/* Premium deterministic fallback art for an unavailable song image.
   It is deliberately limited to explicit fallback hosts and never changes
   media URLs, card dimensions or the primary player controls. */

.kb-fallback-art-host,
.kb-fallback-poster-host {
  position: relative;
  isolation: isolate;
}

.kb-fallback-art-host {
  display: block;
}

.kb-fallback-art {
  --kb-fallback-a: #220d35;
  --kb-fallback-b: #7a2579;
  --kb-fallback-c: #f2a44b;
  position: absolute;
  z-index: 1;
  inset: 0;
  display: none;
  min-width: 0;
  min-height: 0;
  padding: clamp(8px, 5%, 18px);
  overflow: hidden;
  color: #fff9f2;
  background: linear-gradient(140deg, var(--kb-fallback-a), var(--kb-fallback-b));
  background:
    radial-gradient(circle at 83% 18%, color-mix(in srgb, var(--kb-fallback-c) 84%, transparent) 0 5%, transparent 30%),
    linear-gradient(140deg, var(--kb-fallback-a), var(--kb-fallback-b));
  box-sizing: border-box;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 4px;
  pointer-events: none;
  text-align: left;
  text-shadow: 0 1px 2px rgb(0 0 0 / 42%);
}

.kb-fallback-art.is-active {
  display: flex;
}

.kb-fallback-art::before,
.kb-fallback-art::after {
  position: absolute;
  z-index: -1;
  content: "";
  display: block;
  border-radius: 999px;
  pointer-events: none;
}

.kb-fallback-art::before {
  width: 74%;
  height: 160%;
  top: -85%;
  right: -25%;
  border: 2px solid rgb(255 255 255 / 18%);
  box-shadow: -28px 42px 0 -1px rgb(255 255 255 / 9%), -56px 84px 0 -1px rgb(255 255 255 / 7%);
  transform: rotate(-20deg);
}

.kb-fallback-art::after {
  width: 26%;
  height: 44%;
  left: 12%;
  bottom: 17%;
  background: color-mix(in srgb, var(--kb-fallback-c) 82%, transparent);
  filter: blur(1px);
  opacity: .6;
}

.kb-fallback-art--v1 { --kb-fallback-a: #190f3a; --kb-fallback-b: #51359a; --kb-fallback-c: #efad65; }
.kb-fallback-art--v2 { --kb-fallback-a: #2c112d; --kb-fallback-b: #ab3d69; --kb-fallback-c: #f8be62; }
.kb-fallback-art--v3 { --kb-fallback-a: #0d2535; --kb-fallback-b: #136d74; --kb-fallback-c: #ecc46d; }
.kb-fallback-art--v4 { --kb-fallback-a: #272018; --kb-fallback-b: #8b5930; --kb-fallback-c: #ffd47e; }
.kb-fallback-art--v5 { --kb-fallback-a: #241236; --kb-fallback-b: #7a397d; --kb-fallback-c: #8ad5ca; }
.kb-fallback-art--v6 { --kb-fallback-a: #16223e; --kb-fallback-b: #276490; --kb-fallback-c: #f5a770; }

.kb-fallback-art-eyebrow,
.kb-fallback-art-title {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.kb-fallback-art-eyebrow {
  color: rgb(255 255 255 / 84%);
  font-size: clamp(9px, 3.2vw, 12px);
  font-weight: 700;
  letter-spacing: .07em;
  line-height: 1.15;
}

.kb-fallback-art-title {
  font-size: clamp(12px, 4.1vw, 20px);
  font-weight: 700;
  line-height: 1.18;
}

.kb-fallback-art-image-hidden {
  opacity: 0 !important;
}

.kb-fallback-poster-host {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
}

.kb-fallback-poster-host[aria-hidden="true"] {
  display: none;
}

.embed-responsive > video.kb-fallback-poster-video-hidden {
  visibility: hidden;
}

.embed-responsive .kb-fallback-poster-host .kb-fallback-art {
  border-radius: inherit;
}

.video-list-image .kb-fallback-art-host .play_hover_btn,
.video-list-image .kb-fallback-art-host .duration,
.video-thumb .kb-fallback-art-host .play_hover_btn,
.video-thumb .kb-fallback-art-host .video-duration {
  position: relative;
  z-index: 2;
}

@media (prefers-reduced-motion: reduce) {
  .kb-fallback-art,
  .kb-fallback-art::before,
  .kb-fallback-art::after {
    transition: none !important;
    animation: none !important;
  }
}