.chat-layout {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.avatar-panel {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 28px 38px 26px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: #f7f6ef;
  background:
    radial-gradient(circle at 50% 44%, rgba(217, 255, 71, .1), transparent 38%),
    #191c17;
  border-right: 1px solid rgba(255, 255, 255, .12);
}

.avatar-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .12) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent, #000 25%, #000 75%, transparent);
}

.avatar-panel-head {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  padding-bottom: 15px;
  border-bottom: 1px solid rgba(255, 255, 255, .15);
  color: #8f9388;
  font-size: 8px;
  letter-spacing: .16em;
}

.avatar-stage {
  position: relative;
  z-index: 1;
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  align-content: center;
  padding: 18px 0 12px;
}

.avatar-orbit {
  position: absolute;
  width: min(32vw, 470px);
  aspect-ratio: 1;
  border: 1px solid rgba(217, 255, 71, .3);
  border-radius: 50%;
}

.avatar-orbit::before,
.avatar-orbit::after {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 50%;
}

.avatar-orbit::after {
  inset: 50% -7% auto;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  border-radius: 0;
}

.avatar-frame {
  position: relative;
  z-index: 2;
  width: min(26vw, 390px);
  min-width: 250px;
  aspect-ratio: 1;
  overflow: hidden;
  border: 5px solid #f4f3ec;
  border-radius: 50% 50% 43% 43%;
  background: #f4f3ec;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .35);
  transition: transform .28s ease, box-shadow .28s ease;
}

.avatar-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(23, 24, 19, .1);
}

.avatar-frame.speaking {
  transform: translateY(-3px) scale(1.012);
  box-shadow: 0 34px 80px rgba(0, 0, 0, .42), 0 0 0 7px rgba(217, 255, 71, .13);
}

.avatar-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}

.avatar-presence {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 20px;
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(15, 17, 14, .72);
  color: #b5b9ad;
  font-size: 8px;
  letter-spacing: .14em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.avatar-presence i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 4px rgba(217, 255, 71, .1);
}

.avatar-frame.speaking + .avatar-presence i {
  animation: avatar-presence-pulse .85s ease-in-out infinite;
}

.avatar-controls {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.avatar-controls .voice-setting {
  margin: 0;
  padding: 17px 20px 0 0;
  border: 0;
  color: #aeb2a7;
}

.avatar-controls .new-chat {
  margin-top: 17px;
  padding: 12px 0 0 22px;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, .15);
  color: #f7f6ef;
}

.chat-page .conversation {
  border-left: 0;
}

.chat-page .messages {
  padding-right: clamp(24px, 4vw, 68px);
  padding-left: clamp(24px, 4vw, 68px);
}

.chat-page .composer {
  margin-right: clamp(18px, 4vw, 68px);
  margin-left: clamp(18px, 4vw, 68px);
}

.chat-page .welcome-message {
  margin-top: 2vh;
}

.chat-page .welcome-message h2 {
  font-size: clamp(44px, 4.5vw, 68px);
}

.chat-page .chat-suggestions {
  grid-template-columns: 1fr;
}

@keyframes avatar-presence-pulse {
  50% { opacity: .45; transform: scale(.72); }
}

@media (max-width: 1000px) {
  .avatar-panel { padding-right: 24px; padding-left: 24px; }
  .avatar-frame { width: min(32vw, 340px); min-width: 220px; }
  .avatar-orbit { width: min(39vw, 410px); }
}

@media (max-width: 850px) {
  .chat-layout { display: block; height: auto; }
  .avatar-panel { min-height: 520px; border-right: 0; }
  .avatar-frame { width: min(70vw, 330px); }
  .avatar-orbit { width: min(84vw, 400px); }
  .chat-page .conversation { height: calc(100vh - 74px); min-height: 650px; }
}

@media (max-width: 520px) {
  .avatar-panel { min-height: 455px; padding: 20px 18px; }
  .avatar-frame { width: min(68vw, 285px); min-width: 0; }
  .avatar-controls { grid-template-columns: 1fr; }
  .avatar-controls .new-chat { margin-top: 12px; padding: 12px 0 0; border-left: 0; border-top: 1px solid rgba(255, 255, 255, .12); }
}

@media (prefers-reduced-motion: reduce) {
  .avatar-frame,
  .avatar-presence i { transition: none; animation: none !important; }
}