:root {
  --bg: #0a0a0a;
  --card: #141414;
  --red: #e10600;
  --red-dim: #ff4d4d;
  --silver: #c0c0c0;
  --muted: #8a8a8a;
  --green: #089981;
  --text: #f5f5f5;
  --radius: 14px;
  --nav-h: 68px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.45;
}
body { padding-bottom: calc(var(--nav-h) + env(safe-area-inset-bottom)); }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 16px 8px;
  border-bottom: 1px solid #222;
  background: linear-gradient(180deg, #111, var(--bg));
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--red), #8b0000);
  display: grid; place-items: center;
  font-weight: 900; font-style: italic; color: #fff;
  box-shadow: 0 0 0 2px var(--silver);
}
.top h1 { margin: 0; font-size: 1rem; letter-spacing: 0.04em; }
.top p { margin: 2px 0 0; color: var(--muted); font-size: 0.78rem; }
.lang-btn {
  background: #222; color: var(--silver); border: 1px solid #333;
  border-radius: 999px; padding: 8px 12px; font-weight: 700;
}

main { padding: 12px 12px 0; }
.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--card);
  border: 1px solid #252525;
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.card h2, .card h3 { margin: 0 0 8px; color: var(--silver); }
.muted { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; }

.hero h2 { color: #fff; font-size: 1.35rem; }
.btn {
  display: inline-block; text-decoration: none; border: none; cursor: pointer;
  border-radius: 10px; padding: 12px 16px; font-weight: 700; font-size: 0.95rem;
}
.btn.primary { background: var(--red); color: #fff; width: 100%; text-align: center; margin-top: 8px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips.scroll { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; }
.chips button {
  background: #1f1f1f; color: var(--text); border: 1px solid #333;
  border-radius: 999px; padding: 8px 14px; white-space: nowrap;
}
.chips button.active { border-color: var(--red); color: #fff; background: #2a1010; }

.day-block { margin-bottom: 14px; }
.day-block h4 { margin: 0 0 8px; color: var(--red-dim); font-size: 0.95rem; }
.slot-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid #222; font-size: 0.92rem;
}
.slot-row .open { color: var(--green); font-weight: 700; }
.slot-row .booked { color: var(--muted); }

.price-item {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid #222;
}
.price-item strong { color: #fff; font-size: 1.1rem; }
.price-item span { color: var(--red-dim); font-weight: 800; font-size: 1.2rem; }

.exercise-item { padding: 12px 0; border-bottom: 1px solid #222; }
.exercise-item h4 { margin: 0 0 6px; }
.exercise-item .links { display: flex; gap: 8px; flex-wrap: wrap; }
.exercise-item a {
  color: #fff; background: #222; padding: 6px 10px; border-radius: 8px;
  text-decoration: none; font-size: 0.85rem; border: 1px solid #333;
}
.exercise-item a.yt { border-color: #cc0000; }

form label { display: block; margin-bottom: 10px; }
form span { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
form input, form select {
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid #333; background: #0f0f0f; color: #fff;
}
.msg { margin-top: 10px; padding: 10px; border-radius: 8px; }
.msg.ok { background: #0f2a22; color: var(--green); }
.msg.err { background: #2a1010; color: var(--red-dim); }

.bottom-nav {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: var(--nav-h);
  padding-bottom: env(safe-area-inset-bottom);
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #111; border-top: 1px solid #222;
}
.bottom-nav .nav {
  background: none; border: none; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
}
.bottom-nav .nav.active { color: var(--red-dim); }
.bottom-nav span { font-size: 1.1rem; }
.bottom-nav small { font-size: 0.68rem; }

.week-label { font-weight: 700; margin-bottom: 10px; color: var(--silver); }