/* Grid hình cùng danh mục - hiển thị liền kề như tham khảo */
.vetranh-related-grid {
	margin: 2rem 0;
	padding: 1.5rem 0;
	border-top: 1px solid #eaeaea;
}
.vetranh-related-title {
	font-size: 1.25rem;
	margin-bottom: 1rem;
}
.vetranh-grid-inner {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1rem;
}
@media (max-width: 768px) {
	.vetranh-grid-inner {
		grid-template-columns: repeat(2, 1fr);
	}
}
.vetranh-grid-item {
	position: relative;
	overflow: hidden;
	border-radius: 8px;
	background: #f9f9f9;
	box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.vetranh-grid-item a {
	display: block;
	text-decoration: none;
	color: inherit;
}
.vetranh-grid-item img {
	width: 100%;
	height: auto;
	display: block;
	vertical-align: top;
}
.vetranh-item-title {
	display: block;
	padding: 0.5rem 0.75rem;
	font-size: 0.9rem;
	text-align: center;
}
.vetranh-no-img {
	display: block;
	min-height: 120px;
	padding: 1rem;
	text-align: center;
	color: #666;
}

/* ========== Tô màu online - Giao diện hiện đại ========== */
.vetranh-coloring-wrapper {
	--vetranh-accent: #10b981;
	--vetranh-accent-hover: #059669;
	--vetranh-accent-soft: rgba(16, 185, 129, 0.12);
	--vetranh-surface: #ffffff;
	--vetranh-surface-elevated: #ffffff;
	--vetranh-border: rgba(0, 0, 0, 0.06);
	--vetranh-text: #0f172a;
	--vetranh-text-muted: #64748b;
	--vetranh-radius: 14px;
	--vetranh-radius-sm: 10px;
	--vetranh-radius-pill: 999px;
	--vetranh-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
	--vetranh-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
	--vetranh-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 10px -5px rgba(0, 0, 0, 0.04);

	margin: 2.5rem 0;
	padding: 0;
	background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
	border-radius: 20px;
	overflow: hidden;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.vetranh-coloring-header {
	padding: 1.25rem 1.5rem 0.75rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 0.75rem;
}
.vetranh-coloring-title {
	font-size: 1.35rem;
	font-weight: 800;
	letter-spacing: -0.03em;
	color: var(--vetranh-text);
	margin: 0;
}
.vetranh-coloring-header .vetranh-hint {
	font-size: 0.8rem;
	color: var(--vetranh-text-muted);
	margin: 0;
	padding: 0.4rem 0.75rem;
	background: var(--vetranh-accent-soft);
	border-radius: var(--vetranh-radius-pill);
	border: 1px solid rgba(16, 185, 129, 0.2);
	max-width: 100%;
}

/* Bảng màu trên - thẻ nổi, bo góc lớn */
.vetranh-palettes-top {
	display: flex;
	flex-wrap: wrap;
	gap: 0.875rem;
	padding: 0 1.5rem 1.25rem;
	max-width: 1400px;
	margin: 0 auto;
}
.vetranh-palette-card {
	background: var(--vetranh-surface-elevated);
	border-radius: var(--vetranh-radius);
	box-shadow: var(--vetranh-shadow);
	border: 1px solid var(--vetranh-border);
	padding: 0.875rem 1rem;
	transition: box-shadow 0.25s ease, transform 0.2s ease;
}
.vetranh-palette-card:hover {
	box-shadow: var(--vetranh-shadow-lg);
	transform: translateY(-1px);
}
.vetranh-palette-card-head {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-bottom: 0.6rem;
}
.vetranh-palette-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	flex-shrink: 0;
	box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8);
}
.vetranh-palette-title {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	color: var(--vetranh-text);
	flex: 1;
	line-height: 1.3;
}
.vetranh-palette-toggle {
	width: 26px;
	height: 26px;
	border: none;
	background: #f1f5f9;
	color: var(--vetranh-text-muted);
	cursor: pointer;
	font-size: 1rem;
	line-height: 1;
	border-radius: 8px;
	transition: background 0.2s ease, color 0.2s ease;
}
.vetranh-palette-toggle:hover {
	background: #e2e8f0;
	color: var(--vetranh-text);
}
.vetranh-color-palette {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 0.4rem;
}
.vetranh-color {
	width: 100%;
	aspect-ratio: 1;
	max-width: 38px;
	max-height: 38px;
	border-radius: 10px;
	border: none;
	box-shadow: var(--vetranh-shadow-sm);
	cursor: pointer;
	padding: 0;
	transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.vetranh-color:hover {
	transform: scale(1.1);
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}
.vetranh-color.is-active {
	box-shadow: 0 0 0 3px var(--vetranh-accent);
	transform: scale(1.06);
}

/* Khung ảnh dưới - full width, nổi bật */
.vetranh-canvas-area {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 100%;
	padding: 0 1.5rem 1.25rem;
	max-width: 1400px;
	margin: 0 auto;
}
.vetranh-coloring-canvas-wrap {
	position: relative;
	width: 100%;
	max-width: 100%;
	padding: 28px;
	background: var(--vetranh-surface-elevated);
	border-radius: var(--vetranh-radius);
	box-shadow: var(--vetranh-shadow-lg);
	border: 1px solid var(--vetranh-border);
	min-height: 420px;
	box-sizing: border-box;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
}
.vetranh-coloring-inner {
	position: relative;
	background: #fff;
	border-radius: 12px;
	overflow: hidden;
	min-height: 320px;
	max-width: 100%;
	margin: 0 auto;
	display: block;
	border: 1px solid rgba(0, 0, 0, 0.08);
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
	flex-shrink: 0;
}
.vetranh-coloring-inner .vetranh-canvas-bg {
	display: block;
	width: 100%;
	height: auto;
	max-width: 100%;
	vertical-align: top;
	background: #fff;
	box-sizing: border-box;
	margin: 0 auto;
}
.vetranh-coloring-inner .vetranh-canvas-draw {
	position: absolute;
	left: 0;
	top: 0;
	z-index: 2;
	cursor: crosshair;
	pointer-events: auto;
	max-width: 100%;
	height: auto;
	box-sizing: border-box;
}
.vetranh-coloring-canvas-wrap canvas { max-width: 100%; height: auto; }
.vetranh-canvas-bg { z-index: 1; }
.vetranh-canvas-draw { z-index: 2; }
.vetranh-load-error {
	padding: 2rem;
	text-align: center;
	color: var(--vetranh-text-muted);
	margin: 0;
	font-size: 0.9rem;
}

/* Thanh công cụ dưới - nổi, bo góc lớn */
.vetranh-toolbar-bottom {
	padding: 0 1.5rem 1.25rem;
	max-width: 1400px;
	margin: 0 auto;
}
.vetranh-toolbar-inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem;
	background: var(--vetranh-surface-elevated);
	border-radius: var(--vetranh-radius);
	box-shadow: var(--vetranh-shadow);
	border: 1px solid var(--vetranh-border);
	padding: 0.875rem 1.25rem;
}
.vetranh-slider-label {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.8125rem;
	color: var(--vetranh-text);
}
.vetranh-slider-text { font-weight: 500; min-width: 3.5em; }
.vetranh-toolbar-inner input[type="range"].vetranh-brush-size {
	-webkit-appearance: none;
	appearance: none;
	width: 100px;
	height: 6px;
	background: var(--vetranh-border);
	border-radius: 3px;
	outline: none;
}
.vetranh-toolbar-inner input[type="range"].vetranh-brush-size::-webkit-slider-thumb {
	-webkit-appearance: none;
	width: 18px;
	height: 18px;
	background: var(--vetranh-accent);
	border-radius: 50%;
	cursor: pointer;
	box-shadow: 0 2px 6px rgba(16, 185, 129, 0.4);
	transition: transform 0.15s ease;
}
.vetranh-toolbar-inner input[type="range"].vetranh-brush-size::-webkit-slider-thumb:hover {
	transform: scale(1.1);
}
.vetranh-toolbar-inner input[type="range"].vetranh-brush-size::-moz-range-thumb {
	width: 18px;
	height: 18px;
	background: var(--vetranh-accent);
	border-radius: 50%;
	cursor: pointer;
	border: none;
	box-shadow: 0 2px 6px rgba(16, 185, 129, 0.4);
}
.vetranh-tool-buttons {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
}
.vetranh-btn-icon-tool {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border: 1px solid var(--vetranh-border);
	background: var(--vetranh-surface);
	color: #475569;
	border-radius: var(--vetranh-radius-sm);
	cursor: pointer;
	font-size: 1.1rem;
	line-height: 1;
	transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}
.vetranh-btn-icon-tool:hover {
	background: #f8fafc;
	border-color: #e2e8f0;
	color: var(--vetranh-text);
}
.vetranh-btn-icon-tool.is-active,
.vetranh-mode-fill.vetranh-btn-icon-tool.is-active {
	background: var(--vetranh-accent-soft);
	border-color: var(--vetranh-accent);
	color: var(--vetranh-accent);
	box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
}
.vetranh-zoom-group {
	display: inline-flex;
	border-radius: var(--vetranh-radius-sm);
	overflow: hidden;
	border: 1px solid var(--vetranh-border);
}
.vetranh-zoom-group .vetranh-btn-icon-tool {
	border-radius: 0;
	border-right: none;
}
.vetranh-zoom-group .vetranh-btn-icon-tool:last-child { border-right: 1px solid var(--vetranh-border); }
.vetranh-btn-download {
	padding: 0.5rem 1rem;
	font-size: 0.875rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	border-radius: var(--vetranh-radius-sm);
	border: none;
	background: var(--vetranh-accent);
	color: #fff;
	cursor: pointer;
	box-shadow: 0 2px 8px rgba(16, 185, 129, 0.35);
	transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}
.vetranh-btn-download:hover {
	background: var(--vetranh-accent-hover);
	transform: translateY(-1px);
	box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}
.vetranh-current-color-wrap {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin-left: auto;
	padding-left: 0.75rem;
	border-left: 1px solid var(--vetranh-border);
}
.vetranh-current-color-label {
	font-size: 0.8125rem;
	font-weight: 700;
	color: var(--vetranh-text-muted);
	letter-spacing: 0.02em;
}
.vetranh-current-color-swatch {
	width: 40px;
	height: 40px;
	border-radius: 12px;
	border: 2px solid var(--vetranh-border);
	box-shadow: var(--vetranh-shadow-sm);
	flex-shrink: 0;
	transition: box-shadow 0.2s ease;
}
.vetranh-current-color-swatch:hover {
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
	.vetranh-coloring-header { padding: 1rem; }
	.vetranh-palettes-top,
	.vetranh-canvas-area,
	.vetranh-toolbar-bottom { padding-left: 0.75rem; padding-right: 0.75rem; }
	.vetranh-coloring-canvas-wrap { padding: 12px; min-height: 320px; }
	.vetranh-coloring-inner { min-height: 280px; }
	.vetranh-color-palette { grid-template-columns: repeat(5, 1fr); }
	.vetranh-current-color-wrap { margin-left: 0; }
	.vetranh-toolbar-inner { padding: 0.6rem 0.75rem; gap: 0.75rem; }
	.vetranh-btn-icon-tool { width: 42px; height: 42px; }
}