/* KoiAI 1.5 — original static anime portraits for the eight built-in characters. */
.portrait {overflow:hidden; isolation:isolate;}
.portrait .portrait-picture {
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:center 44%; display:block;
  transition:transform .3s ease,filter .3s ease;
}
.character:hover .portrait-picture {transform:scale(1.045);}
.portrait::after {z-index:1;pointer-events:none;}
.portrait .tag {z-index:2;}
/* Hero preview uses the same Sakura art, rather than a placeholder emoji. */
.avatar-main {overflow:hidden; isolation:isolate;}
.avatar-main img {width:100%;height:100%;object-fit:cover;object-position:center center;display:block;}
/* Chat sidebar and header show each character's own static portrait. */
.chat-avatar {overflow:hidden;}
.chat-avatar .character-avatar-picture {
  width:100%;height:100%;object-fit:cover;object-position:center center;
  border-radius:50%;display:block;
}
.chat-head .mini:has(.character-avatar-picture) {
  width:42px;height:42px;display:block;flex:0 0 42px;
  border-radius:50%;overflow:hidden;border:1px solid rgba(95,216,219,.5);
}
.chat-head .mini .character-avatar-picture {
  width:100%;height:100%;object-fit:cover;object-position:center center;display:block;
}
@media (prefers-reduced-motion:reduce) {
  .portrait .portrait-picture{transition:none;}
}