/* Portfolio iframe thumbnails */
.portfolio-thumb {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
  background: #e2e8f0;
}

.portfolio-thumb iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1440px;
  height: 900px;
  border: none;
  transform-origin: top left;
  pointer-events: none;
  user-select: none;
  will-change: transform;
}

.portfolio-overlay {
  z-index: 2;
}

/* Full showcase iframe */
.showcase-frame-wrap {
  position: relative;
  background: #e2e8f0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.showcase-frame-wrap .mockup-bar {
  position: relative;
  z-index: 2;
}

.showcase-iframe-container {
  min-height: 400px;
  overflow: hidden;
  position: relative;
  background: white;
  -webkit-overflow-scrolling: touch;
}

.showcase-iframe-container iframe {
  border: none;
  display: block;
  transform-origin: top left;
}

/* Mobile preview mode */
.showcase-frame-wrap.mobile-preview {
  background: #1a1a1a;
  padding: 24px 0;
}

.showcase-frame-wrap.mobile-preview .showcase-iframe-container {
  max-width: 390px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 32px;
  border: 10px solid #2a2a2a;
  box-shadow: 0 0 0 2px #444, 0 24px 48px rgba(0,0,0,0.3);
  background: #fff;
}

.showcase-frame-wrap.mobile-preview .showcase-iframe-container iframe {
  /* width/height/transform — JS에서 설정 */
}

.showcase-frame-wrap.mobile-preview .mockup-bar {
  max-width: 430px;
  margin: 0 auto;
  border-radius: 12px 12px 0 0;
}

.showcase-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  background: white;
  border-top: 1px solid var(--border);
}

.showcase-frame-wrap.mobile-preview .showcase-controls {
  background: #1a1a1a;
  border-top-color: #333;
}

.showcase-frame-wrap.mobile-preview .showcase-controls button {
  background: #2a2a2a;
  border-color: #444;
  color: #ccc;
}

.showcase-frame-wrap.mobile-preview .showcase-controls button.active {
  background: rgba(79, 70, 229, 0.2);
  border-color: var(--primary);
  color: var(--primary-light);
}

.showcase-controls button {
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.showcase-controls button:hover,
.showcase-controls button.active {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.05);
}

/* Portfolio detail - full page link */
.demo-fullscreen-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--primary-light);
  font-size: 0.9rem;
  transition: var(--transition);
}

.demo-fullscreen-btn:hover {
  color: white;
}

@media (max-width: 768px) {
  .showcase-frame-wrap.mobile-preview .showcase-iframe-container {
    max-width: 320px;
    border-width: 8px;
    border-radius: 28px;
  }
}