/* ================= Piece C: three desks, ask the record, the answer lands ================= */
/* Tokens come from variables.css (already loaded via base.css). Classes prefixed in-. */

.in-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;
}

/* Shared deck rule — same measure as piece B's .cn-deck */
.in-deck { max-width: 600px; margin-top: var(--spacing-16); }

.in-head { max-width: 640px; margin-bottom: var(--spacing-64); }

/* C2 head sits beside the one warm card in this viewport */
.in-ask-top {
  display: grid;
  grid-template-columns: minmax(320px, 640px) minmax(300px, 400px);
  gap: var(--spacing-96);
  align-items: end;
  margin-bottom: var(--spacing-64);
}
.in-head--ask { margin-bottom: 0; }

.in-rule { padding: var(--spacing-28); background: var(--accent-a08); border: 1px solid var(--accent-a24); border-radius: var(--r-panel); }
.in-rule-line {
  margin: 0;
  font-size: var(--text-body-lg);
  line-height: var(--leading-body-lg);
  font-weight: var(--font-weight-w450);
  color: var(--ink);
}
.in-rule-note {
  margin: var(--spacing-12) 0 0;
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--ink-body);
  opacity: 1;
}
.in-heading { color: var(--ink); }

/* ---------------------------------------------------------------
   C1 — Three desks, one record
   A segmented role control above ONE product frame; switching desks
   transforms the frame's contents. Not a card per role.
--------------------------------------------------------------- */
.in-desk-shell { border: 0; margin: 0; padding: 0; min-width: 0; }

.in-desk-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: var(--spacing-24);
  background: var(--base-alt);
  border-radius: var(--radius-buttons);
  box-shadow: var(--shadow-subtle);
}

.in-desk-radio {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.in-desk-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 18px;
  border-radius: var(--radius-buttons);
  font-size: 15px;
  font-weight: var(--font-weight-w450);
  color: var(--ink-body);
  cursor: pointer;
  transition: background-color 420ms cubic-bezier(.22,.61,.36,1), color 420ms cubic-bezier(.22,.61,.36,1);
}
.in-desk-tab:hover { color: var(--ink); }
.in-desk-tab:focus-within { outline: 2px solid var(--ink); outline-offset: 2px; }
.in-desk-tab:has(:checked) { background: var(--ink); color: var(--surface); }

/* The one frame — bleeds past the content column and crops at the viewport edge */
.in-desk-frame {
  position: relative;
  min-height: 380px;
  margin-right: calc((min(100vw, var(--shell)) - 100vw) / 2 - var(--gutter) - 56px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  box-shadow: var(--elev-mid);
  overflow: hidden;
}

.in-desk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-16) var(--spacing-28);
  /* frame bleeds 56px past the viewport; keep the window chrome inside it */
  padding-right: calc(var(--spacing-28) + 56px);
  border-bottom: 1px solid var(--line);
}
.in-desk-crumb { font-size: 14px; color: var(--ink-muted); margin: 0; }
.in-desk-crumb i { padding: 0 6px; font-style: normal; }
.in-desk-bar-icons { display: inline-flex; gap: 6px; }
.in-desk-bar-icons span { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }

.in-desk-stage {
  position: relative;
  padding: var(--spacing-28);
  min-height: 320px;
  /* keep readable data clear of the cropped bleed zone */
  max-width: 1024px;
}

.in-desk-panel { display: none; flex-direction: column; }
.in-desk-shell:has(input[value="owner"]:checked)    .in-desk-panel[data-desk="owner"],
.in-desk-shell:has(input[value="floor"]:checked)    .in-desk-panel[data-desk="floor"],
.in-desk-shell:has(input[value="accounts"]:checked) .in-desk-panel[data-desk="accounts"] {
  display: flex;
  animation: in-panel-in 500ms cubic-bezier(.22,.61,.36,1) both;
}
@keyframes in-panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.in-desk-title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-ui);
  font-size: var(--text-body-lg);
  font-weight: 500;
  letter-spacing: -0.2px;
  color: var(--ink);
  margin: 0 0 var(--spacing-20);
}
.in-desk-title span { font-size: 14px; font-weight: var(--font-weight-regular); color: var(--ink-muted); }

/* Rows: label + figure left, state right */
.in-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-16) 0;
  border-bottom: 1px solid var(--line);
}
.in-row:last-child { border-bottom: 0; }
.in-row-main { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.in-row-main b { font-size: var(--text-body); font-weight: 500; color: var(--ink); }
.in-row-main span { font-size: 14px; line-height: var(--leading-caption); color: var(--ink-body); }

/* The one warm surface per viewport: an entire flagged row carrying sienna text */
.in-row--warm {
  background: var(--color-blush-peach);
  border-radius: var(--radius-inputs);
  border-bottom: 0;
  padding-inline: var(--spacing-12);
  margin-inline: calc(-1 * var(--spacing-12));
}
.in-row--warm .in-row-main b,
.in-row--warm .in-row-main span { color: var(--color-sienna-brown); }

.in-chip {
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-buttons);
  background: var(--base-alt);
  color: var(--ink);
}
.in-chip--muted { background: transparent; box-shadow: inset 0 0 0 1px var(--line); color: var(--ink-body); }
.in-chip--onWarm { background: var(--color-sienna-brown); color: #fff; }

/* Floor desk: a note straight from the shop floor */
.in-note {
  margin-top: var(--spacing-20);
  padding-left: 20px;
  border-left: 2px solid var(--ink-muted);
}
.in-note-quote { margin: 0; font-size: var(--text-body-lg); font-weight: var(--font-weight-w450); line-height: var(--leading-body-lg); color: var(--ink); }
.in-note-who { margin: var(--spacing-8) 0 0; font-size: 14px; color: var(--ink-muted); }

.in-desk-foot {
  margin: var(--spacing-24) 0 0;
  padding: var(--spacing-16) var(--spacing-20);
  max-width: 640px;
  background: var(--base-alt);
  border-radius: var(--radius-cards);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--ink-body);
}
.in-desk-foot b { color: var(--ink); font-weight: 500; }

/* ---------------------------------------------------------------
   C2 — Ask the record
   One thread artifact: asked, answered with citations, composer below
   holding the next question typed but not sent.
--------------------------------------------------------------- */
.in-thread {
  width: min(880px, 100%);
  padding: var(--spacing-32);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-28);
}

.in-msg { display: flex; flex-direction: column; gap: var(--spacing-12); }
.in-msg-who { margin: 0; font-size: 14px; font-weight: var(--font-weight-w450); color: var(--ink-muted); }
.in-msg-who--ai { color: var(--ink); }

.in-msg-bubble {
  margin: 0;
  align-self: flex-end;
  max-width: 70%;
  padding: 12px 18px;
  border-radius: var(--radius-inputs);
  background: var(--base-alt);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--ink);
}

.in-msg--ai {
  max-width: 640px;
  padding-left: 20px;
  border-left: 2px solid var(--ink-muted);
}
.in-msg-answer p { margin: 0; font-size: var(--text-body); line-height: 1.55; color: var(--ink); }
.in-msg-answer p + p { margin-top: var(--spacing-12); }

.in-src { display: flex; flex-wrap: wrap; gap: var(--spacing-8); margin-top: var(--spacing-4); }
.in-src-chip {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: var(--font-weight-w450);
  color: var(--ink-muted);
  padding: 4px 12px;
  border-radius: var(--radius-buttons);
  background: var(--base-alt);
  border: 1px solid var(--line);
}

/* Composer — the sanctioned hairline lives here and only here */
.in-composer {
  display: flex;
  align-items: center;
  gap: var(--spacing-12);
  padding: var(--spacing-16);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-inputs);
}
.in-comp-glyph {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  font-size: var(--text-body-lg);
  color: var(--ink-muted);
}
.in-comp-info {
  flex: 0 0 auto;
  width: 18px; height: 18px;
  fill: none;
  stroke: var(--ink-muted);
  stroke-width: 1.25;
  stroke-linecap: round;
}
.in-comp-text {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
}
.in-caret {
  display: inline-block;
  width: 1.5px; height: 1.05em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--ink);
}
.in-send {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--ink);
}
.in-send svg {
  width: 16px; height: 16px;
  fill: none;
  stroke: var(--surface);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------------------------------------------------------------
   C3 — The answer lands (full-bleed ink close)
   Second dark band of the page: the strongest quiet moment.
   Chrome stays achromatic on ink.
--------------------------------------------------------------- */
.in-close-grid {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: var(--spacing-64);
  align-items: center;
}

.in-close-heading { color: #f7f8fa; }
.in-close-deck { color: rgba(247, 248, 250, 0.66); }

/* Bleeds past the 1200 column, but stops flush at the viewport edge:
   the copy inside is load-bearing, so nothing here may be cropped. */
.in-close-card {
  justify-self: end;
  width: min(600px, 100%);
  padding: var(--spacing-28);
  margin-right: min(0px, calc((min(100vw, var(--shell)) - 100vw) / 2 - var(--gutter)));
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  box-shadow: var(--elev-mid);
}
.in-close-card .in-msg-bubble { background: var(--base-alt); }
.in-close-card .in-msg-answer p { color: var(--ink); }
.in-close-card .in-msg--ai { border-left-color: var(--line); }

/* ---------------------------------------------------------------
   Responsive
--------------------------------------------------------------- */
@media (max-width: 1080px) {
  .in-head { margin-bottom: var(--spacing-40); }
  .in-ask-top { grid-template-columns: 1fr; gap: var(--spacing-32); align-items: start; margin-bottom: var(--spacing-40); }

  .in-desk-frame { margin-right: calc(-1 * var(--gutter)); min-height: 0; }
  .in-desk-stage { padding: var(--spacing-20); min-height: 0; }

  .in-close-grid { grid-template-columns: 1fr; gap: var(--spacing-40); }
  .in-close-card { justify-self: stretch; width: 100%; margin-right: 0; }
}

@media (max-width: 720px) {
  .in-heading { font-size: 44px; letter-spacing: var(--tracking-heading); }
  .in-close-heading { font-size: 44px; letter-spacing: var(--tracking-heading); }

  .in-desk-tabs { display: flex; width: 100%; }
  .in-desk-tab { flex: 1 1 0; justify-content: center; padding: 0 8px; }

  .in-desk-bar { padding: var(--spacing-12) var(--spacing-16); }
  .in-desk-stage { padding: var(--spacing-16); }
  .in-desk-title { flex-wrap: wrap; gap: 4px 10px; }

  .in-row { align-items: flex-start; }
  .in-chip { margin-top: 2px; }

  .in-thread { padding: var(--spacing-20); gap: var(--spacing-24); }
  .in-msg-bubble { max-width: 88%; }
  .in-composer { padding: 12px; gap: var(--spacing-8); }
  .in-comp-glyph { width: 36px; height: 36px; }
  .in-send { width: 40px; height: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  .in-desk-tab { transition: none; }
  .in-desk-panel { animation: none !important; }
}