/* ==========================================================================
   Lens & Lattice – Frontend
   Weiß, Navy, feine Linien, klare Ecken.
   ========================================================================== */

@font-face {
	font-family: "Afacad";
	src: url("../fonts/afacad-latin-variable.woff2") format("woff2");
	font-weight: 400 700;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: "Afacad";
	src: url("../fonts/afacad-latin-variable-italic.woff2") format("woff2");
	font-weight: 400 700;
	font-style: italic;
	font-display: swap;
}

:root {
	--navy: #1d2f4b;
	--navy-soft: #2c4368;
	--ink: #1c2430;
	--muted: #6a707a;
	--line: #e3e1db;
	--line-strong: #cfccc4;
	--paper: #ffffff;
	--tint: #f7f6f2;
	--ok: #2f6b4f;
	--warn: #8a5a14;
	--err: #9b2c2c;
	--font: "Afacad", "Helvetica Neue", Helvetica, Arial, sans-serif;
	--w: 1200px;
	--gutter: clamp(16px, 4vw, 40px);
	--track: .08em;
	--shadow-media: 0 18px 44px -26px rgba(29, 47, 75, .55), 0 3px 10px -6px rgba(29, 47, 75, .22);
	--shadow-card: 0 10px 28px -20px rgba(29, 47, 75, .45), 0 2px 6px -4px rgba(29, 47, 75, .16);
	--shadow-card-hover: 0 18px 40px -22px rgba(29, 47, 75, .5), 0 3px 8px -4px rgba(29, 47, 75, .18);
	--shadow-header: 0 1px 0 var(--line), 0 10px 26px -22px rgba(29, 47, 75, .5);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--font);
	font-size: 18px;
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
[hidden] { display: none !important; }

.llt-main { flex: 1; padding-bottom: 96px; }
.llt-container { width: 100%; max-width: calc(var(--w) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter); }
.llt-muted { color: var(--muted); }

.llt-icon { flex: none; vertical-align: -3px; }

/* ---------- Typo ---------- */
.llt-eyebrow {
	margin: 0 0 12px;
	font-size: 13px;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: var(--muted);
}
.llt-title {
	margin: 0;
	font-weight: 500;
	font-size: clamp(34px, 5vw, 56px);
	line-height: 1.05;
	letter-spacing: -.01em;
	color: var(--navy);
}
.llt-title--lesson { font-size: clamp(28px, 3.4vw, 40px); }
.llt-lead { margin: 16px 0 0; font-size: 21px; color: var(--muted); max-width: 640px; }
.llt-section { margin-top: 72px; }
.llt-section__title {
	margin: 0 0 20px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: .18em;
	text-transform: uppercase;
	color: var(--navy);
}
.llt-section__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.llt-section__bar .llt-section__title { margin: 0; }
.llt-page-head { padding-top: 64px; padding-bottom: 40px; }

.llt-prose { max-width: 720px; }
.llt-prose h2, .llt-prose h3 { color: var(--navy); font-weight: 600; line-height: 1.2; margin: 1.6em 0 .5em; }
.llt-prose ul, .llt-prose ol { padding-left: 1.2em; }
.llt-prose blockquote { margin: 1.5em 0; padding-left: 20px; border-left: 1px solid var(--navy); color: var(--muted); }

/* ---------- Buttons ---------- */
.llt-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 13px 26px;
	border: 1px solid var(--navy);
	background: var(--navy);
	color: #fff;
	font-size: 15px;
	font-weight: 500;
	letter-spacing: var(--track);
	text-decoration: none;
	cursor: pointer;
	transition: background .15s, color .15s;
}
.llt-button:hover { background: var(--navy-soft); border-color: var(--navy-soft); }
.llt-button--ghost { background: transparent; color: var(--navy); }
.llt-button--ghost:hover { background: var(--navy); color: #fff; }
.llt-button--block { width: 100%; }
.llt-button.is-disabled { background: transparent; color: var(--muted); border-color: var(--line-strong); cursor: not-allowed; }
.llt-link { background: none; border: 0; padding: 0; color: var(--navy); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: 15px; }

.llt-tag {
	display: inline-flex; align-items: center; gap: 4px;
	padding: 1px 8px;
	border: 1px solid var(--line-strong);
	font-size: 12px; letter-spacing: .06em; text-transform: uppercase;
	color: var(--muted);
	vertical-align: 2px;
}
.llt-tag--done { border-color: var(--ok); color: var(--ok); }
.llt-tag .llt-icon { width: 13px; height: 13px; }

/* ---------- Hinweise ---------- */
.llt-notice { padding: 14px 18px; border: 1px solid var(--line-strong); border-left: 3px solid var(--navy); margin: 0 0 24px; font-size: 16px; background: var(--tint); }
.llt-notice--error { border-left-color: var(--err); }
.llt-viewas {
	position: sticky; top: 0; z-index: 50;
	display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
	padding: 10px var(--gutter);
	background: #fff6e0; border-bottom: 1px solid #e7cf93; color: #5b4310; font-size: 15px;
}
.llt-viewas a, .ll-viewas a { color: #5b4310; font-weight: 600; }
.ll-viewas {
	position: sticky; top: 0; z-index: 50;
	display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
	padding: 10px var(--gutter);
	background: #fff6e0; border-bottom: 1px solid #e7cf93; color: #5b4310; font-size: 15px;
}

/* ---------- Header ---------- */
.llt-header { background: #fff; position: relative; z-index: 40; box-shadow: var(--shadow-header); }
.llt-header__inner { display: flex; align-items: center; gap: 40px; height: 84px; }
.llt-header__brand { display: block; flex: none; }
.llt-logo--long { height: 34px; width: auto; }
.llt-header__nav { display: flex; gap: 32px; margin-right: auto; }
.llt-header__nav a {
	position: relative;
	padding: 30px 0;
	font-size: 15px; letter-spacing: var(--track);
	color: var(--muted); text-decoration: none;
}
.llt-header__nav a:hover, .llt-header__nav a.is-active { color: var(--navy); }
.llt-header__nav a.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--navy); }

.llt-account { position: relative; }
.llt-account summary {
	display: flex; align-items: center; gap: 10px;
	list-style: none; cursor: pointer;
	padding: 6px 10px 6px 6px;
	border: 1px solid var(--line);
	transition: border-color .15s;
}
.llt-account summary::-webkit-details-marker { display: none; }
.llt-account summary:hover, .llt-account[open] summary { border-color: var(--navy); }
.llt-account__avatar {
	display: grid; place-items: center;
	width: 32px; height: 32px;
	background: var(--navy); color: #fff;
	font-size: 13px; letter-spacing: .06em;
}
.llt-account__name { font-size: 15px; }
.llt-account__menu {
	position: absolute; right: 0; top: calc(100% + 8px);
	min-width: 240px;
	background: #fff; border: 1px solid var(--line-strong);
	display: flex; flex-direction: column;
}
.llt-account__who { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; font-size: 15px; }
.llt-account__who span { color: var(--muted); font-size: 14px; }
.llt-account__menu a { padding: 11px 18px; font-size: 15px; text-decoration: none; color: var(--ink); }
.llt-account__menu a:hover { background: var(--tint); color: var(--navy); }

/* ---------- Footer ---------- */
.llt-footer { border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.llt-footer__inner { display: flex; justify-content: space-between; gap: 16px; padding-block: 28px; flex-wrap: wrap; }
.llt-footer nav { display: flex; gap: 24px; }
.llt-footer a { color: var(--muted); text-decoration: none; }
.llt-footer a:hover { color: var(--navy); }

/* ---------- Fortschritt ---------- */
.llt-progress { display: flex; align-items: center; gap: 14px; }
.llt-progress__track { flex: 1; height: 2px; background: var(--line); position: relative; min-width: 60px; }
.llt-progress__track span { position: absolute; inset: 0 auto 0 0; background: var(--navy); transition: width .4s ease; }
.llt-progress__label { font-size: 14px; color: var(--navy); min-width: 3.2em; text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Dashboard ---------- */
.llt-resume {
	display: grid;
	grid-template-columns: 1fr minmax(180px, 280px) auto;
	grid-template-areas: "label progress cta" "title progress cta" "lesson progress cta";
	align-items: center;
	column-gap: 40px;
	padding: 32px 36px;
	border: 1px solid var(--navy);
	text-decoration: none; color: var(--ink);
	background: #fff; box-shadow: var(--shadow-card);
	transition: box-shadow .2s ease, transform .2s ease;
}
.llt-resume:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.llt-resume__label { grid-area: label; font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.llt-resume__title { grid-area: title; font-size: 28px; color: var(--navy); line-height: 1.2; margin-top: 4px; }
.llt-resume__lesson { grid-area: lesson; color: var(--muted); }
.llt-resume__progress { grid-area: progress; }
.llt-resume__cta { grid-area: cta; display: grid; place-items: center; }
.llt-resume__button { white-space: nowrap; }
.llt-resume:hover .llt-resume__button { background: var(--navy-soft); border-color: var(--navy-soft); }

.llt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.llt-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); transition: box-shadow .2s ease, transform .2s ease; }
.llt-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.llt-card__media { display: block; aspect-ratio: 16 / 9; overflow: hidden; background: var(--tint); }
.llt-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.llt-card:hover .llt-card__media img { transform: scale(1.02); }
.llt-card__placeholder { display: grid; place-items: center; height: 100%; }
.llt-card__placeholder .llt-logo { width: 44px; opacity: .35; }
.llt-card__body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.llt-card__meta { margin: 0 0 8px; font-size: 14px; color: var(--muted); display: flex; gap: 12px; align-items: center; }
.llt-card__title { margin: 0; font-size: 24px; font-weight: 500; line-height: 1.2; }
.llt-card__title a { text-decoration: none; color: var(--navy); }
.llt-card__title a:hover { text-decoration: underline; }
.llt-card__text { margin: 10px 0 0; color: var(--muted); font-size: 16px; }
.llt-card__foot { margin-top: auto; padding-top: 24px; }

.llt-callout--done { background: #f1f7f3; border-color: #cfe2d6; }
.llt-callout--done .llt-callout__icon { background: var(--ok); border-color: var(--ok); color: #fff; }
.llt-certificate { margin: 28px 0; max-width: 680px; flex-wrap: wrap; }
.llt-certificate__text { flex: 1 1 240px; }
.llt-certificate__button { padding: 10px 18px; font-size: 14px; }
.llt-status-list__cert { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; }

/* ---------- Breadcrumb ---------- */
.llt-breadcrumb {
	display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
	padding: 28px 0 0; margin-bottom: 8px;
	font-size: 15px; color: var(--muted);
}
.llt-breadcrumb a { color: var(--muted); text-decoration: none; }
.llt-breadcrumb a:hover { color: var(--navy); text-decoration: underline; }
.llt-breadcrumb [aria-current] { color: var(--ink); }
.llt-breadcrumb__sep { color: var(--line-strong); }
.llt-breadcrumb__menu { position: relative; }
.llt-breadcrumb__menu summary {
	list-style: none; cursor: pointer;
	display: inline-flex; align-items: center; gap: 2px;
	color: var(--muted);
}
.llt-breadcrumb__menu summary::-webkit-details-marker { display: none; }
.llt-breadcrumb__menu summary:hover, .llt-breadcrumb__menu[open] summary { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.llt-breadcrumb__menu[open] summary .llt-icon--chevron { transform: rotate(180deg); }
.llt-breadcrumb__menu summary .llt-icon--chevron { width: 15px; height: 15px; transition: transform .15s; }
.llt-breadcrumb__menu ul {
	position: absolute; left: 0; top: calc(100% + 6px); z-index: 30;
	list-style: none; margin: 0; padding: 6px 0;
	min-width: 300px; max-height: 60vh; overflow: auto;
	background: #fff; border: 1px solid var(--line-strong);
}
.llt-breadcrumb__menu li a { display: flex; gap: 12px; align-items: center; padding: 9px 16px; color: var(--ink); }
.llt-breadcrumb__menu li a:hover { background: var(--tint); text-decoration: none; }
.llt-breadcrumb__menu li.is-current a { color: var(--navy); font-weight: 600; }
.llt-breadcrumb__menu .llt-icon--lock { margin-left: auto; color: var(--muted); width: 14px; }

/* ---------- Kurs ---------- */
.llt-course-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-top: 40px; }
.llt-course-hero:not(:has(.llt-course-hero__media)) { grid-template-columns: 1fr; }
.llt-course-hero__progress { margin: 32px 0; max-width: 420px; padding: 20px 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); }
.llt-course-hero__progress p { margin: 8px 0 0; font-size: 15px; }
.llt-course-hero__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--tint); }
.llt-course-hero__media img { width: 100%; height: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.llt-curriculum { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; }
.llt-curriculum__chapter { padding: 28px 32px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); }
.llt-curriculum__head { display: flex; align-items: baseline; gap: 20px; margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.llt-curriculum__head h3 { margin: 0; font-size: 24px; font-weight: 500; color: var(--navy); flex: 1; }
.llt-curriculum__num { font-size: 14px; letter-spacing: .12em; color: var(--muted); font-variant-numeric: tabular-nums; }
.llt-curriculum__lessons { list-style: none; margin: 0; padding: 0 0 0 38px; }
.llt-lesson-row {
	display: grid; grid-template-columns: 22px 72px 1fr auto; align-items: center; gap: 18px;
	padding: 10px 12px; margin: 0 -12px;
	color: var(--ink); text-decoration: none;
}
a.llt-lesson-row:hover { background: var(--tint); }
.llt-lesson-row__thumb { width: 72px; aspect-ratio: 16 / 9; background: var(--tint); overflow: hidden; }
.llt-lesson-row__thumb img { width: 100%; height: 100%; object-fit: cover; }
.llt-lesson-row__meta { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); white-space: nowrap; }
.llt-lesson-row__state { color: var(--line-strong); }
.llt-lesson-row.is-done .llt-lesson-row__state { color: var(--ok); }
.llt-lesson-row.is-open .llt-lesson-row__state { color: var(--navy); }
.llt-lesson-row.is-locked { color: var(--muted); }
.llt-lesson-row.is-locked .llt-lesson-row__thumb { opacity: .45; filter: grayscale(1); }

/* ---------- Lektion ---------- */
.llt-lesson { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 32px; padding-top: 24px; align-items: start; }
.llt-media__frame { position: relative; aspect-ratio: 16 / 9; background: #0e1520; box-shadow: var(--shadow-media); }
.llt-media__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.llt-media__frame--empty { display: grid; place-items: center; color: #c8ccd3; }
.llt-media__image { margin: 0; }
.llt-media__image img { width: 100%; box-shadow: var(--shadow-media); }
/* Hinweisbaustein: rundes Icon + dezente Fläche */
.llt-callout {
	display: flex; align-items: center; gap: 14px;
	margin: 0; padding: 12px 20px 12px 12px;
	background: var(--tint); border: 1px solid var(--line);
	font-size: 16px; color: var(--ink);
}
.llt-callout__icon {
	flex: none; display: grid; place-items: center;
	width: 38px; height: 38px; border-radius: 50%;
	background: #fff; border: 1px solid var(--line-strong); color: var(--navy);
}
.llt-callout__icon .llt-icon { width: 20px; height: 20px; }
.llt-lesson__status { margin-top: 28px; }
.llt-callout__icon .llt-icon--check { display: none; }
.llt-lesson__status.is-done { background: #f1f7f3; border-color: #cfe2d6; color: var(--ok); }
.llt-lesson__status.is-done .llt-callout__icon { background: var(--ok); border-color: var(--ok); color: #fff; }
.llt-lesson__status.is-done .llt-icon--check { display: block; }
.llt-lesson__status.is-done .llt-icon--play { display: none; }
.llt-flash { margin: 8px 0 0; padding: 10px 14px; border-left: 3px solid var(--warn); background: #fdf7ea; font-size: 15px; }
.llt-lesson__head { margin: 40px 0 24px; }

.llt-attachments { margin-top: 56px; }
.llt-attachments ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.llt-attachments li a {
	display: flex; align-items: center; gap: 14px;
	padding: 14px 4px; border-bottom: 1px solid var(--line);
	text-decoration: none; color: var(--ink);
}
.llt-attachments li a:hover { background: var(--tint); }
.llt-attachments__name { flex: 1; }
.llt-attachments .llt-muted { font-size: 14px; }

.llt-quiz { margin-top: 56px; padding: 36px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-card); }
.llt-quiz.is-locked form { opacity: .35; pointer-events: none; user-select: none; }
.llt-quiz__hint { margin-bottom: 28px; }
.llt-quiz__question { border: 0; border-top: 1px solid var(--line); margin: 0; padding: 24px 0; }
.llt-quiz__question legend { display: flex; gap: 14px; font-size: 19px; color: var(--navy); padding: 0; margin-bottom: 14px; float: left; width: 100%; }
.llt-quiz__question legend + * { clear: both; }
.llt-quiz__num { flex: none; display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--navy); font-size: 14px; }
.llt-quiz__answer { display: flex; gap: 12px; align-items: flex-start; padding: 10px 14px; margin-left: 42px; border: 1px solid transparent; cursor: pointer; }
.llt-quiz__answer:hover { border-color: var(--line); }
.llt-quiz__answer input { margin-top: 5px; accent-color: var(--navy); }
.llt-quiz__question.is-correct legend .llt-quiz__num { background: var(--ok); border-color: var(--ok); color: #fff; }
.llt-quiz__question.is-wrong legend .llt-quiz__num { background: var(--err); border-color: var(--err); color: #fff; }
.llt-quiz__explanation { margin: 8px 0 0 42px; padding-left: 14px; border-left: 1px solid var(--err); color: var(--muted); font-size: 16px; }
.llt-quiz__result { margin: 8px 0 20px; padding: 14px 18px; border: 1px solid var(--line-strong); }
.llt-quiz__result.is-passed { border-color: var(--ok); color: var(--ok); }
.llt-quiz__result.is-failed { border-color: var(--err); color: var(--err); }

.llt-pager { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--line); }

.llt-lesson__aside { display: flex; flex-direction: column; gap: 28px; }
.llt-nav { border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-card); }
.llt-nav__head { padding: 20px; border-bottom: 1px solid var(--line); }
.llt-nav__course { display: block; margin-bottom: 14px; font-size: 21px; font-weight: 600; color: var(--navy); text-decoration: none; line-height: 1.2; }
.llt-nav__course:hover { text-decoration: underline; text-underline-offset: 3px; }
.llt-nav__chapter { border-bottom: 1px solid var(--line); }
.llt-nav__chapter:last-child { border-bottom: 0; }
.llt-nav__chapter summary { display: flex; gap: 12px; padding: 14px 20px; cursor: pointer; list-style: none; font-size: 16px; }
.llt-nav__chapter summary::-webkit-details-marker { display: none; }
.llt-nav__chapter.is-current summary { color: var(--navy); font-weight: 600; }
.llt-nav__chapter ol { list-style: none; margin: 0; padding: 0 0 10px; }
.ll-nav__item a, .ll-nav__item > span { display: flex; gap: 10px; align-items: flex-start; padding: 7px 20px 7px 22px; font-size: 15px; line-height: 1.35; color: var(--ink); text-decoration: none; border-left: 2px solid transparent; }
.ll-nav__item a:hover { background: var(--tint); }
.ll-nav__item .llt-icon { width: 15px; height: 15px; margin-top: 2px; color: transparent; }
.ll-nav__item.is-done .llt-icon { color: var(--ok); }
.ll-nav__item.is-locked > span { color: var(--muted); }
.ll-nav__item.is-locked .llt-icon { color: var(--muted); }
.ll-nav__item.is-current a { border-left-color: var(--navy); color: var(--navy); font-weight: 600; background: var(--tint); }

.llt-ai { margin-top: 56px; padding: 36px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-card); }
.llt-field .llt-ai__disclaimer { margin-top: 2px; font-size: 13px; font-weight: 400; color: var(--muted); text-transform: none; letter-spacing: 0; }
.llt-ai__label {
	display: inline-block; margin: 0;
	padding: 4px 12px;
	background: var(--navy); color: #fff;
	font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
}
.llt-ai__claim { margin: 14px 0 0; font-size: 17px; color: var(--ink); }
.llt-visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.llt-ai form { display: flex; flex-direction: column; gap: 16px; margin-top: 16px; }
.llt-ai textarea {
	padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 0;
	background: #fff; font-size: 17px; font-family: inherit; resize: vertical;
}
.llt-ai textarea:focus { outline: none; border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.llt-ai .llt-button { align-self: flex-start; }
.llt-ai__answer { margin-top: 22px; padding: 20px 24px; background: var(--tint); border-left: 3px solid var(--navy); white-space: pre-wrap; line-height: 1.6; }
.llt-ai__answer.is-error { border-left-color: var(--err); color: var(--err); }
.llt-ai__meta { display: block; margin-top: 14px; font-size: 13px; color: var(--muted); white-space: normal; }

.llt-contact { margin-top: 56px; padding: 36px; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-card); }
.llt-contact__inner { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; }
.llt-contact__photo { width: 96px; height: 96px; object-fit: cover; border-radius: 50%; flex: none; }
.llt-contact__head { display: flex; align-items: center; gap: 16px; }
.llt-contact__name { margin: 0; font-size: 19px; font-weight: 600; color: var(--navy); line-height: 1.2; }
.llt-contact__role { margin: 2px 0 0; font-size: 14px; color: var(--muted); line-height: 1.35; }
.llt-contact__intro { margin: 0; font-size: 15px; color: var(--muted); }
.llt-contact__person p { margin: 0 0 4px; }
.llt-contact__data { list-style: none; margin: 14px 0 0; padding: 0; font-size: 15px; }
.llt-contact__data li { margin-bottom: 4px; }
.llt-contact__data a { color: var(--ink); text-decoration: none; }
.llt-contact__data a:hover { color: var(--navy); text-decoration: underline; }
.llt-contact__form textarea {
	padding: 12px 14px; border: 1px solid var(--line-strong); border-radius: 0;
	background: #fff; font-size: 17px; font-family: inherit; resize: vertical;
}
.llt-contact__form textarea:focus { outline: none; border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }
.llt-contact__form .llt-button { align-self: flex-start; }
.llt-contact__hint { font-size: 14px; margin: 0; }

.llt-lesson__aside .llt-ai,
.llt-lesson__aside .llt-contact { margin-top: 0; padding: 24px; }
.llt-lesson__aside .llt-contact__inner { grid-template-columns: 1fr; gap: 20px; }
.llt-lesson__aside .llt-contact__photo { width: 72px; height: 72px; }
.llt-lesson__aside .llt-contact__intro { font-size: 14px; }
.llt-lesson__aside .llt-callout__icon { width: 30px; height: 30px; }
.llt-lesson__aside .llt-callout__icon .llt-icon { width: 16px; height: 16px; }
.llt-lesson__aside .llt-ai textarea,
.llt-lesson__aside .llt-contact__form textarea { font-size: 16px; }
.llt-lesson__aside .llt-button { width: 100%; }

/* ---------- Formulare ---------- */
.llt-form { display: flex; flex-direction: column; gap: 18px; }
.llt-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.llt-form--inline { flex-direction: row; flex-wrap: wrap; align-items: flex-end; }
.llt-form--inline .llt-field { flex: 1 1 200px; }
.llt-field { display: flex; flex-direction: column; gap: 6px; }
.llt-field span { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.llt-field input {
	padding: 12px 14px;
	border: 1px solid var(--line-strong); border-radius: 0;
	background: #fff; font-size: 17px;
}
.llt-field input:focus { outline: none; border-color: var(--navy); box-shadow: inset 0 0 0 1px var(--navy); }

.llt-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.llt-panel { border: 1px solid var(--line); padding: 36px; background: #fff; box-shadow: var(--shadow-card); }
.llt-dl { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; margin: 8px 0 0; font-size: 16px; }
.llt-dl dt { color: var(--muted); }
.llt-dl dd { margin: 0; }
.llt-status-list { list-style: none; margin: 0 0 28px; padding: 0; }
.llt-status-list li { display: flex; flex-direction: column; gap: 6px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.llt-status-list .llt-muted { font-size: 14px; }

/* ---------- Team ---------- */
.llt-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0; }
.llt-stats div { padding: 22px 24px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); }
.llt-stats dt { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.llt-stats dd { margin: 6px 0 0; font-size: 40px; line-height: 1; color: var(--navy); font-variant-numeric: tabular-nums; }
.llt-table-wrap { overflow-x: auto; padding: 8px 28px 20px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-card); }
.llt-table tbody tr:last-child td { border-bottom: 0; }
.llt-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.llt-table th { text-align: left; font-weight: 500; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
.llt-table td { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.llt-table__progress { min-width: 160px; }

/* ---------- Anmeldung ---------- */
.llt-auth { min-height: calc(100vh - 90px); display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 48px var(--gutter); }
.llt-auth__panel { width: 100%; max-width: 440px; }
.llt-auth__logo { display: block; margin: 0 0 56px; }
.llt-auth__logo .llt-logo { height: 44px; width: auto; }
.llt-auth__title { margin: 0 0 12px; font-size: 36px; font-weight: 500; color: var(--navy); }
.llt-auth .llt-muted { margin: 0 0 28px; }
.llt-auth__foot { margin-top: 64px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
body:has(.llt-auth) .llt-footer { display: none; }

.llt-ratio-16x9 { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; height: 100%; }

/* Sicherheitsnetz: jedes Vorschaubild bleibt 16:9, egal welche Datei hochgeladen wurde. */
.llt-card__media, .llt-lesson-row__thumb, .llt-course-hero__media img, .llt-resume__media { aspect-ratio: 16 / 9; }
.llt-card__media img, .llt-lesson-row__thumb img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* ---------- Responsiv ---------- */
@media (max-width: 1000px) {
	.llt-lesson { grid-template-columns: 1fr; }
	.llt-lesson__aside { position: static; order: 2; }
	.llt-course-hero { grid-template-columns: 1fr; gap: 32px; }
	.llt-course-hero__media { order: -1; }
	.llt-split { grid-template-columns: 1fr; }
	.llt-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
	body { font-size: 17px; }
	.llt-header__inner { gap: 16px; height: 68px; }
	.llt-logo--long { height: 24px; }
	.llt-header__nav { gap: 18px; }
	.llt-header__nav a { padding: 22px 0; }
	.llt-account__name { display: none; }
	.llt-resume { grid-template-columns: 1fr; grid-template-areas: "label" "title" "lesson" "progress" "cta"; row-gap: 4px; padding: 24px; }
	.llt-resume__progress { margin-top: 16px; }
	.llt-resume__cta { margin-top: 20px; }
	.llt-resume__button { width: 100%; }
	.llt-grid { grid-template-columns: 1fr; }
	.llt-curriculum__lessons { padding-left: 0; }
	.llt-curriculum__chapter { padding: 20px; }
	.llt-lesson-row { grid-template-columns: 22px 1fr auto; }
	.llt-lesson-row__thumb { display: none; }
	.llt-quiz { padding: 20px; }
	.llt-contact { padding: 20px; }
	.llt-ai { padding: 20px; }
	.llt-contact__inner { grid-template-columns: 1fr; gap: 24px; }
	.llt-quiz__answer, .llt-quiz__explanation { margin-left: 0; }
	.llt-form__row { grid-template-columns: 1fr; }
	.llt-panel { padding: 24px; }
	.llt-stats { grid-template-columns: 1fr 1fr; gap: 14px; }
	.llt-stats div { padding: 16px 18px; }
	.llt-stats dd { font-size: 30px; }
	.llt-table-wrap { padding: 4px 18px 14px; }
	.llt-pager { flex-direction: column-reverse; }
	.llt-pager .llt-button { width: 100%; }
}