/* Treino de Pronúncia — Android/Chrome. Uma mão, botões grandes, polegar embaixo. */

:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --bg-2: #f3f5f9;
  --card: #ffffff;
  --fg: #14161a;
  --fg-mut: #5b6472;
  --line: #dde2ea;
  --ac: #1f4fd8;
  --ac-fg: #ffffff;
  --ac-soft: #e8edfd;
  --stress-bg: #ffd24d;
  --stress-fg: #2a1f00;
  --ok: #0f7a4a;
  --ok-soft: #e3f5ec;
  --er: #b3261e;
  --er-soft: #fdeceb;
  --sombra: 0 1px 2px rgba(16, 20, 28, .06), 0 8px 24px rgba(16, 20, 28, .06);
  --r: 14px;
  --nav-h: 62px;
}

/* Escuro por preferência do sistema, a não ser que o claro esteja escolhido na mão. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1116;
    --bg-2: #151a22;
    --card: #171d26;
    --fg: #eef1f6;
    --fg-mut: #9aa4b4;
    --line: #29303b;
    --ac: #7ea2ff;
    --ac-fg: #0b1220;
    --ac-soft: #1b2436;
    --stress-bg: #ffce3a;
    --stress-fg: #241a00;
    --ok: #5fd39b;
    --ok-soft: #14291f;
    --er: #ff9a92;
    --er-soft: #2c1917;
    --sombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

/* Escuro escolhido na mão, mesmo com o sistema no claro. */
:root[data-theme="dark"] {
  --bg: #0e1116;
  --bg-2: #151a22;
  --card: #171d26;
  --fg: #eef1f6;
  --fg-mut: #9aa4b4;
  --line: #29303b;
  --ac: #7ea2ff;
  --ac-fg: #0b1220;
  --ac-soft: #1b2436;
  --stress-bg: #ffce3a;
  --stress-fg: #241a00;
  --ok: #5fd39b;
  --ok-soft: #14291f;
  --er: #ff9a92;
  --er-soft: #2c1917;
  --sombra: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overscroll-behavior-y: contain;
}

body {
  background: var(--bg-2);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
}

:focus-visible { outline: 3px solid var(--ac); outline-offset: 2px; border-radius: 6px; }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---------- cabeçalho ---------- */
.topo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: max(10px, env(safe-area-inset-top)) 16px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.topo h1 { font-size: 1rem; font-weight: 700; margin: 0; letter-spacing: -.01em; }
.topo .contador { margin-left: auto; font-size: .85rem; color: var(--fg-mut); font-variant-numeric: tabular-nums; }
.barra { flex: 0 0 auto; height: 3px; background: var(--line); }
.barra > i { display: block; height: 100%; width: 0; background: var(--ac); transition: width .25s ease; }

/* ---------- área rolável ---------- */
.tela {
  flex: 1 1 auto;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 14px 16px calc(var(--nav-h) + 16px);
}
.tela.com-acoes { padding-bottom: 16px; }

/* ---------- cartão de treino ---------- */
.cartao {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sombra);
  padding: 20px 16px;
  text-align: center;
}
.sigla {
  font-size: clamp(2.2rem, 13vw, 3.2rem);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.1;
  margin: 0 0 2px;
}
.termo {
  font-size: clamp(1.6rem, 8.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0;
  overflow-wrap: break-word;
}
.sigla + .termo { font-size: clamp(1rem, 5vw, 1.25rem); font-weight: 600; color: var(--fg-mut); }
.categoria {
  display: inline-block;
  margin-top: 10px;
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--fg-mut);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
}

/* revelação */
.revelado { margin-top: 18px; text-align: left; }
.bloco { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.bloco:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.rotulo {
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--fg-mut); margin: 0 0 6px;
}
.silabas {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center;
  gap: 2px; font-size: clamp(1.15rem, 6vw, 1.6rem); font-weight: 600;
}
.silabas .sil { padding: 2px 4px; border-radius: 6px; }
.silabas .sil.forte {
  background: var(--stress-bg);
  color: var(--stress-fg);
  font-weight: 800;
  padding: 2px 9px;
  border-radius: 8px;
}
.silabas .sep { color: var(--fg-mut); opacity: .6; font-weight: 400; }
.dica-forte { text-align: center; font-size: .85rem; color: var(--fg-mut); margin: 8px 0 0; }
.erro-comum {
  background: var(--er-soft); color: var(--er); border-radius: 10px;
  padding: 10px 12px; font-weight: 600; font-size: .95rem;
}
.erro-comum s { opacity: .9; }
.frase-en { font-size: 1.05rem; font-weight: 600; margin: 0 0 4px; }
.frase-pt { font-size: .92rem; color: var(--fg-mut); margin: 0; }
.nota { font-size: .92rem; color: var(--fg-mut); margin: 0; }

/* ---------- botões ---------- */
.acoes {
  flex: 0 0 auto;
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: grid;
  gap: 10px;
}
.linha { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.btn {
  min-height: 56px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 14px;
  font: inherit; font-weight: 700; font-size: 1rem;
  color: var(--fg); background: var(--card);
  border: 1.5px solid var(--line); border-radius: 12px;
  cursor: pointer; text-align: center;
  transition: transform .08s ease, background-color .15s ease;
}
.btn:active:not(:disabled) { transform: scale(.98); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.pri { background: var(--ac); border-color: var(--ac); color: var(--ac-fg); }
.btn.ok { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.btn.rep { background: var(--er-soft); border-color: var(--er); color: var(--er); }
.btn.grav { background: var(--er); border-color: var(--er); color: #fff; }
.btn.peq { min-height: 48px; font-size: .92rem; font-weight: 600; }
.btn .ic { font-size: 1.15em; line-height: 1; }

/* ---------- navegação ---------- */
.nav {
  flex: 0 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav button {
  min-height: var(--nav-h);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  background: none; border: 0; cursor: pointer;
  color: var(--fg-mut); font: inherit; font-size: .72rem; font-weight: 600;
}
.nav button .ic { font-size: 1.25rem; line-height: 1; }
.nav button[aria-current="page"] { color: var(--ac); }

/* ---------- mensagens ---------- */
.aviso {
  border-radius: 10px; padding: 10px 12px; font-size: .9rem; margin: 0 0 12px;
  border: 1px solid var(--line); background: var(--card); color: var(--fg-mut);
}
.aviso.erro { background: var(--er-soft); border-color: var(--er); color: var(--er); font-weight: 600; }
.aviso.bom { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); font-weight: 600; }
.aviso.destaque { background: var(--ac-soft); border-color: var(--ac); color: var(--fg); }
.aviso em { font-style: normal; font-weight: 800; }

/* ---------- análise da força ---------- */
.analise {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  text-align: left;
}
.analise .veredito { font-size: 1rem; font-weight: 700; margin: 0 0 12px; }
.analise .veredito.certo { color: var(--ok); }
.analise .veredito.torto { color: var(--er); }
.analise .veredito.duvida { color: var(--fg-mut); }
.barras { display: grid; gap: 6px; }
.barra-sil { display: grid; grid-template-columns: minmax(48px, auto) 1fr; align-items: center; gap: 10px; }
.barra-sil .rot { font-weight: 700; font-size: .95rem; text-align: right; color: var(--fg-mut); }
.barra-sil .rot.esperada { color: var(--stress-fg); background: var(--stress-bg); border-radius: 6px; padding: 1px 6px; }
.barra-sil .trilho { display: block; background: var(--bg-2); border-radius: 999px; height: 16px; overflow: hidden; }
.barra-sil .nivel { display: block; height: 100%; background: var(--ac); border-radius: 999px; min-width: 3px; }
.barra-sil .nivel.pico { background: var(--er); }
.barra-sil .nivel.pico.certo { background: var(--ok); }
.analise .ressalva { font-size: .82rem; color: var(--fg-mut); margin: 12px 0 0; }

.estado-gravando {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; color: var(--er); margin-top: 12px;
}
.ponto { width: 12px; height: 12px; border-radius: 50%; background: var(--er); animation: pulsa 1s infinite; }
@keyframes pulsa { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* ---------- listas ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
  min-height: 40px; padding: 8px 14px; border-radius: 999px;
  border: 1.5px solid var(--line); background: var(--card); color: var(--fg);
  font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ac); border-color: var(--ac); color: var(--ac-fg); }

.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.item {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; display: flex; align-items: center; gap: 12px; width: 100%;
  font: inherit; color: var(--fg); text-align: left; cursor: pointer; min-height: 60px;
}
.item .txt { flex: 1 1 auto; min-width: 0; }
.item .nome { font-weight: 700; font-size: 1rem; }
.item .sil-mini { font-size: .85rem; color: var(--fg-mut); margin-top: 2px; }
.item .sil-mini b { color: var(--fg); background: var(--stress-bg); color: var(--stress-fg); padding: 0 4px; border-radius: 4px; }
.item .caixa {
  flex: 0 0 auto; font-size: .7rem; font-weight: 800; letter-spacing: .04em;
  border-radius: 999px; padding: 4px 8px; border: 1px solid var(--line); color: var(--fg-mut);
}
.item .caixa.c3 { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.item .caixa.c1 { background: var(--er-soft); border-color: var(--er); color: var(--er); }

/* ---------- progresso ---------- */
.numeros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.num { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 10px; text-align: center; }
.num b { display: block; font-size: 1.8rem; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.num span { font-size: .75rem; color: var(--fg-mut); font-weight: 600; }
h2.sec { font-size: .95rem; margin: 18px 0 10px; }

/* ---------- ajustes ---------- */
.campo { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 10px; }
.campo label { display: block; font-weight: 700; font-size: .92rem; margin-bottom: 4px; }
.campo .ajuda { font-size: .82rem; color: var(--fg-mut); margin: 0 0 10px; }
.campo select, .campo input[type="range"] { width: 100%; min-height: 48px; font: inherit; color: var(--fg); background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 0 10px; }
.campo input[type="range"] { padding: 0; accent-color: var(--ac); }
.troca { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.troca input[type="checkbox"] { width: 28px; height: 28px; accent-color: var(--ac); flex: 0 0 auto; }

.passos { margin: 8px 0 0; padding-left: 20px; font-size: .9rem; color: var(--fg-mut); }
.passos li { margin-bottom: 4px; }

.vazio { text-align: center; color: var(--fg-mut); padding: 40px 20px; }
.vazio b { display: block; font-size: 1.1rem; color: var(--fg); margin-bottom: 6px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .ponto { animation: none; opacity: 1; }
}

@media (min-width: 620px) {
  .tela, .acoes, .topo, .nav { max-width: 560px; margin-left: auto; margin-right: auto; width: 100%; }
  body { align-items: center; }
  .nav { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
}