/**
 * 1st Year Bac — Interactive Lesson engine.
 * Same palette family as 1st-bac-lesson.css (navy/teal/violet/gold),
 * built for the Learn-zone / Practice-zone shortcode kit in
 * inc/interactive-lesson.php. Loaded only on
 * template-1st-bac-interactive-lesson.php.
 *
 * @package MyTeacher_Child
 */

.mt-1bi-page{
	--i-navy:#213A47; --i-navy-deep:#152A34; --i-teal:#1B8A8A; --i-violet:#7A5A96;
	--i-gold:#E0A93F; --i-cream:#F6F4EC; --i-ink-soft:#52646D; --i-line:#E3E0D4;
	--i-green:#2E9E5B; --i-red:#C24E4E;
	font-family:'Nunito',sans-serif; background:var(--i-cream); overflow-x:hidden;
}
.mt-1bi-page h1,.mt-1bi-page h2,.mt-1bi-page h3,.mt-1bi-page h4{ font-family:'Poppins',sans-serif; font-weight:800; }

/* ---------------- HERO ---------------- */
.ilesson-hero{
	background:linear-gradient(135deg,var(--i-navy-deep) 0%, var(--i-navy) 55%, var(--i-teal) 140%);
	padding:44px 20px 34px; text-align:center; position:relative; overflow:hidden;
}
.ilesson-hero::before{
	content:""; position:absolute; inset:0;
	background-image:radial-gradient(circle, rgba(255,255,255,.05) 1.2px, transparent 1.2px);
	background-size:22px 22px; opacity:.7;
}
.ilesson-hero-inner{ max-width:560px; margin:0 auto; position:relative; }
.ilesson-badge{
	display:inline-block; background:rgba(224,169,63,.16); border:1px solid rgba(224,169,63,.5);
	color:var(--i-gold); font-weight:700; font-size:.74rem; letter-spacing:.05em; text-transform:uppercase;
	padding:6px 15px; border-radius:999px; margin-bottom:14px;
}
.ilesson-hero h1{ color:#fff; font-size:clamp(1.5rem,5vw,2.1rem); line-height:1.25; margin:0 0 6px; }
.ilesson-hero-lead{ color:rgba(255,255,255,.78); font-size:.95rem; margin:0; }

/* ---------------- CONTENT WRAP ---------------- */
.mt-1bi-content{ max-width:680px; margin:0 auto; padding:0 0 40px; }

/* ---------------- ZONE DIVIDERS ---------------- */
.ilesson-zone-divider{ max-width:640px; margin:32px auto 0; padding:0 20px; display:flex; align-items:center; gap:12px; }
.ilesson-zd-badge{
	font-family:'Poppins',sans-serif; font-weight:800; font-size:.76rem; letter-spacing:.06em;
	text-transform:uppercase; padding:8px 16px; border-radius:999px; white-space:nowrap;
}
.ilesson-zone-learn .ilesson-zd-badge{ background:var(--i-navy); color:#fff; }
.ilesson-zone-practice .ilesson-zd-badge{ background:var(--i-gold); color:var(--i-navy-deep); }
.ilesson-zd-line{ flex:1; height:1.5px; background:var(--i-line); }
.ilesson-zone-note{ max-width:640px; margin:8px auto 0; padding:0 20px; font-size:.85rem; color:var(--i-ink-soft); }

/* ---------------- CARD ---------------- */
.ilesson-card{
	background:#fff; margin:16px 20px 0; border-radius:16px; padding:24px 22px;
	box-shadow:0 8px 22px rgba(33,58,71,.08); border-left:4px solid var(--i-teal);
}
.ilesson-practice-card{ border-left-color:var(--i-gold); }
.ilesson-card-eyebrow{ display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.ilesson-card-num{
	width:30px; height:30px; border-radius:8px; background:var(--i-navy); color:var(--i-gold);
	font-weight:800; font-size:.82rem; display:flex; align-items:center; justify-content:center; flex:none;
	font-family:'Poppins',sans-serif;
}
.ilesson-card-eyebrow-text{ font-size:.74rem; letter-spacing:.05em; text-transform:uppercase; color:var(--i-ink-soft); font-weight:700; }

/* ---------------- LEARN BLOCK (rich text explanations: grammar rules, model paragraphs) ---------------- */
.ilesson-learn-block{ margin:22px 0; }
.ilesson-learn-block:first-child{ margin-top:0; }
.ilesson-learn-block:last-child{ margin-bottom:0; }
.ilesson-lb-title{ color:var(--i-navy); font-size:1.08rem; margin:0 0 8px; padding-bottom:8px; border-bottom:2px solid var(--i-teal); }
.ilesson-lb-body{ font-size:.98rem; line-height:1.75; color:var(--i-navy); }
.ilesson-lb-body p{ margin:0 0 14px; }

/* ---------------- CATEGORY TABS + WORD LIST ---------------- */
.ilesson-cat-tabs{ display:flex; gap:8px; margin:18px 0 16px; flex-wrap:wrap; }
.ilesson-cat-tab{
	background:var(--i-cream); border:1.5px solid var(--i-line); border-radius:999px; padding:8px 15px;
	font-size:.82rem; font-weight:800; color:var(--i-ink-soft); cursor:pointer; font-family:'Nunito',sans-serif;
}
.ilesson-cat-tab.on{ background:var(--i-teal); border-color:var(--i-teal); color:#fff; }
.ilesson-cat-tab:focus-visible{ outline:2px solid var(--i-navy); outline-offset:2px; }

.ilesson-word-list{ display:flex; flex-direction:column; gap:12px; }
.ilesson-word-row{ border:1px solid var(--i-line); border-radius:12px; padding:14px 16px; background:var(--i-cream); }
.ilesson-wr-top{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; margin-bottom:5px; flex-wrap:wrap; }
.ilesson-wr-word{ font-family:'Poppins',sans-serif; font-weight:800; color:var(--i-teal); font-size:1.05rem; }
.ilesson-wr-arabic{ direction:rtl; color:var(--i-violet); font-weight:800; font-size:.98rem; }
.ilesson-wr-def{ font-size:.9rem; color:var(--i-navy); margin-bottom:6px; line-height:1.5; }
.ilesson-wr-ex{ font-size:.84rem; color:var(--i-ink-soft); font-style:italic; }

/* ---------------- MID-LESSON VISUAL ---------------- */
.ilesson-visual-slot{
	margin:26px 20px; border-radius:16px; overflow:hidden; max-width:360px; margin-left:auto; margin-right:auto;
	box-shadow:0 10px 26px rgba(33,58,71,.18);
}
.ilesson-visual-slot img{ width:100%; height:auto; display:block; aspect-ratio:1/1; object-fit:cover; }
.ilesson-visual-placeholder{
	aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; text-align:center; padding:20px;
	background:linear-gradient(135deg,var(--i-navy-deep),var(--i-teal)); color:rgba(255,255,255,.8); font-size:.85rem; font-weight:700;
}

/* ---------------- PRACTICE: ROUND TRACKER ---------------- */
.ilesson-round-tracker{ display:flex; gap:6px; margin-bottom:16px; flex-wrap:wrap; }
.ilesson-rt-dot{ width:26px; height:5px; border-radius:99px; background:var(--i-line); }
.ilesson-rt-dot.done{ background:var(--i-green); }
.ilesson-rt-dot.now{ background:var(--i-gold); }

/* ---------------- ROUNDS ---------------- */
.ilesson-round{ display:none; }
.ilesson-round.active{ display:block; animation:ilessonFade .35s ease; }
@keyframes ilessonFade{ from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }

.ilesson-mc-prompt{
	background:var(--i-cream); border-radius:12px; padding:15px 17px; font-size:.98rem; font-weight:700;
	margin-bottom:14px; text-align:center; color:var(--i-navy);
}
.ilesson-fill-sentence{
	background:var(--i-cream); border-radius:12px; padding:17px; font-size:1rem; line-height:1.7;
	color:var(--i-navy); margin-bottom:16px; text-align:center;
}
.ilesson-fill-sentence .ilesson-blank{ display:inline-block; min-width:110px; border-bottom:2px solid var(--i-teal); font-weight:800; color:var(--i-teal); }

.ilesson-round-options[data-round-type="match"]{ display:flex; flex-direction:column; gap:9px; }
.ilesson-mc-opt{
	background:#fff; border:1.5px solid var(--i-line); border-radius:12px; padding:12px 15px; font-size:.92rem;
	font-weight:700; color:var(--i-navy); cursor:pointer; font-family:'Nunito',sans-serif;
}
.ilesson-mc-opt:hover{ border-color:var(--i-teal); }
.ilesson-mc-opt.is-correct{ background:rgba(46,158,91,.1); border-color:var(--i-green); color:var(--i-green); }
.ilesson-mc-opt.is-wrong{ background:rgba(194,78,78,.1); border-color:var(--i-red); color:var(--i-red); }

.ilesson-round-options[data-round-type="odd"]{ display:grid !important; grid-template-columns:1fr 1fr !important; gap:10px; }
.ilesson-odd-tile{
	background:#fff; border:1.5px solid var(--i-line); border-radius:12px; padding:18px 10px; text-align:center; cursor:pointer;
	width:auto !important; max-width:none !important;
}
.ilesson-odd-tile span{ display:block; font-size:1.6rem; margin-bottom:6px; }
.ilesson-odd-tile b{ font-size:.88rem; color:var(--i-navy); }
.ilesson-odd-tile:hover{ border-color:var(--i-teal); }
.ilesson-odd-tile.picked{ border-color:var(--i-gold); background:rgba(224,169,63,.1); }
.ilesson-odd-tile.is-correct{ border-color:var(--i-green); }

.ilesson-round-options[data-round-type="fill"]{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.ilesson-word-chip{
	background:#fff; border:1.5px solid var(--i-line); border-radius:999px; padding:9px 16px;
	font-size:.9rem; font-weight:700; cursor:pointer; color:var(--i-navy); font-family:'Nunito',sans-serif;
}
.ilesson-word-chip:hover{ border-color:var(--i-teal); }
.ilesson-word-chip.is-correct{ border-color:var(--i-green); color:var(--i-green); }
.ilesson-word-chip.is-wrong{ border-color:var(--i-red); color:var(--i-red); }

.ilesson-feedback-box{
	margin-top:13px; padding:12px 15px; border-radius:10px; font-size:.85rem; display:none;
	background:var(--i-cream); color:var(--i-navy); border-left:4px solid var(--i-teal);
}
.ilesson-feedback-box.show{ display:block; animation:ilessonFade .3s ease; }
.ilesson-verdict{ display:block; font-weight:800; margin-bottom:4px; }
.ilesson-verdict.is-correct{ color:var(--i-green); }
.ilesson-verdict.is-wrong{ color:var(--i-red); }

.ilesson-round-instruction{ font-size:.85rem; color:var(--i-ink-soft); font-weight:700; margin:0 0 12px; }

/* ---- Functions: conversation bubble prompt ---- */
.ilesson-mc-prompt--bubble{
	text-align:left; position:relative; border-radius:16px 16px 16px 4px; background:#fff;
	border:1.5px solid var(--i-line); box-shadow:0 3px 10px rgba(33,58,71,.06);
}

/* ---- Grammar: detective (click the mistake) ---- */
.ilesson-detective-sentence{
	background:var(--i-cream); border-radius:12px; padding:16px; margin-bottom:6px;
	font-size:1.02rem; line-height:2.1; text-align:center;
}
.ilesson-det-word{
	display:inline-block; padding:3px 6px; margin:2px; border-radius:6px; cursor:pointer;
	color:var(--i-navy); font-weight:700; transition:.15s;
}
.ilesson-det-word:hover{ background:rgba(27,138,138,.12); }
.ilesson-det-word.is-correct{ background:rgba(46,158,91,.18); color:var(--i-green); }
.ilesson-det-word.is-wrong{ background:rgba(194,78,78,.18); color:var(--i-red); }
.ilesson-det-fix{ color:var(--i-green); font-weight:800; font-size:.85rem; margin-left:4px; }

/* ---- Grammar: build (word order) ---- */
.ilesson-build-sentence{
	min-height:52px; background:#fff; border:1.5px dashed var(--i-line); border-radius:12px;
	padding:12px 14px; margin-bottom:14px; display:flex; flex-wrap:wrap; gap:6px; align-items:center;
}
.ilesson-build-sentence.is-correct{ border-style:solid; border-color:var(--i-green); background:rgba(46,158,91,.06); }
.ilesson-build-sentence.is-wrong{ border-style:solid; border-color:var(--i-red); background:rgba(194,78,78,.06); }
.ilesson-build-out-chip{
	background:var(--i-navy); color:#fff; border-radius:8px; padding:6px 11px; font-size:.9rem; font-weight:700;
}
.ilesson-build-bank{ display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.ilesson-build-chip{
	background:#fff; border:1.5px solid var(--i-line); border-radius:999px; padding:9px 16px;
	font-size:.9rem; font-weight:700; cursor:pointer; color:var(--i-navy); font-family:'Nunito',sans-serif;
}
.ilesson-build-chip:hover{ border-color:var(--i-teal); }
.ilesson-build-chip.used{ opacity:.3; pointer-events:none; }

/* ---- Writing: paragraph builder ---- */
.ilesson-paragraph-box{
	background:var(--i-cream); border-radius:12px; padding:16px 18px; margin-bottom:18px;
	font-size:.98rem; line-height:1.75; color:var(--i-navy); min-height:60px;
}
.ilesson-paragraph-box.is-complete{ border:1.5px solid var(--i-green); background:rgba(46,158,91,.06); }
.ilesson-paragraph-placeholder{ color:var(--i-ink-soft); font-style:italic; }
.ilesson-paragraph-chunk{ animation:ilessonFade .3s ease; }
.ilesson-pstep{ display:none; }
.ilesson-pstep.active{ display:block; animation:ilessonFade .3s ease; }
.ilesson-pstep.done{ display:none; }
.ilesson-pstep-label{
	font-size:.76rem; letter-spacing:.05em; text-transform:uppercase; color:var(--i-ink-soft);
	font-weight:800; margin-bottom:8px;
}
.ilesson-pstep-options{ display:flex; flex-direction:column; gap:9px; margin-bottom:6px; }
.ilesson-pstep-options .ilesson-mc-opt:hover{ border-color:var(--i-teal); }

.ilesson-step-actions{ display:flex; justify-content:flex-end; margin-top:18px; }
.ilesson-btn-next{
	background:var(--i-navy); color:#fff; border:none; border-radius:10px; padding:11px 22px;
	font-size:.88rem; font-weight:700; cursor:pointer; font-family:'Nunito',sans-serif;
}
.ilesson-btn-next:disabled{ opacity:.35; cursor:default; }
.ilesson-btn-next.ready{ background:var(--i-teal); }
.ilesson-btn-next:focus-visible{ outline:2px solid var(--i-gold); outline-offset:2px; }

/* ---------------- RECAP ---------------- */
.ilesson-recap-grid{ display:grid; grid-template-columns:1fr 1fr; gap:8px; margin-top:4px; }
.ilesson-recap-chip{
	background:var(--i-cream); border:1px solid var(--i-line); border-radius:9px; padding:8px 10px;
	display:flex; flex-direction:column; gap:2px;
}
.ilesson-recap-en{ font-size:.8rem; font-weight:700; color:var(--i-navy); }
.ilesson-recap-ar{ direction:rtl; text-align:right; font-size:.78rem; font-weight:700; color:var(--i-violet); }

/* ---------------- SCORE CARD ---------------- */
.ilesson-score-card{ text-align:center; padding:6px 4px; }
.ilesson-score-ring{
	width:104px; height:104px; border-radius:50%; margin:0 auto 14px;
	background:conic-gradient(var(--i-gold) 0deg 0deg, var(--i-line) 0deg 360deg);
	display:flex; align-items:center; justify-content:center; transition:background 1s ease;
}
.ilesson-score-ring-inner{ width:82px; height:82px; border-radius:50%; background:#fff; display:flex; flex-direction:column; align-items:center; justify-content:center; }
.ilesson-score-ring-inner b{ font-size:1.25rem; color:var(--i-navy); font-family:'Poppins',sans-serif; }
.ilesson-score-ring-inner small{ font-size:.65rem; color:var(--i-ink-soft); font-weight:700; }
.ilesson-score-title{ font-size:1.02rem; margin-bottom:4px; color:var(--i-navy); }
.ilesson-score-sub{ font-size:.86rem; color:var(--i-ink-soft); margin:0; }

/* ---------------- SUMMARY CARD (download) ---------------- */
.ilesson-summary-frame{
	max-width:320px; margin:0 auto 16px; border-radius:16px; overflow:hidden;
	box-shadow:0 10px 26px rgba(33,58,71,.2); border:6px solid #fff;
}
.ilesson-summary-frame img{ width:100%; height:auto; display:block; aspect-ratio:2/3; object-fit:cover; }
.ilesson-summary-placeholder{
	aspect-ratio:2/3; display:flex; align-items:center; justify-content:center; text-align:center; padding:20px;
	background:linear-gradient(160deg,var(--i-teal),var(--i-navy-deep)); color:rgba(255,255,255,.8); font-size:.85rem; font-weight:700;
}
.ilesson-download-btn{
	display:flex; align-items:center; justify-content:center; gap:8px; width:100%; max-width:320px;
	margin:0 auto; background:var(--i-gold); color:var(--i-navy-deep); border:none; border-radius:12px;
	padding:13px 20px; font-size:.92rem; font-weight:800; cursor:pointer; font-family:'Nunito',sans-serif;
}
.ilesson-download-btn:disabled{ opacity:.4; cursor:default; }
.ilesson-download-btn:focus-visible{ outline:2px solid var(--i-navy); outline-offset:2px; }

/* ---------------- ENGLISH MOMENTUM PROMO CARD ---------------- */
.ilesson-momentum-promo{
	max-width:640px; margin:34px 20px 0; padding:32px 26px; border-radius:18px; text-align:center;
	background:linear-gradient(150deg,var(--i-navy-deep) 0%, var(--i-navy) 60%, var(--i-teal) 150%);
	box-shadow:0 12px 30px rgba(21,42,52,.25); position:relative; overflow:hidden;
}
.ilesson-momentum-promo::before{
	content:""; position:absolute; inset:0;
	background-image:radial-gradient(circle, rgba(255,255,255,.05) 1.2px, transparent 1.2px);
	background-size:22px 22px; opacity:.6;
}
.ilesson-momentum-icon{ font-size:1.8rem; display:block; margin-bottom:10px; position:relative; }
.ilesson-momentum-promo h3{ color:#fff; font-size:1.15rem; margin:0 0 10px; position:relative; }
.ilesson-momentum-promo p{ color:rgba(255,255,255,.8); font-size:.9rem; line-height:1.6; margin:0 0 18px; position:relative; }
.ilesson-momentum-btn{
	display:inline-block; background:var(--i-gold); color:var(--i-navy-deep); font-weight:800; font-size:.9rem;
	padding:12px 26px; border-radius:999px; text-decoration:none; position:relative; font-family:'Nunito',sans-serif;
}
.ilesson-momentum-soon{
	display:inline-block; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3); color:rgba(255,255,255,.85);
	font-weight:700; font-size:.82rem; padding:9px 20px; border-radius:999px; position:relative;
}

/* ---------------- RELATED LESSONS ---------------- */
.ilesson-related{ max-width:640px; margin:26px 20px 0; }
.ilesson-related-title{
	font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; color:var(--i-ink-soft);
	font-weight:800; margin:0 0 10px;
}
.ilesson-related-list{ display:flex; flex-direction:column; gap:8px; }
.ilesson-related-item{
	display:flex; align-items:center; justify-content:space-between; gap:10px;
	background:#fff; border:1px solid var(--i-line); border-radius:12px; padding:13px 16px;
	text-decoration:none; box-shadow:0 3px 10px rgba(33,58,71,.05); transition:.15s;
}
.ilesson-related-item:hover{ border-color:var(--i-teal); }
.ilesson-related-item-title{ font-size:.9rem; font-weight:700; color:var(--i-navy); }
.ilesson-related-item-arrow{ color:var(--i-teal); font-weight:800; flex:none; }

/* ---------------- RTL-safe (site already extends [dir="rtl"] pattern) ---------------- */
[dir="rtl"] .mt-1bi-page .ilesson-wr-arabic{ direction:rtl; }
[dir="rtl"] .mt-1bi-page .ilesson-card{ border-left:none; border-right:4px solid var(--i-teal); }
[dir="rtl"] .mt-1bi-page .ilesson-practice-card{ border-right-color:var(--i-gold); }

/* ---------------- MOBILE ---------------- */
@media (max-width:480px){
	.ilesson-card{ padding:20px 16px; margin-left:14px; margin-right:14px; }
	.ilesson-zone-divider,.ilesson-zone-note{ padding-left:14px; padding-right:14px; }
}