* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Bricolage Grotesque', sans-serif;
  min-height: 100vh;
  transition: background-color 0.4s, color 0.4s;
}

body.light-mode {
  background: linear-gradient(160deg, #FFF8E1 0%, #FFF3CC 30%, #FFE8A0 100%);
  color: #1A1A1A;
}

body.dark-mode {
  background: linear-gradient(160deg, #1a1a1a 0%, #2a2018 30%, #1e1810 100%);
  color: #FFF8E1;
}

@keyframes pulse-border {
  0%, 100% { border-color: rgba(255, 193, 7, 0.3); }
  50% { border-color: rgba(255, 193, 7, 0.8); }
}

@keyframes spin-banana {
  0% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(90deg) scale(1.1); }
  50% { transform: rotate(180deg) scale(1); }
  75% { transform: rotate(270deg) scale(1.1); }
  100% { transform: rotate(360deg) scale(1); }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-pulse-border {
  animation: pulse-border 2s ease-in-out infinite;
}

.animate-spin-banana {
  animation: spin-banana 1.5s ease-in-out infinite;
}

.animate-fade-in-up {
  animation: fade-in-up 0.6s ease-out forwards;
}

.shimmer-bg {
  background: linear-gradient(90deg, transparent 0%, rgba(255,193,7,0.1) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

.drop-zone-active {
  border-color: #FFC107 !important;
  background-color: rgba(255, 193, 7, 0.08) !important;
  transform: scale(1.01);
}

.comparison-slider {
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}

.comparison-slider:hover .slider-handle {
  transform: scaleY(1.05);
  box-shadow: 0 0 20px rgba(255, 193, 7, 0.5);
}

.glass-panel {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.light-mode .glass-panel {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 193, 7, 0.2);
}

.dark-mode .glass-panel {
  background: rgba(40, 35, 25, 0.65);
  border: 1px solid rgba(255, 193, 7, 0.15);
}

.btn-transform {
  background: linear-gradient(135deg, #FFE135 0%, #FFC107 50%, #E5A800 100%);
  color: #1A1A1A;
  font-weight: 800;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(255, 193, 7, 0.35), 0 2px 4px rgba(0,0,0,0.1);
}

.btn-transform:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 193, 7, 0.5), 0 3px 6px rgba(0,0,0,0.15);
}

.btn-transform:active:not(:disabled) {
  transform: translateY(0px);
  box-shadow: 0 2px 8px rgba(255, 193, 7, 0.25);
}

.btn-transform:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.history-thumb {
  transition: transform 0.2s, box-shadow 0.2s;
}

.history-thumb:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 193, 7, 0.3);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 193, 7, 0.5);
}