/* ═══════════════════════════════════════════
   Page: Brand Kit
   ═══════════════════════════════════════════ */

.kit-container {
  width: min(70%, 1100px);
  aspect-ratio: 1.6 / 1;
  margin: 0 auto;
  background: var(--kit-bg);
  border-radius: 24px;
  display: grid;
  grid-template-columns: 2fr 3fr;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(27, 18, 7, 0.35);
}

.kit-sidebar {
  background: var(--kit-sidebar-bg);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.tree {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}

.tree-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tree-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tree-toggle,
.tree-file {
  border: none;
  background: var(--kit-toggle-bg);
  color: var(--kit-text);
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: transform 0.2s ease, background 0.2s ease;
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tree-toggle:hover,
.tree-toggle.active {
  background: var(--kit-toggle-hover);
  transform: translateY(-1px);
}

.tree-file {
  background: var(--kit-file-bg);
  color: #2b1a07;
}

.tree-file:hover,
.tree-file.active {
  background: var(--kit-file-bg);
}

.tree-children {
  margin-left: 14px;
  display: none;
  flex-direction: column;
  gap: 6px;
}

.tree-children.open {
  display: flex;
}

.tree-arrow {
  width: 12px;
  display: inline-flex;
  justify-content: center;
  color: var(--kit-text);
  font-size: 12px;
}

.tree-download {
  border: none;
  background: var(--kit-download-bg);
  color: #2b1a07;
  padding: 8px 10px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-size: 12px;
}

.kit-preview {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.kit-preview h2 {
  margin: 0;
  color: var(--kit-text);
  font-size: 20px;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

.media-card {
  background: var(--kit-media-card-bg);
  border-radius: 16px;
  padding: 12px;
  color: var(--kit-text);
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 180px;
}

.media-thumb {
  background: rgba(0, 0, 0, 0.25);
  border-radius: 12px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.media-thumb img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.media-name {
  font-size: 12px;
  word-break: break-all;
}

.media-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--kit-download-bg);
  color: #2b1a07;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
}

/* Scrollbars */
.kit-sidebar,
.kit-preview {
  scrollbar-width: thin;
  scrollbar-color: #c5a334 rgba(255, 255, 255, 0.15);
}

.kit-sidebar::-webkit-scrollbar,
.kit-preview::-webkit-scrollbar {
  width: 10px;
}

.kit-sidebar::-webkit-scrollbar-track,
.kit-preview::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.kit-sidebar::-webkit-scrollbar-thumb,
.kit-preview::-webkit-scrollbar-thumb {
  background: #c5a334;
  border-radius: 999px;
  border: 2px solid rgba(74, 51, 25, 0.8);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.75);
  z-index: 10;
  padding: 24px;
}

.lightbox.open {
  display: flex;
}

.lightbox-content {
  background: #2b1a07;
  border-radius: 18px;
  padding: 20px;
  max-width: min(90vw, 900px);
  max-height: min(90vh, 720px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--kit-text);
}

.lightbox-content img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
  background-color: #ffffff;
  background-image:
    linear-gradient(45deg, #a3a3a3 25%, transparent 25%),
    linear-gradient(-45deg, #a3a3a3 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #a3a3a3 75%),
    linear-gradient(-45deg, transparent 75%, #a3a3a3 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}

.lightbox-close {
  align-self: flex-end;
  border: none;
  background: rgba(255, 255, 255, 0.2);
  color: var(--kit-text);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

.lightbox-download {
  align-self: flex-start;
  background: var(--kit-download-bg);
  color: #2b1a07;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
  .kit-container {
    width: min(100%, 900px);
  }
}

@media (max-width: 900px) {
  .kit-container {
    grid-template-columns: 1fr;
    aspect-ratio: auto;
  }

  .kit-sidebar {
    max-height: 240px;
  }
}

@media (max-width: 640px) {
  .media-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}