/* Paleta do material do Músico Fluente (creme, azul-marinho, dourado) */
:root {
  --fundo: #F3EBDD;
  --cartao: #FBF7EF;
  --tinta: #16223D;
  --tinta-suave: #4A5570;
  --dourado: #C9A24A;
  --dourado-escuro: #A8842F;
  --linha: #E2D6BF;
  --apagado: #DDD2BC;
  --sombra: 0 10px 30px rgba(22, 34, 61, 0.08);
  --bola: 46px;
  --gap-bolas: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--fundo);
  color: var(--tinta);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

button { font: inherit; color: inherit; cursor: pointer; }

/* ---------- Topo: centralizado, com a pauta atravessando o fundo ---------- */
.topo {
  position: relative;
  display: flex;
  justify-content: center;
  padding: 18px 16px;
  padding-top: max(18px, env(safe-area-inset-top));
  background: var(--tinta);
  color: var(--fundo);
  overflow: hidden;
}
/* Pauta só nas laterais: some antes de chegar na logo e no nome */
.topo::before {
  content: "";
  position: absolute; left: 0; right: 0; top: calc(50% - 22px);
  height: 45px;
  background: repeating-linear-gradient(180deg, rgba(201, 162, 74, 0.28) 0 1px, transparent 1px 11px);
  -webkit-mask-image: linear-gradient(90deg, #000 0, transparent 32%, transparent 68%, #000 100%);
          mask-image: linear-gradient(90deg, #000 0, transparent 32%, transparent 68%, #000 100%);
  pointer-events: none;
}
/* filete dourado que se apaga nas pontas */
.topo::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--dourado) 20%, var(--dourado) 80%, transparent);
}
.marca { position: relative; display: flex; align-items: center; gap: 14px; }
.marca-logo { width: 56px; height: 56px; border-radius: 50%; display: block; box-shadow: 0 0 0 2px var(--dourado); }
.marca-nome {
  font-family: "Playfair Display", Georgia, serif; font-weight: 600; font-size: 1.6rem; color: #E4C77E; letter-spacing: 0.01em;
  white-space: nowrap;
}

/* ---------- Faixa fixa "Instale o app" ---------- */
.instalar {
  position: sticky; top: 0; z-index: 40;
  background: #EDE2CD;
  border-bottom: 1px solid #E0D2B8;
  box-shadow: 0 2px 8px rgba(22, 34, 61, 0.08);
}
.instalar[hidden] { display: none; }
.instalar-linha {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  max-width: 592px; margin: 0 auto; padding: 10px 14px;
}
.icone-cel {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--tinta); color: #E4C77E;
}
.instalar svg { width: 16px; height: 16px; }
.instalar-texto { font-size: 0.9rem; line-height: 1.25; color: var(--tinta); }
.instalar-texto small { display: block; font-size: 0.76rem; color: var(--tinta-suave); }
.btn-instalar {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: 999px; border: none;
  background: var(--tinta); color: #E4C77E; font-weight: 700; font-size: 0.88rem;
  touch-action: manipulation;
}
.btn-instalar:hover { background: #22305A; }
.instalar-passos { max-width: 440px; margin: 0 auto; padding: 0 16px 12px 36px; font-size: 0.88rem; line-height: 1.8; color: var(--tinta); }
.instalar-passos[hidden] { display: none; }
.instalar-passos .aviso-app { list-style: none; margin-left: -20px; margin-bottom: 4px; line-height: 1.4; color: var(--tinta-suave); }
.icone-menu { font-weight: 800; letter-spacing: -1px; }
.icone-compartilhar {
  display: inline-block; width: 12px; height: 14px; vertical-align: -2px; margin: 0 2px;
  border: 1.5px solid var(--tinta); border-top: none; border-radius: 0 0 2px 2px; position: relative;
}
.icone-compartilhar::before { content: "↑"; position: absolute; top: -9px; left: 50%; transform: translateX(-50%); font-size: 0.8rem; font-weight: 700; }

/* ---------- Layout ---------- */
.painel {
  flex: 1;
  width: 100%;
  max-width: 592px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
  padding: 24px 16px 32px;
  align-items: start;
}
@media (min-width: 980px) {
  .painel { max-width: 1120px; grid-template-columns: 1fr 1fr; }
  .metronomo { position: sticky; top: 20px; }
}

.cartao {
  min-width: 0;
  background: var(--cartao);
  border: 1px solid var(--linha);
  border-radius: 20px;
  box-shadow: var(--sombra);
  padding: 26px 24px;
}

h1 { margin: 0; text-align: center; font-size: 1.5rem; font-weight: 800; }
h2 { margin: 6px 0 0; font-size: 1.1rem; font-weight: 800; border-top: 1px solid var(--linha); padding-top: 20px; }

.aviso {
  margin: 6px 0 10px; min-height: 1.4em; text-align: center;
  font-weight: 700; font-size: 0.95rem; color: var(--dourado-escuro);
}
.aviso.silencio { color: var(--tinta-suave); }

/* ---------- Tempos (bolinhas) ---------- */
.tempos { display: flex; justify-content: center; flex-wrap: wrap; gap: var(--gap-bolas); min-height: 60px; }
.tempo-col { display: flex; flex-direction: column; align-items: center; }
.tempo {
  display: grid; place-items: center;
  width: var(--bola); height: var(--bola); border-radius: 50%;
  border: 3px solid transparent;
  background: var(--apagado); color: var(--tinta-suave);
  font-weight: 800; padding: 0;
  transition: transform 0.07s ease, background 0.07s ease;
  touch-action: manipulation;
}
.tempo.acento-2 { border-color: var(--dourado); }
.tempo.acento-0 { background: transparent; border: 2px dashed var(--apagado); color: var(--apagado); }
.tempo.aceso { background: var(--tinta); color: var(--fundo); transform: scale(1.15); }
.tempo.aceso.acento-2 { background: var(--dourado); color: var(--tinta); }
.tempo.aceso.acento-0 { background: transparent; color: var(--tinta); border-color: var(--tinta); }
.tempos.em-silencio .tempo.aceso { background: transparent; color: var(--tinta); border: 2px dashed var(--tinta); }
.tempos.em-contagem .tempo.aceso { background: var(--tinta-suave); color: var(--fundo); }

.subs { display: flex; gap: 3px; margin-top: 7px; justify-content: center; min-height: 6px; }
.sub { width: 6px; height: 6px; border-radius: 50%; background: var(--apagado); }
.sub.aceso { background: var(--dourado-escuro); }

.dica-acento { margin: 8px 0 18px; text-align: center; font-size: 0.78rem; color: var(--tinta-suave); }

/* ---------- BPM ---------- */
.bpm-bloco { display: flex; align-items: center; justify-content: center; gap: 20px; }
.bpm-display { display: flex; flex-direction: column; align-items: center; min-width: 150px; }
#bpm-valor { font-size: 4.5rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.bpm-rotulo { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.15em; color: var(--tinta-suave); margin-top: 4px; }
.andamento-nome { font-size: 0.95rem; font-style: italic; color: var(--dourado-escuro); margin-top: 6px; font-weight: 600; }

.btn-redondo {
  flex-shrink: 0;
  width: 54px; height: 54px; border-radius: 50%;
  border: 2px solid var(--tinta); background: transparent;
  font-size: 1.6rem; font-weight: 700; line-height: 1; padding: 0;
  user-select: none; -webkit-user-select: none; touch-action: manipulation;
}
.btn-redondo:active { background: var(--tinta); color: var(--fundo); }

/* ---------- Sliders ---------- */
input[type="range"] { width: 100%; accent-color: var(--tinta); cursor: pointer; margin: 0; }
#bpm-slider { margin: 22px 0 8px; height: 32px; }

/* ---------- Ações ---------- */
.acoes { display: flex; gap: 12px; margin: 14px 0 18px; }
.btn-play {
  flex: 2;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px; border: none; border-radius: 14px;
  background: var(--tinta); color: var(--fundo);
  font-size: 1.15rem; font-weight: 700;
  touch-action: manipulation;
}
.btn-play:hover { background: #22305A; }
.icone-play {
  width: 0; height: 0;
  border-left: 14px solid var(--dourado);
  border-top: 9px solid transparent; border-bottom: 9px solid transparent;
}
.btn-play.tocando .icone-play { width: 14px; height: 16px; border: none; background: var(--dourado); border-radius: 2px; }

.btn-secundario {
  flex: 1;
  padding: 16px 10px; border-radius: 14px;
  border: 2px solid var(--tinta); background: transparent;
  font-weight: 700; touch-action: manipulation;
  user-select: none; -webkit-user-select: none;
}
.btn-secundario:active { background: var(--dourado); border-color: var(--dourado); }

.estudo {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  font-size: 0.9rem; color: var(--tinta-suave);
}
.estudo strong { color: var(--tinta); font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.btn-link { border: none; background: none; text-decoration: underline; color: var(--tinta-suave); font-size: 0.85rem; padding: 6px; }

/* ---------- Ajustes ---------- */
.ajustes { display: flex; flex-direction: column; gap: 20px; }
fieldset { border: none; margin: 0; padding: 0; min-width: 0; }
legend { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--tinta-suave); margin-bottom: 8px; padding: 0; }

.segmentado {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--min, 64px), 1fr));
  background: var(--apagado); border-radius: 12px; padding: 4px; gap: 4px;
}
.sons { --min: 108px; }
.compassos { --min: 50px; }
/* Subdivisão: uma linha só; em cartão estreito, as 4 opções viram 2×2 */
fieldset { container-type: inline-size; }
.subdivisoes { grid-template-columns: repeat(var(--n, 4), 1fr); }
.subdivisoes.n3 { --n: 3; }
@container (max-width: 400px) {
  .subdivisoes.n4 { --n: 2; }
}
.subdivisoes button { flex-direction: column; gap: 2px; font-size: 0.82rem; padding: 8px 4px; }
.segmentado button {
  border: none; background: transparent;
  padding: 10px 6px; border-radius: 9px; min-height: 44px;
  font-weight: 600; font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  touch-action: manipulation;
}
.segmentado button:hover { background: rgba(255, 255, 255, 0.45); }
.segmentado button.ativo { background: var(--tinta); color: var(--fundo); }
.figura { font-size: 1.25rem; line-height: 1; }
.figura small { font-size: 0.65rem; font-weight: 800; vertical-align: super; }

.grupo-compasso { display: grid; grid-template-columns: 76px 1fr; align-items: center; gap: 8px; margin-bottom: 8px; }
.rotulo-grupo { font-size: 0.85rem; font-weight: 600; color: var(--tinta-suave); }

.nota { margin: 6px 0 0; font-size: 0.8rem; color: var(--tinta-suave); line-height: 1.4; }

.linha-opcoes { display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; }

.chave { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.95rem; cursor: pointer; position: relative; min-height: 32px; }
.chave input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.chave-trilho { flex-shrink: 0; position: relative; width: 44px; height: 24px; border-radius: 12px; background: var(--apagado); transition: background 0.15s; }
.chave-trilho::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform 0.15s; }
.chave input:checked + .chave-trilho { background: var(--dourado); }
.chave input:checked + .chave-trilho::after { transform: translateX(20px); }
.chave input:focus-visible + .chave-trilho { outline: 2px solid var(--tinta); outline-offset: 2px; }

.volume { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 0.95rem; flex: 1; min-width: 200px; }

.treino { background: #fff; border: 1px solid var(--linha); border-radius: 14px; padding: 14px 16px; }
.frase { margin: 10px 0 0; font-size: 0.9rem; line-height: 2.3; color: var(--tinta-suave); }
.frase input {
  width: 58px; padding: 5px 4px; text-align: center;
  font: inherit; font-weight: 700; color: var(--tinta);
  border: 1px solid var(--linha); border-radius: 8px; background: var(--cartao);
  font-size: 16px; /* evita zoom automático no iPhone */
}
.treino.desligado .frase { opacity: 0.55; }

.dica { margin: 16px 0 0; text-align: center; font-size: 0.78rem; color: var(--tinta-suave); line-height: 1.8; }
kbd { font-family: inherit; font-size: 0.72rem; padding: 1px 6px; border: 1px solid var(--linha); border-bottom-width: 2px; border-radius: 4px; background: #fff; }

.rodape { text-align: center; padding: 18px; padding-bottom: max(18px, env(safe-area-inset-bottom)); font-size: 0.8rem; color: var(--tinta-suave); }

button:focus-visible, .frase input:focus-visible { outline: 2px solid var(--dourado); outline-offset: 2px; }

/* ---------- Piscar a tela ---------- */
.flash { position: fixed; inset: 0; pointer-events: none; opacity: 0; z-index: 50; background: var(--tinta); transition: opacity 0.12s ease-out; }
.flash.ligado { opacity: 0.12; transition: none; }
.flash.ligado.forte { background: var(--dourado); opacity: 0.3; }

/* ---------- Celular ---------- */
@media (hover: none) { .dica { display: none; } }

@media (max-width: 480px) {
  :root { --bola: 42px; --gap-bolas: 9px; }
  .painel { padding: 16px 12px 24px; gap: 14px; }
  .cartao { padding: 20px 14px; border-radius: 16px; }
  #bpm-valor { font-size: 3.8rem; }
  .bpm-display { min-width: 110px; }
  .bpm-bloco { gap: 14px; }
  .segmentado button { font-size: 0.82rem; }
  .grupo-compasso { grid-template-columns: 1fr; gap: 4px; }
  .topo { padding: 14px 12px; padding-top: max(14px, env(safe-area-inset-top)); }
  .marca-logo { width: 52px; height: 52px; }
  .marca-nome { font-size: 1.4rem; }
  .instalar-texto { font-size: 0.85rem; }
}

@media (max-width: 350px) {
  .marca-nome { font-size: 1.2rem; }
  .marca-logo { width: 46px; height: 46px; }
  .icone-cel { display: none; }
  :root { --bola: 38px; --gap-bolas: 7px; }
  #bpm-valor { font-size: 3.2rem; }
  .btn-redondo { width: 46px; height: 46px; }
  .sons { --min: 96px; }
}

/* Celular deitado: duas colunas e metrônomo compacto, tudo cabe na tela */
@media (max-height: 500px) and (orientation: landscape) and (min-width: 640px) {
  .topo { display: none; }
  .painel { max-width: none; grid-template-columns: 1fr 1fr; padding: 10px 16px 16px; padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); gap: 14px; }
  .metronomo { position: sticky; top: 10px; padding: 12px 16px; }
  .metronomo h1, .dica-acento, .dica { display: none; }
  .aviso { margin: 0 0 6px; }
  .tempos { min-height: 0; }
  :root { --bola: 36px; }
  #bpm-valor { font-size: 2.8rem; }
  .btn-redondo { width: 44px; height: 44px; }
  .bpm-bloco { margin-top: 6px; }
  #bpm-slider { margin: 8px 0 4px; }
  .acoes { margin: 6px 0 8px; }
  .btn-play, .btn-secundario { padding: 11px; }
  .ajustes { padding: 16px; }
  .grupo-compasso { grid-template-columns: 1fr; gap: 4px; }
  .rodape { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .tempo { transition: none; }
  .tempo.aceso { transform: none; }
}