/* PersonaAvatar — mentor identity for Infinity Core System */

.persona-avatar {
  --pa-size: 52px;
  --pa-border: rgba(123, 77, 255, 0.35);
  --pa-glow: rgba(123, 77, 255, 0.35);
  --pa-fallback-bg: #171C26;
  --pa-fallback-fg: #d4c4ff;

  position: relative;
  display: inline-grid;
  place-items: center;
  width: var(--pa-size);
  height: var(--pa-size);
  flex-shrink: 0;
  border-radius: 50%;
  isolation: isolate;
}

.persona-avatar[data-accent="violet"] {
  --pa-border: rgba(123, 77, 255, 0.35);
  --pa-glow: rgba(123, 77, 255, 0.4);
  --pa-fallback-bg: #171C26;
  --pa-fallback-fg: #d8c7ff;
}

.persona-avatar[data-accent="amber"] {
  --pa-border: rgba(123, 77, 255, 0.32);
  --pa-glow: rgba(255, 138, 0, 0.28);
  --pa-fallback-bg: #171C26;
  --pa-fallback-fg: #e8d4b0;
}

.persona-avatar[data-accent="intense"] {
  --pa-border: rgba(167, 139, 250, 0.4);
  --pa-glow: rgba(123, 77, 255, 0.45);
  --pa-fallback-bg: #171C26;
  --pa-fallback-fg: #e9d5ff;
}

.persona-avatar[data-accent="cool"] {
  --pa-border: rgba(121, 160, 255, 0.38);
  --pa-glow: rgba(123, 77, 255, 0.35);
  --pa-fallback-bg: #171C26;
  --pa-fallback-fg: #b8d0f5;
}

.persona-avatar-glow {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--pa-glow), transparent 68%);
  opacity: 0.55;
  z-index: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-premium, ease), transform 300ms var(--ease-premium, ease);
}

.persona-avatar-fallback,
.persona-avatar-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid var(--pa-border);
  box-sizing: border-box;
  transition: transform 300ms var(--ease-premium, ease);
}

.persona-avatar-fallback {
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 40% 35%, rgba(255, 255, 255, 0.06), transparent 55%),
    var(--pa-fallback-bg);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.persona-avatar-initial {
  font-family: var(--font-display, "Sora", system-ui, sans-serif);
  font-size: calc(var(--pa-size) * 0.38);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pa-fallback-fg);
  line-height: 1;
  user-select: none;
}

.persona-avatar-img {
  display: block;
  object-fit: cover;
  object-position: center top;
  background: #080B0F;
  box-shadow: 0 0 18px var(--pa-glow);
}

.persona-avatar.is-loaded .persona-avatar-fallback {
  display: none;
}

.persona-avatar.is-fallback .persona-avatar-img {
  display: none;
}

/* Host card hover — driven by parent .eco-module */
.eco-module:hover .persona-avatar .persona-avatar-img,
.eco-module:hover .persona-avatar .persona-avatar-fallback,
.eco-module.is-on .persona-avatar .persona-avatar-img,
.eco-module.is-on .persona-avatar .persona-avatar-fallback,
.eco-module:focus-visible .persona-avatar .persona-avatar-img,
.eco-module:focus-visible .persona-avatar .persona-avatar-fallback {
  transform: scale(1.05);
}

.eco-module:hover .persona-avatar-glow,
.eco-module.is-on .persona-avatar-glow,
.eco-module:focus-visible .persona-avatar-glow {
  opacity: 0.9;
  transform: scale(1.08);
}

@media (max-width: 768px) {
  .persona-avatar {
    --pa-size: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .persona-avatar-glow,
  .persona-avatar-fallback,
  .persona-avatar-img {
    transition: none;
  }

  .eco-module:hover .persona-avatar .persona-avatar-img,
  .eco-module:hover .persona-avatar .persona-avatar-fallback,
  .eco-module.is-on .persona-avatar .persona-avatar-img,
  .eco-module.is-on .persona-avatar .persona-avatar-fallback {
    transform: none;
  }
}