/* ============================================================================
   MomOps — Editorial ("Atlas") mode utilities
   ----------------------------------------------------------------------------
   Extracted and de-Tailwind'd from the source globals.css so these motifs work
   in standalone HTML. Depends on tokens from colors_and_type.css.

   The atlas mode: field-note grid texture, square corners, paper surfaces,
   brutalist hard offset shadows, evidence rails, spark bars, signal maps.
   ========================================================================== */

/* ── The field-note grid page ───────────────────────────────────────────── */
.momops-page {
  background:
    linear-gradient(90deg, var(--grid-line-v) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-line-h) 1px, transparent 1px),
    var(--warm-sand-light);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--ink);
  overflow-x: hidden;
}

/* Sections sit on a semi-opaque cream so the grid reads through */
.momops-page section {
  position: relative;
  background:
    linear-gradient(90deg, var(--grid-line-v) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-line-h) 1px, transparent 1px),
    rgba(255, 250, 240, 0.74);
  background-size: var(--grid-size) var(--grid-size);
}

/* ── Surface variants (full-bleed register changes) ─────────────────────── */
.momops-surface-cream {
  background:
    linear-gradient(90deg, var(--grid-line-v) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-line-h) 1px, transparent 1px),
    var(--cream);
  background-size: var(--grid-size) var(--grid-size);
  color: var(--ink);
}
.momops-surface-dark  { background: var(--ink);             color: var(--cream-soft); }
.momops-surface-gold  { background: var(--gold);            color: var(--ink); }
.momops-surface-coral { background: var(--coral-editorial); color: var(--cream-soft); }

.momops-surface-dark h1, .momops-surface-dark h2, .momops-surface-dark h3, .momops-surface-dark h4 { color: var(--cream-soft); }
.momops-surface-dark p,  .momops-surface-dark li { color: rgba(255, 248, 236, 0.78); }
.momops-surface-gold  :is(h1,h2,h3,h4,p,li) { color: var(--ink); }
.momops-surface-coral :is(h1,h2,h3,h4,p,li) { color: var(--cream-soft); }

/* ── Accessible card (cream paper card) ─────────────────────────────────── */
.momops-card {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 0;            /* atlas mode squares all corners */
  box-shadow: var(--shadow-block);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.momops-card p, .momops-card li { color: var(--teal-ink-medium); }

.momops-card.is-interactive { cursor: pointer; }
.momops-card.is-interactive:hover {
  box-shadow: var(--shadow-block-hover);
  transform: translate(-2px, -2px);
}

/* Small square icon chip */
.momops-icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  background: var(--cream-soft);
  color: var(--ink);
  border: 1px solid var(--rule);
}

/* ── Buttons (editorial) ────────────────────────────────────────────────── */
.momops-btn {
  font-family: var(--font-body);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0;
  background: var(--ink);
  color: var(--cream-soft);
  border: 1px solid var(--ink);
  box-shadow: var(--shadow-block-soft);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
}
.momops-btn:hover { transform: translate(-2px, -2px); box-shadow: 9px 9px 0 rgba(24,39,39,0.22); }
.momops-btn:active { transform: translate(0, 0); box-shadow: 3px 3px 0 rgba(24,39,39,0.22); }

.momops-btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
  box-shadow: none;
}
.momops-btn--outline:hover { background: rgba(24,39,39,0.04); transform: none; }

/* ── Evidence rail ──────────────────────────────────────────────────────── */
.momops-data-rail {
  --rail-accent: var(--coral-editorial);
  width: 100%;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.momops-data-row {
  display: grid;
  grid-template-columns: minmax(12.5rem, 13.5rem) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--rule-soft);
}
.momops-data-row:last-child { border-bottom: 0; }

/* Spark bar — horizontal magnitude indicator */
.momops-spark {
  position: relative;
  height: 0.55rem;
  margin-top: 0.45rem;
  background: linear-gradient(90deg, rgba(24,39,39,0.15), rgba(24,39,39,0.08));
}
.momops-spark::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--spark, 50%);
  background: var(--rail-accent);
  transform-origin: left;
  animation: momops-spark-grow 1200ms var(--ease-out) both;
}

/* ── Signal map (animated SVG: drawing lines + pulsing nodes) ────────────── */
.momops-signal-map path {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: momops-draw-line 1800ms var(--ease-draw) forwards;
}
.momops-signal-map circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: momops-node-pulse 2400ms ease-in-out infinite;
}
.momops-signal-map circle:nth-of-type(2) { animation-delay: 240ms; }
.momops-signal-map circle:nth-of-type(3) { animation-delay: 480ms; }
.momops-signal-map circle:nth-of-type(4) { animation-delay: 720ms; }

/* ── Emphasis number ────────────────────────────────────────────────────── */
.momops-stat {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--terracotta);
  line-height: 1;
}

/* ── Keyframes ──────────────────────────────────────────────────────────── */
@keyframes momops-spark-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes momops-draw-line  { to { stroke-dashoffset: 0; } }
@keyframes momops-node-pulse {
  0%, 100% { opacity: 0.56; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.18); }
}
@keyframes momops-fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .momops-spark::after,
  .momops-signal-map path,
  .momops-signal-map circle { animation: none; }
}