/* Generated covers for corpus files without a picture, and the SoundCloud/YouTube promo banners.
   (The glass/tilt card effect was removed on 2026-10-25 at the user's request.) */
/* generated covers for files that have no picture: each gets its own hue from --g */
:is(#library,#fromx) .card .thumb.gen{position:relative;overflow:hidden;--h:calc(var(--g,1) * 47 + 160);display:flex;align-items:flex-end;justify-content:flex-start;padding:1.1rem 1.25rem;
  background:
    radial-gradient(120% 140% at 100% 0%,hsl(var(--h) 85% 55% / .45),transparent 55%),
    radial-gradient(90% 120% at 0% 100%,hsl(calc(var(--h) + 70) 80% 50% / .35),transparent 60%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.035) 0 1px,transparent 1px 14px),
    linear-gradient(160deg,hsl(var(--h) 45% 14%),#05090c)}
:is(#library,#fromx) .card .thumb.gen::before{content:'';position:absolute;right:1.1rem;top:1rem;width:3.2rem;height:3.2rem;border-radius:50%;
  border:1.5px solid hsl(var(--h) 90% 75% / .55);box-shadow:0 0 24px hsl(var(--h) 90% 60% / .45),inset 0 0 18px hsl(var(--h) 90% 60% / .3)}
:is(#library,#fromx) .card .thumb.gen::after{content:'';position:absolute;right:2.15rem;top:2.05rem;width:1.1rem;height:1.1rem;border-radius:50%;background:hsl(var(--h) 95% 75%);
  box-shadow:0 0 14px hsl(var(--h) 95% 65%)}
:is(#library,#fromx) .card .thumb.gen span{position:relative;max-width:78%;font-family:var(--display);font-size:clamp(1.15rem,2vw,1.6rem);font-weight:800;
  line-height:1.1;letter-spacing:-.01em;text-transform:none;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.6)}

/* promo banners: SoundCloud (#studio) and YouTube (#continued) */
.promo{--pc:#ff5500;--pc2:#ff9a3c;position:relative;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:1.4rem;margin-top:2rem;
  padding:1.3rem 1.5rem;border-radius:18px;text-decoration:none;color:var(--text);overflow:hidden;isolation:isolate;
  background:linear-gradient(120deg,color-mix(in srgb,var(--pc) 22%,#071015),#071015 55%,color-mix(in srgb,var(--pc2) 14%,#071015));
  border:1px solid color-mix(in srgb,var(--pc) 45%,transparent);
  box-shadow:0 14px 44px rgba(0,0,0,.5),0 0 34px color-mix(in srgb,var(--pc) 22%,transparent),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .25s cubic-bezier(.2,.7,.3,1),box-shadow .25s}
.promo.yt{--pc:#ff0033;--pc2:#a78bfa}
.promo::before{content:'';position:absolute;inset:-40%;z-index:-1;background:conic-gradient(from 0deg,transparent,color-mix(in srgb,var(--pc) 30%,transparent),transparent 30%);animation:promoSpin 9s linear infinite;opacity:.55}
.promo:hover,.promo:focus-visible{transform:translateY(-3px);box-shadow:0 20px 54px rgba(0,0,0,.6),0 0 48px color-mix(in srgb,var(--pc) 38%,transparent),inset 0 1px 0 rgba(255,255,255,.12)}
.promo:focus-visible{outline:2px solid var(--pc);outline-offset:3px}
.promo img{width:5.2rem;height:5.2rem;border-radius:14px;object-fit:cover;box-shadow:0 0 0 2px color-mix(in srgb,var(--pc) 70%,transparent),0 8px 22px rgba(0,0,0,.5)}
.promo.yt img{border-radius:50%}
.promo .pk{display:flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--pc2)}
.promo .pk svg{width:1.05rem;height:1.05rem;fill:var(--pc)}
.promo b{display:block;margin-top:.35rem;font-family:var(--display);font-size:clamp(1.05rem,1.8vw,1.35rem);font-weight:800;line-height:1.2;color:#fff}
.promo .pd{display:block;margin-top:.35rem;font-size:.86rem;color:var(--sub)}
.promo .cta{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.15rem;border-radius:999px;font-weight:700;font-size:.9rem;color:#fff;white-space:nowrap;
  background:linear-gradient(135deg,var(--pc),var(--pc2));box-shadow:0 6px 20px color-mix(in srgb,var(--pc) 45%,transparent),inset 0 1px 0 rgba(255,255,255,.4)}
.promo .wave{position:absolute;right:1.6rem;bottom:.35rem;display:flex;gap:3px;align-items:flex-end;height:1.6rem;opacity:.35;z-index:-1}
.promo .wave i{width:3px;border-radius:2px;background:var(--pc);animation:promoBar 1.1s ease-in-out infinite}
.promo .wave i:nth-child(odd){animation-delay:-.4s}.promo .wave i:nth-child(3n){animation-delay:-.7s}
@keyframes promoSpin{to{transform:rotate(360deg)}}
@keyframes promoBar{0%,100%{height:20%}50%{height:100%}}
@media (max-width:700px){.promo{grid-template-columns:auto 1fr;padding:1.1rem}.promo .cta{grid-column:1/-1;justify-content:center}.promo img{width:3.8rem;height:3.8rem}.promo .wave{display:none}}
@media (prefers-reduced-motion:reduce){.promo::before,.promo .wave i{animation:none}.promo,.promo:hover{transition:none;transform:none}}