/* Kit detail screen */

#kitDetailScreen {
  display: none;
  min-height: 100vh;
  padding: clamp(2rem, 6vw, 4rem) 0;
  background: var(--bg);
}

#kitDetailScreen .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.kit-detail {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: flex-start;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--bg-elev);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.kit-detail > * {
  flex: 1 1 clamp(280px, 45vw, 500px);
}

.kit-detail-image {
  width: 100%;
  height: clamp(300px, 45vw, 400px);
  background: #0D0A07;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.kit-detail-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0D0A07;
}

.kit-detail-text h2 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  margin: 0 0 clamp(1rem, 3vw, 1.5rem);
  line-height: 1.2;
}

.kit-detail-text p {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--text-soft);
  line-height: 1.7;
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
}

.back-button {
  background: var(--brand);
  color: #ffffff;
  border: 1px solid var(--brand);
  padding: 0.7rem 1.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.2px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.back-button:hover {
  background: var(--brand-strong);
  border-color: var(--brand-strong);
}

.back-button:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.placeholder-img {
  color: var(--text-soft);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
}

/* Per-kit download buttons (Manual + 3D Model) */
.kit-detail-assets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
}

.kit-detail-assets .download-button {
  width: auto;
  flex: 1 1 160px;
  padding: 0.65rem 1.25rem;
  font-size: 0.88rem;
}