/* =========================================================
   K89 ABOUT MARKETPLACE CATEGORY GRID
   8 semantic shop links + CRT rollover
   ========================================================= */

.k89-marketplace-link-grid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  grid-auto-rows: 1fr;
  gap: 12px;
  width: 100%;
  margin-top: 32px;
}

.k89-marketplace-link-card {
  --k89-crt-green: #55ff83;

  position: relative;
  isolation: isolate;
  min-width: 0;
  min-height: 146px;

  display: flex;
  flex-direction: column;
  justify-content: space-between;

  padding: 17px 17px 16px;

  overflow: hidden;

  border: 1px solid rgba(85, 255, 131, 0.17);
  background:
    linear-gradient(
      180deg,
      rgba(85, 255, 131, 0.025),
      rgba(85, 255, 131, 0.008)
    );

  color: inherit;
  text-decoration: none;

  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

/* CRT scanlines */
.k89-marketplace-link-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;

  pointer-events: none;

  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 4px
    );

  opacity: 0;
  transition: opacity 140ms ease;
}

/* Electron-beam sweep */
.k89-marketplace-link-card::after {
  content: "";
  position: absolute;
  z-index: 2;

  left: -5%;
  right: -5%;
  top: -8%;

  height: 2px;

  pointer-events: none;

  background:
    linear-gradient(
      90deg,
      transparent 0%,
      rgba(85, 255, 131, 0.28) 20%,
      rgba(190, 255, 208, 0.92) 50%,
      rgba(85, 255, 131, 0.28) 80%,
      transparent 100%
    );

  box-shadow:
    0 0 5px rgba(85, 255, 131, 0.85),
    0 0 16px rgba(85, 255, 131, 0.34);

  opacity: 0;
}

.k89-marketplace-link-card > * {
  position: relative;
  z-index: 1;
}

.k89-market-code {
  display: block;

  color: var(--k89-crt-green);

  font-family:
    ui-monospace,
    SFMono-Regular,
    Menlo,
    Monaco,
    Consolas,
    "Liberation Mono",
    monospace;

  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.14em;

  transition:
    text-shadow 140ms ease,
    transform 140ms ease;
}

.k89-market-label {
  display: block;
  max-width: 90%;

  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;

  transition:
    color 140ms ease,
    text-shadow 140ms ease,
    transform 140ms ease;
}

.k89-market-arrow {
  position: absolute;
  z-index: 1;

  right: 16px;
  bottom: 14px;

  color: var(--k89-crt-green);
  font-size: 0.92rem;

  opacity: 0.22;

  transition:
    opacity 140ms ease,
    transform 140ms ease,
    text-shadow 140ms ease;
}


/* ---------------------------------------------------------
   Desktop pointer / mouse CRT rollover
   --------------------------------------------------------- */

@media (hover: hover) and (pointer: fine) {

  .k89-marketplace-link-card:hover {
    border-color: rgba(85, 255, 131, 0.62);

    background:
      linear-gradient(
        180deg,
        rgba(85, 255, 131, 0.07),
        rgba(85, 255, 131, 0.016)
      );

    box-shadow:
      inset 0 0 30px rgba(85, 255, 131, 0.045),
      0 0 18px rgba(85, 255, 131, 0.035);

    transform: translateY(-1px);
  }

  .k89-marketplace-link-card:hover::before {
    opacity: 1;
  }

  .k89-marketplace-link-card:hover::after {
    animation: k89-crt-beam 620ms cubic-bezier(.18,.7,.2,1) 1;
  }

  .k89-marketplace-link-card:hover .k89-market-code {
    text-shadow:
      -1px 0 rgba(255, 74, 112, 0.32),
       1px 0 rgba(68, 173, 255, 0.35),
       0 0 7px rgba(85, 255, 131, 0.38);
  }

  .k89-marketplace-link-card:hover .k89-market-label {
    color: #f3fff6;

    text-shadow:
      -0.6px 0 rgba(255, 74, 112, 0.15),
       0.6px 0 rgba(68, 173, 255, 0.17);

    transform: translateX(2px);
  }

  .k89-marketplace-link-card:hover .k89-market-arrow {
    opacity: 1;
    transform: translateX(3px);

    text-shadow:
      0 0 8px rgba(85, 255, 131, 0.55);
  }
}


/* ---------------------------------------------------------
   Keyboard focus gets the same visual language
   --------------------------------------------------------- */

.k89-marketplace-link-card:focus-visible {
  outline: 1px solid var(--k89-crt-green);
  outline-offset: 3px;

  border-color: rgba(85, 255, 131, 0.7);

  box-shadow:
    inset 0 0 30px rgba(85, 255, 131, 0.045),
    0 0 18px rgba(85, 255, 131, 0.055);
}

.k89-marketplace-link-card:focus-visible::before {
  opacity: 1;
}

.k89-marketplace-link-card:focus-visible .k89-market-arrow {
  opacity: 1;
}


/* ---------------------------------------------------------
   CRT beam
   --------------------------------------------------------- */

@keyframes k89-crt-beam {
  0% {
    top: -8%;
    opacity: 0;
  }

  8% {
    opacity: 0.95;
  }

  72% {
    opacity: 0.72;
  }

  100% {
    top: 108%;
    opacity: 0;
  }
}


/* ---------------------------------------------------------
   Responsive
   --------------------------------------------------------- */

@media (max-width: 900px) {
  .k89-marketplace-link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
}

@media (max-width: 560px) {
  .k89-marketplace-link-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .k89-marketplace-link-card {
    min-height: 118px;
  }
}


/* ---------------------------------------------------------
   Reduced motion
   --------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

  .k89-marketplace-link-card,
  .k89-market-code,
  .k89-market-label,
  .k89-market-arrow {
    transition: none !important;
  }

  .k89-marketplace-link-card::after {
    animation: none !important;
    display: none;
  }
}