/*
 * Розумний Нотатник — інструменти. Рамка «аркуш у клітинку з полем», спільні поля й кнопки, стилі кожного інструмента.
 */

.rzn-tool {
	position: relative;
	padding: 26px 28px 24px 48px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-lg);
	background-color: var(--rzn-surface);
	background-image:
		linear-gradient(90deg, transparent 30px, var(--rzn-margin-line) 30px, var(--rzn-margin-line) 31px, transparent 31px),
		linear-gradient(var(--rzn-grid) 1px, transparent 1px),
		linear-gradient(90deg, var(--rzn-grid) 1px, transparent 1px);
	background-size: 100% 100%, 22px 22px, 22px 22px;
	box-shadow: var(--rzn-shadow-sm);
	color: var(--rzn-ink);
}

.rzn-tool--inline {
	margin: 1.8em 0;
}

.rzn-tool--compact {
	padding: 4px 0 0;
	border: 0;
	background: none;
	box-shadow: none;
}

.rzn-tool--full {
	padding: 30px 32px 28px 52px;
	margin: 0 0 1.6em;
}

.rzn-tool__head {
	margin-bottom: 18px;
}

.rzn-tool__kicker {
	display: inline-block;
	font-size: 11.5px;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--rzn-margin-line);
}

.rzn-tool .rzn-tool__title {
	margin: 4px 0 6px;
	font-family: var(--rzn-font-display);
	font-size: 23px;
	line-height: 1.25;
	color: var(--rzn-ink);
}

.rzn-tool__sub {
	margin: 0;
	font-size: 15.5px;
	color: var(--rzn-ink-muted);
}

.rzn-tool__more {
	display: inline-flex;
	gap: 6px;
	margin-top: 16px;
	font-weight: 600;
	font-size: 15px;
	color: var(--rzn-accent);
	text-decoration: none;
}

.rzn-tool__more:hover {
	text-decoration: underline;
}

/* ---------- Спільні елементи ---------- */
.rzn-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
	min-width: 0;
}

.rzn-field__label {
	display: block;
	font-size: 14px;
	font-weight: 600;
	color: var(--rzn-ink-muted);
}

.rzn-input {
	width: 100%;
	min-height: 46px;
	padding: 10px 14px;
	border: 2px solid var(--rzn-line);
	border-radius: var(--rzn-r-sm);
	background: var(--rzn-surface);
	color: var(--rzn-ink);
	font: 500 17px/1.3 var(--rzn-font-body);
	transition: border-color 0.2s ease;
}

.rzn-input:focus {
	outline: none;
	border-color: var(--rzn-accent);
}

.rzn-input.is-invalid {
	border-color: var(--rzn-bad);
	background: var(--rzn-bad-soft);
}

.rzn-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	min-height: 46px;
	padding: 10px 18px;
	border: 2px solid var(--rzn-line);
	border-radius: var(--rzn-r-pill);
	background: var(--rzn-surface);
	color: var(--rzn-ink);
	font: 600 15px/1.2 var(--rzn-font-body);
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.1s ease;
}

.rzn-btn:hover {
	border-color: var(--rzn-accent);
}

.rzn-btn:active {
	transform: translateY(1px);
}

.rzn-btn--accent {
	border-color: var(--rzn-accent);
	background: var(--rzn-accent);
	color: var(--rzn-on-accent);
}

.rzn-btn--accent:hover {
	background: var(--rzn-accent-hover);
	border-color: var(--rzn-accent-hover);
}

.rzn-btn--small {
	min-height: 40px;
	padding: 6px 14px;
	font-size: 14px;
}

.rzn-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.rzn-chip {
	min-height: 40px;
	padding: 7px 14px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-pill);
	background: var(--rzn-surface);
	color: var(--rzn-ink);
	font: 500 15px/1.2 var(--rzn-font-body);
	cursor: pointer;
}

.rzn-chip:hover {
	border-color: var(--rzn-accent);
	color: var(--rzn-accent);
}

.rzn-chip.is-active {
	border-color: var(--rzn-accent);
	background: var(--rzn-accent);
	color: var(--rzn-on-accent);
}

.rzn-chip.is-ok {
	border-color: var(--rzn-ok);
	background: var(--rzn-ok-soft);
	color: var(--rzn-ok);
}

.rzn-chip.is-bad {
	border-color: var(--rzn-bad);
	background: var(--rzn-bad-soft);
	color: var(--rzn-bad);
}

.rzn-chip:disabled {
	cursor: default;
}

.rzn-check {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	min-height: 40px;
	font-size: 15px;
	cursor: pointer;
}

.rzn-check input {
	width: 20px;
	height: 20px;
	accent-color: var(--rzn-accent);
}

.rzn-note-small {
	margin: 14px 0 0;
	font-size: 13.5px;
	line-height: 1.5;
	color: var(--rzn-ink-faint);
}

.rzn-table-scroll {
	overflow-x: auto;
}

/* ---------- Разом / окремо ---------- */
.rzn-razom__bar {
	margin: 6px 0 12px;
}

.rzn-razom__result:empty {
	display: none;
}

.rzn-razom__result {
	margin-bottom: 14px;
}

.rzn-razom__card {
	padding: 16px 18px;
	margin-bottom: 10px;
	border-radius: var(--rzn-r-md);
	background: var(--rzn-ok-soft);
	border-left: 4px solid var(--rzn-ok);
}

.rzn-razom__card.is-surzhyk {
	background: var(--rzn-warn-soft);
	border-left-color: var(--rzn-marker);
}

.rzn-razom__word {
	margin: 0;
	font-family: var(--rzn-font-display);
	font-size: 24px;
	font-weight: 600;
	color: var(--rzn-ink);
}

.rzn-razom__type {
	margin: 4px 0 6px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--rzn-ok);
}

.rzn-razom__note {
	margin: 0;
	font-size: 15.5px;
}

.rzn-razom__link {
	display: inline-block;
	margin-top: 8px;
	font-weight: 600;
	color: var(--rzn-accent);
}

.rzn-razom__hint,
.rzn-razom__maybe {
	margin: 0 0 8px;
	font-size: 14px;
	color: var(--rzn-ink-faint);
}

.rzn-razom__none {
	margin: 0;
	color: var(--rzn-ink-muted);
}

.rzn-razom__all {
	margin-top: 22px;
}

.rzn-razom__group {
	margin-bottom: 10px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-md);
	background: var(--rzn-surface);
}

.rzn-razom__group > summary {
	cursor: pointer;
	padding: 12px 16px;
	font-weight: 600;
}

.rzn-razom__group .rzn-table {
	margin: 0;
	border-radius: 0;
	border-width: 1px 0 0;
}

.rzn-razom__count {
	margin-left: 6px;
	padding: 1px 8px;
	border-radius: var(--rzn-r-pill);
	background: var(--rzn-surface-alt);
	font-size: 13px;
	color: var(--rzn-ink-muted);
}

/* ---------- Таблиця множення ---------- */
.rzn-mult__nums {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 16px;
	margin: 0 0 16px;
	padding: 0;
	border: 0;
}

.rzn-mult__nums legend {
	width: 100%;
	margin-bottom: 6px;
	font-size: 14px;
	font-weight: 600;
	color: var(--rzn-ink-muted);
}

.rzn-mult__stage {
	margin-bottom: 16px;
}

.rzn-mult__progress {
	margin: 0 0 8px;
	font-size: 14px;
	color: var(--rzn-ink-faint);
}

.rzn-mult__q {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
}

.rzn-mult__expr {
	font-family: var(--rzn-font-display);
	font-size: 34px;
	font-weight: 600;
	color: var(--rzn-ink);
}

.rzn-mult__input {
	width: 110px;
	font-size: 28px;
	text-align: center;
}

.rzn-mult__feedback {
	min-height: 1.5em;
	margin: 10px 0 0;
	font-weight: 600;
}

.rzn-mult__feedback.is-ok,
.rzn-quiz__fb.is-ok {
	color: var(--rzn-ok);
}

.rzn-mult__feedback.is-bad,
.rzn-quiz__fb.is-bad {
	color: var(--rzn-bad);
}

.rzn-mult__score,
.rzn-quiz__score,
.rzn-read__score {
	margin: 0 0 6px;
	font-family: var(--rzn-font-display);
	font-size: 36px;
	font-weight: 700;
	color: var(--rzn-accent);
}

.rzn-read__score span {
	font-size: 16px;
	font-weight: 500;
	color: var(--rzn-ink-muted);
}

.rzn-mult__result {
	margin-bottom: 16px;
}

.rzn-mult__wrong {
	display: flex;
	flex-wrap: wrap;
	gap: 6px 18px;
	margin: 6px 0 0;
	padding: 0;
	list-style: none;
}

.rzn-mult__table {
	margin-top: 18px;
}

.rzn-mult__table > summary {
	cursor: pointer;
	font-weight: 600;
	color: var(--rzn-accent);
}

.rzn-table--pyth {
	margin-top: 12px;
	text-align: center;
	font-variant-numeric: tabular-nums;
}

.rzn-table--pyth th,
.rzn-table--pyth td {
	padding: 7px 4px;
	text-align: center;
	border: 1px solid var(--rzn-line);
}

.rzn-table--pyth th {
	background: var(--rzn-accent-soft);
	color: var(--rzn-accent);
	font-weight: 700;
}

/* ---------- Фонетика ---------- */
.rzn-fon__bar,
.rzn-school__bar {
	display: flex;
	gap: 10px;
	margin-top: 6px;
}

.rzn-fon__stresshint {
	margin: 12px 0 0;
	font-size: 14px;
	color: var(--rzn-ink-muted);
}

.rzn-fon__letters {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin: 14px 0;
}

.rzn-fon__letters:empty {
	display: none;
}

.rzn-fon__l {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	min-height: 44px;
	padding: 0 6px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-sm);
	background: var(--rzn-surface);
	font: 600 22px/1 var(--rzn-font-display);
	color: var(--rzn-ink);
}

.rzn-fon__l.is-v {
	cursor: pointer;
	border-color: var(--rzn-margin-line);
	color: var(--rzn-margin-line);
}

.rzn-fon__l.is-stress {
	background: var(--rzn-margin-line);
	color: var(--rzn-surface);
}

.rzn-fon__summary {
	margin: 14px 0 12px;
	font-size: 17px;
}

.rzn-fon__tr {
	font-family: var(--rzn-font-display);
	font-weight: 600;
	color: var(--rzn-accent);
	white-space: nowrap;
}

/* ---------- Графічний диктант ---------- */
.rzn-hd__pick {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 18px;
}

.rzn-hd__layout {
	display: grid;
	grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
	gap: 24px;
	align-items: start;
}

.rzn-hd__svg {
	display: block;
	width: 100%;
	height: auto;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-md);
	background: var(--rzn-surface);
	touch-action: manipulation;
}

.rzn-hd__grid line {
	stroke: var(--rzn-line);
	stroke-width: 1;
}

.rzn-hd__line {
	fill: none;
	stroke: var(--rzn-accent);
	stroke-width: 3.5;
	stroke-linecap: round;
	stroke-linejoin: round;
}

.rzn-hd__line.is-wrong {
	stroke: var(--rzn-bad);
}

.rzn-hd__target {
	fill: none;
	stroke: var(--rzn-ok);
	stroke-width: 2.5;
	stroke-dasharray: 6 5;
	opacity: 0.8;
}

.rzn-hd__dot {
	fill: var(--rzn-margin-line);
}

.rzn-hd__pen {
	fill: var(--rzn-surface);
	stroke: var(--rzn-accent);
	stroke-width: 2.5;
}

.rzn-hd__pad {
	display: grid;
	grid-template-columns: repeat(3, 52px);
	gap: 6px;
	justify-content: center;
	margin: 14px 0 10px;
}

.rzn-hd__dir {
	height: 52px;
	border: 2px solid var(--rzn-line);
	border-radius: var(--rzn-r-sm);
	background: var(--rzn-surface);
	color: var(--rzn-ink);
	font-size: 24px;
	cursor: pointer;
}

.rzn-hd__dir:hover {
	border-color: var(--rzn-accent);
	color: var(--rzn-accent);
}

.rzn-hd__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
}

.rzn-hd__status {
	min-height: 1.5em;
	margin: 10px 0 0;
	text-align: center;
	font-weight: 600;
}

.rzn-hd__start {
	margin: 0 0 10px;
	font-weight: 600;
}

.rzn-hd__list {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin: 0 0 14px;
	padding: 0;
	list-style: none;
	counter-reset: none;
}

.rzn-hd__list li {
	display: inline-flex;
	align-items: center;
	gap: 2px;
	padding: 6px 10px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-sm);
	background: var(--rzn-surface);
	font: 600 18px/1 var(--rzn-font-display);
}

.rzn-hd__list li.is-now {
	border-color: var(--rzn-accent);
	background: var(--rzn-accent);
	color: var(--rzn-on-accent);
}

.rzn-hd__print {
	margin-top: 18px;
}

/* ---------- Конкурсний бал ---------- */
.rzn-kb__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px 16px;
}

.rzn-kb__col-title {
	margin: 0;
	font-family: var(--rzn-font-display);
	font-size: 13px;
	font-weight: 600;
	color: var(--rzn-ink);
}

.rzn-kb__more {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px 16px;
	margin-top: 16px;
}

.rzn-kb__more > .rzn-field:first-child,
.rzn-kb__creative {
	grid-column: 1 / -1;
}

.rzn-kb__creative > summary {
	cursor: pointer;
	font-weight: 600;
	color: var(--rzn-accent);
}

.rzn-kb__creative .rzn-field {
	margin-top: 10px;
}

.rzn-kb__out {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	margin-top: 18px;
	padding: 14px 18px;
	border-radius: var(--rzn-r-md);
	background: var(--rzn-accent-soft);
}

.rzn-kb__label {
	font-weight: 600;
}

.rzn-kb__value {
	font-family: var(--rzn-font-display);
	font-size: 34px;
	font-weight: 700;
	color: var(--rzn-accent);
	font-variant-numeric: tabular-nums;
}

.rzn-tool--compact .rzn-kb__grid {
	gap: 8px 10px;
}

.rzn-tool--compact .rzn-input {
	min-height: 42px;
	padding: 8px 10px;
}

.rzn-tool--compact .rzn-kb__value {
	font-size: 26px;
}

/* ---------- Техніка читання ---------- */
.rzn-read__classes {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 14px;
}

.rzn-read__panel {
	padding: 16px 18px;
	border: 1px solid var(--rzn-line);
	border-radius: var(--rzn-r-md);
	background: var(--rzn-surface);
}

.rzn-read__top {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px;
	margin-bottom: 10px;
}

.rzn-read__timer {
	min-width: 84px;
	font-family: var(--rzn-font-display);
	font-size: 30px;
	font-weight: 700;
	color: var(--rzn-ink);
	font-variant-numeric: tabular-nums;
}

.is-running .rzn-read__timer {
	color: var(--rzn-margin-line);
}

.rzn-read__tip {
	margin: 0 0 12px;
	font-size: 14px;
	color: var(--rzn-ink-muted);
}

.rzn-tool .rzn-read__title {
	margin: 0 0 8px;
	font-size: 19px;
}

.rzn-read__text {
	margin: 0;
	font-size: 21px;
	line-height: 1.75;
	color: var(--rzn-ink);
}

.is-picking .rzn-read__w {
	cursor: pointer;
	border-radius: 4px;
}

.is-picking .rzn-read__w:hover {
	background: var(--rzn-marker);
}

.rzn-read__w.is-read {
	background: var(--rzn-ok-soft);
}

.rzn-read__result:not(:empty) {
	margin-top: 16px;
}

.rzn-read__norms {
	max-width: 420px;
	margin-top: 18px;
}

/* ---------- Коли до школи ---------- */
.rzn-school__out:not(:empty) {
	margin-top: 14px;
	padding: 14px 16px;
	border-radius: var(--rzn-r-md);
	background: var(--rzn-ok-soft);
}

.rzn-school__out p {
	margin: 0 0 8px;
}

.rzn-school__main {
	font-size: 17px;
}

.rzn-school .rzn-table {
	margin-top: 16px;
}

.rzn-tool--compact .rzn-school__bar {
	flex-direction: column;
}

/* ---------- Слово дня ---------- */
.rzn-word__pair {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 8px;
	margin: 0 0 8px;
	font-family: var(--rzn-font-display);
	font-size: 21px;
	font-weight: 600;
}

.rzn-word__bad {
	color: var(--rzn-bad);
	text-decoration: line-through;
	text-decoration-thickness: 2px;
}

.rzn-word__arrow {
	color: var(--rzn-ink-faint);
}

.rzn-word__good {
	color: var(--rzn-ok);
}

.rzn-word__ex {
	margin: 0 0 12px;
	font-size: 15.5px;
	font-style: italic;
	color: var(--rzn-ink-muted);
}

.rzn-word__foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 12px;
}

.rzn-word__link {
	font-size: 14px;
	font-weight: 600;
	color: var(--rzn-accent);
}

.rzn-word.is-flip .rzn-word__pair {
	animation: rzn-pop 0.35s ease;
}

@keyframes rzn-pop {
	from { opacity: 0; transform: translateY(6px); }
	to { opacity: 1; transform: none; }
}

/* ---------- Тест ---------- */
.rzn-quiz__progress {
	margin: 0 0 8px;
	font-size: 14px;
	color: var(--rzn-ink-faint);
}

.rzn-quiz__sentence {
	margin: 0 0 8px;
	font-size: 22px;
	line-height: 1.5;
	color: var(--rzn-ink);
}

.rzn-quiz__sentence b {
	padding: 0 4px;
	border-radius: 4px;
	background: var(--rzn-marker);
	color: var(--rzn-ink);
}

.rzn-quiz__ask {
	margin: 0 0 12px;
	font-size: 15px;
	color: var(--rzn-ink-muted);
}

.rzn-quiz__opts {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.rzn-quiz__fb {
	min-height: 1.5em;
	margin: 14px 0 10px;
	font-weight: 600;
}

/* ---------- Генератор прикладів ---------- */
.rzn-gen__opts {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 12px 16px;
	margin-bottom: 14px;
}

.rzn-gen__opts .rzn-field {
	width: 130px;
}

.rzn-gen__btns {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 18px;
}

.rzn-gen__list {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 12px 22px;
	margin: 0;
	padding-left: 1.6em;
	font: 600 20px/1.4 var(--rzn-font-display);
	font-variant-numeric: tabular-nums;
	color: var(--rzn-ink);
}

.rzn-gen__blank {
	display: inline-block;
	min-width: 44px;
	border-bottom: 2px solid var(--rzn-ink-faint);
	color: var(--rzn-accent);
	text-align: center;
}

/* ---------- Адаптив ---------- */
@media (max-width: 1024px) {
	.rzn-hd__layout {
		grid-template-columns: minmax(0, 1fr);
	}

	.rzn-gen__list {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}

@media (max-width: 768px) {
	.rzn-tool,
	.rzn-tool--full {
		padding: 22px 18px 20px 36px;
		background-image:
			linear-gradient(90deg, transparent 20px, var(--rzn-margin-line) 20px, var(--rzn-margin-line) 21px, transparent 21px),
			linear-gradient(var(--rzn-grid) 1px, transparent 1px),
			linear-gradient(90deg, var(--rzn-grid) 1px, transparent 1px);
	}

	.rzn-tool .rzn-tool__title {
		font-size: 20px;
	}

	.rzn-mult__expr {
		font-size: 28px;
	}

	.rzn-kb__value {
		font-size: 28px;
	}

	.rzn-gen__list {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 540px) {
	.rzn-tool,
	.rzn-tool--full {
		padding: 18px 14px 18px 30px;
	}

	.rzn-fon__bar,
	.rzn-school__bar {
		flex-direction: column;
	}

	.rzn-kb__grid,
	.rzn-kb__more {
		grid-template-columns: minmax(0, 1fr);
	}

	.rzn-kb__col-title:nth-child(2) {
		display: none;
	}

	.rzn-read__text,
	.rzn-quiz__sentence {
		font-size: 19px;
	}

	.rzn-gen__opts .rzn-field {
		width: calc(50% - 8px);
	}
}

@media print {
	body.rzn-print-gen * {
		visibility: hidden;
	}

	body.rzn-print-gen .rzn-gen__list,
	body.rzn-print-gen .rzn-gen__list * {
		visibility: visible;
	}

	body.rzn-print-gen .rzn-gen__list {
		position: absolute;
		inset: 0 auto auto 0;
		width: 100%;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		font-size: 22px;
	}
}