/* Private hands-free conversation instrument for the Atlas voice bridge. */
.voice-mode-bar {
  --voice-accent: 72, 207, 204;
  --voice-accent-secondary: 76, 164, 205;
  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  min-height: 106px;
  padding: 9px 12px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow: hidden;
  border-bottom: 1px solid rgba(174, 192, 218, 0.1);
  background:
    radial-gradient(circle at 50% 38%, rgba(var(--voice-accent), 0.075), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(4, 8, 18, 0.035));
}

.voice-mode-bar::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  left: 18%;
  right: 18%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(233, 244, 255, 0.16), transparent);
}

:root:not(.dark) .voice-mode-bar {
  border-bottom-color: rgba(38, 55, 78, 0.1);
  background:
    radial-gradient(circle at 50% 38%, rgba(var(--voice-accent), 0.09), transparent 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(226, 232, 240, 0.12));
}

.voice-mode-indicator {
  --voice-ripple-scale: 1.035;
  --voice-ripple-opacity: 0.3;
  position: relative;
  width: 70px;
  height: 70px;
  flex: 0 0 70px;
  border-radius: 50%;
  transform: translateZ(0);
}

.voice-mode-indicator.listening {
  --voice-accent: 69, 218, 207;
  --voice-accent-secondary: 73, 169, 209;
}

.voice-mode-indicator.transcribing {
  --voice-accent: 73, 193, 218;
  --voice-accent-secondary: 93, 129, 224;
}

.voice-mode-indicator.thinking {
  --voice-accent: 135, 111, 244;
  --voice-accent-secondary: 81, 62, 190;
}

.voice-mode-indicator.speaking {
  --voice-accent: 249, 169, 105;
  --voice-accent-secondary: 236, 112, 137;
}

.voice-mode-indicator.error {
  --voice-accent: 235, 135, 88;
  --voice-accent-secondary: 198, 74, 78;
}

.voice-instrument-halo,
.voice-instrument-ripple,
.voice-instrument-orbit,
.voice-instrument-core {
  position: absolute;
  display: block;
  box-sizing: border-box;
  border-radius: 50%;
  pointer-events: none;
}

.voice-instrument-halo {
  inset: 2px;
  opacity: 0;
  background: radial-gradient(circle, rgba(var(--voice-accent), 0.2), rgba(var(--voice-accent), 0.05) 43%, transparent 70%);
  filter: blur(4px);
}

.voice-instrument-ripple {
  inset: 3px;
  opacity: 0;
  border: 1px solid rgba(var(--voice-accent), 0.56);
  box-shadow: 0 0 12px rgba(var(--voice-accent), 0.13);
}

.voice-instrument-orbit {
  inset: 2px;
  opacity: 0;
  border: 1px solid rgba(var(--voice-accent), 0.18);
  box-shadow:
    inset 0 0 8px rgba(var(--voice-accent), 0.06),
    0 0 11px rgba(var(--voice-accent), 0.07);
}

.voice-instrument-orbit::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border-top: 1.5px solid rgba(var(--voice-accent), 0.88);
  border-right: 1px solid rgba(var(--voice-accent-secondary), 0.35);
  border-bottom: 1px solid transparent;
  border-left: 1px solid transparent;
}

.voice-instrument-orbit::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  border-radius: 50%;
  background: rgb(var(--voice-accent));
  box-shadow:
    0 0 5px rgba(var(--voice-accent), 0.92),
    0 0 12px rgba(var(--voice-accent), 0.44);
}

.voice-instrument-core {
  inset: 12px;
  display: grid;
  place-items: center;
  color: rgba(242, 250, 255, 0.94);
  border: 1px solid rgba(238, 247, 255, 0.2);
  background:
    radial-gradient(circle at 38% 29%, rgba(255, 255, 255, 0.26), transparent 24%),
    radial-gradient(circle at 50% 66%, rgba(var(--voice-accent), 0.36), transparent 64%),
    linear-gradient(145deg, rgba(36, 45, 61, 0.96), rgba(10, 15, 27, 0.98));
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.22),
    inset 0 -9px 18px rgba(0, 0, 0, 0.24),
    0 4px 13px rgba(0, 0, 0, 0.25),
    0 0 17px rgba(var(--voice-accent), 0.17);
}

:root:not(.dark) .voice-instrument-core {
  color: rgba(31, 48, 66, 0.9);
  border-color: rgba(255, 255, 255, 0.82);
  background:
    radial-gradient(circle at 38% 29%, rgba(255, 255, 255, 0.96), transparent 27%),
    radial-gradient(circle at 50% 66%, rgba(var(--voice-accent), 0.2), transparent 65%),
    linear-gradient(145deg, rgba(248, 250, 251, 0.98), rgba(216, 225, 231, 0.96));
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.94),
    inset 0 -8px 17px rgba(64, 84, 100, 0.1),
    0 4px 12px rgba(35, 53, 72, 0.15),
    0 0 15px rgba(var(--voice-accent), 0.13);
}

.voice-instrument-symbol {
  display: block;
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.32));
}

.voice-instrument-symbol svg {
  display: block;
  width: 100%;
  height: 100%;
}

.voice-symbol {
  display: none;
}

.voice-mode-indicator.listening .voice-symbol-listening,
.voice-mode-indicator.transcribing .voice-symbol-transcribing,
.voice-mode-indicator.thinking .voice-symbol-thinking,
.voice-mode-indicator.speaking .voice-symbol-speaking,
.voice-mode-indicator.error .voice-symbol-error {
  display: inline;
}

.voice-mode-indicator.listening .voice-instrument-halo {
  opacity: 0.62;
  animation: voice-instrument-breathe 3.8s ease-in-out infinite;
}

.voice-mode-indicator.listening .voice-instrument-ripple {
  opacity: var(--voice-ripple-opacity);
  transform: scale(var(--voice-ripple-scale));
  transition: transform 140ms ease-out, opacity 160ms ease-out;
}

.voice-mode-indicator.transcribing .voice-instrument-orbit {
  opacity: 0.92;
  animation: voice-instrument-orbit 3.4s cubic-bezier(0.58, 0.12, 0.42, 0.88) infinite;
}

.voice-mode-indicator.thinking .voice-instrument-orbit {
  opacity: 0.96;
  animation: voice-instrument-orbit 4.6s cubic-bezier(0.58, 0.12, 0.42, 0.88) infinite;
}

.voice-mode-indicator.thinking .voice-instrument-core {
  animation: voice-instrument-core-breathe 5.7s ease-in-out infinite;
}

.voice-mode-indicator.speaking .voice-instrument-orbit {
  opacity: 0.86;
  transform: rotate(38deg);
}

.voice-mode-indicator.speaking.is-playing .voice-instrument-halo {
  opacity: 0.66;
  animation: voice-instrument-speaking-pulse 2.15s ease-out infinite;
}

.voice-mode-indicator.error .voice-instrument-orbit {
  opacity: 0.9;
  transform: rotate(-32deg);
  border-color: rgba(var(--voice-accent), 0.44);
}

.voice-mode-indicator.error .voice-instrument-core {
  color: rgba(255, 232, 219, 0.95);
  box-shadow:
    inset 0 1px 1px rgba(255, 255, 255, 0.2),
    inset 0 -9px 18px rgba(0, 0, 0, 0.24),
    0 4px 13px rgba(0, 0, 0, 0.25),
    0 0 12px rgba(var(--voice-accent), 0.17);
}

.voice-mode-label {
  position: relative;
  z-index: 1;
  min-height: 16px;
  max-width: min(100%, 34rem);
  overflow: hidden;
  color: var(--text, #f4f6fb);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
  letter-spacing: 0.018em;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.28);
}

:root:not(.dark) .voice-mode-label {
  color: #263648;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);
}

@keyframes voice-instrument-breathe {
  0%, 100% { opacity: 0.38; transform: scale(0.94); }
  50% { opacity: 0.72; transform: scale(1.06); }
}

@keyframes voice-instrument-orbit {
  0% { transform: rotate(0deg); }
  50% { transform: rotate(177deg); }
  100% { transform: rotate(360deg); }
}

@keyframes voice-instrument-core-breathe {
  0%, 100% { filter: saturate(0.96) brightness(0.98); }
  50% { filter: saturate(1.08) brightness(1.06); }
}

@keyframes voice-instrument-speaking-pulse {
  0% { opacity: 0.58; transform: scale(0.88); }
  58% { opacity: 0.22; transform: scale(1.12); }
  100% { opacity: 0; transform: scale(1.2); }
}

@media (max-width: 640px) {
  .voice-mode-bar {
    min-height: 94px;
    padding: 7px 10px 8px;
    gap: 4px;
  }

  .voice-mode-indicator {
    width: 62px;
    height: 62px;
    flex-basis: 62px;
  }

  .voice-instrument-core {
    inset: 11px;
  }

  .voice-instrument-symbol {
    width: 20px;
    height: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .voice-mode-bar *,
  .voice-mode-bar *::before,
  .voice-mode-bar *::after {
    animation: none !important;
    transition: none !important;
  }

  .voice-mode-indicator.listening .voice-instrument-halo {
    opacity: 0.45;
    transform: none;
  }

  .voice-mode-indicator.listening .voice-instrument-ripple {
    opacity: 0.34;
    transform: scale(1.035);
  }

  .voice-mode-indicator.transcribing .voice-instrument-orbit,
  .voice-mode-indicator.thinking .voice-instrument-orbit {
    transform: rotate(24deg);
  }

  .voice-mode-indicator.speaking.is-playing .voice-instrument-halo {
    opacity: 0.42;
    transform: scale(1.03);
  }
}

/* ── Conversation mode overlay ─────────────────────────────────────────── */
/* Full-viewport hands-free conversation surface. Created lazily by
   atlas-voice.js on activation and removed on deactivate. The orb breathes in
   idle listening, follows live microphone energy through
   --conversation-level, and pulses while Hermes speaks (.is-playing, driven
   from TTS playback activity). State accents reuse the indicator palette. */
.voice-conversation {
  --voice-accent: 69, 218, 207;
  --voice-accent-secondary: 73, 169, 209;
  --conversation-level: 0;
  position: fixed;
  inset: 0;
  z-index: 420;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 34px 22px calc(28px + env(safe-area-inset-bottom, 0px));
  background:
    radial-gradient(circle at 50% 30%, rgba(var(--voice-accent), 0.11), transparent 52%),
    radial-gradient(circle at 22% 92%, rgba(157, 142, 224, 0.07), transparent 44%),
    linear-gradient(160deg, #0b1120, #070a12 55%, #081018);
  color: rgba(240, 247, 255, 0.94);
}

.voice-conversation[data-voice-state="transcribing"] {
  --voice-accent: 73, 193, 218;
  --voice-accent-secondary: 93, 129, 224;
}

.voice-conversation[data-voice-state="thinking"] {
  --voice-accent: 135, 111, 244;
  --voice-accent-secondary: 81, 62, 190;
}

.voice-conversation[data-voice-state="speaking"] {
  --voice-accent: 249, 169, 105;
  --voice-accent-secondary: 236, 112, 137;
}

.voice-conversation[data-voice-state="error"] {
  --voice-accent: 235, 135, 88;
  --voice-accent-secondary: 198, 74, 78;
}

.voice-conversation-orb {
  position: relative;
  width: min(46vmin, 220px);
  height: min(46vmin, 220px);
  flex: none;
}

.voice-conversation-orb-halo,
.voice-conversation-orb-core,
.voice-conversation-orb-ring {
  position: absolute;
  inset: 0;
  display: block;
  border-radius: 50%;
  pointer-events: none;
}

.voice-conversation-orb-halo {
  background: radial-gradient(circle, rgba(var(--voice-accent), 0.34), rgba(var(--voice-accent-secondary), 0.1) 52%, transparent 74%);
  filter: blur(10px);
  opacity: 0.75;
  transform: scale(calc(1 + (var(--conversation-level) * 0.3)));
  transition: transform 130ms ease-out;
}

.voice-conversation-orb-core {
  inset: 12%;
  background:
    radial-gradient(circle at 36% 28%, rgba(255, 255, 255, 0.34), transparent 34%),
    radial-gradient(circle at 52% 68%, rgba(var(--voice-accent), 0.62), rgba(var(--voice-accent-secondary), 0.4) 62%, transparent 86%),
    linear-gradient(150deg, rgba(34, 44, 63, 0.95), rgba(9, 13, 24, 0.98));
  box-shadow:
    inset 0 1px 2px rgba(255, 255, 255, 0.28),
    0 10px 42px rgba(0, 0, 0, 0.45),
    0 0 44px rgba(var(--voice-accent), 0.3);
  transform: scale(calc(1 + (var(--conversation-level) * 0.14)));
  transition: transform 110ms ease-out;
}

.voice-conversation-orb-ring {
  inset: 3%;
  border: 1.5px solid rgba(var(--voice-accent), 0.4);
  box-shadow: 0 0 22px rgba(var(--voice-accent), 0.16);
  opacity: 0.85;
}

/* Idle listening: slow breathing. */
.voice-conversation[data-voice-state="listening"] .voice-conversation-orb-halo {
  animation: voice-conversation-breathe 4.4s ease-in-out infinite;
}

/* Transcribing/thinking: the ring sweeps. */
.voice-conversation[data-voice-state="transcribing"] .voice-conversation-orb-ring,
.voice-conversation[data-voice-state="thinking"] .voice-conversation-orb-ring {
  border-top-color: rgba(var(--voice-accent), 0.95);
  border-right-color: rgba(var(--voice-accent-secondary), 0.4);
  animation: voice-conversation-sweep 2.6s linear infinite;
}

/* Hermes speaking: the halo waves outward while playback is live. */
.voice-conversation.is-playing .voice-conversation-orb-halo {
  animation: voice-conversation-wave 1.9s ease-out infinite;
}

.voice-conversation.is-playing .voice-conversation-orb-core {
  animation: voice-conversation-swell 1.9s ease-in-out infinite;
}

.voice-conversation-state {
  min-height: 20px;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-align: center;
  color: rgba(238, 246, 255, 0.9);
}

.voice-conversation-captions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: min(100%, 40rem);
  min-height: 0;
  text-align: center;
}

/* Each caption is its own bounded scroll region: the user transcript and the
   reply overflow independently, scroll by touch inside the overlay without
   moving the page behind (overscroll-behavior: contain), stay keyboard
   scrollable via tabindex, and fade at the top edge so clipped history reads
   as scrollable. Auto-follow of the streaming tail lives in atlas-voice.js
   (data-follow, per region). */
.voice-conversation-caption-user,
.voice-conversation-caption-assistant {
  overflow-y: auto;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 18px, #000 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 18px, #000 100%);
}

.voice-conversation-caption-user:focus-visible,
.voice-conversation-caption-assistant:focus-visible {
  outline: 2px solid rgb(var(--voice-accent));
  outline-offset: 2px;
}

.voice-conversation-caption-user {
  margin: 0;
  max-height: 22vh;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(178, 196, 214, 0.88);
  font-style: italic;
}

.voice-conversation-caption-assistant {
  margin: 0;
  max-height: 38vh;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(240, 247, 255, 0.95);
}

.voice-conversation-controls {
  display: flex;
  gap: 14px;
  margin-top: 6px;
}

.voice-conversation-controls button {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: rgba(233, 243, 252, 0.92);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(var(--voice-accent), 0.36);
  border-radius: 999px;
  padding: 10px 18px;
  cursor: pointer;
}

.voice-conversation-controls button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.voice-conversation-controls button:focus-visible {
  outline: 2px solid rgb(var(--voice-accent));
  outline-offset: 2px;
}

.voice-conversation.is-muted .voice-conversation-mute {
  color: #ffd9c7;
  border-color: rgba(235, 135, 88, 0.6);
  background: rgba(235, 135, 88, 0.14);
}

.voice-conversation.is-muted .voice-conversation-orb-halo,
.voice-conversation.is-muted .voice-conversation-orb-core {
  animation: none;
  transform: none;
  filter: blur(10px) saturate(0.4);
}

.voice-conversation.is-muted .voice-conversation-orb-core {
  filter: saturate(0.35) brightness(0.8);
}

@keyframes voice-conversation-breathe {
  0%, 100% { opacity: 0.55; transform: scale(calc(0.96 + (var(--conversation-level) * 0.3))); }
  50% { opacity: 0.85; transform: scale(calc(1.05 + (var(--conversation-level) * 0.3))); }
}

@keyframes voice-conversation-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes voice-conversation-wave {
  0% { opacity: 0.8; transform: scale(0.96); }
  55% { opacity: 0.5; transform: scale(1.12); }
  100% { opacity: 0.75; transform: scale(0.98); }
}

@keyframes voice-conversation-swell {
  0%, 100% { transform: scale(0.99); }
  50% { transform: scale(1.05); }
}

@media (max-width: 640px) {
  .voice-conversation { gap: 18px; }
  .voice-conversation-caption-user { max-height: 24vh; }
  .voice-conversation-caption-assistant { max-height: 34vh; }
}

/* Reduced motion: static orb states — the accent color and the state caption
   still communicate every phase without animation or level-driven motion. */
@media (prefers-reduced-motion: reduce) {
  .voice-conversation *,
  .voice-conversation *::before,
  .voice-conversation *::after {
    animation: none !important;
    transition: none !important;
  }

  .voice-conversation-orb-halo,
  .voice-conversation-orb-core {
    transform: none !important;
  }
}