/**
 * Single Lesson Template Styles
 *
 * 25% sidebar navigation, 75% content area layout.
 *
 * @package Measured_Collective
 */

/* ==========================================================================
   Layout
   ========================================================================== */

.lesson-page {
	min-height: calc(100vh - 200px);
}

.lesson-layout {
	display: grid;
	grid-template-columns: 1fr;
	min-height: calc(100vh - 200px);
}

@media (min-width: 960px) {
	.lesson-layout {
		grid-template-columns: 300px 1fr;
	}
}

@media (min-width: 1180px) {
	.lesson-layout {
		grid-template-columns: 320px 1fr;
	}
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.lesson-sidebar {
	background-color: var(--faint-green, #f7f8f7);
	border-right: 1px solid var(--grey-green, #e6e9e7);
	padding: 1.5rem;
	overflow-y: auto;
	position: sticky;
	top: 0;
	height: 100vh;
	display: none;
}

@media (min-width: 960px) {
	.lesson-sidebar {
		display: block;
	}
}

.lesson-sidebar__header {
	margin-bottom: 1.5rem;
	padding-bottom: 1rem;
	border-bottom: 1px solid var(--grey-green, #e6e9e7);
}

.lesson-sidebar__back {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	font-size: 0.875rem;
	color: var(--dark-forest-green, #0c3d3d);
	text-decoration: none;
	margin-bottom: 0.75rem;
	opacity: 0.7;
	transition: opacity 0.2s ease;
}

.lesson-sidebar__back:hover {
	opacity: 1;
}

.lesson-sidebar__course-title {
	font-size: 1.125rem;
	font-weight: 600;
	margin: 0;
	color: var(--dark-forest-green, #0c3d3d);
	line-height: 1.3;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.lesson-nav {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.lesson-nav__module {
	/* Module wrapper */
}

.lesson-nav__module-title {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--dark-forest-green, #0c3d3d);
	opacity: 0.6;
	margin: 0 0 0.5rem 0;
}

.lesson-nav__module-number {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.25rem;
	height: 1.25rem;
	background-color: var(--grey-green, #e6e9e7);
	border-radius: 4px;
	font-size: 0.625rem;
	font-weight: 700;
	flex-shrink: 0;
}

.lesson-nav__lessons {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}

.lesson-nav__lesson {
	/* Individual lesson item */
}

.lesson-nav__lesson-link {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	padding: 0.5rem 0.625rem;
	margin-left: -0.625rem;
	margin-right: -0.625rem;
	border-radius: 6px;
	font-size: 0.875rem;
	color: var(--dark-forest-green, #0c3d3d);
	text-decoration: none;
	line-height: 1.4;
	transition: background-color 0.15s ease;
}

.lesson-nav__lesson-link:hover {
	background-color: var(--grey-green, #e6e9e7);
}

.lesson-nav__lesson.is-active .lesson-nav__lesson-link {
	background-color: var(--dark-forest-green, #0c3d3d);
	color: #fff;
}

.lesson-nav__icon {
	flex-shrink: 0;
	margin-top: 0.125rem;
}

/* ==========================================================================
   Content Area
   ========================================================================== */

.lesson-content {
	padding: 2rem 1.5rem;
	max-width: 100%;
	overflow-x: hidden;
}

@media (min-width: 768px) {
	.lesson-content {
		padding: 3rem;
	}
}

@media (min-width: 960px) {
	.lesson-content {
		padding: 3rem 4rem;
	}
}

.lesson-article {
	max-width: 800px;
}

/* ==========================================================================
   Lesson Header
   ========================================================================== */

.lesson-header {
	margin-bottom: 2rem;
}

.lesson-title {
	font-size: 1.75rem;
	font-weight: 700;
	line-height: 1.2;
	margin: 0;
	color: var(--dark-forest-green, #0c3d3d);
}

@media (min-width: 768px) {
	.lesson-title {
		font-size: 2.25rem;
	}
}

/* ==========================================================================
   Lesson Body
   ========================================================================== */

.lesson-body {
	font-size: 1.0625rem;
	line-height: 1.7;
	color: #333;
}

.lesson-body p {
	margin-bottom: 1.25rem;
}

.lesson-body h2 {
	font-size: 1.5rem;
	font-weight: 600;
	margin-top: 2rem;
	margin-bottom: 1rem;
	color: var(--dark-forest-green, #0c3d3d);
}

.lesson-body h3 {
	font-size: 1.25rem;
	font-weight: 600;
	margin-top: 1.5rem;
	margin-bottom: 0.75rem;
	color: var(--dark-forest-green, #0c3d3d);
}

.lesson-body ul,
.lesson-body ol {
	margin-bottom: 1.25rem;
	padding-left: 1.5rem;
}

.lesson-body li {
	margin-bottom: 0.5rem;
}

/* Video embeds */
.lesson-body .wp-block-embed {
	margin: 2rem 0;
}

.lesson-body .wp-block-embed iframe {
	width: 100%;
	max-width: 100%;
	aspect-ratio: 16/10;
	height: auto;
	border-radius: 8px;
}

/* ==========================================================================
   Previous/Next Navigation
   ========================================================================== */

.lesson-pagination {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
	margin-top: 3rem;
	padding-top: 2rem;
	border-top: 1px solid var(--grey-green, #e6e9e7);
}

.lesson-pagination__prev,
.lesson-pagination__next {
	/* Wrapper for alignment */
}

.lesson-pagination__next {
	text-align: right;
}

.lesson-pagination__link {
	display: inline-flex;
	flex-direction: column;
	gap: 0.25rem;
	padding: 1rem;
	border-radius: 8px;
	background-color: var(--faint-green, #f7f8f7);
	text-decoration: none;
	transition: background-color 0.2s ease;
	max-width: 100%;
}

.lesson-pagination__link:hover {
	background-color: var(--grey-green, #e6e9e7);
}

.lesson-pagination__link--prev {
	align-items: flex-start;
}

.lesson-pagination__link--next {
	align-items: flex-end;
	margin-left: auto;
}

.lesson-pagination__label {
	font-size: 0.75rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--dark-forest-green, #0c3d3d);
	opacity: 0.6;
}

.lesson-pagination__title {
	font-size: 0.9375rem;
	font-weight: 500;
	color: var(--dark-forest-green, #0c3d3d);
	line-height: 1.3;
}

/* ==========================================================================
   Mobile Navigation Toggle
   ========================================================================== */

@media (max-width: 959px) {
	/* Show a simplified mobile experience */
	.lesson-page {
		position: relative;
	}
}

/* ==========================================================================
   Quiz Styles
   ========================================================================== */

.mc-quiz {
	background-color: var(--faint-green, #f7f8f7);
	border: 1px solid var(--grey-green, #e6e9e7);
	border-radius: 12px;
	padding: 2rem;
	margin: 2rem 0;
}

.mc-quiz__question {
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--dark-forest-green, #0c3d3d);
	margin-bottom: 1.5rem;
}

.mc-quiz__choices {
	list-style: none;
	padding: 0;
	margin: 0 0 1.5rem 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.mc-quiz__choices li {
	display: flex;
	align-items: flex-start;
	background-color: #fff;
	border: 1px solid var(--grey-green, #e6e9e7);
	border-radius: 8px;
	cursor: pointer;
	transition: border-color 0.2s ease, background-color 0.2s ease;
}

.mc-quiz__choices label {
	display: flex;
	align-items: flex-start;
	width: 100%;
	gap: 0.75rem;
	padding: 1rem;
	cursor: pointer;
	font-size: var(--k-text-base);
	line-height: 1.5;
}

.mc-quiz__choices li:hover {
	border-color: var(--dark-forest-green, #0c3d3d);
}

.mc-quiz__choices li:has(input:checked) {
	border-color: var(--bright-green-accent, #5edd5e);
	background-color: rgba(94, 221, 94, 0.1);
}

.mc-quiz__choices input[type="radio"] {
	margin-top: 0.25rem;
	accent-color: var(--bright-green-accent, #5edd5e);
}

.mc-quiz__buttons {
	display: flex;
	gap: 1rem;
	flex-wrap: wrap;
}

.mc-quiz__btn {
	padding: 0.75rem 1.5rem;
	border-radius: 6px;
	font-size: 0.9375rem;
	font-weight: 500;
	cursor: pointer;
	transition: background-color 0.2s ease, opacity 0.2s ease;
	border: none;
}

.mc-quiz__btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.mc-quiz__btn--prev {
	background-color: var(--grey-green, #e6e9e7);
	color: var(--dark-forest-green, #0c3d3d);
}

.mc-quiz__btn--prev:hover:not(:disabled) {
	background-color: #d4d9d5;
}

.mc-quiz__btn--next,
.mc-quiz__btn--submit {
	background-color: var(--dark-forest-green, #0c3d3d);
	color: #fff;
}

.mc-quiz__btn--next:hover,
.mc-quiz__btn--submit:hover {
	background-color: #0a3232;
}

.mc-quiz__btn--reset {
	background-color: var(--bright-green-accent, #5edd5e);
	color: var(--dark-forest-green, #0c3d3d);
}

.mc-quiz__btn--reset:hover {
	background-color: #4ecd4e;
}

.mc-quiz__result {
	text-align: center;
}

.mc-quiz__result p {
	margin: 0.5rem 0;
	font-size: 0.9375rem;
}

.mc-quiz__result-message {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--dark-forest-green, #0c3d3d);
	margin: 1.5rem 0;
}

.mc-quiz-error {
	color: #c53030;
	background-color: #fff5f5;
	border: 1px solid #feb2b2;
	padding: 1rem;
	border-radius: 8px;
}