/*
 * SLIDES Student Portal
 * Inherits the theme's fonts. Colors borrow from road signage:
 * guide-sign green for passing, warning yellow for "not yet", stop red for mistakes.
 */

.slides-sp {
	--sp-accent: #1f4e8c;
	--sp-ink: #23282d;
	--sp-muted: #5b6570;
	--sp-line: #d6dbe0;
	--sp-surface: #f3f5f6;
	--sp-go: #0b6e4f;
	--sp-go-tint: #e5f2ec;
	--sp-caution: #f5c400;
	--sp-stop: #b3261e;
	--sp-stop-tint: #fbeae8;
	--sp-radius: 6px;
	--sp-sticky-top: 0px;

	color: var(--sp-ink);
	font-family: inherit;
	font-size: 1rem;
	line-height: 1.55;
	max-width: 52rem;
	margin: 0 auto;
	text-align: left;
}

.slides-sp *,
.slides-sp *::before,
.slides-sp *::after {
	box-sizing: border-box;
}

.slides-sp h2,
.slides-sp h3,
.slides-sp p,
.slides-sp ol,
.slides-sp ul,
.slides-sp dl {
	margin-top: 0;
}

.slides-sp a {
	color: var(--sp-accent);
}

.slides-sp :focus-visible {
	outline: 3px solid var(--sp-accent);
	outline-offset: 2px;
}

.slides-sp .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

/* ---------- Type ---------- */

.slides-sp .slides-sp-title {
	font-size: 1.75rem;
	line-height: 1.2;
	font-weight: 700;
	margin: 0 0 1rem;
	color: var(--sp-ink);
}

.slides-sp .slides-sp-subtitle {
	font-size: 1.15rem;
	font-weight: 700;
	margin: 2rem 0 0.75rem;
}

.slides-sp .slides-sp-kicker,
.slides-sp .slides-sp-facts {
	color: var(--sp-muted);
	margin-bottom: 0.35rem;
}

.slides-sp .slides-sp-facts {
	margin-bottom: 1.25rem;
}

/* ---------- Buttons & links ---------- */

.slides-sp .slides-sp-button {
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	padding: 0.7em 1.3em;
	border: 2px solid var(--sp-accent);
	border-radius: var(--sp-radius);
	background: var(--sp-accent);
	color: #fff;
	font: inherit;
	font-weight: 600;
	line-height: 1.2;
	text-decoration: none;
	cursor: pointer;
	white-space: nowrap;
}

.slides-sp .slides-sp-button:hover {
	filter: brightness(1.12);
	color: #fff;
}

.slides-sp .slides-sp-button--quiet {
	background: transparent;
	color: var(--sp-accent);
}

.slides-sp .slides-sp-button--quiet:hover {
	background: var(--sp-accent);
	color: #fff;
	filter: none;
}

.slides-sp .slides-sp-button small {
	font-weight: 400;
	opacity: 0.85;
}

.slides-sp .slides-sp-button[disabled] {
	opacity: 0.6;
	cursor: progress;
}

.slides-sp .slides-sp-link,
.slides-sp .slides-sp-link-button {
	color: var(--sp-accent);
	font: inherit;
	text-decoration: underline;
	text-underline-offset: 0.2em;
	background: none;
	border: 0;
	padding: 0;
	cursor: pointer;
}

.slides-sp .slides-sp-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1.25rem;
	margin: 1.5rem 0;
}

.slides-sp .slides-sp-back {
	margin-bottom: 1rem;
}

/* ---------- Alerts & empty states ---------- */

.slides-sp .slides-sp-alert {
	border-left: 4px solid var(--sp-accent);
	background: var(--sp-surface);
	padding: 0.75rem 1rem;
	margin: 0 0 1.25rem;
	border-radius: 0 var(--sp-radius) var(--sp-radius) 0;
}

.slides-sp .slides-sp-alert p {
	margin: 0;
}

.slides-sp .slides-sp-alert p + p {
	margin-top: 0.35rem;
}

.slides-sp .slides-sp-alert--success {
	border-color: var(--sp-go);
	background: var(--sp-go-tint);
}

.slides-sp .slides-sp-alert--error {
	border-color: var(--sp-stop);
	background: var(--sp-stop-tint);
}

.slides-sp .slides-sp-empty {
	padding: 1.5rem;
	border: 1px dashed var(--sp-line);
	border-radius: var(--sp-radius);
	color: var(--sp-muted);
}

.slides-sp .slides-sp-empty h2 {
	color: var(--sp-ink);
	font-size: 1.3rem;
}

/* ---------- Forms ---------- */

.slides-sp .slides-sp-field {
	margin: 0 0 1rem;
}

.slides-sp .slides-sp-field label {
	display: block;
	font-weight: 600;
	margin-bottom: 0.3rem;
}

.slides-sp .slides-sp-field small {
	display: block;
	color: var(--sp-muted);
	margin-top: 0.25rem;
}

.slides-sp input[type="email"],
.slides-sp input[type="password"],
.slides-sp input[type="text"] {
	width: 100%;
	padding: 0.7em 0.8em;
	border: 1px solid #9aa4ad;
	border-radius: var(--sp-radius);
	background: #fff;
	color: var(--sp-ink);
	font: inherit;
	line-height: 1.3;
}

.slides-sp input[type="email"]:focus,
.slides-sp input[type="password"]:focus,
.slides-sp input[type="text"]:focus {
	border-color: var(--sp-accent);
	outline: 2px solid var(--sp-accent);
	outline-offset: 0;
}

.slides-sp .slides-sp-field--check label,
.slides-sp label.slides-sp-field--check {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-weight: 400;
	cursor: pointer;
}

.slides-sp .slides-sp-password {
	display: flex;
	gap: 0.5rem;
}

.slides-sp .slides-sp-toggle-pw {
	flex: none;
	padding: 0 1rem;
	border: 1px solid #9aa4ad;
	border-radius: var(--sp-radius);
	background: #fff;
	color: var(--sp-ink);
	font: inherit;
	cursor: pointer;
}

/* ---------- Sign-in ---------- */

.slides-sp .slides-sp--login-only {
	max-width: 26rem;
	margin: 0 auto;
}

.slides-sp.slides-sp--login-only {
	max-width: 26rem;
}

.slides-sp .slides-sp-login {
	padding: 1.75rem;
	border: 1px solid var(--sp-line);
	border-top: 6px solid var(--sp-accent);
	border-radius: var(--sp-radius);
	background: #fff;
}

.slides-sp .slides-sp-login__title {
	font-size: 1.5rem;
	margin-bottom: 0.35rem;
}

.slides-sp .slides-sp-login__intro,
.slides-sp .slides-sp-login__help {
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-login__help {
	margin: 0;
	padding-top: 1rem;
	border-top: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-login .slides-sp-actions {
	margin: 1.25rem 0;
}

/* ---------- Header & navigation ---------- */

.slides-sp .slides-sp-header {
	margin-bottom: 1.75rem;
	border-bottom: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-header__user {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 0.5rem 1rem;
	margin-bottom: 0.75rem;
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 0 0.25rem;
	margin-bottom: -1px; /* The active tab's underline sits on the header rule. */
}

.slides-sp .slides-sp-nav__item {
	flex: none;
	padding: 0.6rem 0.75rem;
	border-bottom: 3px solid transparent;
	color: var(--sp-muted);
	font-weight: 600;
	text-decoration: none;
	white-space: nowrap;
}

.slides-sp .slides-sp-nav__item:hover {
	color: var(--sp-ink);
}

.slides-sp .slides-sp-nav__item.is-active {
	color: var(--sp-ink);
	border-bottom-color: var(--sp-accent);
}

/* ---------- Overview ---------- */

.slides-sp .slides-sp-next {
	padding: 1.5rem;
	margin-bottom: 1.5rem;
	border-radius: var(--sp-radius);
	background: var(--sp-surface);
}

.slides-sp .slides-sp-next p {
	margin-bottom: 0.25rem;
	color: var(--sp-muted);
}

.slides-sp .slides-sp-next h3 {
	font-size: 1.35rem;
	margin-bottom: 1rem;
}

.slides-sp .slides-sp-progress-summary {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
	gap: 1rem 2rem;
	margin-bottom: 1rem;
}

.slides-sp .slides-sp-progress-summary dt {
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-progress-summary dd {
	margin: 0.15rem 0 0;
	font-size: 1.3rem;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-meter {
	display: block;
	height: 8px;
	margin-top: 0.4rem;
	border-radius: 4px;
	background: var(--sp-line);
	overflow: hidden;
}

.slides-sp .slides-sp-meter > span {
	display: block;
	height: 100%;
	background: var(--sp-go);
	border-radius: 4px;
	transition: width 0.25s ease;
}

/* ---------- Lessons: a numbered route ---------- */

.slides-sp .slides-sp-route {
	list-style: none;
	margin: 0;
	padding: 0;
}

.slides-sp .slides-sp-route__stop {
	position: relative;
	display: grid;
	grid-template-columns: 2.5rem 1fr;
	gap: 1rem;
	padding-bottom: 1.5rem;
	margin: 0;
}

.slides-sp .slides-sp-route__stop:not(:last-child)::before {
	content: "";
	position: absolute;
	left: calc(1.25rem - 1px);
	top: 2.5rem;
	bottom: 0;
	border-left: 2px dashed var(--sp-line);
}

.slides-sp .slides-sp-route__stop.is-done:not(:last-child)::before {
	border-left-style: solid;
	border-left-color: var(--sp-go);
}

.slides-sp .slides-sp-route__marker {
	display: grid;
	place-items: center;
	width: 2.5rem;
	height: 2.5rem;
	border: 2px solid var(--sp-line);
	border-radius: 50%;
	background: #fff;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	color: var(--sp-muted);
}

.slides-sp .slides-sp-route__stop.is-done .slides-sp-route__marker {
	border-color: var(--sp-go);
	background: var(--sp-go);
	color: #fff;
}

.slides-sp .slides-sp-route__body {
	padding-top: 0.35rem;
}

.slides-sp .slides-sp-route__body h3 {
	font-size: 1.1rem;
	margin-bottom: 0.25rem;
}

.slides-sp .slides-sp-route__body h3 a {
	color: var(--sp-ink);
	text-decoration: none;
}

.slides-sp .slides-sp-route__body h3 a:hover {
	color: var(--sp-accent);
	text-decoration: underline;
}

.slides-sp .slides-sp-route__body p {
	margin-bottom: 0.25rem;
	color: var(--sp-muted);
}

/* ---------- Status text ---------- */

.slides-sp .slides-sp-status {
	font-size: 0.9rem;
	font-weight: 600;
	margin: 0;
}

.slides-sp .slides-sp-status--done {
	color: var(--sp-go);
}

.slides-sp .slides-sp-status--todo {
	color: var(--sp-muted);
}

/* ---------- Lesson & material pages ---------- */

.slides-sp .slides-sp-article {
	margin-bottom: 2rem;
}

.slides-sp .slides-sp-content {
	line-height: 1.7;
}

.slides-sp .slides-sp-content img,
.slides-sp .slides-sp-content iframe,
.slides-sp .slides-sp-content video {
	max-width: 100%;
	height: auto;
}

.slides-sp .slides-sp-content iframe {
	aspect-ratio: 16 / 9;
	width: 100%;
}

.slides-sp .slides-sp-complete {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.75rem 1.25rem;
	padding: 1.25rem 0;
	border-top: 1px solid var(--sp-line);
	border-bottom: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-pager {
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 1.25rem;
}

.slides-sp .slides-sp-pager a {
	display: block;
	max-width: 48%;
	color: var(--sp-ink);
	font-weight: 600;
	text-decoration: none;
}

.slides-sp .slides-sp-pager a span {
	display: block;
	color: var(--sp-muted);
	font-size: 0.9rem;
	font-weight: 400;
}

.slides-sp .slides-sp-pager a:hover {
	color: var(--sp-accent);
}

.slides-sp .slides-sp-pager__next {
	margin-left: auto;
	text-align: right;
}

/* ---------- Lists (materials & quizzes) ---------- */

.slides-sp .slides-sp-list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-list__item {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem 1.5rem;
	padding: 1.1rem 0;
	margin: 0;
	border-bottom: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-list__text {
	flex: 1 1 18rem;
}

.slides-sp .slides-sp-list__text h3 {
	font-size: 1.1rem;
	margin-bottom: 0.2rem;
}

.slides-sp .slides-sp-list__text h3 a {
	color: var(--sp-ink);
}

.slides-sp .slides-sp-list__text p {
	margin-bottom: 0.2rem;
	color: var(--sp-muted);
}

.slides-sp .slides-sp-list__text .slides-sp-facts {
	margin-bottom: 0.2rem;
}

/* ---------- Taking a quiz ---------- */

.slides-sp .slides-sp-quiz-progress {
	position: sticky;
	top: var(--sp-sticky-top);
	z-index: 5;
	display: flex;
	align-items: center;
	gap: 1rem;
	padding: 0.75rem 0;
	margin-bottom: 1rem;
	background: #fff;
	border-bottom: 1px solid var(--sp-line);
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-quiz-progress .slides-sp-meter {
	flex: 1;
	margin: 0;
}

.slides-sp .slides-sp-quiz-progress .slides-sp-meter > span {
	background: var(--sp-accent);
}

.slides-sp .slides-sp-quiz-progress__text {
	flex: none;
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-questions {
	list-style: none;
	margin: 0;
	padding: 0;
}

.slides-sp .slides-sp-question {
	margin: 0 0 2rem;
	scroll-margin-top: 5rem;
}

.slides-sp .slides-sp-question fieldset {
	margin: 0;
	padding: 0;
	border: 0;
	min-width: 0;
}

.slides-sp .slides-sp-question legend {
	display: block;
	width: 100%;
	padding: 0;
	margin-bottom: 0.75rem;
}

.slides-sp .slides-sp-question__num {
	display: block;
	color: var(--sp-muted);
	font-size: 0.9rem;
	margin-bottom: 0.2rem;
}

.slides-sp .slides-sp-question__text {
	display: block;
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.4;
}

.slides-sp .slides-sp-question__image {
	margin: 0 0 1rem;
}

.slides-sp .slides-sp-question__image img {
	display: block;
	max-width: min(100%, 18rem);
	height: auto;
}

.slides-sp .slides-sp-options {
	display: grid;
	gap: 0.5rem;
	counter-reset: sp-option;
}

.slides-sp .slides-sp-option {
	display: flex;
	align-items: center;
	gap: 0.85rem;
	padding: 0.8rem 1rem;
	border: 1px solid var(--sp-line);
	border-radius: var(--sp-radius);
	background: #fff;
	cursor: pointer;
	counter-increment: sp-option;
}

.slides-sp .slides-sp-option::before {
	content: counter(sp-option, upper-alpha);
	flex: none;
	display: grid;
	place-items: center;
	width: 1.9rem;
	height: 1.9rem;
	border: 2px solid var(--sp-line);
	border-radius: 50%;
	font-weight: 700;
	font-size: 0.9rem;
	color: var(--sp-muted);
}

.slides-sp .slides-sp-option input {
	position: absolute;
	opacity: 0;
	width: 1px;
	height: 1px;
}

.slides-sp .slides-sp-option:hover {
	border-color: #9aa4ad;
}

.slides-sp .slides-sp-option:has(input:focus-visible) {
	outline: 3px solid var(--sp-accent);
	outline-offset: 2px;
}

.slides-sp .slides-sp-option:has(input:checked) {
	border-color: var(--sp-accent);
	box-shadow: inset 0 0 0 1px var(--sp-accent);
}

.slides-sp .slides-sp-option:has(input:checked)::before {
	border-color: var(--sp-accent);
	background: var(--sp-accent);
	color: #fff;
}

/* ---------- Result: the road-sign plate ---------- */

.slides-sp .slides-sp-plate {
	display: inline-block;
	padding: 6px;
	margin: 0.5rem 0 1.25rem;
	border-radius: 14px;
	min-width: 15rem;
}

.slides-sp .slides-sp-plate__inner {
	padding: 1.1rem 2rem 1.2rem;
	border: 3px solid currentColor;
	border-radius: 9px;
	text-align: center;
}

.slides-sp .slides-sp-plate__score {
	margin: 0;
	font-size: 3.5rem;
	font-weight: 800;
	line-height: 1;
	letter-spacing: -0.02em;
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-plate__verdict {
	margin: 0.4rem 0 0;
	font-size: 1.25rem;
	font-weight: 700;
}

.slides-sp .slides-sp-plate.is-pass {
	background: var(--sp-go);
	color: #fff;
}

.slides-sp .slides-sp-plate.is-retry {
	background: var(--sp-caution);
	color: #1a1a1a;
}

.slides-sp .slides-sp-result-summary {
	max-width: 40rem;
}

/* ---------- Answer review ---------- */

.slides-sp .slides-sp-review-head {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 0.5rem 1.5rem;
	margin: 2rem 0 0.75rem;
}

.slides-sp .slides-sp-review-head .slides-sp-subtitle {
	margin: 0;
}

.slides-sp .slides-sp-review {
	list-style: none;
	margin: 0;
	padding: 0;
}

.slides-sp .slides-sp-review__item {
	margin: 0 0 1rem;
	padding: 1rem 1.1rem;
	border: 1px solid var(--sp-line);
	border-left: 5px solid var(--sp-go);
	border-radius: 0 var(--sp-radius) var(--sp-radius) 0;
}

.slides-sp .slides-sp-review__item.is-wrong,
.slides-sp .slides-sp-review__item.is-skipped {
	border-left-color: var(--sp-stop);
}

.slides-sp .slides-sp-review__item .slides-sp-question__num {
	font-weight: 600;
}

.slides-sp .slides-sp-review__item.is-correct .slides-sp-question__num {
	color: var(--sp-go);
}

.slides-sp .slides-sp-review__item.is-wrong .slides-sp-question__num,
.slides-sp .slides-sp-review__item.is-skipped .slides-sp-question__num {
	color: var(--sp-stop);
}

.slides-sp .slides-sp-review.show-missed-only .is-correct {
	display: none;
}

.slides-sp .slides-sp-answers {
	list-style: none;
	margin: 0.75rem 0 0;
	padding: 0;
	display: grid;
	gap: 0.35rem;
}

.slides-sp .slides-sp-answers li {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 0.25rem 1rem;
	margin: 0;
	padding: 0.5rem 0.75rem;
	border-radius: var(--sp-radius);
	background: var(--sp-surface);
}

.slides-sp .slides-sp-answers em {
	font-style: normal;
	font-size: 0.9rem;
	font-weight: 700;
}

.slides-sp .slides-sp-answers .is-answer {
	background: var(--sp-go-tint);
	box-shadow: inset 3px 0 0 var(--sp-go);
}

.slides-sp .slides-sp-answers .is-answer em {
	color: var(--sp-go);
}

.slides-sp .slides-sp-answers .is-chosen {
	background: var(--sp-stop-tint);
	box-shadow: inset 3px 0 0 var(--sp-stop);
}

.slides-sp .slides-sp-answers .is-chosen em {
	color: var(--sp-stop);
}

.slides-sp .slides-sp-explanation {
	margin: 0.75rem 0 0;
	color: var(--sp-muted);
}

/* ---------- Results table ---------- */

.slides-sp .slides-sp-table {
	width: 100%;
	border-collapse: collapse;
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-table th,
.slides-sp .slides-sp-table td {
	padding: 0.7rem 0.5rem;
	border: 0;
	border-bottom: 1px solid var(--sp-line);
	text-align: left;
	vertical-align: top;
}

.slides-sp .slides-sp-table th {
	color: var(--sp-muted);
	font-size: 0.9rem;
	font-weight: 600;
}

/* ---------- Account ---------- */

.slides-sp .slides-sp-details {
	display: grid;
	gap: 0.75rem;
	margin-bottom: 1rem;
}

.slides-sp .slides-sp-details dt {
	color: var(--sp-muted);
	font-size: 0.9rem;
}

.slides-sp .slides-sp-details dd {
	margin: 0;
	font-weight: 600;
}

.slides-sp .slides-sp-password-form {
	max-width: 26rem;
}

/* ---------- Lesson slides ---------- */

.slides-sp .slides-sp-deck {
	margin: 0 0 2rem;
}

/* Without JavaScript every slide is listed; with it, one slide shows at a time. */
.slides-sp .slides-sp-deck__stage {
	display: grid;
	gap: 1rem;
}

.slides-sp .slides-sp-deck.is-enhanced .slides-sp-deck__stage {
	display: block;
	touch-action: pan-y pinch-zoom;
}

.slides-sp .slides-sp-deck__slide {
	position: relative;
	margin: 0;
	aspect-ratio: var(--sp-ratio, 16 / 9);
	border-radius: var(--sp-radius);
	background: var(--sp-ink);
	overflow: hidden;
}

.slides-sp .slides-sp-deck__slide[hidden],
.slides-sp .slides-sp-deck.is-booting .slides-sp-deck__slide ~ .slides-sp-deck__slide {
	display: none;
}

.slides-sp .slides-sp-deck__img {
	display: block;
	width: 100%;
	height: 100%;
	max-width: none;
	object-fit: contain;
	user-select: none;
	-webkit-user-drag: none;
}

.slides-sp .slides-sp-deck__play {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	display: inline-flex;
	align-items: center;
	gap: 0.6rem;
	padding: 0.7rem 1.3rem 0.7rem 0.8rem;
	border-radius: 999px;
	background: rgba(20, 22, 25, 0.86);
	color: #fff;
	font-weight: 700;
	text-decoration: none;
	white-space: nowrap;
	box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.85);
}

.slides-sp .slides-sp-deck__play:hover,
.slides-sp .slides-sp-deck__play:focus-visible {
	background: var(--sp-accent);
	color: #fff;
}

.slides-sp .slides-sp-deck__play-icon {
	display: grid;
	place-items: center;
	width: 2.4rem;
	height: 2.4rem;
	border-radius: 50%;
	background: #fff;
	color: var(--sp-ink);
}

.slides-sp .slides-sp-deck__video {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
	background: #000;
}

.slides-sp .slides-sp-deck__slide.is-playing .slides-sp-deck__play {
	display: none;
}

.slides-sp .slides-sp-deck__meter {
	margin: 0.6rem 0 0;
	height: 5px;
}

.slides-sp .slides-sp-deck__meter > span {
	background: var(--sp-accent);
	transition: none;
}

.slides-sp .slides-sp-deck__controls {
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	gap: 0.75rem;
	margin-top: 0.75rem;
}

.slides-sp .slides-sp-deck__prev {
	justify-self: start;
}

.slides-sp .slides-sp-deck__next {
	justify-self: end;
	min-width: 7.5rem;
	justify-content: center;
}

.slides-sp .slides-sp-deck__prev[disabled] {
	visibility: hidden;
}

.slides-sp .slides-sp-deck__flip svg {
	display: block;
	transform: scaleX(-1);
}

.slides-sp .slides-sp-deck__count {
	margin: 0;
	color: var(--sp-muted);
	font-variant-numeric: tabular-nums;
	white-space: nowrap;
}

.slides-sp .slides-sp-deck__resume {
	display: flex;
	flex-wrap: wrap;
	gap: 0.25rem 0.75rem;
	margin: 0.75rem 0 0;
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-deck__resume[hidden] {
	display: none;
}

.slides-sp .slides-sp-deck__tools {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: space-between;
	gap: 0.5rem 1rem;
	margin-top: 0.75rem;
}

.slides-sp .slides-sp-deck__all {
	flex: 1 1 100%;
	order: 2;
}

.slides-sp .slides-sp-deck__all summary {
	display: inline-block;
	color: var(--sp-accent);
	text-decoration: underline;
	text-underline-offset: 0.2em;
	cursor: pointer;
}

.slides-sp .slides-sp-deck__fullscreen {
	order: 1;
	margin-left: auto;
}

.slides-sp .slides-sp-deck__fullscreen[hidden] {
	display: none;
}

.slides-sp .slides-sp-deck__all[open] summary {
	margin-bottom: 0.75rem;
}

.slides-sp .slides-sp-deck__thumbs {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr));
	gap: 0.6rem;
	max-height: 26rem;
	overflow-y: auto;
}

.slides-sp .slides-sp-deck__thumbs li {
	margin: 0;
}

.slides-sp .slides-sp-deck__thumbs button {
	display: block;
	width: 100%;
	padding: 0;
	border: 2px solid transparent;
	border-radius: var(--sp-radius);
	background: none;
	color: var(--sp-muted);
	font: inherit;
	font-size: 0.85rem;
	text-align: center;
	cursor: pointer;
}

.slides-sp .slides-sp-deck__thumbs img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: var(--sp-ratio, 16 / 9);
	object-fit: cover;
	border-radius: calc(var(--sp-radius) - 2px);
}

.slides-sp .slides-sp-deck__thumbs button[aria-current="true"] {
	border-color: var(--sp-accent);
	color: var(--sp-ink);
	font-weight: 700;
}

/* Full screen: the slide fills the screen, controls stay underneath. */
.slides-sp-deck.is-fullscreen {
	display: flex;
	flex-direction: column;
	justify-content: center;
	margin: 0;
	padding: 1rem 1.5rem;
	background: #111;
	color: #fff;
}

.slides-sp-deck.is-fullscreen .slides-sp-deck__stage {
	flex: 1;
	min-height: 0;
}

.slides-sp-deck.is-fullscreen .slides-sp-deck__slide {
	height: 100%;
	aspect-ratio: auto;
	background: #111;
}

.slides-sp-deck.is-fullscreen .slides-sp-deck__count,
.slides-sp-deck.is-fullscreen .slides-sp-deck__resume {
	color: #d5d9dd;
}

.slides-sp-deck.is-fullscreen .slides-sp-deck__all {
	display: none;
}

.slides-sp-deck.is-fullscreen .slides-sp-button--quiet,
.slides-sp-deck.is-fullscreen .slides-sp-link-button {
	color: #fff;
	border-color: #fff;
}

/* ---------- Student Workbooks ---------- */

.slides-sp .slides-sp-header__links {
	display: flex;
	gap: 1rem;
}

.slides-sp .slides-sp-header__links a[aria-current="page"] {
	color: var(--sp-ink);
	font-weight: 700;
	text-decoration: none;
}

.slides-sp .slides-sp-list__actions {
	margin: 0;
	gap: 0.6rem;
}

.slides-sp .slides-sp-wb-summary {
	margin-bottom: 1.25rem;
	padding: 1.25rem;
	border-radius: var(--sp-radius);
	background: var(--sp-surface);
}

.slides-sp .slides-sp-wb-summary > p {
	margin-bottom: 1rem;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-wb-summary .slides-sp-details {
	grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
	margin: 0;
}

.slides-sp .slides-sp-wb-permit {
	margin-top: 1rem;
}

.slides-sp .slides-sp-wb-permit label {
	display: block;
	margin-bottom: 0.3rem;
	font-weight: 600;
}

.slides-sp .slides-sp-inline-form {
	display: flex;
	gap: 0.5rem;
	max-width: 24rem;
}

.slides-sp .slides-sp-inline-form input {
	flex: 1;
	min-width: 0;
}

.slides-sp .slides-sp-wb-intro {
	margin: 0 0 1.5rem;
	padding: 1rem 1.25rem;
	border: 1px solid var(--sp-line);
	border-radius: var(--sp-radius);
}

.slides-sp .slides-sp-wb-intro summary {
	font-weight: 700;
	cursor: pointer;
}

.slides-sp .slides-sp-wb-intro[open] summary {
	margin-bottom: 0.75rem;
}

.slides-sp .slides-sp-wb-intro ol {
	margin-bottom: 0.75rem;
	padding-left: 1.4em;
}

.slides-sp .slides-sp-wb-submit {
	margin: 2rem 0 1rem;
	padding: 1.25rem;
	border: 2px solid var(--sp-line);
	border-radius: var(--sp-radius);
}

.slides-sp .slides-sp-wb-submit .slides-sp-subtitle {
	margin-top: 0;
}

.slides-sp .slides-sp-wb-paper {
	color: var(--sp-muted);
}

/* Questions */
.slides-sp .slides-sp-wb-q {
	margin: 0 0 1.75rem;
	padding: 0 0 1.75rem;
	border-bottom: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-wb-q fieldset {
	min-width: 0;
	margin: 0;
	padding: 0;
	border: 0;
}

.slides-sp .slides-sp-wb-q__text {
	display: block;
	margin: 0 0 0.75rem;
	padding: 0;
	font-size: 1.05rem;
	font-weight: 600;
	line-height: 1.9;
}

.slides-sp .slides-sp-wb-q__num {
	margin-right: 0.15em;
	color: var(--sp-muted);
	font-variant-numeric: tabular-nums;
}

.slides-sp .slides-sp-wb-q__image {
	display: block;
	max-width: min(100%, 20rem);
	height: auto;
	margin: 0 0 1rem;
}

/* A blank inside a sentence looks like the line on the paper workbook. */
.slides-sp input.slides-sp-wb-blank {
	display: inline-block;
	width: 11em;
	max-width: 100%;
	margin: 0 0.2em;
	padding: 0.15em 0.35em;
	border: 0;
	border-bottom: 2px solid #9aa4ad;
	border-radius: 0;
	background: var(--sp-surface);
	font: inherit;
	font-weight: 400;
	line-height: 1.4;
	vertical-align: baseline;
}

.slides-sp input.slides-sp-wb-blank:focus {
	border-bottom-color: var(--sp-accent);
	outline: 2px solid var(--sp-accent);
	outline-offset: 1px;
}

.slides-sp .slides-sp-wb-line,
.slides-sp .slides-sp-wb-textarea {
	display: block;
	width: 100%;
}

.slides-sp textarea.slides-sp-wb-textarea {
	min-height: 5.5em;
	padding: 0.6em 0.8em;
	border: 1px solid #9aa4ad;
	border-radius: var(--sp-radius);
	background: #fff;
	color: var(--sp-ink);
	font: inherit;
	line-height: 1.5;
	resize: vertical;
}

.slides-sp textarea.slides-sp-wb-textarea:focus {
	border-color: var(--sp-accent);
	outline: 2px solid var(--sp-accent);
	outline-offset: 0;
}

.slides-sp .slides-sp-wb-list {
	display: grid;
	gap: 0.6rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.slides-sp .slides-sp-wb-item {
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	align-items: baseline;
	gap: 0.5rem;
	margin: 0;
}

.slides-sp .slides-sp-wb-label {
	color: var(--sp-muted);
	font-weight: 700;
}

.slides-sp .slides-sp-wb-item__body {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.35rem 0.75rem;
	min-width: 0;
}

.slides-sp .slides-sp-wb-item__body > .slides-sp-wb-line,
.slides-sp .slides-sp-wb-item__body > textarea {
	flex: 1 1 100%;
}

.slides-sp .slides-sp-wb-item__text {
	flex: 1 1 14rem;
}

.slides-sp input.slides-sp-wb-short {
	flex: 0 1 12rem;
	width: 12rem;
}

.slides-sp .slides-sp-wb-item__inline {
	line-height: 1.9;
}

.slides-sp .slides-sp-wb-given {
	color: var(--sp-muted);
	font-style: italic;
}

.slides-sp .slides-sp-wb-tf {
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr) auto;
	align-items: center;
	gap: 0.5rem 1rem;
	padding: 0.6rem 0;
	border-top: 1px solid var(--sp-line);
}

.slides-sp .slides-sp-wb-tf__options {
	display: flex;
	gap: 0.4rem;
}

.slides-sp .slides-sp-wb-pill {
	position: relative;
	display: inline-flex;
	cursor: pointer;
}

.slides-sp .slides-sp-wb-pill input {
	position: absolute;
	width: 1px;
	height: 1px;
	opacity: 0;
}

.slides-sp .slides-sp-wb-pill span {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	border: 1px solid var(--sp-line);
	border-radius: 999px;
	color: var(--sp-muted);
	font-size: 0.9rem;
	font-weight: 600;
}

.slides-sp .slides-sp-wb-pill input:checked + span {
	border-color: var(--sp-accent);
	background: var(--sp-accent);
	color: #fff;
}

.slides-sp .slides-sp-wb-pill input:focus-visible + span {
	outline: 3px solid var(--sp-accent);
	outline-offset: 2px;
}

.slides-sp .slides-sp-wb-images {
	display: grid;
	grid-template-columns: repeat(var(--wb-cols, 4), minmax(0, 1fr));
	gap: 1rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.slides-sp .slides-sp-wb-images li {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	margin: 0;
}

.slides-sp .slides-sp-wb-images img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
	padding: 0.5rem;
	border: 1px solid var(--sp-line);
	border-radius: var(--sp-radius);
	background: #fff;
	object-fit: contain;
}

/* Fields reached with Tab never end up hidden behind the Save bar. */
.slides-sp .slides-sp-wb-form input,
.slides-sp .slides-sp-wb-form textarea {
	scroll-margin: 1rem 0 7rem;
}

/* The Save bar stays in view on long lessons. */
.slides-sp .slides-sp-wb-bar {
	position: sticky;
	bottom: 0;
	z-index: 5;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: flex-end;
	gap: 0.75rem 1rem;
	margin: 1rem 0 0;
	padding: 0.85rem 0;
	border-top: 1px solid var(--sp-line);
	background: #fff;
}

.slides-sp .slides-sp-wb-bar__status {
	flex: 1 1 16rem;
	margin: 0;
	color: var(--sp-muted);
	font-size: 0.95rem;
}

.slides-sp .slides-sp-wb-outro {
	padding: 1rem 1.25rem;
	border-radius: var(--sp-radius);
	background: var(--sp-go-tint);
}

.slides-sp input[readonly],
.slides-sp textarea[readonly] {
	background: var(--sp-surface);
	cursor: default;
}

/* Instructor review: empty answers stand out. */
.slides-sp .slides-sp-wb-answers .slides-sp-wb-q:not(.is-answered) {
	padding: 1rem;
	border-radius: var(--sp-radius);
	background: #fff8db;
}

/* ---------- Small screens ---------- */

@media (max-width: 600px) {
	.slides-sp .slides-sp-title {
		font-size: 1.45rem;
	}

	.slides-sp .slides-sp-nav {
		display: grid;
		grid-template-columns: repeat(3, 1fr);
		gap: 0;
	}

	.slides-sp .slides-sp-nav__item {
		padding: 0.65rem 0.25rem;
		text-align: center;
	}

	/* Phones: counter on its own line so "Slide 104 of 127" never collides with the buttons. */
	.slides-sp .slides-sp-deck__controls {
		grid-template-columns: 1fr 1fr;
		grid-template-areas: "count count" "prev next";
		gap: 0.5rem;
	}

	.slides-sp .slides-sp-deck__count {
		grid-area: count;
		text-align: center;
	}

	.slides-sp .slides-sp-deck__prev {
		grid-area: prev;
	}

	.slides-sp .slides-sp-deck__next {
		grid-area: next;
		min-width: 0;
	}

	.slides-sp .slides-sp-deck__play {
		padding: 0.4rem 0.9rem 0.4rem 0.45rem;
		font-size: 0.9rem;
	}

	.slides-sp .slides-sp-deck__play-icon {
		width: 1.9rem;
		height: 1.9rem;
	}

	.slides-sp .slides-sp-deck__thumbs {
		grid-template-columns: repeat(3, 1fr);
	}

	.slides-sp .slides-sp-wb-images {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.slides-sp .slides-sp-wb-tf {
		grid-template-columns: 2rem minmax(0, 1fr);
	}

	.slides-sp .slides-sp-wb-tf__options {
		grid-column: 2;
	}

	.slides-sp input.slides-sp-wb-blank {
		width: 8em;
	}

	.slides-sp .slides-sp-wb-bar .slides-sp-button {
		flex: 1 1 auto;
		justify-content: center;
	}

	.slides-sp .slides-sp-login {
		padding: 1.25rem;
	}

	.slides-sp .slides-sp-list__item .slides-sp-button {
		width: 100%;
		justify-content: center;
	}

	.slides-sp .slides-sp-plate {
		display: block;
		min-width: 0;
	}

	.slides-sp .slides-sp-plate__score {
		font-size: 3rem;
	}

	.slides-sp .slides-sp-table thead {
		position: absolute;
		width: 1px;
		height: 1px;
		overflow: hidden;
		clip: rect(1px, 1px, 1px, 1px);
	}

	.slides-sp .slides-sp-table tr {
		display: block;
		padding: 0.6rem 0;
		border-bottom: 1px solid var(--sp-line);
	}

	.slides-sp .slides-sp-table td {
		display: flex;
		justify-content: space-between;
		gap: 1rem;
		padding: 0.2rem 0;
		border: 0;
	}

	.slides-sp .slides-sp-table td[data-label]::before {
		content: attr(data-label);
		color: var(--sp-muted);
		font-size: 0.9rem;
	}

	.slides-sp .slides-sp-pager {
		flex-direction: column;
	}

	.slides-sp .slides-sp-pager a {
		max-width: none;
	}
}

@media (prefers-reduced-motion: reduce) {
	.slides-sp .slides-sp-meter > span {
		transition: none;
	}
}