/* ── Muscle Group Grid ── */
.muscle-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.muscle-card {
  background: var(--card); border-radius: 18px; padding: 12px 12px 14px;
  text-align: center; cursor: pointer;
  border: 1px solid var(--border); transition: transform 0.15s;
  position: relative; overflow: hidden;
}
.muscle-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent); opacity: 0; transition: opacity 0.15s;
}
.muscle-card:active { transform: scale(0.96); }
.muscle-card:active::after { opacity: 1; }
.muscle-icon-wrap {
  position: relative; width: 100%; aspect-ratio: 1;
  margin-bottom: 8px; border-radius: 10px; overflow: hidden;
  background: #000;
}
.muscle-icon-wrap img {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%; object-fit: contain; display: block;
}
.muscle-icon-wrap .m-overlay {
  filter: hue-rotate(130deg) saturate(2.4) brightness(1.15);
}
.muscle-card .name { font-size: 0.95rem; font-weight: 600; }
.muscle-card .count { font-size: 0.75rem; color: var(--muted); margin-top: 3px; }
.muscle-card.wide { grid-column: 1 / -1; }

/* ── Exercise Search ── */
.ex-search-input {
  width: 100%; box-sizing: border-box;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 12px 16px;
  color: var(--text); font-size: 0.95rem; font-family: inherit;
  outline: none; margin-bottom: 14px;
  position: sticky; top: 0; z-index: 5;
}
.ex-search-input::placeholder { color: var(--muted); }
.ex-search-input:focus { border-color: var(--accent); }

/* ── Exercise List ── */
.exercise-list { display: flex; flex-direction: column; gap: 10px; }
.exercise-item {
  background: var(--card); border-radius: 14px; padding: 12px 14px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; border: 1px solid var(--border); transition: transform 0.12s;
}
.exercise-item:active { transform: scale(0.98); background: var(--card2); }
.ex-thumb {
  width: 44px; height: 44px; border-radius: 10px; object-fit: cover;
  flex-shrink: 0; background: var(--card2);
}
.ex-item-info { flex: 1; min-width: 0; }
.exercise-item .ex-name { font-size: 1rem; font-weight: 500; display: block; }
.exercise-item .arrow { color: var(--accent); font-size: 1.3rem; flex-shrink: 0; }
.ex-search-group { display: block; font-size: 0.75rem; color: var(--muted); margin-top: 2px; }
.ex-search-empty { text-align: center; color: var(--muted); padding: 32px 16px; font-size: 0.9rem; }

/* ── PR Badge (inline in exercise list) ── */
.pr-badge {
  background: rgba(255,215,0,0.15); color: #ffd700;
  font-size: 0.68rem; font-weight: 700;
  padding: 2px 7px; border-radius: 6px; margin-left: 8px;
  vertical-align: middle;
}

/* ── PR Box (exercise modal) ── */
.pr-box {
  display: flex; align-items: center; gap: 12px;
  background: rgba(255,215,0,0.08); border: 1px solid rgba(255,215,0,0.2);
  border-radius: 14px; padding: 14px 16px; margin-bottom: 16px;
}
.pr-icon { font-size: 1.6rem; }
.pr-value { font-weight: 700; font-size: 1rem; }
.pr-date { font-size: 0.8rem; color: var(--muted); }

/* ── New PR Toast ── */
.pr-toast {
  position: fixed;
  top: calc(var(--safe-top) + 70px);
  left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #ffd700, #ffaa00);
  color: #1a1a2e; font-weight: 700; font-size: 0.95rem;
  padding: 12px 24px; border-radius: 14px; z-index: 200;
  box-shadow: 0 4px 20px rgba(255,215,0,0.4);
  animation: prToastIn 0.3s ease, prToastOut 0.3s ease 2.2s forwards;
  white-space: nowrap;
}
@keyframes prToastIn { from { opacity:0; transform:translateX(-50%) translateY(-20px); } to { opacity:1; transform:translateX(-50%) translateY(0); } }
@keyframes prToastOut { from { opacity:1; transform:translateX(-50%) translateY(0); } to { opacity:0; transform:translateX(-50%) translateY(-20px); } }