.cc-curriculum {
  --cc-header-color: #2c2c2c;
  --cc-border-color: #e5e5e5;
  --cc-text-color: #444;
  --cc-muted-color: #888;
  --cc-bg: #fff;
  --cc-bg-subtle: #fff;
  --cc-hover-bg: #fafafa;
  --cc-free-bg: #fff;
  --cc-free-color: #3d7a3d;
  --cc-check-color: #3d7a3d;
  color: var(--cc-text-color);
  font-size: 15px;
  line-height: 1.5;
}

.cc-curriculum *,
.cc-curriculum *::before,
.cc-curriculum *::after {
	box-sizing: border-box;
}

.cc-curriculum ul,
.cc-curriculum li {
	margin: 0;
	padding: 0;
	list-style: none;
}

.cc-curriculum button {
	appearance: none;
	-webkit-appearance: none;
	margin: 0;
	padding: 0;
	border: none;
	border-radius: 0;
	background: none;
	box-shadow: none;
	font: inherit;
	color: inherit;
	text-align: inherit;
	text-transform: none;
	letter-spacing: normal;
	line-height: inherit;
	cursor: pointer;
	outline: none;
}

.cc-curriculum button:focus-visible {
	outline: 2px solid #999;
	outline-offset: 2px;
}

/* Stats */
.cc-curriculum__stats {
	display: flex;
	flex-wrap: wrap;
	gap: 12px 20px;
	margin-bottom: 20px;
	padding-bottom: 16px;
	border-bottom: 1px solid var(--cc-border-color);
}

.cc-stat {
	font-size: 14px;
	font-weight: 500;
	color: var(--cc-muted-color);
}

.cc-curriculum__empty {
	color: var(--cc-muted-color);
	font-style: italic;
	font-size: 14px;
}

/* Accordion — minimal flat layout */
.cc-accordion {
	border: 1px solid var(--cc-border-color);
	border-radius: 4px;
	overflow: hidden;
	background: var(--cc-bg);
}

.cc-section + .cc-section {
	border-top: 1px solid var(--cc-border-color);
}

.cc-section__header {
	width: 100%;
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 14px 16px;
	background-color: var(--cc-bg) !important;
	color: var(--cc-header-color) !important;
	text-align: left;
	transition: background-color 0.15s ease;
}

.cc-section__header:hover,
.cc-section__header:focus {
	background-color: var(--cc-hover-bg) !important;
	color: var(--cc-header-color) !important;
}

.cc-section__title {
	flex: 1;
	font-size: 15px;
	font-weight: 600;
	color: var(--cc-header-color);
}

.cc-section__count {
	font-size: 13px;
	font-weight: 400;
	color: var(--cc-muted-color);
}

.cc-section__toggle {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--cc-muted-color);
}

.cc-section__toggle::before {
	content: "+";
	font-size: 16px;
	font-weight: 400;
	line-height: 1;
}

.cc-section__header[aria-expanded="true"] .cc-section__toggle::before {
	content: "−";
}

.cc-section__lessons {
	border-top: 1px solid var(--cc-border-color);
	background: var(--cc-bg-subtle);
}

.cc-lesson-list {
	padding: 4px 0;
}

.cc-lesson + .cc-lesson {
	border-top: 1px solid var(--cc-border-color);
}

.cc-lesson__button {
	width: 100%;
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 11px 16px 11px 20px;
	background-color: transparent !important;
	color: var(--cc-text-color) !important;
	text-align: left;
	transition: background-color 0.15s ease;
}

.cc-lesson__button:hover:not(:disabled),
.cc-lesson__button:focus:not(:disabled) {
	background-color: var(--cc-hover-bg) !important;
	color: var(--cc-text-color) !important;
}

.cc-lesson__button:disabled {
	cursor: not-allowed;
	opacity: 0.5;
}

.cc-lesson__title {
	flex: 1;
	font-size: 14px;
	font-weight: 400;
	color: var(--cc-text-color);
}

.cc-lesson__duration {
	font-size: 12px;
	color: var(--cc-muted-color);
	white-space: nowrap;
}

.cc-lesson__badge {
	font-size: 10px;
	font-weight: 600;
	padding: 2px 7px;
	border-radius: 3px;
	background: var(--cc-free-bg);
	color: var(--cc-free-color);
	text-transform: uppercase;
	letter-spacing: 0.03em;
}

.cc-lesson__lock {
	font-size: 13px;
	opacity: 0.45;
	line-height: 1;
}

.cc-lesson__check {
	color: var(--cc-check-color);
	font-size: 13px;
	font-weight: 600;
	line-height: 1;
}

.cc-lesson--viewed .cc-lesson__title {
	color: var(--cc-muted-color);
}

/* Layout: Modern */
.cc-layout--modern .cc-accordion {
	border-radius: 8px;
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.cc-layout--modern .cc-section__header {
	padding: 16px 20px;
}

/* Layout: Minimal */
.cc-layout--minimal .cc-curriculum__stats {
	border-bottom: 1px solid var(--cc-border-color);
	padding-bottom: 12px;
	margin-bottom: 16px;
}

.cc-layout--minimal .cc-accordion {
	border: none;
	border-radius: 0;
}

.cc-layout--minimal .cc-section + .cc-section {
	border-top: 1px solid var(--cc-border-color);
}

.cc-layout--minimal .cc-section__header {
	padding: 12px 0;
	background-color: transparent !important;
}

.cc-layout--minimal .cc-section__header:hover {
	background-color: transparent !important;
}

.cc-layout--minimal .cc-section__lessons {
	border-top: none;
	background: transparent;
}

.cc-layout--minimal .cc-lesson__button {
	padding: 10px 0 10px 12px;
}

.cc-layout--minimal .cc-lesson + .cc-lesson {
	border-top: none;
}

/* Popup */
.cc-popup[hidden] {
	display: none !important;
}

.cc-popup {
	position: fixed;
	inset: 0;
	z-index: 99999;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.cc-popup__overlay {
	position: absolute;
	inset: 0;
	background: rgba(0, 0, 0, 0.5);
}

.cc-popup__dialog {
	position: relative;
	max-width: 860px;
	width: calc(100% - 32px);
	max-height: calc(100vh - 48px);
	margin: 24px auto;
	background: #fff;
	border-radius: 6px;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	z-index: 1;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.cc-popup__close {
	position: absolute;
	top: 10px;
	right: 14px;
	z-index: 2;
	width: 32px;
	height: 32px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: none !important;
	border: none !important;
	box-shadow: none !important;
	font-size: 24px;
	line-height: 1;
	cursor: pointer;
	color: #555 !important;
}

.cc-popup__close:hover {
	color: #222 !important;
	background: none !important;
}

.cc-popup__content {
	padding: 24px;
	overflow-y: auto;
	color: #444;
}

.cc-popup-lesson__title {
	margin: 0 0 16px;
	padding-right: 36px;
	font-size: 20px;
	font-weight: 600;
	color: #2c2c2c;
}

.cc-popup-lesson__video {
	margin-bottom: 20px;
}

.cc-popup-lesson__video iframe,
.cc-popup-lesson__video video {
	width: 100%;
	max-width: 100%;
	aspect-ratio: 16 / 9;
	height: auto;
}

.cc-popup-lesson__content {
	line-height: 1.7;
	color: #444;
}

.cc-popup-lesson__content img {
	max-width: 100%;
	height: auto;
}

.cc-popup__loading,
.cc-popup__error {
	padding: 40px 20px;
	text-align: center;
	color: #666;
}

.cc-popup__error {
	color: #a00;
}

body.cc-popup-open {
	overflow: hidden;
}

.cc-curriculum--placeholder,
.cc-curriculum--preview {
	padding: 20px;
	border: 1px dashed #ccc;
	border-radius: 4px;
	color: #666;
}