/* English Coach: pensato prima per il telefono. Una cosa per schermata, testo grande, colori fissi per le forme dei verbi. */
:root {
  --bg: #eef3f1;
  --card: #ffffff;
  --ink: #15302b;
  --muted: #5b6f6a;
  --line: #d3dfdb;
  --brand: #0f7a63;
  --brand-soft: #dff1eb;
  --base: #15302b;
  --past: #0f7a63;
  --part: #c9531c;
  --sun: #ffd44d;
  --sky: #d4ebf6;
  --ok: #1e8a50;
  --ok-bg: #e5f5ec;
  --ko: #c9531c;
  --ko-bg: #fcebe2;
  --gold: #e0a800;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1917; --card: #172623; --ink: #e6efec; --muted: #9fb3ad; --line: #2b3e39;
    --brand: #46c9a6; --brand-soft: #173a31; --base: #e6efec; --past: #4fd1b0; --part: #ff9a66;
    --sun: #c9a227; --sky: #1d3846; --ok: #6fd69b; --ok-bg: #163322; --ko: #ff9a66; --ko-bg: #3a2219; --gold: #f0c43a;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1917; --card: #172623; --ink: #e6efec; --muted: #9fb3ad; --line: #2b3e39;
  --brand: #46c9a6; --brand-soft: #173a31; --base: #e6efec; --past: #4fd1b0; --part: #ff9a66;
  --sun: #c9a227; --sky: #1d3846; --ok: #6fd69b; --ok-bg: #163322; --ko: #ff9a66; --ko-bg: #3a2219; --gold: #f0c43a;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 18px/1.5 var(--font-body);
  padding-top: env(safe-area-inset-top, 0px);
  -webkit-tap-highlight-color: transparent;
}
.app { min-height: 100vh; }
.screen {
  max-width: 560px; margin: 0 auto;
  padding-inline: 16px; padding-block: 20px 110px;
  display: grid; gap: 16px; align-content: start;
}
h1, h2 { font-family: var(--font-display); margin: 0; line-height: 1.15; text-wrap: balance; }
h1 { font-size: 2rem; font-weight: 800; }
h2 { font-size: 1.5rem; font-weight: 800; }
p { margin: 0; }
b { font-weight: 700; }
.kicker { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); }
.muted { color: var(--muted); }
.big { font: 800 1.5rem var(--font-display); }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 22px;
  padding: 20px; display: grid; gap: 14px;
  box-shadow: 0 8px 24px rgba(20, 50, 44, .07);
}
.btn {
  font: 700 1.1rem var(--font-body); color: var(--card); background: var(--ink);
  border: 0; border-radius: 14px; padding: 16px 18px; cursor: pointer; width: 100%;
}
.btn:disabled { opacity: .35; cursor: default; }
.btn.ghost { background: var(--brand-soft); color: var(--ink); }
.btn:focus-visible, .opt:focus-visible, .chip:focus-visible, .form:focus-visible, .tab:focus-visible, .audio:focus-visible, .play:focus-visible, .vcard:focus-visible {
  outline: 3px solid var(--sun); outline-offset: 2px;
}
.row { display: flex; gap: 10px; }
.row .btn { flex: 1; }

/* Oggi */
.hero .btn { margin-top: 4px; }
.plan { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.plan li { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; }
.plan-ico { font-size: 1.6rem; text-align: center; }
.plan-what { display: grid; min-width: 0; }
.plan-what span { color: var(--muted); font-size: .9rem; }
.plan-min { font-size: .85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.done { border-color: var(--ok); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; display: grid; text-align: center; }
.stat b { font: 800 1.6rem var(--font-display); font-variant-numeric: tabular-nums; }
.stat span { font-size: .8rem; color: var(--muted); }

/* Barra in basso */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--card); border-top: 1px solid var(--line);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
}
.tab { border: 0; background: none; color: var(--muted); font: 700 .8rem var(--font-body); display: grid; justify-items: center; gap: 2px; padding: 6px; border-radius: 12px; cursor: pointer; }
.tab-ico { font-size: 1.4rem; }
.tab.on { color: var(--ink); background: var(--brand-soft); }

/* Sessione */
.session { padding-bottom: 40px; }
.stop { display: grid; grid-template-columns: 40px 1fr auto; gap: 12px; align-items: center; }
.close { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 1rem; cursor: pointer; }
.progress { height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; }
.progress span { display: block; height: 100%; background: var(--brand); border-radius: 99px; transition: width .3s ease; }
.count { font-size: .85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.step-tag { font-size: .8rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--brand); }
.scene { background: var(--sky); border-radius: 16px; aspect-ratio: 16 / 9; max-width: 100%; display: grid; place-items: center; }
.scene span { font-size: 5.5rem; line-height: 1; }
.scene.small { aspect-ratio: auto; padding: 14px; }
.scene.small span { font-size: 3.5rem; }
.scene.word { background: var(--brand-soft); }

.forms { display: flex; flex-wrap: wrap; gap: 8px; }
.form { border: 1px solid var(--line); background: var(--card); color: inherit; border-radius: 14px; padding: 10px 14px; text-align: left; cursor: pointer; display: grid; }
.form b { font: 800 1.8rem/1.05 var(--font-display); }
.form small { font-size: .75rem; color: var(--muted); }
.f-base b { color: var(--base); }
.f-past b { color: var(--past); }
.f-part b { color: var(--part); }
.trick { background: var(--bg); border-radius: 14px; padding: 12px 14px; display: grid; gap: 4px; }
.trick b { font-family: var(--font-display); }

.say { display: grid; gap: 6px; }
.say-out { min-height: 1.3em; font-size: .95rem; }

input {
  font: 700 1.2rem var(--font-body); color: var(--ink); background: var(--card);
  border: 2px solid var(--line); border-radius: 12px; padding: 14px; width: 100%; min-width: 0;
}
input:focus { outline: none; border-color: var(--brand); }
input.ok { border-color: var(--ok); background: var(--ok-bg); }
input.ko { border-color: var(--ko); background: var(--ko-bg); }
.ask { display: grid; gap: 10px; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

.options { display: grid; gap: 10px; }
.options.pics { grid-template-columns: repeat(3, 1fr); }
.options.pics .opt { font-size: 2.6rem; padding: 14px 6px; text-align: center; }
.opt {
  font: 700 1.15rem var(--font-body); color: var(--ink); background: var(--card);
  border: 2px solid var(--line); border-radius: 14px; padding: 14px 16px; text-align: left; cursor: pointer;
}
.opt:disabled { cursor: default; }
.opt.right { border-color: var(--ok); background: var(--ok-bg); }
.opt.wrong { border-color: var(--ko); background: var(--ko-bg); }
.play { justify-self: center; width: 96px; height: 96px; border-radius: 50%; border: 0; background: var(--brand); color: var(--card); font-size: 2.4rem; cursor: pointer; }

.line { min-height: 58px; border: 2px dashed var(--line); border-radius: 14px; padding: 8px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.bank { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 700 1.1rem var(--font-body); color: var(--ink); background: var(--bg); border: 2px solid var(--line); border-radius: 12px; padding: 10px 14px; cursor: pointer; }
.chip.on { background: var(--brand-soft); border-color: var(--brand); }

.fb { border-radius: 16px; padding: 14px 16px; display: grid; gap: 8px; }
.fb.ok { background: var(--ok-bg); }
.fb.ko { background: var(--ko-bg); }
.fb-title { font: 800 1.3rem var(--font-display); }
.fb.ok .fb-title { color: var(--ok); }
.fb.ko .fb-title { color: var(--ko); }

.table-wrap { overflow-x: auto; }
table.rule { border-collapse: collapse; width: 100%; font-size: 1.05rem; }
table.rule th, table.rule td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.rule th { font-weight: 700; }
.tcell-audio { width: 44px; }
.audio { border: 0; background: var(--brand-soft); color: var(--ink); width: 40px; height: 40px; border-radius: 50%; cursor: pointer; font-size: 1.1rem; flex: none; }
.example { display: flex; gap: 12px; align-items: center; background: var(--bg); border-radius: 14px; padding: 12px; }
.example div { display: grid; min-width: 0; }
.wordline { display: flex; gap: 12px; align-items: center; }
.it { font-size: 1.2rem; color: var(--muted); }

/* Collezione */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; }
.vcard {
  aspect-ratio: 3 / 4; border-radius: 14px; border: 2px solid var(--line); background: var(--card); color: var(--ink);
  display: grid; align-content: center; justify-items: center; gap: 2px; padding: 8px; text-align: center; font: inherit; cursor: pointer;
}
.vcard.locked { background: transparent; border-style: dashed; color: var(--muted); cursor: default; font-size: 1.4rem; }
.vcard b { font: 800 1.15rem var(--font-display); }
.vpic { font-size: 1.8rem; }
.vforms { font-size: .75rem; color: var(--muted); }
.vstate { font-size: .65rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.vcard.in-ripasso { border-color: var(--past); }
.vcard.da-rinforzare { border-color: var(--part); }
.vcard.fissato { border-color: var(--gold); background: linear-gradient(160deg, var(--card), var(--brand-soft)); }
.vcard.fissato .vstate { color: var(--gold); font-weight: 700; }
.newcards { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 4px; }
.newcards .vcard { width: 100px; flex: none; }
.stamp { animation: stamp .5s ease-out both; }
@keyframes stamp { 0% { transform: scale(1.3) rotate(-8deg); opacity: 0 } 100% { transform: none; opacity: 1 } }

/* Percorso */
.goals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.goal { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; display: grid; gap: 2px; text-align: center; }
.goal b { font: 800 2rem var(--font-display); color: var(--brand); }
.goal span { font-size: .8rem; }
.weeks { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.week { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; }
.week div { display: grid; min-width: 0; }
.week .muted { font-size: .9rem; }
.wnum { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font: 800 1rem var(--font-display); background: var(--bg); color: var(--muted); }
.week.now { border: 2px solid var(--brand); }
.week.now .wnum { background: var(--brand); color: var(--card); }
.week.done .wnum { background: var(--ok); color: var(--card); }
.week.next { opacity: .75; }
.lessons { margin: 8px 0 0; padding-left: 1.1em; display: grid; gap: 4px; font-size: .95rem; }
.lessons .ok { color: var(--ok); }
.leave { border-color: var(--sun); }

@media (prefers-reduced-motion: reduce) {
  .stamp { animation: none; }
  .progress span { transition: none; }
}