/* ── CineQC Diff (compare.html) ───────────────────────────────────────── */
.diff-drop { margin-bottom: 1rem; }
.diff-clips { display: grid; gap: 0.5rem; margin: 0 0 1.25rem; }
.diff-chip { display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto auto; align-items: center; gap: 0.75rem; padding: 0.55rem 0.8rem; background: var(--noir-onyx); border: 1px solid var(--glass-border); border-radius: 0.5rem; }
.diff-chip.is-ref { border-color: var(--accent); }
.diff-chip-tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; color: var(--accent); min-width: 2.4rem; }
.diff-chip-name { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff-chip-meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); }
.diff-chip-btn { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-secondary); background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.375rem; padding: 0.3rem 0.55rem; cursor: pointer; }
.diff-chip-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--text-primary); }
.diff-chip-btn:disabled { opacity: 0.45; cursor: default; }

.diff-players { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.diff-player { margin: 0; }
.diff-player video { width: 100%; background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.5rem; display: block; }
.diff-player figcaption { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.35rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.diff-headline { font-family: var(--font-display); font-weight: 700; font-size: clamp(1rem, 2.2vw, 1.25rem); color: var(--text-primary); margin: 0 0 1rem; line-height: 1.35; }
.rank-table tr.is-best td { background: color-mix(in srgb, #46d39a 10%, transparent); }
.rank-table tr.is-worst td { background: color-mix(in srgb, #ff5d6c 10%, transparent); }
.rank-table small { color: var(--text-muted); }
.diff-badge { display: inline-block; margin-left: 0.4rem; padding: 0.1rem 0.4rem; border-radius: 999px; font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; vertical-align: middle; }
.diff-badge.best { background: #46d39a; color: #06080f; }
.diff-badge.worst { background: #ff5d6c; color: #06080f; }
.diff-badge.issues { background: var(--qc-orange); color: #06080f; }

.diff-cards { display: grid; gap: 1rem; }
.diff-card h2 { max-width: 40ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.diff-facts { margin-bottom: 1rem; }
.diff-card .scorecard { margin: 0.75rem 0; }
.diff-detail { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-secondary); margin: 0.5rem 0 0.75rem; }
.diff-warn { color: #ffb74d; }
.diff-ok { font-family: var(--font-mono); font-size: 0.75rem; color: #46d39a; margin: 0.5rem 0 0; }

.diff-findings { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; gap: 0.4rem; }
.diff-finding { display: grid; grid-template-columns: minmax(10rem, 0.35fr) minmax(0, 1fr) auto; gap: 0.75rem; align-items: baseline; padding: 0.55rem 0.8rem; border: 1px solid var(--glass-border); border-left-width: 3px; border-radius: 0.375rem; background: var(--noir-void); font-size: 0.85rem; }
.diff-finding b { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-primary); }
.diff-finding span { color: var(--text-secondary); }
.diff-finding em { font-family: var(--font-mono); font-style: normal; font-size: 0.66rem; color: var(--text-muted); white-space: nowrap; }
.diff-finding.sev-fail { border-left-color: #ff5d6c; }
.diff-finding.sev-warn { border-left-color: var(--qc-orange); }
.diff-finding.sev-info { border-left-color: #5aa9ff; }

.diff-tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.diff-tab { font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-secondary); background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.375rem; padding: 0.4rem 0.7rem; cursor: pointer; display: grid; gap: 0.1rem; text-align: left; }
.diff-tab small { font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); }
.diff-tab.is-active { border-color: var(--accent); color: var(--text-primary); }

.diff-verdict { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 1.25rem; padding: 1.25rem; margin: 0.5rem 0 1rem; background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.75rem; }
.diff-verdict strong { display: block; font-family: var(--font-display); font-weight: 900; font-size: clamp(1.4rem, 3.6vw, 2.2rem); letter-spacing: -0.02em; text-transform: uppercase; margin: 0.3rem 0 0.5rem; color: var(--accent); }
.diff-verdict.v-IDENTICAL strong, .diff-verdict.v-REENCODE strong { color: #46d39a; }
.diff-verdict.v-CONTENTEDIT strong, .diff-verdict.v-DIFFERENTCONTENT strong { color: #ff5d6c; }
.diff-verdict p { margin: 0; color: var(--text-secondary); }
.diff-evidence { margin: 0; padding-left: 1.1rem; font-family: var(--font-mono); font-size: 0.74rem; color: var(--text-secondary); line-height: 1.6; }
.diff-kpis .metric .mscore small { display: block; font-size: 0.62rem; color: var(--text-muted); }
.diff-native { margin: 1rem 0; padding: 1rem; border: 1px dashed var(--glass-border); border-radius: 0.5rem; }

.diff-lanes { display: grid; gap: 0.75rem; margin: 1.25rem 0; }
.diff-lanes canvas { width: 100%; height: 44px; display: block; background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.5rem; cursor: pointer; }

.diff-scrub { margin: 1rem 0; }
.diff-scrub-head { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 0.6rem; }
.diff-scrub-head .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); }
.diff-scrub-head input[type=range] { flex: 1 1 14rem; accent-color: var(--accent); }
.diff-frames { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.6rem; }
.diff-frames figure { margin: 0; }
.diff-frames canvas { width: 100%; image-rendering: pixelated; background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.5rem; display: block; }
.diff-frames figcaption { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); margin-top: 0.3rem; }
.diff-worst { background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.5rem; padding: 0.4rem; cursor: pointer; display: grid; gap: 0.3rem; color: var(--text-secondary); font-family: var(--font-mono); font-size: 0.62rem; text-align: left; }
.diff-worst canvas { width: 100%; image-rendering: pixelated; border-radius: 0.3rem; }
.diff-worst:hover { border-color: var(--accent); }

.diff-tables { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; margin-top: 1.25rem; overflow-x: auto; }   /* minmax(0) + scroll: wide probe tables scroll here instead of widening the page (WCAG 1.4.10) */
.compare-table tr.is-diff td { color: var(--text-primary); background: color-mix(in srgb, var(--accent) 7%, transparent); }
.diff-audio { padding: 1rem; border: 1px solid var(--glass-border); border-radius: 0.5rem; }

@media (max-width: 720px) {
  .diff-chip { grid-template-columns: auto minmax(0, 1fr); }
  .diff-verdict { grid-template-columns: 1fr; }
  .diff-finding { grid-template-columns: 1fr; }
  .diff-frames { grid-template-columns: 1fr; }
}
@media print {
  .dvp-orb, .grain-overlay, #drop, .options-row, .desktop-note, .diff-players, .diff-tabs, .batch-actions, .diff-scrub { display: none !important; }
  body { background: #fff; color: #000; }
}

/* ── Stills + summary (v1.1) ── */
.diff-summary-body p { margin: 0 0 0.9rem; color: var(--text-primary); line-height: 1.6; max-width: 80ch; }
.diff-summary-body p:last-child { margin-bottom: 0; }
.diff-rank-kind { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); margin: 1rem 0 0.5rem; }
.diff-chip-kind { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); border: 1px solid var(--glass-border); border-radius: 999px; padding: 0.1rem 0.45rem; }
.diff-chip { grid-template-columns: auto auto minmax(0, 1fr) auto auto auto; }
.diff-still-top { display: grid; grid-template-columns: minmax(10rem, 0.4fr) minmax(0, 1fr); gap: 1rem; align-items: start; margin-bottom: 0.75rem; }
.diff-thumb { width: 100%; height: auto; border: 1px solid var(--glass-border); border-radius: 0.5rem; background: var(--noir-void); }
.diff-sub { margin: 1rem 0 0.25rem; }
.diff-views { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.diff-still-view canvas { width: 100%; height: auto; display: block; background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.5rem; image-rendering: auto; }
.diff-native-note { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin: 0.5rem 0 1rem; }
@media (max-width: 720px) { .diff-still-top { grid-template-columns: 1fr; } .diff-chip { grid-template-columns: auto auto minmax(0, 1fr); } }

/* ── Modes + paired batch (v1.2) ── */
.diff-modes { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1.5rem 0 1rem; }
.diff-modes .diff-tab { padding: 0.6rem 0.9rem; font-size: 0.8rem; }
.diff-batch-intro { color: var(--text-secondary); max-width: 80ch; line-height: 1.6; margin: 0 0 1rem; }
.diff-batch-sets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.diff-batch-drop { margin: 0; padding: 1.25rem; cursor: default; display: grid; gap: 0.5rem; justify-items: center; }
.diff-batch-label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); display: flex; gap: 0.5rem; align-items: center; }
.diff-batch-label input { font-family: var(--font-body); font-size: 0.95rem; color: var(--text-primary); background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.375rem; padding: 0.35rem 0.6rem; width: 12rem; text-transform: none; letter-spacing: 0; }
.diff-batch-btns { display: flex; gap: 0.4rem; flex-wrap: wrap; justify-content: center; }
.diff-batch-plan { margin: 1rem 0; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-secondary); }
.diff-batch-plan p { margin: 0.2rem 0; }
.diff-batch-pairs { margin-top: 0.5rem; }
.diff-batch-pairs summary { cursor: pointer; color: var(--accent); }
.diff-batch-pairs ol { margin: 0.5rem 0 0 1.2rem; padding: 0; max-height: 14rem; overflow: auto; }
.diff-batch-check { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); display: flex; gap: 0.35rem; align-items: center; }
.diff-batch-table tr.diff-batch-row { cursor: pointer; }
.diff-batch-table tr.diff-batch-row:hover td { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.diff-batch-detail td { text-align: left; white-space: normal; background: var(--noir-void); }
.diff-batch-detail p { margin: 0.25rem 0; }
.diff-badge:not(.best):not(.worst):not(.issues) { background: var(--glass-border); color: var(--text-primary); }
@media (max-width: 720px) { .diff-batch-sets { grid-template-columns: 1fr; } }

/* ── Comparison viewer (v1.3) ── */
.dv { display: grid; gap: 0.6rem; margin: 1rem 0; outline: none; }
.dv:focus-visible { box-shadow: 0 0 0 2px var(--accent); border-radius: 0.5rem; }
.dv-bar { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
.dv-group { display: flex; flex-wrap: wrap; gap: 0.3rem; align-items: center; }
.dv-btn { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-secondary); background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.375rem; padding: 0.38rem 0.6rem; cursor: pointer; line-height: 1.2; }
.dv-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.dv-btn.is-on { border-color: var(--accent); color: var(--text-primary); background: color-mix(in srgb, var(--accent) 16%, var(--noir-void)); }
.dv-zoomread { min-width: 4.2rem; text-align: center; }
.dv-ctl { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); display: inline-flex; gap: 0.4rem; align-items: center; }
.dv-ctl input[type=range] { width: 9rem; accent-color: var(--accent); }
.dv-ctl select, .dv-transport select { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-primary); background: var(--noir-void); border: 1px solid var(--glass-border); border-radius: 0.375rem; padding: 0.3rem 0.4rem; }
.dv-stage { position: relative; display: flex; justify-content: center; background: #030810; border: 1px solid var(--glass-border); border-radius: 0.5rem; overflow: hidden; }
.dv-canvas { display: block; touch-action: none; cursor: crosshair; }
.dv-loupe { position: absolute; pointer-events: none; border: 1px solid var(--accent); border-radius: 0.375rem; box-shadow: 0 12px 40px rgba(0,0,0,0.55); background: #030810; }
.dv-help { position: absolute; right: 0.75rem; top: 0.75rem; display: grid; grid-template-columns: auto 1fr; gap: 0.35rem 1rem; max-width: 30rem; padding: 1rem 1.1rem; background: rgba(6,13,24,0.94); border: 1px solid var(--glass-border); border-radius: 0.5rem; font-size: 0.8rem; color: var(--text-secondary); }
.dv-help b { grid-column: 1 / -1; font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.dv-help span:nth-child(even) { font-family: var(--font-mono); color: var(--text-primary); white-space: nowrap; }
.dv-probe { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-muted); min-height: 1.3rem; display: flex; flex-wrap: wrap; gap: 0.3rem 0.9rem; align-items: center; }
.dv-probe b { color: var(--text-primary); font-weight: 500; }
.dv-sw { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 0.15rem; border: 1px solid var(--glass-border); vertical-align: -0.12rem; margin-right: 0.3rem; }
.dv-hot { color: #ff5d6c; }
.dv-transport { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.dv-scrub { flex: 1 1 14rem; accent-color: var(--accent); }
.dv-tc { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-primary); min-width: 15rem; }
.dv-play { min-width: 5.5rem; }
.dv.dv-fs { background: #060d18; padding: 0.75rem; margin: 0; align-content: start; }
.dv.dv-fs .dv-stage { border: 0; }
.diff-players-offscreen { position: absolute !important; left: -10000px; top: 0; width: 640px; opacity: 0; pointer-events: none; }
@media (max-width: 720px) { .dv-ctl input[type=range] { width: 6rem; } .dv-tc { min-width: 0; } }
@media print { .dv-bar, .dv-transport, .dv-probe { display: none !important; } }

/* ── Share link: warning beside the button, and the read-only report ── */
.diff-share-warn { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); align-self: center; }
.diff-shared-banner { border: 1px solid var(--border, rgba(255,255,255,0.18)); border-radius: 8px; padding: 0.6rem 0.9rem; margin-bottom: 1rem; }
.diff-shared-banner p { margin: 0; }
.diff-shared-pair { margin: 1rem 0; padding-top: 0.75rem; border-top: 1px solid var(--border, rgba(255,255,255,0.12)); }
.diff-shared-pair h4 { margin: 0 0 0.3rem; }
.diff-shared-pair small { color: var(--text-muted); font-weight: 400; }
@media print { .diff-share-warn, #shared-diff { display: none !important; } }

/* ── Explain this comparison (AI) ── */
.diff-ai-host { margin: 1rem 0; }
.diff-ai-confirm { margin: 0 0 0.6rem; color: var(--text-primary); }
.diff-ai-result { border: 1px solid var(--border, rgba(255,255,255,0.18)); border-radius: 8px; padding: 0.8rem 1rem; margin-bottom: 0.6rem; }
.diff-ai-result p { margin: 0 0 0.5rem; line-height: 1.55; max-width: 80ch; }
.diff-ai-result .diff-findings { margin: 0.5rem 0 0.9rem; }
.diff-ai-see { margin: 0 0 0.5rem; padding-left: 1.2rem; color: var(--text-secondary); }

/* ── PDF report: #diff-print is filled only when printing; everything else is hidden ── */
#diff-print { display: none; }
@media print {
  @page { margin: 14mm; }
  body > *:not(#diff-print) { display: none !important; }
  body { background: #fff !important; color: #000 !important; padding: 0 !important; }
  #diff-print { display: block !important; font: 11px/1.45 "Hanken Grotesk", Arial, sans-serif; color: #111; background: #fff; }
  #diff-print h1 { font-size: 20px; margin: 0 0 2px; }
  #diff-print h2 { font-size: 14px; margin: 14px 0 6px; border-bottom: 1px solid #999; padding-bottom: 2px; }
  #diff-print h3 { font-size: 12px; margin: 8px 0 4px; }
  #diff-print h3 small { font-weight: 400; color: #555; }
  #diff-print p { margin: 0 0 6px; }
  #diff-print table { width: 100%; border-collapse: collapse; margin: 4px 0 8px; }
  #diff-print th, #diff-print td { border: 1px solid #bbb; padding: 2px 5px; text-align: left; font-size: 10px; vertical-align: top; }
  #diff-print th { background: #eee; }
  #diff-print .dp-pair { break-inside: avoid; margin: 0 0 12px; padding-top: 4px; border-top: 1px solid #ccc; }
  #diff-print .dp-still { display: block; width: 100%; max-width: 180mm; margin: 4px 0; }
  #diff-print .dp-findings { margin: 4px 0; padding-left: 16px; }
  #diff-print .dp-findings .sev-fail { color: #a00; }
  #diff-print .dp-findings .sev-warn { color: #8a5a00; }
  #diff-print .dp-ai { border: 1px solid #666; padding: 4px 6px; margin-top: 6px; }
  #diff-print .dp-foot { margin-top: 12px; padding-top: 4px; border-top: 1px solid #999; font-size: 9px; color: #444; word-break: break-all; }
}