/* Korean discography navigator */
html[data-page="eras"] .era-console-page {
  padding: 0;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(18, 13, 31, .84), rgba(7, 5, 13, .95));
}

.disco-rail {
  position: relative;
  overflow-x: auto;
  padding: 32px 30px 26px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 120, 200, .55) transparent;
  scroll-snap-type: x proximity;
}

.disco-rail::before {
  content: "";
  position: absolute;
  left: 54px;
  right: 54px;
  top: 52px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(168, 111, 255, .42), rgba(255, 120, 200, .48), transparent);
}

.disco-tabs {
  position: relative;
  z-index: 1;
  min-width: 1040px;
  display: grid;
  grid-template-columns: repeat(9, minmax(96px, 1fr));
  gap: 10px;
}

.disco-tab {
  min-width: 0;
  padding: 0 4px;
  display: grid;
  justify-items: center;
  gap: 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  scroll-snap-align: center;
  transition: color .32s ease, transform .32s cubic-bezier(.2, .75, .25, 1);
}

.disco-tab:hover { color: #ddd4e7; transform: translateY(-2px); }

.disco-tab-dot {
  width: 14px;
  height: 14px;
  border: 1px solid rgba(255,255,255,.34);
  border-radius: 50%;
  background: #09070f;
  transition: transform .38s cubic-bezier(.2, .75, .25, 1), background .3s ease, border-color .3s ease, box-shadow .38s ease;
}

.disco-tab strong {
  max-width: 120px;
  overflow: hidden;
  color: inherit;
  font-size: .7rem;
  letter-spacing: .07em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.disco-tab small { color: #777080; font-size: .68rem; transition: color .3s ease; }
.disco-tab[aria-selected="true"] { color: white; transform: translateY(-2px); }
.disco-tab[aria-selected="true"] small { color: #bcb3c7; }
.disco-tab[aria-selected="true"] .disco-tab-dot {
  transform: scale(1.35);
  border-color: white;
  background: var(--pink);
  box-shadow: 0 0 22px rgba(255, 120, 200, .72);
}

.disco-detail {
  min-height: 430px;
  margin: 0 30px 30px;
  padding: clamp(24px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: radial-gradient(circle at 22% 40%, rgba(166, 100, 255, .12), transparent 34%), rgba(255,255,255,.02);
  transition: opacity .28s ease, transform .34s cubic-bezier(.2, .75, .25, 1), border-color .34s ease, background .34s ease;
  will-change: opacity, transform;
}

.disco-detail.is-leaving {
  opacity: 0;
  transform: translateY(10px) scale(.995);
}

.disco-detail.is-entering {
  opacity: 0;
  transform: translateY(12px) scale(.995);
}

.disco-cover-wrap {
  position: relative;
  isolation: isolate;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(19, 13, 31, .9), rgba(8, 6, 14, .96));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .5s cubic-bezier(.2, .75, .25, 1), opacity .35s ease;
}
.disco-cover-wrap::before {
  content: "";
  position: absolute;
  inset: 8% -12%;
  z-index: -1;
  border: 1px solid rgba(234, 202, 255, .22);
  border-radius: 50%;
  transform: rotate(-14deg);
  transition: transform .65s cubic-bezier(.2, .75, .25, 1), opacity .35s ease;
}

.disco-detail.is-entering .disco-cover-wrap,
.disco-detail.is-leaving .disco-cover-wrap { transform: translateX(-12px) rotate(-1deg); opacity: .72; }
.disco-detail.is-entering .disco-cover-wrap::before { transform: rotate(-20deg) scale(.96); }

.disco-cover {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 20px;
  background: linear-gradient(145deg, #bd70ff, #ff76ba 48%, #181020);
  box-shadow: 0 28px 70px rgba(0,0,0,.42), 0 0 50px rgba(164, 94, 244, .15);
  transform: scale(var(--cover-scale, 1));
  transition: opacity .24s ease, filter .35s ease, transform .38s cubic-bezier(.2, .75, .25, 1), box-shadow .38s ease;
}

.disco-cover.is-loading { filter: saturate(.72) brightness(.82); }
.disco-cover.is-swapping { opacity: .12; filter: blur(2px) saturate(.82); }

.disco-copy {
  min-width: 0;
  transition: opacity .36s ease, transform .42s cubic-bezier(.2, .75, .25, 1);
}
.disco-detail.is-entering .disco-copy,
.disco-detail.is-leaving .disco-copy { opacity: 0; transform: translateX(16px); }

.disco-sequence {
  margin: 0 0 16px;
  color: #b8afc3;
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.disco-copy h3 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.2rem);
  line-height: .9;
  letter-spacing: -.065em;
}
.disco-type { margin: 24px 0 4px; color: white; font-weight: 700; }
.disco-title-track { margin: 0; color: #dcb9ee; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.disco-description { max-width: 650px; margin: 24px 0 0; color: var(--muted); }
.disco-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.disco-actions a {
  min-height: 44px;
  padding: 0 17px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: #f0ddfa;
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}
.disco-actions a:first-child { border-color: transparent; background: linear-gradient(120deg, #dcb7ff, #ff88d2); color: #160819; font-weight: 750; }
.disco-actions a:hover { transform: translateY(-2px); border-color: rgba(255,255,255,.6); }

html[data-page="eras"] [data-era-archive] { display: none; }
html[data-page="eras"] [data-era-archive] + * { display: none; }
html[data-page="eras"] .era-console-page + .revive-feature { margin-top: 0; }

@media (max-width: 760px) {
  .disco-rail { padding: 26px 18px 22px; }
  .disco-rail::before { left: 38px; right: 38px; top: 46px; }
  .disco-tabs { min-width: 920px; }
  .disco-detail { margin: 0 14px 14px; padding: 24px; grid-template-columns: 1fr; gap: 28px; }
  .disco-cover-wrap { width: min(78vw, 330px); justify-self: center; }
  .disco-copy h3 { font-size: clamp(3rem, 15vw, 5rem); }
}

@media (prefers-reduced-motion: reduce) {
  .disco-tab,
  .disco-tab-dot,
  .disco-detail,
  .disco-cover-wrap,
  .disco-cover-wrap::before,
  .disco-cover,
  .disco-copy,
  .disco-actions a {
    transition-duration: .01ms !important;
  }

  .disco-detail.is-leaving,
  .disco-detail.is-entering,
  .disco-detail.is-entering .disco-cover-wrap,
  .disco-detail.is-leaving .disco-cover-wrap,
  .disco-detail.is-entering .disco-copy,
  .disco-detail.is-leaving .disco-copy {
    opacity: 1;
    transform: none;
  }
}