main {
  width: min(680px, 100%);
  padding-top: 8px;
}

h1 {
  margin: 0 0 4px;
  font-size: clamp(1.4rem, 6vw, 2rem);
  letter-spacing: -0.03em;
  font-weight: 1000;
}

p.subtitle {
  margin: 0;
  color: #94a3b8;
  font-size: clamp(0.95rem, 3.5vw, 1.05rem);
}

#graficoBicicleta {
  width: 100%;
  height: auto;
  display: block;
}

.lista {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.treino {
  display: block;
  text-decoration: none;
  color: inherit;
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 24px;
  padding: 20px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.30);
}

.treino:active {
  transform: translateY(1px) scale(0.99);
}

.treino h2 {
  margin: 0 0 12px;
  font-size: clamp(1.2rem, 5vw, 1.5rem);
  font-weight: 1000;
  letter-spacing: -0.02em;
  color: #bef264;
}

.campos {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 14px;
}

.campo strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
  margin-bottom: 2px;
}

.campo span {
  font-size: 1rem;
  font-weight: 800;
}