/* /personaliza — garment customizer.

   Tinting technique, mirroring the source site: a solid-colour layer is
   clipped to the garment silhouette with `mask-image`, and the original
   cutout PNG sits on top in `multiply` so seams, folds and shadows survive
   whatever colour is chosen. */

.customizer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 900px) {
  .customizer {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* --- preview -------------------------------------------------------------- */

.preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 34rem;
  padding: 2rem;
  overflow: hidden;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  background: linear-gradient(to bottom right, hsl(var(--muted) / 0.2), var(--c-bg));
}

@media (min-width: 901px) {
  .preview {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

.preview__glow {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
  background:
    radial-gradient(circle at 30% 20%, hsl(var(--neon-yellow) / 0.3), transparent 50%),
    radial-gradient(circle at 70% 80%, hsl(var(--neon-pink) / 0.3), transparent 50%);
}

.stage {
  position: relative;
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

/* Colour layer, clipped to the garment shape. */
.stage__tint {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-color: var(--garment-color, #000);
  mask-image: var(--garment-mask);
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
  -webkit-mask-image: var(--garment-mask);
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  transition: background-color var(--duration-fast) ease;
}

/* Original artwork on top, multiplying its shading over the tint. */
.stage__cutout {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: none;
  mix-blend-mode: multiply;
}

.stage__text {
  position: absolute;
  cursor: grab;
  text-align: center;
  white-space: nowrap;
  font-family: var(--font-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-display);
  text-shadow: 0 1px 2px rgb(0 0 0 / 0.15);
  transform: translate(-50%, -50%);
}

.stage__art {
  position: absolute;
  cursor: grab;
  transform: translate(-50%, -50%);
  max-width: none;
}

.stage__text.is-dragging,
.stage__art.is-dragging {
  cursor: grabbing;
}

.stage__hint {
  position: absolute;
  inset: auto 0 0.75rem;
  text-align: center;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: #6b7280;
  pointer-events: none;
}

/* --- controls ------------------------------------------------------------- */

.controls {
  display: grid;
  gap: 2rem;
}

.control__label {
  display: block;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-yellow);
}

.control__label small {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: normal;
  text-transform: none;
  color: var(--c-muted-fg);
}

.choice-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.choice {
  padding: 0.85rem 0.5rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-muted-fg);
  transition:
    border-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    background-color var(--duration-fast) ease;
}

.choice:hover {
  border-color: hsl(var(--neon-yellow) / 0.5);
  color: var(--c-fg);
}

.choice[aria-pressed="true"] {
  border-color: var(--c-yellow);
  color: var(--c-yellow);
  background: hsl(var(--neon-yellow) / 0.12);
}

/* --- swatches ------------------------------------------------------------- */

.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2.5rem, 1fr));
  gap: 0.5rem;
}

.swatch {
  aspect-ratio: 1;
  border-radius: var(--radius);
  border: 2px solid transparent;
  box-shadow: inset 0 0 0 1px hsl(0 0% 100% / 0.15);
  transition: transform var(--duration-fast) var(--ease-out-expo), border-color var(--duration-fast) ease;
}

.swatch:hover {
  transform: scale(1.12);
}

.swatch[aria-pressed="true"] {
  border-color: var(--c-pink);
  transform: scale(1.08);
}

/* --- text controls -------------------------------------------------------- */

.field {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: hsl(var(--muted) / 0.5);
  transition: border-color var(--duration-fast) ease;
}

.field::placeholder {
  color: var(--c-muted-fg);
}

.field:focus {
  border-color: var(--c-yellow);
  outline: none;
}

.text-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.text-color {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-muted-fg);
  transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.text-color[aria-pressed="true"] {
  border-color: var(--c-yellow);
  color: var(--c-yellow);
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.slider-row label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--c-muted-fg);
  white-space: nowrap;
}

.slider-row output {
  min-width: 4rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: var(--tracking-display);
  color: var(--c-yellow);
  text-align: right;
}

input[type="range"] {
  flex: 1;
  height: 4px;
  appearance: none;
  border-radius: 2px;
  background: var(--c-muted);
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: var(--c-yellow);
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 1.1rem;
  height: 1.1rem;
  border: 0;
  border-radius: 50%;
  background: var(--c-yellow);
  cursor: pointer;
}

/* --- upload --------------------------------------------------------------- */

.upload {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1.5rem;
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  color: var(--c-muted-fg);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.upload:hover {
  border-color: var(--c-yellow);
  color: var(--c-yellow);
}

.upload input {
  display: none;
}

.upload-actions {
  display: none;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.upload-actions.is-active {
  display: flex;
}

.upload-error {
  margin-top: 0.75rem;
  font-size: var(--text-sm);
  color: hsl(0 84% 65%);
}

.upload-error:empty {
  display: none;
}