/* Motor de slides — Curso Fullstack
   Cada slide é um <section class="slide"> de 1280×720, escalado para caber na janela.
   Transições (data-transition), animações de passos (data-anim), componentes visuais
   (UML, objetos, cartas que viram, terminal, figuras) e quiz com XP. Veja modelo/slides.html. */

/* As cores vêm de tema.css (escuro/claro + destaque do módulo). Ficam no body porque o
   [data-mod] do módulo está no body: assim --d-accent pega a cor do módulo. */
body {
  --d-bg: var(--bg);
  --d-surface: var(--surface);
  --d-surface-2: var(--surface-2);
  --d-text: var(--text);
  --d-strong: var(--text-strong);
  --d-muted: var(--muted);
  --d-line: var(--line);
  --d-accent: var(--accent);
  --d-accent-text: var(--accent-text);
  --d-warm: var(--cyan);
  --d-ok: var(--ok-text);
  --d-bad: var(--bad-text);
  --d-gold: var(--gold);
  --d-purple: var(--purple);
  --mola: cubic-bezier(.34, 1.56, .64, 1);
  --suave: cubic-bezier(.2, .8, .2, 1);
}

html, body.deck-page { margin: 0; height: 100%; background: var(--sidebar); color: var(--d-text); font-family: var(--font); overflow: hidden; }

.viewport { position: fixed; inset: 0; overflow: hidden; }
.stage { --i: 0; position: absolute; left: 50%; top: 50%; width: 1280px; height: 720px; transform: translate(-50%, -50%) scale(var(--s, 1)); transform-origin: center center; background: var(--d-bg); overflow: hidden; box-shadow: 0 24px 80px rgba(0, 0, 0, .55); perspective: 1600px; }
/* fundo vivo: grade que desliza e brilho que muda de lugar a cada slide */
.stage::before { content: ""; position: absolute; inset: -40px; background-image: linear-gradient(color-mix(in srgb, var(--d-text) 5%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--d-text) 5%, transparent) 1px, transparent 1px); background-size: 40px 40px; background-position: calc(var(--i) * -120px) calc(var(--i) * -40px); transition: background-position 1s var(--suave); }
.stage::after { content: ""; position: absolute; width: 900px; height: 900px; border-radius: 50%; left: 30%; top: -420px; background: radial-gradient(closest-side, color-mix(in srgb, var(--d-accent) 12%, transparent), transparent); transform: translateX(calc(sin(var(--i) * 1.3rad) * 420px)) translateY(calc(cos(var(--i) * .9rad) * 160px)); transition: transform 1.2s var(--suave); pointer-events: none; }
.deck { position: absolute; inset: 0; z-index: 1; transform-style: preserve-3d; }

/* ---------- slide e transições ---------- */
.slide { position: absolute; inset: 0; padding: 56px 88px 64px; display: flex; flex-direction: column; justify-content: center; gap: 26px; opacity: 0; visibility: hidden; transform: translateX(60px); transition: opacity .5s ease, transform .6s var(--suave), filter .5s ease, visibility 0s linear .6s; backface-visibility: hidden; }
/* nada encolhe para caber: se faltar espaço, o conteúdo transborda e deck.js avisa no console */
.slide > * { flex-shrink: 0; }
.slide.active { opacity: 1; visibility: visible; transform: none; filter: none; transition: opacity .5s ease, transform .6s var(--suave), filter .5s ease; }
.slide.past { transform: translateX(-60px); }
.slide[data-transition="fade"], .slide[data-transition="fade"].past { transform: none; }
.slide[data-transition="zoom"] { transform: scale(1.12); filter: blur(6px); }
.slide[data-transition="zoom"].past { transform: scale(.88); }
.slide[data-transition="up"] { transform: translateY(80px); }
.slide[data-transition="up"].past { transform: translateY(-80px); }
.slide[data-transition="flip"] { transform: rotateY(-70deg); transform-origin: left center; }
.slide[data-transition="flip"].past { transform: rotateY(70deg); transform-origin: right center; }
.slide[data-transition="cube"] { transform: translateX(50%) rotateY(-45deg) scale(.8); }
.slide[data-transition="cube"].past { transform: translateX(-50%) rotateY(45deg) scale(.8); }
.slide.active[data-transition] { transform: none; filter: none; }
.slide .notes { display: none; }

/* título e cabeçalho entram com o slide */
.slide.active > .eyebrow { animation: entra-esq .6s var(--suave) both .08s; }
.slide.active > h1, .slide.active > h2 { animation: entra-cima .7s var(--suave) both .14s; }
@keyframes entra-esq { from { opacity: 0; transform: translateX(-24px); } }
@keyframes entra-cima { from { opacity: 0; transform: translateY(22px); clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 -20% 0); } }

.slide h1, .slide h2, .slide h3 { color: var(--d-strong); }
.slide h1 { font-size: 84px; line-height: 1.05; letter-spacing: -.03em; margin: 0; font-weight: 800; }
.slide h2 { font-size: 46px; line-height: 1.12; letter-spacing: -.02em; margin: 0; font-weight: 750; }
.slide h3 { font-size: 30px; margin: 0 0 6px; font-weight: 700; }
.slide p, .slide li { font-size: 30px; line-height: 1.45; margin: 0; max-width: none; }
.slide ul { margin: 0; padding-left: 1.1em; display: grid; gap: 12px; }
.slide .muted { color: var(--d-muted); }
.slide .eyebrow { font: 500 24px/1.3 var(--mono); color: var(--d-accent-text); margin: 0; letter-spacing: .01em; }
.slide code { font: 500 .88em var(--mono); background: var(--d-surface-2); padding: .08em .35em; border-radius: 8px; color: var(--d-text); }
.slide a { color: var(--d-accent-text); }
.slide strong { color: var(--d-strong); }
.slide .accent { color: var(--d-accent-text); }
.slide .ok { color: var(--d-ok); }
.slide .bad { color: var(--d-bad); }

/* marca-texto: o fundo "pinta" quando o slide (ou o passo) aparece */
.grifo { background: linear-gradient(transparent 58%, color-mix(in srgb, var(--d-accent) 45%, transparent) 58%) no-repeat 0 0 / 0% 100%; transition: background-size .8s var(--suave) .4s; padding: 0 .1em; }
.slide.active .grifo:not(.step .grifo, .step), .grifo.step.shown, .step.shown .grifo { background-size: 100% 100%; }

.slide--cover { justify-content: flex-end; padding-bottom: 92px; gap: 18px; background: radial-gradient(900px 500px at 85% 0%, color-mix(in srgb, var(--d-accent) 22%, transparent), transparent 70%); }
.slide--cover p { color: var(--d-muted); font-size: 34px; }
.slide--cover .fig { position: absolute; right: 72px; top: 56px; width: 420px; }
.slide--center { align-items: center; text-align: center; }
/* abertura de seção: número grande vazado ao fundo */
.slide--secao { gap: 18px; }
.slide--secao h2 { font-size: 68px; max-width: 820px; }
.slide--secao p { color: var(--d-muted); max-width: 760px; }
.secao-n { position: absolute; right: 80px; top: 50%; transform: translateY(-50%); font: 800 300px/1 var(--mono); color: transparent; -webkit-text-stroke: 3px color-mix(in srgb, var(--d-accent) 55%, transparent); pointer-events: none; }
.slide.active .secao-n { animation: secao-entra 1s var(--suave) both; }
@keyframes secao-entra { from { opacity: 0; transform: translate(80px, -50%) scale(.9); } }

/* logos: escola no canto de todo slide; marca do professor só na capa e no fim (deck.js) */
.slide-escola { position: absolute; right: 28px; bottom: 20px; height: 32px; width: auto; border-radius: 5px; opacity: .92; }
.slide-logo { position: absolute; right: 28px; bottom: 20px; width: 32px; height: 32px; border-radius: 8px; }
.slide-logo--ao-lado { right: 166px; }

/* ---------- layouts ---------- */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.cols--codigo { grid-template-columns: 1.6fr 1fr; align-items: start; }
.cols--codigo pre.code { font-size: 20px; padding: 18px 22px; }
.quiz pre.code { font-size: 26px; padding: 14px 24px; }
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.cols-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.box { background: var(--d-surface); border: 1px solid var(--d-line); border-radius: 18px; padding: 24px 26px; }
.box h3 { color: var(--d-text); }
.box p { font-size: 24px; color: var(--d-muted); }
.box--accent { border-color: var(--d-accent); background: color-mix(in srgb, var(--d-accent) 12%, var(--d-surface)); }
.box .ico { font-size: 44px; display: block; margin-bottom: 8px; }
.callout { border-left: 6px solid var(--d-warm); background: color-mix(in srgb, var(--d-warm) 12%, transparent); padding: 16px 24px; border-radius: 0 14px 14px 0; font-size: 28px; }
.callout--ok { border-color: var(--d-ok); background: color-mix(in srgb, var(--d-ok) 12%, transparent); }
.callout--bad { border-color: var(--d-bad); background: color-mix(in srgb, var(--d-bad) 12%, transparent); }

/* figura / ilustração (ex.: ../../assets/img/aulas/poo-02.svg) */
.fig { margin: 0; display: grid; gap: 10px; justify-items: center; }
.fig img, .fig svg { width: 100%; height: auto; border-radius: 22px; box-shadow: 0 24px 60px rgba(0, 0, 0, .5); display: block; }
.fig figcaption { font-size: 20px; color: var(--d-muted); text-align: center; }
.fig--flutua img { animation: flutua 5s ease-in-out infinite; }
@keyframes flutua { 50% { transform: translateY(-10px) rotate(.6deg); } }

/* fluxo horizontal: caixas ligadas por setas */
.flow { display: flex; align-items: center; gap: 18px; }
.flow .node { flex: 1; text-align: center; padding: 24px 16px; border-radius: 16px; background: var(--d-surface); border: 1px solid var(--d-line); font-size: 26px; font-weight: 600; }
.flow .node small { display: block; font: 400 20px var(--font); color: var(--d-muted); margin-top: 6px; }
.flow .node--accent { border-color: var(--d-accent); background: color-mix(in srgb, var(--d-accent) 14%, var(--d-surface)); box-shadow: 0 0 0 0 color-mix(in srgb, var(--d-accent) 40%, transparent); }
/* etapa já concluída (ex.: módulos anteriores do curso) */
.flow .node--feito { border-style: dashed; color: var(--d-muted); background: transparent; }
.flow .node--feito::before { content: "✓ concluído"; display: block; font: 600 16px var(--mono); color: var(--d-ok); margin-bottom: 6px; }
.flow .node[data-rotulo]::before { content: attr(data-rotulo); display: block; font: 600 16px var(--mono); color: var(--d-muted); margin-bottom: 6px; }
.flow .node--accent[data-rotulo]::before { color: var(--d-accent-text); }
.flow .node--accent.shown, .slide.active .flow .node--accent:not(.step) { animation: farol 2.2s ease-out .6s infinite; }
.flow .seta { font-size: 40px; color: var(--d-accent-text); flex: none; }
.flow .seta.shown { animation: seta-vai 1.4s ease-in-out infinite; }
@keyframes seta-vai { 50% { transform: translateX(8px); } }
@keyframes farol { 70% { box-shadow: 0 0 0 18px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ---------- POO: classe (UML) e objetos ---------- */
.uml { background: var(--d-surface); border: 2px solid var(--d-accent); border-radius: 16px; overflow: hidden; font: 500 24px/1.5 var(--mono); min-width: 300px; box-shadow: var(--shadow-up); }
.uml > b { display: block; background: var(--d-accent); color: var(--accent-ink); padding: 10px 20px; font-size: 26px; text-align: center; }
.uml > b small { display: block; font-size: 16px; font-weight: 500; opacity: .75; }
.uml ul { list-style: none; margin: 0; padding: 12px 20px; display: block; }
.uml ul + ul { border-top: 1px dashed var(--d-line); }
.uml li { font: inherit; }
.uml .priv { color: var(--d-bad); }
.uml .pub { color: var(--d-ok); }
.uml--molde { border-style: dashed; background: repeating-linear-gradient(45deg, color-mix(in srgb, var(--d-accent) 6%, var(--d-surface)) 0 10px, var(--d-surface) 10px 20px); }

.objetos { display: flex; gap: 20px; flex-wrap: wrap; }
.objeto { position: relative; background: var(--d-surface-2); border: 1px solid var(--d-line); border-left: 8px solid var(--cor, var(--d-accent)); border-radius: 14px; padding: 14px 20px; font: 500 21px/1.5 var(--mono); min-width: 230px; }
.objeto > b { display: block; font-size: 23px; color: var(--d-strong); margin-bottom: 4px; }
.objeto > span { display: block; color: var(--d-muted); }
.objeto::before { content: "new"; position: absolute; top: -12px; right: 12px; font: 700 14px var(--mono); background: var(--cor, var(--d-accent)); color: #0b0d10; padding: 2px 8px; border-radius: 999px; }

/* chips / etiquetas */
.chip { display: inline-flex; align-items: center; gap: 8px; font: 600 20px var(--mono); padding: 6px 14px; border-radius: 999px; background: var(--d-surface-2); border: 1px solid var(--d-line); }
.chip--ok { color: var(--d-ok); border-color: color-mix(in srgb, var(--d-ok) 50%, transparent); }
.chip--bad { color: var(--d-bad); border-color: color-mix(in srgb, var(--d-bad) 50%, transparent); }

/* ---------- cartas que viram (clique) ---------- */
.flip { perspective: 1000px; cursor: pointer; min-height: 220px; outline: none; }
.flip-in { position: relative; height: 100%; min-height: inherit; transition: transform .7s var(--mola); transform-style: preserve-3d; }
.flip.virada .flip-in { transform: rotateY(180deg); }
.flip-frente, .flip-verso { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 18px; padding: 24px; display: flex; flex-direction: column; justify-content: center; gap: 8px; border: 1px solid var(--d-line); }
.flip-frente { background: var(--d-surface); text-align: center; align-items: center; }
.flip-frente .ico { font-size: 56px; }
.flip-frente::after { content: "clique para virar ↻"; font: 500 15px var(--mono); color: var(--d-muted); margin-top: 6px; }
.flip-verso { background: color-mix(in srgb, var(--d-accent) 14%, var(--d-surface)); border-color: var(--d-accent); transform: rotateY(180deg); }
.flip-verso p { font-size: 23px; }
.flip:focus-visible .flip-in { outline: 3px solid var(--d-accent); outline-offset: 4px; border-radius: 18px; }

/* ---------- terminal ---------- */
.terminal { background: var(--code-bg); color: var(--code-text); border: 1px solid var(--d-line); border-radius: 16px; overflow: hidden; font: 400 23px/1.6 var(--mono); }
.terminal::before { content: "● ● ●"; display: block; padding: 8px 18px; background: var(--d-surface-2); color: var(--d-muted); border-bottom: 1px solid var(--d-line); font-size: 14px; letter-spacing: 4px; }
.terminal > div { padding: 16px 24px; display: grid; gap: 2px; }
.terminal .cmd::before { content: "$ "; color: var(--d-ok); }
.terminal .out { color: var(--d-muted); }
.terminal .err { color: var(--d-bad); }
.digitar { white-space: pre; clip-path: inset(0 100% 0 0); }
.digitar.shown, .slide.active .digitar:not(.step) { animation: digitar calc(var(--n, 20) * 45ms) steps(var(--n, 20)) .2s forwards; }
@keyframes digitar { to { clip-path: inset(0 0 0 0); } }

/* ---------- passos (revelar aos poucos) ---------- */
.step { opacity: 0; transform: translateY(14px); transition: opacity .4s ease, transform .5s var(--suave), filter .4s ease; }
.step.shown { opacity: 1; transform: none; filter: none; }
.step[data-anim="pop"] { transform: scale(.4); transition-timing-function: ease, var(--mola), ease; }
.step[data-anim="esquerda"] { transform: translateX(-80px); }
.step[data-anim="direita"] { transform: translateX(80px); }
.step[data-anim="cair"] { transform: translateY(-70px) rotate(-4deg); transition-timing-function: ease, var(--mola), ease; }
.step[data-anim="zoom"] { transform: scale(1.5); filter: blur(8px); }
.step[data-anim="foco"] { filter: blur(12px); transform: none; }
.step[data-anim="girar"] { transform: rotate(-180deg) scale(.3); transition-timing-function: ease, var(--mola), ease; }
.step[data-anim].shown { transform: none; filter: none; }
.step.shown[data-anim="pulsar"], .step[data-anim="pulsar"].shown { animation: pulsar .8s var(--mola); }
@keyframes pulsar { 40% { transform: scale(1.12); } }

/* filhos aparecem em sequência, um por vez (sem precisar de vários passos) */
.cascata > * { opacity: 0; transform: translateY(20px) scale(.96); transition: opacity .45s ease, transform .55s var(--mola); transition-delay: calc(var(--k, 0) * 140ms); }
.cascata.shown > *, .slide.active .cascata:not(.step) > * { opacity: 1; transform: none; }

/* ---------- código ---------- */
pre.code { font-variant-ligatures: none; margin: 0; background: var(--code-bg); border: 1px solid var(--code-line); border-radius: 16px; padding: 20px 28px; font: 400 24px/1.45 var(--mono); overflow: hidden; color: var(--code-text); position: relative; }
pre.code code { background: none; padding: 0; font: inherit; color: inherit; display: block; }
.ln { display: block; white-space: pre; padding: 0 12px; margin: 0 -12px; border-radius: 8px; transition: opacity .3s ease, background .3s ease, transform .3s var(--suave); }
pre.focusing .ln { opacity: .25; }
pre.focusing .ln.on { opacity: 1; background: color-mix(in srgb, var(--d-accent) 16%, transparent); transform: translateX(6px); box-shadow: inset 4px 0 0 var(--d-accent); border-radius: 2px 8px 8px 2px; }
.hljs-keyword, .hljs-literal, .hljs-selector-tag { color: var(--syn-kw); }
.hljs-string { color: var(--syn-str); }
.hljs-number { color: var(--syn-num); }
.hljs-comment { color: var(--syn-com); font-style: italic; }
.hljs-title, .hljs-title.function_ { color: var(--syn-fn); }
.hljs-title.class_, .hljs-type, .hljs-built_in { color: var(--syn-type); }
.hljs-meta, .hljs-meta .hljs-keyword { color: var(--syn-meta); }
.hljs-params, .hljs-variable, .hljs-attr, .hljs-property { color: var(--code-text); }

/* ---------- quiz ---------- */
.quiz { display: grid; gap: 18px; }
.quiz-q { font-size: 34px; font-weight: 650; }
.quiz-q::before { content: "❓ "; }
.quiz-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.opt { position: relative; font: 600 28px var(--font); text-align: left; padding: 20px 24px 20px 76px; border-radius: 16px; border: 2px solid var(--d-line); background: var(--d-surface); color: var(--d-text); cursor: pointer; transition: border-color .15s, background .15s, transform .2s var(--mola); box-shadow: 0 4px 0 var(--d-line); }
.opt::before { content: attr(data-letra); position: absolute; left: 20px; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: var(--d-surface-2); font: 700 20px var(--mono); color: var(--d-muted); }
.opt:hover:not(:disabled) { border-color: var(--d-accent); transform: translateY(-3px); }
.opt:disabled { cursor: default; }
.opt.correct { border-color: var(--d-ok); background: color-mix(in srgb, var(--d-ok) 16%, var(--d-surface)); box-shadow: 0 4px 0 color-mix(in srgb, var(--d-ok) 50%, #000); animation: certo .6s var(--mola); }
.opt.correct::before { content: "✓"; background: var(--ok); color: var(--ok-ink); }
.opt.wrong { border-color: var(--d-bad); background: color-mix(in srgb, var(--d-bad) 14%, var(--d-surface)); animation: treme .45s ease; }
.opt.wrong::before { content: "✗"; background: var(--bad); color: var(--ok-ink); }
.quiz.answered .opt:not(.correct):not(.wrong) { opacity: .45; }
.quiz-explain { visibility: hidden; opacity: 0; transform: translateY(10px); transition: opacity .4s, transform .4s var(--suave); color: var(--d-muted); font-size: 26px; }
.quiz.answered .quiz-explain { visibility: visible; opacity: 1; transform: none; }
.quiz-premio { font: 700 22px var(--mono); color: var(--d-gold); }
@keyframes certo { 40% { transform: scale(1.06); } }
@keyframes treme { 20%, 60% { transform: translateX(-10px); } 40%, 80% { transform: translateX(10px); } }

/* ---------- aula prática: etiquetas, roteiro, lab, live coding, intervalo ---------- */
.etiqueta { display: inline-flex; align-items: center; gap: 8px; font: 700 16px/1 var(--mono); padding: 7px 11px; border-radius: 6px; text-transform: uppercase; letter-spacing: .06em; vertical-align: middle; margin-right: 12px; }
.etiqueta--lab { background: var(--d-accent); color: var(--accent-ink); }
.etiqueta--live { color: var(--d-bad); border: 1px solid color-mix(in srgb, var(--d-bad) 50%, transparent); background: color-mix(in srgb, var(--d-bad) 10%, transparent); }
.etiqueta--live::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--d-bad); animation: ao-vivo 1.2s ease-in-out infinite; }
@keyframes ao-vivo { 50% { opacity: .25; } }

/* roteiro da aula com horários */
.agenda { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.agenda li { display: grid; grid-template-columns: 96px 1fr auto; align-items: center; gap: 18px; padding: 9px 18px; border: 1px solid var(--d-line); border-radius: 10px; background: var(--d-surface); font-size: 26px; line-height: 1.35; }
.agenda time { font: 600 22px var(--mono); color: var(--d-accent-text); }
.agenda em { font: 600 17px/1 var(--mono); font-style: normal; padding: 6px 10px; border-radius: 6px; border: 1px solid var(--d-line); color: var(--d-muted); white-space: nowrap; }
.agenda em.lab { background: var(--d-accent); border-color: var(--d-accent); color: var(--accent-ink); }
.agenda li.pausa { background: transparent; border-style: dashed; color: var(--d-muted); }

/* lab "mão na massa": enunciado, passos, saída esperada e cronômetro */
.slide--lab { justify-content: flex-start; gap: 22px; }
.lab-topo { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; }
.lab-topo .eyebrow { margin-bottom: 12px; }
.lab-topo h2 { font-size: 40px; }
.lab-corpo { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; align-items: start; }
.lab-passos { list-style: none; counter-reset: lp; margin: 0; padding: 0; display: grid; gap: 10px; }
.slide .lab-passos li { counter-increment: lp; position: relative; padding-left: 48px; font-size: 24px; line-height: 1.4; }
.lab-passos li::before { content: counter(lp); position: absolute; left: 0; top: 1px; width: 32px; height: 32px; border-radius: 7px; display: grid; place-items: center; background: var(--d-surface-2); border: 1px solid var(--d-line); font: 700 17px var(--mono); color: var(--d-accent-text); }
.slide .lab-bonus { font-size: 21px; color: var(--d-muted); border-top: 1px dashed var(--d-line); padding-top: 10px; }
.slide .lab-arq { font: 500 18px var(--mono); color: var(--d-muted); margin: 0 0 8px; }
.lab-saida .terminal { font-size: 19px; }

/* live coding: o que vamos escrever na IDE */
.objetivos { list-style: none; padding: 0; display: grid; gap: 14px; }
.slide .objetivos li { position: relative; padding-left: 46px; }
.objetivos li::before { content: ""; position: absolute; left: 0; top: .32em; width: 26px; height: 26px; border-radius: 6px; border: 2px solid var(--d-line); }

/* cronômetro (deck.js preenche) */
.cronometro { --p: 0; display: inline-grid; gap: 8px; justify-items: start; flex: none; padding: 14px 20px; min-width: 230px; border: 1px solid var(--d-line); border-radius: 12px; background: var(--d-surface); cursor: pointer; user-select: none; transition: border-color .2s; }
.cr-tempo { font: 700 56px/1 var(--mono); color: var(--d-strong); font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.cr-barra { width: 100%; height: 6px; border-radius: 3px; background: var(--d-surface-2); overflow: hidden; }
.cr-barra i { display: block; height: 100%; width: calc(var(--p) * 100%); background: var(--d-accent); transition: width .3s linear; }
.cr-info { font: 500 16px var(--mono); color: var(--d-muted); }
.cronometro.rodando { border-color: var(--d-accent); }
.cronometro.alerta .cr-tempo, .cronometro.alerta .cr-info { color: var(--d-gold); }
.cronometro.alerta .cr-barra i { background: var(--d-gold); }
.cronometro.fim { border-color: var(--d-bad); animation: cr-fim 1.2s ease-in-out infinite; }
.cronometro.fim .cr-tempo, .cronometro.fim .cr-info { color: var(--d-bad); }
@keyframes cr-fim { 50% { box-shadow: 0 0 0 10px color-mix(in srgb, var(--d-bad) 20%, transparent); } }
.cronometro--grande { justify-items: center; padding: 26px 48px; min-width: 560px; }
.cronometro--grande .cr-tempo { font-size: 150px; }
.cronometro--grande .cr-info { font-size: 24px; }
.slide--intervalo { align-items: center; text-align: center; }

/* ---------- UML do projeto final (Usuario, Projeto, Tarefa) ----------
   .up-classe.on destaca a classe da aula; .up-classe li.on destaca atributos. */
.uml-projeto { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
.up-classe { background: var(--d-surface); border: 1px solid var(--d-line); border-radius: 10px; overflow: hidden; font: 500 16px/1.4 var(--mono); opacity: .5; transition: opacity .4s, border-color .4s; }
.up-classe > b { display: block; padding: 8px 14px; background: var(--d-surface-2); border-bottom: 1px solid var(--d-line); text-align: center; font-size: 19px; color: var(--d-strong); }
.up-classe ul { list-style: none; margin: 0; padding: 8px 14px; display: block; }
.up-classe ul + ul { border-top: 1px dashed var(--d-line); }
.slide .up-classe li { font: inherit; }
.up-classe li.on { color: var(--d-accent-text); font-weight: 700; }
.up-classe .depois { color: var(--d-muted); font-style: italic; }
.up-classe.on { opacity: 1; border-color: var(--d-accent); box-shadow: 0 0 0 1px var(--d-accent); }
.up-classe.on > b { background: var(--d-accent); color: var(--accent-ink); border-color: var(--d-accent); }
.up-rel { font: 600 18px var(--mono); color: var(--d-muted); text-align: center; white-space: nowrap; }
.up-enums { display: flex; flex-wrap: wrap; gap: 10px; }
.up-enum { font: 500 16px var(--mono); padding: 6px 10px; border-radius: 6px; border: 1px dashed var(--d-line); color: var(--d-muted); }
.up-enum b { color: var(--d-text); }
.up-enum.on { border-style: solid; border-color: var(--d-accent); color: var(--d-text); }

/* ---------- interface (fora do palco) ---------- */
.ui { position: fixed; z-index: 5; color: var(--d-muted); font: 500 14px var(--mono); }
.ui-progress { left: 0; top: 0; height: 3px; width: 100%; background: var(--d-line); }
.ui-progress i { display: block; height: 100%; width: 0; background: var(--d-accent); transition: width .5s var(--suave); }
.ui-count { left: 14px; bottom: 10px; opacity: .7; }
.ui-xp { right: 14px; bottom: 10px; display: flex; gap: 12px; align-items: center; color: var(--d-gold); opacity: .85; }
.ui-xp .combo { color: var(--d-warm); }
.ui-xp.pulsa { animation: pulsar .6s var(--mola); }
.ui-back { left: 14px; top: 14px; opacity: 0; transition: opacity .2s; color: var(--d-muted); text-decoration: none; }
body.deck-page:hover .ui-back { opacity: .8; }
.ui-back:hover { color: var(--d-strong); }
.ui-btn { top: 50%; transform: translateY(-50%); width: 44px; height: 88px; border: 0; border-radius: 12px; background: color-mix(in srgb, var(--d-text) 8%, transparent); color: var(--d-text); font-size: 28px; cursor: pointer; opacity: 0; transition: opacity .2s; }
body.deck-page:hover .ui-btn { opacity: .55; }
.ui-btn:hover { opacity: 1 !important; background: color-mix(in srgb, var(--d-text) 16%, transparent); }
.ui-prev { left: 8px; }
.ui-next { right: 8px; }
.ui-help-btn { right: 14px; top: 12px; opacity: 0; transition: opacity .2s; background: none; border: 0; color: var(--d-muted); font: 500 14px var(--mono); cursor: pointer; }
body.deck-page:hover .ui-help-btn { opacity: .8; }
.ui-tema { right: 104px; top: 7px; width: 30px; height: 30px; opacity: 0; background: transparent; border-color: transparent; }
body.deck-page:hover .ui-tema { opacity: .8; }
.ui-tema:hover { opacity: 1 !important; }

.help { position: fixed; inset: 0; z-index: 10; display: none; place-items: center; background: var(--overlay); }
.help.open { display: grid; }
.help-box { background: var(--d-surface); border: 1px solid var(--d-line); border-radius: 18px; padding: 28px 34px; max-width: 520px; font: 400 16px/1.7 var(--font); }
.help-box h2 { margin: 0 0 12px; font-size: 22px; }
.help-box dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; margin: 0; }
.help-box dt { font: 500 15px var(--mono); color: var(--d-accent-text); }
.help-box dd { margin: 0; color: var(--d-text); }

/* ---------- modo apresentador (janela separada: tecla P) ---------- */
body.presenter .viewport { right: 38%; }
.notes-panel { display: none; }
body.presenter .notes-panel { display: block; position: fixed; top: 0; right: 0; bottom: 0; width: 38%; padding: 24px 28px; overflow: auto; background: var(--d-surface); border-left: 1px solid var(--d-line); font: 400 20px/1.6 var(--font); z-index: 4; }
.notes-panel h2 { font: 500 14px var(--mono); color: var(--d-accent-text); margin: 0 0 10px; text-transform: uppercase; letter-spacing: .06em; }
.notes-panel .prox { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--d-line); color: var(--d-muted); font-size: 16px; }

/* ---------- impressão / PDF (?print ou Ctrl+P) ---------- */
body.print-mode { overflow: auto; height: auto; background: #fff; }
body.print-mode .viewport { position: static; overflow: visible; }
body.print-mode .stage { position: static; transform: none; width: 1280px; height: auto; margin: 0 auto; box-shadow: none; background: transparent; overflow: visible; perspective: none; }
body.print-mode .stage::before, body.print-mode .stage::after { display: none; }
body.print-mode .deck { position: static; }
body.print-mode .slide { position: relative; opacity: 1; visibility: visible; transform: none; filter: none; transition: none; width: 1280px; height: 720px; margin: 0 auto 24px; background: var(--d-bg); overflow: hidden; break-after: page; }
body.print-mode .slide *, body.print-mode .slide *::before { animation: none !important; }
body.print-mode .step, body.print-mode .cascata > * { opacity: 1; transform: none; filter: none; transition: none; }
body.print-mode .digitar { clip-path: none; }
body.print-mode .grifo { background-size: 100% 100%; }
body.print-mode pre.focusing .ln { opacity: 1; background: none; transform: none; box-shadow: none; }
body.print-mode .ui, body.print-mode .help, body.print-mode .notes-panel { display: none !important; }
body.print-mode .quiz-explain { visibility: visible; opacity: 1; transform: none; }
@media print {
  @page { size: 1280px 720px; margin: 0; }
  body.print-mode { background: none; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  body.print-mode .slide { margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .slide, .slide.active, .step, .ln, .cascata > *, .flip-in, .stage::before, .stage::after { transition-duration: .01s !important; }
  .slide *, .slide *::before, .ui-xp { animation: none !important; }
  .digitar { clip-path: none; }
  .slide[data-transition] { filter: none; }
}