/* FraseQuest — estilos (baseado no protótipo hi-fi do Maicon) */
:root {
  --safe-top: max(env(safe-area-inset-top, 0px), 14px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  --ground: #0e0d0c;
  --surface: #17161a;
  --surface-2: #1e1c22;
  --surface-3: #26232c;
  --border: #2b2830;
  --border-soft: rgba(255,255,255,.07);
  --text: #f5f3f7;
  --muted: #a49fb0;
  --faint: #807b8c;
  --accent: #ec5a94;
  --accent2: #8b8bf0;
  --good: #7dd3a8;
  --warn: #f0b46b;
  --bad: #f08080;

  --font-display: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --r-tile: 18px;
  --r-card: 24px;
  --r-pill: 999px;
  --ease: cubic-bezier(.22,.7,.3,1);
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; background: var(--ground); }
body {
  font-family: var(--font-body); color: var(--text); -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(900px 420px at 50% -6%, rgba(236,90,148,.10), transparent 60%),
    var(--ground);
  overscroll-behavior: none;
}
[hidden] { display: none !important; }
svg.ic { display: block; width: 26px; height: 26px; flex: none; }
:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; border-radius: 6px; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; }
.od-fill { flex: 1 1 0; min-width: 0; }
.od-nowrap { white-space: nowrap; }
.od-truncate { display: block; max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.od-clamp-2 { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

/* ---------- shell ---------- */
.shell { position: fixed; inset: 0; display: flex; justify-content: center; }
.viewport { position: relative; width: 100%; max-width: 520px; height: 100%; overflow: hidden; }
.content {
  position: absolute; inset: 0; overflow-x: hidden; overflow-y: auto; -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain; scrollbar-width: none;
  padding-top: var(--safe-top);
  padding-bottom: calc(var(--safe-bottom) + 88px);
}
.content::-webkit-scrollbar { display: none; }
.content.no-tabs { padding-bottom: calc(var(--safe-bottom) + 10px); }
.content.lock { overflow: hidden; }
.app { min-height: 100%; position: relative; }
.screen { display: flex; flex-direction: column; min-height: 100%; }

/* ---------- login ---------- */
.login { min-height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; gap: 16px; padding: 32px 26px; }
.login .logo { width: 84px; height: 84px; border-radius: 28px; display: grid; place-items: center; background: linear-gradient(150deg, rgba(236,90,148,.3), rgba(139,139,240,.25)); border: 1px solid rgba(255,255,255,.12); color: var(--accent); }
.login h1 { margin: 6px 0 0; font-family: var(--font-display); font-size: 28px; letter-spacing: -.03em; }
.login h1 em { font-style: normal; color: var(--accent); }
.login p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; max-width: 32ch; }
.gbtn { display: inline-flex; align-items: center; gap: 10px; min-height: 50px; padding: 0 22px; border-radius: var(--r-pill); background: #fff; color: #1f1f1f; font-weight: 600; font-size: 15px; margin-top: 10px; }
.gbtn svg { width: 24px; height: 24px; }
.login .small { font-size: 13.5px; color: var(--faint); }

/* top bar */
.topbar { display: flex; align-items: center; gap: 10px; padding: 6px 14px 12px; }
.topbar .tb-title { flex: 1; min-width: 0; }
.topbar .tb-title strong { display: block; font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.topbar .tb-title span { display: block; font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); margin-top: 2px; }
.icon-btn { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; color: var(--muted); background: var(--surface); border: 1px solid var(--border-soft); flex: none; }
.sync-dot { width: 8px; height: 8px; border-radius: 99px; background: var(--faint); display: inline-block; margin-right: 6px; vertical-align: middle; }
.sync-dot.on { background: var(--good); }

/* hero */
.hero { padding: 2px 18px 14px; }
.hero .eyebrow { font-family: var(--font-mono); font-size: 13px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); margin: 0; }
.hero h1 { margin: 8px 0 6px; font-family: var(--font-display); font-size: 27px; line-height: 1.14; font-weight: 700; letter-spacing: -.03em; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }

.streak { margin: 4px 18px 12px; display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r-tile); background: linear-gradient(120deg, rgba(236,90,148,.14), rgba(139,139,240,.10)), var(--surface); border: 1px solid rgba(236,90,148,.22); }
.streak .flame { width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; background: rgba(236,90,148,.16); color: var(--accent); flex: none; }
.streak .st-count { font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.streak .st-sub { font-size: 13.5px; color: var(--muted); margin-top: 1px; }

.ribbon { margin: 0 18px 14px; padding: 14px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); }
.ribbon .rb-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.ribbon .lv { font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: -.02em; }
.ribbon .lv span { color: var(--accent); }
.ribbon .xp { font-family: var(--font-mono); font-size: 14.5px; color: var(--muted); }
.bar { height: 8px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 10px; }
.bar > i { display: block; height: 100%; border-radius: 999px; background: var(--accent); transition: width .35s var(--ease); }
.bar.alt > i { background: var(--accent2); }
.ribbon .rb-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 9px; font-size: 14.5px; color: var(--muted); }

.cta { display: flex; align-items: center; gap: 12px; width: calc(100% - 36px); margin: 0 18px 18px; padding: 15px 16px; border-radius: var(--r-card); text-align: left; background: var(--accent); color: #2a0a18; box-shadow: 0 16px 34px -18px rgba(236,90,148,.85); transition: transform .18s var(--ease); }
.cta .cta-ic { width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; background: rgba(42,10,24,.16); flex: none; }
.cta .cta-txt { flex: 1; min-width: 0; }
.cta .cta-txt b { display: block; font-family: var(--font-display); font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.cta .cta-txt span { display: block; font-size: 13.5px; opacity: .78; margin-top: 2px; }
.cta:active { transform: scale(.985); }
.cta:disabled { opacity: .55; }

.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 6px 18px 10px; }
.sec-head h2 { margin: 0; font-family: var(--font-display); font-size: 15px; font-weight: 700; letter-spacing: -.01em; }
.sec-head a { font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); text-decoration: none; }

.tiles { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; padding: 0 18px; }
.tile { display: grid; gap: 8px; text-align: left; padding: 13px; border-radius: var(--r-tile); background: var(--surface); border: 1px solid var(--border-soft); color: var(--text); text-decoration: none; min-width: 0; }
.tile:active { transform: scale(.985); }
.glyph { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.tile .nm { font-family: var(--font-display); font-size: 15px; font-weight: 600; letter-spacing: -.01em; line-height: 1.25; }
.tile .mt { display: block; font-size: 13.5px; color: var(--muted); margin-top: 3px; }
.tile .due { display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; font-family: var(--font-mono); font-size: 13px; letter-spacing: .06em; text-transform: uppercase; }
.tile .due.hot { color: var(--accent); }
.tile .due.ok { color: var(--faint); }

/* ---------- study ---------- */
.study { position: relative; display: flex; flex-direction: column; height: 100%; min-height: 0; padding: 4px 14px 10px; gap: 10px; }
.study-head { display: flex; align-items: center; gap: 10px; }
.progress { flex: 1; min-width: 0; }
.progress .pg-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; font-family: var(--font-mono); font-size: 13.5px; color: var(--muted); }
.progress .pg-top b { color: var(--accent); }
.fcard { flex: 1; min-height: 0; display: grid; grid-template-rows: minmax(0,1fr) auto auto; gap: 10px; perspective: 1400px; }
.fcard-stage { position: relative; min-height: 300px; cursor: pointer; }
.fcard-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .42s var(--ease); }
.fcard.flipped .fcard-inner { transform: rotateY(180deg); }
.face { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; gap: 12px; padding: 16px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); overflow: hidden; }
.face-labels { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.face .tag { font-family: var(--font-mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.flip-hint { font-family: var(--font-mono); font-size: 13px; letter-spacing: .08em; color: var(--accent2); display: inline-flex; align-items: center; gap: 5px; padding: 6px 0; }
.face-body { flex: 1; min-height: 0; display: flex; flex-direction: column; justify-content: center; gap: 14px; overflow-y: auto; }
.face .big-en { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; font-size: clamp(22px, 7.4vw, 30px); line-height: 1.24; color: var(--accent); margin: 0; }
.face .big-pt { font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; font-size: clamp(22px, 7.4vw, 30px); line-height: 1.24; color: var(--text); margin: 0; }
.face .small-q { font-size: 15px; font-weight: 500; line-height: 1.5; color: var(--faint); margin: 0; }
.face.back { transform: rotateY(180deg); }
.theme-tag { align-self: flex-start; display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; }

.audiobar { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border-soft); }
.speed { flex: none; min-width: 52px; height: 36px; padding: 0 10px; border-radius: var(--r-pill); background: rgba(255,255,255,.06); border: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; color: var(--text); }
.wave { flex: 1 1 0; min-width: 0; display: flex; align-items: center; gap: 2px; height: 26px; color: var(--muted); }
.wave i { flex: 1 1 0; min-width: 2px; height: 100%; border-radius: 2px; background: currentColor; transform: scaleY(var(--h, .3)); transform-origin: center; }
.wave.playing { color: var(--accent2); }
.wave.playing i { animation: wavePulse .9s ease-in-out infinite; animation-delay: var(--d, 0s); }
@keyframes wavePulse { 0%,100% { transform: scaleY(calc(var(--h) * .4)); } 50% { transform: scaleY(var(--h)); } }
.audio-btn { flex: none; width: 42px; height: 42px; border-radius: 999px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid var(--border-soft); color: var(--text); }
.audio-btn.play { background: var(--accent); color: #2a0a18; border-color: transparent; }
.voice-note { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }

.ratings { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 6px; padding: 4px 0 2px; transition: opacity .2s var(--ease); }
.ratings.locked { opacity: .38; }
.rate { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 6px 2px; border-radius: 16px; min-height: 70px; justify-content: center; }
.rate .disc { width: 52px; height: 52px; border-radius: 999px; display: grid; place-items: center; border: 1.5px solid currentColor; transition: transform .16s var(--ease); }
.rate .rl { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-align: center; line-height: 1.2; }
.rate .ri { font-family: var(--font-mono); font-size: 12.5px; color: var(--faint); }
.rate[data-r="easy"] { color: var(--good); }
.rate[data-r="good"] { color: var(--accent2); }
.rate[data-r="hard"] { color: var(--warn); }
.rate[data-r="again"] { color: var(--bad); }
.rate:not(:disabled):active .disc { transform: scale(.92); }
.hintline { text-align: center; font-size: 14.5px; color: var(--faint); margin: 0; padding-bottom: 2px; }

.center-state { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 12px; padding: 30px 26px; }
.center-state .big { width: 76px; height: 76px; border-radius: 26px; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--border-soft); color: var(--accent); }
.center-state h2 { margin: 4px 0 0; font-family: var(--font-display); font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.center-state p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; max-width: 30ch; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border-radius: var(--r-pill); font-family: var(--font-display); font-weight: 600; font-size: 15px; text-decoration: none; }
.btn.primary { background: var(--accent); color: #2a0a18; }
.btn.ghost { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }
.btn.soft { background: rgba(139,139,240,.16); color: #c4c4fb; border: 1px solid rgba(139,139,240,.3); }
.btn:disabled { opacity: .5; }
.stat-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; width: 100%; margin-top: 6px; }
.stat-row .box { padding: 12px 10px; border-radius: 16px; background: var(--surface-2); border: 1px solid var(--border-soft); }
.stat-row .box b { display: block; font-family: var(--font-display); font-size: 18px; font-weight: 700; }
.stat-row .box span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 3px; }

/* ---------- tabs ---------- */
.tabbar { position: absolute; left: 0; right: 0; bottom: 0; z-index: 30; display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); align-items: end; padding: 9px 8px calc(var(--safe-bottom) + 6px); background: linear-gradient(to top, rgba(14,13,12,.99) 62%, rgba(14,13,12,.92) 84%, rgba(14,13,12,0)); border-top: 1px solid var(--border-soft); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
.tab { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 4px 2px; color: var(--faint); text-decoration: none; font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; min-height: 44px; }
.tab[aria-current="page"] { color: var(--accent); }
.tab-fab { justify-content: flex-end; }
.tab-fab .fab { width: 60px; height: 60px; margin-top: -29px; border-radius: 999px; display: grid; place-items: center; background: var(--accent); color: #2a0a18; box-shadow: 0 14px 30px -12px rgba(236,90,148,.9), inset 0 0 0 4px var(--ground); }

/* ---------- forms ---------- */
.form { padding: 2px 18px 24px; display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label, .field .lbl { font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.field textarea, .field input[type="text"], .field select { width: 100%; padding: 13px 14px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-family: var(--font-body); font-size: 16px; line-height: 1.5; resize: vertical; }
.field textarea { min-height: 80px; }
.field textarea:focus, .field input:focus, .field select:focus { outline: none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(139,139,240,.18); }
.field .help { font-size: 14.5px; color: var(--faint); line-height: 1.5; }
.form-err { font-size: 14px; color: var(--bad); margin: 0; }
.suggest { padding: 14px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); }
.suggest .sg-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.suggest .sg-head b { font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.suggest .sg-conf { font-family: var(--font-mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.suggest .sg-body { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.suggest .sg-name { font-size: 15px; font-weight: 600; }
.suggest .sg-why { font-size: 14.5px; color: var(--muted); margin-top: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.chip { padding: 4px 9px; border-radius: var(--r-pill); background: rgba(255,255,255,.06); border: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.ai-row { display: flex; gap: 8px; align-items: center; }
.ai-status { font-size: 13.5px; color: var(--muted); }

/* ---------- lists ---------- */
.filter { display: flex; gap: 8px; padding: 0 18px 12px; }
.search-wrap { padding: 0 18px 10px; }
.search-wrap input { width: 100%; padding: 12px 14px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-family: var(--font-body); font-size: 16px; }
.search-wrap input:focus { outline: none; border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(139,139,240,.18); }
.search-label { padding: 6px 2px 2px; font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pill { padding: 8px 13px; border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pill[aria-pressed="true"] { background: rgba(236,90,148,.16); border-color: rgba(236,90,148,.4); color: var(--accent); }
.list { display: flex; flex-direction: column; gap: 10px; padding: 0 18px; }
.row { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: var(--r-tile); background: var(--surface); border: 1px solid var(--border-soft); text-decoration: none; color: inherit; min-width: 0; }
.row .glyph { width: 52px; height: 52px; border-radius: 14px; }
.row-body { flex: 1; min-width: 0; display: block; }
.row-body b { display: block; font-family: var(--font-display); font-size: 15.5px; font-weight: 600; letter-spacing: -.01em; }
.row-meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; font-size: 14.5px; color: var(--muted); min-width: 0; }
.chev { color: var(--faint); flex: none; }
.mini-bar { display: block; margin-top: 8px; height: 5px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.mini-bar > i { display: block; height: 100%; border-radius: 999px; }

.linkrow { display: flex; align-items: center; gap: 11px; margin: 0 18px 18px; padding: 12px 14px; border-radius: var(--r-tile); background: var(--surface); border: 1px solid var(--border-soft); color: inherit; text-decoration: none; }
.linkrow .lr-ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: rgba(139,139,240,.16); color: var(--accent2); flex: none; }
.linkrow b { display: block; font-family: var(--font-display); font-size: 15px; font-weight: 600; }
.linkrow .od-fill > span { display: block; font-size: 14.5px; color: var(--muted); margin-top: 2px; }

.sumcard { margin: 4px 18px 14px; padding: 14px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); display: flex; align-items: center; gap: 12px; }
.sumcard .sc-ic { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: rgba(139,139,240,.16); color: var(--accent2); flex: none; }
.sumcard b { display: block; font-family: var(--font-display); font-size: 16px; font-weight: 700; }
.sumcard .od-fill > span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 3px; }

.opt { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; }
.opt + .opt { border-top: 1px solid var(--border-soft); }
.opt .lb { font-size: 15px; min-width: 0; }
.opt .lb small { display: block; color: var(--muted); font-size: 14.5px; margin-top: 2px; }
.time-input { padding: 9px 11px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-family: var(--font-mono); font-size: 15px; }

.agenda-pad { padding: 0 18px; }
.daygroup { margin-bottom: 16px; }
.day-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 0 2px 8px; }
.dh-title { font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.dh-count { font-family: var(--font-mono); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.arow { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 16px; background: var(--surface); border: 1px solid var(--border-soft); }
.arow + .arow { margin-top: 8px; }
.arow .glyph { width: 40px; height: 40px; border-radius: 11px; }
.arow-body { flex: 1; min-width: 0; display: block; color: inherit; text-decoration: none; }
.arow-body .en { display: block; font-size: 14.5px; font-weight: 600; }
.arow-meta { display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.timebadge { flex: none; padding: 4px 9px; border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; background: rgba(255,255,255,.06); color: var(--muted); border: 1px solid var(--border-soft); }
.timebadge.late { color: var(--bad); background: rgba(240,128,128,.14); border-color: rgba(240,128,128,.32); }
.timebadge.today { color: var(--accent); background: rgba(236,90,148,.15); border-color: rgba(236,90,148,.34); }
.timebadge.soon { color: var(--warn); background: rgba(240,180,107,.14); border-color: rgba(240,180,107,.3); }

/* stats / profile */
.profile-card { margin: 6px 18px 14px; padding: 16px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); display: flex; align-items: center; gap: 14px; }
.avatar { width: 58px; height: 58px; border-radius: 20px; display: grid; place-items: center; background: linear-gradient(150deg, rgba(236,90,148,.28), rgba(139,139,240,.24)); border: 1px solid rgba(255,255,255,.12); font-family: var(--font-display); font-size: 20px; font-weight: 700; flex: none; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.pc-body { flex: 1; min-width: 0; }
.pc-body b { display: block; font-family: var(--font-display); font-size: 17px; font-weight: 700; letter-spacing: -.02em; }
.pc-body span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 3px; }
.panel { margin: 0 18px 14px; padding: 16px; border-radius: var(--r-card); background: var(--surface); border: 1px solid var(--border-soft); }
.panel h3 { margin: 0 0 12px; font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.panel p.note { margin: 0 0 14px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.kpis { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
.kpi { padding: 13px; border-radius: 16px; background: var(--surface-2); border: 1px solid var(--border-soft); }
.kpi b { display: block; font-family: var(--font-display); font-size: 22px; font-weight: 700; }
.kpi span { display: block; font-size: 13.5px; color: var(--muted); margin-top: 3px; }
.chart { display: flex; align-items: flex-end; gap: 7px; height: 118px; margin-top: 6px; }
.chart .col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.chart .col .v { font-family: var(--font-mono); font-size: 12.5px; color: var(--muted); }
.chart .col .barv { width: 100%; border-radius: 8px 8px 4px 4px; background: rgba(139,139,240,.35); min-height: 5px; }
.chart .col.today .barv { background: var(--accent); }
.chart .col .dl { font-family: var(--font-mono); font-size: 12.5px; color: var(--faint); text-transform: uppercase; }
.seg { display: inline-flex; padding: 3px; border-radius: var(--r-pill); background: var(--surface-2); border: 1px solid var(--border-soft); flex: none; }
.seg button { padding: 7px 9px; border-radius: var(--r-pill); font-family: var(--font-mono); font-size: 13.5px; color: var(--muted); }
.seg button[aria-pressed="true"] { background: var(--accent); color: #2a0a18; }
.switch { width: 46px; height: 27px; border-radius: 999px; background: var(--surface-3); border: 1px solid var(--border-soft); position: relative; flex: none; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 21px; height: 21px; border-radius: 999px; background: var(--muted); transition: transform .2s var(--ease); }
.switch[aria-checked="true"] { background: rgba(236,90,148,.35); }
.switch[aria-checked="true"]::after { transform: translateX(19px); background: var(--accent); }

/* sheet */
.scrim { position: absolute; inset: 0; z-index: 50; background: rgba(5,4,6,.62); opacity: 0; transition: opacity .22s var(--ease); }
.scrim.show { opacity: 1; }
.sheet { position: absolute; left: 0; right: 0; bottom: 0; z-index: 51; max-height: 82%; overflow-y: auto; padding: 8px 18px calc(var(--safe-bottom) + 18px); border-radius: 26px 26px 0 0; background: var(--surface-2); border-top: 1px solid rgba(255,255,255,.1); transform: translateY(101%); transition: transform .28s var(--ease); }
.sheet.show { transform: translateY(0); }
.sheet .grip { width: 40px; height: 4px; border-radius: 999px; background: rgba(255,255,255,.2); margin: 6px auto 14px; }
.sheet h3 { margin: 0 0 8px; font-family: var(--font-display); font-size: 16px; font-weight: 700; }
.sheet .actions { display: flex; flex-direction: column; gap: 9px; margin-top: 16px; }
.sheet select { max-width: 160px; padding: 9px 10px; border-radius: 12px; background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: 15px; }

.toast { position: absolute; z-index: 60; left: 50%; bottom: calc(var(--safe-bottom) + 96px); transform: translate(-50%, 14px); opacity: 0; pointer-events: none; display: flex; align-items: center; gap: 9px; max-width: 88%; padding: 11px 15px; border-radius: var(--r-pill); background: #efe9f2; color: #16131a; font-size: 14.5px; font-weight: 600; transition: opacity .22s var(--ease), transform .22s var(--ease); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast svg { width: 21px; height: 21px; flex: none; }

/* áreas de toque confortáveis para o dedo (mín. 44px) */
.pill { min-height: 44px; display: inline-flex; align-items: center; }
.seg button { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; }
.icon-btn { width: 44px; height: 44px; }
.sec-head a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 4px 0; margin: -15px -4px; }
.audio-btn { width: 44px; height: 44px; }
.flip-hint { white-space: nowrap; min-height: 44px; margin: -9px 0; }
/* celular estreito: os botões descem para baixo do rótulo em vez de cobrir o texto */
.opt { flex-wrap: wrap; } .opt .lb { flex: 1 1 80px; } .opt > .seg, .opt > .switch, .opt > select { margin-left: auto; }
/* interruptor e velocidade mantêm o desenho, mas a área de toque cresce para 44px */
.switch::before { content: ""; position: absolute; inset: -9px -4px; z-index: 1; }
.speed { height: 44px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}

/* ---------- curso: English by the Nature Method ---------- */
.tabbar .tab svg.ic { width: 26px; height: 26px; }
svg.ic.flip-x { transform: scaleX(-1); }
.c-hero { margin: 2px 18px 14px; padding: 16px; border-radius: var(--r-card); background: linear-gradient(150deg, rgba(139,139,240,.16), rgba(111,195,232,.08) 60%), var(--surface); border: 1px solid rgba(139,139,240,.24); }
.c-hero-top { display: flex; align-items: center; gap: 12px; }
.c-hero .eyebrow { font-family: var(--font-mono); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 0; }
.c-hero h1 { margin: 4px 0 0; font-family: var(--font-display); font-size: 22px; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; text-wrap: balance; }
.c-hero h1 em { font-style: normal; color: #c4c4fb; }
.c-hero > p { margin: 12px 0 0; color: var(--muted); font-size: 14.5px; line-height: 1.55; }
.c-hero .bar > i { background: #8b8bf0; }
.c-hero-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 8px; font-family: var(--font-mono); font-size: 13.5px; color: var(--faint); letter-spacing: .04em; }
.c-how ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.c-how li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.5; color: var(--muted); }
.c-how li b { color: var(--text); font-weight: 600; }
.c-how-ic { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: rgba(255,255,255,.05); color: var(--accent2); flex: none; }
.c-ph-count { font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.c-list { margin-bottom: 14px; }
.c-num { font-family: var(--font-display); font-weight: 700; font-size: 15px; }
.c-ch.soon { opacity: .45; }
.c-ch.later .row-body b { color: var(--muted); }
.c-badge { width: 30px; height: 30px; border-radius: 99px; display: grid; place-items: center; color: var(--faint); background: rgba(255,255,255,.04); flex: none; }
.c-badge.ok { color: var(--good); background: rgba(125,211,168,.14); }

.c-steps { display: flex; gap: 6px; overflow-x: auto; padding: 0 18px 12px; scrollbar-width: none; }
.c-steps::-webkit-scrollbar { display: none; }
.c-step { flex: none; display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--border-soft); font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); min-height: 36px; }
.c-step svg.ic { width: 17px; height: 17px; }
.c-step.ok { color: var(--good); }
.c-step[aria-selected="true"] { background: rgba(236,90,148,.16); border-color: rgba(236,90,148,.45); color: var(--accent); }
.c-hint { margin: 0 18px 12px; font-size: 14px; line-height: 1.55; color: var(--muted); }
.c-note { margin: 0 18px 10px; padding: 10px 12px; border-radius: 14px; background: rgba(139,139,240,.10); border: 1px solid rgba(139,139,240,.22); font-size: 13.5px; line-height: 1.5; color: #c4c4fb; }
.c-note.warn { background: rgba(240,180,107,.10); border-color: rgba(240,180,107,.25); color: var(--warn); }
.c-foot { padding: 6px 18px 4px; display: flex; }
.c-foot .btn { width: 100%; }

.c-player { margin: 0 18px 14px; padding: 16px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); }
.c-track-head .eyebrow { display: block; font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.c-track-head b { display: block; margin-top: 4px; font-family: var(--font-display); font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.c-text { position: relative; margin-top: 12px; max-height: 38vh; overflow-y: auto; padding: 4px 2px 8px; font-size: 16.5px; line-height: 1.75; color: var(--muted); scrollbar-width: thin; }
.c-text .s { border-radius: 6px; padding: 1px 2px; cursor: pointer; transition: background .2s, color .2s; }
.c-text .s.ttl { display: block; font-family: var(--font-display); font-weight: 700; color: var(--text); }
.c-text .s.q { display: block; margin-top: 8px; color: var(--text); font-weight: 600; }
.c-text .s.q + .s { display: block; }
.c-text .s.on { background: rgba(139,139,240,.22); color: var(--text); }
.c-prog { margin-top: 12px; }
.c-prog > i { background: #8b8bf0; transition: none; }
.c-time { display: flex; justify-content: space-between; margin-top: 6px; font-family: var(--font-mono); font-size: 13.5px; color: var(--faint); font-variant-numeric: tabular-nums; }
.c-controls { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 10px 18px 6px; }
.c-player .c-controls { padding: 12px 0 0; }
.audio-btn.big { width: 60px; height: 60px; }
.audio-btn.sm { width: 34px; height: 34px; }
.c-tip { margin: 10px 0 0; text-align: center; font-size: 13.5px; color: var(--faint); }
.c-trk { width: 100%; text-align: left; }
.c-trk.cur { border-color: rgba(139,139,240,.45); }
.c-tn { font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; }

.c-card { margin: 0 18px 4px; padding: 18px 16px 16px; border-radius: var(--r-card); background: var(--surface-2); border: 1px solid var(--border-soft); display: flex; flex-direction: column; gap: 12px; min-height: 210px; }
.c-count { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.c-sent { margin: 0; flex: 1; display: flex; align-items: center; font-family: var(--font-display); font-size: 24px; line-height: 1.3; font-weight: 600; letter-spacing: -.02em; text-wrap: balance; }
.c-answer { font-size: 17px; line-height: 1.45; color: var(--good); font-weight: 600; }
.c-answer.hidden-a { color: var(--faint); font-weight: 400; font-size: 14.5px; }
.c-turn { position: relative; overflow: hidden; padding: 9px 12px; border-radius: 12px; background: rgba(236,90,148,.12); color: var(--accent); font-size: 14px; font-weight: 600; }
.c-turn i { position: absolute; left: 0; bottom: 0; height: 3px; width: 0; background: var(--accent); }
.c-opt { margin-top: 10px; padding: 4px 16px; }

.c-word { width: 100%; text-align: left; padding: 12px 14px; }
.c-word .row-body b { font-size: 15px; }
.c-cards-link { margin-top: 14px; }

.c-ex { font-size: 16px; }
.c-gap { margin: 0 0 12px; line-height: 2.25; color: var(--muted); }
.c-gap:last-child { margin-bottom: 0; }
.c-gap-h { margin: 6px 0 8px; font-family: var(--font-mono); font-size: 13.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); font-weight: 600; }
.c-gap-h:first-child { margin-top: 0; }
.c-gap-wrap { display: inline-flex; flex-direction: column; vertical-align: bottom; }
.c-gap-in { min-width: 3ch; max-width: 100%; padding: 1px 4px; border: 0; border-bottom: 2px solid var(--border); border-radius: 4px 4px 0 0; background: rgba(255,255,255,.04); color: var(--text); font: 600 16px/1.4 var(--font-body); text-align: center; }
.c-gap-in:focus { outline: none; border-bottom-color: var(--accent2); background: rgba(139,139,240,.10); }
.c-gap-in.ok { border-bottom-color: var(--good); color: var(--good); }
.c-gap-in.bad { border-bottom-color: var(--bad); color: var(--bad); }
.c-exp { font-family: var(--font-mono); font-size: 13.5px; line-height: 1.2; color: var(--good); text-align: center; }
.c-ex-ctrl .btn { flex: 1; }
.c-score { margin: 4px 18px 0; text-align: center; font-family: var(--font-mono); font-size: 13.5px; color: var(--faint); }
a.cta { text-decoration: none; color: #2a0a18; }

/* ---------- pronúncia (IPA) e quadro fonético ---------- */
:root { --font-ipa: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Inter", system-ui, sans-serif; }
.ipa-line { margin: 10px 0 0; font-family: var(--font-ipa); font-size: 15px; color: #c4c4fb; letter-spacing: .01em; }
.ipa-tg { font-family: var(--font-ipa); min-width: 46px; }
.ipa-tg[aria-pressed="true"] { background: rgba(139,139,240,.18); border-color: rgba(139,139,240,.4); color: #c4c4fb; }
.c-sent-wrap { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 8px; }
.c-sent-wrap .c-sent { flex: none; }
.c-ipa { margin: 0; font-family: var(--font-ipa); font-size: 15.5px; line-height: 1.45; color: #c4c4fb; }
.c-ipa.sm { margin-top: 6px; font-size: 15px; color: rgba(125,211,168,.8); font-weight: 400; }
.c-text.with-ipa .s { display: block; margin: 0 0 8px; }
.c-text.with-ipa .s .tx { display: block; }
.c-text.with-ipa .s .ip { display: block; font-family: var(--font-ipa); font-size: 15px; line-height: 1.4; color: rgba(196,196,251,.75); }
.c-text.with-ipa .s.on .ip { color: #c4c4fb; }
.c-text .s.q + .s { display: block; }
.c-w-ipa { display: block; margin-top: 2px; font-family: var(--font-ipa); font-size: 14.5px; color: #c4c4fb; }
.c-tip a { color: var(--accent2); }
.c-phon-filter { overflow-x: auto; scrollbar-width: none; }
.c-phon-filter::-webkit-scrollbar { display: none; }
.c-phon-filter .pill { flex: none; }
.c-sound { padding: 14px; border-radius: var(--r-tile); background: var(--surface); border: 1px solid var(--border-soft); }
.c-sound.hard { border-color: rgba(240,180,107,.28); }
.c-sound-top { display: flex; gap: 12px; align-items: flex-start; }
.c-sym { flex: none; min-width: 64px; height: 56px; padding: 0 10px; border-radius: 16px; background: rgba(139,139,240,.16); color: #d6d6fd; font-family: var(--font-ipa); font-size: 24px; font-weight: 600; }
.c-sym:active { transform: scale(.96); }
.c-sound-pt { margin: 0; font-size: 15px; line-height: 1.5; color: var(--text); }
.c-hard { display: inline-block; margin-top: 6px; padding: 2px 8px; border-radius: 99px; background: rgba(240,180,107,.14); color: var(--warn); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; }
.c-sound-tip { margin: 10px 0 0; padding: 9px 11px; border-radius: 12px; background: rgba(255,255,255,.04); font-size: 14px; line-height: 1.5; color: var(--muted); }
.c-exs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.c-ex-btn { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; padding: 7px 11px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border-soft); text-align: left; }
.c-ex-btn b { font-family: var(--font-display); font-size: 15px; font-weight: 600; }
.c-ex-btn span { font-family: var(--font-ipa); font-size: 13.5px; color: #c4c4fb; }
.c-ex-btn:active { background: rgba(139,139,240,.18); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }