/* Tutorial page: one chapter on screen at a time, each built around a small interactive. */
.tt { max-width: 60rem; margin: 0 auto; padding-bottom: 1rem; --tt-red: #dc2626; --tt-radius: 14px; }
.tt button { width: auto; margin: 0; box-shadow: none; }
.tt h2 { font-size: 1.55rem; margin: 0 0 .6rem; }
.tt h3 { font-size: 1.05rem; margin: 1.4rem 0 .5rem; }
.tt p { line-height: 1.6; }
.tt-note { font-size: .8rem; color: var(--avlu-text-muted); }
.tt-emoji { font-size: 1.9rem; line-height: 1; }
.tt-bigemoji { font-size: 3.2rem; }

/* header, progress, chapter pills */
.tt-head h1 { margin: 0 0 .3rem; }
.tt-lede { color: var(--avlu-text-muted); margin: 0 0 .9rem; }
.tt-progress { height: 6px; border-radius: 99px; background: var(--avlu-surface); overflow: hidden; }
.tt-progress i { display: block; height: 100%; width: 0; background: var(--avlu-accent); transition: width .35s ease; }
.tt-pills { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; padding: 0; margin: .7rem 0 1.4rem; }
.tt-pills li { list-style: none; margin: 0; }
.tt-pills button { font-size: .78rem; padding: .28rem .7rem; border-radius: 99px; border: 1px solid var(--avlu-border);
    background: var(--avlu-card); color: var(--avlu-text-muted); cursor: pointer; }
.tt-pills button:hover { border-color: var(--avlu-accent); color: var(--avlu-text); }
.tt-pills button.done { color: var(--avlu-accent); border-color: var(--avlu-accent-muted); }
.tt-pills button.active { background: var(--avlu-accent); border-color: var(--avlu-accent); color: #fff; }

/* chapters */
.tt-ch { display: none; background: var(--avlu-card); border: 1px solid var(--avlu-border); border-radius: var(--tt-radius);
    padding: 1.6rem 1.8rem; box-shadow: var(--avlu-shadow); }
.tt-ch.active { display: block; animation: tt-in .35s ease; }
@keyframes tt-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.tt-big { font-size: 1.2rem; font-weight: 500; }
.tt-toc { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); gap: .4rem; }
.tt-toc li { list-style: none; margin: 0; }
.tt-toc button { width: 100%; text-align: left; font-size: .88rem; padding: .5rem .7rem; border-radius: 10px; cursor: pointer;
    border: 1px solid var(--avlu-border); background: var(--avlu-bg); color: var(--avlu-text); }
.tt-toc button:hover { border-color: var(--avlu-accent); }

/* bottom navigation */
.tt-nav { position: sticky; bottom: .6rem; z-index: 20; display: flex; justify-content: center; align-items: center; gap: 1rem;
    margin: 1rem auto 0; width: fit-content; padding: .45rem .6rem; border-radius: 99px; background: var(--avlu-nav);
    border: 1px solid var(--avlu-border); box-shadow: var(--avlu-shadow-lg); }
.tt-nav span { font-size: .85rem; color: var(--avlu-text-muted); min-width: 8rem; text-align: center; }
.tt-nav button { padding: .5rem 1.1rem; }

/* callouts */
.tt-callout { display: flex; gap: .9rem; align-items: center; margin: 1.1rem 0; padding: .9rem 1.1rem; border-radius: 12px;
    background: var(--avlu-accent-2-bg); border: 1px solid var(--avlu-border); }
.tt-callout.tt-soft { background: var(--avlu-accent-subtle); }
.tt-callout > div:last-child { line-height: 1.55; }

/* counters */
.tt-counters { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin: 1.2rem 0; }
.tt-counter { background: var(--avlu-bg); border: 1px solid var(--avlu-border); border-radius: 12px; padding: .9rem; text-align: center; }
.tt-counter b { display: block; font-size: 1.9rem; font-variant-numeric: tabular-nums; color: var(--avlu-accent); }
.tt-counter span { font-size: .85rem; color: var(--avlu-text-muted); }

/* flip cards */
.tt-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr)); gap: .9rem; margin: 1rem 0; }
.tt-flip { position: relative; height: 12.5rem; perspective: 900px; background: none; border: 0; padding: 0; cursor: pointer; }
.tt-flip > span { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .3rem;
    padding: 1rem; border-radius: 14px; border: 1px solid var(--avlu-border); backface-visibility: hidden;
    transition: transform .55s cubic-bezier(.2,.8,.2,1); color: var(--avlu-text); text-align: center; }
.tt-flip .front { background: var(--avlu-bg); }
.tt-flip .front b { font-size: 1.05rem; }
.tt-flip .front small { color: var(--avlu-text-muted); }
.tt-flip .front em { font-style: normal; font-size: .8rem; color: var(--avlu-accent); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.tt-flip .back { background: var(--avlu-accent-subtle); transform: rotateY(180deg); font-size: .88rem; line-height: 1.5; }
.tt-flip.flipped .front { transform: rotateY(-180deg); }
.tt-flip.flipped .back { transform: rotateY(0); }
.tt-flip:hover .front { border-color: var(--avlu-accent); }

/* timeline */
.tt-steps { display: grid; grid-template-columns: repeat(7, 1fr); gap: .4rem; margin: 1rem 0 .8rem; position: relative; }
.tt-steps::before { content: ""; position: absolute; left: 7%; right: 7%; top: 1.35rem; height: 3px; background: var(--avlu-border); z-index: 0; }
.tt-step { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: .3rem; background: none; border: 0;
    color: var(--avlu-text-muted); font-size: .8rem; cursor: pointer; padding: 0; }
.tt-step span { display: grid; place-items: center; width: 2.7rem; height: 2.7rem; border-radius: 50%; font-size: 1.2rem;
    background: var(--avlu-card); border: 2px solid var(--avlu-border); transition: transform .2s; }
.tt-step:hover span { transform: scale(1.08); }
.tt-step.seen span { border-color: var(--avlu-accent-emphasis); }
.tt-step.active { color: var(--avlu-text); font-weight: 600; }
.tt-step.active span { border-color: var(--avlu-accent); background: var(--avlu-accent-muted); transform: scale(1.12); }
.tt-steppanel { display: none; background: var(--avlu-bg); border: 1px solid var(--avlu-border); border-radius: 12px; padding: 1rem 1.2rem; }
.tt-steppanel.active { display: block; animation: tt-in .3s ease; }
.tt-steppanel p { margin: 0 0 .6rem; }
.tt-why { font-size: .92rem; color: var(--avlu-text-muted); }
.tt-flags { display: flex; flex-wrap: wrap; gap: .4rem; }
.tt-flag { display: inline-flex; align-items: center; gap: .3rem; font-size: .8rem; font-weight: 600; padding: .25rem .65rem; border-radius: 99px;
    background: var(--avlu-danger-bg); color: var(--tt-red); text-decoration: none; border: 1px solid transparent; }
.tt-flag::before { content: "🚩"; font-size: .8rem; }
.tt-flag:hover { border-color: var(--tt-red); }

/* roads + calculator */
.tt-roads { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: .7rem; margin: 1rem 0; }
.tt-road { background: var(--avlu-bg); border: 1px solid var(--avlu-border); border-radius: 12px; padding: .9rem; }
.tt-road b { display: block; margin-top: .4rem; }
.tt-road small { color: var(--avlu-text-muted); }
.tt-road p { font-size: .86rem; margin: .4rem 0 0; line-height: 1.45; }
.tt-calc { border: 2px dashed var(--avlu-accent-emphasis); border-radius: 14px; padding: 1.1rem 1.2rem; margin: 1.2rem 0; }
.tt-calc h3 { margin-top: 0; }
.tt-amount { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--avlu-accent); }
.tt-calc input[type=range] { width: 100%; accent-color: var(--avlu-accent); margin: .4rem 0; }
.tt-check { font-size: .88rem; display: flex; align-items: center; gap: .4rem; cursor: pointer; }
.tt-check input { margin: 0; }
.tt-routes { display: grid; gap: .4rem; margin: .8rem 0; }
.tt-route { display: grid; grid-template-columns: 2rem 1fr auto; align-items: center; gap: .5rem; padding: .5rem .7rem; border-radius: 10px;
    border: 1px solid var(--avlu-border); background: var(--avlu-bg); transition: opacity .2s; }
.tt-route small { color: var(--avlu-text-muted); font-size: .8rem; text-align: right; }
.tt-route .tt-ok::before { content: "✓"; display: grid; place-items: center; width: 1.6rem; height: 1.6rem; border-radius: 50%;
    background: var(--avlu-success-bg); color: var(--avlu-success); font-weight: 700; }
.tt-route.no { opacity: .5; }
.tt-route.no .tt-ok::before { content: "✕"; background: var(--avlu-danger-bg); color: var(--avlu-danger); }
.tt-temptation { padding: .75rem 1rem; border-radius: 10px; background: var(--avlu-danger-bg); border: 1px solid var(--tt-red);
    font-size: .92rem; line-height: 1.5; }
.tt-temptation.warn { background: var(--avlu-warning-bg); border-color: var(--avlu-warning); }

/* game */
.tt-score { font-size: .85rem; color: var(--avlu-text-muted); margin-bottom: .4rem; }
.tt-scn { display: none; border: 1px solid var(--avlu-border); border-radius: 14px; padding: 1rem 1.2rem; background: var(--avlu-bg); }
.tt-scn.active { display: block; animation: tt-in .3s ease; }
.tt-q { font-weight: 600; margin: 0 0 .7rem; }
.tt-bids { position: relative; display: flex; align-items: flex-end; justify-content: center; gap: 1rem; height: 11rem; margin: .5rem 0 1rem;
    padding: 1.4rem .5rem 0; border-bottom: 2px solid var(--avlu-border); }
.tt-bid { position: relative; width: 4.2rem; max-width: 18%; border-radius: 8px 8px 0 0; background: var(--avlu-accent-emphasis);
    display: flex; justify-content: center; transform-origin: bottom; animation: tt-grow .6s cubic-bezier(.2,.8,.2,1) both; }
@keyframes tt-grow { from { transform: scaleY(0); } to { transform: none; } }
.tt-bid.win { background: var(--avlu-accent); }
.tt-bid.dq { background: repeating-linear-gradient(135deg, var(--avlu-border) 0 6px, transparent 6px 12px); border: 1px dashed var(--avlu-text-faint); }
.tt-bid.dq::after { content: "✕"; position: absolute; top: 40%; color: var(--avlu-danger); font-weight: 700; font-size: 1.3rem; }
.tt-bid b { position: absolute; top: -1.35rem; font-size: .72rem; font-weight: 600; white-space: nowrap; color: var(--avlu-text); }
.tt-bid .crown { position: absolute; top: -2.7rem; font-size: 1.1rem; }
.tt-est { position: absolute; left: 0; right: 0; border-top: 2px dashed var(--avlu-accent-2); }
.tt-est span { position: absolute; right: 0; top: -1.2rem; font-size: .7rem; color: var(--avlu-accent-2); font-weight: 600; }
.tt-opts { display: flex; flex-wrap: wrap; gap: .5rem; }
.tt-opts button { font-size: .88rem; padding: .5rem .9rem; border-radius: 10px; border: 1px solid var(--avlu-border);
    background: var(--avlu-card); color: var(--avlu-text); cursor: pointer; }
.tt-opts button:hover:not(:disabled) { border-color: var(--avlu-accent); }
.tt-opts button.right { background: var(--avlu-success-bg); border-color: var(--avlu-success); color: var(--avlu-success); font-weight: 600; }
.tt-opts button.wrong { background: var(--avlu-danger-bg); border-color: var(--avlu-danger); color: var(--avlu-danger); }
.tt-opts button:disabled { cursor: default; }
.tt-scn .tt-why, .tt-qz .tt-why { margin: .8rem 0 0; }
.tt-verdict { font-weight: 700; margin-right: .3rem; }
.tt-gamenav { display: flex; justify-content: center; align-items: center; gap: 1rem; margin-top: .8rem; font-size: .85rem; color: var(--avlu-text-muted); }
.tt-shake { animation: tt-shake .35s; }
@keyframes tt-shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }

/* segmented buttons */
.tt-seg { display: inline-flex; flex-wrap: wrap; gap: .3rem; margin: .3rem 0 .8rem; padding: .25rem; border-radius: 12px; background: var(--avlu-surface); }
.tt-seg button { font-size: .82rem; padding: .35rem .8rem; border-radius: 9px; border: 0; background: none; color: var(--avlu-text-muted); cursor: pointer; }
.tt-seg button.active { background: var(--avlu-card); color: var(--avlu-text); font-weight: 600; box-shadow: var(--avlu-shadow); }

/* top-3% strip */
.tt-dots { display: flex; align-items: flex-end; gap: 2px; height: 8rem; padding: .3rem; border-radius: 10px; background: var(--avlu-bg);
    border: 1px solid var(--avlu-border); }
.tt-dots i { flex: 1; background: var(--avlu-text-faint); opacity: .45; border-radius: 2px 2px 0 0; transition: height .5s ease; }
.tt-dots i.hot { background: var(--tt-red); opacity: 1; }

/* rarity bars */
.tt-rar { display: grid; gap: .35rem; margin: .4rem 0 .6rem; }
.tt-rarrow { display: grid; grid-template-columns: minmax(8rem, 15rem) 1fr 3.4rem; gap: .6rem; align-items: center; font-size: .85rem; }
.tt-rarrow .bar { height: .9rem; border-radius: 99px; background: var(--avlu-surface); overflow: hidden; }
.tt-rarrow .bar i { display: block; height: 100%; border-radius: 99px; background: var(--avlu-text-faint); transition: width .55s ease, background .3s; }
.tt-rar.weight .bar i { background: var(--tt-red); }
.tt-rarrow b { text-align: right; font-variant-numeric: tabular-nums; }

/* pair demo */
.tt-pair { border: 1px solid var(--avlu-border); border-radius: 14px; padding: 1rem; background: var(--avlu-bg); margin: .3rem 0 1rem; }
.tt-pairhead { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; font-weight: 600; margin-bottom: .8rem; }
.tt-pairhead small { margin-left: auto; color: var(--avlu-text-muted); font-weight: 400; }
.tt-link { color: var(--avlu-accent); }
.tt-tiles { display: grid; grid-template-columns: repeat(6, 1fr); gap: .45rem; }
.tt-tile { min-height: 4.2rem; border-radius: 10px; border: 1px solid var(--avlu-border); background: var(--avlu-card); padding: .35rem;
    font-size: .68rem; color: var(--avlu-text-muted); display: flex; flex-direction: column; gap: .2rem; transition: background .3s, border-color .3s; }
.tt-tile.flagged { border-color: var(--tt-red); background: var(--avlu-danger-bg); }
.tt-tile em { font-style: normal; color: var(--tt-red); font-weight: 600; line-height: 1.2; }
.tt-meter { display: grid; gap: .4rem; margin-top: .9rem; }
.tt-meter > div { display: grid; grid-template-columns: 10rem 1fr 3rem; gap: .6rem; align-items: center; font-size: .85rem; }
.tt-meter i { display: block; height: .8rem; border-radius: 99px; background: var(--avlu-text-faint); transition: width .6s ease; }
.tt-meter #tt-obs { background: var(--tt-red); }
.tt-meter b { text-align: right; font-variant-numeric: tabular-nums; }
.tt-donut { flex: 0 0 4.2rem; width: 4.2rem; height: 4.2rem; border-radius: 50%; display: grid; place-items: center;
    background: conic-gradient(var(--tt-red) calc(var(--p) * 1%), var(--avlu-surface) 0); }
.tt-donut span { display: grid; place-items: center; width: 2.9rem; height: 2.9rem; border-radius: 50%; background: var(--avlu-card); font-size: .8rem; font-weight: 700; }

/* page map */
.tt-map { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.2rem; align-items: start; margin: .8rem 0 1.2rem; }
.tt-mock { border: 1px solid var(--avlu-border); border-radius: 12px; padding: .9rem; background: var(--avlu-bg); display: grid; gap: .6rem; }
.tt-m-row { position: relative; display: flex; gap: .35rem; align-items: center; min-height: 1.4rem; padding-right: 2.2rem; }
.tt-m-row i { display: block; height: .7rem; flex: 1; border-radius: 99px; background: var(--avlu-surface); }
.tt-m-nav i { flex: 0 0 3.2rem; height: 1rem; border: 1px solid var(--avlu-border); background: var(--avlu-card); }
.tt-m-nav i.on { background: var(--avlu-accent); border-color: var(--avlu-accent); }
.tt-m-nav i.amber { border-color: var(--avlu-accent-2); background: var(--avlu-accent-2-bg); flex-basis: 4.5rem; }
.tt-m-text { flex-direction: column; align-items: stretch; }
.tt-m-text i { flex: 0 0 .55rem; }
.tt-m-text i.short { width: 60%; }
.tt-m-stats i { height: 1.8rem; border-radius: 6px; border: 1px solid var(--avlu-border); background: var(--avlu-card); }
.tt-m-stats i.red { box-shadow: inset 0 -3px 0 var(--tt-red); }
.tt-m-bars { flex: 1; display: flex; align-items: flex-end; gap: 2px; height: 3.6rem; }
.tt-m-bars span { flex: 1; background: var(--avlu-text-faint); opacity: .5; border-radius: 2px 2px 0 0; position: relative; }
.tt-m-bars span b { position: absolute; left: 0; right: 0; bottom: 0; background: var(--tt-red); border-radius: 2px 2px 0 0; }
.tt-m-tables i { height: 3.4rem; border-radius: 6px; border: 1px solid var(--avlu-border); background: repeating-linear-gradient(180deg, var(--avlu-card) 0 .8rem, var(--avlu-surface) .8rem .85rem); }
.tt-hot { position: absolute; right: 0; top: 50%; transform: translateY(-50%); width: 1.7rem; height: 1.7rem; border-radius: 50%;
    border: 0; background: var(--avlu-accent); color: #fff; font-weight: 700; font-size: .85rem; cursor: pointer; padding: 0;
    box-shadow: 0 0 0 0 var(--avlu-accent-emphasis); animation: tt-pulse 2.2s infinite; }
.tt-hot.active { background: var(--avlu-accent-2); animation: none; }
@keyframes tt-pulse { 0% { box-shadow: 0 0 0 0 var(--avlu-accent-emphasis); } 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.tt-hotinfo p { display: none; margin: 0; padding: 1rem 1.1rem; border-radius: 12px; background: var(--avlu-accent-subtle); border: 1px solid var(--avlu-border); }
.tt-hotinfo p.active { display: block; animation: tt-in .25s ease; }
.tt-cta { display: inline-block; padding: .6rem 1.2rem; border-radius: 10px; background: var(--avlu-accent); color: #fff !important;
    text-decoration: none; font-weight: 600; }
.tt-cta:hover { background: var(--avlu-accent-hover); }

/* quiz */
.tt-quiz { display: grid; gap: .9rem; }
.tt-qz { border: 1px solid var(--avlu-border); border-radius: 12px; padding: .9rem 1rem; background: var(--avlu-bg); }
.tt-done { text-align: center; margin: 1.4rem 0; padding: 1.4rem; border-radius: 14px; background: var(--avlu-accent-subtle); animation: tt-in .4s ease; }
.tt-done h3 { margin: .4rem 0; font-size: 1.4rem; }
.tt-ctas { display: flex; justify-content: center; gap: .6rem; flex-wrap: wrap; }
.tt-glossary { margin-top: 1.4rem; }
.tt-glossary dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1rem; font-size: .88rem; }
.tt-glossary dt { font-weight: 600; }
.tt-glossary dd { margin: 0; color: var(--avlu-text-muted); }
.tt-confetti { position: fixed; top: -1rem; z-index: 50; font-size: 1.2rem; pointer-events: none; animation: tt-fall linear forwards; }
@keyframes tt-fall { to { transform: translateY(110vh) rotate(540deg); opacity: .6; } }

@media (max-width: 720px) {
    .tt-ch { padding: 1.1rem 1rem; }
    .tt-counters { grid-template-columns: 1fr; }
    .tt-steps { grid-template-columns: repeat(4, 1fr); row-gap: .8rem; }
    .tt-steps::before { display: none; }
    .tt-tiles { grid-template-columns: repeat(3, 1fr); }
    .tt-map { grid-template-columns: 1fr; }
    .tt-rarrow { grid-template-columns: 7rem 1fr 3rem; font-size: .78rem; }
    .tt-meter > div { grid-template-columns: 7rem 1fr 2.6rem; }
    .tt-bid { width: 3rem; }
    .tt-bid b { font-size: .62rem; }
}
@media (prefers-reduced-motion: reduce) {
    .tt *, .tt *::before, .tt *::after { animation: none !important; transition: none !important; }
}