
  border: 0; border-radius: 6px; background: none; color: var(--paper-ink-2); text-align: left; cursor: pointer; font-size: 14px;
}
.src:hover { background: #F6F4EF; }
.src .n { flex: none; min-width: 21px; height: 21px; border-radius: 5px; display: grid; place-items: center; background: #E8EDFB; color: #1E3A8A; font: 600 12px/1 var(--font-mono); margin-top: 1px; }
.src .where { min-width: 0; }
.src .where b { color: var(--paper-ink); font-weight: 600; }
.src .coll { display: block; font: 500 11px/1.5 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--paper-muted); }

.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  display: inline-flex; align-items: center; gap: 5px; min-height: 26px; padding: 2px 9px; border-radius: 6px;
  font: 500 12px/1.3 var(--font-ui); background: #F3F1EC; color: var(--paper-ink-2); border: 1px solid var(--paper-rule);
}
.tag .i { width: 14px; height: 14px; }
.tag.ai { background: #E8EDFB; color: #1E3A8A; border-color: #C7D2F3; }
.tag.ok { background: #E7F3EC; color: #1F6F43; border-color: #BFDFCB; }
.tag.kw { background: #FFF4C7; color: #6A4B00; border-color: #F1D57A; }
.tag.test { background: #FDECEA; color: #B42318; border-color: #F2B8B2; }
.why { margin: 8px 0 0; font-size: 13px; color: var(--paper-muted); }
.warn {
  display: flex; gap: 8px; align-items: flex-start; margin: 12px 0 0; padding: 10px 12px; border-radius: 8px;
  background: #FDECEA; color: #8C1D13; font-size: 14px; border: 1px solid #F2B8B2;
}
.warn .i { color: #B42318; margin-top: 1px; }

/* the margin note: who can see this */
.margin-note {
  position: relative; margin: 14px 0 0; padding: 4px 0 4px 14px; border-left: 2px solid #C9C4BA;
  font: italic 400 15px/1.45 var(--font-doc); color: var(--paper-ink-2);
}
.margin-note .eyebrow { display: flex; align-items: center; gap: 5px; font-style: normal; margin-bottom: 2px; }
.margin-note .eyebrow .i { width: 13px; height: 13px; color: var(--paper-muted); }
.margin-note b { font-style: normal; font-weight: 600; color: var(--paper-ink); }

/* not in your documents: the stamp */
.refusal { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; padding: 6px 0 2px; }
.stamp {
  display: inline-block; padding: 7px 14px 6px; border: 3px double #B42318; border-radius: 6px; color: #B42318;
  font: 700 15px/1.1 var(--font-ui); letter-spacing: .1em; text-transform: uppercase; transform: rotate(-3deg);
  background: rgba(253, 236, 234, .55);
}
.card.fresh .stamp { animation: stamp .45s .1s cubic-bezier(.2, 1.4, .4, 1) both; }
.refusal p { margin: 0; flex: 1 1 220px; font: 400 17px/1.45 var(--font-doc); color: var(--paper-ink-2); }

/* held: a draft that failed the source check */
.held { margin: 0 0 12px; padding: 12px 14px; border-radius: 8px; border: 1.5px solid #B42318; background: #FFF8F7; }
.held-head { display: flex; gap: 8px; align-items: center; color: #8C1D13; font-weight: 700; font-size: 15px; }
.held-head .i { color: #B42318; }
.held-sub { margin: 4px 0 8px; font-size: 13px; color: var(--paper-muted); }
.draft { margin: 0; font: 400 17px/1.5 var(--font-doc); color: #5E5A52; }
.draft del { text-decoration: line-through; text-decoration-color: #B42318; text-decoration-thickness: 2px; }
.problems { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.problems li { display: flex; gap: 7px; align-items: flex-start; font-size: 14px; color: #8C1D13; }
.problems .i { color: #B42318; margin-top: 2px; width: 15px; height: 15px; }
.shown-instead { margin: 0 0 6px; }

.audit { margin-top: 12px; border-top: 1px solid var(--paper-rule); }
.audit summary {
  display: flex; align-items: center; gap: 8px; min-height: var(--tap); cursor: pointer; list-style: none;
  font: 500 12px/1.3 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--paper-muted);
}
.audit summary::-webkit-details-marker { display: none; }
.audit summary .chev { margin-left: auto; transition: transform .2s ease; }
.audit[open] summary .chev { transform: rotate(180deg); }
.audit ul { margin: 0 0 6px; padding: 0; list-style: none; font: 400 12px/1.5 var(--font-mono); color: var(--paper-ink-2); }
.audit li { padding: 6px 0; border-top: 1px dotted var(--paper-rule); overflow-wrap: anywhere; }

.pending { display: flex; align-items: center; gap: 12px; color: var(--paper-muted); font-size: 15px; }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .35; animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: .2s; }
.dots i:nth-child(3) { animation-delay: .4s; }

.empty-card { border-style: dashed; box-shadow: none; background: transparent; color: var(--muted); border-color: var(--rule-strong); }
.empty-card .a-body { font-size: 16px; color: var(--muted); }
.empty-card .ghost { display: grid; gap: 7px; margin-top: 10px; }
.empty-card .ghost i { display: block; height: 8px; border-radius: 4px; background: var(--rule); }
.empty-card .ghost i.hl { background: var(--hl); width: 72%; }
.empty-card .ghost i:nth-child(3) { width: 55%; }

/* step 6: what it costs and how it was tested */
.report h3.report-sub { margin: 18px 0 10px; font: 600 19px/1.3 var(--font-doc); }
.takeaways { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.takeaways li { display: flex; gap: 10px; align-items: flex-start; font: 400 19px/1.4 var(--font-doc); color: var(--paper-ink); }
.takeaways .i { width: 22px; height: 22px; color: #1F6F43; margin-top: 2px; }
.honest { margin: 14px 0 0; padding-left: 32px; font-size: 14px; color: var(--paper-muted); }
.tested { margin-top: 6px; border-top: 1px solid var(--paper-rule); }
.tested summary {
  display: flex; align-items: center; gap: 8px; min-height: var(--tap); cursor: pointer; list-style: none;
  font: 600 15px/1.3 var(--font-ui); color: var(--paper-ink);
}
.tested summary::-webkit-details-marker { display: none; }
.tested summary .chev { transition: transform .2s ease; }
.tested[open] summary .chev { transform: rotate(180deg); }
.eval sup { color: var(--paper-muted); }
.figures { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.figure { padding: 12px 14px; border-radius: 8px; background: #F7F5F0; border: 1px solid var(--paper-rule); }
.figure span { display: block; font: 500 11.5px/1.4 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; color: var(--paper-muted); }
.figure strong { display: block; margin-top: 2px; font: 600 28px/1.15 var(--font-doc); color: var(--paper-ink); }
.figure small { display: block; margin-top: 2px; font-size: 13px; color: var(--paper-muted); }
.eval { width: 100%; border-collapse: collapse; font-size: 14px; }
.eval th, .eval td { padding: 8px 8px; text-align: left; border-bottom: 1px solid var(--paper-rule); vertical-align: top; }
.eval { table-layout: fixed; }
.eval thead th:first-child { width: 32%; }
.eval thead th { font: 500 11px/1.35 var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--paper-muted); }
.eval td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.eval th[scope="row"] { font-weight: 600; }
.eval th[scope="row"] small { display: block; font-weight: 400; color: var(--paper-muted); font-size: 12.5px; }
.eval tr.later td { color: var(--paper-muted); font-style: italic; }
.fine { margin: 10px 0 0; font-size: 13px; color: var(--paper-muted); }

/* ---------------------------------------------------------------- the source document (paper) */
.page {
  position: relative; max-width: 720px; margin: 0 auto; padding: 34px 44px 40px; background: var(--paper); color: var(--paper-ink);
  border: 1px solid var(--paper-edge); border-radius: 4px; box-shadow: var(--shadow-page);
}
.page-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font: 500 11.5px/1.4 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--paper-muted); }
.page-title { margin: 10px 0 4px; font: 600 30px/1.15 var(--font-doc); letter-spacing: -.01em; }
.page .page-from { margin: 0 0 18px; font: 400 13px/1.5 var(--font-ui); color: var(--paper-muted); }
.page h3 { margin: 22px 0 6px; font: 600 19px/1.3 var(--font-doc); }
.page p, .page li { font: 400 17px/1.6 var(--font-doc); color: var(--paper-ink-2); }
.page p { margin: 0 0 10px; }
.page ul { margin: 0 0 10px; padding-left: 22px; }
.page-break {
  display: flex; align-items: center; gap: 10px; margin: 22px 0 8px; font: 500 11px/1 var(--font-mono);
  letter-spacing: .08em; text-transform: uppercase; color: var(--paper-muted);
}
.page-break::before, .page-break::after { content: ""; flex: 1; border-top: 1px dashed var(--paper-rule); }
.passage { position: relative; border-radius: 4px; }
.passage.cited::before {
  content: ""; position: absolute; left: -22px; top: 6px; bottom: 6px; width: 3px; border-radius: 2px; background: #1E3A8A;
}
mark.hl {
  color: inherit; background-color: transparent;
  background-image: linear-gradient(var(--hl), var(--hl)); background-repeat: no-repeat; background-size: 100% 100%;
  box-decoration-break: clone; -webkit-box-decoration-break: clone; padding: 1px 1px; border-radius: 2px; mix-blend-mode: multiply;
}
mark.hl.soft { background-image: linear-gradient(var(--hl-soft), var(--hl-soft)); }
mark.hl.active { animation: sweep 750ms .05s cubic-bezier(.3, .7, .2, 1) both; scroll-margin: 120px 0; }
.mark-fn {
  display: inline-grid; place-items: center; min-width: 18px; height: 18px; padding: 0 4px; margin-left: 2px; vertical-align: 4px;
  border-radius: 4px; background: #1E3A8A; color: #fff; font: 600 11px/1 var(--font-mono);
}
.planted { background: #FDECEA; border-bottom: 2px solid #B42318; color: #6E1A12; }
.planted-note {
  display: flex; gap: 8px; align-items: flex-start; margin: 4px 0 12px; padding: 8px 10px; border-left: 3px solid #B42318;
  background: #FFF8F7; font: 400 13.5px/1.45 var(--font-ui); color: #8C1D13;
}
.planted-note .i { color: #B42318; margin-top: 1px; }

.desk-empty { display: grid; place-items: center; min-height: 100%; padding: 20px 0; text-align: center; color: var(--muted); }
.desk-empty p { max-width: 36ch; margin: 18px auto 0; font-size: 15px; }
.desk-empty .refusal-page { max-width: 460px; padding: 28px 30px; text-align: left; }
.refusal-page p { max-width: none; margin: 14px 0 0; font: 400 17px/1.5 var(--font-doc); color: var(--paper-ink-2); }
.desk-preview { padding: 6px 0 12px; }
.desk-preview .spec-card { position: static; width: auto; transform: none; }
.ghost-page {
  position: relative; width: 210px; height: 260px; margin: 0 auto; padding: 26px 22px; background: var(--paper);
  border: 1px solid var(--paper-edge); border-radius: 4px; box-shadow: var(--shadow-page); display: grid; align-content: start; gap: 10px;
}
.ghost-page i { display: block; height: 7px; border-radius: 4px; background: #E7E4DD; }
.ghost-page i.t { height: 12px; width: 60%; background: #D9D5CC; margin-bottom: 6px; }
.ghost-page i.hl { background: var(--hl); height: 9px; }
.ghost-page i:nth-child(4) { width: 80%; }
.ghost-page i:nth-child(7) { width: 66%; }
.ghost-page b {
  position: absolute; right: -12px; top: 92px; width: 26px; height: 26px; border-radius: 6px; background: #1E3A8A; color: #fff;
  font: 600 13px/26px var(--font-mono); text-align: center;
}

/* ---------------------------------------------------------------- toast */
.toast {
  position: fixed; left: 50%; top: 18px; transform: translateX(-50%); z-index: 50; max-width: min(520px, calc(100vw - 32px));
  padding: 12px 16px; border-radius: 10px; background: var(--ink); color: var(--desk); font-size: 14px; box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .4);
}

/* ---------------------------------------------------------------- motion */
@keyframes sweep { from { background-size: 0% 100%; } to { background-size: 100% 100%; } }
.headline .hl-word { animation-name: sweep-word; }
@media (prefers-color-scheme: dark) { .headline .hl-word { background-size: 100% 100%; background-position: 0 0; color: var(--paper-ink); border-radius: 3px; } }
@keyframes sweep-word-dark { from { background-size: 0% 100%; } to { background-size: 100% 100%; } }
@media (prefers-color-scheme: dark) { .headline .hl-word { animation-name: sweep-word-dark; } }
@keyframes sweep-word { from { background-size: 0% 42%; } to { background-size: 100% 42%; } }
@keyframes land { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes stamp { from { opacity: 0; transform: rotate(-3deg) scale(1.35); } to { opacity: 1; transform: rotate(-3deg) scale(1); } }
@keyframes blink { 0%, 100% { opacity: .25; } 50% { opacity: .9; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------------- medium screens */
@media (max-width: 1180px) and (min-width: 900px) {
  .headline { font-size: 38px; }
  .page { padding: 28px 30px 34px; }
  .desk-pane { padding: 20px 20px 40px; }
  .ask-pane { padding: 16px 18px 36px; }
}
@media (max-height: 760px) and (min-width: 900px) {
  body[data-step="0"] .story { padding: 26px 24px 24px; }
  .headline { font-size: 38px; margin-top: 10px; }
  .story { padding: 12px 24px 14px; }
  .story-title { font-size: 22px; }
}

/* ---------------------------------------------------------------- phones */
@media (max-width: 899px) {
  :root { --topbar-h: 52px; }
  body { font-size: 15px; }
  .wide-only { display: none; }
  .phone-inline { display: inline; }
  .app { display: block; height: auto; }
  .topbar { padding: 6px 12px 6px 16px; min-height: var(--topbar-h); }
  .brand-mark { width: 24px; height: 30px; gap: 3px; padding: 0 4px; }
  .brand-mark b { width: 14px; height: 14px; font-size: 9px; line-height: 14px; right: -7px; top: -6px; }
  .brand-name { font-size: 15px; }
  .brand-sub { display: none; }
  #replay { display: none; }
  body.free .story-text, body.free .story .kicker { display: none; }
  body.free .story { gap: 6px; padding-top: 10px; }
  body.free .story-title { font-size: 17px; padding-right: 130px; }
  body.free .story-actions { position: absolute; top: 4px; right: 10px; }
  .story .composer { margin: 2px 0 0; }
  .story .composer-meta { margin-top: 6px; }
  .story .composer-meta .search-note:not(.keywords-only) { display: none; }
  .story .composer-meta:empty, .story .composer-meta:not(:has(.seg, .keywords-only)) { display: none; }
  body[data-step="0"] .workspace { opacity: 1; filter: none; }
  body[data-step="6"] .switch-row { display: none; }
  body.free .ask-top { position: static; margin: 0; padding: 0; }
  .held { padding: 10px 12px; }
  .held-sub { font-size: 12.5px; margin-bottom: 6px; }
  .draft { font-size: 15.5px; }
  .problems li { font-size: 13px; }
  .instead .a-body { font-size: 16px; }
  .btn-ghost { padding: 0 10px; }
  .phone-only { display: block; }
  .switch-row {
    position: sticky; top: 0; z-index: 10; padding: 8px 16px; background: var(--desk); border-bottom: 1px solid var(--rule);
  }
  .switch-row .seg { display: flex; }
  .switch-row .seg button { flex: 1; min-height: 40px; }
  body[data-step="0"] .switch-row { display: none; }
  .workspace { display: block; padding-bottom: calc(var(--story-h, 220px) + 12px); }
  .ask-pane, .desk-pane { overflow: visible; border: 0; padding: 14px 16px 20px; }
  .desk-pane { background: transparent; }
  body[data-pane="answer"] .desk-pane { display: none; }
  body[data-pane="source"] .ask-pane { display: none; }
  body[data-step="0"] .desk-pane { display: block; }
  body[data-step="0"] .ask-pane { display: none; }
  .story {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; flex-direction: column; align-items: stretch; gap: 10px;
    max-height: 72vh; overflow: auto; padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--rule-strong); border-bottom: 0; box-shadow: var(--shadow-sheet); border-radius: 16px 16px 0 0;
  }
  body[data-step="0"] .story { padding: 20px 16px calc(18px + env(safe-area-inset-bottom)); align-items: stretch; }
  .story-main { flex: none; }
  .story-title { font-size: 21px; }
  .story-text { font-size: 14.5px; margin-top: 4px; }
  .story-actions { justify-content: stretch; gap: 8px; }
  .story-actions .btn { flex: 1 1 auto; }
  .story-actions .btn-link { flex: 0 0 auto; }
  .headline { font-size: 32px; margin-top: 10px; }
  .lede { font-size: 15px; margin-top: 8px; }
  .hero-points { display: none; }
  .ai-line { margin-top: 10px; font-size: 12.5px; }
  .card { padding: 14px 14px 10px; }
  .a-q { font-size: 16.5px; }
  .a-body { font-size: 17px; }
  .page { padding: 22px 18px 26px; }
  .page-title { font-size: 25px; }
  .page p, .page li { font-size: 16px; }
  .passage.cited::before { left: -11px; }
  .figures { grid-template-columns: 1fr; }
  .figure strong { font-size: 24px; }
  .eval thead { display: none; }
  .eval, .eval tbody, .eval tr, .eval th, .eval td { display: block; width: 100%; }
  .eval tr { padding: 8px 0; border-bottom: 1px solid var(--paper-rule); }
  .eval th, .eval td { border: 0; padding: 2px 0; }
  .eval td { display: flex; justify-content: space-between; gap: 12px; }
  .eval td::before { content: attr(data-label); color: var(--paper-muted); }
  .eval tr.later td::before { content: none; }
  .asker { margin-bottom: 10px; }
  .persona { padding-right: 10px; }
  .persona-team { display: none; }
  .desk-empty { min-height: 0; padding-top: 10px; }
  .ghost-page { width: 180px; height: 210px; }
}
@media (max-width: 380px) {
  .headline { font-size: 29px; }
  .story-title { font-size: 20px; }
  .chip { font-size: 13.5px; padding: 6px 12px; }
}
@media (max-width: 899px) and (max-height: 700px) {
  .ai-line { display: none; }
  body[data-step="0"] .story { padding-top: 16px; }
  .story-text { font-size: 14px; line-height: 1.45; }
}