/* Grafiken der Lösungsseiten (wird von LoesungFigure geladen). Präfix gfu-lf-, keine Abhängigkeit von Tailwind. */
.gfu-lf {
  margin: 0;
  border-radius: 24px;
  border: 1px solid oklch(0.922 0 0);
  background: linear-gradient(180deg, #f6fbfd, #ffffff);
  padding: 28px;
}
.gfu-lf__cap {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: oklch(38% 0.03 264.7);
}
.gfu-lf__node {
  border-radius: 16px;
  background: #fff;
  border: 1px solid oklch(0.9 0 0);
  padding: 14px 16px;
  box-shadow: 0 6px 18px rgba(13, 24, 48, 0.06);
  min-width: 0;
}
.gfu-lf__node b {
  display: block;
  font-size: 15px;
  line-height: 1.3;
}
.gfu-lf__node small {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.35;
  color: oklch(40% 0.03 264.7);
}
.gfu-lf__ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #e5f6fb;
  color: #0b6e8c;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.gfu-lf__radio {
  display: grid;
  grid-template-columns: minmax(0, 150px) minmax(0, 1fr) minmax(0, 150px);
  gap: 10px;
  align-items: center;
}
.gfu-lf__paths {
  display: grid;
  grid-template-columns: minmax(0, 170px) minmax(0, 1fr) minmax(0, 170px);
  gap: 12px;
  align-items: center;
}
.gfu-lf__prow + .gfu-lf__prow {
  margin-top: 14px;
}
.gfu-lf__plabel {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  line-height: 1.3;
  text-align: center;
}
.gfu-lf__state {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}
.gfu-lf__wdm {
  display: grid;
  grid-template-columns: auto auto minmax(40px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
}
.gfu-lf__chans {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.gfu-lf__chan {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.gfu-lf__chan i {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
  flex-shrink: 0;
}
.gfu-lf__mux {
  border-radius: 14px;
  background: oklch(20.1% 0.05 264.7);
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  padding: 16px 10px;
  text-align: center;
  line-height: 1.25;
}
.gfu-lf__fiber {
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    #0fc1f3,
    #9ad65a,
    #f2b33d,
    #b47cf5,
    #0fc1f3
  );
  background-size: 200% 100%;
  animation: gfu-lf-fib 4s linear infinite;
}
@keyframes gfu-lf-fib {
  to {
    background-position: 200% 0;
  }
}
.gfu-lf__mesh {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, auto);
  gap: 18px 14px;
  align-items: center;
}
.gfu-lf__mesh > svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.gfu-lf__mesh .gfu-lf__node {
  position: relative;
  z-index: 1;
  text-align: center;
}
.gfu-lf__mc {
  grid-column: 2;
  grid-row: 2;
  background: oklch(20.1% 0.05 264.7) !important;
  color: #fff;
  border-color: transparent !important;
  padding: 18px 12px !important;
}
.gfu-lf__mc small {
  color: rgba(255, 255, 255, 0.75) !important;
}
.gfu-lf__flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}
.gfu-lf__flow li {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 0 6px;
}
.gfu-lf__flow .gfu-lf__ico {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid oklch(0.9 0 0);
  box-shadow: 0 6px 18px rgba(13, 24, 48, 0.06);
  position: relative;
  z-index: 1;
}
.gfu-lf__flow .gfu-lf__ico--hi {
  background: oklch(20.1% 0.05 264.7);
  color: #fff;
  border-color: transparent;
}
.gfu-lf__flow span.t {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
}
.gfu-lf__flow li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 27px;
  left: calc(50% + 34px);
  right: calc(-50% + 34px);
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    #0fc1f3 0 8px,
    transparent 8px 14px
  );
  background-size: 28px 2px;
  animation: gfu-lf-flowx 1.2s linear infinite;
}
@keyframes gfu-lf-flowx {
  to {
    background-position: 28px 0;
  }
}
.gfu-lf .pulse {
  stroke-dasharray: 14 86;
  animation: gfu-lf-dash 2.4s linear infinite;
}
.gfu-lf .pulse.d1 {
  animation-delay: -0.8s;
}
.gfu-lf .pulse.d2 {
  animation-delay: -1.6s;
}
@keyframes gfu-lf-dash {
  from {
    stroke-dashoffset: 100;
  }
  to {
    stroke-dashoffset: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .gfu-lf .pulse,
  .gfu-lf__fiber,
  .gfu-lf__flow li::after {
    animation: none;
  }
}
@media (max-width: 760px) {
  .gfu-lf {
    padding: 18px;
  }
  .gfu-lf__radio {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 6px;
  }
  .gfu-lf__radio .gfu-lf__node {
    padding: 10px;
  }
  .gfu-lf__radio .gfu-lf__node small {
    display: none;
  }
  .gfu-lf__paths {
    grid-template-columns: minmax(0, 1fr);
  }
  .gfu-lf__wdm {
    grid-template-columns: minmax(0, 1fr);
    justify-items: center;
  }
  .gfu-lf__chans {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }
  .gfu-lf__fiber {
    width: 14px;
    height: 56px;
    background: linear-gradient(180deg, #0fc1f3, #9ad65a, #f2b33d, #b47cf5);
  }
  .gfu-lf__mesh {
    gap: 14px 8px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.5fr) minmax(0, 1fr);
  }
  .gfu-lf__mesh .gfu-lf__node {
    padding: 10px 6px;
  }
  .gfu-lf__mesh .gfu-lf__node b {
    font-size: 13px;
  }
  .gfu-lf__mesh .gfu-lf__node small {
    display: none;
  }
  .gfu-lf__mc {
    grid-column: 1/-1 !important;
    justify-self: center;
    max-width: 70%;
  }
  .gfu-lf__flow {
    flex-direction: column;
    gap: 18px;
  }
  .gfu-lf__flow li {
    flex-direction: row;
    text-align: left;
    padding: 0;
  }
  .gfu-lf__flow .gfu-lf__ico {
    width: 48px;
    height: 48px;
  }
  .gfu-lf__flow li:not(:last-child)::after {
    top: 52px;
    left: 23px;
    right: auto;
    width: 2px;
    height: calc(100% - 34px);
    background: repeating-linear-gradient(
      180deg,
      #0fc1f3 0 8px,
      transparent 8px 14px
    );
    background-size: 2px 28px;
    animation: none;
  }
}