/* ==========================================================================
   AI Studio — 14 module cards, each with its own preview mock.
   ========================================================================== */

.grouphead { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; }
.grouphead__index { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--color-purple); }
.grouphead__rule { flex: 1; height: 1px; background: var(--color-border); }

.modulegrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-bottom: 36px; }

.module {
  grid-column: span var(--span, 1);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  min-width: 0;
}
.module__head { display: flex; align-items: center; gap: 10px; }
.module__number { font-size: 10px; color: var(--color-ink-300); }
.module__title { font-size: 14px; font-weight: 700; flex: 1; }
.module__hint { font-size: 10px; }
.module__step { height: 15px; font-size: 10px; color: var(--color-purple); }
.module__intro { font-size: 11px; color: var(--color-ink-700); margin-top: -4px; }
.module__result {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  min-height: 34px;
  flex-wrap: wrap;
}
.module__summary {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-ink-900);
  background: var(--color-mist-2);
  border-radius: 5px;
  padding: 5px 10px;
  animation: daFadeUp 300ms var(--ease-out);
}
.module__summary[data-tone='success'] { color: var(--color-success); background: var(--color-success-bg); }
.module__summary[data-tone='warning'] { color: var(--color-warning-ink); background: var(--color-warning-bg); }
.module__summary[data-tone='error'] { color: var(--color-error); background: var(--color-error-bg); }
.module__foot {
  font-size: 10.5px;
  color: var(--color-ink-300);
  line-height: 1.5;
  border-top: 1px solid var(--color-ink-50);
  padding-top: 9px;
  margin-top: auto;
}
.module__split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.module__split--wide { grid-template-columns: 1fr 1.15fr; }

/* ---- Stages ------------------------------------------------------------ */
.stage {
  height: 172px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.stage--mist { background: var(--color-mist-2); padding: 0 10px; }
.stage--desk { background: linear-gradient(160deg, #3A4252 0%, #535E70 100%); }
.stage--wood { background: repeating-linear-gradient(92deg, #8A6548 0 18px, #7C5A3E 18px 34px, #94704F 34px 52px); }
.stage--pane {
  height: 190px;
  border: 1px solid var(--color-border-soft);
  padding: 10px 12px;
  overflow: auto;
  align-items: stretch;
  flex-direction: column;
  background: var(--color-white);
}
.stage--dashed { border: 1px dashed var(--color-border); gap: 10px; }
.stage--short { height: auto; padding: 14px; }
.stage--tall { height: 200px; }
.stage--match { height: 158px; gap: 22px; }
.stage--scatter { display: block; }
.stage__wash {
  position: absolute;
  inset: 0;
  background: #F1F3F6;
  opacity: 0;
  transition: opacity 700ms var(--ease-out);
}
.module[data-state='done'] .stage__wash { opacity: 1; }

/* ---- Generic sheet mock ------------------------------------------------ */
.sheet {
  width: 104px;
  height: 136px;
  background: var(--color-white);
  box-shadow: 0 6px 16px rgba(14, 23, 38, 0.18);
  padding: 10px 11px;
  position: relative;
  transition: transform 800ms var(--ease-out);
}
.sheet__head { display: block; height: 7px; width: 60%; background: var(--color-ink-900); margin-bottom: 7px; }
.sheet__line { display: block; height: 4px; background: var(--color-ink-100); margin-bottom: 4px; width: 88%; }
.sheet__box { display: block; height: 26px; border: 1px solid var(--color-ink-100); margin: 10px 0 8px; }
.sheet--skew { transform: rotate(12deg); }
.module[data-state='done'] .sheet--skew { transform: rotate(0deg); }
.sheet--warp, .sheet--tilted {
  width: 100px;
  height: 130px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.35);
  padding: 9px 10px;
}
.sheet--warp { transform: perspective(280px) rotateX(16deg) rotateY(-14deg) rotate(2deg); }
.module[data-state='done'] .sheet--warp { transform: none; }
.sheet--tilted { transform: perspective(280px) rotateX(14deg) rotateY(-12deg) rotate(3deg); }
.corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: #27B6D6;
  box-shadow: 0 0 0 3px rgba(39, 182, 214, 0.3);
  opacity: 0;
  transition: opacity var(--dur-3);
}
.module[data-state='running'] .corner, .module[data-state='done'] .corner { opacity: 1; }
.corner--tl { top: -4px; left: -4px; }
.corner--tr { top: -4px; right: -4px; }
.corner--bl { bottom: -4px; left: -4px; }
.corner--br { bottom: -4px; right: -4px; }

.sheet--dirty { width: 104px; height: 132px; transform: rotate(-2deg); overflow: hidden; }
.sheet__tint, .sheet__hatch, .sheet__watermark {
  position: absolute;
  inset: 0;
  transition: opacity 700ms var(--ease-out);
}
.sheet__tint { background: #EFE7D8; }
.sheet__hatch { background: repeating-linear-gradient(-45deg, rgba(120, 104, 80, 0.13) 0 2px, transparent 2px 9px); }
.sheet__watermark {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: rgba(140, 116, 84, 0.5);
  transform: rotate(-32deg);
  white-space: nowrap;
}
.module[data-state='done'] .sheet__tint,
.module[data-state='done'] .sheet__hatch,
.module[data-state='done'] .sheet__watermark { opacity: 0; }
.sheet--dirty .sheet__head, .sheet--dirty .sheet__line, .sheet--dirty .sheet__box { position: relative; }

/* ---- Multi-doc splitting ---------------------------------------------- */
.scatter {
  position: absolute;
  background: var(--color-white);
  box-shadow: 0 5px 12px rgba(14, 23, 38, 0.18);
  padding: 7px 8px;
}
.scatter .sheet__head { height: 4px; margin-bottom: 5px; width: 70%; }
.scatter .sheet__line { height: 3px; margin-bottom: 3px; }
.scatter--1 { top: 18px; left: 26px; width: 74px; height: 96px; transform: rotate(-7deg); }
.scatter--2 { top: 34px; right: 40px; width: 70px; height: 88px; transform: rotate(9deg); }
.scatter--3 { bottom: 12px; left: 44%; width: 76px; height: 64px; transform: rotate(-3deg) translateX(-50%); }
.detectbox {
  position: absolute;
  inset: -5px;
  border: 1.5px dashed var(--color-purple);
  border-radius: 3px;
  opacity: 0;
  transition: opacity var(--dur-3);
}
.module[data-state='running'] .detectbox, .module[data-state='done'] .detectbox { opacity: 1; }
.detectbox__tag {
  position: absolute;
  top: -9px;
  left: 3px;
  font-family: var(--font-mono);
  font-size: 8px;
  background: var(--color-purple);
  color: var(--color-white);
  padding: 0 5px;
  border-radius: 2px;
  white-space: nowrap;
}
.detectbox__tag--error { background: var(--color-error); top: auto; bottom: -10px; left: auto; right: 0; }
.detectbox--seal1 { inset: auto; top: 4px; right: 8px; width: 46px; height: 46px; border-color: var(--color-error); border-radius: var(--radius-sm); }
.detectbox--seal2 { inset: -6px; border-color: var(--color-error); border-radius: var(--radius-sm); }

.cropbay { position: relative; }
.cropbay__idle { font-size: 11px; color: var(--color-ink-300); }
.module[data-state='done'] .cropbay__idle { display: none; }
.crop {
  display: none;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 5px 6px;
}
.module[data-state='done'] .crop { display: block; animation: daFadeUp 400ms var(--ease-out); }
.crop .sheet__head { height: 3px; width: 70%; margin-bottom: 4px; }
.crop .sheet__line { height: 2.5px; margin-bottom: 2.5px; }
.crop--1 { width: 56px; height: 74px; }
.crop--2 { width: 54px; height: 68px; }
.crop--3 { width: 58px; height: 50px; }

/* ---- Paper-lets (small in-stage documents) ---------------------------- */
.paperlet {
  width: 100%;
  max-width: 230px;
  background: var(--color-white);
  box-shadow: 0 6px 16px rgba(14, 23, 38, 0.16);
  padding: 16px 18px;
  transform: rotate(-0.5deg);
  color: #1F2937;
}
.paperlet--pad { width: auto; max-width: none; padding: 14px 16px; transform: none; }
.paperlet--form { max-width: 250px; transform: rotate(0.4deg); }
.paperlet--mono {
  font-family: var(--font-mono);
  font-size: 8.5px;
  line-height: 2;
  transform: none;
  width: auto;
  max-width: none;
  padding: 12px 16px;
}
.paperlet--jp { max-width: 210px; padding: 14px 16px; position: relative; transform: rotate(-0.4deg); }
.paperlet__title { font-size: 10px; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 10px; }
.paperlet__row { margin-bottom: 7px; }
.paperlet__foot { font-size: 8px; color: var(--color-ink-300); margin-top: 12px; }

.ocrline {
  padding: 1px 3px;
  margin: -1px -3px;
  border-radius: 2px;
  cursor: pointer;
  transition: box-shadow var(--dur-1), background var(--dur-1);
}
.module[data-state='done'] .ocrline { box-shadow: 0 0 0 1px rgba(73, 112, 174, 0.45); }
.module[data-state='done'] .ocrline.is-hover { box-shadow: 0 0 0 2px var(--color-purple); background: rgba(93, 60, 176, 0.10); }

.pane__idle { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 11px; color: var(--color-ink-300); }
.pane__idle--boxed { border: 1px dashed var(--color-border); border-radius: var(--radius-md); min-height: 104px; }
.pane__rows { display: none; }
.module[data-state='done'] .pane__idle { display: none; }
.module[data-state='done'] .pane__rows { display: block; animation: daFadeUp 300ms var(--ease-out); }
.module[data-state='done'][data-view='json'] .pane__rows { display: none; }
.paneRow {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding: 6px 8px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 10.5px;
}
.paneRow.is-hover { background: var(--color-mist-2); }
.paneRow__right { display: flex; align-items: center; gap: 8px; }
.paneRow__right b { font-size: 11px; }

.kvlegend { display: flex; gap: 10px; margin-bottom: 8px; font-size: 9.5px; color: var(--color-ink-500); }
.kvlegend span { display: flex; align-items: center; gap: 5px; }
.kvlegend__swatch { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.kvlegend__swatch--key { background: rgba(73, 112, 174, 0.25); border: 1px solid var(--color-blue); }
.kvlegend__swatch--value { background: rgba(93, 60, 176, 0.22); border: 1px solid var(--color-purple); }

.formrow { display: flex; align-items: baseline; gap: 6px; margin-bottom: 9px; cursor: pointer; }
.formrow__key { font-size: 9px; color: #374151; padding: 1px 4px; margin: -1px -4px; border-radius: 2px; }
.formrow__value { font-size: 9.5px; font-weight: 600; padding: 1px 4px; margin: -1px -4px; border-radius: 2px; }
.formrow__lead { flex: 1; border-bottom: 1.5px dotted var(--color-ink-100); transform: translateY(-2px); }
.module[data-state='done'] .formrow__key { background: rgba(73, 112, 174, 0.22); }
.module[data-state='done'] .formrow__value { background: rgba(93, 60, 176, 0.18); }
.module[data-state='done'] .formrow__lead { border-bottom-style: solid; border-bottom-color: var(--color-purple-300); }
.formrow.is-hover .formrow__key { box-shadow: 0 0 0 1.5px var(--color-blue); }
.formrow.is-hover .formrow__value { box-shadow: 0 0 0 1.5px var(--color-purple); }

/* ---- Reading order ---------------------------------------------------- */
.blockdoc {
  width: 180px;
  height: 186px;
  background: var(--color-white);
  box-shadow: 0 6px 16px rgba(14, 23, 38, 0.16);
  padding: 12px 13px;
}
.blockdoc__item { position: relative; margin-bottom: 8px; }
.blockdoc__head { display: block; height: 11px; width: 72%; background: var(--color-ink-900); }
.minitable { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid #9AA3B2; }
.minitable i { height: 9px; border: 0.5px solid #C6CCD6; }
.minitable i:nth-child(-n+3) { background: #F3F4F6; }
.figure {
  display: block;
  height: 34px;
  border: 1px solid var(--color-ink-100);
  background: repeating-linear-gradient(45deg, var(--color-mist) 0 6px, var(--color-mist-2) 6px 12px);
}
.overlay {
  position: absolute;
  inset: -3px;
  border-radius: 2px;
  opacity: 0;
  transition: opacity var(--dur-3);
}
.module[data-state='running'] .overlay, .module[data-state='done'] .overlay { opacity: 1; }
.overlay__tag {
  position: absolute;
  top: -8px;
  right: -2px;
  font-family: var(--font-mono);
  font-size: 7px;
  color: var(--color-white);
  padding: 0 4px;
  border-radius: 2px;
}
.overlay--heading { background: rgba(93, 60, 176, 0.16); border: 1px solid var(--color-purple); }
.overlay--heading .overlay__tag { background: var(--color-purple); }
.overlay--para { background: rgba(73, 112, 174, 0.14); border: 1px solid var(--color-blue); }
.overlay--para .overlay__tag { background: var(--color-blue); }
.overlay--table { background: rgba(31, 169, 125, 0.12); border: 1px solid var(--color-success); }
.overlay--table .overlay__tag { background: var(--color-success); }
.overlay--figure { background: rgba(242, 169, 59, 0.14); border: 1px solid var(--color-warning); }
.overlay--figure .overlay__tag { background: var(--color-warning); color: var(--color-ink-900); }

.mdpane { height: 210px; padding: 0; overflow: hidden; }
.mdpane__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  border-bottom: 1px solid var(--color-border-soft);
  background: var(--color-mist);
}
.mdpane__body { flex: 1; overflow: auto; padding: 10px 14px; }
.markdown { display: none; }
.module[data-state='done'][data-view='visual'] .markdown { display: block; animation: daFadeUp 300ms var(--ease-out); }
.markdown__h { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.markdown__p { font-size: 10.5px; color: var(--color-ink-700); line-height: 1.6; margin-bottom: 8px; }
.markdown__table { font-size: 10px; color: var(--color-ink-700); line-height: 1.7; }

/* ---- Tables ------------------------------------------------------------ */
.ruledtable { display: grid; grid-template-columns: 56px 40px 40px 46px; border: 1px solid #9AA3B2; }
.ruledtable__cell {
  font-size: 8px;
  padding: 4px 5px;
  border: 0.5px solid #9AA3B2;
  color: #1F2937;
  transition: box-shadow var(--dur-3), background var(--dur-3);
}
.ruledtable__cell.is-header { font-weight: 700; }
.module[data-state='done'] .ruledtable__cell {
  box-shadow: inset 0 0 0 1.5px rgba(93, 60, 176, 0.55);
  background: rgba(93, 60, 176, 0.05);
}

.borderless__head { font-weight: 700; }
.borderless__sub { font-weight: 700; color: var(--color-ink-500); }

.reconstructed { min-height: 104px; }
.spantable { display: none; }
.module[data-state='done'][data-view='visual'] .spantable {
  display: grid;
  grid-template-columns: 1fr 0.8fr 0.8fr 0.8fr;
  border: 1px solid var(--color-border-strong);
  border-radius: 6px;
  overflow: hidden;
  font-size: 10px;
  animation: daFadeUp 300ms var(--ease-out);
}
.module[data-state='done'][data-view='visual'] ~ * .pane__idle--boxed { display: none; }
.module[data-state='done'] .pane__idle--boxed { display: none; }
.spantable > span { padding: 4px 9px; border-top: 1px solid var(--color-ink-50); }
.spantable__rowhead {
  background: #F3F6FA;
  font-weight: 700;
  grid-row: span 2;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--color-border);
}
.spantable__rowhead--right { border-right: none; border-left: 1px solid var(--color-border); }
.spantable__span {
  background: rgba(93, 60, 176, 0.12);
  font-weight: 700;
  grid-column: span 2;
  text-align: center;
  color: var(--color-purple-700);
}
.spantable__sub { background: var(--color-mist); font-weight: 600; text-align: center; color: var(--color-ink-500); }
.module[data-state='done'] .reconstructed .accent { display: block; margin-top: 6px; font-size: 9.5px; }
.reconstructed .accent { display: none; }

/* ---- Selection marks -------------------------------------------------- */
.markrow { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.markrow--plan { margin-top: 11px; border-top: 1px solid var(--color-border-soft); padding-top: 9px; }
.markrow__box {
  width: 11px;
  height: 11px;
  border: 1.5px solid #374151;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-family: var(--font-hand);
  font-weight: 600;
  flex: none;
}
.markrow__label { font-size: 9.5px; flex: 1; }
.markrow__spacer { flex: 1; }
.planopt { position: relative; font-size: 9.5px; padding: 2px 6px; }
.planopt--circled::before {
  content: '';
  position: absolute;
  inset: -2px;
  border: 1.8px solid #374151;
  border-radius: var(--radius-pill);
  transform: rotate(-4deg);
}
.marktag {
  font-size: 7.5px;
  font-weight: 700;
  border: 1px solid transparent;
  border-radius: 3px;
  padding: 1px 5px;
  opacity: 0;
  color: var(--color-ink-300);
  transition: opacity var(--dur-3);
}
.module[data-state='done'] .marktag { opacity: 1; }
.marktag[data-shown='checked'] { color: var(--color-success); background: var(--color-success-bg); }
.marktag[data-shown='unchecked'] { color: var(--color-ink-500); background: var(--color-ink-50); }
.marktag[data-shown='circled'] { color: var(--color-purple); background: var(--color-purple-tint); }
.marktag[data-shown='missed'] {
  color: var(--color-ink-300);
  background: var(--color-white);
  border: 1px dashed var(--color-border-strong);
}

/* ---- Imprints ---------------------------------------------------------- */
.jp__title { text-align: center; font-size: 13px; font-weight: 700; letter-spacing: 0.4em; margin-bottom: 2px; }
.jp__sub { text-align: center; font-size: 7px; color: var(--color-ink-500); margin-bottom: 8px; }
.jp__rule { height: 1px; background: var(--color-ink-900); margin-bottom: 7px; }
.jp__body { font-size: 7.5px; line-height: 1.8; }
.jp__table { display: grid; grid-template-columns: 1fr 40px; border: 1px solid #C6CCD6; margin-top: 7px; font-size: 7px; }
.jp__table span { padding: 3px 6px; }
.jp__table .is-header { background: #F3F4F6; font-weight: 700; border-bottom: 0.5px solid #C6CCD6; }
.jp__table .total { border-top: 0.5px solid #C6CCD6; font-weight: 700; }
.jp__foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 6.5px; color: var(--color-ink-300); }
.jp__sealwrap { position: relative; }

.seal {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(201, 70, 61, 0.85);
  border-radius: var(--radius-pill);
  color: rgba(201, 70, 61, 0.9);
  font-weight: 600;
  font-family: serif;
}
.seal--corner { position: absolute; top: 10px; right: 14px; width: 34px; height: 34px; font-size: 11px; transform: rotate(6deg); }
.seal--sm { width: 28px; height: 28px; font-size: 10px; transform: rotate(-8deg); }
.seal--lg { width: 52px; height: 52px; font-size: 17px; border-width: 3px; transform: rotate(-6deg); }
.seal--overlay {
  position: absolute;
  top: 44px;
  left: 88px;
  width: 52px;
  height: 52px;
  font-size: 15px;
  border-width: 2.5px;
  transform: rotate(-10deg);
  mix-blend-mode: multiply;
  background: rgba(255, 235, 233, 0.25);
}

.compare { width: 230px; height: 168px; position: relative; box-shadow: 0 6px 16px rgba(14, 23, 38, 0.16); }
.compare__layer { position: absolute; inset: 0; background: var(--color-white); padding: 14px 16px; }
.compare__layer--clean { clip-path: inset(0 50% 0 0); }
.compare__title { font-size: 8.5px; font-weight: 700; letter-spacing: 0.06em; margin-bottom: 7px; color: #1F2937; }
.compare__text { font-size: 7.5px; color: #374151; line-height: 1.9; }
.compare__handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--color-purple); transform: translateX(-1px); }
.compare__handle span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  border-radius: var(--radius-pill);
  background: var(--color-purple);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
}
.compare__flag {
  position: absolute;
  top: 5px;
  font-family: var(--font-mono);
  font-size: 7.5px;
  font-weight: 700;
  color: var(--color-white);
  padding: 1px 5px;
  border-radius: 2px;
}
.compare__flag--after { left: 6px; background: var(--color-success); }
.compare__flag--before { right: 6px; background: var(--color-ink-500); }
.compare__range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; }

.sealcard {
  width: 92px;
  height: 112px;
  background: var(--color-white);
  box-shadow: 0 5px 12px rgba(14, 23, 38, 0.14);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex: none;
}
.sealcard .mono { font-size: 8px; }
.matchscore { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 64px; }
.matchscore__idle { color: var(--color-ink-100); font-size: 18px; }
.module[data-state='running'] .matchscore__idle, .module[data-state='done'] .matchscore__idle { display: none; }
.module[data-state='running'] .matchscore__running { display: block !important; }
.matchscore__result { animation: daFadeUp 350ms var(--ease-out); text-align: center; }
.matchscore__value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.matchscore__result[data-tone='success'] .matchscore__value { color: var(--color-success); }
.matchscore__result[data-tone='error'] .matchscore__value { color: var(--color-error); }

@media (max-width: 1080px) {
  .modulegrid { grid-template-columns: 1fr; }
  .module { grid-column: span 1; }
  .module__split { grid-template-columns: 1fr; }
}