/* Akshardham Academy — design tokens (Trust & Authority, brand navy/blue/gold) */
:root {
  --navy: #14243A; --navy-2: #1C3150; --blue: #2457C5; --blue-600: #1D47A3; --blue-50: #EEF3FD;
  --gold: #C5A15B; --gold-50: #FAF5EA;
  --bg: #F5F7FA; --surface: #FFFFFF; --text: #1B2433; --muted: #5B6576;
  --border: #E3E8EF; --border-strong: #CBD3DF;
  --ok: #047857; --ok-50: #ECFDF5; --err: #B42318; --err-50: #FEF3F2; --warn: #B45309; --warn-50: #FFFBEB;
  --r: 12px; --r-lg: 16px;
  --sh-1: 0 1px 2px rgba(16,24,40,.05), 0 1px 3px rgba(16,24,40,.07);
  --sh-2: 0 6px 16px rgba(16,24,40,.08);
  --sh-3: 0 16px 40px rgba(20,36,58,.18);
  --ease: cubic-bezier(.2,.8,.2,1); --dur: 200ms;
  --font-head: 'Lexend', 'Noto Sans Devanagari', system-ui, sans-serif;
  --font-body: 'Source Sans 3', 'Noto Sans Devanagari', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font-body); min-height: 100dvh; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.25; margin: 0 0 8px; font-weight: 600; letter-spacing: -.01em; color: var(--navy); }
h1 { font-size: clamp(22px, 4vw, 28px); } h2 { font-size: 20px; } h3 { font-size: 17px; }
p { margin: 0 0 12px; }
a { color: var(--blue); text-underline-offset: 3px; }
.muted { color: var(--muted); } .small { font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid rgba(36,87,197,.45); outline-offset: 2px; }
svg.i { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
svg.i.sm { width: 16px; height: 16px; } svg.i.lg { width: 28px; height: 28px; }

/* ---------- header ---------- */
.top { position: sticky; top: 0; z-index: 20; background: var(--navy); color: #fff; }
.top-in { max-width: 1240px; margin: 0 auto; padding: 8px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font: 600 17px var(--font-head); }
.brand b { color: var(--gold); font-weight: 600; }
.logo { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--gold), #A9843F); display: grid; place-items: center; color: var(--navy); font-weight: 700; }
.user { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.user-name { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 560px) { .user-name { display: none; } }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--blue-50); color: var(--blue); display: grid; place-items: center; font: 600 14px var(--font-head); flex: none; }
.avatar.lg { width: 56px; height: 56px; font-size: 20px; }
.top .avatar { background: rgba(255,255,255,.14); color: #fff; }
.icon-btn { width: 44px; height: 44px; border-radius: 10px; border: 0; background: transparent; color: inherit; display: grid; place-items: center; cursor: pointer; transition: background var(--dur) var(--ease); }
.icon-btn:hover { background: rgba(255,255,255,.1); }

main { max-width: 1040px; margin: 0 auto; padding: 24px 16px 72px; }

/* ---------- surfaces ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; box-shadow: var(--sh-1); margin-bottom: 16px; }
@media (min-width: 768px) { .card { padding: 24px; } }
.card.narrow { max-width: 560px; margin: 8px auto 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.card-head h2 { margin: 0; display: flex; align-items: center; gap: 10px; }
.hero { position: relative; overflow: hidden; background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #23406A 100%); color: #fff; border-radius: var(--r-lg); padding: 24px; margin-bottom: 16px; box-shadow: var(--sh-2); }
@media (min-width: 768px) { .hero { padding: 32px; } }
.hero::after { content: ""; position: absolute; right: -70px; top: -70px; width: 240px; height: 240px; border-radius: 50%; border: 30px solid rgba(197,161,91,.13); pointer-events: none; }
.hero > * { position: relative; z-index: 1; }
.hero h1, .hero h2 { color: #fff; } .hero .muted, .hero p { color: #C9D3E3; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.card .eyebrow { color: #8A6A2B; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px; border-radius: 10px; border: 1px solid var(--border-strong); background: #fff; color: var(--text); font: 600 15px/1.2 var(--font-body); cursor: pointer; text-decoration: none; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur), box-shadow var(--dur) var(--ease), transform 120ms var(--ease); touch-action: manipulation; }
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 1px 2px rgba(36,87,197,.3); }
.btn-primary:hover { background: var(--blue-600); border-color: var(--blue-600); color: #fff; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #D6B577; border-color: #D6B577; color: var(--navy); }
.btn-danger { color: var(--err); border-color: #F4C7C3; }
.btn-danger:hover { background: var(--err-50); border-color: var(--err); color: var(--err); }
.btn-sm { min-height: 36px; padding: 6px 12px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-google { background: #fff; color: #1F1F1F; border-color: #DADCE0; width: 100%; min-height: 52px; font-size: 16px; }
.btn-google:hover { background: #F8FAFF; color: #1F1F1F; border-color: #BFC5CE; box-shadow: var(--sh-1); }
.btn-google svg { width: 20px; height: 20px; }
.link { border: 0; background: none; padding: 0; color: var(--blue); cursor: pointer; font: inherit; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- forms ---------- */
.field { margin-bottom: 18px; }
label, .label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.req { color: var(--err); }
.help { font-size: 14px; color: var(--muted); margin-top: 6px; }
input[type=text], input[type=tel], input[type=email], input[type=number], input[type=search], select, textarea { width: 100%; min-height: 46px; font: 16px var(--font-body); padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 10px; background: #fff; color: var(--text); transition: border-color var(--dur), box-shadow var(--dur); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(36,87,197,.14); }
textarea { min-height: 110px; resize: vertical; }
.check { display: flex; align-items: flex-start; gap: 10px; font-weight: 500; cursor: pointer; margin: 0; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--blue); flex: none; }
.grid-2 { display: grid; gap: 0 16px; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.form-error { color: var(--err); font-weight: 600; margin: 0 0 12px; }
.form-error:empty { display: none; }

/* option tiles (registration type + quiz answers) */
.opt { display: flex; align-items: center; gap: 12px; min-height: 52px; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: 12px; margin: 0 0 8px; cursor: pointer; font-weight: 500; background: #fff; transition: border-color var(--dur), background var(--dur); }
.opt:hover { border-color: #9DB5EA; background: #FAFCFF; }
.opt input { width: 20px; height: 20px; accent-color: var(--blue); flex: none; margin: 0; }
.opt:has(input:checked) { border-color: var(--blue); background: var(--blue-50); }
.opt:has(input:focus-visible) { outline: 3px solid rgba(36,87,197,.4); outline-offset: 2px; }
.opt .opt-ico { width: 40px; height: 40px; border-radius: 10px; background: var(--gold-50); color: #8A6A2B; display: grid; place-items: center; flex: none; }
.opt strong { display: block; } .opt span.small { color: var(--muted); font-weight: 400; }
.opt-grid { display: grid; gap: 8px; }
@media (min-width: 640px) { .opt-grid { grid-template-columns: 1fr 1fr; } .opt-grid .opt { margin: 0; } }

/* ---------- badges & progress ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 4px 10px; border-radius: 99px; background: #EEF1F5; color: var(--muted); white-space: nowrap; }
.badge svg.i { width: 14px; height: 14px; }
.b-ok { background: var(--ok-50); color: var(--ok); } .b-blue { background: var(--blue-50); color: var(--blue); }
.b-err { background: var(--err-50); color: var(--err); } .b-warn { background: var(--warn-50); color: var(--warn); }
.b-gold { background: var(--gold-50); color: #7A5E22; }
.hero .badge { background: rgba(255,255,255,.12); color: #fff; }
.bar { height: 8px; background: #E7ECF3; border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--blue), #4C7BE0); border-radius: inherit; transition: width 500ms var(--ease); }
.hero .bar { background: rgba(255,255,255,.16); } .hero .bar > i { background: linear-gradient(90deg, var(--gold), #E2C68B); }
.ring { width: 140px; height: 140px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto; }
.ring > div { width: 112px; height: 112px; border-radius: 50%; background: #fff; display: grid; place-items: center; font: 700 30px var(--font-head); color: var(--navy); }

/* ---------- selection steps ---------- */
.steps { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 14px; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(4, 1fr); gap: 20px; } }
.steps li { display: flex; gap: 12px; align-items: flex-start; }
@media (min-width: 768px) { .steps li { flex-direction: column; } }
.steps .n { width: 34px; height: 34px; border-radius: 50%; background: rgba(197,161,91,.2); color: var(--gold); display: grid; place-items: center; font: 600 15px var(--font-head); flex: none; }
.steps strong { display: block; color: #fff; font-size: 15px; } .steps span { font-size: 14px; color: #C9D3E3; }

/* ---------- chapter timeline ---------- */
.chapters { list-style: none; margin: 0; padding: 0; }
.chapter { position: relative; display: flex; gap: 14px; padding-bottom: 14px; }
.chapter:not(:last-child)::before { content: ""; position: absolute; left: 21px; top: 46px; bottom: 2px; width: 2px; background: var(--border); }
.chapter.passed:not(:last-child)::before { background: var(--ok); }
.node { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; flex: none; background: #EEF1F5; color: #8792A3; border: 2px solid var(--border); position: relative; z-index: 1; }
.passed .node { background: var(--ok); border-color: var(--ok); color: #fff; }
.available .node { background: var(--blue); border-color: var(--blue); color: #fff; box-shadow: 0 0 0 6px rgba(36,87,197,.14); }
.chapter-body { flex: 1; min-width: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 14px 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.available .chapter-body { border-color: #BFD0F3; box-shadow: var(--sh-2); }
.locked .chapter-body { background: #FAFBFC; }
.locked h3 { color: var(--muted); }
.chapter h3 { margin: 0; }
.chapter-meta { font-size: 14px; color: var(--muted); display: flex; gap: 6px 14px; flex-wrap: wrap; margin-top: 4px; }
.chapter-meta span { display: inline-flex; align-items: center; gap: 4px; }

/* ---------- lesson ---------- */
.crumb { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; font-weight: 600; text-decoration: none; margin-bottom: 12px; min-height: 44px; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r); overflow: hidden; background: #0B1424; margin: 16px 0; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 16px; }

/* ---------- quiz ---------- */
.quiz-head { position: sticky; top: 60px; z-index: 5; background: #fff; padding: 12px 0; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.quiz-head .row { justify-content: space-between; margin-bottom: 8px; font-weight: 600; }
.q { border: 0; margin: 0 0 24px; padding: 0; min-width: 0; }
.q legend { font-weight: 600; font-size: 17px; margin-bottom: 12px; padding: 0; display: flex; gap: 10px; }
.qn { flex: none; width: 28px; height: 28px; border-radius: 8px; background: var(--blue-50); color: var(--blue); display: grid; place-items: center; font: 600 14px var(--font-head); }
.result { text-align: center; padding: 8px 0; }
.result h2 { margin-top: 16px; }
.result .row { justify-content: center; }

/* ---------- notices / empty ---------- */
.notice { display: flex; gap: 10px; align-items: flex-start; border-radius: 12px; padding: 12px 14px; margin: 12px 0; font-size: 15px; background: var(--warn-50); color: var(--warn); }
.notice.ok { background: var(--ok-50); color: var(--ok); } .notice.info { background: var(--blue-50); color: var(--blue-600); }
.hero .notice.ok { background: rgba(4,120,87,.22); color: #D1FAE5; }
.empty { text-align: center; padding: 32px 16px; color: var(--muted); }
.empty svg.i { width: 40px; height: 40px; color: #9AA6B8; margin-bottom: 8px; }

/* ---------- auth ---------- */
.auth { min-height: calc(100dvh - 60px); display: grid; align-items: center; padding: 24px 16px; }
.auth-grid { max-width: 980px; margin: 0 auto; display: grid; gap: 16px; width: 100%; }
@media (min-width: 880px) { .auth-grid { grid-template-columns: 1.15fr 1fr; gap: 20px; } }
.auth .hero, .auth .card { margin: 0; display: flex; flex-direction: column; justify-content: center; }
@media (min-width: 880px) { .auth .hero, .auth .card { padding: 40px; } }
.perks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 14px; }
.perks li { display: flex; gap: 12px; align-items: flex-start; color: #DCE4F0; }
.perks svg.i { color: var(--gold); margin-top: 2px; }
.auth .card .logo { width: 48px; height: 48px; font-size: 22px; margin-bottom: 16px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 -20px; }
@media (min-width: 768px) { .table-wrap { margin: 0 -24px; } }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); background: #F8FAFC; white-space: nowrap; }
tbody tr { transition: background var(--dur); } tbody tr:hover { background: #F8FAFD; }
tbody tr:last-child td { border-bottom: 0; }
.sub { font-size: 13px; color: var(--muted); }
.person { display: flex; align-items: center; gap: 10px; min-width: 200px; }
.person a { font-weight: 600; text-decoration: none; }
.person a:hover { text-decoration: underline; }
.num { font-variant-numeric: tabular-nums; }
.mini-bar { display: flex; align-items: center; gap: 8px; min-width: 130px; } .mini-bar .bar { flex: 1; height: 6px; }
select.status { min-height: 36px; padding: 4px 8px; font-size: 14px; width: auto; }

/* ---------- admin layout ---------- */
.admin { max-width: 1240px; margin: 0 auto; }
@media (min-width: 1024px) { .admin { display: grid; grid-template-columns: 236px 1fr; } }
.side { padding: 12px 16px 0; }
@media (min-width: 1024px) { .side { position: sticky; top: 60px; height: calc(100dvh - 60px); padding: 24px 12px; border-right: 1px solid var(--border); background: #fff; } }
.side nav { display: flex; gap: 6px; overflow-x: auto; }
@media (min-width: 1024px) { .side nav { flex-direction: column; } }
.side .label { display: none; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 0 12px; margin: 0 0 8px; }
@media (min-width: 1024px) { .side .label { display: block; } }
.nav-item { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 12px; border-radius: 10px; color: var(--muted); text-decoration: none; font-weight: 600; white-space: nowrap; transition: background var(--dur), color var(--dur); }
.nav-item:hover { background: #EEF1F6; color: var(--text); }
.nav-item.on { background: var(--blue-50); color: var(--blue); }
.admin main { max-width: none; margin: 0; padding: 20px 16px 72px; min-width: 0; }
@media (min-width: 1024px) { .admin main { padding: 32px; } }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { margin: 0 0 4px; } .page-head p { margin: 0; }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); margin-bottom: 16px; }
@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: #fff; border: 1px solid var(--border); border-radius: var(--r); padding: 16px; box-shadow: var(--sh-1); display: flex; gap: 12px; align-items: center; min-width: 0; }
.stat .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-50); color: var(--blue); flex: none; }
.stat .ico.ok { background: var(--ok-50); color: var(--ok); } .stat .ico.gold { background: var(--gold-50); color: #8A6A2B; }
.stat .val { font: 700 24px var(--font-head); color: var(--navy); line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat .lbl { font-size: 13px; color: var(--muted); }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; }
.toolbar > * { flex: 1 1 150px; }
.search { position: relative; flex: 2 1 240px; }
.search svg.i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search input { padding-left: 40px; }
details.card > summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px; font-weight: 600; min-height: 32px; }
details.card > summary::-webkit-details-marker { display: none; }
details.card[open] > summary { margin-bottom: 12px; }
.attempt { border: 1px solid var(--border); border-radius: var(--r); margin-bottom: 8px; }
.attempt > summary { cursor: pointer; padding: 12px 14px; display: flex; gap: 8px 12px; flex-wrap: wrap; align-items: center; list-style: none; }
.attempt > summary::-webkit-details-marker { display: none; }
.attempt-body { padding: 0 14px 14px; border-top: 1px solid var(--border); }
.qb-item { border: 1px solid var(--border); border-radius: var(--r); padding: 12px 14px; margin-bottom: 8px; display: flex; gap: 12px; justify-content: space-between; align-items: flex-start; }
.qb-item ol { margin: 6px 0 0; padding-left: 20px; font-size: 15px; list-style: upper-alpha; }
.ok-t { color: var(--ok); font-weight: 600; } .err-t { color: var(--err); font-weight: 600; }
code { background: #F1F4F9; padding: 2px 6px; border-radius: 6px; font-size: 14px; word-break: break-word; }

/* ---------- dashboard charts ---------- */
.chart-grid { display: grid; gap: 0 16px; }
@media (min-width: 1100px) { .chart-grid { grid-template-columns: 1fr 1fr; } }
.stat .sub { margin-top: 2px; }
.seg { display: inline-flex; background: #E9EDF3; border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; font: 600 14px var(--font-body); color: var(--muted); padding: 8px 12px; min-height: 38px; border-radius: 8px; cursor: pointer; transition: background var(--dur), color var(--dur); }
.seg button:hover { color: var(--text); }
.seg button.on { background: #fff; color: var(--navy); box-shadow: var(--sh-1); }
.funnel { display: grid; gap: 10px; }
.f-row { display: grid; grid-template-columns: minmax(96px, 136px) 1fr auto; gap: 12px; align-items: center; padding: 4px 0; border-radius: 8px; cursor: default; }
.f-lbl { font-size: 14px; color: var(--text); }
.f-track { height: 20px; }
.f-track i { display: block; height: 100%; min-width: 2px; background: var(--blue); border-radius: 0 4px 4px 0; transition: width 500ms var(--ease); }
.f-row:hover .f-track i, .f-row:focus-visible .f-track i { background: var(--blue-600); }
.f-val { font-weight: 700; min-width: 64px; text-align: right; }
.cols { display: flex; gap: 8px; height: 180px; }
.cols-y { display: flex; flex-direction: column; justify-content: space-between; font-size: 12px; color: var(--muted); padding-bottom: 1px; }
.cols-plot { flex: 1; display: flex; align-items: flex-end; gap: 2px; border-bottom: 1px solid var(--border); background: linear-gradient(var(--border), var(--border)) top / 100% 1px no-repeat; }
.col { flex: 1; height: 100%; display: flex; align-items: flex-end; justify-content: center; cursor: default; }
.col i { display: block; width: 100%; max-width: 24px; background: var(--blue); border-radius: 4px 4px 0 0; transition: height 500ms var(--ease); }
.col:hover i, .col:focus-visible i { background: var(--blue-600); }
.cols-x { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin: 6px 0 0 28px; }
.stack { display: flex; gap: 2px; height: 20px; border-radius: 4px; overflow: hidden; }
.stack i { display: block; min-width: 4px; cursor: default; }
.legend { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 8px; }
.legend li { display: flex; align-items: center; gap: 8px; font-size: 15px; }
.legend b { margin-left: auto; } .legend .sub { min-width: 40px; text-align: right; }
.sw { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.feed li:last-child { border-bottom: 0; }
.feed a { text-decoration: none; } .feed a:hover { text-decoration: underline; }
#tip { position: absolute; z-index: 60; transform: translate(-50%, -100%); background: var(--navy); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 10px; border-radius: 8px; box-shadow: var(--sh-2); pointer-events: none; opacity: 0; transition: opacity 120ms; white-space: nowrap; }
#tip.on { opacity: 1; }

/* ---------- learner dashboard ---------- */
.dash-hero { display: grid; gap: 20px; align-items: center; }
@media (min-width: 640px) { .dash-hero { grid-template-columns: 1fr auto; } }
.dash-hero p { margin-bottom: 16px; }
.hero .ring > div { background: var(--navy-2); color: #fff; }
.seg a { display: inline-flex; align-items: center; gap: 6px; font: 600 14px var(--font-body); color: var(--muted); padding: 8px 12px; min-height: 38px; border-radius: 8px; text-decoration: none; transition: background var(--dur), color var(--dur); }
.seg a:hover { color: var(--text); }
.seg a.on { background: #fff; color: var(--navy); box-shadow: var(--sh-1); }
.score-track { position: relative; background: #EEF1F5; border-radius: 0 4px 4px 0; }
.pass-mark { position: absolute; top: -4px; bottom: -4px; width: 2px; background: var(--navy); border-radius: 1px; }
.chapters > li.empty { display: block; }

/* ---------- practical task ---------- */
.task-box { white-space: pre-wrap; background: #F8FAFC; border: 1px solid var(--border); border-radius: var(--r); padding: 14px 16px; }
.task-answer { white-space: pre-wrap; border-left: 3px solid var(--blue); padding: 6px 12px; margin: 8px 0; }
.model-answer { white-space: pre-wrap; background: var(--gold-50); border: 1px solid #E8D9B5; border-radius: var(--r); padding: 14px 16px; margin-top: 16px; }
.model-answer .eyebrow { color: #7A5E22; display: flex; }
.q input[type=text] { margin-top: 4px; }

/* ---------- add-one-question form ---------- */
.qf-row { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; padding: 4px 4px 4px 12px; border: 1.5px solid var(--border); border-radius: 12px; background: #fff; transition: border-color var(--dur), background var(--dur); }
.qf-row.on { border-color: var(--ok); background: var(--ok-50); }
.qf-row input[type=text] { border: 0; box-shadow: none; padding-left: 4px; background: transparent; }
.qf-row input[type=text]:focus { box-shadow: none; }
.qf-row:focus-within { border-color: var(--blue); }
.qf-ok { width: 22px; height: 22px; accent-color: var(--ok); flex: none; margin: 0; cursor: pointer; }
.qf-x { width: 36px; height: 36px; color: var(--muted); }
.qf-x:hover { background: var(--err-50); color: var(--err); }
#qf-answers > label { margin-bottom: 8px; }
#qf-answers .btn-sm { margin-bottom: 8px; }

/* ---------- video seek-lock ---------- */
.watch { margin: -6px 0 14px; }
.watch .bar { height: 6px; margin-top: 6px; }

.cp-dlg { max-width: 520px; }
.cp-dlg form { text-align: left; margin-top: 12px; }
.cp-dlg h2 { margin-top: 6px; }

/* ---------- timed test + warnings ---------- */
.timer { font: 700 18px var(--font-head); color: var(--navy); background: var(--blue-50); border-radius: 8px; padding: 2px 10px; }
.timer.low { color: #fff; background: var(--err); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .75; } }
#quiz legend, #quiz .opt { user-select: none; -webkit-user-select: none; } /* question text can't be selected to copy */
.exam-warn { border: 0; border-radius: var(--r-lg); padding: 28px 24px; max-width: 420px; width: calc(100% - 32px); text-align: center; box-shadow: var(--sh-3); }
.exam-warn::backdrop { background: rgba(20,36,58,.6); }

.wc { font-size: 13px; color: var(--muted); margin: 4px 0 0; text-align: right; font-variant-numeric: tabular-nums; }
.wc.ok { color: var(--ok); font-weight: 600; } .wc.over { color: var(--err); font-weight: 600; }

/* ---------- reviews: mark picker ---------- */
.rv-mark { position: relative; margin: 0; }
.rv-mark input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.rv-mark span { display: inline-flex; justify-content: center; min-width: 44px; min-height: 38px; align-items: center; padding: 6px 10px; border-radius: 8px; font-weight: 700; color: var(--muted); }
.rv-mark input:checked + span { background: #fff; color: var(--navy); box-shadow: var(--sh-1); }
.rv-mark input:focus-visible + span { outline: 3px solid rgba(36,87,197,.45); }
.q textarea { margin-top: 4px; }

/* ---------- question guide ---------- */
.guide-ex { border: 1px solid var(--border); border-radius: var(--r); padding: 12px 14px; margin: 12px 0; }
.guide-ex pre { white-space: pre-wrap; word-break: break-word; background: #F1F4F9; border-radius: 8px; padding: 10px 12px; margin: 8px 0; font: 15px/1.5 ui-monospace, Consolas, 'Noto Sans Devanagari', monospace; }
.guide-steps, .guide-list { margin: 0; padding-left: 22px; display: grid; gap: 8px; }

/* ---------- celebrations ---------- */
.welcome { text-align: center; border-color: #E8D9B5; background: linear-gradient(180deg, var(--gold-50), #fff 70%); }
.welcome-ico { width: 64px; height: 64px; border-radius: 50%; background: var(--gold); color: var(--navy); display: grid; place-items: center; margin: 0 auto 12px; box-shadow: 0 0 0 8px rgba(197,161,91,.18); }
.welcome .row { justify-content: center; }
.welcome ol { text-align: left; max-width: 420px; margin: 12px auto 20px; padding-left: 20px; }
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 90; overflow: hidden; }
.confetti i { position: absolute; top: -14px; width: 8px; height: 12px; border-radius: 2px; animation-name: fall; animation-timing-function: linear; animation-fill-mode: forwards; }
@keyframes fall { to { transform: translateY(110vh) rotate(600deg); } }

/* ---------- toast / skeleton / motion ---------- */
#toasts { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 100; display: grid; gap: 8px; width: min(420px, calc(100% - 32px)); }
.toast { display: flex; gap: 10px; align-items: center; background: var(--navy); color: #fff; padding: 12px 16px; border-radius: 12px; box-shadow: var(--sh-3); font-weight: 500; animation: rise 220ms var(--ease); }
.toast.err { background: var(--err); }
.sk { background: linear-gradient(90deg, #E7EBF1 25%, #F2F5F8 50%, #E7EBF1 75%); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: var(--r-lg); }
@keyframes shimmer { to { background-position: -200% 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.fade-in { animation: rise 260ms var(--ease) both; }
.stagger > * { animation: rise 280ms var(--ease) both; }
.stagger > *:nth-child(2) { animation-delay: 40ms; } .stagger > *:nth-child(3) { animation-delay: 80ms; }
.stagger > *:nth-child(4) { animation-delay: 120ms; } .stagger > *:nth-child(5) { animation-delay: 160ms; }
.stagger > *:nth-child(n+6) { animation-delay: 200ms; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }