/* Posture primer banner (lift days) */
.primer-banner {
  background: rgba(59,130,246,0.12);
  border: 1px solid var(--primary-2);
  border-radius: 12px;
  padding: 0.6rem 0.8rem;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
}

/* Session header readiness card */
.header-card summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.header-card summary::-webkit-details-marker { display: none; }
.header-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 0.8rem 0 0.6rem;
}
.header-grid label, .header-card label.block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Exercise card */
.ex-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
  overflow: hidden;
}
.ex-card.done { opacity: 0.78; }
.ex-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
}
.ex-head .ex-name { flex: 1; font-weight: 700; font-size: 1.05rem; }
.ex-head .ex-check {
  width: 24px; height: 24px; border-radius: 50%;
  border: 2px solid var(--line);
  display: grid; place-items: center;
  font-size: 0.85rem; color: var(--muted);
  flex: none;
}
.ex-card.done .ex-check { background: var(--good); border-color: var(--good); color: #06240f; }
.ex-meta { padding: 0 1rem 0.4rem; color: var(--muted); font-size: 0.85rem; }
.ex-meta .target { color: var(--text); font-weight: 600; }
.ex-cue { padding: 0 1rem 0.6rem; color: var(--muted); font-size: 0.82rem; font-style: italic; }

.ex-body { padding: 0.2rem 0.7rem 0.8rem; }
.ex-card.collapsed .ex-body,
.ex-card.collapsed .ex-meta,
.ex-card.collapsed .ex-cue { display: none; }

/* Set row */
.set-row {
  display: grid;
  grid-template-columns: 38px 1fr 1fr 56px;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.3rem;
}
.set-row .set-no { color: var(--muted); font-size: 0.85rem; text-align: center; }
.set-row.logged { background: rgba(34,197,94,0.08); border-radius: 10px; }

.stepper {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.stepper button {
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 1.3rem;
  font-weight: 700;
  height: 44px;
  cursor: pointer;
  touch-action: manipulation;
}
.stepper button:active { background: var(--line); }
.stepper .val {
  text-align: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.stepper .val small { display: block; font-size: 0.62rem; color: var(--muted); font-weight: 500; }

.set-log-btn {
  height: 44px; border-radius: 10px; border: 1px solid var(--primary-2);
  background: var(--primary); color: #fff; font-weight: 700; font-size: 1.2rem;
  cursor: pointer;
}
.set-row.logged .set-log-btn { background: var(--card-2); border-color: var(--line); color: var(--good); }

.ex-actions { display: flex; gap: 0.5rem; padding: 0.4rem 0.3rem 0.1rem; }
.ex-actions .btn { flex: 1; padding: 0.5rem; font-size: 0.9rem; min-height: 40px; }

.ex-note {
  margin: 0.5rem 0.3rem 0.1rem;
}
.ex-note textarea { font-size: 0.95rem; }

/* Rest timer */
.rest-timer {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(env(safe-area-inset-bottom) + 0.8rem);
  width: min(94%, 620px);
  background: var(--card-2);
  border: 1px solid var(--primary-2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
  z-index: 50;
}
.rest-timer #rest-label { color: var(--muted); font-weight: 600; }
.rest-timer #rest-clock {
  flex: 1; font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums;
}
.rest-timer.urgent #rest-clock { color: var(--warn); }

/* Metrics screen */
.card-title { font-size: 1.05rem; margin-bottom: 0.4rem; }
.bw-entry { display: grid; grid-template-columns: 1fr auto; gap: 0.5rem; margin: 0.6rem 0; }
.bw-recent { margin-top: 0.4rem; }
.bw-row {
  display: flex; justify-content: space-between;
  padding: 0.35rem 0.2rem; border-top: 1px solid var(--line);
  font-size: 0.92rem; color: var(--muted);
}
.bw-row strong { color: var(--text); }

.measure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
  margin: 0.7rem 0;
}
.measure-cell { display: flex; flex-direction: column; gap: 0.2rem; }
.measure-name { font-size: 0.82rem; color: var(--muted); }
.measure-sub { font-size: 0.7rem; }

/* Charts */
.metric-toggle { display: flex; gap: 0.4rem; margin: 0.6rem 0; }
.metric-toggle button {
  flex: 1; padding: 0.45rem; border-radius: 9px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--muted); font-size: 0.85rem; font-weight: 600;
  cursor: pointer;
}
.metric-toggle button.active { background: var(--primary); border-color: var(--primary-2); color: #fff; }
.plot { margin-top: 0.5rem; }
.chart-svg { width: 100%; height: auto; display: block; background: var(--card-2); border-radius: 10px; }
.chart-caption { font-size: 0.88rem; margin-top: 0.4rem; }
#chart-ex-select, #chart-measure-select { margin-bottom: 0.2rem; }

/* Feedback */
.fb-summary { font-size: 1.02rem; }
.fb-flags { list-style: none; margin-top: 0.6rem; }
.fb-flags li { padding: 0.5rem 0.7rem; background: rgba(245,158,11,0.12); border-radius: 10px; margin-bottom: 0.4rem; font-size: 0.9rem; }
.fb-ex { border-top: 1px solid var(--line); padding: 0.8rem 0; }
.fb-ex h3 { font-size: 1rem; }
.fb-ex .fb-next { color: var(--text); font-weight: 600; margin-top: 0.3rem; }
.fb-ex .fb-analysis { color: var(--muted); font-size: 0.92rem; margin-top: 0.2rem; }