/* Adhyayan Learn – front-end. Everything is scoped under .adhl-* so it never fights the theme. */
html body .adhl-app, html body .adhl-exam {
	--ink: #16202e; --muted: #5d6b7c; --line: #dfe5ec; --soft: #f4f6f9; --paper: #fff;
	--ok: #12805c; --bad: #c8362f; --mark: #6b4fbb; --warn: #b7791f; --skip: #cbd3dc;
	--accent: var(--adhl-accent, #1f4fd8);
	--accent-soft: color-mix(in srgb, var(--accent) 9%, #fff);
	font-family: "Hind Siliguri", system-ui, -apple-system, "Segoe UI", "Noto Sans Bengali", sans-serif;
	color: var(--ink); font-size: 16px; line-height: 1.6; box-sizing: border-box;
}
html body .adhl-app *, html body .adhl-exam *, html body .adhl-app *::before, html body .adhl-exam *::before, html body .adhl-app *::after, html body .adhl-exam *::after { box-sizing: border-box; }
html .adhl-app button, html .adhl-exam button, html .adhl-app input { font: inherit; color: inherit; }
html body .adhl-app a { color: var(--accent); }
html body .adhl-app :focus-visible, html body .adhl-exam :focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, #fff); outline-offset: 2px; }
html body .adhl-h { font-size: clamp(1.5rem, 3.4vw, 2.1rem); line-height: 1.25; margin: 0 0 .5rem; font-weight: 700; letter-spacing: -.01em; }
html body .adhl-h3 { font-size: 1.05rem; margin: 1.6rem 0 .6rem; font-weight: 600; }
html body .adhl-kicker { margin: 0 0 .25rem; color: var(--accent); font-weight: 600; font-size: .95rem; }
html body .adhl-hint, html body .adhl-note { color: var(--muted); font-size: .9rem; margin: .75rem 0 0; }
html body .adhl-note { background: var(--soft); border-left: 3px solid var(--warn); padding: .6rem .8rem; border-radius: 0 6px 6px 0; color: var(--ink); }
html body .adhl-empty, html body .adhl-boot { color: var(--muted); padding: 1rem 0; }
html body .adhl-err { color: var(--bad); font-size: .92rem; min-height: 1.4em; margin: .5rem 0; }
html body .adhl-link { background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; cursor: pointer; }
html body .adhl-rich img { max-width: 100%; height: auto; }
html body .adhl-rich table { border-collapse: collapse; margin: .5rem 0; max-width: 100%; display: block; overflow-x: auto; }
html body .adhl-rich th, html body .adhl-rich td { border: 1px solid var(--line); padding: .35rem .6rem; text-align: left; }
html body .adhl-rich th { background: var(--soft); }
html body .adhl-rich p { margin: 0 0 .6rem; }
html body .adhl-rich p:last-child { margin-bottom: 0; }

/* buttons */
html body .adhl-btn { border: 1px solid var(--line); background: var(--paper); border-radius: 6px; padding: .55rem 1rem; cursor: pointer; font-weight: 500; line-height: 1.3; transition: background .15s, border-color .15s; }
html body .adhl-btn:hover:not(:disabled) { border-color: var(--accent); }
html body .adhl-btn:disabled { opacity: .5; cursor: not-allowed; }
html body .adhl-btn-primary { background: var(--accent); border-color: var(--accent); color: #fff !important; }
html body .adhl-btn-primary:hover:not(:disabled) { background: color-mix(in srgb, var(--accent) 88%, #000); }
html body .adhl-btn-wa { background: #1c8a4e; border-color: #1c8a4e; color: #fff !important; }
html body .adhl-btn-wa:hover:not(:disabled) { background: #176f3f; }
html body .adhl-btn-mark { border-color: var(--mark); color: var(--mark); }
html body .adhl-btn-lg { padding: .8rem 1.2rem; font-size: 1.05rem; width: 100%; }
html body .adhl-lang { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
html body .adhl-lang button { border: 0; background: var(--paper); padding: .35rem .8rem; cursor: pointer; font-size: .9rem; }
html body .adhl-lang button.on { background: var(--ink); color: #fff; }

/* tables */
html body .adhl-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
html body .adhl-table { width: 100%; border-collapse: collapse; font-size: .95rem; margin: 0; }
html body .adhl-table th, html body .adhl-table td { padding: .55rem .8rem; text-align: left; border: 0; border-bottom: 1px solid var(--line); white-space: nowrap; }
html body .adhl-table th { font-size: .82rem; font-weight: 600; color: var(--muted); background: var(--soft); }
html body .adhl-table tbody tr:last-child td { border-bottom: 0; }
html body .adhl-table tr.me td { background: var(--accent-soft); }
html body .adhl-table em { font-style: normal; font-size: .78rem; background: var(--accent); color: #fff; padding: 0 .4rem; border-radius: 3px; margin-left: .3rem; }

/* ---------- listing ---------- */
html body .adhl-filters { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.2rem; }
html body .adhl-search { width: 100%; max-width: 420px; border: 1px solid var(--line); border-radius: 6px; padding: .6rem .8rem; background: var(--paper); }
html body .adhl-chips { display: flex; flex-wrap: wrap; gap: .4rem; }
html body .adhl-chips button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: .25rem .85rem; cursor: pointer; font-size: .92rem; }
html body .adhl-chips button.on { background: var(--ink); border-color: var(--ink); color: #fff; }
html body .adhl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1rem; }
html body .adhl-card { display: flex; flex-direction: column; gap: .5rem; border: 1px solid var(--line); border-radius: 10px; padding: 1.1rem 1.15rem; text-decoration: none !important; color: var(--ink) !important; background: var(--paper); transition: border-color .15s; }
html body .adhl-card:hover { border-color: var(--accent); }
html body .adhl-card[hidden] { display: none; }
html body .adhl-card-kicker { font-size: .85rem; color: var(--accent); font-weight: 600; }
html body .adhl-card-title { font-size: 1.15rem; font-weight: 600; line-height: 1.35; }
html body .adhl-card-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .15rem .55rem; color: var(--muted); font-size: .92rem; }
html body .adhl-card-meta b { color: var(--ink); font-weight: 600; }
html body .adhl-card-meta i { width: 3px; height: 3px; border-radius: 50%; background: var(--skip); }
html body .adhl-card-foot { margin-top: auto; padding-top: .7rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: .5rem; align-items: center; font-size: .85rem; color: var(--muted); }
html body .adhl-card-go { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* ---------- start screen ---------- */
html body .adhl-start { display: grid; gap: 2rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 860px) { html body .adhl-start { grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr); } }
html body .adhl-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; margin: 1rem 0; }
@media (min-width: 560px) { html body .adhl-facts { grid-template-columns: repeat(4, 1fr); } }
html body .adhl-facts div { border: 1px solid var(--line); border-radius: 8px; padding: .6rem .8rem; }
html body .adhl-facts dt { font-size: .8rem; color: var(--muted); }
html body .adhl-facts dd { margin: 0; font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }
html body .adhl-seclist { list-style: none; margin: 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; }
html body .adhl-seclist li { display: flex; justify-content: space-between; padding: .5rem .8rem; border-bottom: 1px solid var(--line); }
html body .adhl-seclist li:last-child { border-bottom: 0; }
html body .adhl-ins { color: #2b3645; }
html body .adhl-ins ul, html body .adhl-ins ol { padding-left: 1.2rem; }
html body .adhl-startbox { border: 1px solid var(--line); border-radius: 10px; padding: 1.2rem; background: var(--soft); position: sticky; top: 1rem; }
html body .adhl-startbox .adhl-h3 { margin-top: 0; }
html body .adhl-startbox label, html body .adhl-lbl { display: block; font-weight: 600; font-size: .92rem; margin: .8rem 0 .3rem; }
html body .adhl-startbox input[type=text] { width: 100%; border: 1px solid #b9c3cf; border-radius: 6px; padding: .7rem .8rem; background: #fff; font-size: 1rem; }
html body .adhl-below { margin-top: 1rem; display: grid; gap: 1rem; }

/* ---------- exam: full-screen so theme chrome never distracts ---------- */
html.adhl-lock, html.adhl-lock body { overflow: hidden !important; }
html body .adhl-exam { position: fixed; inset: 0; z-index: 999999; background: var(--paper); display: flex; flex-direction: column; }
html body .adhl-bar { display: flex; align-items: center; gap: .75rem; padding: .55rem .9rem; border-bottom: 1px solid var(--line); background: var(--paper); flex-wrap: wrap; }
html body .adhl-bar-title { flex: 1 1 140px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
html body .adhl-timer { display: flex; align-items: baseline; gap: .45rem; padding: .25rem .75rem; border: 1px solid var(--line); border-radius: 6px; font-variant-numeric: tabular-nums; }
html body .adhl-timer b { font-size: 1.3rem; font-weight: 700; min-width: 3.6ch; text-align: right; }
html body .adhl-timer.warn { border-color: var(--warn); background: #fdf6e7; }
html body .adhl-timer.crit { border-color: var(--bad); background: #fdeceb; color: var(--bad); }
html body .adhl-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--line); overflow-x: auto; background: var(--soft); }
html body .adhl-tabs[hidden] { display: none; }
html body .adhl-tabs button { border: 0; border-bottom: 3px solid transparent; background: none; padding: .6rem 1.1rem; cursor: pointer; white-space: nowrap; font-weight: 500; }
html body .adhl-tabs button small { margin-left: .4rem; color: var(--muted); font-size: .8rem; }
html body .adhl-tabs button.on { border-bottom-color: var(--accent); color: var(--accent); background: var(--paper); font-weight: 600; }
html body .adhl-body { flex: 1; display: flex; min-height: 0; }
html body .adhl-qpane { flex: 1; overflow-y: auto; padding: 1.1rem 1.2rem 2rem; outline: 0; min-width: 0; }
html body .adhl-qpane.has-passage { display: grid; gap: 1.4rem; grid-template-columns: 1fr; align-content: start; }
@media (min-width: 1000px) { html body .adhl-qpane.has-passage { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } html body .adhl-passage { position: sticky; top: 0; max-height: calc(100vh - 220px); overflow-y: auto; } }
html body .adhl-passage { border: 1px solid var(--line); background: var(--soft); border-radius: 8px; padding: .9rem 1rem; align-self: start; }
html body .adhl-passage-h { font-weight: 600; margin-bottom: .4rem; }
html body .adhl-qcol { max-width: 820px; min-width: 0; }
html body .adhl-qmeta { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .8rem; margin-bottom: .8rem; }
html body .adhl-qno { font-weight: 700; font-size: 1.1rem; }
html body .adhl-qno small { font-weight: 400; color: var(--muted); font-size: .85rem; }
html body .adhl-qmarks b { color: var(--ok); }
html body .adhl-qmarks em { font-style: normal; color: var(--bad); margin-left: .4rem; }
html body .adhl-tag { background: var(--soft); border: 1px solid var(--line); border-radius: 4px; padding: 0 .5rem; font-size: .82rem; color: var(--muted); }
html body .adhl-bm.on { color: var(--warn); font-weight: 600; }
html body .adhl-q { font-size: 1.15rem; line-height: 1.65; margin-bottom: 1rem; }
html body .adhl-opts { display: grid; gap: .6rem; }
html body .adhl-opt { display: flex; align-items: flex-start; gap: .8rem; text-align: left; width: 100%; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: .7rem .9rem; cursor: pointer; transition: border-color .12s, background .12s; }
html body .adhl-opt:hover { border-color: #9fb0c4; }
html body .adhl-opt-k { flex: none; width: 1.9rem; height: 1.9rem; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-weight: 600; font-size: .9rem; background: var(--soft); }
html body .adhl-opt-t { padding-top: .1rem; min-width: 0; font-size: 1.05rem; }
html body .adhl-opt.on { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
html body .adhl-opt.on .adhl-opt-k { background: var(--accent); border-color: var(--accent); color: #fff; }
html body .adhl-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.4rem; }
html body .adhl-actions .adhl-btn-primary { margin-left: auto; }

/* palette */
html body .adhl-palette { width: 290px; flex: none; border-left: 1px solid var(--line); background: var(--soft); padding: 1rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
html body .adhl-pal-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .45rem; }
html body .adhl-pb { position: relative; aspect-ratio: 1; border-radius: 6px; border: 1px solid transparent; font-weight: 600; cursor: pointer; font-variant-numeric: tabular-nums; }
html body .s-nv { background: var(--paper); border: 1px solid var(--skip) !important; color: var(--ink); }
html body .s-na { background: #fbe4e2; border: 1px solid #efb3ae !important; color: #8f231d; }
html body .s-ans { background: var(--ok); color: #fff; }
html body .s-mk { background: var(--mark); color: #fff; border-radius: 50% !important; }
html body .s-mk-ans { background: var(--mark); color: #fff; border-radius: 50% !important; box-shadow: inset 0 -6px 0 -2px #4fd39f; }
html body .adhl-pb.cur { outline: 3px solid var(--ink); outline-offset: 1px; }
html body .adhl-pb.bm::after { content: "★"; position: absolute; top: -6px; right: -3px; font-size: .75rem; color: var(--warn); text-shadow: 0 0 2px #fff; }
html body .adhl-legend { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem .6rem; font-size: .85rem; }
html body .adhl-legend li { display: flex; align-items: center; gap: .4rem; }
html body .adhl-legend i { width: 16px; height: 16px; border-radius: 4px; flex: none; }
html body .adhl-legend li:nth-child(3) i { border-radius: 50%; }
html body .adhl-pal-submit { margin-top: auto; }

@media (prefers-reduced-motion: reduce) { html body .adhl-palette { transition: none; } }

/* modal + toast */
html body .adhl-modal { position: absolute; inset: 0; background: rgba(22, 32, 46, .55); display: grid; place-items: center; padding: 1rem; z-index: 20; }
html body .adhl-modal-box { background: var(--paper); border-radius: 12px; padding: 1.3rem; max-width: 640px; width: 100%; max-height: 90vh; overflow: auto; }
html body .adhl-modal-box h3 { margin: 0 0 .6rem; font-size: 1.2rem; }
html body .adhl-modal-act { display: flex; gap: .6rem; justify-content: flex-end; margin-top: 1rem; }
html body .adhl-toast { position: absolute; left: 50%; bottom: 4.5rem; transform: translateX(-50%); background: var(--ink); color: #fff; padding: .55rem 1rem; border-radius: 6px; z-index: 30; }

/* ---------- result ---------- */
html body .adhl-res-hero { border: 1px solid var(--line); border-radius: 12px; padding: 1.4rem; background: var(--paper); }
html body .adhl-back { margin-bottom: .6rem; display: block; }
html body .adhl-res-name { color: var(--muted); margin: 0 0 .6rem; }
html body .adhl-score { display: flex; align-items: baseline; gap: .6rem; margin: .4rem 0 .9rem; }
html body .adhl-score b { font-size: clamp(3.2rem, 11vw, 5.2rem); line-height: 1; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
html body .adhl-score span { color: var(--muted); font-size: 1.1rem; }
html body .adhl-strip { display: flex; flex-wrap: wrap; gap: 4px; }
html body .adhl-strip i, html body .adhl-strip-key i { width: 16px; height: 16px; border-radius: 3px; background: var(--skip); display: inline-block; }
html body .adhl-strip i.c, html body .adhl-strip-key i.c { background: var(--ok); }
html body .adhl-strip i.w, html body .adhl-strip-key i.w { background: var(--bad); }
html body .adhl-strip-key { display: flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--muted); margin: .5rem 0 1.1rem; }
html body .adhl-strip-key i { width: 11px; height: 11px; margin-left: .6rem; }
html body .adhl-strip-key i:first-child { margin-left: 0; }
html body .adhl-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; margin: 0; }
@media (min-width: 640px) { html body .adhl-kpis { grid-template-columns: repeat(4, 1fr); } }
html body .adhl-kpis div { border: 1px solid var(--line); border-radius: 8px; padding: .55rem .8rem; }
html body .adhl-kpis dt { font-size: .8rem; color: var(--muted); }
html body .adhl-kpis dd { margin: 0; font-size: 1.4rem; font-weight: 700; font-variant-numeric: tabular-nums; }
html body .adhl-kpis dd small { font-size: .78rem; font-weight: 400; color: var(--muted); margin-left: .35rem; }
html body .adhl-res-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.1rem; }
html body .adhl-rtabs { display: flex; gap: .2rem; margin: 1.4rem 0 0; border-bottom: 1px solid var(--line); overflow-x: auto; }
html body .adhl-rtabs button { border: 0; background: none; padding: .65rem 1rem; border-bottom: 3px solid transparent; cursor: pointer; white-space: nowrap; font-weight: 500; }
html body .adhl-rtabs button.on { border-bottom-color: var(--accent); color: var(--accent); font-weight: 600; }
html body .adhl-rbody { padding-top: .4rem; }
html body .adhl-topics { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
html body .adhl-topic-h { display: flex; justify-content: space-between; gap: .6rem; align-items: baseline; }
html body .adhl-topic-h em { font-style: normal; color: var(--muted); font-size: .85rem; margin-left: .3rem; }
html body .adhl-lv { font-size: .8rem; padding: 0 .55rem; border-radius: 999px; border: 1px solid; white-space: nowrap; }
html body .adhl-lv.weak { color: var(--bad); border-color: #efb3ae; background: #fdeceb; }
html body .adhl-lv.avg { color: var(--warn); border-color: #ecd49c; background: #fdf6e7; }
html body .adhl-lv.strong { color: var(--ok); border-color: #a9dcc8; background: #eaf7f1; }
html body .adhl-bar-track { height: 8px; background: var(--soft); border-radius: 4px; overflow: hidden; margin: .35rem 0 .2rem; border: 1px solid var(--line); }
html body .adhl-bar-track i { display: block; height: 100%; }
html body .adhl-bar-track i.weak { background: var(--bad); }
html body .adhl-bar-track i.avg { background: var(--warn); }
html body .adhl-bar-track i.strong { background: var(--ok); }
html body .adhl-topic-f { font-size: .85rem; color: var(--muted); }

/* solutions */
html body .adhl-solbar { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: space-between; align-items: center; margin: 1rem 0; }
html body .adhl-pills { display: flex; flex-wrap: wrap; gap: .4rem; }
html body .adhl-pills button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: .25rem .8rem; cursor: pointer; font-size: .9rem; }
html body .adhl-pills button.on { background: var(--ink); color: #fff; border-color: var(--ink); }
html body .adhl-pills small { opacity: .7; }
html body .adhl-sol { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; margin-bottom: 1rem; background: var(--paper); }
html body .adhl-sol-h { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .7rem; margin-bottom: .7rem; }
html body .adhl-sol-t { margin-left: auto; color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
html body .adhl-bd { font-size: .85rem; font-weight: 600; padding: 0 .6rem; border-radius: 999px; }
html body .adhl-bd.c { background: #eaf7f1; color: var(--ok); }
html body .adhl-bd.w { background: #fdeceb; color: var(--bad); }
html body .adhl-bd.s { background: var(--soft); color: var(--muted); }
html body .adhl-passage-d { background: var(--soft); border-radius: 8px; padding: .5rem .8rem; margin-bottom: .8rem; }
html body .adhl-passage-d summary { cursor: pointer; font-weight: 600; }
html body .adhl-sopts { list-style: none; margin: .8rem 0 0; padding: 0; display: grid; gap: .45rem; }
html body .adhl-sopts li { display: flex; gap: .7rem; align-items: flex-start; border: 1px solid var(--line); border-radius: 8px; padding: .5rem .8rem; position: relative; }
html body .adhl-sopts li > span.adhl-rich { flex: 1; min-width: 0; }
html body .adhl-sopts li em { font-style: normal; font-size: .78rem; font-weight: 600; white-space: nowrap; }
html body .adhl-sopts li.ok { border-color: var(--ok); background: #eaf7f1; }
html body .adhl-sopts li.ok em, html body .adhl-sopts li.ok .adhl-opt-k { color: var(--ok); }
html body .adhl-sopts li.ok .adhl-opt-k { background: var(--ok); color: #fff; border-color: var(--ok); }
html body .adhl-sopts li.bad { border-color: var(--bad); background: #fdeceb; }
html body .adhl-sopts li.bad em { color: var(--bad); }
html body .adhl-sopts li.bad .adhl-opt-k { background: var(--bad); color: #fff; border-color: var(--bad); }
html body .adhl-expl { margin-top: .9rem; padding: .8rem 1rem; background: var(--soft); border-left: 3px solid var(--accent); border-radius: 0 8px 8px 0; }
html body .adhl-expl > b { display: block; font-size: .85rem; margin-bottom: .2rem; }
html body .adhl-me .adhl-h { margin-bottom: .2rem; }
html body .adhl-lb td:first-child { font-weight: 700; }

@media print { html body .adhl-exam { display: none; } }

/* ---------- pass / paywall ---------- */
html body .adhl-badge { display: inline-block; font-size: .78rem; font-weight: 600; line-height: 1.5; padding: 0 .55rem; border-radius: 999px; border: 1px solid; vertical-align: middle; }
html body .adhl-badge.free { color: var(--ok); border-color: #a9dcc8; background: #eaf7f1; }
html body .adhl-badge.pro { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, #fff); background: var(--accent-soft); }
html body .adhl-card-kicker .adhl-badge { margin-right: .35rem; }
html body .adhl-gate .adhl-badge, html body .adhl-startbox > .adhl-badge { margin-bottom: .5rem; }
html body .adhl-gate-p { margin: .2rem 0 1rem; color: #2b3645; }
html body .adhl-plans { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
html body .adhl-plans li { display: grid; grid-template-columns: 1fr auto auto; gap: .8rem; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: .7rem .85rem; background: var(--paper); }
html body .adhl-plans li b { display: block; line-height: 1.3; }
html body .adhl-plans li small { color: var(--muted); font-size: .82rem; }
html body .adhl-price { font-weight: 700; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
html body .adhl-plans .adhl-btn { text-decoration: none; text-align: center; }
@media (max-width: 420px) { html body .adhl-plans li { grid-template-columns: 1fr auto; } html body .adhl-plans li .adhl-btn { grid-column: 1 / -1; } }
html body .adhl-pass { display: inline-block; margin: 0 0 .6rem; padding: .2rem .75rem; border-radius: 999px; background: #eaf7f1; color: var(--ok); font-size: .88rem; font-weight: 600; border: 1px solid #a9dcc8; }
html body [data-me=pass] { margin: .6rem 0 1rem; }

/* ---------- account / auth ---------- */
html body .adhl-h4 { font-size: .95rem; font-weight: 600; margin: 1.2rem 0 .5rem; }
html body .adhl-auth-tabs { display: flex; gap: 0; margin-bottom: .9rem; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--paper); }
html body .adhl-auth-tabs button { flex: 1; border: 0; background: none; padding: .5rem; cursor: pointer; font-weight: 500; }
html body .adhl-auth-tabs button.on { background: var(--ink); color: #fff; }
html body .adhl-fl { display: block; margin-bottom: .7rem; }
html body .adhl-fl span { display: block; font-weight: 600; font-size: .9rem; margin-bottom: .25rem; }
html body .adhl-fl input { width: 100%; border: 1px solid #b9c3cf; border-radius: 6px; padding: .65rem .8rem; background: #fff; font-size: 1rem; }
html body .adhl-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
html body .adhl-err.ok { color: var(--ok); }
html body .adhl-auth form[hidden] { display: none; }
html body .adhl-plans-ro li { grid-template-columns: 1fr auto; }
html body .adhl-pn { display: inline-block; margin-left: .5rem; font-style: normal; font-size: .75rem; font-weight: 600; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 0 .5rem; }
html body .adhl-who { margin-top: 0; }
html body .adhl-me-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
html body .adhl-me-out { max-width: 520px; }
html body .adhl-reset { max-width: 420px; }
html body .adhl-me .adhl-gate { padding: 0; background: none; border: 0; }

/* ===== Adhyayan Learn: store, ebooks, courses, classroom, library ===== */
html body .adhl-app > .adhl-modal { position: fixed; z-index: 99999; }
html body .adhl-app { max-width: 1100px; margin-left: auto; margin-right: auto; }
html body .adhl-ok { border-left-color: var(--ok); }
html body .adhl-h4 { font-size: .95rem; margin: 1.2rem 0 .5rem; font-weight: 600; }
html body .adhl-owned { color: var(--ok); font-weight: 600; font-size: .9rem; white-space: nowrap; }
html body .adhl-panel { border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.3rem; background: var(--paper); margin: 1rem 0; }
html body .adhl-buyrow { display: flex; flex-wrap: wrap; align-items: baseline; gap: .4rem 1rem; margin: .7rem 0; }
html body .adhl-price-lg { font-size: 1.8rem; }
html body .adhl-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: .8rem 0 .2rem; }
html body .adhl-actions .adhl-btn-lg { width: auto; text-decoration: none; }
html body .adhl-btn[href] { text-decoration: none; display: inline-block; }

/* product cards */
html body .adhl-pcard { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--paper); text-decoration: none; color: inherit; }
html body a.adhl-pcard:hover { border-color: var(--accent); }
html body .adhl-pcard-img { display: block; aspect-ratio: 16 / 9; background: var(--soft) center / cover no-repeat; }
html body .adhl-pcard-ph { background: linear-gradient(135deg, var(--accent-soft), var(--soft)); }
html body .adhl-pcard-body { display: flex; flex-direction: column; gap: .4rem; padding: 1rem 1.05rem 1.05rem; flex: 1; }
html body .adhl-pcard-ex { color: var(--muted); font-size: .9rem; }
html body .adhl-card-acts { display: flex; align-items: center; gap: .7rem; }
html body .adhl-pcard .adhl-card-foot b { font-size: 1.15rem; }

/* checkout */
html body .adhl-co { border: 1px solid var(--line); border-radius: 8px; padding: .5rem .85rem; margin: .8rem 0; }
html body .adhl-co-row { display: flex; justify-content: space-between; padding: .3rem 0; }
html body .adhl-co-row[hidden] { display: none; }
html body .adhl-co-tot { border-top: 1px solid var(--line); margin-top: .2rem; padding-top: .55rem; font-size: 1.1rem; }
html body .adhl-co-coupon { display: flex; gap: .5rem; }
html body .adhl-co-coupon input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 6px; padding: .5rem .7rem; text-transform: uppercase; }
html body .adhl-modal-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: .6rem; }

/* class tags */
html body .adhl-tag.live { background: #fdecea; border-color: #f3bcb8; color: var(--bad); font-weight: 700; }
html body .adhl-tag.soon { background: #fff4de; border-color: #f0d9a4; color: var(--warn); font-weight: 600; }
html body .adhl-tag.done { background: #e6f5ee; border-color: #b9e0cd; color: var(--ok); font-weight: 600; }
html body .adhl-tag.up, html body .adhl-tag.rec { white-space: nowrap; }

/* classroom */
html body .adhl-room-head { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.2rem; border: 1px solid var(--line); border-radius: 12px; padding: .8rem 1rem; margin: 1rem 0; }
html body .adhl-room-head > div { flex: 1; min-width: 200px; }
html body .adhl-prog { display: block; height: 7px; background: var(--soft); border-radius: 999px; overflow: hidden; margin: .35rem 0; }
html body .adhl-prog i { display: block; height: 100%; background: var(--ok); border-radius: 999px; }
html body .adhl-room { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 1.2rem; align-items: start; }
html body .adhl-stage { background: #0b1118; border-radius: 12px; overflow: hidden; }
html body .adhl-room-info .adhl-h3 { margin-top: 1rem; }
html body .adhl-room-side { border: 1px solid var(--line); border-radius: 12px; padding: .8rem; max-height: 640px; overflow: auto; }
html body .adhl-room-side .adhl-h3 { margin: .2rem .3rem .6rem; }
html body .adhl-clist { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
html body .adhl-clist li > button, html body .adhl-cli { display: flex; align-items: center; gap: .6rem; width: 100%; text-align: left; border: 1px solid transparent; background: none; border-radius: 8px; padding: .55rem .5rem; cursor: pointer; }
html body .adhl-cli { cursor: default; border-color: var(--line); }
html body .adhl-clist li > button:hover { background: var(--soft); }
html body .adhl-clist li.on > button { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 35%, #fff); }
html body .adhl-cn { flex: none; width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--soft); display: grid; place-items: center; font-size: .8rem; color: var(--muted); }
html body .adhl-ct { flex: 1; min-width: 0; display: flex; flex-direction: column; line-height: 1.35; }
html body .adhl-ct b { font-weight: 600; font-size: .95rem; }
html body .adhl-ct small { color: var(--muted); font-size: .8rem; }
html body .adhl-wait { color: #fff; aspect-ratio: 16 / 9; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: .5rem; padding: 1rem; }
html body .adhl-wait small { color: #aeb9c7; }
html body .adhl-wait-t { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
html body .adhl-wait .adhl-btn { color: var(--ink); }
html body .adhl-files { list-style: none; margin: 0; padding: 0; display: grid; gap: .3rem; }
html body .adhl-chat { width: 100%; height: 420px; border: 1px solid var(--line); border-radius: 10px; }
html body .adhl-linked { margin-top: 1.2rem; font-size: .92rem; color: var(--muted); }

/* library */
html body .adhl-me-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: .8rem; }
html body .adhl-me-acts { display: flex; gap: .5rem; flex-wrap: wrap; }
html body .adhl-llist { display: grid; gap: .7rem; }
html body .adhl-lcard { display: flex; align-items: center; gap: .9rem; border: 1px solid var(--line); border-radius: 12px; padding: .7rem; background: var(--paper); text-decoration: none; color: inherit; }
html body a.adhl-lcard:hover { border-color: var(--accent); }
html body .adhl-lcard-img { flex: none; width: 96px; aspect-ratio: 16 / 10; border-radius: 8px; background: linear-gradient(135deg, var(--accent-soft), var(--soft)) center / cover no-repeat; }
html body .adhl-lcard-b { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .15rem; }
html body .adhl-lcard-b small { color: var(--muted); font-size: .84rem; }
html body .adhl-devs { list-style: none; margin: 0; padding: 0; display: grid; gap: .4rem; }
html body .adhl-devs li { display: flex; justify-content: space-between; align-items: center; gap: .6rem; border: 1px solid var(--line); border-radius: 8px; padding: .5rem .8rem; }
html body .adhl-devs small { display: block; color: var(--muted); }
html body .adhl-me-links { margin-top: 1.4rem; }
html body .adhl-chips { margin-bottom: 1rem; }

@media (max-width: 900px) {
	html body .adhl-room { grid-template-columns: 1fr; }
	html body .adhl-room-side { max-height: none; }
	html body .adhl-lcard { flex-wrap: wrap; }
	html body .adhl-lcard-img { width: 100%; aspect-ratio: 16 / 7; }
}


/* ===== v1.1 base hardening: keep theme button/input styles out of our UI ===== */
html body :where(.adhl-app, .adhl-exam) { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html body :where(.adhl-app, .adhl-exam) button { text-transform: none; letter-spacing: normal; box-shadow: none; text-shadow: none; min-width: 0; min-height: 0; margin: 0; -webkit-appearance: none; appearance: none; font-family: inherit; line-height: 1.3; }
html body :where(.adhl-app, .adhl-exam) input, html body :where(.adhl-app, .adhl-exam) select { font-family: inherit; }
html body .adhl-app { padding-left: 0; padding-right: 0; }
html body .adhl-btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; text-align: center; min-height: 42px; }
html body .adhl-btn-lg { min-height: 50px; }
html body .adhl-btn[href] { text-decoration: none; }
html body .adhl-hint a, html body .adhl-me-foot a { color: var(--accent); }
html body .adhl-sum { display: grid; grid-template-columns: repeat(3, 1fr); gap: .6rem; margin: .8rem 0; }
html body .adhl-sum > div { border: 1px solid var(--line); border-radius: 10px; padding: .6rem; text-align: center; background: var(--soft); }
html body .adhl-sum > div.warn { border-color: #efb3ae; background: #fdeceb; }
html body .adhl-sum b { display: block; font-size: 1.6rem; line-height: 1.2; font-variant-numeric: tabular-nums; }
html body .adhl-sum span { font-size: .8rem; color: var(--muted); }
html body .adhl-btn[href]:not(.adhl-btn-primary) { color: var(--ink); }


/* ===== v1.1 exam ===== */
html body .adhl-exam { height: 100vh; height: 100dvh; }
html body .adhl-bar { flex-wrap: nowrap; gap: .6rem; padding: .5rem .9rem; padding-top: calc(.5rem + env(safe-area-inset-top, 0px)); }
html body .adhl-leave { flex: none; display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); background: var(--paper); border-radius: 10px; cursor: pointer; color: var(--ink); }
html body .adhl-leave svg { display: block; }
html body .adhl-timer { display: flex; align-items: center; gap: .45rem; height: 40px; padding: 0 .8rem; border: 1px solid var(--line); border-radius: 10px; font-variant-numeric: tabular-nums; flex: none; }
html body .adhl-timer svg { flex: none; color: var(--muted); }
html body .adhl-timer b { font-size: 1.2rem; min-width: 3.6ch; text-align: right; line-height: 1; }
html body .adhl-timer.crit svg, html body .adhl-timer.warn svg { color: currentColor; }
html body .adhl-submit { flex: none; height: 40px; min-height: 40px; padding: 0 1.1rem; font-weight: 600; border-radius: 10px; }
html body .adhl-pal-toggle { display: none; align-items: center; gap: .4rem; height: 40px; padding: 0 .7rem; border: 1px solid var(--line); background: var(--paper); border-radius: 10px; font-weight: 600; font-size: .92rem; color: var(--ink); cursor: pointer; flex: none; font-variant-numeric: tabular-nums; }
html body .adhl-pal-toggle svg { color: var(--accent); }
html body .adhl-bm { display: inline-flex; align-items: center; gap: .35rem; margin-left: auto; padding: .3rem .5rem; border: 0; background: none; color: var(--muted); cursor: pointer; border-radius: 8px; }
html body .adhl-bm.on { color: var(--warn); font-weight: 600; }
html body .adhl-bm svg { flex: none; }
html body .adhl-qno { font-size: 1.15rem; }
html body .adhl-q { font-size: 1.22rem; line-height: 1.75; }
html body .adhl-opt-t { font-size: 1.1rem; line-height: 1.6; }
html body .adhl-opt { min-height: 54px; align-items: center; }
html body .adhl-opt-k { flex: none; }
html body .adhl-btn-mark .s { display: none; }
html body .adhl-pal-head { display: flex; flex-direction: row; justify-content: space-between; align-items: flex-start; gap: .6rem; font-size: .95rem; }
html body .adhl-pal-head > div { display: flex; flex-direction: column; min-width: 0; }
html body .adhl-pal-head span { color: var(--muted); font-size: .85rem; }
html body .adhl-pal-close { display: none; flex: none; width: 36px; height: 36px; padding: 0; border: 0; background: var(--paper); border-radius: 50%; place-items: center; cursor: pointer; color: var(--ink); }
html body .adhl-pal-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
html body .adhl-pb { padding: 0; min-width: 0; min-height: 0; font-size: .95rem; background-clip: padding-box; }
html body .adhl-pal-backdrop { display: none; }
html body .adhl-modal-box { overscroll-behavior: contain; }

@media (max-width: 859px) {
	html body .adhl-bar { gap: .5rem; padding-left: .7rem; padding-right: .7rem; }
	html body .adhl-bar-title { display: none; }
	html body .adhl-timer { margin-right: auto; }
	html body .adhl-pal-toggle { display: inline-flex; }
	html body .adhl-submit { padding: 0 .95rem; }
	html body .adhl-tabs { flex: none; }
	html body .adhl-tabs button { padding: .55rem 1rem; min-height: 44px; }
	html body .adhl-qpane { padding: .8rem .85rem calc(6.2rem + env(safe-area-inset-bottom, 0px)); overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
	html body .adhl-q { font-size: 1.18rem; }
	html body .adhl-qmeta { gap: .35rem .7rem; }

	/* action dock: always reachable with the thumb */
	html body .adhl-exam .adhl-actions { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; display: grid; grid-template-columns: .85fr .62fr 1.12fr 1.12fr; gap: .45rem; margin: 0; padding: .55rem .6rem calc(.55rem + env(safe-area-inset-bottom, 0px)); background: var(--paper); border-top: 1px solid var(--line); box-shadow: 0 -6px 18px rgba(22, 32, 46, .08); }
	html body .adhl-exam .adhl-actions .adhl-btn { min-height: 48px; padding: 0 .25rem; font-size: .9rem; width: 100%; flex: none; white-space: nowrap; }
	html body .adhl-exam .adhl-actions .adhl-btn-primary { margin-left: 0; }
	html body .adhl-btn-mark .l { display: none; }
	html body .adhl-btn-mark .s { display: inline; }

	/* palette becomes a bottom sheet */
	html body .adhl-palette { position: fixed; left: 0; right: 0; bottom: 0; width: auto; max-height: 82vh; max-height: 82dvh; border-left: 0; border-top: 1px solid var(--line); border-radius: 18px 18px 0 0; transform: translateY(105%); transition: transform .22s ease; z-index: 30; box-shadow: 0 -12px 34px rgba(22, 32, 46, .22); padding: 1rem 1rem calc(1rem + env(safe-area-inset-bottom, 0px)); }
	html body .adhl-exam.pal-open .adhl-palette { transform: none; }
	html body .adhl-pal-close { display: grid; }
	html body .adhl-pal-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: .5rem; }
	html body .adhl-pb { min-height: 44px; font-size: 1rem; }
	html body .adhl-pal-submit { margin-top: .4rem; min-height: 50px; }
	html body .adhl-pal-backdrop { display: block; position: fixed; inset: 0; z-index: 25; background: rgba(22, 32, 46, .5); opacity: 0; pointer-events: none; transition: opacity .2s; }
	html body .adhl-exam.pal-open .adhl-pal-backdrop { opacity: 1; pointer-events: auto; }
	html body .adhl-modal { position: fixed; align-items: end; padding: 0; z-index: 60; }
	html body .adhl-modal-box { border-radius: 18px 18px 0 0; max-height: 88vh; max-height: 88dvh; padding: 1.2rem 1.1rem calc(1.2rem + env(safe-area-inset-bottom, 0px)); }
	html body .adhl-modal-act .adhl-btn { flex: 1; min-height: 48px; }
	html body .adhl-toast { bottom: 6.5rem; }
}
@media (max-width: 380px) {
	html body .adhl-timer b { font-size: 1.05rem; }
	html body .adhl-exam .adhl-actions .adhl-btn { font-size: .82rem; }
}

@media (max-width: 859px) { html body .adhl-bm span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); } html body .adhl-bm { padding: .4rem; } }


/* ===== v1.1 protected player ===== */
html body .adhl-vp { position: relative; aspect-ratio: 16 / 9; background: #000; overflow: hidden; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; touch-action: manipulation; outline: none; color: #fff; font-size: 14px; line-height: 1.2; }
html body .adhl-vp-frame { position: absolute; left: 0; right: 0; top: -64px; bottom: -64px; }
html body .adhl-vp-frame iframe { width: 100%; height: 100%; border: 0; pointer-events: none; display: block; }
html body .adhl-vp-shield { position: absolute; inset: 0; z-index: 3; background: transparent; cursor: pointer; }
html body .adhl-vp-mark { position: absolute; z-index: 4; pointer-events: none; color: rgba(255, 255, 255, .42); font-size: clamp(.68rem, 1.7vw, .95rem); font-weight: 600; text-shadow: 0 0 3px rgba(0, 0, 0, .85); white-space: nowrap; max-width: 90%; overflow: hidden; text-overflow: ellipsis; transition: top 1.6s ease, left 1.6s ease; }
html body .adhl-vp-mark2 { position: absolute; z-index: 4; pointer-events: none; right: .7rem; top: .6rem; color: rgba(255, 255, 255, .26); font-size: .64rem; text-shadow: 0 0 2px rgba(0, 0, 0, .85); white-space: nowrap; max-width: 55%; overflow: hidden; text-overflow: ellipsis; }
html body .adhl-vp-spin { display: none; position: absolute; z-index: 5; left: 50%; top: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border: 4px solid rgba(255, 255, 255, .28); border-top-color: #fff; border-radius: 50%; animation: adhl-spin .8s linear infinite; pointer-events: none; }
html body .adhl-vp.buffering .adhl-vp-spin { display: block; }
@keyframes adhl-spin { to { transform: rotate(360deg); } }

/* controls layer */
html body .adhl-vp-ui { position: absolute; inset: 0; z-index: 6; pointer-events: none; transition: opacity .22s; }
html body .adhl-vp.idle .adhl-vp-ui { opacity: 0; }
html body .adhl-vp.idle .adhl-vp-ui * { pointer-events: none !important; }
html body .adhl-vp-top { position: absolute; left: 0; right: 0; top: 0; display: flex; align-items: center; gap: .6rem; padding: .7rem .9rem 1.6rem; background: linear-gradient(rgba(0, 0, 0, .7), transparent); font-weight: 600; font-size: 1rem; text-shadow: 0 1px 3px rgba(0, 0, 0, .6); }
html body .adhl-vp-ttl { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 22%; }
html body .adhl-vp-livebadge { background: #e5332a; border-radius: 4px; padding: 2px 7px; font-size: .75rem; font-weight: 700; letter-spacing: .03em; }
html body .adhl-vp-center { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; gap: clamp(18px, 8vw, 54px); pointer-events: none; }
html body .adhl-vp-cb { pointer-events: auto; width: 52px; height: 52px; padding: 0; border: 0; border-radius: 50%; display: grid; place-items: center; background: rgba(12, 16, 22, .55); color: #fff; cursor: pointer; }
html body .adhl-vp-cb svg { width: 30px; height: 30px; fill: currentColor; }
html body .adhl-vp-cb.big { width: 68px; height: 68px; background: rgba(12, 16, 22, .65); }
html body .adhl-vp-cb.big svg { width: 38px; height: 38px; }
html body .adhl-vp-bottom { position: absolute; left: 0; right: 0; bottom: 0; padding: 2.2rem .7rem calc(.35rem + env(safe-area-inset-bottom, 0px)); background: linear-gradient(transparent, rgba(0, 0, 0, .82)); pointer-events: auto; }
html body .adhl-vp-prog { position: relative; height: 26px; display: flex; align-items: center; cursor: pointer; touch-action: none; }
html body .adhl-vp-track { position: relative; width: 100%; height: 4px; background: rgba(255, 255, 255, .3); border-radius: 3px; transition: height .12s; }
html body .adhl-vp-prog:hover .adhl-vp-track, html body .adhl-vp-prog.drag .adhl-vp-track { height: 7px; }
html body .adhl-vp-buf, html body .adhl-vp-played { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; width: 0; }
html body .adhl-vp-buf { background: rgba(255, 255, 255, .45); }
html body .adhl-vp-played { background: #ff3b30; }
html body .adhl-vp-thumb { position: absolute; top: 50%; left: 0; width: 15px; height: 15px; margin: -7.5px 0 0 -7.5px; background: #ff3b30; border-radius: 50%; transform: scale(0); transition: transform .12s; box-shadow: 0 0 0 4px rgba(255, 59, 48, .25); }
html body .adhl-vp-prog:hover .adhl-vp-thumb, html body .adhl-vp-prog.drag .adhl-vp-thumb, html body .adhl-vp.touch .adhl-vp-thumb { transform: scale(1); }
html body .adhl-vp-tip { position: absolute; bottom: 24px; left: 0; transform: translateX(-50%); background: rgba(0, 0, 0, .85); padding: 3px 7px; border-radius: 4px; font-size: .78rem; font-variant-numeric: tabular-nums; display: none; pointer-events: none; }
html body .adhl-vp-prog:hover .adhl-vp-tip, html body .adhl-vp-prog.drag .adhl-vp-tip { display: block; }
html body .adhl-vp.touch .adhl-vp-prog:hover .adhl-vp-tip { display: none; }
html body .adhl-vp.touch .adhl-vp-prog.drag .adhl-vp-tip { display: block; }
html body .adhl-vp.islive .adhl-vp-prog { opacity: .45; pointer-events: none; }
html body .adhl-vp-row { display: flex; align-items: center; gap: 2px; min-height: 44px; }
html body .adhl-vp-b { flex: none; width: 42px; height: 42px; padding: 0; border: 0; border-radius: 50%; background: none; color: #fff; display: grid; place-items: center; cursor: pointer; }
html body .adhl-vp-b:hover { background: rgba(255, 255, 255, .14); }
html body .adhl-vp-b svg { width: 25px; height: 25px; fill: currentColor; }
html body .adhl-vp-b.txt { width: auto; min-width: 44px; padding: 0 .6rem; border-radius: 8px; font-weight: 700; font-size: .85rem; }
html body .adhl-vp-time { margin: 0 .5rem; font-variant-numeric: tabular-nums; white-space: nowrap; font-size: .85rem; }
html body .adhl-vp-time i { font-style: normal; opacity: .7; }
html body .adhl-vp-time [hidden], html body .adhl-vp-live[hidden], html body .adhl-vp-livebadge[hidden] { display: none; }
html body .adhl-vp-live { color: #ff6b61; font-weight: 700; font-size: .8rem; margin-left: .5rem; }
html body .adhl-vp-sp { flex: 1; }
html body .adhl-vp-volw { display: inline-flex; align-items: center; }
html body .adhl-vp-vol { width: 78px; height: 28px; margin: 0 .3rem 0 0; accent-color: #fff; background: transparent; padding: 0; border: 0; }
html body .adhl-vp-menu { position: absolute; right: .7rem; bottom: 4.4rem; z-index: 9; display: grid; grid-template-columns: repeat(4, minmax(58px, auto)); gap: 4px; max-width: calc(100% - 1.4rem); padding: 6px; background: rgba(16, 20, 27, .97); border-radius: 12px; box-shadow: 0 8px 28px rgba(0, 0, 0, .5); }
html body .adhl-vp-menu[hidden] { display: none; }
html body .adhl-vp-menu button { height: 42px; padding: 0 .6rem; border: 0; border-radius: 8px; background: none; color: #fff; text-align: center; font-size: .92rem; cursor: pointer; white-space: nowrap; }
html body .adhl-vp-menu button:hover { background: rgba(255, 255, 255, .12); }
html body .adhl-vp-menu button.on { background: var(--accent); font-weight: 700; }
html body .adhl-vp-flash { position: absolute; z-index: 7; top: 50%; transform: translateY(-50%); padding: .7rem 1.1rem; border-radius: 999px; background: rgba(12, 16, 22, .62); font-weight: 700; pointer-events: none; opacity: 0; }
html body .adhl-vp-flash.l { left: 9%; }
html body .adhl-vp-flash.r { right: 9%; }
html body .adhl-vp-flash.on { animation: adhl-flash .7s ease; }
@keyframes adhl-flash { 0% { opacity: 0; } 15% { opacity: 1; } 70% { opacity: 1; } 100% { opacity: 0; } }
html body .adhl-vp-toast { position: absolute; z-index: 8; left: 50%; bottom: 5.4rem; transform: translateX(-50%) translateY(8px); background: rgba(12, 16, 22, .85); padding: .4rem .9rem; border-radius: 999px; font-size: .85rem; opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; white-space: nowrap; }
html body .adhl-vp-toast.on { opacity: 1; transform: translateX(-50%); }
html body .adhl-vp-cover { position: absolute; inset: 0; z-index: 7; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; background: rgba(8, 12, 18, .94); text-align: center; padding: 1rem; }
html body .adhl-vp-cover.on { display: flex; }
html body .adhl-vp-cmsg { max-width: 30rem; font-size: 1rem; line-height: 1.5; }
html body .adhl-vp-cacts { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; }
html body .adhl-vp-bigplay { width: 66px; height: 66px; padding: 0; border: 0; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; cursor: pointer; }
html body .adhl-vp-bigplay svg { width: 34px; height: 34px; fill: currentColor; }
html body .adhl-vp-bigplay[hidden], html body .adhl-vp-nextbtn[hidden] { display: none; }
html body .adhl-vp-nextbtn { height: 48px; padding: 0 1.3rem; border: 1px solid rgba(255, 255, 255, .5); border-radius: 999px; background: rgba(255, 255, 255, .1); color: #fff; font-weight: 600; cursor: pointer; }
/* playing: desktop shows no centre buttons, touch shows them with the controls */
html body .adhl-vp.playing:not(.touch) .adhl-vp-center { display: none; }
html body .adhl-vp:not(.touch) .adhl-vp-center .adhl-vp-cb:not(.big) { display: none; }
html body .adhl-vp.touch .adhl-vp-sk, html body .adhl-vp.touch .adhl-vp-volw, html body .adhl-vp.touch [data-a=pp].adhl-vp-b { display: none; }
html body .adhl-vp:fullscreen, html body .adhl-vp:-webkit-full-screen, html body .adhl-vp-fake { position: fixed; inset: 0; z-index: 99998; width: 100vw; height: 100vh; height: 100dvh; aspect-ratio: auto; }
html body .adhl-vp-fake { border-radius: 0; }
@media (max-width: 640px) {
	html body .adhl-vp-cb { width: 48px; height: 48px; }
	html body .adhl-vp-cb.big { width: 62px; height: 62px; }
	html body .adhl-vp-top { padding: .55rem .75rem 1.3rem; font-size: .92rem; }
	html body .adhl-vp-row { min-height: 42px; }
	html body .adhl-vp-time { margin: 0 .3rem; font-size: .82rem; }
	html body .adhl-vp-vol { display: none; }
	html body .adhl-vp-mark2 { font-size: .58rem; }
}
@media (prefers-reduced-motion: reduce) { html body .adhl-vp-ui, html body .adhl-vp-flash.on, html body .adhl-vp-mark { transition: none; animation: none; } }


/* ===== v1.1 store ===== */
html body .adhl-pcard-click { cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; -webkit-tap-highlight-color: rgba(31, 79, 216, .12); }
html body .adhl-pcard-click:hover, html body .adhl-pcard-click:focus-visible { border-color: var(--accent); box-shadow: 0 8px 24px rgba(22, 32, 46, .1); transform: translateY(-2px); }
html body .adhl-pcard-click:active { transform: scale(.995); }
html body .adhl-pcard-body { gap: .45rem; }
html body .adhl-pcard-body .adhl-badge { align-self: flex-start; }
html body .adhl-card-acts { gap: .8rem; }
html body .adhl-card-go { color: var(--accent); font-weight: 600; font-size: .9rem; white-space: nowrap; }
html body .adhl-btn-sm { min-height: 38px; padding: .4rem .9rem; font-size: .92rem; }
html body .adhl-store-foot { margin-top: 1.4rem; font-size: 1rem; }
html body .adhl-incl { margin: 0 0 .8rem; padding-left: 1.2rem; }
html body .adhl-incl li { margin: .15rem 0; }
html body .adhl-modal-actions { display: flex; justify-content: flex-end; align-items: center; gap: .6rem; margin-top: .8rem; }
html body .adhl-modal-actions .adhl-btn { min-height: 46px; }
html body .adhl-already { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .8rem; margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); }
html body .adhl-store-foot a { font-weight: 600; }


/* ===== v1.1 classroom (replaces the first layout) ===== */
html body .adhl-room-head { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.2rem; border: 1px solid var(--line); border-radius: 12px; padding: .8rem 1rem; margin: 0 0 1rem; background: var(--paper); }
html body .adhl-room-prog { flex: 1; min-width: 180px; }
html body .adhl-room { display: grid; grid-template-columns: minmax(0, 1fr) 340px; grid-template-areas: "stage side" "info side"; gap: 1rem 1.3rem; align-items: start; }
html body .adhl-stage { grid-area: stage; background: #0b1118; border-radius: 12px; overflow: hidden; min-width: 0; }
html body .adhl-room-info { grid-area: info; min-width: 0; }
html body .adhl-room-side { grid-area: side; border: 1px solid var(--line); border-radius: 12px; padding: .8rem; max-height: 78vh; overflow: auto; background: var(--paper); }
html body .adhl-room-ttl { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem .7rem; }
html body .adhl-room-ttl .adhl-h3 { margin: .2rem 0; font-size: 1.15rem; }
html body .adhl-cnav { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin: .8rem 0; }
html body .adhl-cnav .adhl-btn { min-height: 46px; }
html body .adhl-clist li > button, html body .adhl-cli { min-height: 56px; }
html body .adhl-clist li > button { -webkit-tap-highlight-color: rgba(31, 79, 216, .12); }
html body .adhl-about { margin: 1.5rem 0 0; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
html body .adhl-about > summary { cursor: pointer; padding: .9rem 1.1rem; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 48px; }
html body .adhl-about > summary::-webkit-details-marker { display: none; }
html body .adhl-about > summary::after { content: '+'; font-size: 1.4rem; line-height: 1; color: var(--muted); }
html body .adhl-about[open] > summary::after { content: '–'; }
html body .adhl-about-b { padding: 0 1.1rem 1rem; overflow-wrap: anywhere; }
html body .adhl-linked { margin-top: 1.2rem; display: flex; flex-direction: column; gap: .35rem; font-size: .95rem; }
html body .adhl-linked a { color: var(--accent); padding: .35rem 0; }
html body .adhl-ready { aspect-ratio: 16 / 9; display: grid; place-items: center; text-align: center; color: #fff; background: radial-gradient(120% 120% at 50% 0%, #223a78, #0b1118 70%); padding: 1rem; }
html body .adhl-ready.live { background: radial-gradient(120% 120% at 50% 0%, #7b1f1a, #0b1118 70%); }
html body .adhl-ready-in { display: flex; flex-direction: column; align-items: center; gap: .7rem; max-width: 34rem; }
html body .adhl-ready-t { font-size: clamp(1.05rem, 3.6vw, 1.5rem); line-height: 1.35; }
html body .adhl-ready-btn { display: inline-flex; align-items: center; gap: .6rem; min-height: 52px; padding: 0 1.5rem; border: 0; border-radius: 999px; background: #fff; color: #0b1118; font-size: 1.05rem; font-weight: 700; cursor: pointer; }
html body .adhl-ready-btn svg { width: 22px; height: 22px; fill: currentColor; }
html body .adhl-ready-sub { border: 0; background: none; color: #c9d4ff; text-decoration: underline; cursor: pointer; padding: .4rem; }
html body .adhl-ready .adhl-tag { background: rgba(255, 255, 255, .15); border-color: rgba(255, 255, 255, .3); color: #fff; }
html body .adhl-wait { min-height: 220px; }
@media (max-width: 900px) {
	html body .adhl-room { grid-template-columns: 1fr; grid-template-areas: "stage" "info" "side"; gap: .8rem; }
	html body .adhl-stage { position: sticky; top: 0; z-index: 20; border-radius: 0; margin: 0 -1px; box-shadow: 0 6px 16px rgba(0, 0, 0, .25); }
	html body .adhl-room-side { max-height: none; }
	html body .adhl-ready { aspect-ratio: 16 / 10; }
}
html body .adhl-about { --line: #dfe5ec; --paper: #fff; --muted: #5d6b7c; --ink: #16202e; color: var(--ink); font-family: "Hind Siliguri", system-ui, -apple-system, "Segoe UI", "Noto Sans Bengali", sans-serif; }
html body .adhl-about > summary { font-size: 1rem; }
html body .adhl-about-b { line-height: 1.7; }


/* ===== v1.1 mobile pass ===== */
@media (max-width: 640px) {
	html body .adhl-app { font-size: 16px; }
	html body .adhl-app input[type=text], html body .adhl-app input[type=email], html body .adhl-app input[type=password], html body .adhl-app input[type=tel], html body .adhl-app input[type=number], html body .adhl-app input[type=search], html body .adhl-app select, html body .adhl-app textarea { font-size: 16px; min-height: 48px; }
	html body .adhl-btn { min-height: 46px; }
	html body .adhl-btn-sm { min-height: 40px; }
	html body .adhl-grid { grid-template-columns: 1fr; }
	html body .adhl-chips { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; margin: 0 -2px 1rem; padding: 0 2px 4px; }
	html body .adhl-chips::-webkit-scrollbar { display: none; }
	html body .adhl-chips button { flex: none; min-height: 40px; padding: .3rem 1rem; }
	html body .adhl-startbox { position: static; }
	html body .adhl-panel { padding: 1rem; }
	html body .adhl-price-lg { font-size: 1.6rem; }
	html body .adhl-actions .adhl-btn-lg { flex: 1 1 100%; }
	html body .adhl-pcard-img { aspect-ratio: 16 / 8; }
	html body .adhl-card-foot { flex-wrap: wrap; }
	html body .adhl-me-head { flex-direction: column; }
	html body .adhl-me-acts { width: 100%; }
	html body .adhl-me-acts .adhl-btn { flex: 1; }
	html body .adhl-lcard { align-items: stretch; flex-direction: column; }
	html body .adhl-lcard-img { width: 100%; aspect-ratio: 16 / 7; }
	html body .adhl-lcard > .adhl-btn, html body .adhl-lcard .adhl-card-acts { width: 100%; }
	html body .adhl-lcard .adhl-card-acts .adhl-btn { flex: 1; }
	html body .adhl-devs li { flex-wrap: wrap; }
	html body .adhl-table th, html body .adhl-table td { padding: .5rem .6rem; }
	html body .adhl-co-coupon input { min-height: 48px; }
	html body .adhl-app > .adhl-modal { position: fixed; align-items: flex-end; padding: 0; z-index: 99999; }
	html body .adhl-app > .adhl-modal .adhl-modal-box { width: 100%; max-width: none; border-radius: 18px 18px 0 0; max-height: 90vh; max-height: 90dvh; overflow: auto; padding: 1.2rem 1.1rem calc(1.2rem + env(safe-area-inset-bottom, 0px)); }
	html body .adhl-modal-actions .adhl-btn, html body .adhl-modal-act .adhl-btn { flex: 1; }
	html body .adhl-linked a { padding: .55rem 0; }
	html body .adhl-res .adhl-table-wrap { margin-inline: -2px; }
}
@media (hover: none) { html body .adhl-pcard-click:hover { transform: none; box-shadow: none; } }
@media (max-width: 640px) {
	html body .adhl-res-actions { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
	html body .adhl-res-actions .adhl-btn { width: 100%; }
	html body .adhl-res-actions .adhl-btn-primary { grid-column: 1 / -1; }
	html body .adhl-rtabs { scrollbar-width: none; margin-left: -2px; margin-right: -2px; }
	html body .adhl-rtabs::-webkit-scrollbar { display: none; }
	html body .adhl-rtabs button { padding: .7rem .85rem; min-height: 46px; }
}

/* 1.2.0: saved-question star in the result review */
.adhl-app .adhl-bmk{margin-left:8px;width:34px;height:34px;padding:0;display:inline-flex;align-items:center;justify-content:center;border:1px solid #d9e0ea;border-radius:8px;background:#fff;color:#64748b;cursor:pointer;box-shadow:none}
.adhl-app .adhl-bmk.on{color:#d97706;border-color:#f3c98b;background:#fff8ec}