.doska {
	--dsk-ink: #1e2231;
	--dsk-mute: #5d6477;
	--dsk-panel: #f7f8fa;
	--dsk-line: #d9dce3;
	--dsk-hover: #e9ecf2;
	--dsk-accent: var(--doska-accent, #b8862b);
	position: relative;
	margin: 1.5em 0;
	border: 1px solid var(--dsk-line);
	border-radius: 10px;
	background: var(--dsk-panel);
	color: var(--dsk-ink);
	font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
	-webkit-user-select: none;
	user-select: none;
	outline: none;
	overflow: clip;
}
.doska *, .doska *::before, .doska *::after { box-sizing: border-box; }
.doska:focus-visible { box-shadow: 0 0 0 2px var(--dsk-accent); }
.doska [hidden] { display: none !important; }

/* Раскладка: панель сбоку (слева или справа), доска рядом */
.doska .dsk-body { display: flex; align-items: flex-start; }
.doska.dsk-right .dsk-body { flex-direction: row-reverse; }
.doska .dsk-side {
	flex: 0 0 236px;
	width: 236px;
	position: sticky;
	top: var(--dsk-top, 16px);
	max-height: calc(100vh - var(--dsk-top, 16px) - 16px);
	overflow-y: auto;
	padding: 10px;
	background: #fff;
	border-right: 1px solid var(--dsk-line);
	scrollbar-width: thin;
}
.doska.dsk-right .dsk-side { border-right: 0; border-left: 1px solid var(--dsk-line); }
.doska .dsk-main { flex: 1 1 auto; min-width: 0; }

/* Кнопки */
.doska .dsk-group {
	display: flex;
	flex-wrap: wrap;
	gap: 2px;
	padding-bottom: 8px;
	margin-bottom: 8px;
	border-bottom: 1px solid var(--dsk-line);
}
.doska .dsk-btn {
	appearance: none;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	margin: 0;
	padding: 0;
	border: 0;
	border-radius: 8px;
	background: transparent;
	color: var(--dsk-ink);
	cursor: pointer;
	touch-action: manipulation;
}
.doska .dsk-btn:hover { background: var(--dsk-hover); }
.doska .dsk-btn:focus-visible { outline: 2px solid var(--dsk-accent); outline-offset: -2px; }
.doska .dsk-btn[disabled] { opacity: .32; cursor: default; background: transparent; }
.doska .dsk-btn.is-on { background: var(--dsk-accent); color: #fff; }
.doska .dsk-btn svg {
	width: 20px;
	height: 20px;
	fill: none;
	stroke: currentColor;
	stroke-width: 1.8;
	stroke-linecap: round;
	stroke-linejoin: round;
	pointer-events: none;
}

/* Настройки */
.doska .dsk-opts { display: flex; flex-direction: column; gap: 10px; color: var(--dsk-mute); }
.doska .dsk-swatches { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.doska .dsk-sw {
	appearance: none;
	width: 22px;
	height: 22px;
	margin: 0;
	padding: 0;
	border: 1px solid rgba(30, 34, 49, .28);
	border-radius: 50%;
	background: var(--c);
	cursor: pointer;
}
.doska .dsk-sw.is-on { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--dsk-ink); }
.doska input[type="color"] {
	width: 30px;
	height: 28px;
	padding: 0;
	border: 1px solid var(--dsk-line);
	border-radius: 6px;
	background: #fff;
	cursor: pointer;
}
.doska .dsk-field { display: flex; flex-direction: column; align-items: stretch; gap: 3px; }
.doska .dsk-field input[type="range"] { width: 100%; margin: 0; accent-color: var(--dsk-accent); }
.doska select, .doska .dsk-num {
	height: 32px;
	width: 100%;
	border: 1px solid var(--dsk-line);
	border-radius: 6px;
	background: #fff;
	color: var(--dsk-ink);
	font: inherit;
}
.doska .dsk-num { width: 72px; padding: 0 6px; }
.doska .dsk-sec {
	display: flex;
	flex-direction: column;
	gap: 8px;
	padding-top: 10px;
	border-top: 1px solid var(--dsk-line);
}
.doska .dsk-lab { color: var(--dsk-mute); }
.doska .dsk-row { display: flex; align-items: center; gap: 8px; }
.doska .dsk-small, .doska .dsk-wide {
	appearance: none;
	height: 32px;
	padding: 0 10px;
	border: 1px solid var(--dsk-line);
	border-radius: 6px;
	background: var(--dsk-panel);
	color: var(--dsk-ink);
	font: inherit;
	cursor: pointer;
}
.doska .dsk-wide { width: 100%; }
.doska .dsk-small:hover, .doska .dsk-wide:hover { background: var(--dsk-hover); }
.doska .dsk-small:focus-visible, .doska .dsk-wide:focus-visible { outline: 2px solid var(--dsk-accent); }
.doska .dsk-chip {
	display: inline-flex;
	align-items: center;
	justify-content: space-between;
	gap: 6px;
	padding: 2px 4px 2px 10px;
	border: 1px solid var(--dsk-line);
	border-radius: 999px;
	background: #fff;
	color: var(--dsk-ink);
}
.doska .dsk-chip button {
	appearance: none;
	width: 22px;
	height: 22px;
	padding: 0;
	border: 0;
	border-radius: 50%;
	background: var(--dsk-hover);
	color: var(--dsk-ink);
	cursor: pointer;
	line-height: 1;
}

/* Полка: иконки, рамки, стрелки, фигуры */
.doska .dsk-shelf { margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px solid var(--dsk-line); }
.doska .dsk-shelf-head { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.doska .dsk-shelf-head select { flex: 1 1 auto; min-width: 0; }
.doska .dsk-shelf-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 5px;
	max-height: 260px;
	overflow: auto;
}
.doska .dsk-tile {
	appearance: none;
	aspect-ratio: 1 / 1;
	margin: 0;
	padding: 4px;
	border: 1px solid var(--dsk-line);
	border-radius: 8px;
	background: #fff;
	cursor: pointer;
}
.doska .dsk-tile:hover { border-color: var(--dsk-accent); }
.doska .dsk-tile.is-on { border-color: var(--dsk-accent); box-shadow: inset 0 0 0 1px var(--dsk-accent); }
.doska .dsk-tile:focus-visible { outline: 2px solid var(--dsk-accent); }
.doska .dsk-tile img { width: 100%; height: 100%; object-fit: contain; display: block; pointer-events: none; }
.doska .dsk-tile-frame { aspect-ratio: 4 / 3; padding: 3px; }

/* Доска */
.doska .dsk-wrap {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: flex-start;
	padding: 10px;
	background: #eceef3;
}
.doska .dsk-stage {
	flex: none;
	border: 1px solid var(--dsk-line);
	background: #fff;
	touch-action: none;
	line-height: 0;
}
.doska .dsk-edit {
	position: absolute;
	z-index: 3;
	margin: 0;
	border: 1px dashed var(--dsk-accent);
	background: rgba(255, 255, 255, .85);
	outline: none;
	resize: none;
	overflow: hidden;
	white-space: pre-wrap;
	-webkit-user-select: text;
	user-select: text;
}
.doska .dsk-hint {
	min-height: 34px;
	padding: 8px 12px;
	border-top: 1px solid var(--dsk-line);
	color: var(--dsk-mute);
	font-size: 13px;
}
.doska .dsk-hint.is-alert { color: #a3321f; }

/* На весь экран */
.doska.dsk-full {
	position: fixed;
	inset: 0;
	z-index: 99999;
	margin: 0;
	border: 0;
	border-radius: 0;
	display: flex;
	flex-direction: column;
	background: var(--dsk-panel);
}
.doska.dsk-full .dsk-body { flex: 1 1 auto; min-height: 0; align-items: stretch; }
.doska.dsk-full .dsk-side { position: static; max-height: none; }
.doska.dsk-full .dsk-main { display: flex; flex-direction: column; min-height: 0; }
.doska.dsk-full .dsk-wrap { flex: 1 1 auto; min-height: 0; align-items: center; }
html.dsk-lock, html.dsk-lock body { overflow: hidden; }

/* Узкие экраны: панель над доской, без залипания (для удобства есть режим «На весь экран») */
@media (max-width: 820px) {
	.doska .dsk-body, .doska.dsk-right .dsk-body { flex-direction: column; align-items: stretch; }
	.doska .dsk-side, .doska.dsk-right .dsk-side {
		flex: none;
		width: auto;
		position: static;
		max-height: none;
		border: 0;
		border-bottom: 1px solid var(--dsk-line);
	}
	.doska .dsk-btn { width: 40px; height: 40px; }
	.doska .dsk-opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); align-items: start; }
	.doska .dsk-opts .dsk-swatches, .doska .dsk-opts .dsk-sec { grid-column: 1 / -1; }
	.doska.dsk-full .dsk-side { max-height: 42vh; overflow-y: auto; }
}
@media (prefers-reduced-motion: no-preference) {
	.doska .dsk-btn, .doska .dsk-tile { transition: background-color .12s, border-color .12s; }
}