/**
 * Joyn LMS 강의 뷰어 — fix/lms-lesson-viewer_1.html 디자인
 * 레슨 보기는 다크 모드 전용.
 */

/* ── 다크 테마 (레슨 뷰어 기본) ── */
.joyn-lesson-viewer-fix {
	--joyn-lv-p: #4541FF;
	--joyn-lv-bg: #0E0E14;
	--joyn-lv-card: #1A1A24;
	--joyn-lv-card2: #22222F;
	--joyn-lv-t1: #F9FAFB;
	--joyn-lv-t2: #9CA3AF;
	--joyn-lv-t3: #6B7280;
	--joyn-lv-border: #2A2A38;
	--joyn-lv-success: #22C55E;
	--joyn-lv-radius-sm: clamp(0.25rem, 0.15rem + 0.25vw, 0.5rem);
	--joyn-lv-radius-md: clamp(0.5rem, 0.3rem + 0.5vw, 1rem);
	--joyn-lv-space-xs: clamp(0.25rem, 0.1rem + 0.5vw, 0.75rem);
	--joyn-lv-space-sm: clamp(0.5rem, 0.2rem + 0.8vw, 1.25rem);
	--joyn-lv-space-md: clamp(1rem, 0.5rem + 1.5vw, 2.5rem);
	--joyn-lv-text-xs: clamp(0.625rem, 0.58rem + 0.15vw, 0.75rem);
	--joyn-lv-text-sm: clamp(0.875rem, 0.8rem + 0.2vw, 1rem);
	--joyn-lv-text-base: clamp(1rem, 0.9rem + 0.3vw, 1.25rem);
	--joyn-lv-text-lg: clamp(1.125rem, 1rem + 0.4vw, 1.5rem);
	--joyn-lv-text-xl: clamp(1.25rem, 1rem + 0.6vw, 1.75rem);
}

/* ── 라이트 테마 (미사용, 레슨 뷰어는 다크 전용) ── */
.joyn-lesson-viewer-fix.theme-light {
	--joyn-lv-bg: #F7F8FA;
	--joyn-lv-card: #FFFFFF;
	--joyn-lv-card2: #F3F4F6;
	--joyn-lv-t1: #111827;
	--joyn-lv-t2: #4B5563;
	--joyn-lv-t3: #9CA3AF;
	--joyn-lv-border: #E5E7EB;
}

/* 관리자 로그인 시에도 상단 빈 띠 제거 (admin bar는 숨기지만 html margin이 남는 경우) */
html:has(body.joyn-lesson-viewer-page) {
	margin-top: 0 !important;
	padding-top: 0 !important;
}

.joyn-lesson-viewer-page,
body.joyn-lesson-viewer-page {
	margin: 0 !important;
	padding: 0 !important;
}

.joyn-lesson-viewer-page #wpadminbar { display: none; }
.joyn-lesson-viewer-fix {
	font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
	background: var(--joyn-lv-bg);
	color: var(--joyn-lv-t1);
	font-size: var(--joyn-lv-text-sm);
	line-height: 1.5;
	min-height: 100vh;
	padding: 0 0 60px;
	-webkit-font-smoothing: antialiased;
}

/* 상단 바 */
.joyn-lesson-viewer-fix .joyn-lv-top-bar {
	position: sticky;
	top: 0;
	z-index: 100;
	background: var(--joyn-lv-bg);
	padding: var(--joyn-lv-space-xs) var(--joyn-lv-space-sm);
	padding-top: calc(12px + env(safe-area-inset-top));
	display: flex;
	align-items: center;
	gap: var(--joyn-lv-space-xs);
	border-bottom: 1px solid var(--joyn-lv-border);
}
.joyn-lesson-viewer-fix .joyn-lv-back-btn {
	display: flex;
	align-items: center;
	color: var(--joyn-lv-t1);
	text-decoration: none;
}
.joyn-lesson-viewer-fix .joyn-lv-back-btn i[class^="ri-"] { font-size: 24px; }
.joyn-lesson-viewer-fix .joyn-lv-top-info { flex: 1; overflow: hidden; margin-left: 4px; min-width: 0; }
.joyn-lesson-viewer-fix .joyn-lv-top-course {
	font-size: var(--joyn-lv-text-xs);
	color: var(--joyn-lv-t2);
	margin-bottom: 1px;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.joyn-lesson-viewer-fix .joyn-lv-top-lesson {
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	font-weight: 600;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}
.joyn-lesson-viewer-fix .joyn-lv-top-prog { font-size: var(--joyn-lv-text-xs); color: var(--joyn-lv-t2); flex-shrink: 0; }
.joyn-lesson-viewer-fix .joyn-lv-icon-btn {
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--joyn-lv-t2);
	border: none;
	background: none;
	cursor: pointer;
	border-radius: var(--joyn-lv-radius-sm);
}
.joyn-lesson-viewer-fix .joyn-lv-icon-btn i[class^="ri-"] { font-size: clamp(1.375rem, 1.2rem + 0.5vw, 1.75rem); }

/* 비디오 영역 */
.joyn-lesson-viewer-fix .joyn-lv-video-area {
	width: 100%;
	aspect-ratio: 16/9;
	background: #000;
	position: relative;
	overflow: hidden;
}
.joyn-lesson-viewer-fix .joyn-lv-video-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #0A0A0A;
}
.joyn-lesson-viewer-fix .joyn-lv-video-placeholder i[class^="ri-"] { font-size: 52px; color: rgba(255,255,255,.15); }
.joyn-lesson-viewer-fix .joyn-lv-video-inner { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.joyn-lesson-viewer-fix .joyn-lv-video-embed { width: 100%; height: 100%; }
.joyn-lesson-viewer-fix .joyn-lv-video-embed iframe,
.joyn-lesson-viewer-fix .joyn-lv-video-embed video { width: 100%; height: 100%; object-fit: contain; }
.joyn-lesson-viewer-fix .joyn-lv-video-top {
	position: absolute;
	top: 10px;
	left: 10px;
	display: flex;
	align-items: center;
	gap: 6px;
	pointer-events: none;
}
.joyn-lesson-viewer-fix .joyn-lv-vid-tag {
	font-size: var(--joyn-lv-text-xs);
	font-weight: 700;
	background: var(--joyn-lv-p);
	color: #fff;
	padding: 2px 7px;
	border-radius: 3px;
}
.joyn-lesson-viewer-fix .joyn-lv-vid-dur {
	font-size: var(--joyn-lv-text-xs);
	color: rgba(255,255,255,.7);
	display: flex;
	align-items: center;
	gap: 3px;
}
.joyn-lesson-viewer-fix .joyn-lv-vid-dur i { font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem); }
.joyn-lesson-viewer-fix .joyn-lv-vid-timer {
	position: absolute;
	bottom: 48px;
	right: 12px;
	font-size: var(--joyn-lv-text-xs);
	color: rgba(255,255,255,.6);
}
.joyn-lesson-viewer-fix .joyn-lv-vid-progress {
	position: absolute;
	bottom: 44px;
	left: 0;
	right: 0;
	height: 3px;
	background: rgba(255,255,255,.15);
	cursor: pointer;
}
.joyn-lesson-viewer-fix .joyn-lv-vid-fill {
	height: 100%;
	background: var(--joyn-lv-p);
	pointer-events: none;
	position: relative;
	transition: width 0.15s;
}
.joyn-lesson-viewer-fix .joyn-lv-vid-fill::after {
	content: '';
	position: absolute;
	right: -4px;
	top: -4px;
	width: 11px;
	height: 11px;
	background: #fff;
	border-radius: 50%;
	box-shadow: 0 0 4px rgba(0,0,0,.4);
}
.joyn-lesson-viewer-fix .joyn-lv-vid-controls {
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 44px;
	background: linear-gradient(transparent, rgba(0,0,0,.6));
	display: flex;
	align-items: center;
	padding: 0 8px;
	gap: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-vc-btn {
	width: 36px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	cursor: pointer;
	border-radius: 6px;
	text-decoration: none;
	border: none;
	background: none;
}
.joyn-lesson-viewer-fix .joyn-lv-vc-btn i { font-size: var(--joyn-lv-text-lg); }
.joyn-lesson-viewer-fix .joyn-lv-vc-spacer { flex: 1; }
.joyn-lesson-viewer-fix .joyn-lv-speed-btn {
	font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem);
	font-weight: 700;
	color: rgba(255,255,255,.8);
	cursor: pointer;
	padding: 4px 8px;
	border-radius: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-speed-btn:active { background: rgba(255,255,255,.1); }

/* 탭 — 좁은 화면에서도 라벨 한 줄(줄바꿈 방지). 내용 최소 너비보다 좁으면 가로 스크롤 */
.joyn-lesson-viewer-fix .joyn-lv-tabs {
	position: sticky;
	top: 0;
	z-index: 50;
	background: var(--joyn-lv-card);
	border-bottom: 1px solid var(--joyn-lv-border);
	display: flex;
	flex-wrap: nowrap;
	overflow-x: auto;
	overflow-y: hidden;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
	-ms-overflow-style: none;
}
.joyn-lesson-viewer-fix .joyn-lv-tabs::-webkit-scrollbar {
	height: 0;
	display: none;
}
.joyn-lesson-viewer-fix .joyn-lv-tab {
	flex: 1 0 auto;
	/* 한글 라벨: min-content는 글자 단위로 잡히는 경우 있음 → 한 줄 전체 너비 유지 */
	min-width: max-content;
	height: 42px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0 10px;
	box-sizing: border-box;
	font-size: clamp(0.75rem, 0.68rem + 0.22vw, 0.9375rem);
	font-weight: 500;
	color: var(--joyn-lv-t2);
	cursor: pointer;
	border: none;
	background: none;
	font-family: inherit;
	position: relative;
	transition: 0.15s;
	white-space: nowrap;
}
.joyn-lesson-viewer-fix .joyn-lv-tab.is-active { color: var(--joyn-lv-p); font-weight: 700; }
.joyn-lesson-viewer-fix .joyn-lv-tab.is-active::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 2px;
	background: var(--joyn-lv-p);
}

/* 탭 패널 */
.joyn-lesson-viewer-fix .joyn-lv-tab-panel {
	display: none;
	padding: var(--joyn-lv-space-sm);
	min-height: 200px;
}
.joyn-lesson-viewer-fix .joyn-lv-tab-panel.is-active { display: block; }

/* 학습내용 패널 */
.joyn-lesson-viewer-fix .joyn-lv-lesson-tag {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	font-size: var(--joyn-lv-text-xs);
	font-weight: 600;
	color: var(--joyn-lv-p);
	background: rgba(69,65,255,.12);
	padding: 3px 8px;
	border-radius: 4px;
	margin-bottom: 8px;
}
.joyn-lesson-viewer-fix .joyn-lv-lesson-title {
	font-size: clamp(1.0625rem, 0.95rem + 0.35vw, 1.3125rem);
	font-weight: 800;
	margin-bottom: 6px;
	line-height: 1.3;
}
.joyn-lesson-viewer-fix .joyn-lv-lesson-body {
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	color: var(--joyn-lv-t2);
	line-height: 1.8;
}
.joyn-lesson-viewer-fix .joyn-lv-lesson-body p { margin-bottom: 10px; }
.joyn-lesson-viewer-fix .joyn-lv-lesson-body strong { color: var(--joyn-lv-t1); }
.joyn-lesson-viewer-fix .joyn-lv-lesson-nav {
	display: flex;
	gap: var(--joyn-lv-space-xs);
	margin-top: 16px;
}
.joyn-lesson-viewer-fix .joyn-lv-nav-btn {
	flex: 1;
	height: 42px;
	background: var(--joyn-lv-card2);
	border: none;
	border-radius: var(--joyn-lv-radius-sm);
	color: var(--joyn-lv-t1);
	font-family: inherit;
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 5px;
	transition: 0.15s;
	text-decoration: none;
}
.joyn-lesson-viewer-fix .joyn-lv-nav-btn i[class^="ri-"] { font-size: var(--joyn-lv-text-lg); }
.joyn-lesson-viewer-fix .joyn-lv-nav-btn--primary { background: var(--joyn-lv-p); color: #fff; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-link-wrap { margin-top: 12px; width: 100%; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-link {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	height: 42px;
	padding: 0 16px;
	background: var(--joyn-lv-card2);
	border: 1px solid var(--joyn-lv-border);
	border-left: 3px solid var(--joyn-lv-p);
	border-radius: var(--joyn-lv-radius-sm);
	color: var(--joyn-lv-t1);
	font-family: inherit;
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	font-weight: 600;
	text-decoration: none;
	transition: 0.15s;
	box-sizing: border-box;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-link .ri-file-list-3-line { font-size: 1.25rem; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-link:hover {
	background: var(--joyn-lv-card);
	border-color: var(--joyn-lv-p);
	border-left-color: var(--joyn-lv-p);
	color: var(--joyn-lv-t1);
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-block { margin-bottom: 14px; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-block .joyn-lv-quiz-link { margin-bottom: 6px; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-best {
	display: block;
	font-size: 0.8125rem;
	color: var(--joyn-lv-t2);
	margin-bottom: 8px;
	padding-left: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-details {
	margin-top: 8px;
	border: 1px solid var(--joyn-lv-border);
	border-radius: var(--joyn-lv-radius-sm);
	background: var(--joyn-lv-card2);
	overflow: hidden;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-summary {
	padding: 10px 14px;
	font-size: 0.8125rem;
	font-weight: 600;
	color: var(--joyn-lv-t2);
	cursor: pointer;
	list-style: none;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-summary::-webkit-details-marker { display: none; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.75rem;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table th,
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table td {
	padding: 8px 10px;
	text-align: left;
	border-top: 1px solid var(--joyn-lv-border);
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table th {
	background: var(--joyn-lv-bg);
	color: var(--joyn-lv-t2);
	font-weight: 600;
}
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table .joyn-badge--success { background: rgba(22, 163, 74, 0.12); color: #16a34a; }
.joyn-lesson-viewer-fix .joyn-lv-quiz-history-table .joyn-badge--danger { background: rgba(220, 38, 38, 0.12); color: #dc2626; }
.joyn-lesson-viewer-fix .joyn-lv-complete-btn {
	width: 100%;
	height: 46px;
	background: var(--joyn-lv-card2);
	border: 1px solid var(--joyn-lv-border);
	border-radius: var(--joyn-lv-radius-sm);
	color: var(--joyn-lv-t2);
	font-family: inherit;
	font-size: clamp(0.9375rem, 0.85rem + 0.25vw, 1.125rem);
	font-weight: 500;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
	margin-top: 16px;
	transition: 0.15s;
}
.joyn-lesson-viewer-fix .joyn-lv-complete-btn:hover {
	background: var(--joyn-lv-card);
	border-color: var(--joyn-lv-t3);
	color: var(--joyn-lv-t1);
}
.joyn-lesson-viewer-fix .joyn-lv-complete-btn i[class^="ri-"] { font-size: var(--joyn-lv-text-xl); }
.joyn-lesson-viewer-fix .joyn-lv-complete-done { background: var(--joyn-lv-card2); color: var(--joyn-lv-t2); cursor: default; }
.joyn-lesson-viewer-fix .joyn-lv-auto-hint { font-size: var(--joyn-lv-text-sm); color: var(--joyn-lv-t2); margin-top: 12px; }

/* 자료 패널 */
.joyn-lesson-viewer-fix .joyn-lv-attach-item {
	display: flex;
	align-items: center;
	gap: var(--joyn-lv-space-xs);
	background: var(--joyn-lv-card2);
	border-radius: var(--joyn-lv-radius-sm);
	padding: var(--joyn-lv-space-xs);
	margin-bottom: 8px;
	cursor: pointer;
	text-decoration: none;
	color: inherit;
}
.joyn-lesson-viewer-fix .joyn-lv-attach-icon {
	width: 36px;
	height: 36px;
	background: var(--joyn-lv-border);
	border-radius: 6px;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}
.joyn-lesson-viewer-fix .joyn-lv-attach-icon i { font-size: var(--joyn-lv-text-lg); color: var(--joyn-lv-t2); }
.joyn-lesson-viewer-fix .joyn-lv-attach-name { font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem); font-weight: 500; }
.joyn-lesson-viewer-fix .joyn-lv-attach-size { font-size: var(--joyn-lv-text-xs); color: var(--joyn-lv-t3); margin-top: 1px; }
.joyn-lesson-viewer-fix .joyn-lv-attach-dl i { font-size: var(--joyn-lv-text-lg); color: var(--joyn-lv-t2); }
.joyn-lesson-viewer-fix .joyn-lv-no-results { color: var(--joyn-lv-t2); font-size: var(--joyn-lv-text-sm); }

/* Q&A 패널 */
.joyn-lesson-viewer-fix #joyn-lesson-qa {
	display: flex;
	flex-direction: column;
	gap: var(--joyn-lv-space-sm);
}
.joyn-lesson-viewer-fix .joyn-course-qa__form--question {
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-input {
	background: var(--joyn-lv-card2);
	border: 1px solid var(--joyn-lv-border);
	border-radius: var(--joyn-lv-radius-sm);
	width: 100%;
	min-height: 7.5rem;
	padding: 12px 14px;
	font-family: inherit;
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	color: var(--joyn-lv-t1);
	resize: vertical;
	outline: none;
	margin: 0;
	line-height: 1.6;
	box-sizing: border-box;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-input:focus { border-color: var(--joyn-lv-p); }
.joyn-lesson-viewer-fix .joyn-lv-qa-counsel-note {
	margin: 0;
	font-size: var(--joyn-lv-text-xs);
	color: var(--joyn-lv-t2);
	line-height: 1.55;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-submit {
	height: 40px;
	background: var(--joyn-lv-p);
	color: #fff;
	border: none;
	border-radius: var(--joyn-lv-radius-sm);
	font-family: inherit;
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	font-weight: 600;
	cursor: pointer;
	padding: 0 16px;
	display: inline-flex;
	align-items: center;
	gap: 5px;
	margin: 0;
	align-self: flex-start;
}
.joyn-lesson-viewer-fix .joyn-course-qa__list {
	margin-top: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-submit i[class^="ri-"] { font-size: var(--joyn-lv-text-base); }
.joyn-lesson-viewer-fix .joyn-lv-qa-item {
	margin-bottom: var(--joyn-lv-space-xs);
	background: var(--joyn-lv-card2);
	border-radius: var(--joyn-lv-radius-sm);
	padding: var(--joyn-lv-space-xs);
}
.joyn-lesson-viewer-fix .joyn-lv-qa-meta {
	display: flex;
	align-items: center;
	gap: 6px;
	margin-bottom: 6px;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-meta i { font-size: var(--joyn-lv-text-sm); color: var(--joyn-lv-t3); }
.joyn-lesson-viewer-fix .joyn-lv-qa-meta-name { font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem); font-weight: 600; }
.joyn-lesson-viewer-fix .joyn-lv-qa-meta-date { font-size: var(--joyn-lv-text-xs); color: var(--joyn-lv-t3); margin-left: auto; }
.joyn-lesson-viewer-fix .joyn-lv-qa-q {
	font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem);
	color: var(--joyn-lv-t1);
	margin-bottom: 8px;
	line-height: 1.6;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-reply {
	margin-left: 8px;
	border-left: 2px solid var(--joyn-lv-p);
	padding-left: 10px;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-reply-label {
	font-size: var(--joyn-lv-text-xs);
	font-weight: 700;
	color: var(--joyn-lv-p);
	margin-bottom: 3px;
	display: flex;
	align-items: center;
	gap: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-qa-reply-text {
	font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem);
	color: var(--joyn-lv-t2);
	line-height: 1.6;
}

/* 커리큘럼 패널 */
.joyn-lesson-viewer-fix .joyn-lv-curr-section-title {
	font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.875rem);
	font-weight: 700;
	color: var(--joyn-lv-t3);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	padding: 10px 0 4px;
	margin-top: 4px;
}
.joyn-lesson-viewer-fix .joyn-lv-curr-item {
	display: flex;
	align-items: center;
	gap: var(--joyn-lv-space-xs);
	padding: 8px 0;
	border-top: 1px solid var(--joyn-lv-border);
	cursor: pointer;
	text-decoration: none;
	color: inherit;
}
.joyn-lesson-viewer-fix .joyn-lv-curr-item i { font-size: var(--joyn-lv-text-base); flex-shrink: 0; }
.joyn-lesson-viewer-fix .joyn-lv-curr-item-title { flex: 1; font-size: clamp(0.8125rem, 0.75rem + 0.18vw, 0.9375rem); color: var(--joyn-lv-t2); min-width: 0; }
.joyn-lesson-viewer-fix .joyn-lv-curr-item.current .joyn-lv-curr-item-title { color: var(--joyn-lv-p); font-weight: 600; }
.joyn-lesson-viewer-fix .joyn-lv-curr-item.done .joyn-lv-curr-item-title { color: var(--joyn-lv-t3); }
.joyn-lesson-viewer-fix .joyn-lv-curr-dur { font-size: var(--joyn-lv-text-xs); color: var(--joyn-lv-t3); flex-shrink: 0; }

/* 레슨 뷰어는 다크 모드 전용 (테마 토글 제거됨) */

/* 과제 폼 (패널 0 내) */
.joyn-lesson-viewer-fix .joyn-lv-assignment .joyn-form-input {
	width: 100%;
	padding: 8px 12px;
	border: 1px solid var(--joyn-lv-border);
	border-radius: var(--joyn-lv-radius-sm);
	background: var(--joyn-lv-card2);
	color: var(--joyn-lv-t1);
	font-family: inherit;
	margin-top: 8px;
	box-sizing: border-box;
}

/* ════════════════════════════════════════════════════════════
   Gumlet HLS 커스텀 플레이어 사용 시 구형 컨트롤 완전 숨김
   조건: #joyn-gumlet-player-wrap(.jg-player) 가 렌더링된 경우
   - PHP 조건이 올바르더라도 CSS로 이중 차단
   - 마우스 오버 시 구형 요소가 절대 나타나지 않도록 보장
   ════════════════════════════════════════════════════════════ */

/* CSS :has() 방식 — Chrome 105+, Safari 15.4+, Firefox 121+ */
.joyn-lesson-viewer-fix .joyn-lv-video-area:has(#joyn-gumlet-player-wrap) .joyn-lv-vid-timer,
.joyn-lesson-viewer-fix .joyn-lv-video-area:has(#joyn-gumlet-player-wrap) .joyn-lv-vid-progress,
.joyn-lesson-viewer-fix .joyn-lv-video-area:has(#joyn-gumlet-player-wrap) .joyn-lv-vid-controls,
.joyn-lesson-viewer-fix .joyn-lv-video-area:has(#joyn-gumlet-player-wrap) .joyn-lv-speed-btn {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* 구형 브라우저 폴백 — ID 형제 선택자 (~) 방식 */
#joyn-gumlet-player-wrap ~ .joyn-lv-vid-timer,
#joyn-gumlet-player-wrap ~ .joyn-lv-vid-progress,
#joyn-gumlet-player-wrap ~ .joyn-lv-vid-controls {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* ════════════════════════════════════════════════════════════
   데스크톱: 좌측 영상 + 우측 학습정보 / 크게 보기 / 영역 전체화면
   ════════════════════════════════════════════════════════════ */

.joyn-lesson-viewer-fix .joyn-lv-main-layout {
	display: flex;
	flex-direction: column;
	margin-top: 0;
	padding-top: 0;
}

.joyn-lesson-viewer-fix .joyn-lv-video-toolbar {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	padding: 8px 10px;
	background: var(--joyn-lv-card2);
	border-bottom: 1px solid var(--joyn-lv-border);
}

.joyn-lesson-viewer-fix .joyn-lv-vtool-btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 12px;
	border-radius: var(--joyn-lv-radius-sm);
	border: 1px solid var(--joyn-lv-border);
	background: var(--joyn-lv-card);
	color: var(--joyn-lv-t1);
	font-size: clamp(0.75rem, 0.7rem + 0.12vw, 0.8125rem);
	font-weight: 600;
	cursor: pointer;
	font-family: inherit;
	transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.joyn-lesson-viewer-fix .joyn-lv-vtool-btn:hover {
	border-color: var(--joyn-lv-p);
	color: var(--joyn-lv-p);
}

.joyn-lesson-viewer-fix .joyn-lv-vtool-btn.is-active {
	background: rgba(69, 65, 255, 0.14);
	border-color: var(--joyn-lv-p);
	color: #a5a3ff;
}

.joyn-lesson-viewer-fix .joyn-lv-vtool-btn i[class^="ri-"] {
	font-size: 20px;
}

.joyn-lesson-viewer-fix .joyn-lv-video-stage {
	background: #000;
	position: relative;
}

/* 브라우저 전체화면: 영상 영역만 */
.joyn-lesson-viewer-fix .joyn-lv-video-stage:fullscreen,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:-webkit-full-screen {
	width: 100%;
	height: 100%;
	background: #000;
	display: flex;
	flex-direction: column;
}

.joyn-lesson-viewer-fix .joyn-lv-video-stage:fullscreen .joyn-lv-video-area,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:-webkit-full-screen .joyn-lv-video-area {
	flex: 1;
	width: 100% !important;
	max-height: none !important;
	aspect-ratio: unset !important;
	height: 100% !important;
	min-height: 0;
}

.joyn-lesson-viewer-fix .joyn-lv-video-stage:fullscreen .joyn-lv-video-inner,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:fullscreen .jg-player,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:fullscreen .joyn-lv-video-embed,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:-webkit-full-screen .joyn-lv-video-inner,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:-webkit-full-screen .jg-player,
.joyn-lesson-viewer-fix .joyn-lv-video-stage:-webkit-full-screen .joyn-lv-video-embed {
	min-height: 0;
	height: 100% !important;
}

@media (min-width: 992px) {
	/* 가로 65% 영상 / 35% 학습 정보 (비율 고정) */
	.joyn-lesson-viewer-fix .joyn-lv-main-layout:not(.joyn-lv-main-layout--no-media) {
		display: grid;
		grid-template-columns: 65fr 35fr;
		align-items: stretch;
		min-height: calc(100vh - 56px);
	}

	.joyn-lesson-viewer-fix .joyn-lv-main-layout--wide-video:not(.joyn-lv-main-layout--no-media) {
		grid-template-columns: 65fr 35fr;
	}

	.joyn-lesson-viewer-fix .joyn-lv-main-layout--no-media {
		display: block;
	}

	.joyn-lesson-viewer-fix .joyn-lv-main-layout--no-media .joyn-lv-video-area {
		display: none !important;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media {
		position: sticky;
		top: 0;
		align-self: stretch;
		display: flex;
		flex-direction: column;
		height: calc(100vh - 56px);
		max-height: calc(100vh - 56px);
		border-right: 1px solid var(--joyn-lv-border);
		background: #000;
		min-width: 0;
	}

	.joyn-lesson-viewer-fix .joyn-lv-video-toolbar {
		flex-shrink: 0;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-stage {
		flex: 1;
		min-height: 0;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	/* 65% 구간 안에서 영상은 90%만 채움 (여백 5%씩) */
	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-area {
		flex: none;
		width: 90%;
		height: 90%;
		max-width: 90%;
		max-height: 90%;
		position: relative;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-inner {
		position: absolute;
		inset: 0;
		width: 100% !important;
		height: 100% !important;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-embed {
		position: absolute;
		inset: 0;
		width: 100% !important;
		height: 100% !important;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-embed iframe,
	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lv-video-embed video {
		width: 100% !important;
		height: 100% !important;
		border: 0;
		object-fit: contain;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .jg-player {
		position: absolute;
		inset: 0;
		width: 100% !important;
		height: 100% !important;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media #joyn-gumlet-video {
		object-fit: contain;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media .joyn-lesson-live.joyn-lv-video-inner {
		position: absolute;
		inset: 0;
		min-height: 0;
		height: 100% !important;
		overflow: auto;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-sidebar {
		min-width: 0;
		min-height: calc(100vh - 56px);
		max-height: calc(100vh - 56px);
		overflow-y: auto;
		overflow-x: hidden;
		-webkit-overflow-scrolling: touch;
		background: var(--joyn-lv-bg);
		padding-top: 0;
		margin-top: 0;
		scroll-padding-top: 48px;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-sidebar .joyn-lv-tabs {
		position: sticky;
		top: 0;
		z-index: 30;
		background: var(--joyn-lv-card);
		box-shadow: 0 1px 0 var(--joyn-lv-border);
	}
}

.joyn-lv-discuss--standalone {
	margin-top: 16px;
	border: 1px solid var(--joyn-lv-border);
	border-radius: 12px;
	overflow: hidden;
}

.joyn-detail-discuss {
	margin-top: 8px;
	background: #0E0E14;
	border: 1px solid var(--joyn-lv-border, #2A2A38);
	border-radius: 12px;
	overflow: hidden;
	min-height: 280px;
}

.joyn-detail-discuss .hcjb-app--embed-lms-lesson {
	border-radius: 12px;
}

/* 강의 게시판 — 영상 아래 embed */
.joyn-lv-discuss {
	flex-shrink: 0;
	background: #0E0E14;
	border-top: 1px solid var(--joyn-lv-border);
	min-height: 220px;
	overflow-y: auto;
	-webkit-overflow-scrolling: touch;
}

@media (min-width: 992px) {
	/* 게시판 embed 시: 영상은 16:9만큼만, 아래 여백 없이 게시판 바로 연결 */
	.joyn-lesson-viewer-fix .joyn-lv-layout-media--with-discuss {
		height: auto;
		max-height: calc(100vh - 56px);
		overflow-y: auto;
		overflow-x: hidden;
		-webkit-overflow-scrolling: touch;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media--with-discuss .joyn-lv-video-stage {
		flex: 0 0 auto;
		min-height: 0;
		max-height: none;
		display: block;
		padding: 0;
	}

	.joyn-lesson-viewer-fix .joyn-lv-layout-media--with-discuss .joyn-lv-video-area {
		width: 100%;
		height: auto;
		max-width: 100%;
		max-height: none;
		aspect-ratio: 16 / 9;
		margin: 0;
	}

	.joyn-lv-discuss {
		flex: 0 0 auto;
		min-height: 200px;
		max-height: none;
	}
}

@media (max-width: 991px) {
	.joyn-lv-discuss {
		min-height: 260px;
	}
}

@media (max-width: 991px) {
	.joyn-lesson-viewer-fix .joyn-lv-layout-sidebar .joyn-lv-tabs {
		position: sticky;
		top: 0;
		z-index: 30;
		background: var(--joyn-lv-card);
	}
}