.app-detail-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.app-detail-header img {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.app-detail-header div {
  flex: 1;
}

.app-detail-header h1 {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.app-detail-header .app-meta {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.app-detail-header .app-meta a {
  color: var(--color-accent);
}

.install-btn {
  flex-shrink: 0;
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s;
}

.install-btn:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
  color: #fff;
}

.app-body-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
  line-height: 1.7;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.app-body-content p {
  margin-bottom: 0.75rem;
}

.app-body-content ul,
.app-body-content ol {
  margin: 0 0 0.75rem 1.25rem;
}

.app-body-content li {
  margin-bottom: 0.25rem;
}

.app-body-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 1rem auto;
}

.app-body-content table {
  border-collapse: collapse;
  margin: 1rem auto;
}

.app-body-content table td {
  padding: 4px;
  text-align: center;
}

.app-body-content table img {
  margin: 0;
}

.gallery {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
  text-align: center;
}

.gallery h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-align: left;
}

.gallery-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.gallery-inner img {
  max-width: 100%;
  max-height: 480px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  object-fit: contain;
  flex: 1;
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.16s ease, transform 0.16s ease;
  will-change: opacity, transform;
}

.gallery-inner img.gal-transition {
  opacity: 0;
}

.gallery-inner img.gal-transition.gal-next {
  transform: translateX(10px);
}

.gallery-inner img.gal-transition.gal-prev {
  transform: translateX(-10px);
}

.gallery-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.gallery-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.gallery-btn:disabled {
  opacity: 0.3;
  cursor: default;
  border-color: var(--color-border);
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 0.75rem;
}

.gallery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s;
}

.gallery-dot.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.app-links-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 2.5rem;
}

.app-links-section h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.app-links-section ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-links-section li a {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
}

.app-links-section li a:hover {
  border-color: var(--color-accent);
  background: var(--color-surface);
  text-decoration: none;
}

.button-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.app-button {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 0.15s;
}

.app-button:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
  color: #fff;
}

#back-link {
  display: inline-block;
  margin: 1rem 1.5rem 0;
  max-width: var(--max-width);
  width: calc(100% - 3rem);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

#back-link:hover {
  color: var(--color-accent);
}

.error-box {
  text-align: center;
  padding: 4rem 1.5rem;
  color: var(--color-text-muted);
}

.error-box h2 {
  color: var(--color-text);
  margin-bottom: 0.5rem;
}