/* Coplost Enterprises — Folio Index (catalog.php only)
   Independent flx-* system. Not ca-* aisle cards / zph-* shop plates / a67-tile. */

.page-catalog.flx-catalog {
  --flx-ink: #0b1320;
  --flx-slate: #334155;
  --flx-mist: #e6ebf2;
  --flx-paper: #f2f5f9;
  --flx-line: rgba(11, 19, 32, 0.12);
  --flx-sky: #38bdf8;
  --flx-sky-ink: #082f49;
  --flx-rose: #fb7185;
  --flx-display: "Cormorant Garamond", Georgia, serif;
  --flx-sans: "Lexend", "Segoe UI", sans-serif;
  --flx-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --flx-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
}

.page-catalog.flx-catalog.a67-body {
  margin: 0;
  color: var(--flx-ink);
  font-family: var(--flx-sans);
  background: var(--flx-paper);
}

.page-catalog .a67-root-bare {
  padding: 0;
  overflow: visible;
}

.page-catalog .a67-main {
  overflow: visible;
}

.flx-world {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  padding: 1.15rem clamp(1rem, 3vw, 2.2rem) 2.4rem;
  overflow-x: clip;
}

.flx-sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 48% 36% at 95% 0%, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(ellipse 40% 30% at 0% 35%, rgba(251, 113, 133, 0.1), transparent 50%),
    linear-gradient(165deg, #fafcfe 0%, var(--flx-mist) 48%, #d5dde8 100%);
}

.flx-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(55px);
  opacity: 0.45;
  animation: flx-drift 17s ease-in-out infinite alternate;
}

.flx-glow-a {
  width: min(42vw, 24rem);
  height: min(42vw, 24rem);
  top: -8%;
  right: -5%;
  background: rgba(56, 189, 248, 0.3);
}

.flx-glow-b {
  width: min(34vw, 20rem);
  height: min(34vw, 20rem);
  bottom: 12%;
  left: -8%;
  background: rgba(251, 113, 133, 0.18);
  animation-delay: -5s;
}

.flx-rule {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 47px,
    rgba(11, 19, 32, 0.04) 47px,
    rgba(11, 19, 32, 0.04) 48px
  );
  mask-image: radial-gradient(ellipse 70% 50% at 40% 15%, #000 20%, transparent 75%);
}

/* Topbar */
.flx-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
  animation: flx-rise 0.5s var(--flx-ease) both;
}

.flx-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
}

.flx-mark-seal {
  width: 2.45rem;
  height: 2.45rem;
  display: grid;
  place-items: center;
  background: var(--flx-ink);
  color: var(--flx-sky);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  transition: transform 0.35s var(--flx-spring);
}

.flx-mark:hover .flx-mark-seal {
  transform: translateY(-2px) rotate(-6deg);
}

.flx-mark-name {
  font-family: var(--flx-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.flx-top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.95rem;
}

.flx-top-nav a {
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--flx-slate);
  text-decoration: none;
}

.flx-top-nav a:hover {
  color: var(--flx-ink);
}

.flx-top-cta {
  padding: 0.45rem 0.85rem !important;
  border-radius: 0.35rem;
  background: var(--flx-ink) !important;
  color: var(--flx-sky) !important;
}

/* Hero */
.flx-hero {
  max-width: 40rem;
  margin-bottom: 1.6rem;
  animation: flx-rise 0.55s var(--flx-ease) 0.04s both;
}

.flx-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flx-slate);
}

.flx-hero h1 {
  margin: 0;
  font-family: var(--flx-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.98;
}

.flx-lede {
  margin: 0.85rem 0 0;
  max-width: 40ch;
  color: var(--flx-slate);
  font-size: 1.05rem;
  line-height: 1.55;
}

.flx-meter {
  margin: 1.15rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.5rem;
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--flx-slate);
}

.flx-meter strong {
  display: block;
  font-family: var(--flx-display);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--flx-ink);
  line-height: 1.1;
}

.flx-meter span {
  display: grid;
  gap: 0.1rem;
}

/* Board */
.flx-board {
  display: grid;
  grid-template-columns: minmax(10.5rem, 13.5rem) minmax(0, 1fr);
  gap: 1.15rem;
  align-items: start;
  animation: flx-rise 0.55s var(--flx-ease) 0.08s both;
}

/* Spine tabs */
.flx-spine {
  position: sticky;
  top: 1rem;
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0.7rem;
  background: var(--flx-ink);
  color: #eef4fb;
  border-radius: 1.25rem 0.3rem 1.25rem 0.3rem;
}

.flx-spine-label {
  margin: 0 0 0.35rem;
  padding: 0 0.35rem;
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(238, 244, 251, 0.78);
}

.flx-tab {
  appearance: none;
  border: 1.5px solid transparent;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  gap: 0.4rem;
  align-items: center;
  text-align: left;
  padding: 0.55rem 0.45rem;
  border-radius: 0.55rem;
  transition: background 0.2s, border-color 0.2s, transform 0.25s var(--flx-spring);
}

.flx-tab:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateX(3px);
}

.flx-tab.is-on {
  background: rgba(56, 189, 248, 0.14);
  border-color: rgba(56, 189, 248, 0.45);
}

.flx-tab em {
  font-style: normal;
  font-family: var(--flx-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--flx-sky);
}

.flx-tab span {
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.2;
}

.flx-tab strong {
  font-size: 0.72rem;
  font-weight: 750;
  color: rgba(238, 244, 251, 0.78);
}

/* Keys + folios */
.flx-main {
  min-width: 0;
  display: grid;
  gap: 1rem;
}

.flx-keys {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1.5px solid var(--flx-line);
  border-radius: 0.35rem 1.15rem 0.35rem 1.15rem;
}

.flx-keys-label {
  margin: 0;
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--flx-slate);
}

.flx-key-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  flex: 1 1 auto;
}

.flx-key {
  appearance: none;
  border: 1.5px solid var(--flx-line);
  background: var(--flx-paper);
  color: var(--flx-ink);
  font: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.65rem 0.4rem 0.4rem;
  border-radius: 0.45rem;
  font-size: 0.78rem;
  font-weight: 650;
  transition: transform 0.25s var(--flx-spring), background 0.2s, border-color 0.2s, color 0.2s;
}

.flx-key:hover {
  transform: translateY(-2px);
}

.flx-key.is-on {
  background: var(--flx-ink);
  border-color: var(--flx-ink);
  color: #eef4fb;
}

.flx-key-cap {
  display: grid;
  place-items: center;
  min-width: 1.85rem;
  height: 1.85rem;
  padding: 0 0.25rem;
  border-radius: 0.35rem;
  background: var(--flx-sky);
  color: var(--flx-sky-ink);
  font-family: var(--flx-display);
  font-size: 0.85rem;
  font-weight: 700;
}

.flx-key.is-on .flx-key-cap {
  background: var(--flx-rose);
  color: #fff;
}

.flx-shop-jump {
  margin-left: auto;
  font-size: 0.85rem;
  font-weight: 750;
  color: var(--flx-ink);
  text-decoration: none;
  border-bottom: 1.5px solid var(--flx-sky);
}

.flx-shop-jump:hover {
  color: var(--flx-sky-ink);
}

/* Chapters */
.flx-folios {
  display: grid;
  gap: 1.15rem;
}

.flx-chapter {
  background: #fff;
  border: 1.5px solid var(--flx-line);
  border-radius: 1.2rem 0.3rem 1.2rem 0.3rem;
  overflow: hidden;
  animation: flx-rise 0.45s var(--flx-ease) both;
  animation-delay: calc(0.05s + var(--i, 0) * 40ms);
}

.flx-chapter[hidden] {
  display: none !important;
}

.flx-chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  padding: 1rem 1.1rem 0.85rem;
  background: linear-gradient(120deg, var(--flx-mist), #fff 60%);
  border-bottom: 1.5px solid var(--flx-line);
}

.flx-chapter-mark {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--flx-slate);
}

.flx-chapter-head h2 {
  margin: 0.15rem 0 0;
  font-family: var(--flx-display);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.flx-chapter-sub {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  color: var(--flx-slate);
}

.flx-chapter-link {
  font-size: 0.85rem;
  font-weight: 750;
  color: var(--flx-sky-ink);
  text-decoration: none;
  padding: 0.45rem 0.75rem;
  border-radius: 0.4rem;
  background: rgba(56, 189, 248, 0.18);
  transition: transform 0.25s var(--flx-spring), background 0.2s;
}

.flx-chapter-link:hover {
  transform: translateY(-2px);
  background: var(--flx-sky);
}

/* Index lines — not cards */
.flx-index {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
}

.flx-line a {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.55rem 1.05rem;
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--flx-line);
  transition: background 0.2s, transform 0.25s var(--flx-ease);
}

.flx-line:last-child a {
  border-bottom: 0;
}

.flx-line a:hover {
  background: rgba(56, 189, 248, 0.08);
  transform: translateX(4px);
}

.flx-stamp {
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.35rem 0.85rem 0.35rem 0.85rem;
  overflow: hidden;
  background: var(--flx-mist);
  border: 1.5px solid var(--flx-line);
}

.flx-stamp img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.flx-entry {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.flx-entry strong {
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.25;
}

.flx-entry em {
  font-style: normal;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--flx-slate);
}

.flx-folio {
  font-family: var(--flx-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--flx-ink);
  white-space: nowrap;
}

.flx-empty {
  margin: 0;
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--flx-slate);
  font-weight: 650;
  background: #fff;
  border: 1.5px dashed var(--flx-line);
  border-radius: 1rem;
}

.flx-empty[hidden] {
  display: none !important;
}

/* Foot */
.flx-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 2.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--flx-line);
  color: var(--flx-slate);
  font-size: 0.82rem;
  font-weight: 600;
}

.flx-foot p { margin: 0; }

.flx-foot nav {
  display: flex;
  gap: 0.85rem;
}

.flx-foot a {
  color: var(--flx-ink);
  font-weight: 700;
  text-decoration: none;
}

.flx-foot a:hover {
  color: #e11d48;
}

@keyframes flx-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

@keyframes flx-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(-4%, 6%) scale(1.07); }
}

@media (prefers-reduced-motion: reduce) {
  .flx-topbar,
  .flx-hero,
  .flx-board,
  .flx-chapter,
  .flx-glow {
    animation: none !important;
  }
}

@media (max-width: 860px) {
  .flx-board {
    grid-template-columns: 1fr;
  }

  .flx-spine {
    position: static;
    grid-auto-flow: column;
    grid-auto-columns: minmax(8.5rem, 10rem);
    overflow-x: auto;
    padding-bottom: 0.75rem;
    -webkit-overflow-scrolling: touch;
  }

  .flx-spine-label {
    grid-column: 1 / -1;
  }

  .flx-shop-jump {
    margin-left: 0;
    width: 100%;
  }

  .flx-world {
    padding-bottom: 4.5rem;
  }
}

@media (max-width: 480px) {
  .flx-line a {
    grid-template-columns: 2.75rem minmax(0, 1fr);
    grid-template-rows: auto auto;
  }

  .flx-folio {
    grid-column: 2;
    justify-self: start;
  }
}