:root {
  --avatar-size: 72px;
  --avatar-border-width: 3px;
  --avatar-border-color: var(--theme-color-primary, #b899d2);
  --avatar-ring-color: rgba(205, 174, 226, .28);
  --avatar-surface: linear-gradient(145deg, #8f71a8, #574368);
  --avatar-text-color: #fff;
  --avatar-shadow: 0 10px 28px rgba(20, 12, 29, .28);
}

:root[data-companion-theme="day"] {
  --avatar-border-color: var(--theme-color-primary, #76618a);
  --avatar-ring-color: rgba(118, 97, 138, .18);
  --avatar-surface: linear-gradient(145deg, #b49bc5, #76618a);
  --avatar-shadow: 0 9px 24px rgba(71, 52, 84, .15);
}

:root[data-companion-theme="night"] {
  --avatar-border-color: var(--theme-color-primary, #b899d2);
  --avatar-ring-color: rgba(205, 174, 226, .3);
  --avatar-surface: linear-gradient(145deg, #9273ad, #4c395d);
  --avatar-shadow: 0 10px 28px rgba(13, 8, 20, .34);
}

.companion-avatar {
  position: relative;
  display: grid;
  width: var(--avatar-size);
  height: var(--avatar-size);
  flex: 0 0 var(--avatar-size);
  place-items: center;
  overflow: hidden;
  border: var(--avatar-border-width) solid var(--avatar-border-color);
  border-radius: 50%;
  color: var(--avatar-text-color);
  background: var(--avatar-surface);
  box-shadow: var(--avatar-shadow);
  font-family: var(--theme-font-family, sans-serif);
  font-weight: 700;
  isolation: isolate;
}

.companion-avatar img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: var(--avatar-crop-x, 50%) var(--avatar-crop-y, 50%);
  transform:
    translate(-50%, -50%)
    scale(var(--avatar-zoom, 1));
  transform-origin: var(--avatar-crop-x, 50%) var(--avatar-crop-y, 50%);
}

.companion-avatar__fallback {
  position: relative;
  z-index: 0;
  font-size: calc(var(--avatar-size) * .34);
}

.companion-avatar[data-avatar-shape="rounded"] { border-radius: 24%; }
.companion-avatar[data-avatar-shape="square"] { border-radius: 8%; }

.companion-avatar[data-avatar-border="moon"] {
  box-shadow:
    0 0 0 5px var(--avatar-ring-color),
    var(--avatar-shadow);
}

.companion-avatar[data-avatar-border="soft"] {
  --avatar-border-width: 2px;
  border-color: color-mix(in srgb, var(--avatar-border-color), transparent 35%);
}

.companion-avatar[data-avatar-border="minimal"] {
  --avatar-border-width: 1px;
  box-shadow: none;
}

.companion-avatar[data-avatar-border="none"] {
  --avatar-border-width: 0px;
  box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
  .companion-avatar img { transition: none !important; }
}