/* Product demo — Modernist skin. Structure follows e-y123/animate123; every colour,
   font and radius comes from the design-system tokens. */

.product-demo {
  --line: var(--color-divider);
  --muted: color-mix(in srgb, var(--color-text) 55%, transparent);
  position: relative;
  width: 100%;
  height: clamp(560px, 44vw, 680px);
  min-height: 560px;
  overflow: hidden;
  border: 2px solid var(--color-text);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform;
  isolation: isolate;
}

.product-demo button {
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
}

.product-demo__topbar {
  position: relative;
  z-index: 20;
  display: flex;
  height: 52px;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 2px solid var(--color-text);
  background: var(--color-text);
  color: var(--color-bg);
}

.timeline-progress {
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  z-index: 2;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.timeline-progress > span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.product-demo__brand,
.product-demo__status,
.knowledge-status {
  display: flex;
  align-items: center;
}

.product-demo__brand {
  gap: 10px;
  min-width: 0;
  font-size: 13px;
}

.product-demo__brand strong {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.usnl-mark {
  display: flex;
  width: 24px;
  height: 24px;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 5px;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-bg) 12%, transparent);
}

.usnl-mark i {
  display: block;
  width: 3px;
  background: currentColor;
}

.usnl-mark i:nth-child(1) { height: 6px; opacity: 0.55; }
.usnl-mark i:nth-child(2) { height: 13px; }
.usnl-mark i:nth-child(3) { height: 9px; opacity: 0.75; }

.product-demo__status { gap: 8px; }

.knowledge-status {
  gap: 6px;
  padding: 5px 8px;
  border: 1px solid color-mix(in srgb, var(--color-bg) 35%, transparent);
  color: var(--color-bg);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.playback-control {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 30px;
  padding: 0 11px;
  cursor: pointer;
  border: 2px solid color-mix(in srgb, var(--color-bg) 40%, transparent) !important;
  color: var(--color-bg) !important;
  background: transparent !important;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: border-color 160ms ease, background-color 160ms ease, color 160ms ease;
}

.playback-control[data-cta] {
  border-color: var(--color-accent) !important;
  color: var(--color-bg) !important;
  background: var(--color-accent) !important;
}

.playback-control:hover:not(:disabled) {
  border-color: var(--color-accent-400) !important;
  color: var(--color-text) !important;
  background: var(--color-accent-400) !important;
}

.playback-control:active:not(:disabled) {
  border-color: var(--color-accent-600) !important;
  color: var(--color-bg) !important;
  background: var(--color-accent-600) !important;
}

.playback-control:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.playback-control:disabled { cursor: default; opacity: 0.45; }

.product-demo__viewport {
  position: relative;
  height: calc(100% - 52px);
  overflow: hidden;
  background: var(--color-bg);
  perspective: 1400px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
}

.chat-pane {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: width, transform;
}

.chat-pane__header {
  display: flex;
  height: 56px;
  align-items: center;
  justify-content: space-between;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
}

.chat-pane__identity { display: flex; align-items: center; gap: 10px; }

.chat-pane__identity > span:last-child {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-pane__identity strong {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.02em;
}

.chat-pane__identity small { color: var(--muted); font-size: 9px; }

.mini-avatar,
.assistant-avatar {
  display: grid;
  place-items: center;
  color: var(--color-accent-700);
  background: var(--color-accent-100);
  border: 1px solid var(--color-accent-300);
}

.mini-avatar { width: 28px; height: 28px; }

.chat-pane__header button,
.source-sidebar__header button {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--muted);
}

.conversation {
  position: absolute;
  inset: 56px 0 90px;
  overflow: hidden;
  padding: 24px clamp(26px, 5vw, 68px) 16px;
  perspective: 1000px;
  transform-style: preserve-3d;
}

.conversation__intro {
  display: flex;
  width: min(450px, 84%);
  align-items: center;
  gap: 10px;
  margin: 4px 0 18px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.conversation__intro-icon {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--color-accent-700);
  background: var(--color-surface);
}

.conversation__intro p { margin: 0; }

.message-stack { width: min(720px, 100%); }

.user-message {
  width: fit-content;
  max-width: 76%;
  margin: 0 0 14px auto;
  padding: 10px 13px;
  border: 1px solid var(--color-text);
  background: var(--color-surface);
  font-size: 12px;
  line-height: 1.4;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.question-composer {
  position: absolute;
  z-index: 3;
  right: clamp(26px, 5vw, 68px);
  bottom: 30px;
  left: clamp(26px, 5vw, 68px);
  display: flex;
  height: 48px;
  align-items: center;
  gap: 10px;
  padding: 0 6px 0 14px;
  border: 2px solid var(--line);
  background: var(--color-bg);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, opacity, border-color;
}

.question-input {
  position: relative;
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}

.question-input__placeholder { position: absolute; left: 0; color: var(--muted); }
.question-input__value { overflow: hidden; text-overflow: clip; }

.question-input__caret {
  width: 2px;
  height: 15px;
  margin-left: 2px;
  background: var(--color-accent);
  animation: caret-blink 0.82s steps(1) infinite;
}

@keyframes caret-blink {
  0%, 46% { opacity: 1; }
  47%, 100% { opacity: 0.15; }
}

.send-button {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--muted);
  background: var(--color-surface) !important;
}

.composer-note {
  position: absolute;
  right: 0;
  bottom: 9px;
  left: 0;
  margin: 0;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.search-card {
  position: absolute;
  z-index: 2;
  top: 118px;
  left: 50%;
  width: min(500px, calc(100% - 20px));
  padding: 14px;
  border: 2px solid var(--color-text);
  background: var(--color-bg);
  transform: translateX(-50%);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.search-card::before,
.search-card::after {
  position: absolute;
  content: "";
  pointer-events: none;
  border: 1px solid var(--line);
  background: var(--color-surface);
}

.search-card::before {
  z-index: -1;
  inset: 6px -7px -7px 7px;
  opacity: 0.75;
  transform: translateZ(-18px);
}

.search-card::after {
  z-index: -2;
  inset: 12px -13px -13px 13px;
  opacity: 0.45;
  transform: translateZ(-34px);
}

.search-card__heading { display: flex; align-items: center; gap: 10px; }

.search-card__icon {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-accent-300);
  color: var(--color-accent-700);
  background: var(--color-accent-100);
}

.search-card__title-wrap {
  position: relative;
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 2px;
}

.search-card__title-wrap p {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 11px;
}

.search-card__title-wrap .search-card__found-title {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-accent-700);
}

.search-card__title-wrap > span { color: var(--muted); font-size: 8px; }

.secure-label {
  padding: 4px 6px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.semantic-query {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0 9px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  background: var(--color-surface);
  font-size: 9px;
}

.semantic-query span {
  padding: 2px 5px;
  color: var(--color-bg);
  background: var(--color-text);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.semantic-query strong { font-weight: 600; }

.document-list { position: relative; display: grid; gap: 5px; overflow: hidden; }

.knowledge-document {
  position: relative;
  z-index: 1;
  display: flex;
  height: 42px;
  align-items: center;
  gap: 9px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  background: var(--color-bg);
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.knowledge-document__icon {
  display: grid;
  width: 25px;
  height: 25px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--muted);
  background: var(--color-surface);
}

.knowledge-document__details {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 2px;
}

.knowledge-document__details strong {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 9px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.knowledge-document__details small { color: var(--muted); font-size: 7px; }

.searching-dot { width: 4px; height: 4px; background: var(--color-neutral-400); }

.match-badge {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px 5px;
  color: var(--color-bg);
  background: var(--color-accent-700);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.scan-beam {
  position: absolute;
  z-index: 3;
  top: 0;
  right: 0;
  left: 0;
  height: 28px;
  pointer-events: none;
  border-top: 2px solid var(--color-accent);
  background: linear-gradient(to bottom, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent);
}

.assistant-message {
  display: flex;
  width: 100%;
  gap: 11px;
  margin-top: 8px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  will-change: transform, opacity;
}

.assistant-avatar { width: 29px; height: 29px; flex: 0 0 auto; }

.assistant-message__body { min-width: 0; flex: 1; padding-top: 1px; }

.assistant-message__meta {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 7px;
}

.assistant-message__meta strong {
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.assistant-message__meta span {
  padding: 2px 5px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 7px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.answer-copy {
  max-width: 570px;
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  text-wrap: pretty;
}

.answer-word { display: inline-block; margin-right: 0.24em; }
.answer-word--cited { margin-right: 0; white-space: nowrap; }

.citation {
  display: inline-flex;
  align-items: center;
  margin-left: 3px;
  padding: 1px 4px;
  color: var(--color-accent-700);
  font-size: 9px;
  font-weight: 800;
  line-height: 1.5;
  vertical-align: super;
}

.answer-source {
  display: inline-flex;
  height: 28px;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 0 9px 0 4px;
  border: 1px solid var(--color-text);
  background: var(--color-bg);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.answer-source__number {
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  color: var(--color-bg);
  background: var(--color-accent);
  font-size: 8px;
  font-weight: 800;
}

.answer-source small { margin-left: 2px; color: var(--muted); font-size: 7px; font-weight: 600; }

.source-sidebar {
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  display: flex;
  width: 46%;
  height: 100%;
  min-height: 0;
  flex-direction: column;
  padding: 0 16px 14px;
  overflow: hidden;
  border-left: 2px solid var(--color-text);
  background: var(--color-surface);
  transform-style: flat;
  backface-visibility: visible;
  will-change: clip-path;
}

.drawer-handle { display: none; }

.source-sidebar__header {
  display: flex;
  flex: 0 0 66px;
  height: 66px;
  align-items: center;
  gap: 10px;
  margin: 0 -16px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  background: var(--color-bg);
}

.source-file-icon {
  position: relative;
  display: grid;
  width: 32px;
  height: 36px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid var(--color-accent-300);
  color: var(--color-accent-700);
  background: var(--color-accent-100);
}

.source-file-icon span {
  position: absolute;
  right: 2px;
  bottom: 1px;
  font-size: 5px;
  font-weight: 800;
}

.source-sidebar__title {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  gap: 2px;
}

.source-sidebar__title strong {
  overflow: hidden;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source-sidebar__title span { color: var(--muted); font-size: 7.5px; }

.source-sidebar__title .source-sidebar__label {
  color: var(--color-accent-700);
  font-size: 6.5px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.source-sidebar__context {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: space-between;
  padding: 10px 1px 8px;
  color: var(--muted);
  font-size: 8px;
}

.evidence-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 7px;
  border: 1px solid var(--color-accent-300);
  color: var(--color-accent-700);
  background: var(--color-accent-100);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.pdf-viewer {
  display: flex;
  min-height: 0;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  border: 2px solid var(--color-text);
  background: var(--color-neutral-200);
  transform-style: flat;
  will-change: transform, opacity;
}

.pdf-viewer__toolbar {
  display: flex;
  height: 30px;
  flex: 0 0 30px;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  background: var(--color-bg);
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  will-change: transform, opacity;
}

.pdf-viewer__toolbar-divider { width: 1px; height: 12px; background: var(--line); }

.pdf-viewer__zoom { display: inline-flex; align-items: center; gap: 5px; }

.pdf-viewer__zoom i {
  display: grid;
  width: 14px;
  height: 14px;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--color-bg);
  font-size: 9px;
  font-style: normal;
  font-weight: 500;
}

.pdf-viewer__zoom strong { min-width: 24px; font-size: 7px; text-align: center; }

.pdf-viewer__file-state { margin-left: auto; font-size: 6.5px; }

.pdf-viewer__canvas {
  display: block;
  min-height: 0;
  flex: 1;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 10px 12px 12px;
  background: var(--color-neutral-200);
  scrollbar-color: var(--color-neutral-500) transparent;
  scrollbar-width: thin;
}

.pdf-viewer__canvas::-webkit-scrollbar { width: 5px; }
.pdf-viewer__canvas::-webkit-scrollbar-track { background: transparent; }
.pdf-viewer__canvas::-webkit-scrollbar-thumb { background: var(--color-neutral-500); }

.pdf-viewer__pages {
  display: flex;
  width: 100%;
  height: 100%;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.source-document {
  display: flex;
  width: min(360px, 100%);
  height: 100%;
  min-height: 0;
  flex: 0 0 100%;
  flex-direction: column;
  margin: 0 auto;
  padding: 20px 24px 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #ffffff;
  font-family: var(--font-body);
  backface-visibility: visible;
}

.source-document__masthead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.source-document__masthead span {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.source-document__masthead small {
  color: var(--muted);
  font-size: 5.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-document__rule { height: 2px; margin: 8px 0 15px; background: var(--color-text); }

.source-document__section {
  margin: 0 0 7px !important;
  color: var(--color-accent-700);
  font-size: 6.5px !important;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.source-document h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.source-document h3 {
  margin: 2px 0 8px;
  font-family: var(--font-heading);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.35;
}

.source-document p {
  margin: 0 0 10px;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
  font-size: 9px;
  line-height: 1.6;
}

.source-document__evidence-line { color: var(--color-text) !important; font-weight: 600; }

.source-document mark {
  margin: -2px -3px;
  padding: 2px 3px;
  color: inherit;
  background: transparent;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.evidence-confirmation {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 4px;
  margin: -2px 0 10px;
  padding: 3px 5px;
  color: var(--color-bg);
  background: var(--color-accent-700);
  font-size: 6.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.source-document footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 9px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 6.5px;
  letter-spacing: 0.06em;
}

.source-sidebar__verified {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 0 0 auto;
  margin-top: 8px;
  color: var(--muted);
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-sidebar__verified span {
  display: grid;
  width: 16px;
  height: 16px;
  place-items: center;
  color: var(--color-bg);
  background: var(--color-text);
}

.sidebar-backdrop {
  position: absolute;
  z-index: 5;
  inset: 0;
  visibility: hidden;
  background: color-mix(in srgb, var(--color-text) 45%, transparent);
  opacity: 0;
}

.reset-cover {
  position: absolute;
  z-index: 15;
  inset: 0;
  background: var(--color-bg);
  pointer-events: none;
}

@media (max-width: 900px) {
  .conversation { padding-right: 32px; padding-left: 32px; }
  .question-composer { right: 32px; left: 32px; }
  .source-sidebar { padding-right: 12px; padding-left: 12px; }
  .source-sidebar__header { margin-right: -12px; margin-left: -12px; padding-right: 12px; padding-left: 12px; }
  .source-document { padding-right: 19px; padding-left: 19px; }
}

@media (max-width: 739px) {
  .product-demo { height: 660px; min-height: 660px; }
  .product-demo__topbar { padding: 0 12px; }
  .knowledge-status { display: none; }
  .playback-control { height: 28px; padding: 0 9px; font-size: 9px; }
  .chat-pane__header { padding: 0 18px; }
  .conversation { inset: 56px 0 94px; padding: 20px 18px 12px; }
  .conversation__intro { width: 94%; margin-top: 0; font-size: 10px; }
  .user-message { max-width: 88%; font-size: 11px; }
  .question-composer { right: 17px; bottom: 31px; left: 17px; }
  .question-input { font-size: 11px; }
  .search-card { top: 104px; width: 100%; padding: 11px; }
  .knowledge-document { height: 40px; }
  .answer-copy { font-size: 12px; }

  .source-sidebar {
    top: auto;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 73%;
    padding: 0 15px 12px;
    border-top: 2px solid var(--color-text);
    border-left: 0;
  }

  .drawer-handle {
    display: block;
    width: 40px;
    height: 3px;
    margin: 7px auto 2px;
    background: var(--color-neutral-500);
  }

  .source-sidebar__header { flex-basis: 54px; height: 54px; margin: 0 -15px; padding: 0 15px; }
  .source-file-icon { width: 29px; height: 32px; }
  .source-sidebar__context { padding-top: 7px; padding-bottom: 6px; }
  .pdf-viewer__toolbar { height: 28px; flex-basis: 28px; padding: 0 8px; }
  .pdf-viewer__canvas { padding: 7px 10px 8px; }
  .source-document { height: 100%; min-height: 0; padding: 14px 17px 10px; }
  .source-document__rule { margin: 6px 0 10px; }
  .source-document h2 { margin-bottom: 8px; font-size: 15px; }
  .source-document p { margin-bottom: 7px; font-size: 8.2px; line-height: 1.5; }
  .evidence-confirmation { margin-bottom: 7px; font-size: 6px; }
  .source-document footer { margin-top: 8px; padding-top: 6px; }
  .source-sidebar__verified { margin-top: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  .question-input__caret { animation: none; opacity: 0; }
}