/* =========================================================
   CourseFlow — front end
   Palette: slate ink, paper, indigo signal, teal done, amber offer
   Type: Anek Bangla (display) + Hind Siliguri (body)
   Signature: the segmented "rail" — one bar per lesson
   ========================================================= */

.cfl {
	--cfl-ink: #15192b;
	--cfl-ink-2: #4a5170;
	--cfl-mute: #858ba6;
	--cfl-line: #e3e6ef;
	--cfl-paper: #f6f7fb;
	--cfl-card: #ffffff;
	--cfl-signal: #4b3fd6;
	--cfl-signal-soft: #eeecff;
	--cfl-done: #0e9c78;
	--cfl-offer: #d9820b;
	--cfl-stage: #0a0c14;
	--cfl-radius: 14px;
	--cfl-shadow: 0 1px 2px rgba(21, 25, 43, .06), 0 8px 24px rgba(21, 25, 43, .06);

	font-family: 'Hind Siliguri', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	color: var(--cfl-ink);
	line-height: 1.65;
	max-width: 1180px;
	margin: 0 auto;
	padding: 8px 0 48px;
}

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

.cfl h1, .cfl h2, .cfl h3, .cfl h4 {
	font-family: 'Anek Bangla', 'Hind Siliguri', sans-serif;
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -.01em;
	margin: 0 0 .4em;
}

.cfl-h1 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.cfl-h2 { font-size: 1.4rem; margin-top: 2rem; }
.cfl-h3 { font-size: 1.1rem; margin-top: 1.4rem; }

.cfl-eyebrow {
	font-size: .72rem;
	letter-spacing: .14em;
	text-transform: uppercase;
	color: var(--cfl-mute);
	margin: 0 0 .3em;
}

.cfl-meta { font-size: .87rem; color: var(--cfl-ink-2); margin: .3em 0; }
.cfl-warn { color: var(--cfl-offer); }
.cfl-empty { color: var(--cfl-ink-2); padding: 2rem 0; }

/* ---------- Buttons ---------- */

.cfl-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: .4em;
	background: var(--cfl-signal);
	color: #fff;
	border: 1px solid var(--cfl-signal);
	border-radius: 10px;
	padding: .7em 1.3em;
	font: 500 .95rem/1 'Hind Siliguri', sans-serif;
	text-decoration: none;
	cursor: pointer;
	transition: transform .12s ease, filter .12s ease;
}
.cfl-btn:hover { filter: brightness(1.08); color: #fff; }
.cfl-btn:active { transform: translateY(1px); }
.cfl-btn:focus-visible { outline: 3px solid var(--cfl-signal-soft); outline-offset: 2px; }
.cfl-btn[disabled] { opacity: .55; cursor: not-allowed; }
.cfl-btn-ghost { background: transparent; color: var(--cfl-signal); border-color: var(--cfl-line); }
.cfl-btn-ghost:hover { background: var(--cfl-signal-soft); color: var(--cfl-signal); }
.cfl-btn-sm { padding: .5em .9em; font-size: .85rem; }
.cfl-btn-block { width: 100%; }

/* ---------- Catalog ---------- */

.cfl-filter { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.cfl-filter input, .cfl-filter select {
	padding: .65em .9em;
	border: 1px solid var(--cfl-line);
	border-radius: 10px;
	font: inherit;
	background: var(--cfl-card);
}
.cfl-filter input { flex: 1 1 220px; }

.cfl-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 1.4rem;
}

.cfl-card {
	background: var(--cfl-card);
	border: 1px solid var(--cfl-line);
	border-radius: var(--cfl-radius);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: box-shadow .18s ease, transform .18s ease;
}
.cfl-card:hover { box-shadow: var(--cfl-shadow); transform: translateY(-2px); }
.cfl-card-media { position: relative; display: block; aspect-ratio: 16/9; background: var(--cfl-paper); }
.cfl-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cfl-card-fallback {
	position: absolute; inset: 0;
	display: grid; place-items: center;
	font-family: 'Anek Bangla', sans-serif;
	font-size: 2.2rem; color: var(--cfl-mute);
}
.cfl-flag {
	position: absolute; top: .7rem; left: .7rem;
	background: var(--cfl-offer); color: #fff;
	font-size: .72rem; font-weight: 600;
	padding: .28em .7em; border-radius: 999px;
}
.cfl-flag-live { background: #d64545; }

.cfl-card-body { padding: 1rem 1.1rem 1.1rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.cfl-card-body h3 { font-size: 1.02rem; margin: 0; }
.cfl-card-body h3 a { color: inherit; text-decoration: none; }
.cfl-card-body h3 a:hover { color: var(--cfl-signal); }
.cfl-card-foot { margin-top: auto; padding-top: .7rem; display: flex; align-items: center; justify-content: space-between; }
.cfl-price strong { font-size: 1.1rem; }
.cfl-price del { color: var(--cfl-mute); font-size: .85rem; margin-left: .4em; }

.cfl-pagination { display: flex; gap: .4rem; margin-top: 2rem; }
.cfl-pagination .page-numbers {
	padding: .45em .8em; border: 1px solid var(--cfl-line);
	border-radius: 8px; text-decoration: none; color: var(--cfl-ink);
}
.cfl-pagination .current { background: var(--cfl-signal); color: #fff; border-color: var(--cfl-signal); }

/* ---------- Single course ---------- */

.cfl-single { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 2.5rem; align-items: start; }
.cfl-prose { font-size: 1.02rem; }
.cfl-outcomes { list-style: none; padding: 0; display: grid; gap: .5rem; }
.cfl-outcomes li { padding-left: 1.6rem; position: relative; }
.cfl-outcomes li::before {
	content: '✓'; position: absolute; left: 0; top: 0;
	color: var(--cfl-done); font-weight: 700;
}

.cfl-buybox {
	position: sticky; top: 24px;
	background: var(--cfl-card);
	border: 1px solid var(--cfl-line);
	border-radius: var(--cfl-radius);
	padding: 1.4rem;
	box-shadow: var(--cfl-shadow);
}
.cfl-buy-price { display: flex; align-items: baseline; gap: .55rem; flex-wrap: wrap; margin-bottom: 1rem; }
.cfl-buy-price strong { font-size: 2rem; font-family: 'Anek Bangla', sans-serif; }
.cfl-buy-price del { color: var(--cfl-mute); }
.cfl-save { background: var(--cfl-signal-soft); color: var(--cfl-signal); font-size: .78rem; padding: .2em .6em; border-radius: 999px; }
.cfl-deadline { color: var(--cfl-offer); font-variant-numeric: tabular-nums; font-size: .9rem; margin: 0 0 .8rem; }
.cfl-owned { color: var(--cfl-done); font-weight: 600; }

.cfl-facts { list-style: none; padding: 1.1rem 0 0; margin: 1.1rem 0 0; border-top: 1px solid var(--cfl-line); display: grid; gap: .5rem; }
.cfl-facts li { display: flex; justify-content: space-between; font-size: .9rem; }
.cfl-facts span { color: var(--cfl-mute); }

.cfl-instructor { display: flex; gap: 1.2rem; align-items: flex-start; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--cfl-line); }
.cfl-instructor img { border-radius: 50%; }
.cfl-headline { color: var(--cfl-ink-2); font-weight: 500; }

/* ---------- Curriculum ---------- */

.cfl-curriculum { border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); overflow: hidden; }
.cfl-module + .cfl-module { border-top: 1px solid var(--cfl-line); }
.cfl-module > summary {
	cursor: pointer; padding: .95rem 1.1rem;
	background: var(--cfl-paper);
	font-family: 'Anek Bangla', sans-serif; font-weight: 600;
	display: flex; align-items: center; gap: .6rem;
}
.cfl-module > summary em { margin-left: auto; font-style: normal; font-size: .82rem; color: var(--cfl-mute); font-weight: 400; }
.cfl-mod-n { color: var(--cfl-signal); font-variant-numeric: tabular-nums; font-size: .8rem; }
.cfl-lessons { list-style: none; margin: 0; padding: 0; }
.cfl-lesson-row { display: flex; align-items: center; gap: .7rem; padding: .7rem 1.1rem; border-top: 1px solid var(--cfl-line); font-size: .93rem; }
.cfl-ico { color: var(--cfl-mute); width: 1em; }
.cfl-lesson-title { flex: 1; }
.cfl-tag { font-size: .78rem; color: var(--cfl-mute); }
.cfl-tag-preview { color: var(--cfl-signal); text-decoration: none; border: 1px solid var(--cfl-signal-soft); padding: .15em .55em; border-radius: 999px; }

/* ---------- The rail (signature) ---------- */

.cfl-rail { display: flex; gap: 2px; margin: .5rem 0; }
.cfl-rail-seg {
	flex: 1 1 0;
	height: 6px;
	min-width: 3px;
	border-radius: 2px;
	background: var(--cfl-line);
	transition: background .25s ease;
}
.cfl-rail-seg.is-done { background: var(--cfl-done); }

/* ---------- Dashboard ---------- */

.cfl-dash-head { margin-bottom: 1.2rem; }
.cfl-tabs { display: flex; gap: .3rem; flex-wrap: wrap; border-bottom: 1px solid var(--cfl-line); margin-bottom: 1.6rem; }
.cfl-tab {
	padding: .65em 1em; text-decoration: none; color: var(--cfl-ink-2);
	border-bottom: 2px solid transparent; font-weight: 500;
}
.cfl-tab:hover { color: var(--cfl-signal); }
.cfl-tab.is-active { color: var(--cfl-signal); border-bottom-color: var(--cfl-signal); }

.cfl-learn-list { display: grid; gap: 1rem; }
.cfl-learn {
	display: grid; grid-template-columns: 180px 1fr; gap: 1.2rem;
	background: var(--cfl-card); border: 1px solid var(--cfl-line);
	border-radius: var(--cfl-radius); overflow: hidden;
}
.cfl-learn-thumb { background: var(--cfl-paper); }
.cfl-learn-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.cfl-learn-body { padding: 1rem 1.2rem 1.2rem 0; }
.cfl-learn-body h3 { font-size: 1.05rem; }

.cfl-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.cfl-stats > div {
	background: var(--cfl-card); border: 1px solid var(--cfl-line);
	border-radius: var(--cfl-radius); padding: 1rem 1.1rem;
}
.cfl-stats span { display: block; font-size: .78rem; color: var(--cfl-mute); text-transform: uppercase; letter-spacing: .08em; }
.cfl-stats b { font-family: 'Anek Bangla', sans-serif; font-size: 1.5rem; }
.cfl-stats .is-highlight { background: var(--cfl-signal-soft); border-color: transparent; }
.cfl-stats .is-highlight b { color: var(--cfl-signal); }

.cfl-copyrow { display: flex; gap: .5rem; margin: .8rem 0 1.4rem; }
.cfl-copyrow input { flex: 1; padding: .65em .9em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; background: var(--cfl-paper); }

.cfl-live-list { list-style: none; padding: 0; display: grid; gap: .8rem; }
.cfl-live-list li {
	display: grid; grid-template-columns: 80px 1fr auto; gap: 1rem; align-items: center;
	background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: .9rem 1.1rem;
}
.cfl-live-when { text-align: center; border-right: 1px solid var(--cfl-line); padding-right: 1rem; }
.cfl-live-when b { display: block; font-family: 'Anek Bangla', sans-serif; }
.cfl-live-when span { font-size: .8rem; color: var(--cfl-mute); }
.cfl-live-what h4 { margin: 0; font-size: 1rem; }

.cfl-devices { list-style: none; padding: 0; display: grid; gap: .7rem; }
.cfl-devices li {
	display: flex; align-items: center; justify-content: space-between; gap: 1rem;
	background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: .9rem 1.1rem;
}

.cfl-table { width: 100%; border-collapse: collapse; background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); overflow: hidden; }
.cfl-table th, .cfl-table td { text-align: left; padding: .75rem 1rem; border-bottom: 1px solid var(--cfl-line); font-size: .9rem; }
.cfl-table th { background: var(--cfl-paper); font-weight: 600; }
.cfl-table tr:last-child td { border-bottom: 0; }

.cfl-pill { font-size: .75rem; padding: .2em .7em; border-radius: 999px; background: var(--cfl-paper); color: var(--cfl-ink-2); text-transform: capitalize; }
.cfl-pill-completed { background: #e2f6ef; color: var(--cfl-done); }
.cfl-pill-processing { background: #fdf1de; color: var(--cfl-offer); }
.cfl-pill-pending { background: var(--cfl-paper); }
.cfl-pill-refunded { background: #fbe7e7; color: #c0392b; }

/* ---------- Forms ---------- */

.cfl-form { display: grid; gap: .9rem; max-width: 460px; }
.cfl-form label { display: grid; gap: .3rem; font-size: .9rem; font-weight: 500; }
.cfl-form input, .cfl-form select, .cfl-form textarea {
	padding: .7em .9em; border: 1px solid var(--cfl-line); border-radius: 10px;
	font: inherit; font-weight: 400; background: var(--cfl-card);
}
.cfl-form input:focus, .cfl-form textarea:focus, .cfl-form select:focus { outline: 2px solid var(--cfl-signal); outline-offset: 1px; }
.cfl-form-msg, .cfl-coupon-msg, .cfl-checkout-msg { font-size: .88rem; min-height: 1.2em; }
.is-ok { color: var(--cfl-done); }
.is-bad { color: #c0392b; }

.cfl-notice { padding: .8rem 1.1rem; border-radius: 10px; font-size: .92rem; }
.cfl-notice-ok { background: #e2f6ef; color: var(--cfl-done); }
.cfl-notice-bad { background: #fbe7e7; color: #c0392b; }

/* ---------- Checkout ---------- */

.cfl-checkout-grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2rem; align-items: start; }
.cfl-gateways { display: grid; gap: .7rem; margin-bottom: 1.2rem; }
.cfl-gateway {
	display: flex; gap: .8rem; align-items: flex-start;
	border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius);
	padding: 1rem 1.1rem; cursor: pointer; background: var(--cfl-card);
}
.cfl-gateway:has(input:checked) { border-color: var(--cfl-signal); background: var(--cfl-signal-soft); }
.cfl-gateway b { display: block; }
.cfl-gateway em { font-style: normal; font-size: .86rem; color: var(--cfl-ink-2); }
.cfl-coupon { display: flex; gap: .5rem; }
.cfl-coupon input { flex: 1; padding: .7em .9em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; }

.cfl-summary { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1.3rem; position: sticky; top: 24px; }
.cfl-summary ul { list-style: none; padding: 0; margin: .8rem 0; }
.cfl-summary li { display: flex; justify-content: space-between; padding: .35rem 0; font-size: .92rem; }
.cfl-summary-total { border-top: 1px solid var(--cfl-line); margin-top: .5rem; padding-top: .7rem !important; font-size: 1.05rem !important; }
.cfl-summary-course { font-weight: 600; }

.cfl-await { max-width: 560px; }
.cfl-amount { font-family: 'Anek Bangla', sans-serif; font-size: 2.2rem; color: var(--cfl-signal); margin: .2em 0; }
.cfl-instructions { background: var(--cfl-paper); border-left: 3px solid var(--cfl-signal); padding: 1rem 1.2rem; border-radius: 0 10px 10px 0; margin-bottom: 1.4rem; }

/* ---------- Classroom ---------- */

.cfl-room { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 1.6rem; align-items: start; max-width: 1320px; }

.cfl-stage {
	position: relative;
	background: var(--cfl-stage);
	border-radius: var(--cfl-radius);
	overflow: hidden;
	user-select: none;
	-webkit-user-select: none;
}
.cfl-stage-inner { position: relative; aspect-ratio: 16/9; }
.cfl-stage-inner iframe, .cfl-stage-inner > div:first-child { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Shields sit over the YouTube chrome so its links can never be clicked. */
.cfl-shield { position: absolute; left: 0; right: 0; z-index: 3; }
.cfl-shield-top { top: 0; height: 70px; }
.cfl-shield-bottom { bottom: 0; height: 56px; }
.cfl-shield-face { inset: 0; z-index: 2; cursor: pointer; }

.cfl-watermark {
	position: absolute; z-index: 4;
	left: 12%; top: 20%;
	color: rgba(255, 255, 255, .34);
	font-size: .78rem;
	pointer-events: none;
	text-shadow: 0 1px 2px rgba(0, 0, 0, .5);
	transition: left 2s ease, top 2s ease;
}

.cfl-stage-msg {
	position: absolute; inset: 0; z-index: 5;
	display: grid; place-items: center;
	color: #cfd3e4; font-size: .95rem; text-align: center; padding: 2rem;
}
.cfl-stage-link { display: grid; place-items: center; gap: 1rem; padding: 3rem; color: #cfd3e4; }

.cfl-controls {
	display: flex; align-items: center; gap: .7rem;
	padding: .6rem .9rem;
	background: #11141f;
	color: #e6e8f2;
}
.cfl-controls button {
	background: transparent; border: 0; color: inherit;
	font-size: 1rem; cursor: pointer; padding: .25em .45em; border-radius: 6px;
}
.cfl-controls button:hover { background: rgba(255, 255, 255, .1); }
.cfl-controls button:focus-visible { outline: 2px solid var(--cfl-signal); }
.cfl-time { font-size: .8rem; font-variant-numeric: tabular-nums; color: #9aa0bd; min-width: 3.2em; }
.cfl-scrub { flex: 1; height: 6px; background: rgba(255, 255, 255, .16); border-radius: 3px; cursor: pointer; }
.cfl-scrub-fill { height: 100%; width: 0; background: var(--cfl-signal); border-radius: 3px; }

.cfl-lesson-head { margin-top: 1.2rem; }
.cfl-lesson-head h1 { font-size: 1.5rem; }
.cfl-lesson-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .8rem; }
.cfl-lesson-notes { margin-top: 1.6rem; }

.cfl-room-side { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); overflow: hidden; position: sticky; top: 20px; max-height: calc(100vh - 40px); display: flex; flex-direction: column; }
.cfl-side-head { padding: 1rem 1.1rem; border-bottom: 1px solid var(--cfl-line); }
.cfl-side-head p { margin: 0 0 .3rem; font-size: .85rem; color: var(--cfl-ink-2); }
.cfl-side-nav { overflow-y: auto; padding-bottom: .6rem; }
.cfl-side-mod {
	margin: 0; padding: .8rem 1.1rem .3rem;
	font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cfl-mute);
}
.cfl-side-nav ul { list-style: none; margin: 0; padding: 0; }
.cfl-side-lesson {
	display: flex; align-items: center; gap: .6rem;
	padding: .6rem 1.1rem; text-decoration: none; color: var(--cfl-ink); font-size: .9rem;
	border-left: 3px solid transparent;
}
.cfl-side-lesson:hover { background: var(--cfl-paper); }
.cfl-side-lesson.is-current { background: var(--cfl-signal-soft); border-left-color: var(--cfl-signal); color: var(--cfl-signal); font-weight: 600; }
.cfl-side-lesson.is-done .cfl-side-ico { color: var(--cfl-done); }
.cfl-side-lesson em { margin-left: auto; font-style: normal; font-size: .75rem; color: var(--cfl-mute); }
.cfl-side-ico { color: var(--cfl-mute); }

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
	.cfl-single, .cfl-room, .cfl-checkout-grid { grid-template-columns: 1fr; }
	.cfl-buybox, .cfl-summary, .cfl-room-side { position: static; max-height: none; }
	.cfl-room-side { order: 2; }
}

@media (max-width: 620px) {
	.cfl-learn { grid-template-columns: 1fr; }
	.cfl-learn-thumb { aspect-ratio: 16/9; }
	.cfl-learn-body { padding: 0 1.1rem 1.1rem; }
	.cfl-live-list li { grid-template-columns: 1fr; }
	.cfl-live-when { text-align: left; border-right: 0; border-bottom: 1px solid var(--cfl-line); padding: 0 0 .5rem; }
	.cfl-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
	.cfl *, .cfl *::before, .cfl *::after { transition: none !important; animation: none !important; }
}

/* =========================================================
   v1.1 — quizzes, assignments, reviews, discussion, alerts
   ========================================================= */

/* ---------- Ratings & reviews ---------- */

.cfl-stars { color: var(--cfl-line); letter-spacing: .06em; }
.cfl-star.is-on { color: var(--cfl-offer); }
.cfl-rating-line { display: flex; align-items: center; gap: .5rem; font-size: .92rem; margin: 0 0 1rem; }
.cfl-rating-line a { color: var(--cfl-signal); }

.cfl-reviews { padding-top: 2rem; border-top: 1px solid var(--cfl-line); margin-top: 2.5rem; }
.cfl-rating-summary { display: grid; grid-template-columns: 150px 1fr; gap: 2rem; align-items: center; margin-bottom: 1.6rem; }
.cfl-rating-big { text-align: center; }
.cfl-rating-big b { display: block; font-family: 'Anek Bangla', sans-serif; font-size: 2.8rem; line-height: 1; }
.cfl-rating-big span { display: block; font-size: .82rem; color: var(--cfl-mute); margin-top: .3rem; }
.cfl-rating-bars { display: grid; gap: .35rem; }
.cfl-rating-bar { display: grid; grid-template-columns: 34px 1fr 34px; gap: .6rem; align-items: center; font-size: .8rem; color: var(--cfl-mute); }
.cfl-rating-bar > div { height: 7px; background: var(--cfl-line); border-radius: 4px; overflow: hidden; }
.cfl-rating-bar i { display: block; height: 100%; background: var(--cfl-offer); }
.cfl-rating-bar em { font-style: normal; text-align: right; }

.cfl-star-pick { display: inline-flex; flex-direction: row-reverse; gap: .1rem; }
.cfl-star-pick input { position: absolute; opacity: 0; width: 0; }
.cfl-star-pick span { font-size: 1.7rem; color: var(--cfl-line); cursor: pointer; line-height: 1; }
.cfl-star-pick label:hover span,
.cfl-star-pick label:hover ~ label span,
.cfl-star-pick input:checked ~ span,
.cfl-star-pick label:has(input:checked) span,
.cfl-star-pick label:has(input:checked) ~ label span { color: var(--cfl-offer); }
.cfl-star-pick input:focus-visible + span { outline: 2px solid var(--cfl-signal); }

.cfl-review-form { max-width: 560px; margin: 1.4rem 0 2rem; }
.cfl-review-list { list-style: none; padding: 0; display: grid; gap: 1.2rem; }
.cfl-review-list > li { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1.1rem 1.3rem; }
.cfl-review-head { display: flex; align-items: center; gap: .7rem; margin-bottom: .5rem; }
.cfl-review-head img { border-radius: 50%; }
.cfl-review-head .cfl-stars { margin-left: auto; }
.cfl-verified { display: block; font-size: .74rem; color: var(--cfl-done); }
.cfl-review-title { font-weight: 600; margin: .2rem 0; }
.cfl-review-reply { border-left: 3px solid var(--cfl-signal); background: var(--cfl-signal-soft); padding: .7rem 1rem; border-radius: 0 10px 10px 0; margin-top: .8rem; }
.cfl-review-reply b { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--cfl-signal); }
.cfl-review-reply p { margin: .2rem 0 0; }
.cfl-helpful { background: none; border: 1px solid var(--cfl-line); border-radius: 999px; padding: .3em .9em; font: inherit; font-size: .8rem; color: var(--cfl-ink-2); cursor: pointer; margin-top: .7rem; }
.cfl-helpful.is-on, .cfl-helpful:hover { border-color: var(--cfl-signal); color: var(--cfl-signal); }

/* ---------- Bundles ---------- */

.cfl-bundle { list-style: none; padding: 0; border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); overflow: hidden; }
.cfl-bundle li { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1.1rem; border-bottom: 1px solid var(--cfl-line); }
.cfl-bundle li:last-child { border-bottom: 0; }
.cfl-bundle a { color: var(--cfl-ink); text-decoration: none; font-weight: 500; }
.cfl-bundle a:hover { color: var(--cfl-signal); }
.cfl-bundle span { color: var(--cfl-mute); font-size: .88rem; }
.cfl-bundle-save { color: var(--cfl-done); font-weight: 600; }

.cfl-wish.is-on { border-color: var(--cfl-signal); color: var(--cfl-signal); background: var(--cfl-signal-soft); }
.cfl-tag-drip { color: var(--cfl-signal); }

/* ---------- Locked / file / assignment panels ---------- */

.cfl-locked, .cfl-filebox, .cfl-assign, .cfl-quiz-intro {
	background: var(--cfl-card);
	border: 1px solid var(--cfl-line);
	border-radius: var(--cfl-radius);
	padding: 2rem;
	text-align: center;
}
.cfl-assign { text-align: left; }
.cfl-locked-ico { display: block; font-size: 2rem; color: var(--cfl-signal); margin-bottom: .4rem; }
.cfl-locked h2, .cfl-filebox h2, .cfl-assign h2, .cfl-quiz-intro h2 { font-family: 'Anek Bangla', sans-serif; font-size: 1.3rem; margin-bottom: .4rem; }
.cfl-locked p { color: var(--cfl-ink-2); max-width: 44ch; margin-inline: auto; }

.cfl-quiz-facts { list-style: none; padding: 0; margin: 1.2rem 0; display: flex; flex-wrap: wrap; gap: 1.6rem; justify-content: center; }
.cfl-assign .cfl-quiz-facts { justify-content: flex-start; }
.cfl-quiz-facts span { display: block; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cfl-mute); }
.cfl-quiz-facts b { font-family: 'Anek Bangla', sans-serif; font-size: 1.2rem; }

.cfl-assign-status { background: var(--cfl-paper); border-radius: 10px; padding: 1rem 1.2rem; margin: 1.2rem 0; }
.cfl-assign-feedback { border-left: 3px solid var(--cfl-signal); padding-left: .9rem; margin-top: .6rem; }
.cfl-assign-feedback b { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--cfl-signal); }

/* ---------- Quiz runner ---------- */

.cfl-quiz-run { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1.6rem; }
.cfl-quiz-bar { display: flex; justify-content: space-between; align-items: center; padding-bottom: 1rem; margin-bottom: 1.2rem; border-bottom: 1px solid var(--cfl-line); font-size: .85rem; color: var(--cfl-mute); }
.cfl-quiz-timer { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--cfl-ink); background: var(--cfl-paper); padding: .25em .8em; border-radius: 999px; }
.cfl-quiz-timer.is-urgent { color: #c0392b; background: #fbe7e7; }

.cfl-q { padding: 1.2rem 0; border-bottom: 1px solid var(--cfl-line); }
.cfl-q:last-of-type { border-bottom: 0; }
.cfl-q-num { font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--cfl-mute); margin: 0 0 .3rem; }
.cfl-q-num em { font-style: normal; color: var(--cfl-signal); }
.cfl-q-text { font-weight: 600; margin-bottom: .8rem; }
.cfl-q-body { display: grid; gap: .45rem; }
.cfl-opt { display: flex; align-items: flex-start; gap: .6rem; border: 1px solid var(--cfl-line); border-radius: 10px; padding: .65rem .9rem; cursor: pointer; }
.cfl-opt:hover { border-color: var(--cfl-signal); }
.cfl-opt:has(input:checked) { border-color: var(--cfl-signal); background: var(--cfl-signal-soft); }
.cfl-q-input { width: 100%; padding: .7em .9em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; }
.cfl-match { display: grid; gap: .5rem; }
.cfl-match-row { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; align-items: center; }
.cfl-match-row select { padding: .55em .8em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; }

.cfl-quiz-result { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1.6rem; text-align: center; }
.cfl-score { display: inline-grid; gap: .2rem; padding: 1.4rem 2.4rem; border-radius: var(--cfl-radius); margin-bottom: 1.2rem; }
.cfl-score b { font-family: 'Anek Bangla', sans-serif; font-size: 3rem; line-height: 1; }
.cfl-score span { font-weight: 600; }
.cfl-score em { font-style: normal; font-size: .82rem; opacity: .75; }
.cfl-score.is-pass { background: #e2f6ef; color: var(--cfl-done); }
.cfl-score.is-fail { background: #fbe7e7; color: #c0392b; }
.cfl-score.is-pending { background: var(--cfl-paper); color: var(--cfl-ink-2); }

.cfl-review-answers { list-style: none; padding: 0; text-align: left; display: grid; gap: .8rem; margin: 1.4rem 0; }
.cfl-review-answers li { border-left: 3px solid var(--cfl-line); padding: .5rem 0 .5rem 1rem; }
.cfl-review-answers li.is-right { border-left-color: var(--cfl-done); }
.cfl-review-answers li.is-wrong { border-left-color: #c0392b; }
.cfl-review-answers p { margin: .15rem 0; }
.cfl-q-explain { font-size: .87rem; color: var(--cfl-ink-2); background: var(--cfl-paper); padding: .5rem .8rem; border-radius: 8px; }

/* ---------- Discussion ---------- */

.cfl-discussion { margin-top: 2.4rem; padding-top: 1.6rem; border-top: 1px solid var(--cfl-line); }
.cfl-ask { max-width: none; }
.cfl-ask textarea { padding: .8em .95em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; }
.cfl-thread { list-style: none; padding: 0; display: grid; gap: 1rem; margin-top: 1.4rem; }
.cfl-thread > li { background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1rem 1.2rem; }
.cfl-thread-head { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; margin-bottom: .35rem; }
.cfl-thread-head img { border-radius: 50%; }
.cfl-badge { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; background: var(--cfl-signal-soft); color: var(--cfl-signal); padding: .15em .6em; border-radius: 999px; }
.cfl-thread-replies { list-style: none; margin: .8rem 0 0; padding: 0 0 0 1rem; border-left: 2px solid var(--cfl-line); display: grid; gap: .7rem; }
.cfl-reply-toggle { background: none; border: 0; color: var(--cfl-signal); font: inherit; font-size: .85rem; cursor: pointer; padding: .2rem 0; }
.cfl-reply-form { margin-top: .6rem; max-width: none; }
.cfl-reply-form textarea { padding: .6em .8em; border: 1px solid var(--cfl-line); border-radius: 10px; font: inherit; }

/* ---------- Certificates, alerts ---------- */

.cfl-cert-list { display: grid; gap: .8rem; }
.cfl-cert-card { display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: 1rem 1.2rem; }
.cfl-cert-card h3 { margin: 0; font-size: 1.02rem; }
.cfl-cert-card code { font-size: .78rem; }

.cfl-alerts { list-style: none; padding: 0; display: grid; gap: .6rem; }
.cfl-alerts li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--cfl-card); border: 1px solid var(--cfl-line); border-radius: var(--cfl-radius); padding: .9rem 1.1rem; }
.cfl-alerts li.is-new { border-left: 3px solid var(--cfl-signal); background: var(--cfl-signal-soft); }
.cfl-alerts b { display: block; }
.cfl-alerts p { margin: .15rem 0; font-size: .9rem; color: var(--cfl-ink-2); }

.cfl-side-lesson.is-locked { opacity: .55; }
.cfl-side-lesson.is-locked em { color: var(--cfl-signal); }

@media (max-width: 620px) {
	.cfl-rating-summary { grid-template-columns: 1fr; gap: 1rem; }
	.cfl-match-row { grid-template-columns: 1fr; }
	.cfl-cert-card, .cfl-alerts li { flex-direction: column; align-items: flex-start; }
}