/*
 * OMR Designer visual stabilization
 * ---------------------------------------------------------------------------
 * Loaded after the legacy inline styles. This file intentionally overrides
 * scattered older rules without changing the designer logic.
 */
:root {
	--edu-bg: #f5f7fb;
	--edu-surface: #ffffff;
	--edu-panel: #f8fafc;
	--edu-line: #d8e1ec;
	--edu-line-strong: #b8c7d9;
	--edu-text: #172033;
	--edu-muted: #64748b;
	--edu-primary: #1f5f99;
	--edu-primary-dark: #184b7a;
	--edu-primary-soft: #e8f1fa;
	--edu-accent: #b48a32;
}

html,
body {
	background: var(--edu-bg);
	color: var(--edu-text);
}

.app {
	align-items: start;
}

.stage-col,
.side-col,
.global-bar {
	background: var(--edu-surface) !important;
	border: 1px solid var(--edu-line) !important;
	box-shadow: 0 8px 24px rgba(23, 32, 51, .06);
}

.stage-col {
	min-width: 0;
	overflow: auto;
}

.side-col {
	min-width: 0;
}

.global-bar {
	background: #fbfcfe !important;
}

.ctrl,
.mini,
.opt-btn {
	background: var(--edu-panel) !important;
	border-color: var(--edu-line) !important;
	color: var(--edu-text);
}

.ctrl-label,
.mini > span,
.opt-btn span {
	color: var(--edu-muted) !important;
	font-weight: 500 !important;
}

.opt-btn {
	border-radius: 8px !important;
}

.opt-btn:hover {
	background: var(--edu-primary-soft) !important;
	border-color: #bfd4e8 !important;
}

.btn,
.file,
.seg button,
.seg-ui.small button,
.global-bar .inline-select select,
.input-stepped,
.select-like,
.input-like {
	border-color: var(--edu-line-strong) !important;
	color: var(--edu-text);
	font-weight: 500 !important;
}

.btn.primary,
.seg button.on,
.seg-ui.small button.active,
.switch input:checked + .track {
	background: var(--edu-primary) !important;
	border-color: var(--edu-primary) !important;
	color: #fff !important;
	font-weight: 500 !important;
}

.btn.primary:hover {
	background: var(--edu-primary-dark) !important;
	border-color: var(--edu-primary-dark) !important;
}

.swatch.is-active {
	outline-color: var(--edu-primary) !important;
}

/* Canvas frame: keep Fabric's internal sizing intact. */
#wrap {
	position: relative;
	display: inline-block;
	background: #fff !important;
	border: 1px solid #cbd7e4 !important;
	border-radius: 4px !important;
	padding: 0 !important;
	box-shadow: 0 2px 8px rgba(23, 32, 51, .08);
	transform-origin: top left;
	transform: scale(var(--paper-view-scale, 1));
}

#wrap.paper-actual {
	box-shadow: 0 14px 36px rgba(23, 32, 51, .16);
}

#wrap .canvas-container,
#wrap canvas {
	max-width: none !important;
}

#cv {
	display: block;
	background: #fff;
}

#wrap.grid-on::after {
	border-radius: 4px !important;
	background:
		linear-gradient(to right, rgba(31, 95, 153, .10) 1px, transparent 1px) 0 0 / 5px 5px,
		linear-gradient(to bottom, rgba(31, 95, 153, .10) 1px, transparent 1px) 0 0 / 5px 5px,
		linear-gradient(to right, rgba(31, 95, 153, .18) 1px, transparent 1px) 0 0 / 25px 25px,
		linear-gradient(to bottom, rgba(31, 95, 153, .18) 1px, transparent 1px) 0 0 / 25px 25px !important;
}

.paper-view-hint {
	background: var(--edu-primary-soft) !important;
	border-color: #c7daeb !important;
	color: var(--edu-primary-dark) !important;
	font-weight: 500 !important;
}

/* Option modal: bright, restrained, and predictable. */
.modal-backdrop {
	background: rgba(23, 32, 51, .24) !important;
}

.modal-backdrop .modal {
	background: var(--edu-surface) !important;
	border: 1px solid var(--edu-line) !important;
	border-radius: 8px !important;
	box-shadow: 0 18px 42px rgba(23, 32, 51, .20) !important;
	overflow: hidden !important;
}

.modal-backdrop .modal header {
	background: #f4f7fb !important;
	border-bottom: 1px solid var(--edu-line) !important;
	color: var(--edu-primary-dark) !important;
	font-size: 16px !important;
	font-weight: 500 !important;
}

.modal-backdrop .modal .content,
#modalBody,
#aeBody {
	background: #fff !important;
	color: var(--edu-text) !important;
}

.modal-backdrop .modal .actions {
	background: #fbfcfe !important;
	border-top: 1px solid var(--edu-line) !important;
}

#optModal {
	background: transparent !important;
}

#optModal .modal {
	width: min(620px, calc(100vw - 24px)) !important;
}

@media (max-width: 720px) {
	#wrap.paper-actual {
		--paper-view-scale: 1 !important;
		margin-right: 0 !important;
		margin-bottom: 0 !important;
	}
}

/* 답안카드 첫 화면 샘플 선택 */
.designer-starter {
	position: absolute;
	inset: 0;
	z-index: 40;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 42px;
	background: rgba(245, 249, 253, .90);
	backdrop-filter: blur(1px);
}

.designer-starter[hidden] {
	display: none !important;
}

.designer-starter__panel {
	width: min(680px, calc(100% - 40px));
	background: #fff;
	border: 1px solid var(--edu-line-strong);
	border-radius: 10px;
	box-shadow: 0 14px 34px rgba(23, 32, 51, .14);
	padding: 22px;
	font-size: 15px;
	font-weight: 400;
}

.designer-starter__head {
	display: flex;
	flex-direction: column;
	gap: 5px;
	margin-bottom: 16px;
}

.designer-starter__head strong {
	font-size: 20px;
	font-weight: 600;
	color: var(--edu-primary-dark);
}

.designer-starter__head span {
	font-size: 14px;
	font-weight: 400;
	color: var(--edu-muted);
}

.designer-starter__samples {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 10px;
}

.designer-sample-card {
	min-height: 88px;
	padding: 14px 13px;
	border: 1px solid var(--edu-line-strong);
	border-radius: 8px;
	background: #f8fbfe;
	color: var(--edu-text);
	text-align: left;
	cursor: pointer;
	font-size: 15px;
	font-weight: 400;
}

.designer-sample-card:hover,
.designer-sample-card:focus-visible {
	border-color: var(--edu-primary);
	background: var(--edu-primary-soft);
	outline: none;
}

.designer-sample-card strong,
.designer-sample-card span {
	display: block;
}

.designer-sample-card strong {
	margin-bottom: 6px;
	font-size: 15px;
	font-weight: 600;
	color: var(--edu-primary-dark);
}

.designer-sample-card span {
	font-size: 12px;
	font-weight: 400;
	line-height: 1.45;
	color: var(--edu-muted);
}

.designer-sample-card:disabled {
	cursor: wait;
	opacity: .58;
}

.designer-starter__actions {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-top: 16px;
	padding-top: 14px;
	border-top: 1px solid var(--edu-line);
}

.designer-starter__actions > span {
	flex: 1;
	font-size: 12px;
	font-weight: 400;
	line-height: 1.45;
	color: var(--edu-muted);
}

@media (max-width: 760px) {
	.designer-starter {
		padding: 18px;
	}

	.designer-starter__samples {
		grid-template-columns: 1fr;
	}

	.designer-starter__actions {
		align-items: flex-start;
		flex-direction: column;
	}
}