/* FreedomCore universal fusion switcher.
   Shared by Hub / Maverick / Shadow / Arena / Quantum. */
.fc-fusion-switcher {
  width: min(var(--max, 1180px), calc(100% - 32px));
  margin: clamp(34px, 7vw, 76px) auto;
  padding: clamp(18px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-large, 18px);
  background:
    radial-gradient(circle at 50% 20%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 32rem),
    linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 88%, transparent), color-mix(in srgb, var(--panel) 92%, transparent));
  box-shadow: var(--shadow, 0 18px 70px rgba(0, 0, 0, 0.24));
}

.fc-fusion-heading {
  display: grid;
  gap: 8px;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.fc-fusion-heading__eyebrow {
  margin: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.fc-fusion-heading h2 {
  margin: 0;
  color: var(--text);
  font-family: var(--sans);
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.fc-fusion-heading p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(0.98rem, 2vw, 1.12rem);
  line-height: 1.6;
}

.fc-fusion-core {
  position: relative;
  --fusion-radius: 44;
  width: clamp(280px, 68vw, 540px);
  height: clamp(280px, 68vw, 540px);
  margin: clamp(24px, 5vw, 48px) auto 22px;
  perspective: 1300px;
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

.fc-fusion-core.is-dragging { cursor: grabbing; }

.fusion-halo {
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  background: radial-gradient(closest-side,
    color-mix(in srgb, var(--accent) 24%, transparent),
    color-mix(in srgb, var(--accent) 7%, transparent) 58%,
    transparent 78%);
  filter: blur(56px);
  pointer-events: none;
}

.fusion-plane {
  position: absolute;
  inset: 0;
  transform: rotateX(62deg);
  transform-style: preserve-3d;
  pointer-events: none;
}

.fusion-ring {
  position: absolute;
  inset: 0;
  border: 1px dashed color-mix(in srgb, var(--accent) 42%, transparent);
  border-radius: 50%;
}

.fusion-ring:nth-child(2) {
  inset: 12%;
  opacity: 0.58;
}

.fusion-ring:nth-child(3) {
  inset: 24%;
  opacity: 0.68;
}

.fusion-fieldlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  transform: rotate(var(--rot, 0deg));
  will-change: transform;
}

.fusion-fieldline {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1px;
  height: 44%;
  transform-origin: 0 0;
  background: linear-gradient(to top, transparent, color-mix(in srgb, var(--accent) 14%, transparent), transparent);
}

.fusion-center {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: clamp(116px, 28%, 170px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid color-mix(in srgb, var(--accent) 62%, white 12%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 25%, rgba(255,255,255,0.75), transparent 18%),
    radial-gradient(circle at 50% 52%, color-mix(in srgb, var(--accent) 82%, white 8%), color-mix(in srgb, var(--accent) 46%, black 54%) 68%, color-mix(in srgb, var(--bg) 92%, black 8%));
  box-shadow:
    0 0 38px color-mix(in srgb, var(--accent) 42%, transparent),
    inset 0 0 24px color-mix(in srgb, white 24%, transparent);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.fusion-center img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.fusion-center__fallback,
.fusion-center__label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--text);
  font-family: var(--sans);
  font-size: clamp(1.55rem, 4vw, 2.45rem);
  font-weight: 950;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5), 0 0 20px color-mix(in srgb, var(--accent) 42%, transparent);
}

.fusion-center img + .fusion-center__fallback { display: none; }

.fusion-center__tag {
  position: absolute;
  left: 50%;
  bottom: 16%;
  transform: translateX(-50%);
  z-index: 2;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 850;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
}

.fusion-orbiters {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.fusion-node {
  position: absolute;
  width: clamp(64px, 14%, 88px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 2px solid var(--node-color, var(--accent));
  border-radius: 50%;
  background: var(--bg-2);
  box-shadow: 0 0 22px var(--node-glow, color-mix(in srgb, var(--accent) 45%, transparent));
  color: var(--node-color, var(--accent));
  text-decoration: none;
  overflow: visible;
  pointer-events: auto;
  cursor: pointer;
  transition: scale 0.22s ease, box-shadow 0.22s ease;
}

.fusion-node:hover,
.fusion-node:focus-visible {
  scale: 1.12;
  outline: none;
  box-shadow: 0 0 34px var(--node-color, var(--accent)), inset 0 0 14px color-mix(in srgb, white 25%, transparent);
}

.fusion-node__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  pointer-events: none;
}

.fusion-node__mark {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: color-mix(in srgb, var(--node-color, var(--accent)) 12%, var(--bg) 88%);
  color: var(--node-color, var(--accent));
  font-family: var(--sans);
  font-size: 1.35rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-shadow: 0 0 16px var(--node-glow, color-mix(in srgb, var(--accent) 45%, transparent));
}

.fusion-node__img + .fusion-node__mark { display: none; }

.fusion-node__tag {
  position: absolute;
  left: 50%;
  bottom: -25px;
  transform: translateX(-50%);
  padding: 5px 10px;
  border: 1px solid var(--node-color, var(--accent));
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--node-color, var(--accent));
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 850;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  box-shadow: 0 0 14px var(--node-glow, color-mix(in srgb, var(--accent) 35%, transparent));
}

.fusion-hint {
  margin: 0;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-align: center;
  text-transform: uppercase;
}

@media (max-width: 640px) {
  .fc-fusion-switcher {
    width: calc(100% - 24px);
    padding: 18px 12px 24px;
  }

  .fc-fusion-core {
    --fusion-radius: 32;
    width: min(100%, 310px);
    height: min(80vw, 310px);
    margin-bottom: 42px;
  }

  .fusion-node__tag {
    bottom: -20px;
    padding: 4px 8px;
    font-size: 0.45rem;
    letter-spacing: 0.1em;
  }

  .fusion-hint {
    max-width: calc(100vw - 56px);
    margin-inline: auto;
    line-height: 1.7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fc-fusion-core,
  .fusion-fieldlines,
  .fusion-node {
    transition: none !important;
    animation: none !important;
  }
}