/* =====================================================================
   AL-FAHAD — unified chapter template (both portals, every chapter)
   Requires alf-tokens.css + alf-app.css. Legacy teaching blocks are styled
   by the scoped family files in assets/legacy/ (no global overrides).
   ===================================================================== */
body.alf-chapter-page{background:var(--bg)}

/* ---------- top bar ---------- */
.alf-cbar{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.alf-cbar .in{max-width:var(--maxw);margin:0 auto;padding:8px var(--gutter);display:flex;align-items:center;gap:10px;min-height:var(--topbar-h);flex-wrap:wrap}
.alf-cbar .alf-brand img{width:36px;height:36px}
.alf-cbar .crumb{display:flex;align-items:center;gap:6px;min-width:0;flex:1 1 220px;font-size:14px;color:var(--muted)}
.alf-cbar .crumb a{font-weight:700;text-decoration:none;white-space:nowrap}
.alf-cbar .crumb .cur{font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.alf-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.alf-seg{display:inline-flex;border:1.5px solid var(--border-strong);border-radius:11px;overflow:hidden;background:var(--surface)}
.alf-seg button{min-height:40px;padding:0 12px;border:0;background:transparent;font-weight:700;font-size:13.5px;cursor:pointer;color:var(--muted);white-space:nowrap}
.alf-seg button[aria-pressed="true"]{background:var(--primary);color:#fff}
.alf-tbtn{display:inline-flex;align-items:center;gap:6px;min-height:40px;min-width:40px;justify-content:center;padding:0 11px;border:1.5px solid var(--border-strong);border-radius:11px;background:var(--surface);color:var(--primary-deep);font-weight:700;font-size:13.5px;cursor:pointer;text-decoration:none;white-space:nowrap}
.alf-tbtn:hover{background:var(--blue-soft);color:var(--primary-deep)}
.alf-tbtn[aria-pressed="true"]{background:var(--blue-soft);border-color:var(--primary);color:var(--primary-deep)}
.alf-tbtn svg{width:18px;height:18px}
.alf-tbtn .lbl{display:inline}
@media (max-width:1100px){.alf-tbtn .lbl{display:none}}
@media (max-width:720px){.alf-cbar .crumb{order:3;flex-basis:100%}.alf-cbar .alf-brand .t{display:none}}

/* audio settings popover */
.alf-pop{position:absolute;z-index:90;margin-top:6px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-3);padding:14px;width:min(320px,92vw)}
.alf-pop h3{font-size:15px;margin:0 0 10px}
.alf-pop .row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 0}
.alf-pop .row label{font-weight:700;font-size:14px}
.alf-pop select{min-height:40px;border:1.5px solid var(--border-strong);border-radius:10px;padding:0 10px;background:var(--surface);max-width:180px}
.alf-pop .st{font-size:13px;color:var(--muted);margin-top:8px}
.alf-pop .st.bad{color:var(--warning-ink)}

/* ---------- layout ---------- */
.alf-chapter{max-width:1060px;margin:0 auto;padding:0 var(--gutter);display:block}
.alf-main{min-width:0;padding-block:22px 40px}
/* single-column reading layout at every width: the contents list opens as a drawer */
.alf-toc{position:fixed;inset:0 auto 0 0;width:min(340px,88vw);max-height:none;height:100%;background:var(--surface);z-index:120;transform:translateX(-105%);transition:transform .25s;box-shadow:var(--shadow-3);padding:18px 10px;top:0;visibility:hidden}
[dir="rtl"] .alf-toc{inset:0 0 0 auto;transform:translateX(105%)}
.alf-toc.open{transform:none;visibility:visible}
.alf-toc-backdrop{position:fixed;inset:0;background:rgba(20,48,79,.4);z-index:110}

/* ---------- chapter header ---------- */
.alf-chead{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:clamp(18px,3vw,28px);box-shadow:var(--shadow-1);position:relative;overflow:hidden}
.alf-chead::after{content:"";position:absolute;inset-inline-end:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(14,148,136,.10),transparent 70%);pointer-events:none}
.alf-chead .kick{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-ink);margin-bottom:8px}
.alf-chead h1{margin:0;font-size:clamp(26px,3.2vw,38px)}
.alf-chead .h1-ar{font-family:var(--font-ar);direction:rtl;font-size:clamp(20px,2.2vw,26px);color:var(--primary);font-weight:700;margin-top:6px}
.alf-chead .chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.alf-chead .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}

/* ---------- Duaa panel (start of every chapter) ---------- */
.alf-duaa{margin:16px 0 0;background:linear-gradient(135deg,#F3F8FD,#EEF7F5);border:1px solid var(--mint-soft);border-radius:var(--r);padding:12px 18px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px 18px;align-items:center}
.alf-duaa .lbl{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-ink);white-space:nowrap}
.alf-duaa .lbl .ar{display:block;font-size:13px;letter-spacing:0;text-transform:none;margin-top:2px}
.alf-duaa .txt{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 18px;min-width:0}
.alf-duaa .q{font-family:var(--font-duaa);font-size:clamp(22px,2.4vw,27px);font-weight:700;color:var(--primary-deep);direction:rtl;line-height:1.9;order:2}
.alf-duaa .en{font-style:italic;color:var(--text);font-size:15.5px;order:1}
.alf-duaa .ref{display:block;font-size:12.5px;color:var(--muted);font-style:normal}
.alf-duaa .alf-say{align-self:center}
@media (max-width:640px){.alf-duaa{grid-template-columns:1fr auto}.alf-duaa .lbl{grid-column:1/-1}.alf-duaa .txt{flex-direction:column}.alf-duaa .q{order:1}.alf-duaa .en{order:2}}

/* ---------- notices ---------- */
.alf-cnotice{margin-top:14px}

/* ---------- sections ---------- */
.alf-content{margin-top:20px;display:grid;gap:18px}
.alf-sec{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-1);scroll-margin-top:calc(var(--topbar-h) + 14px);min-width:0}
.alf-sec>header{display:flex;align-items:flex-start;gap:12px;padding:16px clamp(16px,2.4vw,24px) 0}
.alf-sec>header .n{flex:none;min-width:34px;height:34px;padding:0 6px;border-radius:10px;background:var(--blue-soft);color:var(--primary-deep);font-weight:800;font-size:13.5px;display:grid;place-items:center;font-variant-numeric:tabular-nums;margin-top:2px}
.alf-sec>header h2{margin:0;font-size:clamp(19px,1.9vw,23px);display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 16px;min-width:0;flex:1}
.alf-sec>header h2 .ar{font-size:.86em;color:var(--primary-deep);font-weight:700;margin-inline-start:auto}
.alf-sec>.body{padding:12px clamp(16px,2.4vw,24px) 20px;overflow-wrap:anywhere}
.alf-sec.divider{background:transparent;border:0;box-shadow:none}
.alf-sec.divider>header{padding:6px 2px 0}
.alf-sec.divider>header h2{font-size:15px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-ink);flex-direction:row;gap:10px;flex-wrap:wrap}
.alf-sec.divider>header .n{background:var(--accent-teal);color:#fff}
.alf-sec.divider>.body{display:none}

/* generic typography for migrated teaching content (family files refine it) */
.alf-content .body{font-size:var(--fs-body);line-height:var(--lh-body)}
.alf-content .body p{margin:0 0 .8em}
.alf-content .body ul,.alf-content .body ol{margin:.2em 0 .9em;padding-inline-start:1.4em}
.alf-content .body li{margin:.25em 0}
.alf-content .body h3{font-size:19px;margin:1.1em 0 .45em}
.alf-content .body h4{font-size:17px;margin:1em 0 .4em;color:var(--primary-deep)}
.alf-content .body table{border-collapse:collapse;width:100%;font-size:15.5px;margin:.6em 0 1em;background:var(--surface)}
.alf-content .body th{background:var(--blue-soft);color:var(--primary-deep);font-weight:800;text-align:start;padding:9px 11px;border:1px solid var(--border)}
.alf-content .body td{padding:9px 11px;border:1px solid var(--border);vertical-align:top}
.alf-content .body .alf-tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.alf-content .body img{display:block;max-width:100%;height:auto;margin:10px auto;border-radius:10px}
.alf-content .body figure{margin:14px 0;max-width:100%;width:100%;box-sizing:border-box;text-align:center}
.alf-content .body figure img{max-width:100%;height:auto}
.alf-content .body figure img{cursor:zoom-in;border:1px solid var(--border);background:#fff;padding:4px}
.alf-content .body figcaption{font-size:14.5px;color:var(--muted);margin-top:8px;line-height:1.6;text-align:center}
.alf-content .body svg{max-width:100%;height:auto}
.alf-content .body details{border:1px solid var(--border);border-radius:12px;padding:10px 14px;margin:.6em 0;background:var(--surface-2)}
.alf-content .body summary{cursor:pointer;font-weight:700;color:var(--primary-deep);min-height:32px}
.alf-content .body blockquote{margin:.6em 0;padding:10px 16px;border-inline-start:4px solid var(--mint-soft);background:var(--surface-2);border-radius:0 10px 10px 0}

/* paired bilingual display: Arabic appears directly under its English counterpart */
.alf-content .body .ar{display:block;color:inherit;font-size:var(--fs-body-ar);margin-top:.15em;text-align:right}
.alf-content .body h3 .ar,.alf-content .body h4 .ar{color:var(--primary);font-size:.92em}
.alf-content .body .ar-sep{display:none}
.alf-content .body span.ar:empty{display:none}
/* side-by-side when a legacy block already pairs EN and AR columns */
.alf-content .body .bi,.alf-content .body .pair{display:block}

/* English-only mode (the only other study mode; there is no Arabic-only mode) */
body.mode-en .alf-content .ar,body.mode-en .alf-content [lang="ar"],body.mode-en .alf-content [dir="rtl"],
body.mode-en .alf-test .ar,body.mode-en .alf-test [lang="ar"],
body.mode-en .alf-sec>header h2 .ar,body.mode-en .alf-chead .h1-ar,body.mode-en .alf-toc .ar,body.mode-en .alf-cnotice .ar,
body.mode-en .alf-motivate .ar,body.mode-en .alf-figcap .ar{display:none!important}
body.mode-en .alf-content .body .bi,body.mode-en .alf-content .body .pair{display:block}
/* the duaa always shows Arabic with its English translation */

/* ---------- audio buttons (understated, no ring) ---------- */
.alf-say{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;margin-inline-end:6px;vertical-align:-7px;border:0;border-radius:8px;background:transparent;color:var(--primary);cursor:pointer;padding:0;flex:none;opacity:.78}
.alf-say svg{width:19px;height:19px;display:block}
.alf-say:hover,.alf-say:focus-visible{opacity:1;background:var(--blue-soft)}
.alf-say.playing{opacity:1;color:#fff;background:var(--primary)}
.alf-say.ar-say{color:var(--teal-ink)}
.alf-say.ar-say.unavailable{color:#9AA9B1;cursor:help}
.alf-say.ar-say.playing{background:var(--accent-teal);color:#fff}
.ar>.alf-say{margin-inline-end:6px;margin-inline-start:0}
body.mode-en .alf-say.ar-say{display:none}

/* ---------- figures & lightbox ---------- */
.alf-figcap .src{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.alf-img-required{border:1px solid var(--border);border-inline-start:4px solid var(--primary);border-radius:12px;padding:14px 16px;background:var(--surface-2);color:var(--text);text-align:start;font-size:15px;line-height:1.6;display:grid;gap:6px;margin:14px 0}
.alf-img-required b{display:block;color:var(--primary-deep);font-size:13px;letter-spacing:.02em;font-weight:700;line-height:1.7}
.alf-img-required b::before{content:"";display:inline-block;vertical-align:-2px;margin-inline-end:8px;width:18px;height:14px;border:2px solid currentColor;border-radius:3px;box-sizing:border-box;background:linear-gradient(135deg,transparent 55%,currentColor 55%,currentColor 70%,transparent 70%)}
.alf-content .alf-img-required b>.en,.alf-content .alf-img-required b>.ar,.alf-img-required b>.en,.alf-img-required b>.ar{display:inline;margin:0;font-size:inherit;color:inherit}
.alf-content .alf-img-required b>.ar{margin-inline-start:.5em}
.alf-img-required .kind{display:inline-block;margin-inline-start:8px;font-style:normal;font-weight:600;font-size:12px;color:var(--primary-deep);background:var(--blue-soft);border-radius:var(--r-pill);padding:0 9px;vertical-align:1px}
.alf-img-required .kind>.en,.alf-img-required .kind>.ar{display:inline}
.alf-img-required>.en,.alf-img-required>.ar{display:block}
.alf-schematic-note{display:block;font-size:12.5px;color:var(--muted);font-style:italic;margin-top:4px}
.alf-lightbox{position:fixed;inset:0;background:rgba(15,32,52,.88);z-index:500;display:flex;padding:20px;overflow:auto;overscroll-behavior:contain}.alf-lightbox>div{margin:auto;max-width:100%;min-width:0}
.alf-lightbox img{display:block;margin:0 auto;max-width:min(100%,1400px);max-height:min(84vh,calc(100vh - 150px));max-height:min(84dvh,calc(100dvh - 150px));border-radius:10px;background:#fff}
.alf-lightbox .cap{color:#fff;text-align:center;max-width:900px;margin-top:10px;font-size:15px}
.alf-lightbox .cap .ar{display:block;margin-top:4px}
.alf-lightbox .cap .alf-say{display:none}.alf-lightbox>button{position:fixed;top:14px;inset-inline-end:14px;min-width:var(--tap);min-height:var(--tap);border-radius:12px;border:0;background:#fff;color:var(--primary-deep);font-size:22px;cursor:pointer}

/* ---------- slide view (optional) ---------- */
body.view-slides .alf-content>.alf-sec{display:none}
body.view-slides .alf-content>.alf-sec.is-current{display:block}
body.view-slides .alf-test{display:none}
body.view-slides .alf-test.is-current{display:block}
body.view-slides .alf-cnav{display:none}
.alf-slidebar{position:sticky;bottom:0;z-index:60;margin-top:18px;background:rgba(255,255,255,.97);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-2);padding:8px 10px;display:none;align-items:center;gap:10px}
body.view-slides .alf-slidebar{display:flex}
.alf-slidebar .pos{font-weight:800;font-size:14px;color:var(--primary-deep);min-width:64px;text-align:center;font-variant-numeric:tabular-nums}
.alf-slidebar .rail{flex:1;height:8px;background:var(--blue-soft);border-radius:var(--r-pill);overflow:hidden}
.alf-slidebar .rail i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent-teal));transition:width .25s}
.alf-slidebar .ttl{max-width:34%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;color:var(--muted);font-weight:600}
@media (max-width:640px){.alf-slidebar .ttl{display:none}}

/* ---------- Test Yourself ---------- */
.alf-test{margin-top:22px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-1);padding:clamp(16px,2.6vw,26px);scroll-margin-top:calc(var(--topbar-h) + 14px)}
.alf-test>h2{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;margin-bottom:12px}
.alf-test>h2 .ar{font-size:.8em;color:var(--primary)}
.alf-tabs{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:12px;margin-bottom:16px}
.alf-tab{min-height:var(--tap);padding:8px 16px;border:1.5px solid var(--border-strong);background:var(--surface);border-radius:12px;font-weight:800;font-size:15px;color:var(--primary-deep);cursor:pointer;display:inline-flex;gap:8px;align-items:center}
.alf-tab .c{font-size:12.5px;background:var(--blue-soft);border-radius:var(--r-pill);padding:2px 8px;color:var(--primary-deep)}
.alf-tab .ar{font-weight:700;font-size:.92em}
.alf-tab[aria-selected="true"]{background:var(--primary);border-color:var(--primary);color:#fff}
.alf-tab[aria-selected="true"] .c{background:#fff;color:var(--primary-deep)}
.alf-pane[hidden]{display:none}
.alf-panebar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.alf-panebar .sp{flex:1}
.alf-panebar .meta{font-size:14px;color:var(--muted);font-weight:700;font-variant-numeric:tabular-nums}

/* stacked flashcard deck */
.alf-deck{position:relative;max-width:760px;margin:6px auto 18px;padding-bottom:16px}
.alf-deck::before,.alf-deck::after{content:"";position:absolute;left:4%;right:4%;height:100%;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-1);z-index:0}
.alf-deck::before{top:8px;transform:scale(.975);opacity:.9}
.alf-deck::after{top:16px;left:8%;right:8%;transform:scale(.95);opacity:.7}
.alf-deck.empty::before,.alf-deck.empty::after{display:none}
.alf-fc{position:relative;z-index:1;min-height:270px;perspective:1600px;cursor:pointer;outline:none}
.alf-fc .inner{position:relative;width:100%;min-height:270px;transition:transform .5s cubic-bezier(.3,.7,.2,1);transform-style:preserve-3d}
.alf-fc.flipped .inner{transform:rotateY(180deg)}
.alf-fc .face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--surface);border:1.5px solid var(--border-strong);border-radius:var(--r-lg);box-shadow:var(--shadow-2);padding:22px 24px 18px;display:flex;flex-direction:column;overflow:auto}
.alf-fc .face.back{transform:rotateY(180deg);background:linear-gradient(180deg,#FBFDFF,#F1F7FD)}
.alf-fc .face .tag{align-self:flex-start;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-ink);background:#E5F6F3;border-radius:var(--r-pill);padding:3px 10px;margin-bottom:10px}
.alf-fc .face .en{font-size:clamp(18px,2vw,21px);font-weight:700;color:var(--text);line-height:1.5}
.alf-fc .face.back .en{font-weight:600;font-size:clamp(17px,1.8vw,19px)}
.alf-fc .face .ar{display:block;margin-top:10px;font-size:clamp(18px,2vw,20px);color:var(--primary-deep)}
.alf-fc .face .hint{margin-top:auto;padding-top:12px;font-size:13px;color:var(--muted);font-weight:600}
.alf-fc:focus-visible .face{outline:3px solid var(--focus);outline-offset:2px}
.alf-fcbtns{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:6px}
.alf-fcrate{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.alf-fcrate .alf-btn{min-width:150px}
.alf-srs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:10px}
.alf-srs b{color:var(--primary-deep)}

/* cases */
.alf-case{border:1px solid var(--border);border-top:4px solid var(--primary);border-radius:var(--r);padding:18px 20px;background:var(--surface);margin-bottom:14px}
.alf-case .no{display:inline-flex;gap:8px;align-items:center;font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--primary-deep);background:var(--blue-soft);padding:4px 12px;border-radius:var(--r-pill);margin-bottom:10px}
.alf-case h3{font-size:18px;margin:0 0 8px}
.alf-case h3 .ar{display:block;font-size:.9em;color:var(--primary)}
.alf-case .vig{background:#F4FAFD;border-inline-start:4px solid var(--mint-soft);border-radius:0 10px 10px 0;padding:12px 16px;line-height:1.75}
[dir="rtl"] .alf-case .vig{border-radius:10px 0 0 10px}
.alf-case .vig .ar{display:block;margin-top:8px;color:#3A4C5C}
.alf-case .step{margin-top:12px;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.alf-case .step .q{padding:10px 14px;font-weight:700;background:var(--surface-2)}
.alf-case .step .q .ar{display:block;font-weight:600;color:var(--muted)}
.alf-case .step .reveal{margin:10px 14px}
.alf-case .step .a{padding:4px 14px 14px;line-height:1.7}
.alf-case .step .a .ar{display:block;margin-top:8px;color:#3A4C5C}
.alf-case .pearl{margin-top:12px;background:#EEF7F5;border:1px solid #CDEBE6;border-radius:12px;padding:10px 14px;font-size:15px}
.alf-case .pearl .ar{display:block;margin-top:4px}
.alf-case .draft{font-size:13px;color:var(--warning-ink);background:var(--warning-soft);border-radius:10px;padding:6px 10px;margin-bottom:10px}
.alf-case .gap{font-size:13.5px;color:var(--warning-ink);margin-top:10px}

/* quiz summary */
.alf-qsum{text-align:center;padding:10px 0}
.alf-qsum .score{font-size:44px;font-weight:800;color:var(--primary-deep);font-variant-numeric:tabular-nums}
.alf-topicbars{display:grid;gap:8px;max-width:560px;margin:12px auto}
.alf-topicbars .r{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;font-size:14px;font-weight:600;text-align:start}
.alf-topicbars .alf-progress{grid-column:1/-1;height:8px}

/* chapter prev/next */
.alf-cnav{display:flex;justify-content:space-between;gap:12px;margin-top:22px;flex-wrap:wrap}
.alf-cnav a{flex:1 1 240px;display:flex;flex-direction:column;gap:2px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--r);background:var(--surface);text-decoration:none;color:var(--text);min-height:var(--tap)}
.alf-cnav a small{font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.alf-cnav a b{color:var(--primary-deep)}
.alf-cnav a.next{text-align:end}
.alf-cnav a:hover{box-shadow:var(--shadow-1);border-color:var(--border-strong)}

/* paywall overlay for locked chapters (server mode) */
.alf-locked{max-width:620px;margin:40px auto;text-align:center}

/* ---- Legacy content harmonisation (applies across the original chapter templates) ---- */
.alf-content .ess .pearl{background:transparent;border:0;border-bottom:1px dashed var(--border);border-radius:0;padding:10px 14px}
.alf-content .ess .pearl:last-child{border-bottom:0}
.alf-content .ess .pearl b,.alf-content .ess .pearl strong{color:var(--primary-deep)}
.alf-content .ess .pearl .en{padding-inline-end:0}
.alf-content .ess .pearl .ar{color:var(--text);border-top:0;padding-top:0;margin-top:4px;font-size:.95em}
.alf-content .kp .row .d{color:var(--teal-ink)}
.alf-content .pearl:not(.pearls .pearl):not(.ess .pearl){background:var(--blue-soft);border:1px solid var(--border);border-radius:var(--r-sm,8px);color:var(--text);margin:10px 0}
.alf-content .pearl:not(.pearls .pearl):not(.ess .pearl) b{color:var(--primary-deep)}
.alf-content .pearl:not(.pearls .pearl):not(.ess .pearl) .ar{color:var(--text);border-top-color:var(--border)}
.alf-content .al-svg-fig figcaption{color:#C9D6E6}
.alf-content .al-svg-fig figcaption b{color:#fff}
.alf-content .al-svg-fig .alf-schematic-note{color:#B5C4D6}
.alf-content.alf-content .row .d{color:var(--teal-ink)}
.alf-content.alf-content .cxq-h{background:linear-gradient(160deg,var(--primary-deep),#2B5F96)}
.alf-content.alf-content .cxq-h .tag{color:#fff;border-color:rgba(255,255,255,.45)}
.alf-content.alf-content .tree-arr{color:var(--teal-ink)}
.alf-content.alf-content .pearls .pearl .ar{color:var(--pearl-ink)}
.alf-content.alf-content .pearls .pearl b,.alf-content.alf-content .pearls .pearl b .ar{color:var(--pearl-ink)}
.alf-content.alf-content.alf-content .row .d{color:var(--teal-ink)}
.alf-content.alf-content.alf-content .row .d b{color:inherit}
.alf-content.alf-content .al-svg-fig figcaption .ar{background:transparent;padding:0;margin:0;display:inline;color:inherit;font-size:1em}
.alf-content.alf-content .al-svg-fig figcaption .alf-schematic-note{display:block;margin-top:6px}
.alf-content.alf-content .vis-head .ar{background:transparent;padding:0;margin-top:3px;color:#fff;border:0;border-radius:0}
.alf-content.alf-content .dia{display:none}
/* canonical boxes for legacy blocks whose inline styling was removed during migration */
.alf-content .alf-bh{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:linear-gradient(160deg,var(--primary-deep),#2B5F96);color:#fff;padding:11px 16px;border-radius:12px 12px 0 0;font-weight:800;margin-top:8px}
.alf-content .alf-bh .ic{font-size:18px;line-height:1}
.alf-content .alf-bh .t{font-size:15.5px;letter-spacing:.2px}
.alf-content.alf-content .alf-bh .ar{display:inline;color:#fff;margin:0;margin-inline-start:auto;font-weight:700;background:transparent;padding:0;border:0}
.alf-content .alf-pts{display:grid;gap:9px;padding:14px 15px;background:var(--bg);border:1.5px solid var(--border);border-radius:12px;margin:0 0 14px}
.alf-content .alf-bh+.alf-pts{border-top:0;border-radius:0 0 12px 12px}
.alf-content .alf-pt{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;background:var(--surface);border-inline-start:3px solid #A9CFE3;border-radius:8px;box-shadow:0 1px 2px rgba(11,31,58,.06)}
.alf-content .alf-pt .pn{flex:none;color:var(--teal-ink);font-weight:800;line-height:1.6;min-width:10px}
.alf-content .alf-pt.num .pn{width:26px;height:26px;border-radius:50%;background:var(--primary-deep);color:#fff;display:grid;place-items:center;font-size:13px;line-height:1;margin-top:1px}
.alf-content .alf-pt .tx{flex:1;min-width:0}
.alf-content .alf-pt .es-en{font-weight:600;color:var(--text);line-height:1.55}
.alf-content .alf-pair{margin:6px 0}
.alf-content .alf-ascii{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;white-space:pre;overflow-x:auto;font-size:.86em;line-height:1.65;background:var(--blue-soft);border:1px solid var(--border);border-radius:10px;padding:12px 14px;color:var(--primary-deep);direction:ltr;text-align:left;max-width:100%}
/* tables re-presented as stacked cards */
.alf-content .alf-tcards{display:grid;gap:10px;margin:12px 0}
.alf-content .alf-tcap{font-weight:800;color:var(--primary-deep)}
.alf-content .alf-tcard-head{font-size:12.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.alf-content .alf-tcard-head .ar{display:inline;text-transform:none;letter-spacing:0;margin-inline-start:8px}
.alf-content .alf-tgroup{font-weight:800;color:var(--primary-deep);padding:6px 2px 0;border-bottom:2px solid var(--blue-soft)}
.alf-content .alf-tcard{background:var(--surface);border:1px solid var(--border);border-inline-start:4px solid var(--primary);border-radius:12px;padding:12px 14px;box-shadow:0 1px 2px rgba(11,31,58,.05)}
.alf-content .alf-tcard .tc-h{font-weight:800;color:var(--primary-deep);font-size:1.02em;margin-bottom:6px}
.alf-content .alf-tcard .tc-row{display:grid;grid-template-columns:minmax(110px,28%) minmax(0,1fr);gap:4px 14px;padding:7px 0;border-top:1px dashed var(--border)}
.alf-content .alf-tcard .tc-k{font-size:13px;font-weight:700;color:var(--muted)}
.alf-content .alf-tcard .tc-k .ar{font-size:12.5px}
.alf-content .alf-tcard .tc-v{min-width:0;overflow-wrap:anywhere}
@media (max-width:560px){.alf-content .alf-tcard .tc-row{grid-template-columns:1fr}}
.alf-content.alf-content .alf-bh .alf-say{color:#fff;border-color:rgba(255,255,255,.5)}
.alf-review-note{margin:12px 0 0;font-size:13.5px;color:var(--muted);background:var(--surface);border:1px dashed var(--border-strong);border-radius:10px;padding:9px 13px;line-height:1.6}
.alf-review-note .ar{display:block;margin-top:4px}
.alf-review-note a{font-weight:700;white-space:nowrap}
body.mode-en .alf-review-note .ar{display:none}
/* touch devices: every control gets at least a 44×44 px hit area without enlarging the small speaker icons */
@media (pointer:coarse){
  .alf-say{position:relative}
  .alf-say::after{content:"";position:absolute;inset:-9px}
  .alf-btn-sm,.alf-tab,.alf-tbtn,.alf-toc a,.alf-deck button{min-height:44px}
}
/* contents drawer */
.alf-toc{overflow:auto;scrollbar-width:thin}
.alf-toc h2{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 10px;padding-inline:10px}
.alf-toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.alf-toc a{display:flex;gap:9px;align-items:flex-start;padding:8px 10px;border-radius:10px;color:var(--text);text-decoration:none;font-size:14px;line-height:1.35;min-height:36px}
.alf-toc a .n{flex:none;min-width:24px;height:22px;border-radius:7px;background:var(--blue-soft);color:var(--primary-deep);font-weight:800;font-size:11.5px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.alf-toc a:hover{background:var(--blue-soft)}
.alf-toc a.on{background:var(--surface);box-shadow:var(--shadow-1);color:var(--primary-deep);font-weight:700}
.alf-toc a.on .n{background:var(--primary);color:#fff}
.alf-toc .div{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-ink);padding:12px 10px 4px}
.alf-toc .ty a{border:1.5px dashed var(--border-strong);margin-top:8px;font-weight:700;color:var(--primary-deep)}

/* =====================================================================
   PREMIUM LAYOUT RULES (both platforms)
   1. Every educational card stacks vertically — one card above the next, never beside it.
   2. Semantic colours: definitions blue · high-yield teal · learning notes purple · pearls yellow ·
      warnings red · explanations lavender. Colour is always paired with a label or icon.
   ===================================================================== */
.alf-content.alf-content .cols{columns:auto;column-count:1}
.alf-content.alf-content :is(.obj-grid,.vis-grid,.cmp,.stat-row,.tree-branches,.abbr-grid,.term-grid,.card-grid,.gcard-grid,.gloss,.abbrev-grid,.pgrid,.rev-grid,.fc-grid,.branches,.alf-pair,.bi){display:grid;grid-template-columns:minmax(0,1fr);gap:12px}
.alf-content.alf-content :is(.obj-grid,.vis-grid,.cmp,.stat-row,.tree-branches,.abbr-grid,.term-grid,.card-grid,.gcard-grid,.gloss,.abbrev-grid,.pgrid,.rev-grid,.fc-grid,.branches)>*{max-width:100%;grid-column:auto}
.alf-content .alf-stacked>*{min-width:0}
/* ladder tables and real tables become label–value cards */
.alf-content .alf-tcard.tc-neg{border-inline-start:4px solid var(--flag);background:var(--flag-soft)}
.alf-content .alf-tcard.tc-pos{border-inline-start:4px solid var(--success);background:var(--success-soft)}
.alf-content .alf-tcard .tc-row.tc-nolab{grid-template-columns:1fr}
/* semantic cards (legacy SMLE classes) */
.alf-content.alf-content :is(.pearl,.pearls,.clin-pearl){background:var(--pearl-soft);border:1px solid #F0DFA6;border-inline-start:4px solid var(--pearl);border-radius:12px;color:var(--text)}
.alf-content.alf-content :is(.kp,.alf-keypoints,.clin-note,.hy){background:var(--hy-soft);border:1px solid #BFE5DF;border-inline-start:4px solid var(--hy);border-radius:12px}
.alf-content.alf-content :is(.note.alert_blue,.note.alert-blue,.def,.definition){background:var(--def-soft);border:1px solid #C4E0F0;border-inline-start:4px solid var(--def);border-radius:12px}
.alf-content.alf-content :is(.note.alert-red,.note.alert_red,.redbox){background:var(--flag-soft);border:1px solid #F1C9CC;border-inline-start:4px solid var(--flag);border-radius:12px}
.alf-content.alf-content :is(.ethics-box,.biostat-box,.note.bio){background:var(--learn-soft);border:1px solid #DDD3F0;border-inline-start:4px solid var(--learn);border-radius:12px}
/* semantic cards (SNLE visual cards: kind set from the card title by alf-chapter.js) */
.alf-content.alf-content .vis-card{border-radius:14px;border:1px solid var(--border);background:var(--surface);border-inline-start:5px solid var(--primary)}
.alf-content.alf-content .vis-card.k-key{background:var(--hy-soft);border-color:#BFE5DF;border-inline-start-color:var(--hy)}
.alf-content.alf-content .vis-card.k-mem{background:var(--learn-soft);border-color:#DDD3F0;border-inline-start-color:var(--learn)}
.alf-content.alf-content .vis-card.k-warn{background:var(--flag-soft);border-color:#F1C9CC;border-inline-start-color:var(--flag)}
.alf-content.alf-content .vis-card.k-def{background:var(--def-soft);border-color:#C4E0F0;border-inline-start-color:var(--def)}
.alf-content.alf-content .vis-card.k-pearl{background:var(--pearl-soft);border-color:#F0DFA6;border-inline-start-color:var(--pearl)}
.alf-content.alf-content .vis-card.k-key .vis-title{color:var(--teal-ink)}
.alf-content.alf-content .vis-card.k-mem .vis-title{color:var(--learn-ink)}
.alf-content.alf-content .vis-card.k-warn .vis-title{color:var(--flag-ink)}
.alf-content.alf-content .vis-card.k-def .vis-title{color:var(--primary-deep)}
.alf-content.alf-content .vis-card.k-pearl .vis-title{color:var(--pearl-ink)}
.alf-content.alf-content .tree-b.b-warn{background:var(--flag-soft);border-color:#F1C9CC}
.alf-content.alf-content .tree-b.b-safe,.alf-content.alf-content .tree-b.b-ok{background:var(--success-soft);border-color:#BFE3CF}
.alf-content.alf-content .tree-b.b-info{background:var(--def-soft);border-color:#C4E0F0}
/* emphasis inside text: colour + weight, never colour alone */
.alf-content.alf-content :is(.kw,.hi){color:var(--primary-deep);font-weight:700}
.alf-content.alf-content .hr{color:var(--flag-ink);font-weight:700}
.alf-content.alf-content .hg{color:var(--success-ink);font-weight:700}
/* chapter outline at the opening */
.alf-outline{margin:14px 0 0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:14px 18px}
.alf-outline h2{font-size:16px;margin:0 0 8px;color:var(--primary-deep)}
.alf-outline h2 .ar{font-size:.95em;color:var(--muted);margin-inline-start:8px}
.alf-outline ol{margin:0;padding-inline-start:22px;display:grid;gap:4px;font-size:15px}
.alf-outline ol a{color:var(--text);text-decoration:none}
.alf-outline ol a:hover{color:var(--primary-deep);text-decoration:underline}
.alf-outline .meta{font-size:13.5px;color:var(--muted);margin-top:8px}
/* saved work markers */
.alf-case.done .no::after{content:"✓ worked · أُنجزت";margin-inline-start:8px;color:var(--success-ink);font-weight:800}
.alf-opening{margin-top:14px}
.alf-opening h3{font-size:16px;margin:14px 0 6px;color:var(--primary-deep)}
.alf-opening h3 .ar{font-size:.95em;color:var(--muted);margin-inline-start:8px}
.alf-objs{margin:0;padding-inline-start:22px;display:grid;gap:6px}
.alf-objs li .ar{display:block;color:var(--muted)}
.alf-terms{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.alf-term{background:var(--def-soft);border:1px solid #C4E0F0;border-inline-start:4px solid var(--def);border-radius:12px;padding:10px 14px}
.alf-term .tt b{color:var(--primary-deep)} .alf-term .tt .ar{display:block;font-weight:700;color:var(--primary-deep)}
.alf-term .td .ar{display:block;color:var(--muted)}
.alf-outline-list{margin-top:12px}
.alf-outline-list summary{cursor:pointer;font-weight:700;color:var(--primary-deep);min-height:var(--tap);display:flex;align-items:center;gap:8px}
.alf-outline-list summary .ar{font-weight:600;color:var(--muted)}
.alf-outline-list ol{margin:6px 0 0}
.alf-outline-list li .ar{display:block;font-size:13.5px;color:var(--muted)}
.alf-opening .acts{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}
.alf-opening .acts .ar{margin-inline-start:6px;font-weight:600}
body.mode-en .alf-opening .ar{display:none!important}
.alf-outline h2 .ar,.alf-opening h3 .ar,.alf-outline-list summary .ar{margin:0 0 0 10px}
.alf-outline .meta .ar{display:block;margin-top:2px}
.alf-opening .acts .ar{margin:0 0 0 8px}
.alf-content.alf-content .alf-tcard.tc-neg .ar,.alf-content.alf-content .alf-tcard.tc-pos .ar{background:transparent}
/* long paragraphs shown as learning points (one sentence per point, nothing removed) */
.alf-content .alf-points{margin:0 0 14px;background:var(--surface);border:1px solid var(--border);border-inline-start:4px solid var(--hy);border-radius:12px;padding:10px 16px}
.alf-content .alf-points ul{margin:0;padding-inline-start:20px;display:grid;gap:6px}
.alf-content .alf-points li{line-height:1.65}
.alf-content .alf-points li::marker{color:var(--hy)}
.alf-content .alf-points .alf-ar-points{margin-top:10px;padding-top:10px;border-top:1px dashed var(--border);background:transparent;padding-inline-start:20px}
/* breadcrumbs never widen small screens: long part names are shortened with an ellipsis */
.alf-cbar .crumb{overflow:hidden}
.alf-cbar .crumb a{overflow:hidden;text-overflow:ellipsis;min-width:0;flex:0 1 auto}
.alf-cbar .crumb>span[aria-hidden]{flex:none}
@media (max-width:420px){.alf-cbar .crumb a:first-child,.alf-cbar .crumb a:first-child+span{display:none}}
/* visual-card headers: soft semantic tint with dark readable text (no dark header bars) */
.alf-content.alf-content .vis-card .vis-head{background:var(--def-soft);color:var(--primary-deep);border-bottom:1px solid var(--border)}
.alf-content.alf-content .vis-card .vis-title-ar{opacity:1;color:var(--muted)}
.alf-content.alf-content .vis-card.k-key .vis-head{background:#D7F0EC;color:var(--teal-ink)}
.alf-content.alf-content .vis-card.k-mem .vis-head{background:#E7DEF6;color:var(--learn-ink)}
.alf-content.alf-content .vis-card.k-warn .vis-head{background:#F8DCDF;color:var(--flag-ink)}
.alf-content.alf-content .vis-card.k-def .vis-head{background:#D9ECF7;color:var(--primary-deep)}
.alf-content.alf-content .vis-card.k-pearl .vis-head{background:#FBEFC4;color:var(--pearl-ink)}
.alf-content.alf-content .alf-bh,.alf-content.alf-content .cxq-h{background:linear-gradient(160deg,#247EAA,#1F74A0)}
/* cross-reference notes (replace repeated figures / duplicate blocks; link to where the material is) */
.alf-xref{margin:14px 0;padding:10px 14px;border-radius:var(--r-sm);background:var(--def-soft);border:1px solid var(--border);border-inline-start:4px solid var(--def);color:var(--text);font-size:15.5px}
.alf-xref .ar{display:block;margin-top:4px}
.alf-resume{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0}
/* contrast (WCAG AA) — brand blue used as text on tinted panels is darkened; legacy light-on-dark text inside pale pearl cards becomes dark */
.alf-content.alf-content .note.alert_blue .note-lede,.alf-content.alf-content .note.alert-blue .note-lede,.alf-content.alf-content .biostat-box h4,.alf-content.alf-content .biostat-box h4 .ar,.alf-content.alf-content .ethics-box h4,.alf-content.alf-content .ethics-box h4 .ar,.alf-content.alf-content .ladder-title,.alf-content.alf-content .redbox h3 .ar,.alf-content.alf-content .abbr b,.alf-content.alf-content .gcard .gh,.alf-content.alf-content h3 .ar,.alf-content.alf-content .af-integrated-panel h3,.alf-content.alf-content .af-integrated-panel h3 .ar{color:var(--primary-deep)}
.alf-content.alf-content .kp .kh{background:var(--primary-deep)}
.alf-content.alf-content .cxq-h .tag{background:#164F6D;color:#fff}
.alf-content.alf-content .pearls .lbl,.alf-content.alf-content .pearls .lbl .ar,.alf-content.alf-content .pearl,.alf-content.alf-content .pearl .ar,.alf-content.alf-content .pearl .en,.alf-content.alf-content .pearl b,.alf-content.alf-content .pearl b .ar,.alf-content.alf-content .pearl div{color:var(--pearl-ink)}

/* ===== speaker buttons: one per English sentence; never restyled by a chapter's own button rules ===== */
button.alf-say.alf-say{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;min-width:0;min-height:0;margin:0;margin-inline-end:5px;vertical-align:-6px;border:0;border-radius:7px;background:transparent;color:var(--primary);cursor:pointer;padding:0;flex:none;opacity:.82;font:inherit;line-height:1;box-shadow:none;text-transform:none;letter-spacing:0}
button.alf-say.alf-say svg{width:17px;height:17px;display:block;flex:none;margin:0}
button.alf-say.alf-say:hover,button.alf-say.alf-say:focus-visible{opacity:1;background:var(--blue-soft);color:var(--primary-deep);border:0}
button.alf-say.alf-say.playing{opacity:1;color:#fff;background:var(--primary)}
button.alf-say.alf-say.ar-say{color:var(--teal-ink)}
button.alf-say.alf-say.ar-say.unavailable{color:#9AA9B1;cursor:help}
button.alf-say.alf-say.ar-say.playing{background:var(--accent-teal);color:#fff}
button.alf-say.alf-say.alf-say-s{width:23px;height:23px;vertical-align:-5px;margin-inline-start:2px;margin-inline-end:3px}
button.alf-say.alf-say.alf-say-s svg{width:15px;height:15px}
.alf-content.alf-content .alf-bh button.alf-say,.alf-content.alf-content .alf-bh button.alf-say.alf-say{color:#fff}
.alf-run{display:inline}
.alf-opts>li.has-say{display:flex;align-items:flex-start;gap:6px}
.alf-opts>li.has-say>.alf-opt{flex:1 1 auto;min-width:0}
.alf-opts>li.has-say>button.alf-say.alf-say{margin-top:12px}

/* ===== every card and card group fills the reading column (no half-width cards) ===== */
.alf-content.alf-content .alf-stacked{align-items:stretch;justify-items:stretch}
.alf-content.alf-content .alf-stacked>:not(img):not(svg):not(button):not(hr):not(figure):not(.alf-say){align-self:stretch;justify-self:stretch;width:auto;max-width:100%}
.alf-sentwrap{display:inline;min-width:0;flex:1 1 auto}
/* a chapter's four pages: sections (reading) and separate questions, flashcards and cases pages (chapter.html?page=…) */
.alf-chead .chips a.alf-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}
.alf-chead .chips a.alf-chip.is-active:hover{color:#fff}
.alf-chead .chips a.alf-chip:not(.is-active):hover{border-color:var(--primary);color:var(--primary-deep)}
body.pg-sections .alf-test{display:none}
body:not(.pg-sections) :is(.alf-opening,.alf-content,.alf-resume,.alf-slidebar,.alf-toc,.alf-toc-btn,#alf-view){display:none !important}
body:not(.pg-sections) .alf-test .alf-tabs{display:none}
body:not(.pg-sections) .alf-test{margin-top:18px}
/* slides-only sections page (config/exam.json "sectionsView": "slides"): no reading/slide toggle; chapter links under the last slide */
body[data-sections="slides"] #alf-view{display:none}
body.view-slides.on-last-slide .alf-cnav{display:flex}
/* a section taller than the screen is shown one page at a time: its body is a window onto one page (nothing inside is changed) */
.alf-sec>.body.alf-paged{overflow-x:auto;overflow-y:hidden;overscroll-behavior:contain}
.alf-slidebar .pg{font-size:12.5px;font-weight:700;color:var(--primary-deep);background:var(--blue-soft);border-radius:var(--r-pill);padding:3px 9px;font-variant-numeric:tabular-nums;white-space:nowrap}
.alf-slidebar .pg[hidden]{display:none}
@media (max-width:640px){.alf-slidebar .pg .w{display:none}}
/* the ▦ slide number and the page number open "Go to a slide or page": every slide as a numbered tile, every page of
   the slide being read, and a box to type a slide number */
.alf-slidebar .jump{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:34px;padding:4px 11px 4px 9px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--surface);color:var(--primary-deep);font:inherit;cursor:pointer;white-space:nowrap;flex:none}
@media (hover:hover){.alf-slidebar .jump:hover{border-color:var(--primary);background:var(--blue-soft)}}
.alf-slidebar .jump:focus-visible,.alf-slidebar .pg:focus-visible{outline:2px solid var(--focus,var(--primary));outline-offset:2px}
.alf-slidebar .jump .w{font-size:12.5px;font-weight:700;color:var(--muted)}
.alf-slidebar .jump .pos{min-width:0}
.alf-slidebar .jump .grid{width:15px;height:15px;flex:none;fill:var(--primary)}
@media (max-width:640px){.alf-slidebar .jump .w{display:none}.alf-slidebar .jump{padding:4px 9px 4px 8px;gap:5px}}
@media (pointer:coarse){.alf-slidebar .jump{min-height:40px}}
.alf-slidebar .pg{min-height:28px;border:0;font-family:inherit;line-height:1.4;cursor:pointer}
@media (hover:hover){.alf-slidebar .pg:hover{background:var(--primary);color:#fff}}
@media (pointer:coarse){.alf-slidebar .pg{min-height:34px;padding:3px 10px}}
.alf-jump{position:fixed;inset:0;z-index:130;background:rgba(20,48,79,.42);display:flex;align-items:flex-end;justify-content:center;padding:12px;padding-bottom:max(12px,env(safe-area-inset-bottom,0px));touch-action:none}
@media (min-width:641px){.alf-jump{align-items:center;padding:24px}}
.alf-jump .card{width:min(720px,100%);max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px);display:flex;flex-direction:column;background:var(--surface);border-radius:var(--r-lg,var(--r));box-shadow:var(--shadow-3,var(--shadow-2));overflow:hidden;outline:none;touch-action:auto}
@media (min-width:641px){.alf-jump .card{max-height:min(760px,calc(100vh - 48px));max-height:min(760px,calc(100dvh - 48px))}}
.alf-jump .hd{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 10px 4px 16px}
.alf-jump .hd b{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;font-size:17px;color:var(--primary-deep)}
.alf-jump .hd b .ar{font-size:14.5px;font-weight:700;color:var(--muted)}
.alf-jump .x{flex:none;width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}
@media (hover:hover){.alf-jump .x:hover{background:var(--blue-soft);color:var(--primary-deep)}}
.alf-jump .go{padding:2px 16px 12px;border-bottom:1px solid var(--border)}
.alf-jump .go label{display:flex;flex-wrap:wrap;gap:2px 10px;margin-bottom:6px;font-size:13px;font-weight:700;color:var(--muted)}
.alf-jump .row{display:flex;gap:8px}
.alf-jump input{flex:1;min-width:0;height:46px;padding:0 14px;border:1px solid var(--border-strong,var(--border));border-radius:var(--r-sm,10px);background:var(--surface);color:var(--text);font:700 18px/1 var(--font-en);font-variant-numeric:tabular-nums}
.alf-jump input:focus{outline:2px solid var(--focus,var(--primary));outline-offset:1px;border-color:var(--primary)}
.alf-jump .row .alf-btn{min-height:46px;padding-inline:18px;gap:8px;flex:none}
.alf-jump .err{margin:8px 0 0;color:var(--error-ink,#B42318);font-size:13px;font-weight:600}
.alf-jump .err .ar{display:inline}
.alf-jump .scroll{position:relative;flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y;padding:4px 14px 14px}
.alf-jump h3{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;margin:12px 2px 8px;font-size:14px;font-weight:800;color:var(--primary-deep)}
.alf-jump h3 .ar{font-size:13px;font-weight:700;color:var(--muted)}
.alf-jump ol{margin:0;padding:0;list-style:none}
.alf-jump .pages ol{display:flex;flex-wrap:wrap;gap:8px}
.alf-jump .pages button{min-width:44px;height:44px;padding:0 8px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--surface);color:var(--primary-deep);font:800 15px/1 var(--font-en);font-variant-numeric:tabular-nums;cursor:pointer}
.alf-jump .pages button.on{background:var(--primary);border-color:var(--primary);color:#fff}
.alf-jump .slides ol{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.alf-jump .slides button{display:flex;flex-direction:column;align-items:flex-start;gap:6px;width:100%;height:100%;min-height:92px;padding:10px 11px;border:1px solid var(--border);border-radius:var(--r-sm,10px);background:var(--surface);color:var(--text);font:inherit;text-align:start;cursor:pointer}
.alf-jump .slides button.on{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary) inset;background:var(--blue-soft)}
@media (hover:hover){.alf-jump .pages button:not(.on):hover,.alf-jump .slides button:not(.on):hover{border-color:var(--primary);background:var(--surface-2,var(--blue-soft))}}
.alf-jump .slides .n{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 6px;border-radius:var(--r-pill);background:var(--blue-soft);color:var(--primary-deep);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums}
.alf-jump .slides button.on .n{background:var(--primary);color:#fff}
.alf-jump .slides .t{display:flex;flex-direction:column;gap:2px;min-width:0;width:100%}
.alf-jump .slides .t .en{font-size:13.5px;font-weight:700;line-height:1.3;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.alf-jump .slides .t .ar{font-size:12.5px;font-weight:500;line-height:1.4;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media (max-width:380px){.alf-jump .slides ol{grid-template-columns:repeat(2,minmax(0,1fr))}}
body.mode-en .alf-jump .ar{display:none!important}
/* clinical cases: one case per slide, with its own slide bar */
#pane-cs.alf-cs-slides .alf-case{display:none;margin-bottom:0}
#pane-cs.alf-cs-slides .alf-case.is-current{display:block}
.alf-csbar{position:sticky;bottom:0;z-index:60;margin-top:14px;background:rgba(255,255,255,.97);border:1px solid var(--border);border-radius:var(--r);box-shadow:var(--shadow-2);padding:8px 10px;display:flex;align-items:center;gap:10px}
.alf-csbar .pos{font-weight:800;font-size:14px;color:var(--primary-deep);min-width:64px;text-align:center;font-variant-numeric:tabular-nums}
.alf-csbar .rail{flex:1;height:8px;background:var(--blue-soft);border-radius:var(--r-pill);overflow:hidden}
.alf-csbar .rail i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent-teal));transition:width .25s}
.alf-csbar .ttl{max-width:34%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;color:var(--muted);font-weight:600}
@media (max-width:640px){.alf-csbar .ttl{display:none}}
/* on chapter pages the "saved" note fades away once saving is confirmed, so it does not sit over the slide controls (problems stay shown) */
.alf-chapter-page .alf-save.fade{opacity:0}
.alf-chapter-page.view-slides .alf-save,.alf-chapter-page.pg-cases .alf-save{bottom:78px}
.alf-sec>.body.alf-paged img{object-fit:contain}
body.view-slides.alf-short .alf-cbar{position:relative}

/* bold words inside a box's text stay in the line: old chapter stylesheets made every bold word inside .tree-b and .stat a block of its own */
.alf-content.alf-content .tree-b > :not(b) :is(b,strong),.alf-content.alf-content .stat > :not(b) :is(b,strong){display:inline;margin:0;font-size:inherit;line-height:inherit}
/* SNLE: the opening of the original chapters (basmala and the prayer for beneficial knowledge) */
.alf-duaa .bism{grid-column:1/-1;text-align:center;font-family:var(--font-duaa);font-size:clamp(17px,1.8vw,20px);font-weight:700;color:var(--teal-ink);line-height:1.8;direction:rtl}
.alf-duaa .txt2{grid-column:2;display:flex;flex-direction:column;gap:2px;min-width:0}
.alf-duaa .q2{font-family:var(--font-duaa);font-size:clamp(19px,2.1vw,24px);font-weight:700;color:var(--primary-deep);direction:rtl;line-height:1.9}
.alf-duaa .en2{font-style:italic;color:var(--text);font-size:15px}
.alf-duaa .txt2~.txt{grid-column:2;padding-top:8px;border-top:1px dashed var(--mint-soft)}
.alf-duaa .txt2~.say{padding-top:8px}
@media (max-width:640px){.alf-duaa .txt2,.alf-duaa .txt2~.txt{grid-column:1}}
@media (max-width:600px){.alf-lightbox{padding:12px}}