:root {
  --fundo: #f4f6fb;
  --cartao: #fff;
  --texto: #0f172a;
  --suave: #5b6476;
  --borda: #dde3ee;
  --azul: #1d4ed8;
  --azul-claro: #e6eeff;
  --verde: #15803d;
  --verde-claro: #e3f6e9;
  --vermelho: #b91c1c;
  --vermelho-claro: #fde8e8;
  --amarelo: #a16207;
  --amarelo-claro: #fdf3d8;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0b1120;
    --cartao: #141c2f;
    --texto: #e6e9f0;
    --suave: #9aa4b8;
    --borda: #26314a;
    --azul: #6d9bff;
    --azul-claro: #172447;
    --verde: #4ade80;
    --verde-claro: #12301f;
    --vermelho: #f87171;
    --vermelho-claro: #3a1717;
    --amarelo: #facc15;
    --amarelo-claro: #352b0b;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.55 system-ui, "Segoe UI", Roboto, sans-serif; background: var(--fundo); color: var(--texto); padding-bottom: 76px; }
a { color: var(--azul); }
h1 { font-size: 1.45rem; line-height: 1.25; margin: .2em 0 .5em; }
h2 { font-size: 1.15rem; margin: 1.4em 0 .5em; }
h3 { font-size: 1rem; margin: 1.2em 0 .4em; }
.suave { color: var(--suave); }
.peq { font-size: .85rem; }

.topo { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; background: var(--cartao); border-bottom: 1px solid var(--borda); }
.marca { display: flex; align-items: center; gap: 8px; font-weight: 700; text-decoration: none; color: var(--texto); }
.nuvem { font-size: .8rem; color: var(--suave); text-align: right; }
.topo-dir { display: flex; align-items: center; gap: 10px; }
.sair { padding: 5px 12px; font-size: .82rem; }
.nuvem[data-s="erro"] { color: var(--amarelo); }

main#tela { max-width: 760px; margin: 0 auto; padding: 16px; outline: none; }

.abas { position: fixed; left: 0; right: 0; bottom: 0; z-index: 5; display: grid; grid-template-columns: repeat(5, 1fr); background: var(--cartao); border-top: 1px solid var(--borda); padding-bottom: env(safe-area-inset-bottom); }
.abas a { display: flex; flex-direction: column; align-items: center; padding: 8px 0 10px; font-size: .78rem; color: var(--suave); text-decoration: none; }
.abas a span { font-size: 1.25rem; line-height: 1.2; }
.abas a[aria-current="page"] { color: var(--azul); font-weight: 700; }
@media (min-width: 900px) {
  body { padding-bottom: 0; }
  .abas { position: sticky; top: 49px; bottom: auto; max-width: 760px; margin: 0 auto; border: 1px solid var(--borda); border-top: 0; border-radius: 0 0 14px 14px; }
  .abas a { flex-direction: row; justify-content: center; gap: 6px; font-size: .95rem; }
}

.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 14px; padding: 16px; margin: 12px 0; }
.cartao > :first-child { margin-top: 0; }
.cartao > :last-child { margin-bottom: 0; }
.destaque { border-color: var(--azul); box-shadow: 0 0 0 1px var(--azul) inset; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 46px; padding: 10px 18px; border: 0; border-radius: 12px; background: var(--azul); color: #fff; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
@media (prefers-color-scheme: dark) { .btn { color: #0b1120; } }
.btn-leve { background: var(--azul-claro); color: var(--azul); }
@media (prefers-color-scheme: dark) { .btn-leve { color: var(--azul); } }
.btn-largo { width: 100%; }
.botoes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.botoes .btn { flex: 1 1 140px; }

.contagem { display: flex; align-items: baseline; gap: 10px; }
.contagem b { font-size: 2.4rem; line-height: 1; color: var(--azul); }

.barra { height: 8px; border-radius: 99px; background: var(--borda); overflow: hidden; }
.barra i { display: block; height: 100%; background: var(--verde); border-radius: 99px; }

.bloco { display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; align-items: center; padding: 12px 14px; text-decoration: none; color: inherit; }
.bloco .num { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--azul-claro); color: var(--azul); font-weight: 700; }
.bloco strong { display: block; line-height: 1.3; }

.selo { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: .75rem; font-weight: 700; white-space: nowrap; background: var(--borda); color: var(--suave); }
.selo[data-s="ok"] { background: var(--verde-claro); color: var(--verde); }
.selo[data-s="apr"] { background: var(--azul-claro); color: var(--azul); }
.selo[data-s="ref"] { background: var(--amarelo-claro); color: var(--amarelo); }
.selo[data-s="rev"] { background: var(--verde-claro); color: var(--verde); }

.aula p { margin: .6em 0; }
.aula ul { padding-left: 1.2em; margin: .5em 0; }
.aula li { margin: .25em 0; }
.aula table { width: 100%; border-collapse: collapse; font-size: .92rem; margin: .6em 0; }
.aula th, .aula td { border: 1px solid var(--borda); padding: 6px 8px; text-align: left; vertical-align: top; }
.aula th { background: var(--azul-claro); }
.atencao { border-left: 4px solid var(--amarelo); background: var(--amarelo-claro); padding: 10px 12px; border-radius: 8px; margin: .8em 0; }
.atencao::before { content: "⚠️ Pegadinha: "; font-weight: 700; }
.mapa { border-left: 4px solid var(--azul); background: var(--azul-claro); padding: 10px 12px; border-radius: 8px; margin: .8em 0; white-space: pre-line; font-family: ui-monospace, Consolas, monospace; font-size: .88rem; }

.origem { font-size: .78rem; font-weight: 700; letter-spacing: .02em; color: var(--suave); text-transform: uppercase; }
.origem[data-t="oficial"], .origem[data-t="adaptada"] { color: var(--verde); }
.origem[data-t="fonte"] { color: var(--amarelo); }
.enunciado { white-space: pre-line; }
.alts { display: grid; gap: 10px; margin: 14px 0; }
.alt { display: grid; grid-template-columns: 30px 1fr; gap: 8px; text-align: left; padding: 12px; border: 2px solid var(--borda); border-radius: 12px; background: var(--cartao); color: inherit; font: inherit; cursor: pointer; }
.alt > b { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--borda); }
.alt[aria-pressed="true"] { border-color: var(--azul); }
.alt[aria-pressed="true"] > b { background: var(--azul); color: #fff; }
.alt[data-r="certa"] { border-color: var(--verde); background: var(--verde-claro); }
.alt[data-r="certa"] > b { background: var(--verde); color: #fff; }
.alt[data-r="errada"] { border-color: var(--vermelho); background: var(--vermelho-claro); }
.alt[data-r="errada"] > b { background: var(--vermelho); color: #fff; }
.alt .expl { grid-column: 2; font-size: .9rem; color: var(--suave); }
.alt[data-r] .expl { color: var(--texto); }
.alt:disabled { cursor: default; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.chip { padding: 9px 14px; border: 1px solid var(--borda); border-radius: 99px; background: var(--cartao); color: inherit; font: inherit; font-size: .92rem; cursor: pointer; }
.chip[aria-pressed="true"] { border-color: var(--azul); background: var(--azul-claro); color: var(--azul); font-weight: 700; }

.resultado { padding: 12px 14px; border-radius: 12px; font-weight: 700; margin: 12px 0; }
.resultado[data-ok="1"] { background: var(--verde-claro); color: var(--verde); }
.resultado[data-ok="0"] { background: var(--vermelho-claro); color: var(--vermelho); }
.regra { border-left: 4px solid var(--verde); padding: 8px 12px; background: var(--cartao); border-radius: 8px; }

.flash { min-height: 190px; display: grid; place-items: center; text-align: center; font-size: 1.12rem; cursor: pointer; }
.flash .verso { white-space: pre-line; }

.erro-item { border-left: 4px solid var(--vermelho); }
.vazio { text-align: center; color: var(--suave); padding: 30px 10px; }
select { font: inherit; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--borda); background: var(--cartao); color: inherit; }

.entrar { max-width: 360px; margin: 12vh auto 0; padding: 20px; text-align: center; }
.entrar form { display: grid; gap: 12px; text-align: left; margin-top: 20px; }
.entrar label { display: grid; gap: 6px; font-weight: 600; }
.entrar input { font: inherit; padding: 12px; border-radius: 12px; border: 1px solid var(--borda); background: var(--cartao); color: inherit; }
.erro { color: var(--vermelho); min-height: 1.4em; margin: 0; }

/* ---------- início ---------- */
.heroi { display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: center; }
.heroi p { margin: 4px 0; }
.nivel { font-size: 1.02rem; }
.fogo { font-size: .95rem; }
.anel { width: 88px; height: 88px; transform: rotate(-90deg); }
.anel circle { fill: none; stroke-width: 9; }
.fundo-anel { stroke: var(--borda); }
.frente-anel { stroke: var(--verde); stroke-linecap: round; transition: stroke-dashoffset .8s ease; }
.anel text { transform: rotate(90deg); transform-origin: 42px 42px; font: 700 15px system-ui, sans-serif; fill: var(--texto); }
.contagem-linha b { font-size: 1.5rem; color: var(--azul); }
.plano { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.plano li { display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: center; }
.plano li .suave { display: block; }
.plano .btn { min-height: 40px; padding: 8px 14px; }
.check { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--borda); font-weight: 900; color: #fff; }
.plano li.feito .check { background: var(--verde); border-color: var(--verde); }
@media (prefers-color-scheme: dark) { .plano li.feito .check { color: #0b1120; } }
.plano li.feito b { text-decoration: line-through; text-decoration-color: var(--verde); }
.abas-mat .chip { text-decoration: none; }
.dica-erros { border-left: 4px solid var(--amarelo); }
.chip-peq { padding: 2px 10px; font-size: .85rem; }

/* ---------- aula ---------- */
.aula-topo { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.aula-topo h2 { margin: 0; }
.rolar { overflow-x: auto; }
.dia { border-left: 4px solid var(--verde); background: var(--verde-claro); padding: 10px 12px; border-radius: 8px; margin: .8em 0; }
.dia > b:first-child { display: block; margin-bottom: 2px; }

.fluxo { position: relative; margin: 1em 0; padding: 12px; border: 1px solid var(--borda); border-radius: 12px; }
.fluxo-titulo { margin: 0 0 8px; }
.paradas { list-style: none; margin: 0; padding: 0 0 0 4px; position: relative; }
.paradas::before { content: ""; position: absolute; left: 21px; top: 18px; bottom: 18px; width: 4px; background: repeating-linear-gradient(var(--borda) 0 8px, transparent 8px 14px); }
.paradas li { position: relative; display: grid; grid-template-columns: 38px 1fr; gap: 10px; padding: 6px 44px 6px 0; opacity: .45; transition: opacity .3s; cursor: pointer; }
.paradas li.feita { opacity: .8; }
.paradas li.atual { opacity: 1; }
.paradas .ponto { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--cartao); border: 2px solid var(--borda); font-size: 1.1rem; z-index: 1; }
.paradas li.feita .ponto { border-color: var(--azul); }
.paradas li.atual .ponto { background: var(--azul-claro); border-color: var(--azul); box-shadow: 0 0 0 4px var(--azul-claro); }
.paradas .desc { display: none; font-size: .92rem; }
.paradas li.atual .desc { display: block; }
.junto { white-space: nowrap; }
.onibus { position: absolute; right: 14px; top: 0; font-size: 1.7rem; transition: transform .7s cubic-bezier(.5, 0, .3, 1); pointer-events: none; }

.matriz { margin: 1em 0; padding: 12px; border: 1px solid var(--borda); border-radius: 12px; }
.seletor { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 8px 0; }
.seletor > span { width: 74px; font-weight: 700; font-size: .9rem; }
.seletor .chip { padding: 7px 12px; }
.grade-prio { display: grid; grid-template-columns: auto repeat(3, 1fr); gap: 4px; margin: 10px 0; font-size: .8rem; }
.grade-prio .cab { color: var(--suave); text-align: center; align-self: center; }
.cel { display: grid; place-items: center; height: 40px; border-radius: 8px; font-weight: 700; color: #fff; opacity: .55; transition: transform .2s, opacity .2s; }
.cel[data-p="1"] { background: #b91c1c; }
.cel[data-p="2"] { background: #ea580c; }
.cel[data-p="3"] { background: #ca8a04; }
.cel[data-p="4"] { background: #2563eb; }
.cel[data-p="5"] { background: #64748b; }
.cel.acesa { opacity: 1; transform: scale(1.08); box-shadow: 0 0 0 3px var(--texto); }
.saida-prio { font-size: .95rem; }

.texto-en article { background: var(--fundo); border-radius: 10px; padding: 12px; line-height: 1.8; }
.texto-en h4 { margin: 0 0 6px; }
.texto-pt { border: 1px solid var(--borda); border-radius: 12px; padding: 10px 12px; margin: .8em 0; }
.texto-pt summary { cursor: pointer; }
.texto-pt article { background: var(--fundo); border-radius: 10px; padding: 10px 12px; margin-top: 8px; line-height: 1.7; }
.texto-pt article p { margin: 0 0 .6em; }
.np { display: inline-block; min-width: 1.4em; margin-right: 6px; font-size: .75rem; font-weight: 700; color: var(--suave); }

.raiox-caixa { border: 1px solid var(--borda); border-radius: 12px; padding: 12px; margin: 1em 0; }
.raiox { border-top: 1px dashed var(--borda); padding-top: 10px; margin-top: 10px; }
.rx-frase { font-size: 1.12rem; line-height: 2; margin: 0 0 6px; }
.rx-frase span { border-radius: 6px; padding: 1px 4px; transition: background .3s, color .3s; }
.rx-a { font-weight: 700; display: inline-block; }
.raiox.p1 .rx-pede { background: var(--azul-claro); color: var(--azul); font-weight: 700; }
.raiox.p2 .rx-nome { background: var(--verde-claro); color: var(--verde); font-weight: 700; }
.raiox.p1 .rx-a { background: var(--amarelo-claro); }
.rx-a i { font-style: normal; display: inline-block; animation: rx-entra .4s ease; }
.rx-a .a1 { color: var(--azul); }
.rx-a .a2 { color: var(--verde); }
.raiox.p3 .rx-a { background: var(--amarelo-claro); color: var(--amarelo); animation: rx-junta .5s ease; }
.rx-passos { margin: 0 0 8px; padding-left: 1.3em; font-size: .95rem; }
@keyframes rx-entra { from { transform: translateY(-8px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes rx-junta { 0% { transform: scale(1.5); } 100% { transform: scale(1); } }
@media (prefers-reduced-motion: reduce) { .rx-a i, .raiox.p3 .rx-a { animation: none; } }

.grafico { margin: 1em 0; padding: 12px; border: 1px solid var(--borda); border-radius: 12px; }
.grafico figcaption { margin-bottom: 8px; }
.barras { display: grid; gap: 6px; }
.barra-g { display: grid; grid-template-columns: minmax(70px, 30%) 1fr auto; gap: 8px; align-items: center; font-size: .92rem; }
.trilho { background: var(--fundo); border-radius: 6px; height: 18px; overflow: hidden; }
.enche { display: block; height: 100%; width: var(--w); background: var(--azul); border-radius: 6px; animation: cresce .9s ease-out; }
@keyframes cresce { from { width: 0; } }
.pizza-caixa { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.pizza { width: 150px; height: 150px; border-radius: 50%; animation: gira .9s ease-out; }
@keyframes gira { from { transform: rotate(-90deg) scale(.6); opacity: .3; } }
.legenda { list-style: none; margin: 0; padding: 0; font-size: .92rem; }
.legenda .cor { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.estat { border: 1px solid var(--borda); border-radius: 12px; padding: 12px; margin: 1em 0; }
.fila-num { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; }
.nnum { display: inline-flex; flex-direction: column; align-items: center; min-width: 44px; padding: 6px 8px; border-radius: 10px; background: var(--fundo); font-weight: 700; animation: rx-entra .3s ease; }
.nnum small { font-weight: 400; font-size: .7rem; color: var(--suave); }
.nnum.marcado { background: var(--amarelo-claro); color: var(--amarelo); outline: 2px solid var(--amarelo); }
.saida-estat { margin: 6px 0 0; }

.grade-log { border: 1px solid var(--borda); border-radius: 12px; padding: 12px; margin: 1em 0; }
.pistas { margin: 0 0 8px; padding-left: 1.3em; }
.grade-t th { font-size: .85rem; }
.cel-g { width: 44px; height: 40px; border: 1px solid var(--borda); border-radius: 8px; background: var(--cartao); color: var(--texto); font-size: 1.1rem; cursor: pointer; }
.cel-g[data-v="x"] { color: var(--vermelho); background: var(--vermelho-claro); }
.cel-g[data-v="ok"] { color: var(--verde); background: var(--verde-claro); font-weight: 700; }
.cel-g.auto { animation: rx-entra .3s ease; }
.un { align-self: center; font-weight: 700; }
@media (prefers-reduced-motion: reduce) { .enche, .pizza, .nnum, .cel-g.auto { animation: none; } }

.palavra { font: inherit; color: inherit; background: none; border: 0; padding: 0; border-bottom: 2px dotted var(--azul); cursor: pointer; }
.palavra.tocada { background: var(--azul-claro); border-radius: 4px; }
.cognato { background: var(--amarelo-claro); border-radius: 4px; box-shadow: 0 0 0 2px var(--amarelo-claro); }
.traduz { position: sticky; bottom: 84px; margin: 10px 0; padding: 10px 12px; border-radius: 10px; background: var(--azul); color: #fff; font-size: 1.05rem; }
@media (prefers-color-scheme: dark) { .traduz { color: #0b1120; } }
.traduz .chip { margin-left: 8px; padding: 2px 10px; }
.topo-en { margin: 0 0 10px; }
.passos { border: 1px dashed var(--azul); border-radius: 10px; padding: 10px 12px; margin: 10px 0; }
.passos ol { margin: 6px 0; padding-left: 1.3em; }
.passos li { margin: 6px 0; animation: surge .35s ease; }

/* ---------- jogos ---------- */
.lista-jogos { display: grid; gap: 8px; }
.lista-jogos .cartao { margin: 0; }
.jogo { display: grid; grid-template-columns: 44px 1fr; gap: 10px; align-items: center; text-decoration: none; color: inherit; padding: 12px 14px; }
.jogo strong { display: block; line-height: 1.3; }
.icone-jogo { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--azul-claro); font-size: 1.35rem; }
.placar { display: flex; justify-content: space-between; gap: 10px; font-size: .9rem; color: var(--suave); margin: 6px 0; }
.placar-fim { text-align: center; }
.grande { font-size: 2.6rem; color: var(--azul); }
.explica { margin: 12px 0; padding: 12px; border-radius: 12px; background: var(--vermelho-claro); }
.explica.ok { background: var(--verde-claro); }
.explica .btn { margin-top: 10px; }
.dica { margin: 10px 0; padding: 8px 12px; border-radius: 10px; background: var(--amarelo-claro); }

.arrasta { min-height: 150px; display: grid; place-items: center; text-align: center; font-size: 1.2rem; font-weight: 600; touch-action: pan-y; user-select: none; cursor: grab; transition: transform .25s, border-color .2s; }
.arrasta.certo { border-color: var(--verde); background: var(--verde-claro); }
.arrasta.errado { border-color: var(--vermelho); background: var(--vermelho-claro); }
.arrasta.sai-e { transform: translateX(-120%) rotate(-12deg); }
.arrasta.sai-d { transform: translateX(120%) rotate(12deg); }
.lados { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.lados .btn { min-height: 64px; font-size: 1rem; }
.lado-d { background: var(--verde); }

.montagem { padding-left: 1.6em; margin: 10px 0; }
.montagem li { padding: 8px 10px; margin: 6px 0; border-radius: 10px; background: var(--verde-claro); animation: surge .3s ease; }
.montagem li.vaga { background: none; border: 2px dashed var(--borda); color: var(--suave); animation: none; }
.pecas { display: grid; gap: 8px; }
.peca, .item-liga, .tok { font: inherit; color: inherit; text-align: left; padding: 12px; border: 2px solid var(--borda); border-radius: 12px; background: var(--cartao); cursor: pointer; }

.frase { line-height: 2.4; font-size: 1.1rem; }
.tok { display: inline; padding: 3px 6px; border-width: 0 0 2px; border-radius: 6px; }
.tok.achou { background: var(--verde-claro); border-color: var(--verde); font-weight: 700; }
.tok.nao { background: var(--vermelho-claro); text-decoration: line-through; }
.tok.dica-alvo { animation: pisca 1s infinite; }

.liga { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.liga > div { display: grid; gap: 8px; align-content: start; }
.item-liga { font-size: .92rem; padding: 10px; }
.item-liga[aria-pressed="true"] { border-color: var(--azul); background: var(--azul-claro); }
.item-liga.ligado { border-color: var(--verde); background: var(--verde-claro); opacity: .75; }

.seq { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.termo { display: grid; place-items: center; min-width: 46px; height: 52px; padding: 2px 8px; border-radius: 10px; background: var(--azul-claro); font: 700 1.15rem system-ui, sans-serif; color: var(--texto); border: 2px solid transparent; }
.termo small { font-size: .62rem; font-weight: 400; color: var(--suave); line-height: 1; }
button.termo { cursor: pointer; }
button.termo:disabled { cursor: default; }
.vazio-t { background: none; border: 2px dashed var(--azul); }
.termo[data-g="0"] { background: #dbeafe; color: #1e3a8a; }
.termo[data-g="1"] { background: #fef3c7; color: #78350f; }
.termo[data-g="2"] { background: #dcfce7; color: #14532d; }
.grupos p[data-g="0"] { border-left: 5px solid #60a5fa; padding-left: 8px; }
.grupos p[data-g="1"] { border-left: 5px solid #f59e0b; padding-left: 8px; }
.grupos p[data-g="2"] { border-left: 5px solid #22c55e; padding-left: 8px; }
.seq:has(.pulo) { gap: 2px; align-items: center; }
.pulo { display: grid; justify-items: center; min-width: 30px; font-size: .78rem; color: var(--azul); line-height: 1.2; }
.pulo::after { content: "→"; color: var(--suave); }
.termo.antes { background: var(--borda); color: var(--suave); }
.termo.no-ciclo { background: var(--azul); color: #fff; }
.termo.repete { background: var(--azul-claro); }
@media (prefers-color-scheme: dark) { .termo.no-ciclo { color: #0b1120; } }
.resposta { display: flex; gap: 8px; margin: 12px 0; }
.resposta input { flex: 1; min-width: 0; font: 700 1.2rem system-ui, sans-serif; padding: 10px 12px; border-radius: 12px; border: 2px solid var(--borda); background: var(--cartao); color: inherit; }
.roda { display: block; width: min(260px, 80%); margin: 6px auto; }
.roda .aro { fill: none; stroke: var(--borda); stroke-width: 4; stroke-dasharray: 6 6; }
.roda .no circle { fill: var(--azul-claro); stroke: var(--azul); stroke-width: 2; cursor: pointer; }
.roda .no text { font: 700 18px system-ui, sans-serif; fill: var(--texto); pointer-events: none; }
.roda .no text.pos { font: 400 10px system-ui, sans-serif; fill: var(--suave); }
.roda .no.marcado circle { fill: var(--verde); stroke: var(--verde); animation: pulsa 1s ease 2; }
.roda .centro { font: 700 13px system-ui, sans-serif; fill: var(--suave); }

.treme { animation: treme .35s; }
@keyframes treme { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }
@keyframes surge { from { opacity: 0; transform: translateY(6px); } }
@keyframes pisca { 50% { background: var(--amarelo-claro); } }
@keyframes pulsa { 50% { transform: scale(1.15); } }
.roda .no { transform-box: fill-box; transform-origin: center; }

.festa { position: fixed; inset: 0; pointer-events: none; z-index: 20; overflow: hidden; }
.festa i { position: absolute; top: -40px; font-style: normal; font-size: 1.6rem; animation: cai 2.2s ease-in forwards; }
@keyframes cai { to { transform: translateY(110vh) rotate(540deg); } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }