/* Variables + mode sombre */
:root {
  --ri-bg: transparent;
  --ri-surface: #1B2A3B;
  --ri-surface-hover: #203245;
  --ri-border: rgba(255,255,255,0.08);
  --ri-text: #E6EDF3;
  --ri-muted: #9FB2C8;
  --ri-accent: #3B82F6;
  --ri-radius: 8px;
}

.ri-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  background: var(--ri-bg);
  color: var(--ri-text);
  font-family: system-ui, -apple-system, sans-serif;
}

/* Shelves */
.ri-shelves {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.ri-shelf-title {
  font-size: 13px;
  color: var(--ri-muted);
  margin-bottom: 8px;
  font-weight: 500;
}
.ri-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ri-chip {
  padding: 6px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--ri-border);
  border-radius: 20px;
  color: var(--ri-text);
  font-size: 13px;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.ri-chip:hover {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.15);
}
.ri-chip-x {
  margin-left: 6px;
  opacity: 0.6;
  font-weight: bold;
}
.ri-chip.ri-clear {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}
.ri-chip.ri-clear:hover {
  background: #b91c1c;
}

/* Formulaire */
.ri-form {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ri-form input[type="text"] {
  width: 100%;
  padding: 14px 20px;
  background: var(--ri-surface);
  border: 1px solid var(--ri-border);
  border-radius: var(--ri-radius);
  color: var(--ri-text);
  font-size: 15px;
  transition: border-color .2s, box-shadow .2s;
}
.ri-form input[type="text"]:focus {
  outline: none;
  border-color: var(--ri-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.ri-filtres {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.ri-filtres select {
  padding: 10px 14px;
  background: var(--ri-surface);
  border: 1px solid var(--ri-border);
  border-radius: var(--ri-radius);
  color: var(--ri-text);
  font-size: 14px;
  cursor: pointer;
}
.ri-form button[type="submit"] {
  padding: 12px 24px;
  background: var(--ri-accent);
  border: none;
  border-radius: var(--ri-radius);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all .2s;
}
.ri-form button[type="submit"]:hover {
  background: #2563eb;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}
.ri-form button[type="submit"]:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Masonry optimisé */
.ri-masonry {
  column-count: 3;
  column-gap: 16px;
  margin-bottom: 25px;
}
.ri-item {
  break-inside: avoid;
  margin-bottom: 40px;
  background: var(--ri-surface);
  border: 1px solid var(--ri-border);
  border-radius: var(--ri-radius);
  overflow: hidden;
  transition: transform .2s, box-shadow .2s;
  cursor: pointer;
}


.ri-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.ri-link {
  display: block;
  position: relative;
  overflow: hidden;
}
.ri-link img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity .3s;
  will-change: opacity;
  content-visibility: auto;
}
.ri-link img[data-loading] {
  filter: blur(8px);
  opacity: 0.6;
}
.ri-item figcaption {
  padding: 10px;
  font-size: 12px;
  color: var(--ri-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.ri-item figcaption span {
  color: var(--ri-text);
  font-weight: 500;
}
.ri-item figcaption small {
  opacity: 0.7;
}

/* Bouton "Voir plus" */
.ri-btn {
  display: block;
  margin: 24px auto;
  padding: 12px 32px;
  background: var(--ri-surface);
  border: 1px solid var(--ri-border);
  border-radius: var(--ri-radius);
  color: var(--ri-text);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .2s;
  min-width: 140px;
}
.ri-btn:hover:not(:disabled) {
  background: var(--ri-accent);
  border-color: var(--ri-accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}
.ri-btn:active:not(:disabled) {
  transform: translateY(0);
}
.ri-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   LIGHTBOX 4K
======================================== */
/* ========================================
   LIGHTBOX 4K
======================================== */
.ri-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .3s;
  backdrop-filter: blur(10px);
}
.ri-lightbox.ri-active {
  display: flex;
  opacity: 1;
}

.ri-lightbox-content {
  position: relative;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: ri-zoom-in .3s ease;
}

@keyframes ri-zoom-in {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.ri-lightbox-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: 80vh;
  overflow: hidden;
  border-radius: 8px;
}

.ri-lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.ri-lightbox-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ri-spin 0.8s linear infinite;
}

@keyframes ri-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Toolbar */
.ri-lightbox-toolbar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 12px;
  background: rgba(27,42,59,0.95);
  border-radius: 8px;
  backdrop-filter: blur(10px);
}

.ri-lightbox-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--ri-accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  min-width: 180px;
}

.ri-lightbox-btn:hover {
  background: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.5);
}

.ri-lightbox-btn:active {
  transform: translateY(0);
}

.ri-lightbox-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

.ri-lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  background: rgba(0,0,0,0.7);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  z-index: 10;
}

.ri-lightbox-close:hover {
  background: #dc2626;
  border-color: #dc2626;
  transform: rotate(90deg) scale(1.1);
}

.ri-lightbox-info {
  text-align: center;
  color: #fff;
  font-size: 13px;
  opacity: 0.8;
}

/* Navigation arrows */
.ri-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(0,0,0,0.7);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  z-index: 10;
}

.ri-lightbox-nav:hover {
  background: var(--ri-accent);
  border-color: var(--ri-accent);
  transform: translateY(-50%) scale(1.1);
}

.ri-lightbox-prev {
  left: 20px;
}

.ri-lightbox-next {
  right: 20px;
}

/* Responsive */
@media (max-width: 900px) {
  .ri-masonry { column-count: 2; }
  .ri-filtres { grid-template-columns: 1fr; }
  
  .ri-lightbox-content {
    max-width: 100%;
    padding: 20px;
  }
  
  .ri-lightbox-toolbar {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  
  .ri-lightbox-btn {
    width: 100%;
    justify-content: center;
  }
  
  .ri-lightbox-close {
    top: 10px;
    right: 10px;
    width: 40px;
    height: 40px;
  }
  
  .ri-lightbox-nav {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 600px) {
  .ri-masonry { column-count: 1; }
  .ri-shelves { grid-template-columns: 1fr; }
  
  .ri-lightbox-img-wrap {
    max-height: 60vh;
  }
  
  .ri-lightbox-img {
    max-height: 60vh;
  }
  
  .ri-lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  .ri-lightbox-prev {
    left: 10px;
  }
  
  .ri-lightbox-next {
    right: 10px;
  }
  
  .ri-lightbox-btn {
    padding: 10px 16px;
    font-size: 13px;
    min-width: auto;
  }
  
  .ri-lightbox-btn svg {
    width: 18px;
    height: 18px;
  }
}


@media (max-width: 600px) {
  .ri-masonry { column-count: 1; }
  .ri-shelves { grid-template-columns: 1fr; }
  
  .ri-lightbox-img-wrap {
    max-height: 60vh;
  }
  
  .ri-lightbox-img {
    max-height: 60vh;
  }
  
  .ri-lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  
  .ri-lightbox-prev {
    left: 10px;
  }
  
  .ri-lightbox-next {
    right: 10px;
  }
}

/* Icones SVG inline */
.ri-icon-download {
  display: inline-block;
  width: 18px;
  height: 18px;
}

.ri-icon-link {
  display: inline-block;
  width: 18px;
  height: 18px;
}