.wcca-course-flow {
	--wcca-flow-bg: #f5f5f5;
	--wcca-flow-card: #ffffff;
	--wcca-flow-card-active: #ebebeb;
	--wcca-flow-text: #1a1a1a;
	--wcca-flow-muted: #666666;
	--wcca-flow-green: #22c55e;
	--wcca-flow-green-dark: #16a34a;
	--wcca-flow-accent: #111111;
	--wcca-flow-radius: 16px;
	--wcca-flow-radius-sm: 10px;
	--wcca-flow-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
	--wcca-flow-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
	width: 100%;
	max-width: 900px;
	margin: 0 auto;
	padding: 16px;
	background: var(--wcca-flow-bg);
	border-radius: var(--wcca-flow-radius);
	box-sizing: border-box;
	color: var(--wcca-flow-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

.wcca-course-flow *,
.wcca-course-flow *::before,
.wcca-course-flow *::after {
	box-sizing: border-box;
}

.wcca-flow-app {
	display: flex;
	flex-direction: column;
	gap: 12px;
	width: 100%;
}

.wcca-flow-hero {
	position: relative;
	height: var(--wcca-hero-height, 200px);
	overflow: hidden;
	background: linear-gradient(135deg, #2d2d2d 0%, #4a4a4a 100%);
	border-radius: var(--wcca-flow-radius);
	box-shadow: var(--wcca-flow-shadow-lg);
}

.wcca-flow-hero::before {
	content: "";
	position: absolute;
	right: 20%;
	bottom: 0;
	width: 130px;
	height: 185px;
	background: linear-gradient(to top, rgba(180, 140, 140, 0.6), rgba(200, 160, 160, 0.3));
	border-radius: 60px 60px 0 0;
	clip-path: ellipse(45% 100% at 50% 100%);
	opacity: 0.5;
}

.wcca-flow-hero.has-image::before {
	display: none;
}

.wcca-flow-hero__image {
	position: absolute;
	inset: 0;
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.wcca-flow-hero__overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 16px;
	background: linear-gradient(to bottom, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.55) 100%);
}

.wcca-flow-hero__title {
	color: #ffffff;
	font-size: 20px;
	font-weight: 700;
	line-height: 1.25;
	text-align: center;
	text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.wcca-flow-content {
	display: flex;
	flex-direction: column;
	gap: 12px;
	overflow: hidden;
}

.wcca-flow-screen {
	display: none;
	flex-direction: column;
	gap: 12px;
}

.wcca-flow-screen.is-active {
	display: flex;
}

@keyframes wccaFlowSlideIn {
	from { opacity: 0; transform: translateX(18px); }
	to { opacity: 1; transform: translateX(0); }
}

@keyframes wccaFlowSlideBack {
	from { opacity: 0; transform: translateX(-18px); }
	to { opacity: 1; transform: translateX(0); }
}

.wcca-flow-screen.anim-forward {
	animation: wccaFlowSlideIn 0.2s ease forwards;
}

.wcca-flow-screen.anim-back {
	animation: wccaFlowSlideBack 0.2s ease forwards;
}

.wcca-flow-section-label {
	padding: 0 2px;
	color: var(--wcca-flow-muted);
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.06em;
	line-height: 1.2;
	text-transform: uppercase;
}

.wcca-flow-list-item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 18px 20px;
	background: var(--wcca-flow-card);
	border: 0;
	border-radius: var(--wcca-flow-radius);
	box-shadow: var(--wcca-flow-shadow);
	color: var(--wcca-flow-text);
	cursor: pointer;
	text-align: left;
	text-decoration: none;
	transition: background 0.15s, transform 0.12s;
	user-select: none;
	width: 100%;
}

.wcca-flow-list-item:visited {
	color: inherit;
}

.wcca-flow-list-item--has-thumb {
	padding: 0 20px 0 0;
	overflow: hidden;
}

.wcca-flow-list-item:hover {
	background: var(--wcca-flow-card-active);
	transform: translateY(-1px);
}

.wcca-flow-list-item.is-completed {
	background: #dcfce7;
}

.wcca-flow-list-item__thumb {
	flex-shrink: 0;
	width: 160px;
	aspect-ratio: 4 / 3;
	max-height: 120px;
	border-radius: 0;
	object-fit: cover;
	background: #d1d5db;
}

.wcca-flow-list-item__left {
	display: flex;
	flex-direction: column;
	flex: 1;
	gap: 3px;
	min-width: 0;
}

.wcca-flow-list-item__title {
	color: var(--wcca-flow-text);
	font-size: 16px;
	font-weight: 500;
	line-height: 1.3;
	overflow-wrap: anywhere;
}

.wcca-flow-list-item.is-completed .wcca-flow-list-item__title {
	color: var(--wcca-flow-green-dark);
}

.wcca-flow-list-item__right {
	display: flex;
	align-items: center;
	flex-shrink: 0;
	gap: 8px;
	color: var(--wcca-flow-muted);
}

.wcca-flow-progress-text {
	color: var(--wcca-flow-muted);
	font-size: 14px;
	line-height: 1.2;
}

.wcca-flow-progress {
	width: 80px;
	height: 4px;
	margin-top: 4px;
	overflow: hidden;
	background: #d1d5db;
	border-radius: 99px;
}

.wcca-flow-progress__bar {
	display: block;
	height: 100%;
	background: var(--wcca-flow-green);
	border-radius: 99px;
	transition: width 0.4s ease;
}

.wcca-flow-breadcrumb {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 6px;
	min-height: 40px;
	padding: 4px 0 6px;
	color: var(--wcca-flow-muted);
	font-size: 15px;
	line-height: 1.35;
}

.wcca-flow-breadcrumb__back {
	display: inline-flex;
	flex-shrink: 0;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	background: var(--wcca-flow-card-active);
	border-radius: 50%;
	color: var(--wcca-flow-muted);
	cursor: pointer;
	text-decoration: none;
	transition: background 0.15s, box-shadow 0.15s, transform 0.12s;
}

.wcca-flow-breadcrumb__back svg {
	width: 18px;
	height: 18px;
}

.wcca-flow-breadcrumb__back:hover {
	color: var(--wcca-flow-text);
	box-shadow: var(--wcca-flow-shadow);
	transform: translateY(-1px);
}

.wcca-flow-breadcrumb__back:active {
	box-shadow: none;
	transform: translateY(0);
}

.wcca-flow-breadcrumb__back:visited {
	color: var(--wcca-flow-muted);
}

.wcca-flow-breadcrumb__link {
	display: inline-flex;
	align-items: center;
	padding: 2px 4px 2px 0;
	background: transparent;
	border: 0;
	color: var(--wcca-flow-muted);
	cursor: pointer;
	font: inherit;
	text-decoration: none;
}

.wcca-flow-breadcrumb__link:hover {
	color: var(--wcca-flow-text);
	text-decoration: underline;
}

.wcca-flow-breadcrumb__link:visited {
	color: var(--wcca-flow-muted);
}

.wcca-flow-breadcrumb__sep {
	color: #cccccc;
	padding: 0 2px;
}

.wcca-flow-breadcrumb__current {
	color: var(--wcca-flow-text);
	font-weight: 600;
}

.wcca-flow-lesson {
	overflow: hidden;
	background: var(--wcca-flow-card);
	border-radius: var(--wcca-flow-radius);
	box-shadow: var(--wcca-flow-shadow);
	transition: box-shadow 0.2s;
}

.wcca-flow-lesson.is-active {
	box-shadow: 0 4px 16px rgba(34, 197, 94, 0.18);
}

.wcca-flow-lesson__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	width: 100%;
	padding: 16px 18px;
	background: transparent;
	border: 0;
	color: inherit;
	cursor: pointer;
	text-align: left;
	user-select: none;
}

.wcca-flow-lesson__header:hover {
	opacity: 0.85;
}

.wcca-flow-lesson__left {
	display: flex;
	flex-direction: column;
	gap: 2px;
	min-width: 0;
}

.wcca-flow-lesson__name {
	color: var(--wcca-flow-text);
	font-size: 15px;
	font-weight: 500;
	line-height: 1.35;
	overflow-wrap: anywhere;
}

.wcca-flow-lesson__duration {
	color: var(--wcca-flow-muted);
	font-size: 13px;
	line-height: 1.3;
}

.wcca-flow-lesson__right {
	display: flex;
	align-items: center;
	flex-shrink: 0;
	gap: 8px;
}

.wcca-flow-badge {
	display: none;
	align-items: center;
	gap: 4px;
	padding: 3px 10px 3px 6px;
	background: #dcfce7;
	border-radius: 99px;
	color: var(--wcca-flow-green-dark);
	font-size: 12px;
	font-weight: 600;
}

.wcca-flow-lesson.is-done .wcca-flow-badge {
	display: inline-flex;
}

.wcca-flow-chevron {
	display: inline-flex;
	align-items: center;
	color: var(--wcca-flow-muted);
	transition: transform 0.25s ease;
}

.wcca-flow-lesson.is-open .wcca-flow-chevron {
	transform: rotate(90deg);
}

.wcca-flow-lesson__body {
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.3s ease;
}

.wcca-flow-lesson.is-open .wcca-flow-lesson__body {
	max-height: 760px;
}

.wcca-flow-video {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	background: #1f1f1f;
}

.wcca-flow-video iframe {
	display: block;
	width: 100%;
	height: 100%;
	border: 0;
}

.wcca-flow-video:fullscreen,
.wcca-flow-video:-webkit-full-screen {
	width: 100vw;
	height: 100vh;
	aspect-ratio: auto;
}

.wcca-flow-video-thumb {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	padding: 0;
	border: 0;
	background: #000000;
	cursor: pointer;
}

.wcca-flow-video-thumb__img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.wcca-flow-video-thumb__play {
	position: absolute;
	top: 50%;
	left: 50%;
	display: flex;
	width: 64px;
	height: 64px;
	transform: translate(-50%, -50%);
	filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.45));
	pointer-events: none;
}

.wcca-flow-video-thumb__play svg {
	width: 100%;
	height: 100%;
}

.wcca-flow-video__placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 100%;
	padding: 18px;
	color: #777777;
	font-size: 13px;
	text-align: center;
}

.wcca-flow-action {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: calc(100% - 32px);
	margin: 12px 16px 16px;
	padding: 13px 18px;
	background: var(--wcca-flow-green);
	border: 0;
	border-radius: var(--wcca-flow-radius-sm);
	color: #ffffff;
	cursor: pointer;
	font-size: 14px;
	font-weight: 600;
	transition: background 0.15s, transform 0.12s;
}

.wcca-flow-action:hover {
	background: var(--wcca-flow-green-dark);
	transform: translateY(-1px);
}

.wcca-flow-action--undo {
	display: none;
	background: #ff5c5f;
}

.wcca-flow-action--undo:hover {
	background: #e03e41;
}

.wcca-flow-lesson.is-done .wcca-flow-action--complete {
	display: none;
}

.wcca-flow-lesson.is-done .wcca-flow-action--undo {
	display: flex;
}

.wcca-flow-day-complete {
	display: none;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 24px 20px;
	background: #dcfce7;
	border-radius: var(--wcca-flow-radius);
	box-shadow: 0 2px 12px rgba(34, 197, 94, 0.15);
	color: #166534;
	text-align: center;
}

.wcca-flow-day-complete.is-visible {
	display: flex;
}

.wcca-flow-day-complete__title {
	color: var(--wcca-flow-green-dark);
	font-size: 17px;
	font-weight: 700;
}

.wcca-flow-day-complete__sub {
	color: #166534;
	font-size: 14px;
	line-height: 1.5;
	opacity: 0.85;
}

.wcca-flow-panel {
	padding: 20px 18px;
	background: var(--wcca-flow-card);
	border-radius: var(--wcca-flow-radius);
	box-shadow: var(--wcca-flow-shadow);
}

.wcca-flow-panel-title {
	padding: 4px 2px;
	color: var(--wcca-flow-text);
	font-size: 15px;
	font-weight: 700;
}

.wcca-flow-overview {
	display: flex;
	flex-direction: column;
	gap: 0;
}

.wcca-flow-step {
	position: relative;
	display: flex;
	align-items: flex-start;
	gap: 16px;
}

.wcca-flow-step:not(:last-child)::after {
	content: "";
	position: absolute;
	top: 40px;
	left: 19px;
	width: 2px;
	height: calc(100% - 16px);
	background: linear-gradient(to bottom, #d1d5db, #e5e7eb);
}

.wcca-flow-dot {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	flex: 0 0 40px;
	width: 40px;
	height: 40px;
	background: var(--wcca-flow-card);
	border: 2px solid #d1d5db;
	border-radius: 50%;
	color: var(--wcca-flow-text);
	font-size: 12px;
	font-weight: 700;
}

.wcca-flow-dot.is-active {
	background: var(--wcca-flow-accent);
	border-color: var(--wcca-flow-accent);
	color: #ffffff;
}

.wcca-flow-dot.is-done {
	background: #dcfce7;
	border-color: var(--wcca-flow-green);
	color: var(--wcca-flow-green-dark);
}

.wcca-flow-step__content {
	flex: 1;
	padding: 10px 0 24px;
}

.wcca-flow-step__title {
	color: var(--wcca-flow-text);
	font-size: 14px;
	font-weight: 600;
	line-height: 1.35;
}

.wcca-flow-step__sub {
	margin-top: 2px;
	color: var(--wcca-flow-muted);
	font-size: 12px;
	line-height: 1.35;
}

.wcca-flow-thumb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 28px;
	height: 28px;
	padding: 0;
	background: transparent;
	border: 1px solid #d1d5db;
	border-radius: 6px;
	color: var(--wcca-flow-muted);
	cursor: pointer;
	transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.wcca-flow-thumb-btn:hover,
.wcca-flow-thumb-btn.is-active {
	background: #f0fdf4;
	border-color: var(--wcca-flow-green);
	color: var(--wcca-flow-green-dark);
}

.wcca-flow-editable {
	border-radius: 4px;
	outline: 1px dashed rgba(56, 88, 233, 0.28);
	outline-offset: 2px;
}

.wcca-flow-editable:focus {
	background: rgba(255, 255, 255, 0.75);
	outline-color: #3858e9;
}

.wcca-flow-error {
	padding: 14px;
	background: #fcf0f1;
	border: 1px solid #d63638;
	border-radius: 8px;
	color: #8a2424;
}

.wcca-course-missing {
	padding: 12px;
	background: #fff8e5;
	border: 1px solid #dba617;
	border-radius: 6px;
}

@media (max-width: 480px) {
	.wcca-course-flow {
		padding: 12px;
	}

	.wcca-flow-hero {
		height: var(--wcca-hero-height-mobile, 150px);
	}

	.wcca-flow-hero__title {
		font-size: 17px;
	}

	.wcca-flow-list-item {
		padding: 14px 16px;
	}

	.wcca-flow-list-item--has-thumb {
		padding: 0 16px 0 0;
	}

	.wcca-flow-list-item__title {
		font-size: 15px;
	}

	.wcca-flow-list-item__thumb {
		width: 120px;
		max-height: 90px;
	}
}