/* Viewer Guide only. Keep the shared theme and sidebar untouched. */
.rst-content .nrv-viewer-guide {
  --viewer-accent: #d50f34;
  --viewer-ink: #172033;
  --viewer-muted: #64748b;
  --viewer-line: #e2e8f0;
  max-width: 960px;
  color: #334155;
}

.rst-content .nrv-viewer-guide * { box-sizing: border-box; }
.rst-content .nrv-viewer-guide :is(h2, h3) { color: var(--viewer-ink); scroll-margin-top: 1.5rem; }
.rst-content .nrv-viewer-guide h2 { margin-top: 2.7rem; padding-top: .5rem; }
.rst-content .nrv-viewer-guide h2::before { content: ""; display: block; width: 44px; height: 3px; background: var(--viewer-accent); margin-bottom: .7rem; }
.rst-content .nrv-viewer-guide h3 { margin-top: 2rem; font-size: 1.35rem; }
.rst-content .nrv-viewer-guide p { line-height: 1.75; }

.rst-content .nrv-viewer-guide .viewer-intro { padding-bottom: .3rem; }
.rst-content .nrv-viewer-guide .viewer-lead { margin: 0; color: #475569; font-size: 1.05rem; line-height: 1.75; }
.rst-content .nrv-viewer-guide .viewer-jump-links { display: flex; flex-wrap: wrap; gap: .5rem 1.15rem; padding: 1rem 0; font-size: .85rem; }
.rst-content .nrv-viewer-guide .viewer-jump-links a { color: #64748b; text-decoration: none; border-bottom: 1px solid #d7dee8; padding: .15rem 0; }
.rst-content .nrv-viewer-guide .viewer-jump-links a:hover { color: #a70d2b; border-bottom-color: var(--viewer-accent); }

.rst-content .nrv-viewer-guide ol.viewer-workflow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding: 0; margin: 1.5rem 0 2rem; border: 1px solid var(--viewer-line); background: #f8fafc; }
.rst-content .nrv-viewer-guide ol.viewer-workflow > li { list-style: none; margin: 0; padding: .9rem 1rem; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .2rem .7rem; align-content: start; min-width: 0; }
.rst-content .nrv-viewer-guide ol.viewer-workflow li > * { margin: 0; }
.rst-content .nrv-viewer-guide ol.viewer-workflow > li + li { border-left: 1px solid var(--viewer-line); }
.rst-content .nrv-viewer-guide .viewer-step-number { grid-row: 1 / 3; padding-top: .15rem; font-size: .76rem; font-weight: 800; color: #a70d2b; letter-spacing: .05em; }
.rst-content .nrv-viewer-guide .viewer-workflow strong { color: var(--viewer-ink); font-size: .95rem; line-height: 1.5; }
.rst-content .nrv-viewer-guide .viewer-workflow li > span:last-child { grid-column: 2; color: var(--viewer-muted); font-size: .8rem; line-height: 1.5; }

.rst-content .nrv-viewer-guide .viewer-shot { margin: 1.35rem auto 1.6rem; padding: 0; width: min(100%, 700px); border: 1px solid var(--viewer-line); border-radius: 3px; background: #fff; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-shot--device { max-width: 560px; }
.rst-content .nrv-viewer-guide a.viewer-image { display: block; position: relative; background: #0d0e10; text-decoration: none; line-height: 0; }
.rst-content .nrv-viewer-guide .viewer-image img { display: block; width: 100%; height: auto; max-width: 100%; margin: 0; padding: 0; }
.rst-content .nrv-viewer-guide .viewer-mark { position: absolute; margin: 0; border: 2px solid #ff4964; border-radius: 4px; box-shadow: 0 0 0 1px rgb(0 0 0 / 40%); pointer-events: none; }
.rst-content .nrv-viewer-guide .viewer-mark b { position: absolute; margin: 0; top: -12px; left: -11px; display: grid; place-items: center; width: 24px; height: 24px; border: 2px solid #fff; border-radius: 50%; background: #d50f34; color: #fff; font: 800 12px/1 Arial, sans-serif; }
.rst-content .nrv-viewer-guide .viewer-shot figcaption { margin: 0; padding: .85rem 1rem; border-top: 1px solid var(--viewer-line); color: var(--viewer-muted); font-size: .85rem; line-height: 1.65; }
.rst-content .nrv-viewer-guide .viewer-legend { display: flex; gap: .7rem 1.4rem; flex-wrap: wrap; }
.rst-content .nrv-viewer-guide .viewer-legend span { display: inline-flex; gap: .5rem; align-items: center; margin: 0; }
.rst-content .nrv-viewer-guide .viewer-legend b, .rst-content .nrv-viewer-guide .viewer-small-step { display: inline-grid; place-items: center; width: 21px; height: 21px; flex-shrink: 0; border-radius: 50%; background: #fce8ed; color: #a70d2b; font: 800 11px/1 Arial, sans-serif; }
.rst-content .nrv-viewer-guide .viewer-device-viewport { position: relative; aspect-ratio: 1.9; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-device-viewport img { position: absolute; width: 164%; max-width: none; left: -32%; top: 50%; transform: translateY(-50%); }
.rst-content .nrv-viewer-guide .viewer-toolbar-viewport { aspect-ratio: 840 / 160; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-toolbar-viewport img { position: absolute; width: 302.26%; max-width: none; left: -57.86%; top: -885%; }

.rst-content .nrv-viewer-guide .viewer-callout { display: grid; grid-template-columns: 155px minmax(0, 1fr); gap: 1.2rem; margin: 1.5rem 0; padding: 1.2rem 1.3rem; border: 1px solid var(--viewer-line); border-left: 4px solid #a6b2c3; background: #f8fafc; }
.rst-content .nrv-viewer-guide .viewer-callout > p { margin: 0; font-size: .94rem; line-height: 1.75; }
.rst-content .nrv-viewer-guide .viewer-callout-label { color: #475569; font-size: .9rem; font-weight: 750; line-height: 1.5; }
.rst-content .nrv-viewer-guide .viewer-callout--accent { border-left-color: var(--viewer-accent); background: #fff7f9; }
.rst-content .nrv-viewer-guide .viewer-callout--accent .viewer-callout-label { color: #a70d2b; }

.rst-content .nrv-viewer-guide .viewer-split { display: grid; grid-template-columns: 1.15fr 1fr; gap: 1.8rem; align-items: start; margin-top: 1.4rem; }
.rst-content .nrv-viewer-guide .viewer-pair, .rst-content .nrv-viewer-guide .viewer-recording-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; width: min(100%, 720px); margin: 1.35rem auto; align-items: start; }
.rst-content .nrv-viewer-guide .viewer-capture { min-width: 0; padding: 0; margin: 0; border: 1px solid var(--viewer-line); border-radius: 5px; background: #fff; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-capture a { display: block; background: #111214; }
.rst-content .nrv-viewer-guide .viewer-capture img { display: block; width: 100%; max-width: 100%; height: auto; margin: 0; padding: 0; }
.rst-content .nrv-viewer-guide .viewer-capture-heading { display: flex; align-items: center; gap: .55rem; padding: .65rem .85rem; border-bottom: 1px solid var(--viewer-line); background: #f8fafc; color: var(--viewer-ink); font-size: .82rem; font-weight: 700; }
.rst-content .nrv-viewer-guide .viewer-capture-heading > * { margin: 0; }
.rst-content .nrv-viewer-guide .viewer-capture figcaption { margin: 0; padding: .85rem 1rem; border-top: 1px solid var(--viewer-line); color: var(--viewer-muted); font-size: .85rem; line-height: 1.65; }
.rst-content .nrv-viewer-guide .viewer-recording-grid { align-items: stretch; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture { display: flex; flex-direction: column; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture > a { display: flex; align-items: center; justify-content: center; height: 205px; padding: .5rem; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture img { width: auto; max-width: 100%; max-height: 100%; object-fit: contain; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture figcaption { flex: 1; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture--completion > a { padding: 0; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture--completion img { width: 100%; height: 100%; max-height: none; object-fit: cover; object-position: center bottom; }
.rst-content .nrv-viewer-guide .viewer-color-comparison { width: min(100%, 700px); margin: 1.4rem auto; border: 1px solid var(--viewer-line); border-radius: 3px; overflow: hidden; }
.rst-content .nrv-viewer-guide .viewer-comparison-scene { display: block; position: relative; aspect-ratio: 3148 / 1170; overflow: hidden; margin: 0; }
.rst-content .nrv-viewer-guide .viewer-comparison-scene img { display: block; width: 100%; max-width: 100%; height: auto; margin: 0; }
.rst-content .nrv-viewer-guide .viewer-color-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 240px)); gap: 1rem; justify-content: center; margin: 0; padding: 1rem; }
.rst-content .nrv-viewer-guide .viewer-color-grid .viewer-capture { border: 0; }
.rst-content .nrv-viewer-guide .viewer-color-grid .viewer-capture > a { min-height: 198px; display: flex; justify-content: center; align-items: center; }
.rst-content .nrv-viewer-guide .viewer-color-grid img { width: auto; max-width: 100%; max-height: 198px; }
.rst-content .nrv-viewer-guide .viewer-color-grid figcaption { border: 0; padding: .7rem 0 0; font-size: .79rem; }

.rst-content .nrv-viewer-guide details.viewer-details { border: 1px solid var(--viewer-line); border-radius: 4px; margin: 1.4rem 0; background: #f8fafc; }
.rst-content .nrv-viewer-guide .viewer-details > summary { cursor: pointer; padding: .9rem 1.1rem; color: var(--viewer-ink); font-weight: 700; font-size: .92rem; }
.rst-content .nrv-viewer-guide .viewer-details .viewer-shot { width: calc(100% - 2rem); margin: 0 auto 1rem; }
.rst-content .nrv-viewer-guide .viewer-details > :not(summary) { margin-left: 1rem; margin-right: 1rem; }
.rst-content .nrv-viewer-guide .viewer-details .viewer-pair { width: calc(100% - 2rem); }
.rst-content .nrv-viewer-guide .viewer-details > table { width: calc(100% - 2rem); }
.rst-content .nrv-viewer-guide table { display: table; width: 100%; margin: 1.4rem 0; border-collapse: collapse; font-size: .9rem; }
.rst-content .nrv-viewer-guide table :is(th, td) { padding: .75rem .85rem; border: 1px solid var(--viewer-line); white-space: normal; vertical-align: top; line-height: 1.6; }
.rst-content .nrv-viewer-guide table th { color: var(--viewer-ink); background: #f3f6f9; font-weight: 700; }
.rst-content .nrv-viewer-guide table td { background: #fff; }
.rst-content .nrv-viewer-guide :is(p, li, td, figcaption) code { white-space: normal; overflow-wrap: anywhere; font-size: .86em; }
.rst-content .nrv-viewer-guide a:focus-visible, .rst-content .nrv-viewer-guide summary:focus-visible { outline: 3px solid var(--viewer-accent); outline-offset: 3px; }

@media (max-width: 1050px) {
  .rst-content .nrv-viewer-guide .viewer-split { grid-template-columns: 1fr; gap: 1rem; }
  .rst-content .nrv-viewer-guide .viewer-split .viewer-capture { width: min(100%, 580px); margin: 0 auto; }
}

@media (max-width: 760px) {
  .rst-content .nrv-viewer-guide h2 { margin-top: 2.5rem; }
  .rst-content .nrv-viewer-guide .viewer-callout { grid-template-columns: 1fr; gap: .5rem; padding: 1rem; }
  .rst-content .nrv-viewer-guide .viewer-pair, .rst-content .nrv-viewer-guide .viewer-recording-grid { grid-template-columns: 1fr; }
  .rst-content .nrv-viewer-guide .viewer-pair .viewer-capture { width: min(100%, 580px); margin: 0 auto; }
  .rst-content .nrv-viewer-guide .viewer-recording-grid { max-width: 400px; }
  .rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture > a { height: 220px; }
  .rst-content .nrv-viewer-guide .viewer-color-grid { gap: .7rem; }
  .rst-content .nrv-viewer-guide .viewer-color-grid .viewer-capture > a { min-height: 0; }
  .rst-content .nrv-viewer-guide .viewer-color-grid img { width: 100%; height: auto; }
  .rst-content .nrv-viewer-guide .viewer-color-grid { padding: .65rem; }
  .rst-content .nrv-viewer-guide .viewer-color-grid figcaption { padding: .6rem 0 0; font-size: .75rem; }
  .rst-content .nrv-viewer-guide table { font-size: .8rem; }
  .rst-content .nrv-viewer-guide table :is(th, td) { padding: .6rem; }
  .rst-content .nrv-viewer-guide .viewer-device-viewport { aspect-ratio: 1.28; }
  .rst-content .nrv-viewer-guide .viewer-device-viewport img { width: 240%; left: -70%; }
  .rst-content .nrv-viewer-guide .viewer-mark { border-width: 1.5px; }
  .rst-content .nrv-viewer-guide .viewer-mark b { width: 19px; height: 19px; font-size: 10px; top: -10px; left: -8px; }
}

@media (max-width: 480px) {
  .rst-content .nrv-viewer-guide ol.viewer-workflow { grid-template-columns: 1fr; }
  .rst-content .nrv-viewer-guide ol.viewer-workflow > li { padding: .9rem 1rem; }
  .rst-content .nrv-viewer-guide ol.viewer-workflow > li + li { border-left: 0; border-top: 1px solid var(--viewer-line); }
  .rst-content .nrv-viewer-guide .viewer-recording-grid .viewer-capture > a { height: 195px; }
}