/* ============================================
   FitForgeFlow — Exercise Library Hub Styles
   ============================================ */

.page-header {
  padding: var(--space-xl) 0 var(--space-md);
  background: radial-gradient(circle at 50% 0%, rgba(0, 168, 255, 0.10), transparent 60%);
}

.page-header .lede {
  max-width: 600px;
}

/* ============ Muscle group grid ============ */

/* Flex + a fixed card basis (rather than a strict grid) so seven cards wrap
   cleanly at any width -- including the trailing partial row -- and stay
   centered instead of stretching to fill leftover grid columns. */
.muscle-group-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
}

.muscle-group-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 0 1 220px;
  width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color 0.15s ease, transform 0.15s ease;
  touch-action: manipulation;
}

.muscle-group-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

/* Approved standing anatomy images share a square presentation so all eight
   categories remain easy to scan without cropping the highlighted muscles. */
.muscle-group-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.muscle-group-card-media .muscle-figure-image {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 2px);
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

.muscle-group-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.muscle-group-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin: 0;
}

@media (max-width: 640px) {
  .muscle-group-card { flex-basis: 44%; width: 44%; }
}

.exercise-library-search {
  max-width: 680px;
  margin: var(--space-lg) auto 0;
  text-align: left;
}

.exercise-library-search > label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 800;
}

.exercise-library-search-field { position: relative; }
.exercise-library-search-field svg {
  position: absolute;
  top: 50%;
  left: 1rem;
  width: 1.15rem;
  height: 1.15rem;
  color: var(--color-accent);
  transform: translateY(-50%);
}
.exercise-library-search-field input {
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
}
.exercise-library-search-field input:focus { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.exercise-search-status { margin: 0.55rem 0 0; color: var(--color-text-dim); font-size: 0.78rem; }
.exercise-search-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
  margin-top: 0.75rem;
}
.exercise-search-result {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.exercise-search-result:hover { border-color: var(--color-accent); }
.exercise-search-result strong { display: block; color: var(--color-text); font-size: 0.95rem; }
.exercise-search-result span { color: var(--color-text-dim); font-size: 0.75rem; text-transform: capitalize; }

@media (max-width: 600px) {
  .exercise-search-results { grid-template-columns: 1fr; }
}

/* ============ Balanced training ============ */

.training-balance-section {
  background: linear-gradient(180deg, rgba(0, 168, 255, 0.06), rgba(0, 200, 180, 0.03));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.training-balance-head {
  max-width: 820px;
  margin: 0 auto var(--space-lg);
}

.training-balance-head .lede {
  max-width: 780px;
  margin: var(--space-sm) auto 0;
}

.training-balance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.training-balance-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.training-balance-number {
  display: block;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 800;
}

.training-balance-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.training-balance-card p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .training-balance-grid { grid-template-columns: 1fr; }
}

/* ============ Ability note ============ */

.ability-note {
  max-width: 640px;
  margin: 0 auto;
}

.ability-note strong {
  color: var(--color-accent);
}