:root {
  --persona-hue: 194;
  --persona-secondary-hue: 38;
  --persona-energy: .62;
  --persona-density: .68;
  --persona-glass-alpha: .68;
  --persona-motion: .65;
  --persona-contrast: .92;
  --persona-warmth: .5;
  --voice-energy: 0;
  --orbita-accent: hsl(var(--persona-hue) 88% 67%);
  --orbita-accent-soft: hsla(var(--persona-hue), 90%, 66%, .2);
  --orbita-gold: hsl(var(--persona-secondary-hue) 84% 68%);
  --orbita-ink: rgba(240, 251, 255, var(--persona-contrast));
}

body.orbita-experience-v4 {
  background:
    radial-gradient(circle at calc(16% + var(--voice-energy) * 12%) 18%, hsla(var(--persona-hue), 82%, 45%, .18), transparent 36%),
    radial-gradient(circle at 82% 8%, hsla(var(--persona-secondary-hue), 85%, 55%, .11), transparent 30%),
    linear-gradient(145deg, #02080f 0%, #06131d 48%, #02070d 100%);
  transition: background 1.2s ease, color .6s ease;
}

.orbita-natural-conversation {
  --panel-glass: rgba(5, 17, 25, var(--persona-glass-alpha));
  overflow: hidden;
  border: 1px solid rgba(183, 234, 240, .16);
  background: rgba(5, 17, 25, .82);
  background: linear-gradient(145deg, rgba(13, 32, 43, .76), var(--panel-glass));
  box-shadow:
    0 34px 90px rgba(0, 0, 0, .48),
    inset 0 1px 0 rgba(255, 255, 255, .13),
    inset 0 -1px 0 rgba(97, 221, 230, .08);
  -webkit-backdrop-filter: blur(30px) saturate(145%);
  backdrop-filter: blur(30px) saturate(145%);
}

@supports not ((-webkit-backdrop-filter: blur(2px)) or (backdrop-filter: blur(2px))) {
  .orbita-natural-conversation {
    background: #07141d;
  }
}

.orbita-live-stage {
  position: relative;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 112px;
  margin: 12px 12px 4px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid rgba(174, 235, 240, .14);
  border-radius: 26px;
  background:
    linear-gradient(125deg, rgba(255, 255, 255, .09), rgba(255, 255, 255, .018) 44%, rgba(91, 226, 232, .06)),
    rgba(4, 16, 24, .58);
  isolation: isolate;
}

.orbita-live-aurora {
  position: absolute;
  z-index: -1;
  inset: -70%;
  opacity: calc(.25 + var(--persona-energy) * .35);
  background:
    conic-gradient(from 160deg, transparent, hsla(var(--persona-hue), 94%, 63%, .26), transparent 31%, hsla(var(--persona-secondary-hue), 90%, 60%, .18), transparent 62%);
  filter: blur(30px);
  animation: orbita-live-drift calc(18s - var(--persona-motion) * 8s) linear infinite;
}

.orbita-voice-presence {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(193, 248, 251, .22);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 28%, rgba(255, 255, 255, .36), transparent 11%),
    radial-gradient(circle, hsla(var(--persona-hue), 92%, 68%, .28), rgba(2, 12, 18, .7) 64%);
  box-shadow:
    0 0 calc(16px + var(--voice-energy) * 42px) hsla(var(--persona-hue), 94%, 62%, calc(.16 + var(--voice-energy) * .5)),
    inset 0 0 24px rgba(255, 255, 255, .09);
  transform: scale(calc(1 + var(--voice-energy) * .08));
  transition: transform 90ms linear, box-shadow 160ms ease;
}

.orbita-voice-presence::before,
.orbita-voice-presence::after {
  content: "";
  position: absolute;
  inset: -7px;
  border: 1px solid hsla(var(--persona-hue), 88%, 72%, .24);
  border-radius: 50%;
  animation: orbita-presence-ring calc(3.2s - var(--persona-motion) * .8s) ease-out infinite;
}

.orbita-voice-presence::after {
  animation-delay: -1.45s;
}

.orbita-voice-presence i {
  width: 3px;
  height: calc(8px + var(--voice-energy) * 29px);
  border-radius: 999px;
  background: linear-gradient(to top, var(--orbita-accent), rgba(255, 255, 255, .96));
  box-shadow: 0 0 10px var(--orbita-accent-soft);
  animation: orbita-wave 1.16s ease-in-out infinite alternate;
}

.orbita-voice-presence i:nth-child(2n) { animation-delay: -.5s; }
.orbita-voice-presence i:nth-child(3n) { animation-delay: -.83s; }
.orbita-voice-presence i:nth-child(4n) { animation-delay: -.22s; }

.orbita-live-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.orbita-live-kicker {
  color: var(--orbita-accent);
  font-family: "Avenir Next Condensed", "DIN Condensed", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
}

.orbita-live-copy strong {
  color: var(--orbita-ink);
  font-family: "Avenir Next", "PingFang SC", sans-serif;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 590;
  letter-spacing: -.02em;
}

.orbita-live-copy > span:last-child {
  overflow: hidden;
  color: rgba(210, 229, 234, .62);
  font-size: 12px;
  line-height: 1.55;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.orbita-live-controls {
  display: flex;
  align-items: center;
  gap: 7px;
}

.orbita-voice-toggle,
.orbita-live-icon,
.orbita-vibe-actions button,
.orbita-wechat-login {
  appearance: none;
  border: 1px solid rgba(189, 240, 244, .2);
  color: rgba(237, 252, 253, .92);
  background: rgba(224, 251, 249, .09);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1);
  cursor: pointer;
}

.orbita-voice-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  font-weight: 650;
}

.orbita-voice-toggle[aria-pressed="true"] {
  border-color: hsla(var(--persona-hue), 90%, 74%, .5);
  color: #001418;
  background: linear-gradient(135deg, hsl(var(--persona-hue) 88% 76%), hsl(var(--persona-hue) 76% 58%));
}

.orbita-mic-glyph {
  position: relative;
  width: 10px;
  height: 15px;
  border: 2px solid currentColor;
  border-radius: 7px;
}

.orbita-mic-glyph::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  width: 10px;
  height: 6px;
  border-bottom: 2px solid currentColor;
  border-radius: 50%;
  transform: translateX(-50%);
}

/* Two-layer voice pulse: presence is persistent while enabled; energy exists only while listening. */
#agentPanel.orbita-simple-shell #orbitaVoiceToggle {
  position: relative;
  isolation: isolate;
  overflow: visible;
}

#agentPanel.orbita-simple-shell #orbitaVoiceToggle::before,
#agentPanel.orbita-simple-shell #orbitaVoiceToggle::after {
  content: none !important;
}

#orbitaVoiceToggle > .orbita-mic-glyph,
#orbitaVoiceToggle > span:last-child {
  position: relative;
  z-index: 3;
}

.orbita-voice-pulse {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.orbita-voice-pulse i {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: 50%;
  opacity: 0;
  transform: scale(.72);
  animation: none;
  transition: opacity .22s ease, transform .28s ease;
}

.orbita-voice-pulse [data-voice-pulse="presence"] {
  border: 1px solid hsla(var(--persona-hue), 92%, 78%, .52);
  background: radial-gradient(circle, hsla(var(--persona-hue), 94%, 72%, .15), transparent 66%);
  box-shadow: inset 0 0 9px hsla(var(--persona-hue), 96%, 72%, .16), 0 0 13px hsla(var(--persona-hue), 92%, 70%, .16);
}

#orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="presence"] {
  opacity: .68;
  transform: scale(.9);
  animation: orbita-voice-presence-breath 2.25s ease-in-out infinite;
}

.orbita-voice-pulse [data-voice-pulse="listening"] {
  inset: -7px;
  border: 2px solid transparent;
  border-top-color: hsla(var(--persona-hue), 100%, 82%, .98);
  border-right-color: hsla(calc(var(--persona-hue) + 42), 96%, 72%, .72);
  border-bottom-color: hsla(var(--persona-hue), 90%, 65%, .22);
  box-shadow: 0 0 8px hsla(var(--persona-hue), 100%, 75%, .52), inset 0 0 8px hsla(var(--persona-hue), 100%, 76%, .25);
  will-change: transform, opacity;
}

body[data-conversation-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="listening"],
body[data-orbita-agent-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="listening"],
#orbitaVoiceToggle.is-listening[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="listening"] {
  opacity: var(--voice-energy-alpha, .72);
  transform: rotate(0deg) scale(var(--voice-energy-scale, 1));
  animation: orbita-listening-energy-ring .92s linear infinite;
}

body[data-conversation-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="presence"],
body[data-orbita-agent-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="presence"],
#orbitaVoiceToggle.is-listening[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="presence"] {
  opacity: .9;
  box-shadow: inset 0 0 11px hsla(var(--persona-hue), 100%, 76%, .24), 0 0 18px hsla(var(--persona-hue), 100%, 72%, .3);
}

@keyframes orbita-voice-presence-breath {
  0%, 100% { opacity: .46; transform: scale(.84); }
  50% { opacity: .78; transform: scale(.98); }
}

@keyframes orbita-listening-energy-ring {
  0% { transform: rotate(0deg) scale(var(--voice-energy-scale, 1)); }
  50% { filter: brightness(1.24); }
  100% { transform: rotate(360deg) scale(var(--voice-energy-scale, 1)); }
}

@media (prefers-reduced-motion: reduce) {
  #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="presence"],
  body[data-conversation-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="listening"],
  body[data-orbita-agent-state="listening"] #orbitaVoiceToggle[aria-pressed="true"] .orbita-voice-pulse [data-voice-pulse="listening"] {
    animation: none;
  }
}

.orbita-live-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 12px;
}

.orbita-vibe-open {
  color: var(--orbita-gold);
  font-size: 22px;
}

.orbita-natural-conversation #agentMessages {
  display: grid;
  gap: 3px;
  padding: 10px 18px 16px;
  scrollbar-color: rgba(116, 218, 226, .28) transparent;
}

.orbita-natural-conversation .agent-message {
  max-width: 92%;
  margin: 0;
  padding: 12px 2px 14px 14px;
  border: 0;
  border-left: 1px solid rgba(194, 233, 237, .13);
  border-radius: 0;
  color: rgba(220, 237, 240, .72);
  background: transparent;
  box-shadow: none;
}

.orbita-natural-conversation .agent-message.assistant {
  max-width: 100%;
  border-left-color: var(--orbita-accent);
  color: rgba(242, 251, 252, .94);
  font-size: 15px;
  line-height: 1.75;
}

.orbita-natural-conversation .agent-message.user {
  justify-self: end;
  border-left-color: var(--orbita-gold);
  color: rgba(216, 235, 238, .76);
}

.orbita-natural-conversation #agentForm {
  margin: 0 12px 12px;
  border: 1px solid rgba(191, 236, 239, .14);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .025));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
}

.orbita-natural-conversation #agentInput {
  color: rgba(242, 252, 253, .94);
  background: transparent;
}

.orbita-vibe-composer {
  position: absolute;
  z-index: 12;
  inset: 78px 12px 12px;
  padding: 20px;
  overflow: auto;
  border: 1px solid rgba(185, 239, 242, .2);
  border-radius: 26px;
  color: rgba(234, 249, 250, .9);
  background: rgba(3, 13, 20, .94);
  background: linear-gradient(145deg, rgba(12, 33, 43, .95), rgba(2, 11, 17, .97));
  box-shadow: 0 26px 70px rgba(0, 0, 0, .52);
  -webkit-backdrop-filter: blur(28px);
  backdrop-filter: blur(28px);
}

.orbita-vibe-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.orbita-vibe-head div {
  display: grid;
  gap: 5px;
}

.orbita-vibe-head span {
  color: var(--orbita-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .2em;
}

.orbita-vibe-head strong {
  font-size: 19px;
}

.orbita-vibe-head button {
  border: 0;
  color: white;
  background: transparent;
  font-size: 25px;
  cursor: pointer;
}

.orbita-vibe-composer p {
  color: rgba(205, 226, 230, .62);
  font-size: 12px;
  line-height: 1.65;
}

.orbita-vibe-composer textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 14px;
  resize: vertical;
  border: 1px solid rgba(186, 234, 238, .16);
  border-radius: 17px;
  outline: none;
  color: white;
  background: rgba(255, 255, 255, .045);
  font: inherit;
  line-height: 1.65;
}

.orbita-vibe-composer textarea:focus {
  border-color: hsla(var(--persona-hue), 88%, 70%, .58);
  box-shadow: 0 0 0 3px var(--orbita-accent-soft);
}

.orbita-vibe-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 12px;
  color: rgba(205, 226, 230, .58);
  font-size: 11px;
}

.orbita-vibe-actions button {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  color: #001519;
  background: var(--orbita-accent);
  font-weight: 720;
}

.orbita-vibe-viewport {
  height: 360px;
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid rgba(192, 237, 240, .14);
  border-radius: 18px;
  background: #061019;
}

.orbita-vibe-viewport iframe,
.agent-resource-content iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.orbita-wechat-login {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  width: 100%;
  min-height: 45px;
  margin-top: 10px;
  border-radius: 14px;
}

body[data-conversation-state="listening"] .robot,
body[data-conversation-state="listening"] #robot3dCanvas {
  filter: drop-shadow(0 0 20px hsla(var(--persona-hue), 94%, 68%, .42));
}

body[data-conversation-state="thinking"] .robot,
body[data-conversation-state="thinking"] #robot3dCanvas {
  animation: orbita-think-float 2.8s ease-in-out infinite;
}

body[data-conversation-state="speaking"] .robot,
body[data-conversation-state="speaking"] #robot3dCanvas {
  filter: drop-shadow(0 0 25px hsla(var(--persona-hue), 96%, 72%, .5));
}

body[data-conversation-state="error"] {
  --persona-hue: 8;
}

@keyframes orbita-live-drift {
  to { transform: rotate(360deg) scale(1.08); }
}

@keyframes orbita-presence-ring {
  0% { opacity: .64; transform: scale(.83); }
  100% { opacity: 0; transform: scale(1.34); }
}

@keyframes orbita-wave {
  from { transform: scaleY(.45); opacity: .62; }
  to { transform: scaleY(1.15); opacity: 1; }
}

@keyframes orbita-think-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
  .orbita-live-aurora,
  .orbita-voice-presence::before,
  .orbita-voice-presence::after,
  .orbita-voice-presence i,
  body[data-conversation-state] .robot,
  body[data-conversation-state] #robot3dCanvas {
    animation: none !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 720px) {
  .orbita-natural-conversation {
    width: min(100vw - 14px, 560px);
    max-height: calc(100dvh - 72px);
    border-radius: 26px 26px 0 0;
  }

  .orbita-live-stage {
    grid-template-columns: 58px minmax(0, 1fr);
    min-height: 96px;
    padding: 13px;
    border-radius: 21px;
  }

  .orbita-voice-presence {
    width: 54px;
    height: 54px;
  }

  .orbita-live-controls {
    grid-column: 1 / -1;
    justify-content: stretch;
  }

  .orbita-voice-toggle {
    flex: 1;
    justify-content: center;
  }

  .orbita-live-copy strong {
    font-size: 17px;
  }

  .orbita-live-copy > span:last-child {
    max-width: 58vw;
  }

  .orbita-vibe-composer {
    inset: 64px 7px 7px;
    padding: 16px;
    border-radius: 22px 22px 0 0;
  }
}