:root {
  --brand: #1F4E5F;
  --brand-soft: #E3EEF1;
  --brand-ink: var(--brand);   /* texto e bordas na cor da marca */
  --on-brand: #FFFFFF;          /* texto em cima de fundo da marca */
  --accent: #E8833A;
  --ink: #1B1F23;
  --muted: #5B6670;
  --bg: #FAF8F5;
  --card: #FFFFFF;
  --line: #E4E1DC;
  --ok: #2E7D4F;
  --radius: 18px;
  --tap: 56px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
#app { max-width: 520px; margin: 0 auto; min-height: 100dvh; display: flex; flex-direction: column; }
.loading { margin: auto; color: var(--muted); }

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px 20px calc(24px + env(safe-area-inset-bottom));
}
.screen.center { justify-content: center; text-align: center; }

.title { font-size: 1.6rem; line-height: 1.2; margin: 0; }
.eyebrow { margin: 0; color: var(--brand-ink); font-weight: 600; font-size: .9rem; letter-spacing: .02em; }
.lead { margin: 0; font-size: 1.05rem; color: var(--ink); }
.lead.strong { font-weight: 700; color: var(--brand-ink); }
.brand { display: flex; align-items: center; gap: 8px; min-height: 32px; }
.brand img { max-height: 32px; max-width: 160px; }
.brand span { font-weight: 800; color: var(--brand-ink); }
.hint { margin: 0; color: var(--muted); font-size: 1rem; min-height: 1.5em; text-align: center; }
.hint.error { color: #B3261E; }
.hint.strong { color: var(--ink); font-weight: 600; font-size: 1.05rem; }
.hint.ok { color: var(--ok); }
.hint.bad { color: #C62828; }
.steps { margin: 4px 0 0; padding: 14px 16px 14px 40px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; gap: 8px; font-size: 1.05rem; }
.steps li::marker { font-weight: 800; color: var(--brand-ink); }
.meta { margin: 0; font-weight: 600; }
.meta.small { font-weight: 500; font-size: .9rem; color: var(--muted); }
.label { margin: 0 0 4px; font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.step-title { margin: 8px 0 0; font-size: 1.4rem; text-align: center; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 10px;
}
.context-text { margin: 0; font-size: 1.15rem; }

.bar { height: 10px; background: var(--brand-soft); border-radius: 99px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--brand); border-radius: 99px; transition: width .4s ease; }

/* Topo da frase */
.top { display: flex; align-items: center; gap: 12px; padding: 12px 16px 0; }
.top-mid { flex: 1; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.home-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; min-width: 52px; height: 48px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--brand-ink); font: inherit; font-size: .72rem; font-weight: 700; cursor: pointer; padding: 2px 6px; }
.home-btn svg { width: 22px; height: 22px; fill: currentColor; }
.icon-btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); font-size: 1.6rem; line-height: 1; color: var(--ink); cursor: pointer;
}

/* Ações: sempre no fim da tela, ao alcance do polegar */
.actions { margin-top: auto; display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.actions.stack { margin-top: 24px; }
.btn {
  min-height: var(--tap); border-radius: 14px; border: 0; padding: 14px 20px;
  font: inherit; font-weight: 700; font-size: 1.1rem; cursor: pointer;
}
.btn.primary { background: var(--brand); color: var(--on-brand); }
.btn.primary:active { filter: brightness(.9); }
.btn.secondary { background: var(--card); color: var(--brand-ink); border: 2px solid var(--brand-ink); }
.link {
  background: none; border: 0; color: var(--brand-ink); font: inherit; font-weight: 600;
  text-decoration: underline; padding: 10px; min-height: 44px; cursor: pointer;
}

/* Áudio */
.play-zone { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 16px 0; }
.play-big, .rec-big {
  width: 112px; height: 112px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--brand); color: var(--on-brand); display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(31,78,95,.25);
}
.play-big svg, .rec-big svg { width: 52px; height: 52px; fill: currentColor; }
.rec-big { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(0,0,0,.18); }
.rec-big.on { animation: pulse 1.2s infinite; }
.playing { animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.06); } }

.play-inline {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  background: var(--brand-soft); color: var(--brand-ink); border: 0; border-radius: 99px;
  padding: 10px 16px; min-height: 48px; font: inherit; font-weight: 600; cursor: pointer;
}
.play-inline.center { align-self: center; }
.play-inline svg, .chip svg { width: 22px; height: 22px; fill: currentColor; }

.phrase-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.phrase-card hr { border: 0; border-top: 1px solid var(--line); margin: 6px 0; width: 100%; }
.en { margin: 0; font-size: 1.5rem; line-height: 1.3; font-weight: 700; color: var(--ink); }
.en.big { text-align: center; font-size: 1.6rem; }
.pron { margin: 0; font-size: 1.1rem; color: var(--brand-ink); font-style: italic; }
.pron.center { text-align: center; }
.pron-label { font-style: normal; font-weight: 700; font-size: .85rem; color: var(--muted); margin-right: 4px; }
.es { margin: 0; font-size: 1.1rem; }
.note { margin: 0; font-size: .95rem; color: var(--muted); }

/* ¿Qué escuchaste? */
.options { display: flex; flex-direction: column; gap: 10px; }
.option {
  min-height: var(--tap); text-align: left; padding: 14px 16px; border-radius: 14px;
  background: var(--card); border: 2px solid var(--line); font: inherit; color: var(--ink); cursor: pointer;
}
.option { display: flex; align-items: center; gap: 10px; }
.option .mark { font-weight: 800; font-size: 1.2rem; }
.option.right { border-color: var(--ok); background: #EAF5EE; font-weight: 700; color: var(--ok); }
.option.right span:last-child { color: var(--ink); }
.option.wrong { border-color: #C62828; background: #FDECEC; }
.option.selected { border-color: var(--brand-ink); background: var(--brand-soft); font-weight: 700; }
.option.selected .mark { color: var(--brand-ink); font-size: .9rem; }
.option.wrong .mark { color: #C62828; }
.option.dim { opacity: .55; }
.option:disabled { color: var(--ink); }

/* Gravação */
.compare { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: var(--tap);
  padding: 12px 18px; border-radius: 99px; border: 2px solid var(--brand-ink);
  background: var(--card); color: var(--brand-ink); font: inherit; font-weight: 700; cursor: pointer;
}
.mic-intro { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; padding-top: 24px; }
.mic-circle { width: 88px; height: 88px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-ink); display: grid; place-items: center; }
.mic-circle svg { width: 44px; height: 44px; fill: currentColor; }

.input {
  font: inherit; font-size: 1.3rem; text-align: center; letter-spacing: .1em; text-transform: uppercase;
  min-height: var(--tap); border-radius: 14px; border: 2px solid var(--line); padding: 10px 14px; background: var(--card);
}
.input:focus { outline: none; border-color: var(--brand-ink); }

.celebrate { font-size: 3rem; width: 96px; height: 96px; margin: 0 auto; border-radius: 50%; background: #EAF5EE; color: var(--ok); display: grid; place-items: center; }

.toast {
  position: fixed; left: 16px; right: 16px; bottom: calc(20px + env(safe-area-inset-bottom));
  max-width: 480px; margin: 0 auto; background: var(--ink); color: #fff; padding: 14px 16px;
  border-radius: 12px; text-align: center; z-index: 10;
}

button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* Cómo funciona */
.how-list { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.how-list li { display: flex; align-items: center; gap: 14px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.how-icon { position: relative; flex: none; width: 56px; height: 56px; border-radius: 50%; background: var(--brand-soft); color: var(--brand-ink); display: grid; place-items: center; }
.how-icon svg { width: 28px; height: 28px; fill: currentColor; }
.how-num { position: absolute; top: -4px; left: -4px; width: 24px; height: 24px; border-radius: 50%; background: var(--brand); color: var(--on-brand); font-size: .8rem; font-weight: 800; display: grid; place-items: center; }
.how-title { margin: 0; font-weight: 800; font-size: 1.15rem; }
.how-body { margin: 2px 0 0; color: var(--ink); }
.lead.center { text-align: center; }

.link.support { text-align: center; font-size: .95rem; color: var(--muted); }

/* Login (v0.2) */
.input.email { text-transform: none; letter-spacing: 0; font-size: 1.15rem; text-align: left; }
.input.code { font-size: 2rem; letter-spacing: .5em; text-align: center; padding-left: .5em; }
.login .lead { text-align: center; }
.link.small { font-size: .85rem; color: var(--muted); }
a.btn { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.spinner { width: 36px; height: 36px; margin: 8px auto; border-radius: 50%; border: 4px solid var(--brand-soft); border-top-color: var(--brand); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }