*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Palette LabBERTI */
  --color-bg: #050508;
  --color-bg-soft: #05080f;
  --color-bg-blue: #0b1022;
  --color-brand: #31cbf1;
  --color-brand-soft: #bce9f9;
  --color-text: #f8fafc;
  --color-text-muted: #c6c6e0;
  --color-accent-warm: #fb5679;

  /* Bases RGB pour les transparences */
  --rgb-bg: 5, 5, 8;
  --rgb-bg-soft: 5, 8, 15;
  --rgb-bg-blue: 11, 16, 34;
  --rgb-brand: 49, 203, 241;
  --rgb-brand-soft: 188, 233, 249;
  --rgb-text: 248, 250, 252;
  --rgb-text-muted: 198, 198, 224;
  --rgb-accent-warm: 251, 86, 121;
  --rgb-white: 255, 255, 255;
  --rgb-black: 0, 0, 0;

  /* Layout */
  --conversation-bottom: clamp(24px, 4vh, 44px);
  --conversation-height: clamp(74px, 9vh, 92px);
  --scene-bottom-extra: clamp(8px, 1vh, 14px);

  /* Transparences et effets */
  --alpha-vignette-mid: rgba(var(--rgb-black), .45);
  --alpha-vignette-strong: rgba(var(--rgb-black), .82);
  --alpha-panel: rgba(var(--rgb-bg-blue), .78);
  --alpha-panel-strong: rgba(var(--rgb-bg-blue), .86);
  --alpha-panel-menu: rgba(var(--rgb-bg-blue), .82);
  --alpha-brand-backdrop-start: rgba(var(--rgb-black), .82);
  --alpha-brand-backdrop-end: rgba(var(--rgb-black), .48);
  --alpha-text-strong: rgba(var(--rgb-text), .96);
  --alpha-text-input: rgba(var(--rgb-white), .98);
  --alpha-text-placeholder: rgba(var(--rgb-white), .92);
  --alpha-text-muted: rgba(var(--rgb-text-muted), .92);
  --alpha-control-text: rgba(var(--rgb-text), .94);
  --alpha-white-hairline: rgba(var(--rgb-white), .13);
  --alpha-white-soft: rgba(var(--rgb-white), .18);
  --alpha-white-medium: rgba(var(--rgb-white), .28);
  --alpha-white-border: rgba(var(--rgb-white), .42);
  --alpha-brand-icon: rgba(var(--rgb-brand), .95);
  --alpha-brand-glow-soft: rgba(var(--rgb-brand), .15);
  --alpha-brand-glow: rgba(var(--rgb-brand), .28);
  --alpha-brand-glow-strong: rgba(var(--rgb-brand), .58);
  --alpha-brand-glow-hot: rgba(var(--rgb-brand), .95);
  --alpha-brand-stroke: rgba(var(--rgb-brand), .35);
  --alpha-brand-border: rgba(var(--rgb-brand-soft), .35);
  --alpha-brand-border-soft: rgba(var(--rgb-brand-soft), .22);
  --alpha-brand-border-strong: rgba(var(--rgb-brand-soft), .54);
  --alpha-blue-shadow: rgba(var(--rgb-brand-soft), .26);
  --alpha-blue-shadow-strong: rgba(var(--rgb-brand), .68);
  --alpha-blue-fill: rgba(var(--rgb-brand), .24);
  --alpha-accent-glow: rgba(var(--rgb-accent-warm), .28);
  --alpha-accent-glow-strong: rgba(var(--rgb-accent-warm), .42);
  --alpha-shadow-soft: rgba(var(--rgb-black), .42);
  --alpha-shadow-medium: rgba(var(--rgb-black), .55);
  --alpha-shadow-strong: rgba(var(--rgb-black), .68);
  --alpha-shadow-text: rgba(var(--rgb-black), .86);
  --alpha-control-top: rgba(78, 86, 102, .94);
  --alpha-control-top-idle: rgba(72, 78, 92, .9);
  --alpha-control-bottom: rgba(24, 30, 42, .98);
  --alpha-control-bottom-idle: rgba(28, 32, 42, .98);
  --alpha-control-surface: rgba(42, 47, 58, .82);
}

html, body {
  width: 100%; height: 100%;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ─── BACKGROUND ─── */
#bg-canvas {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

.vignette {
  position: fixed; inset: 0; z-index: 1;
  background: radial-gradient(ellipse 80% 80% at 50% 50%,
    transparent 30%,
    var(--alpha-vignette-mid) 65%,
    var(--alpha-vignette-strong) 100%);
  pointer-events: none;
}

/* ─── BRAND ─── */
#brand-logo {
  position: fixed;
  top: max(-12px, calc(env(safe-area-inset-top) - 18px));
  left: clamp(18px, 3vw, 44px);
  z-index: 12;
  display: block;
  width: clamp(190px, 23vw, 305px);
  padding: 4px 16px 8px 10px;
  background: linear-gradient(90deg, var(--alpha-brand-backdrop-start), var(--alpha-brand-backdrop-end) 72%, transparent);
  pointer-events: none;
}

#brand-logo svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

#brand-logo path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#brand-logo .cyan path {
  stroke: var(--color-brand);
  stroke-width: 12px;
  filter:
    drop-shadow(0 0 8px var(--alpha-brand-glow-strong))
    drop-shadow(0 0 16px var(--alpha-accent-glow-strong));
}

#brand-logo .white path {
  stroke: var(--color-text);
  stroke-width: 12px;
  filter:
    drop-shadow(0 0 8px var(--alpha-brand-glow-strong))
    drop-shadow(0 0 16px var(--alpha-accent-glow-strong));
}

/* ─── SCENE ─── */
#scene {
  position: fixed; inset: 0; z-index: 2;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  padding: clamp(34px, 5.8vh, 68px) 16px calc(var(--conversation-bottom) + var(--conversation-height) + var(--scene-bottom-extra));
  gap: 0;
}

/* ─── HALO ─── */
#halo-wrap {
  position: relative;
  width: clamp(480px, 62vmin, 780px);
  height: clamp(480px, 62vmin, 780px);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transform: translateY(-14%);
  margin-bottom: clamp(-86px, -6.2vmin, -48px);
}

#halo-canvas {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  filter: none;
  pointer-events: none;
}

/* ─── AVATAR ─── */
#avatar-wrap {
  position: relative;
  width: auto;
  height: auto;
  display: flex; align-items: flex-end; justify-content: center;
  z-index: 3;
  pointer-events: none;
}

#avatar-img {
  width: clamp(176px, 27vw, 286px);
  height: auto;
  object-fit: contain;
  object-position: center center;
  display: block;
  position: relative;
  z-index: 3;
  filter:
    drop-shadow(0 0 18px var(--alpha-brand-stroke))
    drop-shadow(0 0 40px var(--alpha-brand-glow-soft));
  animation: headFloat 5s ease-in-out infinite;
}

@keyframes headFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ─── SUBTITLE ─── */
#subtitle {
  margin-top: clamp(8px, 1.6vh, 22px);
  margin-bottom: auto;
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 720;
  color: var(--alpha-text-strong);
  letter-spacing: 0;
  text-align: center;
  padding: 0 24px;
  line-height: 1.15;
  min-height: 1.35em;
  position: relative;
  z-index: 3;
  width: min(920px, 100%);
  text-shadow:
    0 0 24px var(--alpha-blue-shadow),
    0 2px 18px var(--alpha-shadow-strong);
}

/* Answer mode: real replies can be several sentences, so shrink the type and
   cap the height (scroll the overflow) instead of pushing text off-screen.
   Higher specificity than the plain #subtitle rules, so it wins everywhere. */
#subtitle.answer {
  font-size: clamp(17px, 2vw, 24px);
  font-weight: 620;
  line-height: 1.4;
  max-height: clamp(150px, 30vh, 280px);
  overflow-y: auto;
  scrollbar-width: thin;
  overscroll-behavior: contain;
}

#subtitle.answer .cursor { display: none; }

.subtitle-spinner {
  display: none;
  width: 30px;
  height: 30px;
  margin: 6px auto 0;
  border-radius: 50%;
  border: 3px solid var(--alpha-text-muted);
  border-top-color: var(--color-brand);
  animation: labberti-spin .8s linear infinite;
}

#subtitle.loading #subtitle-text,
#subtitle.loading .cursor {
  display: none;
}

#subtitle.loading .subtitle-spinner {
  display: block;
}

@keyframes labberti-spin {
  to { transform: rotate(360deg); }
}

/* Shown only when the browser blocks automatic playback of the spoken
   reply (autoplay policy varies by browser/OS/site setting and can't
   reliably be bypassed from script) — a direct tap always works. */
#tts-replay-btn {
  display: none;
  margin: 10px auto 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--alpha-text-muted);
  background: var(--alpha-blue-shadow);
  color: var(--color-brand);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

#tts-replay-btn.visible {
  display: block;
}

#subtitle .cursor {
  display: inline-block;
  width: 2px; height: 1.1em;
  background: var(--color-brand);
  margin-left: 3px;
  vertical-align: middle;
  border-radius: 1px;
  animation: blink .9s steps(1) infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ─── CONVERSATION BAR ─── */
#bar-outer {
  position: fixed;
  bottom: var(--conversation-bottom);
  left: 50%; transform: translateX(-50%);
  width: min(760px, calc(100vw - 32px));
  z-index: 10;
}

#conv-bar {
  position: relative;
  height: var(--conversation-height);
  border-radius: 100px;
  background:
    linear-gradient(180deg, rgba(var(--rgb-white), .085), rgba(var(--rgb-white), .025)),
    var(--alpha-panel);
  border: 1px solid var(--alpha-brand-border-soft);
  backdrop-filter: blur(30px) saturate(180%);
  -webkit-backdrop-filter: blur(30px) saturate(180%);
  box-shadow:
    0 0 0 1px rgba(var(--rgb-brand), .12),
    0 20px 54px var(--alpha-shadow-strong),
    inset 0 1px 0 var(--alpha-white-hairline),
    inset 0 -1px 0 rgba(var(--rgb-brand), .16),
    inset 0 0 34px rgba(var(--rgb-brand), .08),
    0 0 54px rgba(var(--rgb-brand), .11);
  display: flex; align-items: center;
  padding: 0 12px;
  gap: 14px;
  overflow: visible;
}

/* inner top highlight */
#conv-bar::before {
  content: '';
  position: absolute; top: 1px; left: 9%; right: 9%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--rgb-brand-soft), .48), transparent);
  border-radius: 50%;
}

/* glow left side */
#conv-bar::after {
  content: '';
  position: absolute; inset: 5px;
  border-radius: inherit;
  background:
    radial-gradient(ellipse at 14% 50%, rgba(var(--rgb-brand), .16), transparent 36%),
    radial-gradient(ellipse at 86% 50%, rgba(var(--rgb-brand), .18), transparent 34%);
  pointer-events: none;
}

.round-control {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  width: clamp(54px, 7.4vh, 66px);
  height: clamp(54px, 7.4vh, 66px);
  border-radius: 50%;
  border: 1px solid var(--alpha-brand-border);
  cursor: pointer;
  background:
    radial-gradient(circle at 35% 22%, rgba(var(--rgb-white), .16), transparent 39%),
    radial-gradient(circle at 50% 110%, var(--alpha-blue-fill), transparent 58%),
    linear-gradient(180deg, var(--alpha-control-top-idle), var(--alpha-control-bottom-idle));
  box-shadow:
    0 0 0 7px rgba(var(--rgb-brand), .12),
    0 0 28px rgba(var(--rgb-brand), .5),
    0 8px 24px var(--alpha-shadow-soft),
    inset 0 1px 0 var(--alpha-white-soft),
    inset 0 -12px 24px rgba(var(--rgb-bg-soft), .28);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--alpha-control-text);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.round-control:hover,
.round-control:focus-visible {
  transform: scale(1.05);
  border-color: var(--alpha-brand-border-strong);
  box-shadow:
    0 0 0 9px rgba(var(--rgb-brand), .14),
    0 0 36px var(--alpha-blue-shadow-strong),
    0 10px 28px rgba(var(--rgb-black), .48),
    inset 0 1px 0 var(--alpha-white-medium),
    inset 0 -12px 26px rgba(var(--rgb-bg-soft), .24);
}

.round-control:active { transform: scale(.97); }

#language-wrap {
  position: relative;
  z-index: 5;
  flex-shrink: 0;
}

#language-btn {
  color: var(--color-text);
}

#language-btn .planet-icon {
  width: 26px;
  height: 26px;
}

.flag-mark {
  position: relative;
  width: 38px;
  height: 26px;
  border-radius: 4px;
  display: grid;
  place-items: center;
  border: 1px solid var(--alpha-white-border);
  box-shadow:
    inset 0 0 8px rgba(var(--rgb-black), .34),
    0 0 12px rgba(var(--rgb-brand), .16);
  overflow: hidden;
}

.flag-mark svg {
  display: block;
  width: 100%;
  height: 100%;
}

.flag-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(var(--rgb-white), .32), transparent 38%, rgba(var(--rgb-black), .18) 100%);
  pointer-events: none;
}

#language-menu {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 14px);
  transform: translateX(-50%) translateY(8px);
  display: grid;
  gap: 8px;
  padding: 9px;
  border-radius: 24px;
  background: var(--alpha-panel-menu);
  border: 1px solid var(--alpha-brand-border-soft);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  box-shadow: 0 18px 48px var(--alpha-shadow-medium), inset 0 1px 0 rgba(var(--rgb-white), .08);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}

#language-wrap.open #language-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.language-option {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(var(--rgb-brand-soft), .2);
  background:
    radial-gradient(circle at 50% 0%, rgba(var(--rgb-brand-soft), .14), transparent 52%),
    var(--alpha-control-surface);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
  -webkit-tap-highlight-color: transparent;
}

.language-option:hover,
.language-option:focus-visible,
.language-option.selected {
  transform: scale(1.05);
  border-color: rgba(var(--rgb-brand-soft), .52);
  box-shadow: 0 0 18px var(--alpha-brand-glow);
  outline: none;
}

.composer-center {
  position: relative;
  z-index: 2;
  flex: 1;
  min-width: 0;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#composer-label {
  position: relative;
  z-index: 2;
  color: var(--alpha-text-strong);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  letter-spacing: 0;
  text-shadow:
    0 1px 2px var(--alpha-shadow-text),
    0 0 18px var(--alpha-blue-shadow);
}

#wave-canvas {
  position: absolute;
  inset: 50% 0 auto;
  transform: translateY(-50%);
  width: 100%;
  height: 46px;
  display: block;
  opacity: .46;
}

#mic-btn.listening {
  animation: mic-pulse 1.4s ease-in-out infinite;
  background:
    radial-gradient(circle at 35% 22%, rgba(var(--rgb-brand-soft), .25), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(var(--rgb-brand), .36), transparent 58%),
    linear-gradient(180deg, var(--alpha-control-top), var(--alpha-control-bottom));
}

@keyframes mic-pulse {
  0%,100% { box-shadow: 0 0 0 6px var(--alpha-brand-glow-soft), 0 0 28px rgba(var(--rgb-brand), .7), 0 0 55px var(--alpha-brand-glow), inset 0 1px 0 rgba(var(--rgb-white), .2); }
  50%      { box-shadow: 0 0 0 14px rgba(var(--rgb-brand), .05), 0 0 42px rgba(var(--rgb-brand), .9), 0 0 80px rgba(var(--rgb-brand), .5), inset 0 1px 0 rgba(var(--rgb-white), .2); }
}

.round-control > svg {
  flex-shrink: 0;
  filter: drop-shadow(0 0 7px rgba(var(--rgb-white), .2));
}

#mic-btn svg { width: 25px; height: 25px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 480px) {
  :root {
    --conversation-bottom: max(32px, env(safe-area-inset-bottom));
    --conversation-height: clamp(78px, 9.5vh, 96px);
    --scene-bottom-extra: 10px;
  }

  #brand-logo {
    top: max(-26px, calc(env(safe-area-inset-top) - 28px));
    left: 14px;
    width: min(292px, 76vw);
    padding: 0 14px 5px 8px;
    /* The logo box is tall (SVG whitespace) and would drape its dark backdrop
       over the avatar's forehead on narrow screens — drop it; the neon logo
       stays legible on the dark field on its own. */
    background: none;
  }

  #scene {
    padding-top: clamp(58px, 7vh, 82px);
  }

  #halo-wrap {
    width: min(112vw, 540px);
    height: min(112vw, 540px);
    transform: translateY(calc(-10% - 30px));
    margin-bottom: clamp(-72px, calc(-11.2vw - 18px), -50px);
  }

  #avatar-wrap {
    width: auto;
    height: auto;
  }

  #avatar-img {
    width: clamp(168px, 50.4vw, 264px);
    height: auto;
  }

  #subtitle {
    font-size: clamp(21px, 5.5vw, 27px);
    padding: 0 18px;
  }

  #subtitle.answer {
    font-size: clamp(17px, 4.6vw, 22px);
  }

  #bar-outer {
    width: min(680px, calc(100vw - 28px));
  }

  #conv-bar {
    padding: 0 12px;
    border-color: var(--alpha-brand-border);
    background: var(--alpha-panel-strong);
    box-shadow:
      0 0 0 2px var(--alpha-brand-border-soft),
      0 18px 44px var(--alpha-shadow-strong),
      inset 0 1px 0 rgba(var(--rgb-brand-soft), .08),
      0 0 48px rgba(var(--rgb-brand), .12);
  }

  #mic-btn {
    width: clamp(62px, 15vw, 76px);
    height: clamp(62px, 15vw, 76px);
  }

  #language-btn {
    width: clamp(62px, 15vw, 76px);
    height: clamp(62px, 15vw, 76px);
  }

  #wave-canvas { height: 46px; }
}

@media (max-height: 700px) {
  :root {
    --conversation-height: 60px;
    --scene-bottom-extra: 8px;
  }

  #brand-logo { width: min(210px, 48vw); background: none; }
  #scene { padding-top: 48px; }
  #halo-wrap {
    width: min(86vh, 432px);
    height: min(86vh, 432px);
    margin-bottom: clamp(-44px, -8.6vh, -32px);
  }
  #avatar-wrap { width: auto; height: auto; }
  #avatar-img { width: clamp(130px, 34vh, 220px); height: auto; }
  #subtitle { font-size: clamp(19px, 4vh, 26px); }
  #wave-canvas { height: 34px; }
}


/* ═══════════════════════════════════════════
   INTRO — logo draws on, flies to the brand slot,
   then the rest of the app is revealed.
═══════════════════════════════════════════ */
#hero {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;                 /* shown only with JS + motion allowed */
  place-items: center;
  overflow: hidden;
  opacity: 1;
  background:
    radial-gradient(ellipse 72% 62% at 50% 44%, var(--color-bg-blue) 0%, var(--color-bg-soft) 52%, var(--color-bg) 100%);
  will-change: opacity;
}

#hero-logo {
  width: min(92vw, 1120px);
  height: auto;
  display: block;
  overflow: visible;
  transform-origin: top left;    /* FLIP maps the top-left corner */
  will-change: transform;
}

#hero-logo path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: none;
  stroke-dashoffset: 0;
}

#hero-logo .cyan path {
  stroke: var(--color-brand);
  stroke-width: 12px;
  filter:
    drop-shadow(0 0 3px var(--alpha-brand-glow-hot))
    drop-shadow(0 0 11px var(--alpha-brand-glow-strong))
    drop-shadow(0 0 22px var(--alpha-brand-glow));
}

#hero-logo .white path {
  stroke: var(--color-text);
  stroke-width: 12px;
  filter:
    drop-shadow(0 0 3px var(--alpha-brand-glow-hot))
    drop-shadow(0 0 11px var(--alpha-brand-glow-strong))
    drop-shadow(0 0 22px var(--alpha-brand-glow));
}

@media (prefers-reduced-motion: no-preference) {
  html.js #hero { display: grid; }

  /* Phase 1 — draw the strokes on */
  #hero-logo.draw path {
    stroke-dasharray: 2300;
    stroke-dashoffset: 2300;
    animation: heroDraw 2.35s cubic-bezier(.2, .75, .18, 1) forwards;
  }
  #hero-logo.draw .cyan path { animation-delay: .14s; }
  @keyframes heroDraw { to { stroke-dashoffset: 0; } }

  /* Phase 2 — fly to the brand slot */
  #hero-logo.flying { transition: transform 1s cubic-bezier(.66, 0, .18, 1); }

  /* Phase 3 — dissolve the overlay */
  #hero { transition: opacity .66s ease; }
  #hero.landing { opacity: 0; pointer-events: none; }

  /* App is staged off until the logo lands (layout stays intact for canvas sizing) */
  html.js #halo-wrap { opacity: 0; transition: opacity 1s ease .05s; }
  html.js #subtitle {
    opacity: 0; transform: translateY(16px);
    transition: opacity .8s ease .3s, transform .8s cubic-bezier(.2, .7, .2, 1) .3s;
  }
  html.js #bar-outer {
    opacity: 0; transform: translateX(-50%) translateY(18px);
    transition: opacity .8s ease .45s, transform .8s cubic-bezier(.2, .7, .2, 1) .45s;
  }
  html.js #brand-logo { opacity: 0; transition: opacity .6s ease; }

  html.js body.app-ready #halo-wrap { opacity: 1; }
  html.js body.app-ready #subtitle  { opacity: 1; transform: translateY(0); }
  html.js body.app-ready #bar-outer  { opacity: 1; transform: translateX(-50%) translateY(0); }
  html.js body.app-ready #brand-logo { opacity: 1; }
}

/* V1 shell layer */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

body.v1-ready #avatar-wrap {
  transition: filter .24s ease, transform .24s ease;
}

body.v1-ready #avatar-wrap[data-avatar-state="listening"] {
  filter: drop-shadow(0 0 20px var(--alpha-brand-glow));
}

body.v1-ready #avatar-wrap[data-avatar-state="speaking"] {
  filter: drop-shadow(0 0 22px var(--alpha-brand-glow));
  animation: labberti-speaking-pulse 1.1s ease-in-out infinite;
}

@keyframes labberti-speaking-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.015); }
}

body.v1-ready #avatar-wrap[data-avatar-state="thinking"] {
  filter: drop-shadow(0 0 24px var(--alpha-accent-glow));
}

body.v1-ready #avatar-wrap[data-avatar-state="uncertain"] {
  filter: saturate(.82) drop-shadow(0 0 18px var(--alpha-white-soft));
}

body.v1-ready #avatar-wrap[data-avatar-state="humor"] {
  filter: drop-shadow(0 0 26px var(--alpha-accent-glow));
}

#v1-current-question {
  position: fixed;
  left: 50%;
  bottom: calc(var(--conversation-bottom) + var(--conversation-height) + 10px);
  width: min(820px, calc(100vw - 32px));
  transform: translate(-50%, 8px);
  z-index: 8;
  display: flex;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}

#v1-current-question.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

#v1-current-question-text {
  max-width: min(760px, calc(100vw - 32px));
  color: var(--alpha-text-muted);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0;
  text-align: center;
  overflow-wrap: anywhere;
  text-shadow:
    0 1px 2px var(--alpha-shadow-text),
    0 0 18px rgba(var(--rgb-brand), .22);
}

.composer-center.v1-composer {
  justify-content: stretch;
}

.v1-form {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
}

#v1-question {
  position: relative;
  z-index: 3;
  width: 100%;
  min-width: 0;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--alpha-text-input);
  font: inherit;
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 600;
  letter-spacing: 0;
  text-align: center;
  text-shadow:
    0 1px 2px var(--alpha-shadow-text),
    0 0 18px var(--alpha-blue-shadow);
  caret-color: var(--color-brand);
}

#v1-question::placeholder {
  color: var(--alpha-text-placeholder);
  opacity: 1;
}

@media (max-width: 760px) {
  #v1-current-question {
    bottom: calc(var(--conversation-bottom) + var(--conversation-height) + 8px);
    width: min(620px, calc(100vw - 28px));
  }
}

@media (max-height: 700px) {
  #v1-current-question {
    bottom: calc(var(--conversation-bottom) + var(--conversation-height) + 8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.v1-ready #avatar-wrap,
  #v1-current-question {
    transition: none;
  }
}
#mic-btn[data-mode="send"] {
  border-color: var(--alpha-brand-border-strong);
  background:
    radial-gradient(circle at 35% 22%, rgba(var(--rgb-brand-soft), .25), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(var(--rgb-brand), .32), transparent 58%),
    linear-gradient(180deg, var(--alpha-control-top), var(--alpha-control-bottom));
}

#mic-btn[data-mode="send"] svg {
  width: 24px;
  height: 24px;
  stroke: var(--alpha-brand-icon);
  stroke-width: 2.05;
  transform: translateY(-1px) scale(1.08);
  transform-origin: center;
}

/* Offline shell */
body.offline-page {
  display: grid;
  grid-template-rows: minmax(92px, 18vh) 1fr minmax(116px, 22vh);
  justify-items: center;
  align-items: center;
  padding: clamp(18px, 4vh, 34px) 24px clamp(24px, 6vh, 48px);
  color: var(--color-text);
  background:
    radial-gradient(ellipse 72% 62% at 50% 44%, var(--color-bg-blue) 0%, var(--color-bg-soft) 52%, var(--color-bg) 100%);
}

body.offline-page #brand-logo {
  position: relative;
  top: auto;
  left: auto;
  z-index: 3;
  width: clamp(220px, 28vw, 340px);
  padding: 0;
  background: transparent;
  opacity: 1;
}

.offline-shell {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(560px, 100%);
  text-align: center;
}

.offline-face {
  width: clamp(164px, 32vw, 230px);
  height: auto;
  color: var(--color-text);
  filter:
    drop-shadow(0 0 18px var(--alpha-brand-glow))
    drop-shadow(0 0 34px var(--alpha-accent-glow));
}

.offline-copy {
  display: grid;
  align-self: center;
  justify-items: center;
  gap: 7px;
  color: var(--alpha-text-muted);
  font-size: clamp(15px, 2.1vw, 18px);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0;
  text-shadow:
    0 1px 2px var(--alpha-shadow-text),
    0 0 18px rgba(var(--rgb-brand), .18);
}

.offline-face__eyes,
.offline-face__eye-lid,
.offline-face__mouth-left,
.offline-face__mouth-right,
.offline-face__nose,
.offline-face__pupil {
  animation: offlineEyes 1s .3s forwards;
}

.offline-face__eye-lid,
.offline-face__pupil {
  animation-duration: 4s;
  animation-delay: 1.3s;
  animation-iteration-count: infinite;
}

.offline-face__eye-lid { animation-name: offlineEyeLid; }
.offline-face__mouth-left { animation-name: offlineMouthLeft; }
.offline-face__mouth-right { animation-name: offlineMouthRight; }
.offline-face__nose { animation-name: offlineNose; }
.offline-face__pupil { animation-name: offlinePupil; }

@keyframes offlineEyes {
  from { transform: translateY(112.5px); }
  to   { transform: translateY(15px); }
}

@keyframes offlineEyeLid {
  0%, 40%, 45%, 100% { transform: translateY(0); }
  42.5%              { transform: translateY(17.5px); }
}

@keyframes offlinePupil {
  0%, 37.5%, 40%, 45%, 87.5%, 100% { dashoffset: 0; transform: translate(0,0); }
  12.5%, 25%, 62.5%, 75%           { dashoffset: 0; transform: translate(-35px,0); }
  42.5%                            { dashoffset: 35; transform: translate(0,17.5px); }
}

@keyframes offlineMouthLeft {
  from { stroke-dashoffset: -102; }
  50%  { stroke-dashoffset: -102; }
  to   { stroke-dashoffset: 0; }
}

@keyframes offlineMouthRight {
  from { stroke-dashoffset: 102; }
  50%  { stroke-dashoffset: 102; }
  to   { stroke-dashoffset: 0; }
}

@keyframes offlineNose {
  from { transform: translate(0,0); }
  to   { transform: translate(0,22.5px); }
}

@media (prefers-reduced-motion: reduce) {
  .offline-face__eyes,
  .offline-face__eye-lid,
  .offline-face__mouth-left,
  .offline-face__mouth-right,
  .offline-face__nose,
  .offline-face__pupil {
    animation: none;
  }
}