/* ========== EXERCISES GRID ========== */

.exercise-grid{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

@media (max-width: 1100px){
  .exercise-grid{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px){
  .exercise-grid{ grid-template-columns: repeat(2, 1fr); }
}

.exercise-card{
  position: relative;
  width: 220px;
  padding: 0;
  border: 0px solid rgba(255,255,255,.14);
  border-radius: 0px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  cursor: pointer;
  text-align: left;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

.exercise-card img{
  width: 100%;
  height: 330px;
  object-fit: cover;
  display: block;
  transform: scale(1);
  filter: blur(0);
  transition: transform 220ms ease, filter 220ms ease;
}

.exercise-overlay{
  position: absolute;
  inset: 0;
  display: grid;
  align-content: end;
  gap: 10px;
  padding: 14px;
  background: linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.72));
}

.exercise-title{
  position: absolute;
  top: 270px;
  left: 18px;
  right: 18px;
  gap: 4px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: start;
}

.exercise-num,
.exercise-name{
  line-height: 1;         /* removes baseline/line-height mismatch */
  align-self: start;      /* force each item to top */
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  display: block;
}

.exercise-num{
  font-family: "Space Grotesk", "Oxanium", ui-sans-serif, system-ui, sans-serif;
  font-weight: 900;
  font-size: 28px;
  letter-spacing: .08em;
  color: rgba(255,255,255,.92);
  
  width: 40px;
  padding: 0;
}

.exercise-name{
  font-family: "Oxanium", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: rgba(255,255,255,.9);
  text-transform: uppercase;

  width: 140px;
}

.exercise-spec{
  font-family: "Oxanium", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  font-weight: 500;
  font-size: 13px;

  position: absolute;
  top: 50%;
  left: 18px;
  transform: translateX(-50%) translateY(-50%);
  text-align: left;

  color: rgba(255,255,255,.85);
  opacity: 0;                 /* hidden by default */
  line-height: 1.25;

  transition: opacity 220ms ease, transform 220ms ease;
}

/* Hover effect (desktop) */
.exercise-card:hover img{
  transform: scale(1.06);
  filter: blur(6px);
}

/* Reveal reps/weight on hover */
.exercise-card:hover .exercise-spec{
  opacity: 1;
  transform: translateX(0) translateY(-50%);
}

/* Optional: dim name and number on hover */
.exercise-card:hover .exercise-name{
  opacity: .35;
}
.exercise-card:hover .exercise-num{
  opacity: .35;
}

/* Active/selected card (for click/tap) */
.exercise-card.is-active{
  outline: 2px solid rgba(255,176,0,.55);
  outline-offset: 2px;
}

.exercise-details{
  margin-top: 16px;
  display: none;
}

.exercise-details.is-open{
  display: block;
}

.exercise-details-inner{
  border: 0;
  border-radius: 0;
  background: rgba(0,0,0,.5);
  box-shadow: 0 16px 32px rgba(0,0,0,.35);
  padding: 14px;
}

.exercise-details-head{
  display: grid;
  grid-template-columns: 56px 1fr auto;
  gap: 12px;
  align-items: center;
}

.exercise-details-num{
  font-family: "Space Grotesk", "Oxanium", ui-sans-serif, system-ui, sans-serif;
  width: 56px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 0;
  font-weight: 1000;
  letter-spacing: .08em;
  font-size: 40px;
  /*background: rgba(255,176,0,.14);*/
  border: 0;
}

.exercise-details-name{
  font-family: "Oxanium", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  font-size: 28px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.exercise-details-spec{
  font-family: "Oxanium", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  margin-top: 12px;
  color: rgba(255,255,255,.72);
  font-weight: 700;
  font-size: 16px;
  white-space: pre-line; /* allows line breaks in specs text */
}

.exercise-details-standards{
  font-family: "Oxanium", "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  margin-top: 12px;
  color: rgba(255,255,255,.82);
  line-height: 1.55;
  font-size: 14px;
}

.exercise-details-close{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.9);
  border-radius: 0;
  padding: 10px 12px;
  cursor: pointer;
}
.exercise-details-close:hover{
  background: rgba(255,255,255,.08);
}