/**
 * עמוד שיעור בודד.
 *
 * רקע דף רך (--surface) + כרטיס לבן מוגבה לגוף השיעור – אותה שפת עיצוב כמו בעמוד מאמר בודד.
 * נגן צף: IntersectionObserver על .ov-lesson__player מצד single-lesson.js – מזיז את אותו ה-DOM node
 * לתוך #ovFloatDock, לא משכפל. ה-CSS כאן רק מגדיר איך זה נראה בשני המצבים.
 */

.ov-lesson {
	--ink: #131c26;
	--navy: var(--ov-navy, #002347);
	--navy-soft: #1c3a5e;
	--gold: var(--ov-gold, #d59b2a);
	--gold-deep: #9a6c17;
	--paper: #ffffff;
	--surface: #f6f3ec;
	--muted: #6c7883;
	--line: #e9e3d5;

	--display: 'Frank Ruhl Libre', Georgia, serif;
	--body: 'Assistant', system-ui, sans-serif;
	--edge: clamp(20px, 5vw, 72px);
	--maxw: 1180px;

	--shadow-sm: 0 1px 2px rgba(0, 35, 71, 0.04), 0 4px 10px -4px rgba(0, 35, 71, 0.08);
	--shadow-md: 0 2px 4px rgba(0, 35, 71, 0.04), 0 18px 40px -16px rgba(0, 35, 71, 0.16);
	--shadow-lg: 0 8px 16px rgba(0, 35, 71, 0.06), 0 32px 64px -20px rgba(0, 35, 71, 0.24);

	font-family: var(--body);
	color: var(--ink);
	background: var(--surface);
}

/* ---------- כותרת ---------- */

.ov-lesson__head {
	max-width: var(--maxw);
	margin-inline: auto;
	padding: clamp(32px, 6vh, 64px) var(--edge) 0;
}

.ov-lesson__kicker {
	display: inline-flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	margin: 0 0 18px;
	padding: 6px 16px;
	font-size: 0.8rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--gold-deep);
	background: var(--paper);
	border-radius: 100px;
	box-shadow: var(--shadow-sm);
}

.ov-lesson__kicker a {
	color: inherit;
	text-decoration: none;
}

.ov-lesson__kicker a:hover,
.ov-lesson__kicker a:focus-visible {
	color: var(--navy);
}

.ov-lesson__title {
	margin: 0 0 22px;
	max-width: 22ch;
	font-family: var(--display);
	font-size: clamp(1.85rem, 4.4vw, 3.2rem);
	font-weight: 700;
	line-height: 1.15;
	letter-spacing: -0.01em;
	color: var(--navy);
}

.ov-lesson__byline {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 10px 16px;
	padding-bottom: 28px;
	font-size: 0.95rem;
	color: var(--muted);
}

.ov-lesson__author {
	font-weight: 700;
	color: var(--navy);
	text-decoration: none;
	border-bottom: 1.5px solid transparent;
	transition: border-color 0.25s ease, color 0.25s ease;
}

.ov-lesson__author:hover,
.ov-lesson__author:focus-visible {
	color: var(--gold-deep);
	border-bottom-color: var(--gold);
}

.ov-lesson__sep {
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background: var(--gold);
}

/* ---------- הנגן ---------- */

.ov-lesson__player {
	position: relative;
	width: calc(100% - var(--edge) * 2);
	max-width: var(--maxw);
	margin: clamp(24px, 4.5vh, 44px) auto 0;
	aspect-ratio: 16 / 9;
	background: #05080c;
	border-radius: 24px;
	overflow: hidden;
	box-shadow: var(--shadow-lg);
}

.ov-lesson__player iframe {
	width: 100%;
	height: 100%;
	border: 0;
	display: block;
}

.ov-lesson__facade {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	padding: 0;
	border: 0;
	background-color: #05080c;
	background-size: cover;
	background-position: center;
	cursor: pointer;
	display: grid;
	place-items: center;
}

.ov-lesson__facade::before {
	content: "";
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(4, 10, 18, 0.15) 0%, rgba(4, 10, 18, 0.4) 100%);
	transition: opacity 0.4s ease;
}

.ov-lesson__facade:hover::before,
.ov-lesson__facade:focus-visible::before {
	opacity: 0.65;
}

.ov-lesson__play {
	position: relative;
	display: inline-flex;
	align-items: center;
	gap: 12px;
	padding: 18px 34px;
	font-family: var(--body);
	font-size: 1.02rem;
	font-weight: 700;
	color: var(--navy);
	background: var(--gold);
	border-radius: 100px;
	box-shadow: 0 12px 30px -8px rgba(213, 155, 42, 0.55);
	transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.35s ease;
}

.ov-lesson__facade:hover .ov-lesson__play,
.ov-lesson__facade:focus-visible .ov-lesson__play {
	transform: scale(1.06);
	box-shadow: 0 16px 38px -6px rgba(213, 155, 42, 0.65);
}

.ov-lesson__play svg {
	width: 16px;
	height: 16px;
	fill: var(--navy);
	flex-shrink: 0;
}

.ov-lesson__resume {
	position: absolute;
	inset-block-end: 20px;
	inset-inline-start: 20px;
	z-index: 3;
	padding: 12px 22px;
	font-family: inherit;
	font-size: 0.88rem;
	font-weight: 700;
	color: var(--navy);
	background: var(--paper);
	border: 0;
	border-radius: 100px;
	cursor: pointer;
	box-shadow: var(--shadow-md);
	transition: transform 0.25s ease, background 0.25s ease;
}

.ov-lesson__resume:hover,
.ov-lesson__resume:focus-visible {
	background: var(--gold);
	transform: translateY(-2px);
}

/* ---------- גוף השיעור – כרטיס לבן מוגבה (עקבי עימוד מאמר בודד) ---------- */

.ov-lesson__body {
	max-width: 760px;
	margin-inline: auto;
	padding: clamp(36px, 6vh, 60px) var(--edge) 0;
}

.ov-lesson__card {
	background: var(--paper);
	border-radius: 24px;
	box-shadow: var(--shadow-md);
	padding: clamp(24px, 5vw, 56px);
}

.ov-lesson__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin-bottom: 30px;
}

.ov-tag {
	display: inline-block;
	padding: 8px 18px;
	font-size: 0.86rem;
	font-weight: 600;
	color: var(--navy);
	text-decoration: none;
	background: var(--surface);
	border-radius: 100px;
	transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.ov-tag:hover,
.ov-tag:focus-visible {
	background: #efeade;
	color: var(--navy);
	transform: translateY(-1px);
}

.ov-tag--primary {
	background: var(--navy);
	color: #fff;
}

.ov-tag--primary:hover,
.ov-tag--primary:focus-visible {
	background: var(--navy-soft);
	color: #fff;
}

.ov-lesson__text {
	font-size: 1.08rem;
	line-height: 1.9;
	color: #333c46;
}

.ov-lesson__text p {
	margin: 0 0 20px;
}

.ov-lesson__text .youtube-video-container {
	display: none;
}

/* ---------- מעבר בין שיעורים – כרטיסי לבן תמיד, צל קבוע ---------- */

.ov-jump {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	max-width: var(--maxw);
	margin: clamp(48px, 7vh, 80px) auto 0;
	padding-inline: var(--edge);
}

.ov-jump__link {
	display: block;
	padding: 26px 28px;
	background: var(--paper);
	border-radius: 20px;
	box-shadow: var(--shadow-sm);
	text-decoration: none;
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

.ov-jump__link:hover,
.ov-jump__link:focus-visible {
	transform: translateY(-3px);
	box-shadow: var(--shadow-md);
}

.ov-jump__link--next {
	text-align: start;
}

.ov-jump__link--prev {
	text-align: end;
}

.ov-jump__dir {
	display: block;
	margin-bottom: 8px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	color: var(--gold-deep);
}

.ov-jump__name {
	display: block;
	font-family: var(--display);
	font-size: 1.1rem;
	font-weight: 500;
	line-height: 1.4;
	color: var(--navy);
}

/* ---------- שיעורים נוספים – רצועה לרוחב, כרטיסים מוגבהים כברירת מחדל ---------- */

.ov-more {
	margin-top: clamp(60px, 9vh, 104px);
	padding: clamp(48px, 7vh, 80px) 0 clamp(56px, 9vh, 96px);
	background: var(--surface);
}

.ov-more__inner {
	max-width: var(--maxw);
	margin-inline: auto;
	padding-inline: var(--edge);
}

.ov-more__head {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	align-items: baseline;
	justify-content: space-between;
	margin-bottom: 34px;
}

.ov-more__title {
	margin: 0;
	font-family: var(--display);
	font-size: clamp(1.35rem, 2.7vw, 1.85rem);
	font-weight: 700;
	color: var(--navy);
}

.ov-more__all {
	font-size: 0.9rem;
	font-weight: 700;
	color: var(--gold-deep);
	text-decoration: none;
	border-bottom: 1.5px solid transparent;
	transition: border-color 0.25s ease;
}

.ov-more__all:hover,
.ov-more__all:focus-visible {
	border-bottom-color: var(--gold);
	color: var(--gold-deep);
}

.ov-more__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: clamp(20px, 2.5vw, 28px);
	list-style: none;
	margin: 0;
	padding: 0;
}

.ov-more__item {
	margin: 0;
}

.ov-more__link {
	display: block;
	padding: 10px;
	background: var(--paper);
	border-radius: 20px;
	box-shadow: var(--shadow-sm);
	text-decoration: none;
	color: inherit;
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

.ov-more__link:hover,
.ov-more__link:focus-visible {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
}

.ov-more__frame {
	position: relative;
	display: block;
	width: 100%;
	aspect-ratio: 16 / 9;
	margin-bottom: 16px;
	background: #e4ded1;
	border-radius: 14px;
	overflow: hidden;
}

.ov-more__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.ov-more__link:hover .ov-more__img,
.ov-more__link:focus-visible .ov-more__img {
	transform: scale(1.06);
}

.ov-more__name {
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	font-size: 1rem;
	font-weight: 600;
	line-height: 1.45;
	color: var(--navy);
}

.ov-more__link:hover .ov-more__name,
.ov-more__link:focus-visible .ov-more__name {
	color: var(--gold-deep);
}

.ov-more__by {
	display: block;
	margin-top: 6px;
	font-size: 0.85rem;
	color: var(--muted);
}

/* ---------- נגישות ורספונסיביות ---------- */

.ov-lesson a:focus-visible,
.ov-lesson button:focus-visible {
	outline: 3px solid var(--gold);
	outline-offset: 3px;
	border-radius: 4px;
}

@media (max-width: 900px) {
	.ov-more__grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 560px) {
	.ov-more__grid {
		grid-template-columns: 1fr;
		gap: 26px;
	}

	.ov-jump {
		grid-template-columns: 1fr;
	}

	.ov-jump__link--prev,
	.ov-jump__link--next {
		text-align: start;
	}

	.ov-lesson__player {
		width: calc(100% - 24px);
		border-radius: 16px;
	}

	.ov-lesson__play {
		padding: 14px 26px;
		font-size: 0.94rem;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ov-more__img,
	.ov-lesson__facade::before,
	.ov-lesson__play,
	.ov-jump__link,
	.ov-more__link,
	.ov-lesson__resume,
	.ov-tag {
		transition: none;
	}

	.ov-more__link:hover,
	.ov-jump__link:hover,
	.ov-lesson__facade:hover .ov-lesson__play {
		transform: none;
	}
}

.ov-lesson__by-badge {
	position: absolute;
	inset-block-end: 20px;
	inset-inline-end: 20px;
	z-index: 3;
	width: 54px;
	height: 54px;
	border-radius: 50%;
	overflow: hidden;
	border: 3px solid rgba(255, 255, 255, 0.9);
	box-shadow: var(--shadow-md);
	transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.ov-lesson__by-badge:hover,
.ov-lesson__by-badge:focus-visible {
	transform: scale(1.1);
}

.ov-lesson__by-badge img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center 18%;
	display: block;
}

@media (max-width: 560px) {
	.ov-lesson__by-badge {
		width: 42px;
		height: 42px;
		inset-block-end: 12px;
		inset-inline-end: 12px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ov-lesson__by-badge {
		transition: none;
	}

	.ov-lesson__by-badge:hover {
		transform: none;
	}
}

.ov-speed {
	display: flex;
	align-items: center;
	gap: 8px;
	max-width: var(--maxw);
	margin: 14px auto 0;
	padding-inline: var(--edge);
}

.ov-speed__label {
	font-size: 0.85rem;
	color: var(--muted);
}

.ov-speed__btn {
	padding: 9px 16px;
	min-height: 44px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	color: var(--navy);
	background: var(--paper);
	border: 1.5px solid var(--line);
	border-radius: 100px;
	cursor: pointer;
	transition: border-color 0.2s ease, background 0.2s ease;
}

.ov-speed__btn:hover,
.ov-speed__btn:focus-visible {
	border-color: var(--gold);
}

.ov-speed__btn.is-active {
	color: #fff;
	background: var(--navy);
	border-color: var(--navy);
}

@media (prefers-reduced-motion: reduce) {
	.ov-speed__btn {
		transition: none;
	}
}

/* ---------- נגן צף (mini player) – מופעל על ידי single-lesson.js, שמזיז את .ov-lesson__player האמיתי לתוך #ovFloatDock ---------- */

.ov-float {
	position: fixed;
	z-index: 60;
	inset-block-end: 20px;
	inset-inline-start: 20px;
	width: min(330px, calc(100vw - 40px));
}

.ov-float[hidden] {
	display: none;
}

.ov-float.is-entering {
	opacity: 0;
	transform: scale(0.85) translateY(16px);
}

.ov-float:not(.is-entering) {
	opacity: 1;
	transform: scale(1) translateY(0);
	transition: opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1), transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.ov-lesson__player--floating {
	width: 100%;
	max-width: none;
	margin: 0;
	aspect-ratio: 16 / 9;
	border-radius: 16px;
	box-shadow: var(--shadow-lg);
}

.ov-lesson__player--floating .ov-lesson__by-badge,
.ov-lesson__player--floating .ov-lesson__resume {
	display: none;
}

.ov-float__close {
	position: absolute;
	top: -14px;
	inset-inline-end: -14px;
	z-index: 4;
	width: 32px;
	height: 32px;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--navy);
	border: 3px solid var(--paper);
	border-radius: 50%;
	cursor: pointer;
	box-shadow: var(--shadow-md);
	transition: background 0.2s ease, transform 0.2s ease;
}

.ov-float__close svg {
	width: 14px;
	height: 14px;
	stroke: #fff;
	stroke-width: 2.5;
	fill: none;
}

.ov-float__close:hover,
.ov-float__close:focus-visible {
	background: var(--navy-soft);
	transform: scale(1.08);
}

@media (max-width: 640px) {
	.ov-float {
		inset-inline: 12px;
		inset-block-end: 12px;
		width: auto;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ov-float,
	.ov-float.is-entering,
	.ov-float__close {
		transition: none;
	}

	.ov-float.is-entering {
		opacity: 1;
		transform: none;
	}

	.ov-float__close:hover {
		transform: none;
	}
}


/* קבצים נלווים לשיעור – מקורות להורדה, ושמע נפרד להאזנה/הורדה (ovc-lesson-downloads). */
.ov-lesson__extras {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 16px 0 4px;
}

.ov-lesson__extra-btn {
	--c-navy: var(--ov-navy, #002347);
	--c-border: var(--ov-border, #e2e8f0);
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 18px;
	border-radius: var(--ov-radius-pill, 100px);
	border: 1px solid var(--c-border);
	background: #fff;
	color: var(--c-navy);
	font-weight: 600;
	font-size: 14px;
	text-decoration: none;
	cursor: pointer;
	transition: var(--ov-transition, 0.25s cubic-bezier(0.22, 1, 0.36, 1));
	box-shadow: 0 1px 2px rgba(0, 35, 71, .04);
}

.ov-lesson__extra-btn svg {
	width: 16px;
	height: 16px;
	fill: none;
	stroke: currentColor;
	stroke-width: 2;
	stroke-linecap: round;
	stroke-linejoin: round;
	flex-shrink: 0;
}

.ov-lesson__extra-btn:hover,
.ov-lesson__extra-btn.is-active {
	transform: translateY(-2px);
	box-shadow: 0 1px 2px rgba(0, 35, 71, .04), 0 18px 40px -16px rgba(0, 35, 71, .16);
	border-color: var(--ov-gold, #d4af37);
}

.ov-lesson__extra-btn--ghost {
	background: transparent;
}

.ov-lesson__audio {
	display: flex;
	flex-direction: column;
	gap: 10px;
	margin: 4px 0 20px;
	padding: 16px 20px;
	border-radius: var(--ov-radius-lg, 20px);
	background: var(--ov-surface-alt, #f7f5f0);
}

.ov-lesson__audio[hidden] {
	display: none;
}

.ov-lesson__audio audio {
	width: 100%;
}

.ov-lesson__audio-hint {
	margin: 0;
	font-size: 13px;
	color: var(--ov-text-soft, #6b7280);
}

@media (prefers-reduced-motion: reduce) {
	.ov-lesson__extra-btn {
		transition: none;
	}
}