/**
 * Samtrygg media upload — drag-drop zone + reorderable photo grid.
 * Markup contract:
 *   <div class="media-upload" data-media-upload data-max="20" data-min="5">
 *     <div class="media-upload__zone">
 *       <svg>…</svg>
 *       <div class="media-upload__title">Dra och släpp foton här</div>
 *       <div class="media-upload__sub">eller klicka för att välja</div>
 *       <div class="media-upload__hint">JPG, PNG · max 10 MB · upp till 20 foton</div>
 *       <input type="file" accept="image/*" multiple hidden/>
 *     </div>
 *     <div class="media-upload__count"><strong>0</strong> av minst 5 foton</div>
 *     <div class="media-upload__grid">
 *       <div class="media-upload__slot is-filled" draggable="true">
 *         <div class="media-upload__thumb" style="background-image:url(…)"></div>
 *         <span class="media-upload__main-badge">Huvud</span>
 *         <button type="button" class="media-upload__remove" aria-label="Ta bort">×</button>
 *       </div>
 *     </div>
 *   </div>
 */

.media-upload__zone {
  border: 2px dashed var(--sam-light, #ECE6DD);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  background: var(--sam-brown-light, #F4EFE9);
  margin-bottom: 18px;
  transition: border-color 150ms ease, background 150ms ease;
  cursor: pointer;
}
.media-upload__zone.is-dragover {
  border-color: var(--sam-red, #FF6D59);
  background: color-mix(in oklab, var(--sam-red, #FF6D59) 6%, white);
}
.media-upload__zone svg { margin: 0 auto 10px; stroke: var(--sam-brown-dark, #6E6358); }
.media-upload__title { font-size: 15px; font-weight: 700; color: var(--sam-dark, #12161E); margin-bottom: 4px; }
.media-upload__sub   { font-size: 13px; color: var(--sam-medium, #8F857A); margin-bottom: 10px; }
.media-upload__hint  { font-size: 11.5px; color: var(--sam-medium, #8F857A); }

.media-upload__count {
  font-size: 13px;
  color: var(--sam-medium, #8F857A);
  margin-bottom: 10px;
}
.media-upload__count strong { color: var(--sam-dark, #12161E); }

.media-upload__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

.media-upload__slot {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 10px;
  overflow: hidden;
  background: var(--sam-brown-light, #F4EFE9);
  border: 1px solid var(--sam-light, #ECE6DD);
  cursor: grab;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}
.media-upload__slot:active { cursor: grabbing; }
.media-upload__slot.dragging { opacity: .4; }
.media-upload__slot.drop-target { box-shadow: inset 0 0 0 3px var(--sam-red, #FF6D59); }

.media-upload__thumb {
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.media-upload__main-badge {
  position: absolute;
  top: 6px; left: 6px;
  background: var(--sam-red, #FF6D59);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
}

.media-upload__remove {
  position: absolute;
  top: 6px; right: 6px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(18, 22, 30, .65);
  color: #fff;
  border: none;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 120ms ease;
}
.media-upload__remove:hover { background: var(--sam-red, #FF6D59); }