.app {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--pink-50);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transform: scale(0.85);
  transform-origin: top center;
}

.sticker-center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem; 
}

.sticker-app {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  padding: 2rem;
  border-radius: var(--radius);
  background: var(--pink-50);
  box-shadow: var(--shadow-card);
  max-width: 960px;
  margin: 2rem auto;
}

/* Controls panel */
.controls .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
  color: var(--pink-600);
}

.slider-group {
  margin-bottom: 1rem;
}

.input-range {
  width: 100%;
  appearance: none;
  height: 6px;
  border-radius: var(--radius);
  background: var(--pink-100);
  outline: none;
  cursor: pointer;
}

/* Range thumb styling */
.input-range::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--pink-500);
  box-shadow: var(--shadow-soft);
  cursor: grab;
  transition: var(--transition);
}

.input-range::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.1);
}

/* Buttons */
.button-row {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  flex:1;
}


/* Canvas area */
.canvas-area {
  background: var(--pink-100);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
}

canvas {
  border-radius: var(--radius);
  background: transparent;
}

/* Hint text */
.hint {
  font-size: 0.7rem;
  color: var(--pink-700);
  margin-top: 0.5rem;
  max-width: 240px;
  opacity: 0.8;
}