/**
 * StretchLearn connector — front-end styles.
 *
 * Tokens mirror the StretchLearn design system (colors_and_type.css) but are
 * scoped to .swpl-root so they never leak into, or inherit from, the host
 * theme. Amethyst / iris-violet brand, Inter type, soft cards.
 */

.swpl-root {
	/* Surfaces */
	--swpl-bg: #FAFBFD;
	--swpl-surface: #FFFFFF;
	--swpl-border: #E2E8F0;
	--swpl-border-strong: #CBD5E1;
	/* Ink */
	--swpl-ink: #0D111C;
	--swpl-ink-muted: #475569;
	--swpl-ink-subtle: #758195;
	/* Brand (amethyst) */
	--swpl-brand-50: #F5F2FE;
	--swpl-brand-100: #EBE4FE;
	--swpl-brand-200: #D8C9FC;
	--swpl-brand-500: #8E4FF0;
	--swpl-brand-600: #7A2FE0;
	--swpl-brand-700: #6321C9;
	--swpl-accent: #0EA5E9;
	/* Semantic */
	--swpl-soft: #F5F2FE;
	--swpl-soft-fg: #6321C9;
	--swpl-track: #EEF2F7;
	--swpl-ok-bg: #ECFDF5;
	--swpl-ok-fg: #047857;
	--swpl-ok-bd: #A7F3D0;
	--swpl-mute-bg: #F1F5F9;
	--swpl-mute-fg: #64748B;
	/* Radii + shadow */
	--swpl-r-card: 0.5rem;
	--swpl-r-panel: 0.75rem;
	--swpl-r-marketing: 1.125rem;
	--swpl-r-pill: 999px;
	--swpl-shadow-card: 0 1px 0 0 rgb(15 23 42 / 0.04), 0 1px 3px 0 rgb(15 23 42 / 0.06);
	--swpl-shadow-panel: 0 1px 0 0 rgb(15 23 42 / 0.05), 0 10px 30px -12px rgb(15 23 42 / 0.18);
	/* Type */
	--swpl-font: "InterVariable", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

	color: var(--swpl-ink);
	font-family: var(--swpl-font);
	line-height: 1.6;
}

@media (prefers-color-scheme: dark) {
	.swpl-root:not(.swpl-light) {
		--swpl-bg: #080A12;
		--swpl-surface: #10131E;
		--swpl-border: #212940;
		--swpl-border-strong: #323D56;
		--swpl-ink: #EBF0FC;
		--swpl-ink-muted: #A7B2C9;
		--swpl-ink-subtle: #7A869C;
		--swpl-brand-50: #241046;
		--swpl-brand-100: #2D165C;
		--swpl-brand-200: #5B3FA0;
		--swpl-brand-500: #A06CF5;
		--swpl-brand-600: #8E4FF0;
		--swpl-brand-700: #A574F7;
		--swpl-accent: #38BDF8;
		--swpl-soft: rgb(142 79 240 / 0.18);
		--swpl-soft-fg: #CBB6FF;
		--swpl-track: rgb(255 255 255 / 0.10);
		--swpl-mute-bg: rgb(255 255 255 / 0.06);
		--swpl-mute-fg: #94A3B8;
		--swpl-shadow-card: 0 1px 0 0 rgb(0 0 0 / 0.30), 0 1px 3px 0 rgb(0 0 0 / 0.40);
		--swpl-shadow-panel: 0 1px 0 0 rgb(0 0 0 / 0.30), 0 14px 34px -14px rgb(0 0 0 / 0.62);
	}
}

.swpl-root.swpl-dark {
	--swpl-bg: #080A12;
	--swpl-surface: #10131E;
	--swpl-border: #212940;
	--swpl-border-strong: #323D56;
	--swpl-ink: #EBF0FC;
	--swpl-ink-muted: #A7B2C9;
	--swpl-ink-subtle: #7A869C;
	--swpl-brand-50: #241046;
	--swpl-brand-100: #2D165C;
	--swpl-brand-200: #5B3FA0;
	--swpl-brand-500: #A06CF5;
	--swpl-brand-600: #8E4FF0;
	--swpl-brand-700: #A574F7;
	--swpl-accent: #38BDF8;
	--swpl-soft: rgb(142 79 240 / 0.18);
	--swpl-soft-fg: #CBB6FF;
	--swpl-track: rgb(255 255 255 / 0.10);
	--swpl-mute-bg: rgb(255 255 255 / 0.06);
	--swpl-mute-fg: #94A3B8;
}

.swpl-root * {
	box-sizing: border-box;
}

.swpl-root h1,
.swpl-root h2,
.swpl-root h3 {
	color: var(--swpl-ink);
	line-height: 1.2;
	margin: 0 0 0.5em;
}

.swpl-root p {
	color: var(--swpl-ink-muted);
	margin: 0 0 1em;
}

.swpl-eyebrow {
	display: inline-block;
	font-size: 0.78rem;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--swpl-brand-600);
	margin-bottom: 0.4rem;
}

.swpl-lead {
	font-size: 1.125rem;
	color: var(--swpl-ink-muted);
}

.swpl-meta {
	font-size: 0.75rem;
	color: var(--swpl-ink-subtle);
}

/* Grid + cards --------------------------------------------------------- */
.swpl-grid {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.swpl-cols-1 { grid-template-columns: 1fr; }
.swpl-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.swpl-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.swpl-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 900px) {
	.swpl-cols-2,
	.swpl-cols-3,
	.swpl-cols-4 { grid-template-columns: 1fr; }
}

.swpl-card {
	display: flex;
	flex-direction: column;
	background: var(--swpl-surface);
	border: 1px solid var(--swpl-border);
	border-radius: var(--swpl-r-marketing);
	box-shadow: var(--swpl-shadow-card);
	overflow: hidden;
	transition: box-shadow 200ms cubic-bezier(0.22, 1, 0.36, 1), transform 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.swpl-card:hover {
	box-shadow: var(--swpl-shadow-panel);
	transform: translateY(-2px);
}

.swpl-card-cover {
	aspect-ratio: 16 / 9;
	background: var(--swpl-brand-50);
}

.swpl-card-cover img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.swpl-card-cover--fallback {
	background: linear-gradient(135deg, var(--swpl-brand-500) 0%, var(--swpl-brand-700) 55%, var(--swpl-accent) 100%);
}

.swpl-card-body {
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
	padding: 1.1rem 1.15rem 1.25rem;
}

.swpl-card-top {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
}

.swpl-card-title {
	font-size: 1.1rem;
	margin: 0;
}

.swpl-card-title a {
	color: var(--swpl-ink);
	text-decoration: none;
}

.swpl-card-title a:hover {
	color: var(--swpl-brand-600);
}

.swpl-card-summary {
	font-size: 0.9rem;
	margin: 0;
	flex: 1;
}

.swpl-card-meta {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	flex-wrap: wrap;
}

.swpl-card-foot {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	margin-top: 0.35rem;
}

/* Pills, badges, chips ------------------------------------------------- */
.swpl-pill {
	display: inline-block;
	font-size: 0.7rem;
	font-weight: 600;
	padding: 0.15rem 0.55rem;
	border-radius: var(--swpl-r-pill);
	background: var(--swpl-soft);
	color: var(--swpl-soft-fg);
}

.swpl-badge {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	font-size: 0.7rem;
	font-weight: 600;
	padding: 0.15rem 0.55rem;
	border-radius: var(--swpl-r-pill);
	background: var(--swpl-mute-bg);
	color: var(--swpl-mute-fg);
}

.swpl-badge--accent { background: var(--swpl-brand-100); color: var(--swpl-brand-700); }
.swpl-badge--success { background: var(--swpl-ok-bg); color: var(--swpl-ok-fg); }
.swpl-badge--muted { background: var(--swpl-mute-bg); color: var(--swpl-mute-fg); }

.swpl-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 1.25rem;
}

.swpl-chip {
	font: inherit;
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
	padding: 0.4rem 0.9rem;
	border-radius: var(--swpl-r-pill);
	border: 1px solid var(--swpl-border);
	background: var(--swpl-surface);
	color: var(--swpl-ink-muted);
	transition: all 120ms ease;
}

.swpl-chip:hover { border-color: var(--swpl-brand-200); }
.swpl-chip.is-active {
	background: var(--swpl-brand-600);
	border-color: var(--swpl-brand-600);
	color: #fff;
}

/* Buttons -------------------------------------------------------------- */
.swpl-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	font: inherit;
	font-weight: 600;
	font-size: 0.9rem;
	line-height: 1;
	cursor: pointer;
	padding: 0.6rem 1.05rem;
	border-radius: var(--swpl-r-card);
	border: 1px solid transparent;
	text-decoration: none;
	transition: background 150ms ease, border-color 150ms ease, opacity 150ms ease;
}

.swpl-btn:disabled { opacity: 0.6; cursor: default; }

.swpl-btn--primary {
	background: var(--swpl-brand-600);
	color: #fff;
}
.swpl-btn--primary:hover { background: var(--swpl-brand-700); color: #fff; }

.swpl-btn--ghost {
	background: transparent;
	border-color: var(--swpl-border-strong);
	color: var(--swpl-ink);
}
.swpl-btn--ghost:hover { border-color: var(--swpl-brand-500); color: var(--swpl-brand-600); }

.swpl-btn.is-done { background: var(--swpl-ok-fg); }

/* Panels --------------------------------------------------------------- */
.swpl-panel {
	background: var(--swpl-surface);
	border: 1px solid var(--swpl-border);
	border-radius: var(--swpl-r-panel);
	padding: 1.4rem 1.5rem;
	margin: 0 0 1.25rem;
}

.swpl-panel h2 { font-size: 1.25rem; }

.swpl-notice { color: var(--swpl-ink-muted); }
.swpl-notice--error { border-color: #FECDD3; background: #FFF1F2; color: #BE123C; }

.swpl-empty {
	text-align: center;
	padding: 3rem 1rem;
	color: var(--swpl-ink-subtle);
	border: 1px dashed var(--swpl-border-strong);
	border-radius: var(--swpl-r-panel);
}

/* Course hero + layout ------------------------------------------------- */
.swpl-course-hero {
	background: var(--swpl-surface);
	border: 1px solid var(--swpl-border);
	border-radius: var(--swpl-r-marketing);
	padding: 2rem;
	margin-bottom: 1.5rem;
	background-image: radial-gradient(60% 60% at 100% 0%, rgb(142 79 240 / 0.10) 0%, transparent 70%);
}

.swpl-course-title { font-size: 2rem; }

.swpl-course-grid {
	display: grid;
	grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
	gap: 1.5rem;
	align-items: start;
}

@media (max-width: 900px) {
	.swpl-course-grid { grid-template-columns: 1fr; }
}

.swpl-metrics {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
	margin: 1.25rem 0;
}

.swpl-metric { font-size: 0.85rem; color: var(--swpl-ink-muted); }
.swpl-metric strong { color: var(--swpl-ink); font-size: 1rem; }

.swpl-cta { display: flex; align-items: center; gap: 0.75rem; margin-top: 1rem; }
.swpl-enroll-status, .swpl-lesson-status { font-size: 0.85rem; color: var(--swpl-brand-600); }

.swpl-outcomes { margin: 0; padding-left: 1.1rem; }
.swpl-outcomes li { color: var(--swpl-ink-muted); margin-bottom: 0.4rem; }

/* Curriculum ----------------------------------------------------------- */
.swpl-modules { display: flex; flex-direction: column; gap: 0.6rem; }

.swpl-module {
	border: 1px solid var(--swpl-border);
	border-radius: var(--swpl-r-card);
	overflow: hidden;
}

.swpl-module-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	padding: 0.85rem 1rem;
	cursor: pointer;
	background: var(--swpl-bg);
	font-weight: 600;
	color: var(--swpl-ink);
	list-style: none;
}

.swpl-module-head::-webkit-details-marker { display: none; }
.swpl-module-title { font-weight: 600; }

.swpl-lessons { list-style: none; margin: 0; padding: 0.35rem 0; }

.swpl-lesson {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding: 0.55rem 1rem;
	font-size: 0.92rem;
}

.swpl-lesson + .swpl-lesson { border-top: 1px solid var(--swpl-border); }
.swpl-lesson-link { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--swpl-ink); flex: 1; }
.swpl-lesson-link:hover .swpl-lesson-title { color: var(--swpl-brand-600); }
.swpl-lesson-title { flex: 1; }
.swpl-lesson--locked { color: var(--swpl-ink-subtle); }
.swpl-lesson--locked .swpl-lesson-title { flex: 1; }
.swpl-lock { font-size: 0.85rem; }

.swpl-lesson-type {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: var(--swpl-r-pill);
	background: var(--swpl-brand-400, var(--swpl-brand-500));
	flex: 0 0 auto;
}
.swpl-lesson-type[data-type="video"] { background: var(--swpl-accent); }
.swpl-lesson-type[data-type="assessment"] { background: #EAB308; }

/* Lesson player -------------------------------------------------------- */
.swpl-lesson-player { max-width: 820px; }
.swpl-back { display: inline-block; margin-bottom: 1rem; color: var(--swpl-brand-600); text-decoration: none; font-size: 0.9rem; }
.swpl-lesson-header { margin-bottom: 1.25rem; }

.swpl-video {
	position: relative;
	margin-bottom: 1.5rem;
	border-radius: var(--swpl-r-panel);
	overflow: hidden;
	background: #000;
}
.swpl-video iframe,
.swpl-video video { width: 100%; aspect-ratio: 16 / 9; display: block; border: 0; }

.swpl-prose { color: var(--swpl-ink-muted); }
.swpl-prose h2, .swpl-prose h3 { color: var(--swpl-ink); margin-top: 1.5rem; }
.swpl-prose img { max-width: 100%; height: auto; border-radius: var(--swpl-r-card); }

.swpl-lesson-actions { display: flex; align-items: center; gap: 0.75rem; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--swpl-border); }

.swpl-gate {
	text-align: center;
	padding: 2.5rem 1.5rem;
	background: var(--swpl-brand-50);
	border: 1px solid var(--swpl-brand-200);
	border-radius: var(--swpl-r-panel);
}
.swpl-gate .swpl-cta { justify-content: center; }

/* Progress ------------------------------------------------------------- */
.swpl-progress {
	position: relative;
	height: 8px;
	width: 100%;
	background: var(--swpl-track);
	border-radius: var(--swpl-r-pill);
	overflow: hidden;
	margin: 0.75rem 0;
}
.swpl-progress > span {
	position: absolute;
	inset: 0 auto 0 0;
	background: linear-gradient(90deg, var(--swpl-brand-500), var(--swpl-brand-600));
	border-radius: inherit;
}

/* Dashboard ------------------------------------------------------------ */
.swpl-dash-title { font-size: 1.5rem; margin-bottom: 1.25rem; }
.swpl-signin { text-align: center; }
.swpl-signin .swpl-cta { justify-content: center; }
.swpl-enroll-card .swpl-card-body { padding: 1.25rem 1.35rem; }

/* Auth (login / register) --------------------------------------------- */
.swpl-auth {
	max-width: 30rem;
	margin: 0 auto;
}

.swpl-auth-title { font-size: 1.4rem; margin-bottom: 1.1rem; }

.swpl-auth-field {
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
	margin: 0 0 1rem;
}

.swpl-auth-field label {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--swpl-ink);
}

.swpl-auth-field input {
	font: inherit;
	font-size: 0.95rem;
	color: var(--swpl-ink);
	background: var(--swpl-bg);
	border: 1px solid var(--swpl-border-strong);
	border-radius: var(--swpl-r-card);
	padding: 0.6rem 0.75rem;
	width: 100%;
	transition: border-color 150ms ease, box-shadow 150ms ease;
}

.swpl-auth-field input:focus {
	outline: none;
	border-color: var(--swpl-brand-500);
	box-shadow: 0 0 0 3px var(--swpl-soft);
}

.swpl-auth-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0 1rem;
}

@media (max-width: 480px) {
	.swpl-auth-row { grid-template-columns: 1fr; }
}

.swpl-auth-hint { font-size: 0.75rem; color: var(--swpl-ink-subtle); }
.swpl-auth-req { color: var(--swpl-brand-600); }

.swpl-auth-check {
	display: flex;
	align-items: center;
	gap: 0.45rem;
	font-size: 0.85rem;
	color: var(--swpl-ink-muted);
	margin: 0 0 1rem;
}

.swpl-auth-submit { width: 100%; margin-top: 0.25rem; }

.swpl-auth-alt {
	margin-top: 1.1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--swpl-border);
	font-size: 0.85rem;
	color: var(--swpl-ink-muted);
}

.swpl-auth-alt a { color: var(--swpl-brand-600); text-decoration: none; }
.swpl-auth-alt a:hover { text-decoration: underline; }

.swpl-auth-errors {
	margin: 0 0 1.1rem;
	padding: 0.75rem 1rem;
	border-radius: var(--swpl-r-card);
	border: 1px solid #FECDD3;
	background: #FFF1F2;
	color: #BE123C;
}

.swpl-auth-errors ul { margin: 0; padding-left: 1.1rem; }
.swpl-auth-errors li { font-size: 0.85rem; }

.swpl-auth-account .swpl-btn { margin-right: 0.5rem; }
.swpl-auth-logout { display: inline-block; margin-top: 0.5rem; }

/* Honeypot: visually and semantically hidden, but present in the DOM. */
.swpl-hp {
	position: absolute !important;
	left: -9999px !important;
	top: auto;
	width: 1px;
	height: 1px;
	overflow: hidden;
}

/* "Powered by StretchLearn" mark (free plan only) --------------------- */
.swpl-powered {
	margin-top: 1.5rem;
	text-align: center;
	font-size: 0.75rem;
	color: var(--swpl-ink-subtle);
}

.swpl-powered a {
	color: var(--swpl-brand-600);
	font-weight: 600;
	text-decoration: none;
}

.swpl-powered a:hover { text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
	.swpl-root * { transition: none !important; }
}