:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #fafaf8;
  --muted: #6b6b6b;
  --accent: #7a5c3e;
  --border: #ddd8cf;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eee;
    --bg: #171613;
    --muted: #999;
    --accent: #c9a877;
    --border: #3a382f;
  }
}

* { box-sizing: border-box; }

html { overflow-x: hidden; } /* overflow-x:hidden on body alone doesn't stop the viewport itself from scrolling */

body {
  font-family: -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  overflow-x: hidden; /* the brand mark deliberately bleeds past the reading column */
}

header {
  position: relative;
  margin-bottom: 0.75rem;
  padding-top: 0.5rem;
}
header .tagline { position: relative; z-index: 1; }
h1 { margin-bottom: 0.25rem; }
.tagline { color: var(--muted); margin-top: 0; }

#brand-lockup { position: relative; z-index: 1; display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.3rem; }
#brand-lockup h1 { margin-bottom: 0; }

#prompt-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  cursor: default;
}
#prompt-icon svg { width: 100%; height: 100%; overflow: visible; }
.prompt-icon-void {
  stroke: var(--border);
  stroke-width: 1.5;
  stroke-linecap: round;
}
.prompt-icon-node {
  stroke: var(--accent);
  fill: var(--accent);
  stroke-width: 1.5;
  transform-box: fill-box;
  transform-origin: center;
  transform: translateY(7px) scale(0.35);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.35s ease;
  transition-delay: var(--delay);
}
/* The small logo icon rises out of its "void" on hover — same motif as the
   large schematic sequence below, just a persistent miniature version.
   Triggered by hovering the whole lockup (icon + wordmark), not just the
   tiny icon itself, since that's a much more forgiving hit target. */
#brand-lockup:hover .prompt-icon-node {
  transform: translateY(0) scale(1);
  opacity: 1;
}

/* While a distill is actually running (gate + taxonomy), the same nodes
   loop continuously instead of waiting for hover — the logo itself becomes
   the "working on it" indicator, staggered per node via --delay so it reads
   as a small cascade rather than three dots blinking in unison. Shared by
   the header icon (toggled on/off in app.js) and the modal's copy of it
   (permanently .icon-processing in the HTML, since the modal only ever
   exists while something is actually processing). */
.icon-processing .prompt-icon-node {
  animation: iconProcessPulse 1.3s ease-in-out infinite;
  animation-delay: var(--delay);
}
/* Same cascade, finite instead of looping — a quiet "hello" a few seconds
   after page load rather than requiring a visitor to discover the hover
   trigger. Ends on the animation's 0%/100% (small, dim) keyframe, close
   enough to the true rest state (opacity 0) that removing this class
   afterward finishes with a smooth fade via the base rule's own transition,
   not a jarring snap. */
.icon-intro .prompt-icon-node {
  animation: iconProcessPulse 1.3s ease-in-out 4;
  animation-delay: var(--delay);
}
@keyframes iconProcessPulse {
  0%, 100% { transform: translateY(7px) scale(0.35); opacity: 0.25; }
  50% { transform: translateY(0) scale(1); opacity: 1; }
}

#brand-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 850px;
  max-width: none;
  filter: sepia(1) saturate(1.4) opacity(0.16);
  pointer-events: none;
  z-index: 0;
}

section { margin-bottom: 2rem; }

label { display: block; margin-bottom: 0.4rem; font-weight: 600; }

textarea, input[type="text"] {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
}

button {
  margin-top: 0.6rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: default; }

.skip-btn {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
  font-weight: normal;
  margin-left: 0.5rem;
}

.link-btn {
  margin-top: 0;
  padding: 0.15rem 0;
  background: transparent;
  border: none;
  color: var(--accent);
  font-weight: normal;
  font-size: 0.8rem;
  text-decoration: underline;
  cursor: pointer;
}
.link-btn:hover { opacity: 0.7; }

#expand-controls { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; flex-wrap: wrap; }

.icon-btn {
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-weight: normal;
  font-size: 0.8rem;
}
.icon-btn svg { width: 14px; height: 14px; }
.icon-btn:hover { color: var(--fg); border-color: var(--muted); }

/* Bolder than its icon-btn siblings on purpose — this is the default,
   primary way most people now move through a fresh taxonomy, not a peer
   utility button like Expand/Collapse all. */
#interview-toggle-btn {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}
#interview-toggle-btn:hover { opacity: 0.88; color: #fff; border-color: var(--accent); }

.pick-btn {
  margin-top: 0;
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.9rem;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
}
.pick-btn svg { width: 15px; height: 15px; }
.pick-btn:hover { opacity: 0.85; }

.pick-btn-sm {
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
}
.pick-btn-sm svg { width: 12px; height: 12px; }

.category-controls { display: flex; align-items: center; gap: 0.9rem; margin: 0 0 0.5rem 1.6rem; }
.category-controls .link-btn { margin: 0; }

#stale-banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.9rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: rgba(127, 127, 127, 0.08);
  font-size: 0.9rem;
}
#stale-banner button { margin-top: 0; padding: 0.35rem 0.8rem; font-size: 0.85rem; }
#stale-banner[hidden] { display: none; }

#persona-row { display: flex; align-items: center; gap: 0.6rem; margin-top: 0.6rem; }
#persona-row label { margin-bottom: 0; font-weight: normal; font-size: 0.85rem; color: var(--muted); }
#persona-row select {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
  font-family: inherit;
  font-size: 0.85rem;
}

/* Deliberately NOT setting display: on this rule, even though it's toggled
   via .hidden alongside demo-cases/trending-section — an ID selector doing
   that outranks the browser's default [hidden]{display:none} and silently
   defeats the toggle (see the process-modal-backdrop incident). Block is the
   default for a div, so leaving it alone gets the same effect safely. */
#blueprint-section {
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: rgba(127, 127, 127, 0.08);
}
#blueprint-tagline { margin: 0 0 0.55rem; font-size: 0.88rem; }
#blueprint-tagline strong { color: var(--accent); }
.blueprint-chip {
  margin-top: 0;
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  flex: 0 0 auto;
  white-space: nowrap;
}
.blueprint-chip:hover { opacity: 0.85; }

#demo-cases { margin-top: 1rem; }
.demo-label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 0.4rem; }

/* Shared by all three horizontal pill lists (Fathmics to Explore, Most
   Searched Here, Trending out there) — manual arrow-scroll only, no
   auto-drift on any of them. */
.hscroll-wrap { display: flex; align-items: center; gap: 0.4rem; }
.hscroll-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.3rem;
  scrollbar-width: thin;
}
.demo-btn {
  margin-top: 0;
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
  font-weight: normal;
  font-size: 0.85rem;
  padding: 0.4rem 0.8rem;
  flex: 0 0 auto;
  white-space: nowrap;
}
.demo-btn:hover { color: #fff; background: var(--accent); border-color: var(--accent); }

.scroll-arrow {
  flex: 0 0 auto;
  margin-top: 0;
  width: 1.9rem;
  height: 1.9rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 1.1rem;
  line-height: 1;
}
.scroll-arrow:hover { color: var(--fg); border-color: var(--muted); }

#trending-section { margin-top: 1.25rem; }
#trending-header { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
#trending-header .demo-label { margin-bottom: 0; }
#trending-filter {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
  font-family: inherit;
  font-size: 0.85rem;
}
.trending-btn { font-size: 0.8rem; }

.skip-btn:hover { color: var(--fg); border-color: var(--muted); }

.status { color: var(--muted); font-size: 0.9rem; }
.status-pulsing { animation: statusPulse 1.6s ease-in-out infinite; }
@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.category-row {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
  border-radius: 8px;
  transition: background 0.15s ease, opacity 0.25s ease, filter 0.25s ease;
}
.category-row.dragging { opacity: 0.4; }
.category-row.drag-over { background: rgba(127, 127, 127, 0.12); }

/* Soft spotlight: once any category is open, everything else dims instead
   of competing for attention at full weight — no toggle, no separate mode,
   just a state that already exists (<details open>). Pure CSS via :has(),
   reverts automatically the moment nothing is open. */
#taxonomy-tree:has(.category[open]) .category-row:not(:has(.category[open])) {
  opacity: 0.45;
  filter: saturate(0.5);
}

/* Brief attention cue when interview mode lands on a new category — fades
   out on its own via app.js removing the class ~1.2s later. */
.category-row-flash .category {
  animation: categoryFlash 1.2s ease-out;
}
@keyframes categoryFlash {
  0% { box-shadow: 0 0 0 3px var(--accent); }
  100% { box-shadow: 0 0 0 3px transparent; }
}

.interview-nav-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0.9rem 0 0.4rem;
}
.interview-nav-row .skip-btn { margin: 0; }
.interview-circleback-prompt {
  flex-basis: 100%;
  color: var(--muted);
  font-size: 0.85rem;
}

.interview-next-btn {
  display: block;
  flex: 1 1 auto;
  margin: 0;
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
  animation: nextBtnFlash 1s ease-out;
}
@keyframes nextBtnFlash {
  0% { transform: scale(0.9); opacity: 0; }
  60% { transform: scale(1.04); opacity: 1; }
  100% { transform: scale(1); }
}

/* The category currently being interviewed lifts out of the list into a
   floating card — deliberately no click-blocking backdrop behind it (that
   would break "still clickable if you're struck"); the existing
   dim-siblings rule already recedes everything else, so this only needs to
   handle its own elevation. No entrance keyframe here (opacity/transform
   are handled by category-row-flash already) — this class only needs to
   change where and how the row is positioned. */
.category-row.interview-float {
  position: fixed;
  top: 6vh;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 92vw);
  max-height: 86vh;
  overflow-y: auto;
  z-index: 60;
  margin: 0;
  padding: 0.6rem;
  background: var(--bg);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  opacity: 1 !important; /* never dimmed by the sibling-dim rule, regardless of what else is open */
}
.category-row.interview-float .drag-handle { display: none; }
.category-row.interview-float .category { border: none; padding: 0; }
.category-row.interview-float .interview-nav-row {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  padding-top: 0.4rem;
}

.drag-handle {
  cursor: grab;
  color: var(--muted);
  padding: 0.75rem 0.2rem 0 0;
  user-select: none;
  line-height: 1;
}
.drag-handle:active { cursor: grabbing; }

.category {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 0.9rem;
}
.category > summary {
  list-style: none;
  cursor: pointer;
  padding: 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 700;
}
.category > summary::-webkit-details-marker { display: none; }
.category > summary::before { content: "\25B8  "; color: var(--accent); }
.category[open] > summary::before { content: "\25BE  "; }
.category[open] { padding-bottom: 0.75rem; }

.subcategory {
  margin: 0 0 0.6rem 1.1rem;
  border-left: 2px solid var(--border);
  padding-left: 0.9rem;
}
.subcategory > summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0;
}
.subcategory > summary::-webkit-details-marker { display: none; }
.subcategory > summary::before { content: "\25B8  "; color: var(--muted); }
.subcategory[open] > summary::before { content: "\25BE  "; }

.elements {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0.2rem 0 0.6rem 1.1rem;
}
.elements label {
  font-weight: normal;
  font-size: 0.9rem;
  color: var(--muted);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.elements label:has(input:checked) { color: var(--fg); }
.elements label.excluded { display: none; }

.general-option {
  font-style: italic;
  color: var(--accent) !important;
  padding-bottom: 0.4rem;
  margin-bottom: 0.2rem;
  border-bottom: 1px dashed var(--border);
}
.general-option:has(input:checked) { font-style: normal; font-weight: 600; }
.specific-elements.collapsed-by-general { display: none; }
.subcategory.excluded-subcategory { display: none; }

.category-general-option {
  display: block;
  padding: 0.5rem 0 0.75rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}
.category-subs.collapsed-by-general { display: none; }

.fixedness-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  margin-left: 0.6rem;
  vertical-align: middle;
}
.fixedness-given { background: rgba(127, 127, 127, 0.15); color: var(--muted); }
.fixedness-mixed { background: rgba(127, 127, 127, 0.1); color: var(--fg); border: 1px solid var(--border); }
.fixedness-explore { background: var(--accent); color: #fff; }

#stakes-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 1.5rem;
}
.stakes-knob {
  position: relative;
  width: 260px;
  height: 260px;
  border-radius: 50%;
}

/* The actual turning-knob body (perimeter + gradient track + face) is
   deliberately much smaller than the outer .stakes-knob box, leaving an
   open ring of space around it for the position markers to sit in —
   clearly outside the dial, the way labels sit outside a real knob. */
.stakes-dial {
  position: absolute;
  inset: 60px;
  border-radius: 50%;
}

/* Knurled perimeter — thin ridged ring at the very edge, alternating border
   and background color every few degrees to fake a grip texture. */
.stakes-knob-perimeter {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(var(--border) 0deg 3deg, var(--bg) 3deg 7deg);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 5px), #000 calc(100% - 5px));
}

/* The volume-style track: a 240deg ring from -120deg to 120deg (8 o'clock to
   4 o'clock, the short way through 12), gradient blue -> accent -> red, a
   120deg gap centered at the bottom. conic-gradient's `from` angle is
   clockwise-from-12, the same convention the markers and needle use below. */
.stakes-knob-arc {
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: conic-gradient(
    from -120deg,
    #5b8dd6 0deg,
    var(--accent) 120deg,
    #d64545 240deg,
    transparent 240deg,
    transparent 360deg
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
}

.stakes-knob-face {
  position: absolute;
  inset: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.stakes-knob-label {
  position: relative;
  z-index: 1;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  /* Engraved-into-the-face look: light shadow below (catching light), dark
     shadow above (the incised edge) — reads as debossed rather than flat. */
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.35),
    0 -1px 1px rgba(0, 0, 0, 0.35);
}
.stakes-knob-needle {
  position: absolute;
  bottom: 50%;
  left: 50%;
  width: 3px;
  height: 34%;
  background: var(--accent);
  border-radius: 2px;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(0deg);
  transition: transform 0.25s ease, background 0.25s ease;
}

/* Small curved accent sitting right at the needle's tip (needle reaches
   ~41px from center: 34% of the 118px face) — NOT a long separate arm, just
   a tiny marker riding just past where the needle already points. Same
   bottom:50%/transform-origin:bottom-center pattern as the needle so it
   rotates around the same true center. */
.stakes-pointer {
  position: absolute;
  bottom: 50%;
  left: 50%;
  width: 18px;
  height: 47px;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(0deg);
  transition: transform 0.25s ease, color 0.25s ease;
  color: var(--accent);
  pointer-events: none;
}
.stakes-pointer svg {
  position: absolute;
  top: 0;
  left: 0;
}
.stakes-pointer svg path { stroke: currentColor; stroke-width: 2; }

/* Markers sit at 5 evenly-spaced points across the 340deg sweep, positioned
   via the left/top percentages set inline in the HTML. */
.stakes-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}
.stakes-marker-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--muted);
  background: transparent;
  transition: all 0.15s ease;
}
.stakes-marker.active .stakes-marker-dot {
  width: 14px;
  height: 14px;
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(127, 127, 127, 0.18);
}
.stakes-marker-text { font-size: 0.85rem; color: var(--muted); white-space: nowrap; }
.stakes-marker.active .stakes-marker-text { color: var(--accent); font-weight: 600; }
/* The knob's own box is a fixed 260px square, but the Low/High markers sit
   at ~69% down it (top:68.75%) — everything below their labels (~40-50px)
   is dead space within that box. Pull the caption up into it rather than
   sitting after the box's true bottom edge, so it reads as paired with the
   knob instead of a separate line far below. */
.stakes-caption { margin-top: -42px; font-size: 0.95rem; color: var(--muted); }

.info-tooltip { position: relative; display: inline-block; }
.info-icon-btn {
  margin-top: 0;
  margin-left: 0.3rem;
  width: 1.5rem;
  height: 1.5rem;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: help;
  vertical-align: middle;
}

/* Second tooltip trigger, same content as the caption's — sits on the dial
   face itself in the empty gap between the Low (-120deg) and Medium (0deg)
   markers, i.e. -60deg/10 o'clock, the angular midpoint. Positioned in the
   face's own coordinate space (118px box, so this is independent of the
   outer knob's 260px marker-ring math) at a radius comfortably inside the
   face's 59px edge so it doesn't crowd the perimeter. */
.stakes-knob-hint {
  position: absolute;
  left: 17%;
  top: 31%;
  transform: translate(-50%, -50%);
}
.stakes-knob-hint .info-icon-btn { margin-left: 0; }
.info-icon-btn:hover, .info-icon-btn:focus-visible { color: var(--accent); border-color: var(--accent); }
.info-tooltip-text {
  position: absolute;
  bottom: 135%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 320px;
  max-width: 80vw;
  background: var(--fg);
  color: var(--bg);
  font-size: 0.78rem;
  line-height: 1.45;
  font-weight: normal;
  text-align: left;
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 20;
}
.info-tooltip:hover .info-tooltip-text,
.info-icon-btn:focus + .info-tooltip-text {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

#genre-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
#genre-buttons button { margin-top: 0; background: transparent; color: var(--accent); transition: background 0.15s ease, color 0.15s ease; }
#genre-buttons button:hover { background: var(--accent); color: #fff; }
#genre-buttons button.active { background: var(--accent); color: #fff; outline: 2px solid var(--accent); outline-offset: 2px; }

#reference-cards {
  display: flex;
  gap: 0.75rem;
  margin: 0.75rem 0 1.25rem;
}
.ref-card {
  position: relative;
  flex: 1;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(127, 127, 127, 0.05);
}
.ref-card[data-card="popularity"] { padding: 0.5rem; }
.ref-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ref-card-placeholder { color: var(--muted); font-size: 0.8rem; text-align: center; padding: 0.75rem; }
.ref-card button { margin-top: 0; }

.photo-credit {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.3rem 0.5rem;
  font-size: 0.65rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  text-align: right;
}
.photo-credit a { color: #fff; text-decoration: underline; }

.scope-rows-fill {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 100%;
  height: 100%;
  padding: 0.9rem 1.1rem;
  box-sizing: border-box;
}
.scope-card-title {
  flex-shrink: 0;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}
.scope-rows-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  gap: 0.5rem;
}
.scope-row {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  flex: 1; /* each row claims an equal third of the remaining height */
  min-height: 0; /* let flex children shrink/size correctly instead of overflowing */
  gap: 0.3rem;
}
.scope-row-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}
.scope-icon {
  height: 0.9rem;
  width: auto;
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  color: var(--muted);
}
.scope-icon svg { width: 100%; height: 100%; }
.scope-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.scope-mini-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  width: 100%;
  flex: 1;
  min-height: 0;
}
.scope-mini-bar { width: 16%; border-radius: 3px; background: var(--border); }
.scope-mini-bar.lit { background: var(--accent); }

/* A genuinely cloud-shaped callout. The box is a wide, short text banner
   (a paragraph, not an icon), so a single blob border-radius reads as an
   irregular pill, not a cloud -- an actual puffy edge needs a row of
   overlapping circles. Fixed px sizing/spacing is deliberate: this app has
   no responsive breakpoints and content width is reliably ~650-680px, so
   circles tuned to that width tile with real overlap instead of the sparse
   gaps that percentage-based sizing would leave at that aspect ratio.
   isolation:isolate scopes the puffs' z-index below the text so they don't
   leak into the page's stacking order. */
#disclaimer-cloud {
  position: relative;
  isolation: isolate;
  margin: 1.75rem 0 1rem;
  background: rgba(127, 127, 127, 0.07);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}
.cloud-puff {
  position: absolute;
  top: 0;
  z-index: 0;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: inherit;
  /* No border on the puffs themselves -- overlapping bordered circles would
     draw ugly crossing seams. The base rect's border still shows on the
     sides/bottom; the puffs hide the top edge of it entirely. */
  /* Relative to the puff's OWN size, not the parent's -- so this same rule
     gives every circle (regardless of its width) the same ~58% poke-above /
     42% sink-into split, fusing it into the box's top edge. */
  transform: translate(-50%, -58%);
  pointer-events: none;
}
.disclaimer-body {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  padding: 0.85rem 1.1rem;
}
#disclaimer-cloud svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 0.15rem;
  color: var(--muted);
}
#disclaimer-cloud p {
  margin: 0;
  font-size: 0.82rem;
  font-style: italic;
  line-height: 1.45;
  color: var(--muted);
}

#output-text-wrap { position: relative; }
#copy-output-btn {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  margin-top: 0;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
}
#copy-output-btn:hover { color: var(--accent); border-color: var(--accent); }
#copy-output-btn.copied { color: var(--accent); border-color: var(--accent); }

#output-text {
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.65;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 3.2rem 1.25rem 1.4rem;
  background: rgba(127, 127, 127, 0.05);
}
#output-text h4 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg);
}
#output-text h4:first-child { margin-top: 0; }
#output-text p { margin: 0 0 0.9rem; }
#output-text ul, #output-text ol { margin: 0 0 0.9rem; padding-left: 1.4rem; }
#output-text li { margin-bottom: 0.35rem; }
#output-text p:last-child,
#output-text ul:last-child,
#output-text ol:last-child { margin-bottom: 0; }
#output-text li:last-child { margin-bottom: 0; }
#output-text strong { color: var(--fg); }

/* Schematic sequence: a large wireframe replay of the actual mechanism
   (input -> gate check -> taxonomy branching -> selection -> synthesis),
   emerging from the prompt field. Takes over the space demo-cases/trending
   normally occupy while it plays (see app.js), then hands it back. Every
   element starts invisible/collapsed by default (below) and only animates
   once JS adds .is-playing to #schematic-sequence — until then this block
   is inert, so nothing plays without the class regardless of the keyframes
   existing. */
#schematic-sequence {
  position: relative;
  margin-top: 1rem;
  padding: 0.5rem 0 0;
}
#schematic-svg {
  display: block;
  width: 100%;
  height: auto;
}

.sq-input, .sq-node {
  fill: var(--accent);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.2);
}
.sq-gate {
  stroke: var(--accent);
  stroke-width: 2;
  opacity: 0;
}
.sq-branch, .sq-converge {
  stroke: var(--border);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}
.sq-leaf { fill: var(--muted); }
.sq-selected { fill: var(--accent); }
.sq-output {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.7);
}
.sq-output-line {
  stroke: var(--muted);
  stroke-width: 1.5;
  opacity: 0;
}
/* Each label is a small bordered chip (rect + text) rather than bare text,
   so crossing branch/converge lines never mix into it — a real background
   fill, not just a halo. .sq-label-bg starts at zero size; app.js measures
   the paired .sq-label's actual rendered width via getBBox() once on load
   and sizes/positions the rect to match with a small pad, so it fits each
   label's real length instead of a guessed fixed box. */
.sq-label-group { opacity: 0; }
.sq-label-bg {
  fill: var(--bg);
  stroke: var(--border);
  stroke-width: 1;
}
.sq-label {
  fill: var(--muted);
  font-size: 15px;
  font-style: italic;
}

.sq-dismiss-btn {
  cursor: pointer;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  transform: scale(0.2);
}
.sq-dismiss-btn rect {
  fill: var(--accent);
  transition: opacity 0.15s ease;
}
.sq-dismiss-btn:hover rect { opacity: 0.85; }
.sq-dismiss-btn text {
  fill: #fff;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  pointer-events: none;
}

#schematic-sequence.is-playing .sq-input {
  animation: sqPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
#schematic-sequence.is-playing .sq-gate {
  animation: sqRingPulse 0.7s ease-out 0.3s forwards;
}
#schematic-sequence.is-playing .sq-branch {
  animation: sqDraw 0.35s ease forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-node {
  animation: sqPopIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-selected {
  animation: sqPopIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards, sqGlow 0.6s ease forwards;
  animation-delay: var(--d), var(--gd);
}
#schematic-sequence.is-playing .sq-converge {
  animation: sqDraw 0.4s ease forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-output {
  animation: sqPopIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-output-line {
  animation: sqFadeIn 0.3s ease forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-label-group {
  animation: sqFadeIn 0.5s ease forwards;
  animation-delay: var(--d);
}
#schematic-sequence.is-playing .sq-dismiss-btn {
  animation: sqPopIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: var(--d);
}

@keyframes sqPopIn {
  from { opacity: 0; transform: scale(0.2); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes sqRingPulse {
  0% { opacity: 0; r: 16; }
  40% { opacity: 1; }
  100% { opacity: 0; r: 24; }
}
@keyframes sqDraw {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}
@keyframes sqGlow {
  0% { filter: none; }
  50% { filter: drop-shadow(0 0 5px var(--accent)); }
  100% { filter: drop-shadow(0 0 2px var(--accent)); }
}
@keyframes sqFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Process modal: shown for the duration of a live distill (gate + taxonomy).
   Real granular progress isn't available — taxonomy generation is a single
   non-streaming model call — so steps 2-6 are a timed-release simulation of
   the real work described in the taxonomy prompt (categories -> subcats ->
   conflict tagging -> fixedness scoring), reconciled against the real
   response the moment it actually lands (see app.js). Dismissible without
   canceling the underlying request. */
#process-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 14, 0.4);
  z-index: 100;
  padding: 1.25rem;
}
/* An ID selector setting `display` unconditionally would outrank the
   browser's default `[hidden] { display: none }` rule and defeat the
   `hidden` attribute entirely — this element is position:fixed + inset:0,
   so that would mean it silently blocks clicks across the whole page even
   while "hidden". Scoping display to :not([hidden]) keeps the two in sync. */
#process-modal-backdrop:not([hidden]) {
  display: flex;
  align-items: center;
  justify-content: center;
}
#process-modal {
  position: relative;
  width: 100%;
  max-width: 340px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}
#modal-prompt-icon {
  position: absolute;
  top: 1.1rem;
  right: 1.2rem;
  width: 30px;
  height: 30px;
}
#modal-prompt-icon svg { width: 100%; height: 100%; overflow: visible; }
#process-modal h3 { margin: 0 1.6rem 0.3rem 0; font-size: 1.05rem; }
#process-modal-verb {
  margin: 0 0 1.1rem;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--accent);
  min-height: 1.2em; /* reserve space so the step list below doesn't jump as the word changes length */
}
#process-steps {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
#process-steps li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.88rem;
  color: var(--muted);
}
#process-steps li.active { color: var(--fg); font-weight: 600; }

.step-icon {
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  position: relative;
}
#process-steps li.active .step-icon {
  border-color: var(--accent);
  animation: stepPulse 1s ease-in-out infinite;
}
#process-steps li.done .step-icon {
  border-color: var(--accent);
  background: var(--accent);
}
#process-steps li.done .step-icon::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
@keyframes stepPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.6; }
}
#process-modal-dismiss { display: block; margin: 0 auto; }