/* ═══════════════════════════════════════════════════════════════
   LoveCats — Image Upload / Drag-and-Drop
   ═══════════════════════════════════════════════════════════════ */

/* ── Drop Zone ───────────────────────────────────────────── */
.dropzone {
  position: relative;
  border: 2px dashed var(--c-border-strong);
  border-radius: var(--r-xl);
  padding: var(--s-10) var(--s-8);
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
  background: var(--c-surface-high);
  transition: border-color var(--dur-base), background var(--dur-base),
              box-shadow var(--dur-base);
}
.dropzone:hover,
.dropzone:focus-within {
  border-color: var(--c-primary);
  background: var(--c-primary-dim);
  box-shadow: 0 0 0 4px var(--c-primary-dim);
}

/* Active drag-over state */
.dropzone.is-drag-over {
  border-color: var(--c-primary);
  background: var(--c-primary-dim);
  animation: dzPulse 1.2s ease infinite;
}

@keyframes dzPulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--c-primary-dim); }
  50%       { box-shadow: 0 0 0 10px transparent; }
}

.dropzone__input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.dropzone__icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--r-full);
  background: var(--c-surface-raised);
  display: grid;
  place-items: center;
  margin-bottom: var(--s-1);
  pointer-events: none;
}
.dropzone__icon svg {
  width: 1.4rem;
  height: 1.4rem;
  stroke: var(--c-primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dropzone__title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--c-text-1);
  pointer-events: none;
}

.dropzone__hint {
  font-size: var(--text-xs);
  color: var(--c-text-3);
  pointer-events: none;
}

.dropzone__browse {
  display: inline-block;
  padding: var(--s-2) var(--s-5);
  background: var(--c-primary-dim);
  border: 1px solid var(--c-primary);
  border-radius: var(--r-full);
  color: var(--c-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  pointer-events: none;
  margin-top: var(--s-1);
  transition: background var(--dur-fast);
}
.dropzone:hover .dropzone__browse,
.dropzone.is-drag-over .dropzone__browse {
  background: var(--c-primary);
  color: #fff;
}

/* ── Preview Grid ────────────────────────────────────────── */
.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--s-3);
  margin-top: var(--s-4);
}
.upload-preview:empty { display: none; }

/* Individual thumbnail */
.preview-thumb {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 2px solid var(--c-border);
  background: var(--c-surface-high);
  transition: border-color var(--dur-fast);
}
.preview-thumb:hover { border-color: var(--c-primary); }

.preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Remove button */
.preview-thumb__remove {
  position: absolute;
  top: var(--s-1);
  right: var(--s-1);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: var(--r-full);
  background: rgba(0, 0, 0, 0.65);
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  transition: opacity var(--dur-fast), background var(--dur-fast);
  z-index: 2;
}
.preview-thumb:hover .preview-thumb__remove { opacity: 1; }
.preview-thumb__remove:hover { background: rgba(196, 88, 88, 0.85); }
.preview-thumb__remove svg {
  width: 0.7rem;
  height: 0.7rem;
  stroke: #fff;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
}

/* ── Status messages ─────────────────────────────────────── */
.upload-status {
  font-size: var(--text-xs);
  color: var(--c-text-3);
  text-align: right;
  margin-top: var(--s-1-5);
}
.upload-status.is-error { color: var(--c-error); }
.upload-status.is-ok    { color: var(--c-success); }