/**
 * Masonry Grid — Deux modes d'affichage :
 * 1. Variable : CSS Grid avec tailles small/medium/large
 * 2. Uniform : CSS Columns masonry (comme Google Keep)
 */

/* ─── Container ──────────────────────────────────── */
.masonry-container {
  width: 100%;
  padding: 0 8px 40px 8px;
}

/* ═══════════════════════════════════════════════════
   MODE 1 : VARIABLE (CSS Grid avec tailles différentes)
   ═══════════════════════════════════════════════════ */

.masonry-css-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  grid-auto-rows: auto;
  gap: 12px;
  align-items: start;
  grid-auto-flow: dense;
}

.masonry-sortable-item[data-size="medium"] {
  grid-column: span 2;
}

.masonry-sortable-item[data-size="large"] {
  grid-column: span 3;
}

/* ═══════════════════════════════════════════════════
   MODE 2 : UNIFORM — CSS Columns masonry (Google Keep)
   ═══════════════════════════════════════════════════ */

.masonry-container[data-card-size-mode="uniform"] .masonry-css-grid {
  display: block;
  column-width: 240px;
  column-gap: 12px;
  orphans: 1;
  widows: 1;
}

.masonry-container[data-card-size-mode="uniform"] .masonry-sortable-item,
.masonry-container[data-card-size-mode="uniform"] .masonry-sortable-item[data-size="medium"],
.masonry-container[data-card-size-mode="uniform"] .masonry-sortable-item[data-size="large"] {
  break-inside: avoid;
  margin-bottom: 12px;
  display: inline-block;
  width: 100%;
  grid-column: unset;
}

/* ─── Sortable items ─────────────────────────────── */
.masonry-sortable-item {
  break-inside: avoid;
  box-sizing: border-box;
  will-change: transform;
  transition: opacity 0.15s ease-out;
}

/* ─── Note card base ─────────────────────────────── */
.note-card {
  width: 100% !important;
  min-width: 0;
  box-sizing: border-box;
}

/* ─── Drag overlay ───────────────────────────────── */
.masonry-drag-overlay {
  cursor: grabbing;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25), 0 8px 16px rgba(0, 0, 0, 0.15);
  border-radius: 12px;
  opacity: 0.95;
  pointer-events: none;
}

/* ─── Mobile (< 480px) ───────────────────────────── */
@media (max-width: 479px) {
  .masonry-css-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .masonry-sortable-item[data-size="medium"],
  .masonry-sortable-item[data-size="large"] {
    grid-column: span 1;
  }

  .masonry-container[data-card-size-mode="uniform"] .masonry-css-grid {
    column-width: 100%;
    column-gap: 10px;
  }

  .masonry-container {
    padding: 0 4px 16px 4px;
  }
}

/* ─── Small tablet (480–767px) ───────────────────── */
@media (min-width: 480px) and (max-width: 767px) {
  .masonry-css-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .masonry-sortable-item[data-size="large"] {
    grid-column: span 2;
  }

  .masonry-container {
    padding: 0 8px 20px 8px;
  }
}

/* ─── Tablet (768–1023px) ────────────────────────── */
@media (min-width: 768px) and (max-width: 1023px) {
  .masonry-css-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
  }
}

/* ─── Desktop (1024–1279px) ─────────────────────── */
@media (min-width: 1024px) and (max-width: 1279px) {
  .masonry-css-grid {
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 12px;
  }
}

/* ─── Large Desktop (1280px+) ───────────────────── */
@media (min-width: 1280px) {
  .masonry-css-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 14px;
  }

  .masonry-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 12px 32px 12px;
  }
}

/* ─── Print ──────────────────────────────────────── */
@media print {
  .masonry-sortable-item {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* ─── Reduced motion ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .masonry-sortable-item {
    transition: none;
  }
}
