/* Interactive source viewer. The stage is deliberately dark: the viewer
   applications are dark, and the recorded-inspection frames use the same
   instrument surface. Every rule is scoped to .sv-live so nothing here
   reaches the article or the site chrome. */

.sv-live {
  margin: 26px 0 0;
  border: 1px solid var(--sv-rule);
  border-radius: var(--sv-radius);
  background: var(--sv-ground);
  overflow: hidden;
}

.sv-live__brief {
  padding: 16px 14px 12px;
  border-bottom: 1px solid var(--sv-rule);
  background: #fff;
}

.sv-live__domain {
  margin: 0 0 8px;
  color: var(--sv-green-deep);
  font-family: var(--sv-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.sv-live__caption {
  max-width: 46ch;
  margin: 0;
  color: var(--sv-ink);
  font-size: 17px;
  line-height: 1.5;
}

.sv-live__task {
  margin: 12px 0 0;
  color: var(--sv-muted);
  font-family: var(--sv-mono);
  font-size: 10px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.sv-live__question {
  margin-top: 12px;
  border-top: 1px solid var(--sv-rule-soft);
}

.sv-live__question summary {
  padding: 10px 0 0;
  color: var(--sv-green-deep);
  font-family: var(--sv-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
}

.sv-live__question-body {
  max-width: 62ch;
  padding: 10px 0 0;
  color: var(--sv-ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.sv-live__question-body p { margin: 0 0 10px; }
.sv-live__question-body p:last-child { margin-bottom: 0; }
.sv-live__question-body ul,
.sv-live__question-body ol { margin: 0 0 10px 18px; padding: 0; }
.sv-live__question-body li { margin: 0 0 5px; }
.sv-live__question-body li:last-child { margin-bottom: 0; }
.sv-live .sv-live__question-body code {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--sv-ink);
  font-family: var(--sv-mono);
  font-size: 0.92em;
}
.sv-live__question-body strong { color: var(--sv-ink); }
.sv-live__question-body pre {
  margin: 0 0 10px;
  padding: 10px 12px;
  overflow: auto;
  background: var(--sv-ground-cool);
  font-family: var(--sv-mono);
  font-size: 11px;
  line-height: 1.6;
}

.sv-live__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--sv-rule);
}

.sv-live__tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 30px;
  padding: 0 12px;
  border: 1px solid var(--sv-rule-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--sv-muted-strong);
  font-family: var(--sv-mono);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
}

.sv-live__tab:hover { border-color: var(--sv-green); color: var(--sv-green); }

.sv-live__tab[aria-selected="true"] {
  border-color: var(--sv-green);
  background: var(--sv-green);
  color: #fff;
}

.sv-live__tab:focus-visible {
  outline: 2px solid var(--sv-green);
  outline-offset: 2px;
}

.sv-live__stage {
  position: relative;
  /* An explicit width, or min-height would push the width up through the aspect ratio. */
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 340px;
  max-height: 620px;
  background: #0d1117;
}

.sv-live__frame {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #0d1117;
  z-index: 1;
}

.sv-live__frame[hidden] { display: none; }

.sv-live__poster {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #0d1117;
  z-index: 2;
}

.sv-live__poster[hidden] { display: none; }

.sv-live__poster img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.sv-live__poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 45%,
    rgba(13, 17, 23, 0.08), rgba(13, 17, 23, 0.82));
}

.sv-live__load {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: rgba(13, 17, 23, 0.82);
  color: #f0f3f6;
  font-family: var(--sv-mono);
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
}

.sv-live__load:hover {
  border-color: #fff;
  background: rgba(20, 125, 100, 0.9);
}

.sv-live__load[hidden] { display: none; }

.sv-live__status {
  position: absolute;
  left: 50%;
  bottom: 14px;
  z-index: 3;
  max-width: calc(100% - 28px);
  margin: 0;
  padding: 7px 12px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--sv-radius);
  background: rgba(13, 17, 23, 0.9);
  color: #c9d1d9;
  font-family: var(--sv-mono);
  font-size: 10px;
  line-height: 1.5;
  text-align: center;
}

.sv-live__status[hidden] { display: none; }

.sv-live__status.is-error {
  border-color: rgba(248, 81, 73, 0.55);
  color: #ffb3ad;
}

.sv-live__bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 11px 14px;
  border-top: 1px solid var(--sv-rule);
  background: var(--sv-ground-warm);
}

.sv-live__actions {
  display: flex;
  gap: 8px;
}

.sv-live__action {
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--sv-rule-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--sv-muted-strong);
  font-family: var(--sv-mono);
  font-size: 10px;
  line-height: 1;
  cursor: pointer;
}

.sv-live__action:hover {
  border-color: var(--sv-green);
  color: var(--sv-green);
}

.sv-live figcaption {
  padding: 0 14px 14px;
  background: var(--sv-ground-warm);
  font-family: var(--sv-mono);
  font-size: 10px;
  line-height: 1.6;
  color: var(--sv-faint);
}

@media (max-width: 720px) {
  .sv-live__tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
    scrollbar-width: none;
  }

  .sv-live__tabs::-webkit-scrollbar { display: none; }

  .sv-live__tab { flex: 0 0 auto; }

  .sv-live__caption { max-width: none; font-size: 16px; }
  .sv-live__question-body { max-width: none; }

  .sv-live__stage {
    aspect-ratio: 4 / 3;
    min-height: 300px;
  }

  .sv-live__bar { align-items: flex-start; }
}