:root {
  --navy: #15213b;
  --gold: #d4a531;
  --red: #b32134;
  --bg: #faf7f0;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #6b7280;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 1.25rem; }
a { color: var(--red); }
.hero { text-align: center; padding: 2rem 0 1rem; }
.hero.small { padding: 1.25rem 0 0.5rem; }
.hero h1 { font-size: 2.2rem; margin: 0; }
.tag { color: var(--muted); font-size: 1.1rem; }
.card {
  background: var(--card); border: 1px solid #ece6d7; border-radius: 14px;
  padding: 1.5rem; margin: 1rem 0; box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.benefits { padding-left: 1.1rem; }
.benefits li { margin: .4rem 0; }
.price { font-size: 1.6rem; font-weight: 700; color: var(--navy); margin: 1rem 0 .5rem; }
.btn-primary {
  background: var(--red); color: #fff; border: 0; border-radius: 10px;
  padding: .9rem 1.6rem; font-size: 1.05rem; font-weight: 600; cursor: pointer; width: 100%;
}
.btn-secondary {
  background: var(--navy); color: #fff; border: 0; border-radius: 10px;
  padding: .7rem 1.2rem; font-weight: 600; cursor: pointer;
}
.btn-primary:hover, .btn-secondary:hover { opacity: .92; }
.lead { display: flex; gap: .5rem; flex-wrap: wrap; }
.lead input { flex: 1; min-width: 200px; padding: .7rem; border: 1px solid #ccc; border-radius: 8px; font-size: 1rem; }
.msg { color: var(--muted); }
.hidden { display: none; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .75rem; margin-top: 1rem; }
.lesson-tile {
  background: var(--card); border: 1px solid #ece6d7; border-radius: 12px; padding: 1rem;
  text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: .35rem; position: relative;
}
.lesson-tile .num { font-size: .8rem; color: var(--muted); }
.lesson-tile .ttl { font-weight: 600; }
.lesson-tile .badge { position: absolute; top: .6rem; right: .7rem; }
.lesson-tile.locked { opacity: .6; }
.lesson-tile.done { border-color: var(--gold); }

.line { display: flex; gap: .75rem; padding: .6rem 0; border-bottom: 1px solid #f0ece0; }
.spk { font-weight: 700; color: var(--red); }
.km { font-size: 1.3rem; }
.rom { color: var(--navy); font-style: italic; }
.en { color: var(--muted); }
.audio { background: none; border: 0; cursor: pointer; font-size: 1rem; }

.vocab { width: 100%; border-collapse: collapse; }
.vocab td { padding: .5rem .4rem; border-bottom: 1px solid #f0ece0; vertical-align: top; }
.vocab .pos { color: var(--muted); font-size: .85rem; }