:root {
  --lib-red: #ff1717;
  --lib-red-dark: #b90000;
  --lib-bg: #060606;
  --lib-panel: #111111;
  --lib-panel-2: #171717;
  --lib-line: rgba(255,255,255,.09);
  --lib-muted: #919191;
  --lib-success: #38d678;
}

.library-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 92% 0%, rgba(255,23,23,.10), transparent 30rem),
    var(--lib-bg);
  color: #f6f6f6;
}

.library-shell { padding: 2rem 0 6rem; }

.library-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.library-heading h1 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  font-weight: 900;
  line-height: .95;
  text-transform: uppercase;
}

.library-heading p {
  max-width: 760px;
  margin: .6rem 0 0;
  color: var(--lib-muted);
}

.library-panel {
  height: 100%;
  padding: 1.35rem;
  border: 1px solid var(--lib-line);
  border-radius: .9rem;
  background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
  box-shadow: 0 18px 50px rgba(0,0,0,.25);
}

.library-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.library-topline h2,
.library-topline h3 {
  margin: 0;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
}

.library-topline h2 { font-size: 1.55rem; }

.lib-kicker {
  color: var(--lib-red);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.library-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin-bottom: 1rem;
}

.library-tab {
  padding: .55rem .85rem;
  border: 1px solid var(--lib-line);
  border-radius: 999px;
  background: #0f0f0f;
  color: #aaa;
  font-size: .78rem;
  font-weight: 700;
}

.library-tab.active,
.library-tab:hover {
  color: white;
  border-color: var(--lib-red);
  background: rgba(255,23,23,.11);
}

.filter-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: .75rem;
}

.form-control,
.form-select {
  min-height: 46px;
  color: white;
  background: #0c0c0c;
  border-color: var(--lib-line);
  border-radius: .55rem;
}

.form-control:focus,
.form-select:focus {
  color: white;
  background: #0c0c0c;
  border-color: var(--lib-red);
  box-shadow: 0 0 0 .2rem rgba(255,23,23,.12);
}

.form-control::placeholder { color: #666; }

.form-select {
  --bs-form-select-bg-img: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23ffffff' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

.exercise-grid,
.workout-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1rem;
}

.exercise-card,
.workout-card {
  overflow: hidden;
  border: 1px solid var(--lib-line);
  border-radius: .85rem;
  background: #101010;
  transition: .22s ease;
}

.exercise-card:hover,
.workout-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,23,23,.45);
  box-shadow: 0 18px 45px rgba(0,0,0,.35);
}

.exercise-visual,
.workout-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 190px;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 25%, rgba(255,23,23,.26), transparent 12rem),
    linear-gradient(145deg, #181818, #0c0c0c);
}

.exercise-visual i,
.workout-visual i {
  color: rgba(255,255,255,.15);
  font-size: 4.8rem;
}

.exercise-badge,
.workout-badge {
  position: absolute;
  top: .8rem;
  left: .8rem;
  padding: .3rem .55rem;
  border-radius: 999px;
  background: rgba(0,0,0,.58);
  border: 1px solid rgba(255,255,255,.12);
  color: #ddd;
  font-size: .68rem;
  font-weight: 800;
}

.favorite-button {
  position: absolute;
  top: .75rem;
  right: .75rem;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  background: rgba(0,0,0,.55);
  color: #aaa;
}

.favorite-button.active {
  color: white;
  background: var(--lib-red);
  border-color: var(--lib-red);
}

.exercise-card-body,
.workout-card-body { padding: 1rem; }

.exercise-card h3,
.workout-card h3 {
  margin: 0 0 .35rem;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.45rem;
  font-weight: 800;
  text-transform: uppercase;
}

.exercise-card p,
.workout-card p {
  min-height: 44px;
  margin-bottom: .7rem;
  color: var(--lib-muted);
  font-size: .76rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .8rem;
}

.meta-row span {
  padding: .25rem .45rem;
  border-radius: 999px;
  background: rgba(255,255,255,.045);
  color: #aaa;
  font-size: .66rem;
}

.card-actions {
  display: flex;
  gap: .55rem;
}

.exercise-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.detail-box {
  padding: 1rem;
  border: 1px solid var(--lib-line);
  border-radius: .7rem;
  background: rgba(255,255,255,.025);
}

.detail-box h4 {
  margin-bottom: .6rem;
  font-family: "Barlow Condensed", sans-serif;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-box ul {
  margin: 0;
  padding-left: 1.2rem;
  color: #c6c6c6;
  font-size: .85rem;
}

.detail-box li + li { margin-top: .35rem; }

.exercise-history-table {
  width: 100%;
  color: #ddd;
}

.exercise-history-table th {
  padding: .7rem;
  color: #777;
  background: #0d0d0d;
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.exercise-history-table td {
  padding: .75rem .7rem;
  border-color: rgba(255,255,255,.055);
  vertical-align: middle;
  font-size: .8rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: .75rem;
}

.stat-box {
  padding: 1rem;
  border-radius: .7rem;
  background: rgba(255,255,255,.03);
}

.stat-box strong {
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  font-size: 1.8rem;
  line-height: 1;
}

.stat-box span {
  color: var(--lib-muted);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.empty-state {
  padding: 2.7rem 1rem;
  border: 1px dashed rgba(255,255,255,.14);
  border-radius: .75rem;
  color: var(--lib-muted);
  text-align: center;
}

.empty-state i {
  display: block;
  margin-bottom: .85rem;
  color: var(--lib-red);
  font-size: 2rem;
}

@media (max-width: 1199.98px) {
  .exercise-grid,
  .workout-grid { grid-template-columns: repeat(2,1fr); }
  .filter-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767.98px) {
  .library-shell { padding-top: 1.25rem; }
  .library-heading { align-items: flex-start; flex-direction: column; }
  .exercise-grid,
  .workout-grid { grid-template-columns: 1fr; }
  .filter-grid { grid-template-columns: 1fr; }
  .exercise-detail-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
}