/**
 * image-to-mosaic Demo - Specific Styles
 */

/* ========== TITLE GROUP ========== */
.panel-topleft {
  height: 32px;
}

.title-group {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
}

.page-title {
  font-family: 'Inter', sans-serif;
  font-weight: 900;
  font-size: 16px;
  color: var(--text-secondary);
  letter-spacing: -0.02em;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 5px;
  font-size: 9px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: 3px;
  letter-spacing: 0.02em;
}

/* ========== TOP CENTER PANEL ========== */
.panel-topcenter {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  height: 32px;
  display: flex;
  align-items: center;
}

/* ========== TAB PANEL ========== */
.tab-panel {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--bg-panel);
  border: 1px solid var(--border-panel);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
}

.tab-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-input);
}

.tab-btn.active {
  color: var(--text-primary);
  background: var(--bg-input-hover);
}

/* ========== VIEW CONTENT ========== */
.view-content {
  display: none;
  transform-origin: center center;
}

.view-content.active {
  display: block;
}

/* Hide right panels when gallery is active */
body.gallery-view .panels-right {
  display: none;
}

/* ========== GALLERY VIEW ========== */
#gallery-wrapper {
  transform-origin: center center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 20px;
  width: 1200px;
}

.gallery-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gallery-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
}

.gallery-container {
  width: 100%;
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

/* ========== ORIGINAL STYLES ========== */

/* Canvas area - full viewport, panels float on top */
.canvas-area {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Mosaic wrapper - scaled container */
#mosaic-wrapper {
  transform-origin: center center;
}

/* Canvas area cursor */
.canvas-area {
  cursor: grab;
}

.canvas-area:active {
  cursor: grabbing;
}

#mosaic-container {
  /* Dimensions set dynamically by JS based on image type */
  max-width: calc(100vw - 300px);
  max-height: calc(100vh - 100px);
}

/* Make mosaic-container fill wrapper */
.mosaic-container {
  width: 100% !important;
  height: 100% !important;
}

/* Code output styling */
#code-output {
  max-height: 100px;
  overflow-y: auto;
}

/* ========== MOBILE OVERLAY ========== */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-canvas);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 32px;
}

.mobile-overlay-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  color: var(--text-muted);
}

.mobile-overlay-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.mobile-overlay-message {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 280px;
}

/* Show overlay when screen is too small (width OR height) */
@media (max-width: 768px), (max-height: 500px) {
  .mobile-overlay {
    display: flex;
  }
}