.sat-context,
.sat-part {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sat-context { padding: 1.3rem 1.35rem 1.15rem; }

.sat-progress { margin-top: 1rem; }

.sat-progress-meta {
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--muted);
}

.sat-progress-track {
  height: 0.55rem;
  border-radius: 999px;
  background: #efe7db;
  overflow: hidden;
}

.sat-progress-track > span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: var(--green);
}

.sat-part { margin-top: 1rem; padding: 1.2rem 1.25rem 1.3rem; }
.sat-part h2 { font-size: 1.35rem; }

.instruction {
  margin: 0.45rem 0 0.2rem;
  color: var(--muted);
}

.stopwatch {
  margin: 0.4rem 0 0.9rem;
  text-align: center;
  font-family: var(--mono);
  font-size: clamp(3rem, 12vw, 5.4rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.sat-action {
  width: 100%;
  min-height: 3.5rem;
  border-radius: 14px;
  background: var(--terra);
  font-size: 1.12rem;
  letter-spacing: 0.04em;
}

.sat-action.is-stop {
  min-height: 4.6rem;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
}

.bench {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  background: var(--green-soft);
}

.bench h3 { margin: 0; }
.bench p { margin: 0.25rem 0 0; color: var(--muted); }

.next-link { margin: 1rem 0 0; }