/* === Fonts === */
@font-face {
  font-family: "PPSupplyMonoRegular";
  src: url(../fonts/PPSupplyMono-Regular.otf);
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "PPSupplyMonoUltralight";
  src: url(../fonts/PPSupplyMono-Ultralight.otf);
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "PPSupplySansRegular";
  src: url(../fonts/PPSupplySans-Regular.otf);
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "PPSupplySansUltralight";
  src: url(../fonts/PPSupplySans-Ultralight.otf);
  font-weight: 300; font-style: normal; font-display: swap;
}

:root {
  --scroll-progress: 0;
  --font-mono-regular: "PPSupplyMonoRegular";
  --font-sans-regular: "PPSupplySansRegular";
  --font-mono-light: "PPSupplyMonoUltralight";
  --floating-ui-font-sans: var(--font-sans-regular), var(--font-mono-regular), sans-serif;
  --floating-ui-font-mono: var(--font-mono-regular), monospace;
  --floating-ui-font-mono-light: var(--font-mono-light), var(--font-mono-regular), monospace;
  --color-light: #ffffff;
  --color-dark: #101011;
  --color-gray: #CBCBCB;
  --color-accent: #32A4C3;
  --ui-text-primary: rgba(16, 16, 17, 0.95);
  --ui-text-secondary: rgba(16, 16, 17, 0.72);
  --ui-text-muted: rgba(16, 16, 17, 0.6);
  --ui-text-faint: rgba(16, 16, 17, 0.42);
  --ui-line: rgba(16, 16, 17, 0.34);
  --ui-line-strong: rgba(16, 16, 17, 0.62);
  --ui-link-active: rgba(16, 16, 17, 0.95);
  --about-title: rgba(16, 16, 17, 0.95);
  --about-title-glow: rgba(16, 16, 17, 0.26);
  --about-divider: rgba(16, 16, 17, 0.18);
  --about-line-shadow: rgba(16, 16, 17, 0.12);
  --about-body-strong: rgba(16, 16, 17, 0.85);
  --about-body-dim: rgba(16, 16, 17, 0.64);
  --about-body-soft: rgba(16, 16, 17, 0.56);
  --about-section: rgba(16, 16, 17, 0.9);
  --about-list: rgba(16, 16, 17, 0.72);
  --about-link: rgba(16, 16, 17, 0.84);
  --about-link-hover: rgba(16, 16, 17, 0.98);
  --about-link-glow: rgba(16, 16, 17, 0.3);
  --about-note: rgba(16, 16, 17, 0.38);
  --about-scroll-track: rgba(16, 16, 17, 0.14);
  --about-scroll-thumb: rgba(16, 16, 17, 0.44);
  --about-scroll-label: rgba(16, 16, 17, 0.38);
  --transition: 0.5s ease-in-out;
  --container-padding: 11.7rem;
}
:root.ui-dark {
  --ui-text-primary: rgba(255, 255, 255, 0.95);
  --ui-text-secondary: rgba(255, 255, 255, 0.72);
  --ui-text-muted: rgba(255, 255, 255, 0.6);
  --ui-text-faint: rgba(255, 255, 255, 0.42);
  --ui-line: rgba(255, 255, 255, 0.3);
  --ui-line-strong: rgba(255, 255, 255, 0.68);
  --ui-link-active: #88ffcc;
  --about-title: rgba(255, 255, 255, 0.95);
  --about-title-glow: rgba(255, 255, 255, 0.3);
  --about-divider: rgba(255, 255, 255, 0.15);
  --about-line-shadow: rgba(255, 255, 255, 0.15);
  --about-body-strong: rgba(255, 255, 255, 0.85);
  --about-body-dim: rgba(255, 255, 255, 0.62);
  --about-body-soft: rgba(255, 255, 255, 0.54);
  --about-section: rgba(255, 255, 255, 0.88);
  --about-list: rgba(255, 255, 255, 0.74);
  --about-link: rgba(136, 255, 204, 0.86);
  --about-link-hover: rgba(184, 255, 224, 0.98);
  --about-link-glow: rgba(136, 255, 204, 0.65);
  --about-note: rgba(255, 255, 255, 0.34);
  --about-scroll-track: rgba(255, 255, 255, 0.12);
  --about-scroll-thumb: rgba(255, 255, 255, 0.42);
  --about-scroll-label: rgba(255, 255, 255, 0.38);
}
@media (max-width: 1919px) { :root { --container-padding: 8.3rem; } }
@media (max-width: 1439px) { :root { --container-padding: 6.6rem; } }
@media (max-width: 1023px) { :root { --container-padding: 4rem; } }
@media (max-width: 767px)  { :root { --container-padding: 4.27vw; } }

*, *:after, *:before { padding: 0; margin: 0; box-sizing: border-box; }

html {
  font-size: 62.5%;
  font-family: var(--font-sans-regular);
  background-color: var(--color-dark);
  color: var(--color-light);
}
html, body {
  position: fixed; left: 0; top: 0; right: 0; bottom: 0;
  padding: 0; margin: 0; overflow: hidden;
  overscroll-behavior: none;
}
button { all: unset; cursor: pointer; }
a { all: unset; cursor: pointer; }
ul { display: block; margin: 0; padding: 0; list-style-type: none; }

/* === Focus-visible (keyboard navigation) === */
:focus-visible {
  outline: 2px solid var(--ui-text-secondary);
  outline-offset: 3px;
  border-radius: 2px;
}
.header-link:focus-visible,
.header-cta:focus-visible {
  outline-offset: 4px;
}
.permalink-overlay__cta:focus-visible,
.card-share-bar__btn:focus-visible {
  outline-color: rgba(255, 255, 255, 0.7);
  outline-offset: 2px;
}
.terminal-status-bar:focus-visible {
  outline-color: var(--tsb-color);
  outline-offset: -2px;
}
.toggle:focus-visible {
  outline-offset: 4px;
}

/* === Screen reader only === */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.p2 {
  font-family: var(--floating-ui-font-mono);
  font-size: 2.4rem; font-weight: 400; line-height: 1.3;
  text-transform: uppercase; letter-spacing: 0.05em;
}
@media (min-width: 1920px) { .p2 { font-size: 2.8rem; } }

/* === Layout === */
#scroller {
  position: absolute; left: 0; width: 100%; height: 100%;
  overflow-y: auto; scrollbar-width: none;
}
#scroller::-webkit-scrollbar { display: none; }

.start-screen-wrapper { position: relative; height: 300vh; }
.start-screen {
  position: sticky; top: 0;
  width: 100%; height: 100vh;
  overflow: hidden;
  color: var(--ui-text-primary);
  transition: background-color var(--transition), color var(--transition);
}

.start-screen__canvas-wrapper {
  width: 100%; height: 100%;
  position: absolute; left: 0; top: 0;
}
.start-screen__canvas-wrapper canvas { display: block; }

/* === Night mode label === */
.start-screen__mode-switcher {
  position: fixed; left: 50%; top: 50%;
  pointer-events: none;
  color: var(--ui-text-primary);
  transition: opacity var(--transition), color var(--transition);
}
.start-screen__mode-switcher.hidden { opacity: 0; }
.nightmode-label {
  display: flex; align-items: flex-end; gap: 0.8rem;
  white-space: nowrap; pointer-events: none; user-select: none;
}
.nightmode-label__icon { flex-shrink: 0; color: var(--ui-text-primary); }
.nightmode-label__icon path { fill: currentColor; }
.nightmode-label__text {
  color: var(--ui-text-secondary);
  font-family: var(--floating-ui-font-mono);
  font-size: 1.15rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* === Header === */
.start-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 4rem var(--container-padding);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  pointer-events: none;
}
.start-header > * { pointer-events: auto; }

.start-header__left { justify-self: start; }
.start-header__right { justify-self: end; }

.header-brand {
  display: flex; flex-direction: column; gap: 0.5rem;
}
.header-brand__title {
  font-family: var(--floating-ui-font-sans);
  font-size: 2.8rem; font-weight: 400; line-height: 1;
  text-transform: uppercase; letter-spacing: 0.08em;
}
@media (min-width: 1920px) { .header-brand__title { font-size: 3.2rem; } }

.header-link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0;
  font-family: var(--floating-ui-font-mono);
  font-size: 1.55rem;
  line-height: 1.1;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  transition: opacity 0.3s ease;
  opacity: 0.62;
}
.header-link.is-active {
  opacity: 1;
  color: var(--ui-link-active);
}
@media (hover: hover) { .header-link:hover { opacity: 1; } }

/* === Toggle (clean track + thumb) === */
.toggle {
  display: inline-flex; align-items: center; gap: 0.8rem;
  padding: 0.4rem;
  color: var(--ui-text-secondary);
  transition: opacity 0.3s ease;
  cursor: pointer;
}
@media (hover: hover) { .toggle:hover { opacity: 0.6; } }

.toggle__label {
  font-family: var(--floating-ui-font-mono);
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.toggle__track {
  position: relative;
  width: 4rem; height: 2rem;
  border-radius: 999px;
  border: 1px solid var(--ui-line);
  background: transparent;
  transition: border-color 0.3s ease;
}
.toggle__thumb {
  position: absolute;
  top: 0.3rem; left: 0.3rem;
  width: 1.2rem; height: 1.2rem;
  border-radius: 50%;
  background: var(--ui-text-primary);
  transition: transform 0.3s ease;
}
.toggle.active .toggle__thumb { transform: translateX(1.8rem); }

/* === Center CTA (CLI snippet, between TV and footer) === */
.center-cta {
  position: fixed;
  left: 50%; bottom: 14rem;
  transform: translateX(-50%)
             translateY(calc(var(--scroll-progress, 0) * 8rem));
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.center-cta.is-visible {
  opacity: calc(1 - var(--scroll-progress, 0) * 3);
}
.center-cta__label {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  font-family: var(--floating-ui-font-sans);
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--ui-text-muted);
  opacity: 0.7;
}
.center-cta__crab {
  width: auto;
  height: 1em;
}
.center-cta.is-visible .center-cta__label {
  animation: crabRedFlash 2.8s ease-out forwards;
}
@keyframes crabRedFlash {
  0%   { color: #991111; text-shadow: 0 0 6px rgba(180,20,20,0.5); }
  8%   { color: #cc1a1a; text-shadow: 0 0 10px rgba(200,30,30,0.7); }
  14%  { color: #991111; text-shadow: 0 0 4px rgba(180,20,20,0.4); }
  22%  { color: #cc1a1a; text-shadow: 0 0 8px rgba(200,30,30,0.6); }
  28%  { color: #991111; text-shadow: 0 0 6px rgba(180,20,20,0.5); }
  50%  { color: #991111; text-shadow: 0 0 4px rgba(180,20,20,0.3); }
  100% { color: var(--ui-text-muted); text-shadow: none; }
}
.center-cta__cli {
  display: inline-block;
  font-family: var(--floating-ui-font-mono);
  font-size: 1.3rem;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--ui-text-secondary);
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--ui-line);
  border-radius: 3px;
  cursor: pointer;
  pointer-events: auto;
  user-select: all;
  opacity: 0.7;
  transition: opacity 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
}
@media (hover: hover) {
  .center-cta__cli:hover {
    opacity: 1;
    border-color: var(--ui-line-strong);
  }
}
body.scene-focused .center-cta { opacity: 0; pointer-events: none; }
body.scrolled .center-cta__cli { pointer-events: none; }

/* === Footer === */
.start-screen__footer {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 100;
  padding: 4rem var(--container-padding);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  pointer-events: none;
  font-family: var(--floating-ui-font-mono);
  font-size: 1.25rem;
  line-height: 1.2;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.6;
}

.footer__left {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
  justify-self: start;
}
.footer__title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.footer__center {
  justify-self: center;
}
.footer__arrow {
  display: block;
  width: 0; height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-top: 10px solid var(--ui-text-primary);
  opacity: calc(1 * (1 - var(--scroll-progress, 0) * 3));
  filter: brightness(0.4);
  animation: footerArrowPulse 0.9s ease-in-out infinite;
}
@keyframes footerArrowPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}
.footer__right {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 1.6rem;
}
.footer__github {
  pointer-events: auto;
  color: var(--ui-text-secondary);
  opacity: 0.6;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
}
@media (hover: hover) {
  .footer__github:hover { opacity: 1; }
}
.clock {
  font-family: var(--floating-ui-font-mono);
  font-size: inherit;
  line-height: inherit;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}

.footer__byline {
  font-size: 1.05rem;
  line-height: 1.15;
  letter-spacing: 0.03em;
  text-transform: none;
  color: var(--ui-text-secondary);
}
.footer__byline-link {
  pointer-events: auto;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  color: inherit;
}
@media (hover: hover) {
  .footer__byline-link:hover { opacity: 0.8; }
}

/* === Permalink overlay === */
.permalink-overlay {
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 200;
  display: flex; flex-direction: column; align-items: center;
  padding: 2rem var(--container-padding) 4rem;
  gap: 1.6rem;
  background: linear-gradient(to top, rgba(16, 16, 17, 0.95) 0%, rgba(16, 16, 17, 0.6) 40%, transparent 100%);
  pointer-events: none;
}
.permalink-overlay__card-info {
  text-align: center;
  opacity: 0.5;
}
.permalink-overlay__label {
  font-size: 1.8rem; letter-spacing: 0.1em;
}
.permalink-overlay__cert {
  font-size: 1.4rem; opacity: 0.5; margin-top: 0.4rem;
}
.permalink-overlay__actions {
  display: flex; gap: 1.6rem; flex-wrap: wrap; justify-content: center;
}
.permalink-overlay__cta {
  all: unset; cursor: pointer; pointer-events: auto;
  display: flex; flex-direction: column; align-items: center;
  padding: 1.6rem 3.2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  background: rgba(16, 16, 17, 0.5);
  transition: border-color 0.3s ease, transform 0.2s ease, background 0.3s ease;
}
.permalink-overlay__cta:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(16, 16, 17, 0.7);
  transform: translateY(-2px);
}
.permalink-overlay__cta--share {
  border-color: rgba(255, 255, 255, 0.15);
}
.permalink-overlay__cta--share:hover {
  border-color: rgba(255, 255, 255, 0.5);
}
.permalink-overlay__cta-text {
  font-size: 2.4rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.permalink-overlay__cta-sub {
  font-family: var(--floating-ui-font-mono);
  font-size: 1.2rem; opacity: 0.4; margin-top: 0.4rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}

/* === Header CTA (permalink mode) === */
.header-cta {
  font-family: var(--floating-ui-font-mono);
  font-size: 1.5rem; font-weight: 400; line-height: 1.1;
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 0.4rem 0;
  transition: opacity 0.3s ease;
  color: #33ff88;
}
@media (hover: hover) { .header-cta:hover { opacity: 0.7; } }

/* === In-scene card share CTA === */
.card-share-bar {
  position: fixed;
  left: 50%;
  bottom: 11.2rem;
  transform: translateX(-50%);
  z-index: 210;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.card-share-bar__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.card-share-bar__btn {
  all: unset;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 4px;
  background: rgba(16, 16, 17, 0.62);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.card-share-bar__btn--secondary {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(16, 16, 17, 0.54);
}

.card-share-bar__btn:hover {
  border-color: rgba(255, 255, 255, 0.74);
  background: rgba(16, 16, 17, 0.76);
  transform: translateY(-2px);
}

.card-share-bar__btn:disabled {
  opacity: 0.45;
  pointer-events: none;
}

.card-share-bar__btn-text {
  font-size: 1.9rem;
}

.card-share-bar__ticker {
  font-family: var(--floating-ui-font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(136, 255, 204, 0.88);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.card-share-bar__ticker.is-visible {
  opacity: 1;
}

.card-share-bar__ticker--warn {
  color: rgba(255, 179, 102, 0.9);
}

/* === Permalink overlay — mobile === */
@media (max-width: 767px) {
  .p2 {
    font-size: 1.3rem;
    line-height: 1.15;
    letter-spacing: 0.04em;
  }

  .start-header {
    padding: 1.6rem var(--container-padding) 1.1rem;
    grid-template-columns: 1fr auto;
    column-gap: 0.9rem;
    align-items: center;
  }

  .header-brand__title {
    font-size: 1.85rem;
    letter-spacing: 0.05em;
  }

  .header-link {
    font-size: 1.22rem;
  }

  .toggle {
    gap: 0.5rem;
    padding: 0.2rem;
  }

  .toggle__label {
    font-size: 1.05rem;
  }

  .toggle__track {
    width: 3.2rem;
    height: 1.8rem;
  }

  .toggle__thumb {
    top: 0.25rem;
    left: 0.25rem;
    width: 1.1rem;
    height: 1.1rem;
  }

  .toggle.active .toggle__thumb {
    transform: translateX(1.3rem);
  }

  .start-screen__footer {
    padding: 1.2rem var(--container-padding) calc(1.2rem + env(safe-area-inset-bottom));
    font-size: 1rem;
    letter-spacing: 0.05em;
    opacity: 0.52;
  }
  .footer__byline {
    font-size: 0.85rem;
    letter-spacing: 0.02em;
  }
  .footer__arrow {
    border-left-width: 8px;
    border-right-width: 8px;
    border-top-width: 9px;
  }

  .center-cta {
    bottom: 10rem;
  }
  .center-cta__cli {
    font-size: 1.05rem;
    padding: 0.5rem 1rem;
  }

  body.mobile-ui-compact .start-screen__footer {
    padding-top: 0.8rem;
    padding-bottom: calc(0.8rem + env(safe-area-inset-bottom));
    font-size: 0.92rem;
  }

  .card-share-bar {
    bottom: 8.8rem;
  }

  .card-share-bar__actions {
    gap: 0.8rem;
  }

  .card-share-bar__btn {
    padding: 1rem 2rem;
  }

  .card-share-bar__btn-text {
    font-size: 1.6rem;
  }

  .permalink-overlay {
    padding: 1.6rem var(--container-padding) 2.4rem;
    gap: 1.2rem;
  }
  .permalink-overlay__cta {
    padding: 1.2rem 2.4rem;
  }
  .permalink-overlay__cta-text {
    font-size: 2rem;
  }
  .permalink-overlay__label {
    font-size: 1.6rem;
  }
  .permalink-overlay__cert {
    font-size: 1.2rem;
  }
}

/* === Terminal status bar (mobile CRT escape hatch) === */
.terminal-status-bar {
  --tsb-color: rgba(51, 255, 136, 0.85);
  --tsb-glow: rgba(51, 255, 136, 0.4);
  --tsb-border: rgba(51, 255, 136, 0.18);
  --tsb-bg: rgba(10, 13, 10, 0.92);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 205;
  display: flex;
  align-items: center;
  padding: 0.8rem var(--container-padding);
  padding-bottom: calc(0.8rem + env(safe-area-inset-bottom));
  background: var(--tsb-bg);
  border-top: 1px solid var(--tsb-border);
  font-family: "Courier New", monospace;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tsb-color);
  cursor: pointer;
  pointer-events: auto;
  text-shadow: 0 0 6px var(--tsb-glow);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
:root.ui-dark .terminal-status-bar {
  --tsb-color: rgba(255, 170, 51, 0.85);
  --tsb-glow: rgba(255, 170, 51, 0.4);
  --tsb-border: rgba(255, 170, 51, 0.18);
  --tsb-bg: rgba(13, 9, 8, 0.92);
}
.terminal-status-bar:active {
  opacity: 0.7;
}

/* Force-hide elements with [hidden] even when inline styles override */
[hidden] {
  display: none !important;
}

#hiddenInput {
  position: fixed; left: -9999px; top: -9999px;
  opacity: 0; width: 1px; height: 1px;
}

/* ══════════════════════════════════════════════════════════════════
   HOLO CARD — DOM overlay card (shared by HoloCard.js + card-lab-v2)
   Pokemon-cards-css style: CSS holo overlays with spring physics
   ══════════════════════════════════════════════════════════════════ */

.holo-card-wrap {
  perspective: 800px;
  position: relative;
}
.holo-card-wrap::after {
  content: '';
  position: absolute;
  inset: -80px;
  background: radial-gradient(circle, var(--card-glow, rgba(51,255,136,0.1)), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.holo-card {
  position: relative;
  transform-style: preserve-3d;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  will-change: transform;
  background: #050505;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 1px rgba(255,255,255,0.1);
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;

  --mx: 50%;
  --my: 50%;
  --angle: 130deg;
  --card-opacity: 0;
  --pointer-from-center: 0;
  --pointer-from-left: 0.5;
  --pointer-from-top: 0.5;
  --bg-x: 50%;
  --bg-y: 50%;
}
.holo-card canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.holo-card .card-shine,
.holo-card .card-glare,
.holo-card .card-foil,
.holo-card .card-sparkle {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
}

/* ── SHINE: rainbow holo ── */
.holo-card .card-shine {
  background-image:
    repeating-linear-gradient(
      var(--angle, 130deg),
      hsla(0,90%,60%,.4), hsla(50,90%,55%,.3),
      hsla(100,90%,55%,.4), hsla(150,90%,55%,.3),
      hsla(200,90%,60%,.4), hsla(250,90%,55%,.3),
      hsla(300,90%,55%,.4), hsla(340,90%,55%,.3),
      hsla(360,90%,60%,.4)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0,0,0,0.2) 0px, rgba(0,0,0,0.2) 1px,
      transparent 1px, transparent 3px
    );
  background-size: 400% 400%, cover;
  background-position:
    calc(((50% - var(--bg-x)) * 2.6) + 50%) calc(((50% - var(--bg-y)) * 3.5) + 50%),
    center center;
  background-blend-mode: overlay;
  mix-blend-mode: color-dodge;
  filter: brightness(calc((var(--pointer-from-center) * 0.5) + 0.4))
          contrast(2.5) saturate(0.7);
  opacity: var(--card-opacity);
  transition: opacity 0.4s ease;
}
.holo-card .card-shine::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    farthest-corner circle at var(--mx) var(--my),
    hsla(0, 0%, 100%, 0.3) 5%,
    hsla(0, 0%, 100%, 0.1) 25%,
    transparent 60%
  );
  mix-blend-mode: overlay;
  opacity: var(--card-opacity);
}

/* ── Prism ── */
.holo-card.holo-prism .card-shine {
  background-image:
    conic-gradient(
      from var(--angle, 0deg) at var(--mx, 50%) var(--my, 50%),
      hsla(0,90%,55%,.5), hsla(60,90%,55%,.35),
      hsla(120,90%,55%,.5), hsla(180,90%,55%,.35),
      hsla(240,90%,55%,.5), hsla(300,90%,55%,.35),
      hsla(360,90%,55%,.5)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0,0,0,0.15) 0px, rgba(0,0,0,0.15) 1px,
      transparent 1px, transparent 3px
    );
  background-size: cover, cover;
  background-position: center, center;
}

/* ── Aurora ── */
.holo-card.holo-aurora .card-shine {
  background-image:
    linear-gradient(
      calc(170deg + var(--angle, 0deg) * 0.15),
      hsla(120,80%,45%,.45) 0%, hsla(160,85%,50%,.3) 20%,
      hsla(190,90%,55%,.35) 40%, transparent 55%,
      hsla(260,75%,50%,.3) 70%, hsla(290,70%,45%,.25) 85%,
      transparent 100%
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0,0,0,0.12) 0px, rgba(0,0,0,0.12) 1px,
      transparent 1px, transparent 4px
    );
  background-size: 300% 300%, cover;
  background-position:
    calc(((50% - var(--bg-x)) * 1.8) + 50%) calc(((50% - var(--bg-y)) * 2.0) + 50%),
    center center;
}

/* ── Duochrome ── */
.holo-card.holo-duochrome .card-shine {
  background-image:
    linear-gradient(
      var(--angle, 130deg),
      var(--duo-1, hsla(320,80%,50%,.5)) 0%,
      transparent 25%, transparent 75%,
      var(--duo-2, hsla(180,80%,50%,.5)) 100%
    ),
    repeating-linear-gradient(
      calc(var(--angle, 0deg) + 45deg),
      transparent 0px, transparent 2px,
      rgba(255,255,255,0.05) 2px, rgba(255,255,255,0.05) 3px
    );
  background-size: 300% 300%, cover;
  background-position:
    calc(((50% - var(--bg-x)) * 3.0) + 50%) calc(((50% - var(--bg-y)) * 3.0) + 50%),
    center center;
}

/* ── GLARE ── */
.holo-card .card-glare {
  background: radial-gradient(
    farthest-corner circle at var(--mx, 50%) var(--my, 50%),
    hsla(0, 0%, 100%, 0.7) 5%,
    hsla(0, 0%, 100%, 0.5) 15%,
    hsla(0, 0%, 100%, 0.1) 35%,
    hsla(0, 0%, 0%, 0.3) 80%
  );
  mix-blend-mode: overlay;
  opacity: calc(var(--card-opacity) * (0.25 + var(--pointer-from-center) * 0.6));
  transition: opacity 0.35s ease;
}

/* ── FOIL ── */
.holo-card .card-foil {
  background:
    repeating-linear-gradient(
      calc(var(--angle, 0deg) + 90deg),
      transparent 0px, transparent 2px,
      rgba(255,255,255,0.06) 2px, rgba(255,255,255,0.06) 3px
    ),
    repeating-linear-gradient(
      calc(var(--angle, 0deg)),
      transparent 0px, transparent 4px,
      rgba(255,255,255,0.02) 4px, rgba(255,255,255,0.02) 5px
    );
  mix-blend-mode: overlay;
  opacity: calc(var(--card-opacity) * 0.8);
  transition: opacity 0.4s ease;
}

/* ── SPARKLE ── */
.holo-card .card-sparkle {
  background-image: radial-gradient(
    circle at var(--mx, 50%) var(--my, 50%),
    hsla(0, 0%, 100%, 0.15) 0%,
    transparent 50%
  );
  mix-blend-mode: color-dodge;
  opacity: calc(var(--card-opacity) * var(--pointer-from-center) * var(--holo-intensity, 0.5));
  transition: opacity 0.3s ease;
}