/* ============================================================
   Lessons: the look of the validated preview (white page, light grey panels,
   dark green accent) (light only). Everything is scoped to
   .lesson-theme, so the rest of the site is not affected.
   ============================================================ */
.lesson-theme {
  --lt-bg: #ffffff; --lt-panel: #f9fafb; --lt-line: #e5e7eb;
  --lt-fg: #111827; --lt-body: #374151; --lt-muted: #6b7280;
  --lt-green: #1a6b3a; --lt-green2: #2d8a50; --lt-green3: #8fd0a9; --lt-on-green3: #0e2a1a;
  --lt-tint: #e8f5ed; --lt-orange: #ff9f2f; --lt-orange-text: #b45309; --lt-bad: #b45309; --lt-ok: #1a6b3a;
  --lt-accent: #1a6b3a; --lt-on-accent: #ffffff; --lt-gate: #1a6b3a;
  background: var(--lt-bg); color: var(--lt-fg); padding: 2rem 0 4rem;
  /* let the article rules of the site pick up the same colors */
  --white: var(--lt-bg); --gray-light: var(--lt-panel); --border: var(--lt-line);
  --dark: var(--lt-fg); --dark-2: var(--lt-body); --dark-3: var(--lt-body); --gray-soft: var(--lt-muted);
  --green-pale: var(--lt-tint); --green-dark: var(--lt-green); --green-mid: var(--lt-green2);
  --orange-dark: var(--lt-orange-text);
}
.lesson-theme * { box-sizing: border-box; }
.lt-wrap { max-width: 1080px; margin: 0 auto; padding: 0 1rem; }
.lt-wrap--page { max-width: 760px; }
.lt-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.8rem 1.2rem; margin-bottom: 1.4rem; }
.lt-back { color: var(--lt-green); font-weight: 600; }
.lt-back:hover { text-decoration: underline; }
.lt-h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin: 0; text-wrap: balance; }
.lt-title { font-size: clamp(1.9rem, 4.6vw, 2.9rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.12; margin: 0.4rem 0 0.8rem; text-wrap: balance; }
.lt-lead { color: var(--lt-muted); font-size: 1.05rem; line-height: 1.7; max-width: 62ch; margin: 0 0 1.2rem; }
.lt-sec { margin: 2.6rem 0; }
.lt-sec h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); font-weight: 800; letter-spacing: -0.01em; margin: 0 0 0.3rem; color: var(--lt-fg); }

.lesson-theme button:focus-visible, .lesson-theme a:focus-visible, .lesson-theme input:focus-visible { outline: 3px solid var(--lt-accent); outline-offset: 2px; }

/* badges */
.lt-badges { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; margin-bottom: 0.5rem; }
.lt-badge { display: inline-block; background: var(--lt-tint); color: var(--lt-green); padding: 0.15rem 0.7rem; border-radius: 8px; font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.lt-badge--type { background: var(--lt-tint); }
.lt-badge--level { background: var(--lt-accent); color: var(--lt-on-accent); }
.lt-meta { color: var(--lt-muted); font-size: 0.9rem; margin-left: 0.3rem; }

/* library */
.lt-finder { display: flex; flex-wrap: wrap; gap: 0.7rem 1.4rem; align-items: center; margin: 0 0 1.2rem; }
.lt-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; align-items: center; }
.lt-chips__label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--lt-muted); margin-right: 0.3rem; }
.lchip { border: 1.5px solid var(--lt-line); background: var(--lt-panel); color: var(--lt-fg); padding: 0.4rem 1rem; border-radius: 999px; font: inherit; font-weight: 600; cursor: pointer; }
.lchip:hover { border-color: var(--lt-green2); }
.lchip[aria-pressed="true"] { background: var(--lt-accent); border-color: var(--lt-accent); color: var(--lt-on-accent); }
.lt-search { flex: 1 1 220px; min-width: 0; border: 1.5px solid var(--lt-line); background: var(--lt-panel); color: var(--lt-fg); padding: 0.55rem 1rem; border-radius: 12px; font: inherit; }
.lt-count { font-weight: 600; color: var(--lt-muted); margin: 0 0 0.9rem; }
.lt-empty { color: var(--lt-muted); padding: 1.5rem 0; }
.lesson-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 1.3rem; }
.lesson-card { background: var(--lt-panel); border: 1.5px solid var(--lt-line); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; color: inherit; transition: border-color 0.2s, transform 0.2s; }
.lesson-card:hover { border-color: var(--lt-green2); transform: translateY(-3px); }
.lesson-card[hidden] { display: none; }
.lesson-card__img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; background: var(--lt-tint); }
.lesson-card__body { padding: 0.9rem 1rem 1.1rem; display: flex; flex-direction: column; gap: 0.6rem; min-width: 0; }
.lesson-card__title { margin: 0; font-size: 1.12rem; line-height: 1.3; font-weight: 700; color: var(--lt-fg); text-wrap: balance; }
.lesson-card__meta { margin: 0; color: var(--lt-muted); font-size: 0.88rem; }

/* video */
.lt-video { margin: 0.4rem 0 2rem; }
.lt-video .video-embed { border-radius: 18px; overflow: hidden; }
.lt-video__thumb { position: relative; display: block; border-radius: 18px; overflow: hidden; aspect-ratio: 16 / 9; background: #000; }
.lt-video__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lt-play { position: absolute; inset: 0; display: grid; place-items: center; }
.lt-play svg { width: 84px; height: 84px; padding: 24px 22px 24px 28px; border-radius: 50%; background: var(--lt-orange); fill: #111827; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.lt-video figcaption { margin-top: 0.5rem; font-size: 0.85rem; color: var(--lt-muted); }
.lt-video figcaption a { color: var(--lt-green); font-weight: 600; text-decoration: underline; }

/* À retenir */
.retenir { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 1.6rem 2.2rem; align-items: center; background: var(--lt-panel); border: 1.5px solid var(--lt-line); border-radius: 18px; padding: 1.6rem; margin-top: 1rem; }
.retenir--single { grid-template-columns: minmax(0, 1fr); }
.pyr svg { width: 100%; height: auto; display: block; }
.pyr .band { transition: opacity 0.2s; }
.pyr .band1 { fill: var(--lt-green); } .pyr .band2 { fill: var(--lt-green2); } .pyr .band3 { fill: var(--lt-green3); }
.pyr__t { font-family: 'Outfit', sans-serif; font-weight: 800; font-size: 40px; fill: #fff; }
.pyr__t--dark { fill: #0e2a1a; }
.pyr.dim .band { opacity: 0.35; } .pyr.dim .band.on { opacity: 1; }
.retenir__list { display: flex; flex-direction: column; gap: 0.2rem; min-width: 0; }
.lv { display: flex; flex-direction: column; gap: 0.15rem; padding: 0.7rem 0.9rem; border-radius: 12px; border: 1.5px solid transparent; width: 100%; text-align: left; background: none; color: inherit; font: inherit; cursor: pointer; }
.lv:hover, .lv[aria-pressed="true"] { background: var(--lt-tint); border-color: var(--lt-line); }
.lv b { font-size: 1.35rem; font-weight: 800; color: var(--lt-green); }
.lv span { color: var(--lt-muted); font-size: 0.98rem; }
.lv em { font-style: normal; font-weight: 600; color: var(--lt-fg); font-size: 1.02rem; }
.retenir__note { margin: 0.9rem 0 0; background: var(--lt-orange); color: #111827; border-radius: 12px; padding: 0.7rem 1rem; font-weight: 600; }
@media (max-width: 720px) { .retenir { grid-template-columns: 1fr; } }

/* body text inside lessons and tips */
.lt-content { margin: 2rem 0; }
.lt-content p, .lt-content li { color: var(--lt-body); }
.lesson-theme .article__content h2 { border-bottom: 2px solid var(--lt-line); color: var(--lt-fg); }
.lesson-theme .article__content h3 { color: var(--lt-fg); }
.lesson-theme .article__content a { color: var(--lt-green); }
.lesson-theme .article__content ul li::before { background: var(--lt-green2); }
.lesson-theme .callout { background: var(--lt-panel); border-left-color: var(--lt-orange); }
.lesson-theme .callout__label { color: var(--lt-orange-text); }
.lesson-theme .callout p { color: var(--lt-body); }
.lesson-theme .article__content th { background: var(--lt-panel); border-bottom-color: var(--lt-green2); color: var(--lt-fg); }
.lesson-theme .article__content td { color: var(--lt-body); border-bottom-color: var(--lt-line); }
.lesson-theme .article__content td:first-child { color: var(--lt-fg); }
.lesson-theme .article__content em { color: var(--lt-body); }
.lesson-theme .ex { font-style: italic; color: var(--lt-fg); }

/* Quiz */
.quiz-box { background: var(--lt-panel); border: 1.5px solid var(--lt-line); border-radius: 18px; padding: 1.4rem; margin-top: 1rem; }
.quiz-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0.6rem; margin-bottom: 0.9rem; color: var(--lt-muted); font-weight: 600; }
.quiz-reset { background: var(--lt-bg); border: 1.5px solid var(--lt-line); border-radius: 999px; padding: 0.4rem 1rem; font: inherit; font-weight: 600; cursor: pointer; color: var(--lt-fg); }
.quiz-reset:hover { border-color: var(--lt-green2); }
.quiz-prog { height: 8px; border-radius: 8px; background: var(--lt-tint); overflow: hidden; margin-bottom: 1.2rem; }
.quiz-prog i { display: block; height: 100%; width: 0; background: var(--lt-green2); transition: width 0.3s; }
.quiz-card { background: var(--lt-bg); border: 1.5px solid var(--lt-line); border-radius: 14px; padding: 1.4rem; display: flex; flex-direction: column; gap: 0.9rem; }
.quiz-num { font-weight: 800; color: var(--lt-green2); font-size: 0.85rem; letter-spacing: 0.05em; text-transform: uppercase; }
.quiz-part { margin-left: 0.4rem; background: var(--lt-tint); color: var(--lt-green); border-radius: 999px; padding: 0.1rem 0.6rem; font-size: 0.7rem; }
.quiz-sentence { font-size: clamp(1.4rem, 4.2vw, 2rem); font-weight: 700; line-height: 1.35; color: var(--lt-fg); overflow-wrap: anywhere; }
.quiz-blank { display: inline-block; min-width: 5rem; text-align: center; border-bottom: 4px solid var(--lt-green2); margin: 0 0.3rem; color: var(--lt-green); border-radius: 6px; }
.quiz-opts { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.quiz-opt { min-width: 5.5rem; padding: 0.7rem 1.2rem; border-radius: 10px; border: 2px solid var(--lt-line); background: var(--lt-panel); color: var(--lt-fg); font: inherit; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase; cursor: pointer; }
.quiz-opt:hover { border-color: var(--lt-green2); }
.quiz-opt[aria-pressed="true"] { border-color: var(--lt-green2); background: var(--lt-tint); color: var(--lt-green); }
.quiz-nav { display: flex; justify-content: flex-end; margin-top: 1rem; }
.lesson-theme .btn--primary { background: var(--lt-accent); color: var(--lt-on-accent); box-shadow: none; }
.lesson-theme .btn--primary:hover { transform: none; box-shadow: none; filter: brightness(1.08); }
.lesson-theme .btn:disabled { opacity: 0.45; cursor: default; }
.quiz-score { display: none; margin-top: 0.2rem; padding: 1.2rem; border-radius: 14px; background: var(--lt-tint); border: 1.5px solid var(--lt-line); }
.quiz-score.is-visible { display: block; }
.quiz-score__num { font-size: 2rem; color: var(--lt-green); display: block; }
.quiz-score p { margin: 0.4rem 0 0; font-size: 1rem; color: var(--lt-body); }
.quiz-score__title { font-weight: 700; margin-top: 1rem !important; color: var(--lt-fg) !important; }
.quiz-missed { list-style: none; padding: 0; margin: 0.6rem 0 0; display: flex; flex-direction: column; gap: 0.6rem; }
.quiz-missed li { background: var(--lt-bg); border: 1.5px solid var(--lt-line); border-radius: 10px; padding: 0.7rem 1rem; font-size: 0.95rem; line-height: 1.6; color: var(--lt-body); }
.quiz-missed .is-bad { color: var(--lt-bad); }
.quiz-missed .is-ok { color: var(--lt-ok); }
.quiz-why { color: var(--lt-muted); }
.quiz-next-level { background: var(--lt-bg); border: 1.5px solid var(--lt-line); border-radius: 10px; padding: 0.7rem 1rem; }
.quiz-score .btn { margin-top: 0.6rem; }

/* Members block */
.gate { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.6rem; background: var(--lt-gate); color: #fff; border-radius: 18px; padding: 1.8rem; }
.gate h2 { color: #fff; }
.gate__text p { margin: 0.3rem 0 0; opacity: 0.95; }
.gate .form-row label { color: #fff; }
.gate .form-row label small { font-weight: 400; opacity: 0.85; }
.gate .form-row select { background: #fff; color: #111827; border-color: transparent; }
.gate .form-row input { background: #fff; color: #111827; border-color: transparent; }
.gate .form-check label { color: #fff; font-size: 0.85rem; }
.gate .form-note { color: rgba(255, 255, 255, 0.85); }
.gate .form-status { color: #fff; }
.gate .form-status.is-error { color: #ffd9a8; }
.gate .btn--primary { background: var(--lt-orange); color: #111827; }
@media (max-width: 720px) { .gate { grid-template-columns: 1fr; } }
.gate__file { display: flex; align-items: center; gap: 0.9rem; max-width: 380px; margin-top: 1rem; padding: 0.8rem 1rem; border-radius: 12px; background: #fff; color: #1a1a1a; box-shadow: 0 8px 22px rgba(0, 0, 0, 0.25); }
.gate__fileicon { flex: none; display: grid; place-items: center; width: 46px; height: 56px; border-radius: 6px; background: #ff9f2f; color: #1a1a1a; font-weight: 900; font-size: 0.85rem; letter-spacing: 0.04em; }
.gate__filetext { display: flex; flex-direction: column; gap: 0.15rem; line-height: 1.25; }
.gate__filetext small { color: #555; font-size: 0.82rem; }
.gate__filenote { margin: 0.5rem 0 0; font-size: 0.9rem; opacity: 0.9; }
.pdf-panel { margin-top: 1rem; background: #fff; color: #111827; border-radius: 12px; padding: 1rem 1.1rem; }
.pdf-panel p { margin: 0 0 0.7rem; color: #111827; }
.pdf-panel .btn { background: var(--lt-orange); color: #111827; }
.pdf-panel[hidden] { display: none; }
.gate > * { min-width: 0; }
.gate .newsletter-form__fields { grid-template-columns: 1fr; }
.gate .newsletter-form .btn { align-self: stretch; }

/* closing call to action */
.lt-cta { margin-top: 2.6rem; padding: 1.6rem; border-radius: 18px; background: var(--lt-panel); border: 1.5px solid var(--lt-line); text-align: center; }
.lt-cta h3 { margin: 0 0 0.4rem; font-size: 1.2rem; }
.lt-cta p { margin: 0 0 1rem; color: var(--lt-muted); }

@media (prefers-reduced-motion: reduce) { .quiz-prog i, .lesson-card, .pyr .band { transition: none; } }

.lt-soon__box { display: grid; place-items: center; gap: 0.8rem; aspect-ratio: 16 / 9; padding: 1.5rem; border-radius: 18px; background: #1a6b3a; color: #fff; text-align: center; }
.lt-soon__tag { padding: 0.35rem 1rem; border-radius: 999px; background: #ff9f2f; color: #1a1a1a; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.9rem; }
.lt-soon__text { margin: 0; max-width: 34ch; font-weight: 600; font-size: 1.1rem; }
.lt-badge--soon { background: #ff9f2f; color: #1a1a1a; font-weight: 800; }
[hidden] { display: none !important; }