/* Optional interactions and media equivalents for THE LONG EXPOSURE. */

.flinch-lab,
.media-object,
.text-render {
  margin: 2rem 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.25rem;
}

.flinch-controls {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) 7rem;
  gap: 1rem;
  align-items: end;
}

.flinch-controls label { display: block; }
.flinch-controls input { width: 100%; }

.flinch-field {
  --flinch-at: 35%;
  position: relative;
  min-height: 12rem;
  margin: 1.25rem 0;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(to bottom, transparent 49.7%, var(--border) 49.7%, var(--border) 50.3%, transparent 50.3%),
    #000;
}

.flinch-field::before {
  content: "";
  position: absolute;
  left: var(--flinch-at);
  top: 35%;
  width: 2px;
  height: 30%;
  background: var(--understudy);
}

.flinch-field::after {
  content: attr(data-exposure-label);
  position: absolute;
  left: calc(var(--flinch-at) + 0.75rem);
  top: 57%;
  color: var(--dim);
  font-family: var(--mono);
  font-size: max(0.68em, 11px);
}

.flinch-comparison {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}

.flinch-comparison > div {
  border-top: 2px solid var(--border);
  padding-top: 0.6rem;
}

.flinch-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.flinch-captions {
  margin: 0.85rem 0 0.5rem;
  padding: 0.6rem 0.85rem;
  border-left: 2px solid var(--border);
  background: var(--void);
  color: var(--dim);
}

.flinch-cue-list {
  margin: 0.75rem 0 1rem;
  display: grid;
  gap: 0.4rem;
}

.flinch-cue-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.35rem 0.6rem;
  border: 1px solid transparent;
  color: var(--dim);
  font-size: max(0.72em, 12px);
}

.flinch-cue-item.cue-active {
  border-color: var(--understudy);
  color: var(--fg);
  background: var(--surface-alt);
}

.flinch-cue-item .chrome {
  color: var(--dim);
  white-space: nowrap;
}

.flinch-cue-item.cue-active .chrome {
  color: var(--understudy);
}

.text-render { padding: 0.85rem 1rem; }
.text-render summary { cursor: pointer; color: var(--fg); }
.text-render p { margin-bottom: 0; color: var(--dim); }

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ── Projection Mode (E4) ────────────────────────────────────────── */

.projection-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.projection-btn {
  background: var(--void);
  border: 1px solid var(--border);
  color: var(--fg);
  font-family: var(--mono);
  font-size: max(0.78em, 12px);
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  letter-spacing: 0.04em;
}

.projection-btn:hover,
.projection-btn:focus-visible {
  border-color: var(--understudy);
  color: var(--bright);
}

body.projection-mode {
  background: #000000 !important;
  color: #e6e6e6 !important;
  font-size: 1.25rem;
  line-height: 1.7;
}

body.projection-mode main {
  max-width: 90vw !important;
  padding: 2rem 4vw !important;
}

body.projection-mode .statusbar,
body.projection-mode .sysfoot {
  font-size: 0.9rem;
}

body.projection-mode .plate svg {
  max-height: 60vh;
  width: auto;
  margin: 0 auto;
  display: block;
}

body.projection-mode .plates {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(24rem, 1fr));
  gap: 3rem;
}

body.projection-mode .november-room img {
  max-height: 65vh;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

body.projection-mode .operator-block,
body.projection-mode .machine-block,
body.projection-mode .understudy {
  font-size: 1.35rem;
  line-height: 1.8;
  max-width: 55ch;
  margin: 2rem auto;
}

body.projection-mode .wall-labels section {
  margin: 2.5rem 0;
}

body.projection-mode .wall-labels h3 {
  font-size: 1.4rem;
}

@media (prefers-reduced-motion: reduce) {
  body.projection-mode * {
    animation: none !important;
    transition: none !important;
  }
}

body.plain.projection-mode {
  font-size: 1.2rem;
}

/* ── Side-by-side Comparative Workspace (B3) ─────────────────────── */

.compare-intro {
  margin: 1.5rem 0 2rem;
  border-left: 2px solid var(--border);
  padding: 0.6rem 0 0.6rem 1.2rem;
  color: var(--dim);
}

.compare-controls {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--void);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  margin: 1.5rem 0 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.compare-pair-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.compare-tab {
  background: var(--surface);
  color: var(--dim);
  border: 1px solid var(--border);
  padding: 0.45rem 0.8rem;
  font-family: var(--mono);
  font-size: max(0.72em, 11px);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: border-color 0.15s ease, color 0.15s ease, background-color 0.15s ease;
}

.compare-tab:hover,
.compare-tab:focus-visible {
  color: var(--fg);
  border-color: var(--border-strong);
}

.compare-tab.on,
.compare-tab[aria-selected="true"] {
  background: var(--surface-alt);
  color: var(--bright);
  border-color: var(--bright);
}

.compare-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.compare-toggle {
  cursor: pointer;
}

.compare-receipt-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.compare-pair {
  margin: 2rem 0 3.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.compare-pair.is-hidden {
  display: none !important;
}

.compare-pair-header {
  background: var(--surface-alt);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
}

.pair-badge {
  color: var(--bright);
  font-weight: bold;
  letter-spacing: 0.05em;
}

.pair-meta {
  color: var(--dim);
  font-size: max(0.75em, 11px);
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 30rem;
}

.compare-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.operator-column {
  border-right: 1px solid var(--border);
  background: var(--void);
}

.understudy-column {
  background: var(--void);
}

.compare-col-header {
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.operator-column .compare-col-header {
  border-top: 2px solid var(--operator);
}

.understudy-column .compare-col-header {
  border-top: 2px solid var(--understudy);
}

.operator-column .col-author {
  color: var(--operator);
  font-family: var(--mono);
  font-size: max(0.75em, 11px);
  letter-spacing: 0.06em;
}

.operator-column .col-title {
  color: var(--fg);
  font-family: var(--groovy);
  font-size: 1.15rem;
  margin: 0.15rem 0;
  text-transform: lowercase;
}

.understudy-column .col-author {
  color: var(--understudy);
  font-family: var(--mono);
  font-size: max(0.75em, 11px);
  letter-spacing: 0.06em;
}

.understudy-column .col-title {
  color: var(--understudy);
  font-family: var(--mono);
  font-size: 1.05rem;
  margin: 0.15rem 0;
}

.col-meta {
  color: var(--dim);
  font-size: max(0.68em, 11px);
  font-family: var(--mono);
}

.compare-scroll-pane {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  max-height: 65vh;
  scroll-behavior: smooth;
  flex: 1;
}

.operator-column .compare-scroll-pane {
  color: var(--fg);
}

.understudy-column .compare-scroll-pane {
  color: var(--understudy);
}

/* ── Local Route Receipt Engine (B4) ─────────────────────────────── */

.receipt-section {
  margin: 4rem 0 2rem;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 1.5rem;
}

.receipt-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.85rem;
  margin-bottom: 1.5rem;
}

.receipt-header h2 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.receipt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.receipt-card {
  border: 1px solid var(--border);
  background: var(--void);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
}

.receipt-card h3 {
  color: var(--bright);
  font-size: 0.95rem;
  margin-top: 0;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

.receipt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--mono);
  font-size: max(0.78em, 11px);
}

.receipt-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--surface-alt);
  gap: 0.75rem;
}

.receipt-list li:last-child {
  border-bottom: none;
}

.receipt-k {
  color: var(--dim);
}

.receipt-v {
  color: var(--fg);
  font-weight: bold;
  text-align: right;
}

.receipt-badge-open {
  color: var(--understudy);
  font-weight: bold;
}

.receipt-badge-sealed {
  color: var(--dim);
}

.receipt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  margin-top: 1rem;
}

.receipt-btn-danger {
  border-color: var(--operator-dim);
  color: var(--operator);
}

.receipt-btn-danger:hover,
.receipt-btn-danger:focus-visible {
  border-color: var(--operator);
  color: var(--bright);
}

/* ── Responsive & Accessibility Fallbacks ────────────────────────── */

@media (max-width: 55rem) {
  .compare-controls {
    flex-direction: column;
    align-items: flex-start;
  }
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .operator-column {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .compare-scroll-pane {
    max-height: 48vh;
  }
}

@media (max-width: 40rem) {
  .flinch-controls,
  .flinch-comparison { grid-template-columns: 1fr; }
  .receipt-grid { grid-template-columns: 1fr; }
}

body.plain .flinch-field { transition: none; }

body.plain .compare-controls {
  position: static;
  background: none;
}

body.plain .compare-scroll-pane {
  max-height: none !important;
  overflow-y: visible !important;
}

body.plain .compare-tab.on {
  font-weight: bold;
}

@media (prefers-reduced-motion: reduce) {
  .flinch-field { transition: none; }
  .compare-scroll-pane { scroll-behavior: auto !important; }
  .compare-tab { transition: none !important; }
}

@media print {
  .flinch-actions,
  .download-actions,
  .compare-controls,
  .receipt-actions { display: none !important; }
  .text-render,
  .compare-pair,
  .receipt-card { break-inside: avoid; }
  .compare-scroll-pane {
    max-height: none !important;
    overflow: visible !important;
  }
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}