/*
 * size.css — youtube-thumbnail-size reference page: spec sheet,
 * safe-area diagram, and the client-side template download panel.
 */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 20px 0 28px;
}

.spec-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  background: var(--bg-elevated);
}

.spec-card__label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 6px;
}

.spec-card__value {
  font-size: 1.125rem;
  font-weight: 800;
  margin: 0;
}

.spec-card__note {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin: 6px 0 0;
}

.safe-area-diagram {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 16 / 9;
  position: relative;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 16px 0;
}

.safe-area-diagram__margin {
  position: absolute;
  inset: 8%;
  border: 2px dashed var(--accent);
  border-radius: 4px;
}

.safe-area-diagram__label {
  position: absolute;
  top: 6px;
  left: 8px;
  font-size: 0.6875rem;
  color: var(--text-secondary);
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
}

.safe-area-diagram__duration {
  position: absolute;
  right: 4%;
  bottom: 4%;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: 3px;
}

.safe-area-diagram__hover {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6%;
  background: rgba(0, 0, 0, 0.55);
}

.template-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  padding: 18px;
  margin: 24px 0 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.template-panel__text h2 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
}

.template-panel__text p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
  max-width: 52ch;
}

.template-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.template-options label {
  display: flex;
  align-items: center;
  gap: 6px;
}