/* =========================
   ITEM DETAIL OVERLAY
   ========================= */

#itemOverlay {
  position: fixed;
  inset: 0;
  z-index: 2000;

  background: rgba(0, 0, 0, 0.85);

  display: flex;
  align-items: flex-end; /* mobile bottom sheet */
  justify-content: center;
}

#itemOverlay.hidden {
  display: none;
}

/* Card container */
.item-overlay-card {
  width: 100%;
  max-width: 720px;
  height: 92dvh;

  background: var(--color-bg-alt);
  border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;

  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
.item-overlay-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

/* Media */
.item-overlay-media {
  width: 100%;
  height: clamp(240px, 40vh, 420px);

  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;

  overflow: hidden;   /* ADD THIS */
  position: relative; /* ADD THIS */
}

#overlayImage {
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  touch-action: pan-y;
  cursor: zoom-in;
}

/* Thumbnail row */
.item-image-thumbs {
  display: flex;
  gap: 10px;
  padding: 10px var(--spacing-md);
  overflow-x: auto;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.item-image-thumbs img {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  opacity: 0.6;
  cursor: pointer;
  border: 1px solid transparent;
  flex: 0 0 auto;
}

.item-image-thumbs img.active {
  opacity: 1;
  border-color: var(--color-accent);
}

/* Content */
.item-overlay-content {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}

#overlayTitle {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  color: var(--color-text);
}

#overlayPrice {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: var(--font-weight-bold);
  line-height: 1.15;
  color: var(--color-text);
}

#overlaySeller {
  margin: 0;
  font-size: 14px;
  line-height: 1.35;
  color: var(--color-text-muted);
}

#overlayDescription {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.item-condition {
  font-size: var(--font-size-sm);
  opacity: var(--opacity-muted);
}

/* Actions */
.item-overlay-actions {
  padding: 12px var(--spacing-md) calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  backdrop-filter: blur(6px);
}

.overlay-actions-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  align-items: center;
}

.overlay-contact-row {
  display: flex;
}

.overlay-contact-row .overlay-action-btn--primary {
  margin-top: 12px;
  width: 100%;
  height: 48px;
  border-radius: 14px;
}

.overlay-actions-row > #overlayShareBtn { order: 1; }
.overlay-actions-row > #overlayFavBtn { order: 2; }
.overlay-actions-row > #overlayEditBtn { order: 3; }
.overlay-actions-row > #overlayDeleteBtn { order: 4; }

.overlay-status-row {
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.overlay-status-row[hidden],
.overlay-action-btn[hidden] {
  display: none !important;
}

.overlay-action-btn {
  height: 42px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.overlay-action-btn:hover:not(:disabled) {
  border-color: var(--color-border-alt);
}

.overlay-action-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.overlay-action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.overlay-action-btn--primary {
  flex: 1 1 auto;
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.overlay-action-btn--icon,
.overlay-action-btn--icon-danger {
  width: 42px;
  min-width: 42px;
  padding: 0;
  flex: 0 0 42px;
}

.overlay-action-btn--icon-danger {
  border-color: rgba(239, 68, 68, 0.35);
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
}

html[data-theme="dark"] .overlay-action-btn--icon-danger {
  color: #fca5a5;
  border-color: rgba(248, 113, 113, 0.45);
  background: rgba(127, 29, 29, 0.28);
}

.overlay-action-btn--status {
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  gap: 6px;
  flex: 0 0 auto;
}

.overlay-action-btn--icon-only .overlay-action-label {
  display: none;
}

.overlay-action-btn--status.is-active {
  border-color: rgba(37, 99, 235, 0.45);
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

html[data-theme="dark"] .overlay-action-btn--status.is-active {
  border-color: rgba(96, 165, 250, 0.55);
  color: #93c5fd;
  background: rgba(37, 99, 235, 0.2);
}

.overlay-action-btn--icon.is-active {
  border-color: var(--color-favorite-border);
  color: var(--color-favorite);
  background: var(--color-favorite-soft);
}

.overlay-action-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 16px;
}

.overlay-action-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}

.overlay-action-label {
  white-space: nowrap;
}

@media (max-width: 560px) {
  .overlay-action-btn--primary {
    flex: 1 1 auto;
    min-width: 0;
    padding: 0 10px;
    font-size: 13px;
  }

  .overlay-action-btn--icon,
  .overlay-action-btn--icon-danger {
    width: 40px;
    min-width: 40px;
    flex: 0 0 40px;
  }
}

/* Lock background when open */
body.modal-open {
  position: fixed;
  inset: 0;
  width: 100%;
  overflow: hidden;
}

/* Desktop behavior */
@media (min-width: 768px) {
  #itemOverlay {
    align-items: center;
  }

  .item-overlay-card {
    height: auto;
    max-height: 90vh;
    border-radius: var(--border-radius-xl);
  }
}