/* ==========================================================================
   MP-Beats — beat cards, grids and shared view furniture
   ========================================================================== */

/* --------------------------------------------------------------------------
   Grids
   -------------------------------------------------------------------------- */

.beat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(228px, 100%), 1fr));
  gap: var(--space-6) var(--space-5);
}

@media (max-width: 560px) {
  .beat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5) var(--space-3);
  }
}

.beat-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

/* --------------------------------------------------------------------------
   Grid card
   -------------------------------------------------------------------------- */

.beat-card--grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.beat-card__art {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-sm);
  /* Hover is a response, not an arrival — --dur-fast, or it reads as lag. */
  transition: box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.beat-card__art .art {
  border-radius: 0;
}

.beat-card--grid:hover .beat-card__art {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.beat-card--grid:hover .art img {
  transform: scale(1.06);
}

/* Scrim that fades in behind the play button so it stays legible on any art */
.beat-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgb(6 7 10 / 0.78) 0%, rgb(6 7 10 / 0.12) 45%, transparent 70%);
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-soft);
}

.beat-card--grid:hover .beat-card__overlay,
.beat-card--grid:focus-within .beat-card__overlay,
.beat-card.is-current .beat-card__overlay {
  opacity: 1;
}

.beat-card__play {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(0.82);
  /* An arrival, so the spring stays — but at --dur-fast, because it is
     triggered by a pointer that is already there. */
  transition:
    opacity var(--dur-fast) var(--ease-soft),
    transform var(--dur-fast) var(--ease-spring);
}

.beat-card--grid:hover .beat-card__play,
.beat-card--grid:focus-within .beat-card__play,
.beat-card.is-current .beat-card__play {
  opacity: 1;
  transform: scale(1);
}

/* Touch devices have no hover, so the control must always be visible */
@media (pointer: coarse) {
  .beat-card__play {
    opacity: 1;
    transform: scale(1);
    inset: auto var(--space-2) var(--space-2) auto;
    display: block;
  }
  .beat-card__overlay {
    opacity: 1;
  }
}

.beat-card__badges {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  z-index: 1;
}

.beat-card__eq {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  z-index: 1;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xs);
  background: rgb(6 7 10 / 0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-soft);
}

.beat-card.is-playing .beat-card__eq {
  opacity: 1;
}

.beat-card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.beat-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.beat-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-snug);
  min-width: 0;
}

.beat-card__title a {
  transition: color var(--dur-fast) var(--ease-soft);
}

.beat-card__title a:hover {
  color: var(--accent-text);
}

.beat-card.is-current .beat-card__title {
  color: var(--live);
}

.beat-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

/* A separator is a drawing, not a word — the one legitimate use for the
   sub-AA decorative tone. */
.beat-card__dot {
  color: var(--text-decorative);
}

.beat-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.beat-card__price {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.beat-card__from {
  font-size: var(--text-2xs);
  font-weight: var(--weight-regular);
  color: var(--text-tertiary);
}

.cart-btn.is-active {
  color: var(--success);
}

/* --------------------------------------------------------------------------
   Row card
   -------------------------------------------------------------------------- */

.beat-card--row {
  display: grid;
  grid-template-columns: 34px 48px minmax(140px, 1.4fr) minmax(0, 2fr) auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition:
    background-color var(--dur-fast) var(--ease-soft),
    border-color var(--dur-fast) var(--ease-soft),
    transform var(--dur-instant) var(--ease-out);
}

.beat-card--row:hover {
  background: var(--glass-thin);
  border-color: var(--border-subtle);
}

.beat-card--row.is-current {
  background: var(--accent-softer);
  border-color: var(--border-accent);
}

.beat-card__index {
  font-size: var(--text-xs);
  color: var(--text-quiet);
  text-align: center;
}

.beat-card__thumb {
  position: relative;
  width: 48px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.beat-card__thumb .beat-card__play {
  background: rgb(6 7 10 / 0.55);
  opacity: 0;
}

/* :focus-within is not optional here. These buttons stay focusable and stay in
   the tab order at opacity 0, so without it a keyboard user tabs onto an
   invisible control — and the :focus-visible ring is invisible too, because
   the element carrying it is transparent. That is a WCAG 2.4.7 (AA) failure
   on the catalogue list and on every compact list in the app: search results,
   related beats, cart lines. The grid variant already had this; row and
   compact were missed. */
.beat-card--row:hover .beat-card__thumb .beat-card__play,
.beat-card--row:focus-within .beat-card__thumb .beat-card__play,
.beat-card--row.is-current .beat-card__thumb .beat-card__play,
.beat-card--compact:hover .beat-card__thumb .beat-card__play,
.beat-card--compact:focus-within .beat-card__thumb .beat-card__play,
.beat-card--compact.is-current .beat-card__thumb .beat-card__play {
  opacity: 1;
  transform: scale(1);
}

.beat-card__info {
  min-width: 0;
}

.beat-card__wave {
  min-width: 0;
}

.beat-card__stats {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.beat-card__stat {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.beat-card__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

@media (max-width: 1024px) {
  .beat-card--row {
    grid-template-columns: 48px minmax(0, 1fr) auto;
    gap: var(--space-3);
  }
  .beat-card--row .beat-card__index,
  .beat-card--row .beat-card__wave,
  .beat-card--row .beat-card__stats {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Compact card
   -------------------------------------------------------------------------- */

.beat-card--compact {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--dur-fast) var(--ease-soft),
    transform var(--dur-instant) var(--ease-out);
}

.beat-card--compact:hover {
  background: var(--surface-hover);
}

.beat-card--compact .beat-card__thumb {
  width: 44px;
  flex: 0 0 44px;
}

.beat-card--compact .beat-card__info {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.beat-card--compact .beat-card__title {
  font-size: var(--text-sm);
}

.beat-card--compact .beat-card__meta {
  font-size: var(--text-xs);
}

.beat-card--compact .beat-card__price {
  flex: 0 0 auto;
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Featured card
   -------------------------------------------------------------------------- */

.beat-card--featured {
  position: relative;
  display: grid;
  grid-template-columns: minmax(200px, 320px) minmax(0, 1fr);
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--border-default);
  overflow: hidden;
  isolation: isolate;
  background: var(--surface-raised);
}

.beat-card__backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  filter: blur(70px) saturate(1.8);
  opacity: 0.4;
  transform: scale(1.25);
}

.beat-card__backdrop .art {
  width: 100%;
  height: 100%;
  border-radius: 0;
}

.beat-card__backdrop::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgb(11 13 18 / 0.72), rgb(11 13 18 / 0.95));
}

.beat-card__feature-art {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.beat-card__feature-art .art {
  border-radius: 0;
}

.beat-card__feature-art .beat-card__play {
  opacity: 1;
  transform: scale(1);
  background: linear-gradient(to top, rgb(6 7 10 / 0.5), transparent 60%);
}

.beat-card__feature-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
}

.beat-card__feature-title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-black);
  letter-spacing: var(--tracking-hero);
  line-height: 0.98;
}

.beat-card__feature-wave {
  margin-block: var(--space-2);
}

.beat-card__feature-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .beat-card--featured {
    grid-template-columns: 1fr;
    gap: var(--space-5);
    padding: var(--space-5);
  }
  .beat-card__feature-art {
    max-width: 240px;
  }
}

/* --------------------------------------------------------------------------
   Skeleton variants
   -------------------------------------------------------------------------- */

.beat-card.is-skeleton {
  pointer-events: none;
}

.beat-card--row.is-skeleton {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.pagination__pages {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-btn {
  display: grid;
  place-items: center;
  min-width: var(--tap-min);
  height: var(--tap-min);
  padding-inline: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  transition: var(--transition-colors), transform var(--dur-instant) var(--ease-out);
}

.page-btn:hover:not(:disabled):not(.is-active) {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.page-btn.is-active {
  background: var(--accent-soft);
  border-color: var(--border-accent);
  color: var(--accent-text);
  font-weight: var(--weight-semibold);
}

.page-btn:disabled {
  opacity: 0.3;
  pointer-events: none;
}

.page-gap {
  padding-inline: var(--space-1);
  color: var(--text-quiet);
}

.load-more {
  display: flex;
  justify-content: center;
  margin-top: var(--space-10);
}

/* --------------------------------------------------------------------------
   State variants
   -------------------------------------------------------------------------- */

.state--compact {
  padding: var(--space-8) var(--space-4);
}

.state--error .state__icon {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: transparent;
}