/* Quick Image Fix - Rotate & Flip Image Tool | Brand: #667eea, #764ba2 */

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: #667eea;
  color: white;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
  outline: 2px solid #764ba2;
  outline-offset: 2px;
}

.header { -webkit-backdrop-filter: saturate(180%) blur(8px); backdrop-filter: saturate(180%) blur(8px); }

.nav-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  color: #2d3748;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: #667eea; background: rgba(102, 126, 234, 0.08); }
.nav-link-active { color: #667eea !important; font-weight: 600; background: rgba(102, 126, 234, 0.1); }

.dropdown-menu { z-index: 60; }
.dropdown-item { white-space: nowrap; }

.mobile-menu[aria-hidden="true"] { pointer-events: none; }
.mobile-menu[aria-hidden="false"] { pointer-events: auto; }
.mobile-menu[aria-hidden="false"] .mobile-drawer { transform: translateX(0); }
.mobile-menu[aria-hidden="false"] .mobile-overlay { opacity: 1; pointer-events: auto; }
.mobile-menu .mobile-overlay { opacity: 0; pointer-events: none; transition: opacity 0.3s; }
@media (max-width: 767px) {
  .mobile-drawer { -webkit-overflow-scrolling: touch; }
  .mobile-nav-list a { min-height: 44px; display: flex; align-items: center; }
  .hamburger { min-width: 44px; min-height: 44px; display: inline-flex !important; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
  .hamburger .hamburger-icon { width: 24px; height: 2px; min-height: 2px; background-color: #2d3748; border-radius: 1px; margin: 0; display: block; }
}

:root {
  --primary: #667eea;
  --secondary: #764ba2;
  --bg-light: #f7fafc;
}

html { overflow-x: hidden; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Ensure range input thumb visible in all browsers */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 0;
}

/* Canvas container scroll + centering */
#canvas-container {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#preview-canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Upload zone drag-over state */
#upload-zone.drag-over {
  border-color: var(--primary);
  background-color: rgba(102, 126, 234, 0.05);
}

/* Batch thumbnail cards */
.batch-thumb {
  border: 2px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.batch-thumb:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}
.batch-thumb.active {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.3);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Smooth transitions on interactive elements */
button, a, .batch-thumb {
  transition: color 0.2s, background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}