.session-body {
  min-height: 100dvh;
}

.session {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.75rem 0 2.5rem;
}

.session-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.session-kicker {
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.02em;
  font-size: 0.8rem;
}

.session h1 {
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 7vw, 3.2rem);
  letter-spacing: -0.03em;
}

.session-top .brand-tagline {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
}

.session-top .brand-stack {
  margin-top: 0.35rem;
}

.session-msg {
  margin: 1rem 0 0.35rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.session-timer {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.8rem, 10vw, 4.5rem);
  letter-spacing: 0.04em;
  margin: 0.25rem 0 1.25rem;
}

.session-meter-track {
  position: relative;
  height: 28px;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
}

.session-meter-track > span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--good), var(--accent-2), var(--bad));
  transition: width 60ms linear;
}

.session-meter-track > i {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff8ef;
  left: 0%;
  opacity: 0.85;
  transition: left 40ms linear;
}

.session-meter-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.session-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.35rem 0 1rem;
}

@media (max-width: 560px) {
  .session-grid {
    grid-template-columns: 1fr;
  }
}

.session-stat {
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.session-stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
}

.session-stat strong {
  font-size: 1.15rem;
  font-weight: 600;
}

.session-stat.ok {
  border-color: rgba(111, 191, 138, 0.45);
}

.session-stat.warn {
  border-color: rgba(224, 176, 74, 0.45);
}

.session-hint {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}