/* Front-end */
.houyukai-doc-cards {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 24px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.houyukai-doc-card {
	display: block;
	background: #f5f2ee;
	border-radius: 16px;
	padding: 20px;
	color: inherit;
	text-decoration: none;
	transition: transform 0.15s ease;
	/*box-shadow: 0 4px 14px rgba(196, 190, 180, 0.35);*/
}

@media (max-width: 768px) {
	.houyukai-doc-cards {
		grid-template-columns: repeat(2, 1fr);
		gap: 20px 10px;
	}
	.houyukai-doc-card {
		padding: 10px;
	}
}

a.houyukai-doc-card:hover {
	transform: translateY(-2px);
}

.houyukai-doc-card-thumb {
	aspect-ratio: 3 / 4;
	display: flex;
	align-items: center;
	justify-content: center;
	overflow: hidden;
	margin-bottom: 20px;
	background: #fff;
	border-radius: 10px;
	
}

.houyukai-doc-card-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	border-radius: 10px;
}

.houyukai-doc-card-thumb--empty {
	color: #b9bcbb;
	font-size: 1.1rem;
	font-style: italic;
	text-align: center;
	letter-spacing: 0.05em;
}

.houyukai-doc-card-btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	background: var(--wp--preset--color--accent);
	border: none;
	border-radius: 999px;
	padding: 12px 20px;
	font-weight: 600;
	font-size: 1rem;
	color: var(--wp--preset--color--ink) !important;
	text-decoration: none;
	box-sizing: border-box;
}

.houyukai-doc-card-btn-icon {
	flex: 0 0 auto;
	width: 1.3em;
	height: 1.3em;
	background: url(../../assets/images/icon_pdf_brown.svg) no-repeat center / contain;
}

.houyukai-doc-card-btn--disabled {
	justify-content: center;
	background: #fff;
	color: #b9bcbb;
	cursor: not-allowed;
}

/* Editor */
.houyukai-doc-cards-editor-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 16px;
	margin-bottom: 16px;
}

.houyukai-doc-cards-editor-item {
	border: 1px solid #ddd;
	border-radius: 4px;
	padding: 12px;
	background: #fff;
	transition: opacity 0.15s ease;
}

.houyukai-doc-cards-editor-item.is-dragging {
	opacity: 0.4;
}

.houyukai-doc-cards-editor-item.is-drop-target {
	outline: 2px dashed #4c9a5d;
	outline-offset: 2px;
}

.houyukai-doc-cards-editor-item-handle {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 4px;
	margin-bottom: 8px;
	padding: 4px 0;
	font-size: 12px;
	color: #555;
	background: #f0f0f0;
	border-radius: 3px;
	cursor: grab;
	-webkit-user-select: none;
	user-select: none;
	touch-action: none;
}

.houyukai-doc-cards-editor-item-handle:active {
	cursor: grabbing;
}

.houyukai-doc-cards-editor-item-thumb {
	display: block;
	width: 100%;
	aspect-ratio: 3 / 4;
	margin-bottom: 8px;
	padding: 0;
	border: 1px dashed #999;
	background: #f0f0f0;
	cursor: pointer;
	overflow: hidden;
}

.houyukai-doc-cards-editor-item-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.houyukai-doc-cards-editor-item-file {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
	margin: 8px 0;
}

.houyukai-doc-cards-editor-item-filename {
	font-size: 12px;
	color: #555;
	word-break: break-all;
}

.houyukai-doc-cards-editor-add {
	justify-content: center;
}