/* ═══════════════════════════════════════════════════════════
   ГУРУ ЗАКУПОК — design system
   0. tokens   1. reset   2. orbs     3. primitives
   4. sidebar  5. topbar  6. thread   7. messages
   8. steps    9. composer 10. modal   11. misc    12. responsive
   ═══════════════════════════════════════════════════════════ */

/* ─────────── 0. TOKENS ─────────── */
:root{
  /* blue → cyan palette */
  --blue:#2b6cf6;
  --blue-2:#4f8cff;
  --sky:#63b3ff;
  --cyan:#22d3ee;
  --aqua:#5eead4;
  --pink:#f778c8;

  --grad-brand:linear-gradient(135deg,var(--blue) 0%,var(--blue-2) 45%,var(--cyan) 100%);
  --grad-text:linear-gradient(100deg,#ffffff 8%,var(--sky) 52%,var(--cyan) 92%);

  --r-xs:6px; --r-sm:9px; --r-md:12px; --r-lg:16px; --r-xl:20px; --r-pill:999px;

  --ease:cubic-bezier(.22,1,.36,1);
  --spring:cubic-bezier(.34,1.56,.64,1);
  --fast:.16s var(--ease);
  --mid:.26s var(--ease);
  --slow:.5s var(--ease);

  --sidebar-w:276px;
  --thread-w:1060px;
  --composer-w:880px;
}

/* dark (default) */
[data-theme="dark"]{
  --bg:#05080e;
  --bg-2:#090d16;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.075);
  --glass-strong:rgba(15,19,28,.72);
  --line:rgba(255,255,255,.075);
  --line-2:rgba(255,255,255,.14);
  --txt:#e9eef7;
  --txt-2:#9aa6bd;
  --txt-3:#66718a;
  --shadow:0 22px 60px -20px rgba(0,0,0,.8);
  --shadow-sm:0 6px 20px -10px rgba(0,0,0,.65);
  --bubble-user:linear-gradient(135deg,rgba(43,108,246,.26),rgba(34,211,238,.16));
  --bubble-ai:rgba(255,255,255,.035);
  --code-bg:rgba(0,0,0,.4);
  --grain-op:.03;
  --orb-1:rgba(43,108,246,.5);
  --orb-2:rgba(34,211,238,.36);
  --orb-3:rgba(99,179,255,.28);
  --orb-4:rgba(94,234,212,.2);
  --orb-strength:.5;
  --focus-ring:rgba(99,179,255,.5);
  --scroll:rgba(255,255,255,.13);
}

/* light */
[data-theme="light"]{
  --bg:#eef2f8;
  --bg-2:#f6f9fd;
  --glass:rgba(255,255,255,.6);
  --glass-2:rgba(255,255,255,.85);
  --glass-strong:rgba(255,255,255,.86);
  --line:rgba(20,32,60,.08);
  --line-2:rgba(20,32,60,.15);
  --txt:#111a2b;
  --txt-2:#4a556e;
  --txt-3:#8b93a8;
  --shadow:0 20px 50px -24px rgba(24,44,90,.38);
  --shadow-sm:0 6px 18px -10px rgba(24,44,90,.3);
  --bubble-user:linear-gradient(135deg,rgba(43,108,246,.15),rgba(34,211,238,.14));
  --bubble-ai:rgba(255,255,255,.72);
  --code-bg:rgba(18,28,50,.055);
  --grain-op:.045;
  --orb-1:rgba(43,108,246,.3);
  --orb-2:rgba(34,211,238,.28);
  --orb-3:rgba(99,179,255,.24);
  --orb-4:rgba(94,234,212,.2);
  --orb-strength:.4;
  --focus-ring:rgba(43,108,246,.4);
  --scroll:rgba(30,40,70,.18);
}

/* ─────────── 1. RESET ─────────── */
*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font:400 15px/1.62 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow:hidden;
  transition:background var(--mid),color var(--mid);
}
button,input,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
input,textarea{background:none;border:0;outline:none}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;display:block}
::selection{background:rgba(43,108,246,.4)}
:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:6px}

*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-track{background:transparent}
*::-webkit-scrollbar-thumb{background:var(--scroll);border-radius:99px;border:3px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:var(--txt-3);background-clip:content-box}

kbd{
  font:600 10.5px/1 "JetBrains Mono",monospace;
  padding:4px 6px;border-radius:5px;
  background:var(--glass-2);border:1px solid var(--line);
  color:var(--txt-2);white-space:nowrap;
}

/* ─────────── 2. ORBS (сферы-градиенты) ─────────── */
.orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{
  position:absolute;border-radius:50%;
  filter:blur(46px);
  opacity:var(--orb-strength);
  transition:opacity .9s var(--ease),transform 1.1s var(--ease);
  will-change:transform;
}
.orb--1{width:38vw;height:38vw;left:-8vw;top:-10vw;background:radial-gradient(circle at 35% 35%,var(--orb-1),transparent 68%);animation:drift1 30s ease-in-out infinite}
.orb--2{width:30vw;height:30vw;right:-6vw;top:6vh;background:radial-gradient(circle at 60% 40%,var(--orb-2),transparent 68%);animation:drift2 38s ease-in-out infinite}
.orb--3{width:26vw;height:26vw;left:32vw;bottom:-12vw;background:radial-gradient(circle at 40% 40%,var(--orb-3),transparent 68%);animation:drift3 34s ease-in-out infinite}
.orb--4{width:18vw;height:18vw;right:22vw;bottom:-6vw;background:radial-gradient(circle at 50% 50%,var(--orb-4),transparent 70%);animation:drift1 44s ease-in-out infinite reverse}

@keyframes drift1{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(5vw,4vh,0) scale(1.1)}}
@keyframes drift2{0%,100%{transform:translate3d(0,0,0) scale(1.06)}50%{transform:translate3d(-6vw,-5vh,0) scale(.94)}}
@keyframes drift3{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(4vw,-6vh,0) scale(1.08)}}

/* active states make spheres come forward */
body.is-streaming .orb{opacity:calc(var(--orb-strength) + .22);transform:scale(1.12)}
body.is-listening .orb{opacity:calc(var(--orb-strength) + .34);animation-duration:9s}
body.is-listening .orb--1{animation-duration:5.5s}
body.is-listening .orb--2{animation-duration:4.5s}
body.is-listening .orb--4{animation-duration:6s}
body.is-speaking .orb{opacity:calc(var(--orb-strength) + .3);animation-duration:7s}

/* halo behind the composer while listening / speaking */
.halo{
  position:fixed;left:50%;bottom:88px;z-index:0;
  width:min(680px,86vw);height:300px;transform:translateX(-50%) scale(.7);
  border-radius:50%;
  background:radial-gradient(circle,rgba(43,108,246,.4),rgba(34,211,238,.18) 45%,transparent 70%);
  filter:blur(40px);
  opacity:0;pointer-events:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
body.is-listening .halo,body.is-speaking .halo{
  opacity:.75;transform:translateX(-50%) scale(1);
  animation:haloPulse 2.4s var(--ease) infinite;
}
@keyframes haloPulse{0%,100%{opacity:.55;transform:translateX(-50%) scale(.96)}50%{opacity:.9;transform:translateX(-50%) scale(1.04)}}

.grain{
  position:fixed;inset:-200%;z-index:0;pointer-events:none;
  opacity:var(--grain-op);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* particle constellation */
.particles{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:.85;
  transition:opacity var(--slow);
}
body.is-streaming .particles,body.is-listening .particles,body.is-speaking .particles{opacity:1}
[data-theme="light"] .particles{opacity:.7}

/* ═══════════════════════════════════════════════════════════
   VOICE MODE — отдельный экран диалога
   ───────────────────────────────────────────────────────────
   Только голос: записал — распознали — ответили вслух — снова
   слушаем. Текстового ввода здесь нет вовсе. Выход — только
   кнопкой в шапке или Esc; шар не выходит, а останавливает.
   ═══════════════════════════════════════════════════════════ */
.vstage{
  position:absolute;inset:0;z-index:70;
  display:none;
  flex-direction:column;
  /* непрозрачная база + синий ореол поверх неё */
  background-color:#04070e;
  background-image:radial-gradient(110% 70% at 50% 16%,rgba(24,54,104,.75),rgba(5,9,18,0) 70%);
  overflow:hidden;
}
.vstage.is-on{display:flex;animation:vstageIn .34s var(--ease)}
@keyframes vstageIn{from{transform:translateY(-8px)}to{transform:none}}

/* Созвездие рисуется поверх подложки экрана, но под шаром.
   Когда голосовой экран открыт, канвас частиц переносится внутрь него
   (app.js, enterVoiceStage) — только так точки оказываются над подложкой
   и под содержимым: их z-index сравним с остальными слоями .vstage. */
body.is-voice-on .particles{opacity:1}
.vstage .particles{
  position:absolute;inset:0;z-index:71;
  width:100%;height:100%;
}
.vstage > *{z-index:72}

/* ── шапка: переключение режима + состояние ── */
.vstage__top{
  flex:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px 6px;
}
.vstage__mode{
  display:flex;align-items:center;gap:9px;
  padding:10px 18px 10px 15px;border-radius:var(--r-pill);
  border:1px solid rgba(99,179,255,.3);
  background:linear-gradient(135deg,rgba(43,108,246,.34),rgba(34,211,238,.2));
  color:#cfe4ff;font-size:13.5px;font-weight:650;cursor:pointer;
  box-shadow:0 10px 26px -16px rgba(43,108,246,1),inset 0 1px 0 rgba(255,255,255,.16);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform var(--fast),box-shadow var(--fast),background var(--fast);
}
.vstage__mode svg{width:16px;height:16px;stroke-width:2.1}
.vstage__mode:hover{
  background:linear-gradient(135deg,rgba(43,108,246,.55),rgba(34,211,238,.34));
  border-color:rgba(120,200,255,.55);color:#fff;
  transform:translateY(-1px);
  box-shadow:0 14px 30px -14px rgba(43,108,246,1),inset 0 1px 0 rgba(255,255,255,.24);
}
.vstage__mode:active{transform:translateY(0) scale(.98)}

.vstage__id{display:flex;align-items:center;gap:9px;min-width:0}
.vstage__live{
  width:7px;height:7px;border-radius:50%;background:var(--cyan);flex:none;
  box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:blip 1.6s ease-in-out infinite;
}
.vstage__status{
  font-size:14px;font-weight:650;letter-spacing:-.01em;color:var(--txt);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.vstage__timer{font:600 12px/1 "JetBrains Mono",monospace;color:var(--txt-3);flex:none}
.vstage__new{
  width:36px;height:36px;flex:none;border-radius:10px;
  display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--txt-2);
  transition:background var(--fast),color var(--fast),border-color var(--fast),transform var(--fast);
}
.vstage__new svg{width:18px;height:18px}
.vstage__new:hover{
  background:linear-gradient(135deg,rgba(43,108,246,.34),rgba(34,211,238,.2));
  border-color:rgba(99,179,255,.4);color:#dceaff;transform:translateY(-1px);
}
.vstage__new:active{transform:scale(.96)}

/* ── компактный шар и статус — одна узкая полоса над чатом ── */
.vstage__mid{
  flex:none;display:flex;align-items:center;gap:16px;
  padding:8px 20px 6px;
  max-width:820px;width:100%;margin:0 auto;
}
.vorb{
  position:relative;width:clamp(76px,11vmin,108px);height:clamp(76px,11vmin,108px);flex:none;
  display:grid;place-items:center;
  padding:0;border:0;background:none;cursor:pointer;border-radius:50%;
  transition:transform var(--spring);
}
.vorb:hover{transform:scale(1.04)}
.vorb:active{transform:scale(.97)}
.vorb__core{
  width:46%;height:46%;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,#dbeeff,var(--blue) 38%,#0a1f42 84%);
  box-shadow:0 0 60px rgba(43,108,246,.55),inset 0 -8px 22px rgba(0,0,0,.4);
  transform:scale(calc(1 + var(--lvl,0) * .22));
  transition:transform .12s linear;
}
.vorb__glow{
  position:absolute;inset:10%;border-radius:50%;
  background:radial-gradient(circle,rgba(43,108,246,.34),transparent 68%);
  filter:blur(22px);
  opacity:calc(.5 + var(--lvl,0) * .5);
  transition:opacity .16s linear;
}
.vorb__ring{position:absolute;border-radius:50%;border:1px solid rgba(99,179,255,.24);inset:12%;animation:ringOut 4.2s var(--ease) infinite}
.vorb__ring.r2{inset:22%;animation-delay:1.1s;border-color:rgba(34,211,238,.2)}
.vorb__ring.r3{inset:32%;animation-delay:2.2s;border-color:rgba(99,179,255,.16)}
.vstage.is-thinking .vorb__core{animation:thinkGlow 1.6s var(--ease) infinite}
@keyframes thinkGlow{0%,100%{transform:scale(.9)}50%{transform:scale(1.05)}}

.vstage__text{
  margin:0;flex:1;min-width:0;min-height:20px;text-align:left;
  font-size:14px;line-height:1.5;color:var(--txt-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.vstage__text.is-live{color:var(--txt)}

/* ── переписка голосового диалога: единственная прокручиваемая колонка,
   внутри — реплики, карточки шагов и локальные шаги STT/TTS ── */
.vstage__log{
  flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;
  width:100%;max-width:820px;margin:0 auto;
  padding:8px 20px 14px;
  display:flex;flex-direction:column;gap:10px;
  scrollbar-width:thin;
}
/* даже пустая лента держит высоту — иначе кнопки записи уплывают вверх */
.vrow{display:flex;flex-direction:column;gap:3px;animation:rowIn .3s var(--ease)}
@keyframes rowIn{from{transform:translateY(7px)}to{transform:none}}
.vrow__who{
  font-size:10.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--txt-3);
}
.vrow__bubble{
  position:relative;
  padding:11px 15px;border-radius:14px;
  font-size:14.5px;line-height:1.6;color:var(--txt);
  background:var(--glass);border:1px solid var(--line);
}
.vrow--user{align-items:flex-end}
.vrow--user .vrow__who{text-align:right}
.vrow--user .vrow__bubble{
  max-width:86%;
  background:linear-gradient(135deg,rgba(43,108,246,.26),rgba(34,211,238,.16));
  border-color:rgba(99,179,255,.3);
}
.vrow--ai .vrow__bubble{background:rgba(255,255,255,.035);max-width:100%}
.vrow__acts{display:flex;justify-content:flex-end;margin-top:6px}
.vrow__speak{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
  color:var(--txt-3);opacity:.75;
  transition:background var(--fast),color var(--fast),opacity var(--fast);
}
.vrow__speak svg{width:16px;height:16px}
.vrow__speak:hover{background:var(--glass-2);color:var(--txt);opacity:1}
.vrow__speak.is-loading{color:var(--sky)}
.vrow__speak.is-loading svg{animation:spinSlow 1.1s linear infinite}
.vrow__speak.is-playing{color:var(--cyan)}
.vrow__speak.is-err{color:#ff8ba1}
.vrow__bubble p{margin:0 0 8px}
.vrow__bubble p:last-child{margin:0}
.vrow__bubble code{
  font:500 12.5px/1.5 "JetBrains Mono",monospace;
  background:rgba(99,179,255,.14);padding:1px 5px;border-radius:5px;
}
.vrow__bubble pre{
  margin:9px 0;padding:10px 12px;border-radius:10px;overflow-x:auto;
  background:rgba(2,8,20,.6);border:1px solid var(--line);
  font:500 12px/1.55 "JetBrains Mono",monospace;color:#cfe4ff;
}
.vrow__bubble pre code{background:none;padding:0}
.vrow__bubble h1,.vrow__bubble h2,.vrow__bubble h3{margin:11px 0 5px;font-size:15px;font-weight:700}
.vrow__bubble h1:first-child,.vrow__bubble h2:first-child,.vrow__bubble h3:first-child{margin-top:0}
.vrow__bubble ul{margin:7px 0;padding-left:19px}
.vrow__bubble li{margin:3px 0}

/* шаги рассуждения — раскрывающиеся плашки внутри общей ленты чата */
.vstage__steps{
  display:flex;flex-direction:column;gap:7px;min-width:0;width:100%;
}
.vstage__steps:empty{display:none}
.vstep{
  border-radius:12px;
  background:rgba(255,255,255,.028);border:1px solid transparent;
  transition:background var(--fast),color var(--fast),border-color var(--fast);
}
.vstep__h{
  display:flex;align-items:center;gap:9px;width:100%;
  padding:6px 11px;border-radius:12px;cursor:pointer;
  font-size:12.5px;color:var(--txt-3);text-align:left;
  background:none;border:0;color:inherit;font-family:inherit;
}
.vstep__h:hover{background:rgba(255,255,255,.045)}
.vstep__n{
  width:17px;height:17px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:9.5px;font-weight:700;
  background:var(--glass-2);color:var(--txt-3);
}
.vstep__n svg{width:10px;height:10px;stroke-width:3}
.vstep__t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vstep__chev{
  width:14px;height:14px;flex:none;opacity:.5;
  transition:transform var(--fast),opacity var(--fast);
}
.vstep.is-done .vstep__t{color:var(--txt-2)}
.vstep.is-done .vstep__n{background:rgba(34,211,238,.18);color:var(--cyan)}
.vstep.is-live{
  border-color:rgba(99,179,255,.34);
  background:linear-gradient(90deg,rgba(43,108,246,.2),rgba(34,211,238,.1));
}
.vstep.is-live .vstep__h{color:var(--txt)}
.vstep.is-live .vstep__n{background:var(--grad-brand);color:#fff}
.vstep--more{
  background:none;border:1px dashed var(--line);
  color:var(--txt-3);justify-content:center;padding:3px 11px;font-size:11.5px;
}

/* раскрытая плашка: широкая, с переключением разделов */
.vstep.is-open{
  border-color:rgba(99,179,255,.3);
  background:rgba(8,16,32,.72);
  box-shadow:0 18px 40px -26px rgba(43,108,246,.9);
}
.vstep.is-open .vstep__h{color:var(--txt);border-radius:12px 12px 0 0}
.vstep.is-open .vstep__chev{transform:rotate(180deg);opacity:.85}
.vstep__tabs{
  display:flex;gap:4px;padding:0 11px 8px;flex-wrap:wrap;
}
.vstep__tab{
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--txt-3);font:600 11.5px/1 inherit;font-family:inherit;
  padding:6px 11px;border-radius:99px;cursor:pointer;
  transition:background var(--fast),color var(--fast),border-color var(--fast);
}
.vstep__tab:hover{color:var(--txt-2);border-color:rgba(99,179,255,.28)}
.vstep__tab.is-on{
  background:linear-gradient(135deg,rgba(43,108,246,.36),rgba(34,211,238,.22));
  border-color:rgba(99,179,255,.42);color:#dceaff;
}
.vstep__pane{
  /* читать надо широко: длинные мысли не должны идти узкой колонкой */
  width:100%;text-align:left;
  max-height:min(38vh,320px);overflow:auto;
  padding:11px 14px 13px;font-size:13.5px;line-height:1.62;color:var(--txt-2);
  white-space:pre-wrap;word-break:break-word;
  border-top:1px solid var(--line);
}
.vstep:not(.is-open) .vstep__pane{display:none}
.vstep__out{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.vstep__pane:empty{display:none}
.vstep__pane code{
  font:500 12px/1.5 "JetBrains Mono",monospace;
  background:rgba(99,179,255,.14);padding:1px 5px;border-radius:5px;
}
/* вкладка «Вывод» — обычная разметка ответа, без сплошных пробелов */
.vstep__pane--md{white-space:normal}
.vstep__pane--md > *:first-child{margin-top:0}
.vstep__pane--md p{margin:0 0 9px}
.vstep__pane--md h1,.vstep__pane--md h2,.vstep__pane--md h3{margin:12px 0 6px;font-size:14px;font-weight:700;color:var(--txt)}
.vstep__pane--md ul,.vstep__pane--md ol{margin:8px 0;padding-left:20px}
.vstep__pane--md li{margin:4px 0}
.vstep__pane--md pre{
  margin:10px 0;padding:10px 12px;border-radius:10px;overflow-x:auto;
  background:rgba(2,8,20,.6);border:1px solid var(--line);
  font:500 12px/1.55 "JetBrains Mono",monospace;color:#cfe4ff;
}
.vstep__pane--md pre code{background:none;padding:0}
.vstep__pane--md strong{color:var(--txt)}
.vstage__steps:has(.vstep.is-open){max-width:none}

/* ── низ: волна и две круглые кнопки ── */
.vstage__foot{
  flex:none;display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:6px 20px calc(20px + env(safe-area-inset-bottom));
}
.vstage__wave{display:flex;align-items:center;justify-content:center;gap:3px;height:42px;overflow:hidden}
.vstage__wave i{width:3px;min-height:3px;border-radius:99px;background:linear-gradient(180deg,var(--cyan),var(--sky));transition:height .07s linear}

.vstage__acts{display:flex;align-items:center;gap:18px}
.vstage__btn{
  position:relative;width:62px;height:62px;border-radius:50%;flex:none;
  display:grid;place-items:center;cursor:pointer;
  color:#fff;border:1px solid transparent;
  transition:transform var(--spring),background var(--fast),box-shadow var(--fast),opacity var(--fast);
}
.vstage__btn svg{width:25px;height:25px;position:absolute;transition:opacity var(--fast),transform var(--fast)}

/* остановить: спокойная красная рамка, всегда доступна */
.vstage__btn--stop{
  background:linear-gradient(135deg,rgba(216,30,74,.9),rgba(255,107,133,.62));
  box-shadow:0 14px 32px -14px rgba(216,30,74,.9),inset 0 1px 0 rgba(255,255,255,.26);
}
.vstage__btn--stop:hover{transform:scale(1.06)}
.vstage__btn--stop:active{transform:scale(.95)}

/* отправить / записать: всегда синий — красный принадлежит только «стоп»,
   иначе во время записи кнопки не отличить друг от друга */
.vstage__btn--send{
  background:var(--grad-brand);
  box-shadow:0 14px 32px -14px rgba(43,108,246,1),inset 0 1px 0 rgba(255,255,255,.3);
}
.vstage__btn--send:hover{transform:scale(1.06)}
.vstage__btn--send:active{transform:scale(.95)}
.vstage__btn--send.is-rec::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;
  border:2px solid rgba(99,179,255,.55);animation:ringOut 1.8s var(--ease) infinite;
}
.vstage__btn--send .vbtn__send{opacity:0;transform:scale(.5)}
.vstage__btn--send.is-rec .vbtn__mic{opacity:0;transform:scale(.5)}
.vstage__btn--send.is-rec .vbtn__send{opacity:1;transform:none}

.vstage__btn[disabled]{opacity:.36;pointer-events:none}
.vstage__btn.is-busy{background:linear-gradient(135deg,rgba(43,108,246,.85),rgba(34,211,238,.6))}

.vstage__hint{margin:0;font-size:12px;color:var(--txt-3);text-align:center;min-height:16px}

/* ── мобильный: та же композиция, плотнее; ничего не наезжает ── */
@media (max-width:860px){
  .vstage__top{padding:calc(12px + env(safe-area-inset-top)) 14px 2px}
  .vstage__id{flex-direction:column;align-items:flex-end;gap:3px}
  .vstage__live{display:none}
  .vstage__status{font-size:13px;max-width:38vw}
  .vstage__mid{padding:6px 16px 4px;gap:12px}
  .vorb{width:72px;height:72px}
  .vstage__text{font-size:13.5px;-webkit-line-clamp:2}
  .vstage__log{padding:6px 14px 10px;gap:8px}
  .vrow__bubble{font-size:14px}
  .vrow--user .vrow__bubble{max-width:94%}
  .vstage__foot{padding-bottom:calc(22px + env(safe-area-inset-bottom))}
  .vstage__wave{height:34px}
  .vstage__acts{gap:14px}
  .vstage__btn{width:56px;height:56px}
  .vstage__btn svg{width:23px;height:23px}
  .vstage__new{width:34px;height:34px}
  .vstep__pane{max-height:min(36vh,260px);font-size:13px;padding:10px 12px 12px}
  .vstep__tab{padding:5px 9px;font-size:11px}
  .lstep__b{padding-left:12px}
}
@media (max-width:480px){
  .vstage__top{gap:10px}
  .vstage__mode{padding:8px 13px 8px 11px;font-size:12.5px}
  .vstage__status{max-width:30vw}
  .vorb{width:64px;height:64px}
  .vstage__mid{padding:4px 12px 2px;gap:10px}
  .vstage__log{padding:4px 12px 8px}
  .vstage__btn{width:54px;height:54px}
  .vstep__h{padding:6px 9px;font-size:12px}
}

/* ─────────── 3. PRIMITIVES ─────────── */
.icon-btn{
  display:grid;place-items:center;
  width:36px;height:36px;border-radius:10px;
  color:var(--txt-2);
  transition:background var(--fast),color var(--fast),transform var(--fast);
}
.icon-btn:hover{background:var(--glass-2);color:var(--txt);transform:translateY(-1px)}
.icon-btn:active{transform:scale(.94)}
.icon-btn--solid{background:var(--glass);border:1px solid var(--line);color:var(--txt-2)}
.icon-btn--danger{background:rgba(255,86,120,.14);color:#ff7a92;border:1px solid rgba(255,86,120,.24)}
.icon-btn--danger:hover{background:rgba(255,86,120,.24);color:#ff9db0}

.neo-btn{
  display:flex;align-items:center;gap:10px;
  padding:10px 13px;border-radius:var(--r-md);
  font-weight:600;font-size:14px;
  transition:transform var(--fast),box-shadow var(--fast),background var(--fast),border-color var(--fast);
}
.neo-btn span{flex:1;text-align:left}
.neo-btn__ico{width:18px;height:18px}
.neo-btn kbd{opacity:.7}
.neo-btn--primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 10px 24px -12px rgba(43,108,246,.85),inset 0 1px 0 rgba(255,255,255,.26);
  position:relative;overflow:hidden;
}
.neo-btn--primary::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 30%,rgba(255,255,255,.3) 50%,transparent 70%);
  transform:translateX(-120%);transition:transform .8s var(--ease);
}
.neo-btn--primary:hover::after{transform:translateX(120%)}
.neo-btn--primary:hover{transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(43,108,246,.95),inset 0 1px 0 rgba(255,255,255,.3)}
.neo-btn--primary:active{transform:translateY(0) scale(.99)}
.neo-btn--quiet{background:var(--glass);border:1px solid var(--line);color:var(--txt-2);width:100%}
.neo-btn--quiet:hover{background:var(--glass-2);color:var(--txt)}
.neo-btn--danger{background:rgba(255,86,120,.1);border:1px solid rgba(255,86,120,.26);color:#ff8ba1;width:100%;justify-content:center}
.neo-btn--danger span{flex:0;text-align:center}
.neo-btn--danger:hover{background:rgba(255,86,120,.18);transform:translateY(-1px)}

.field{position:relative;display:flex;align-items:center}
.field__ico{position:absolute;left:12px;width:17px;height:17px;color:var(--txt-3);pointer-events:none}
.field input{
  width:100%;padding:9px 34px 9px 36px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:13.5px;transition:border-color var(--fast),background var(--fast);
}
.field input::placeholder{color:var(--txt-3)}
.field input:focus{border-color:var(--line-2);background:var(--glass-2)}
.field__clear{
  position:absolute;right:8px;width:24px;height:24px;border-radius:7px;
  display:none;place-items:center;color:var(--txt-3);
}
.field__clear svg{width:14px;height:14px}
.field__clear:hover{background:var(--glass-2);color:var(--txt)}
.field.is-filled .field__clear{display:grid}

.avatar{
  width:32px;height:32px;border-radius:10px;flex:none;
  display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff;
  background:var(--grad-brand);box-shadow:0 6px 16px -8px rgba(43,108,246,.8);
}
.avatar--sm{width:30px;height:30px;border-radius:9px;font-size:12px}

/* toggle */
.toggle{
  width:50px;height:29px;border-radius:99px;position:relative;flex:none;
  background:var(--glass-2);border:1px solid var(--line);
  transition:background var(--mid),border-color var(--mid);
}
.toggle[aria-checked="true"]{background:var(--grad-brand);border-color:transparent}
.toggle__thumb{
  position:absolute;top:3px;left:3px;width:21px;height:21px;border-radius:50%;
  background:#fff;display:grid;place-items:center;color:#1d4ed8;
  box-shadow:0 3px 8px rgba(0,0,0,.3);
  transition:transform var(--spring);
}
.toggle[aria-checked="true"] .toggle__thumb{transform:translateX(21px)}
.toggle__ico{width:13px;height:13px;stroke-width:2.2;position:absolute}
.toggle__ico--sun{display:none}
[data-theme="dark"] .toggle__ico--moon{display:block}
[data-theme="light"] .toggle__ico--moon{display:none}
[data-theme="light"] .toggle__ico--sun{display:block}
.toggle--sm{width:44px;height:26px}
.toggle--sm .toggle__thumb{width:18px;height:18px}

/* segmented */
.seg{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  padding:4px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
}
.seg__btn{
  position:relative;z-index:2;padding:9px 12px;border-radius:9px;
  font-size:13px;font-weight:600;color:var(--txt-3);
  transition:color var(--mid);
}
.seg__btn.is-active{color:#fff}
.seg__thumb{
  position:absolute;z-index:1;top:4px;left:4px;width:calc(50% - 4px);height:calc(100% - 8px);
  border-radius:9px;background:var(--grad-brand);
  box-shadow:0 8px 20px -10px rgba(43,108,246,.9);
  transition:transform var(--mid);
}
.seg__btn:nth-child(2).is-active ~ .seg__thumb{transform:translateX(100%)}

.hint{margin:10px 2px 0;font-size:12px;line-height:1.55;color:var(--txt-3)}

/* ─────────── 4. SIDEBAR ─────────── */
.app{position:relative;z-index:1;display:flex;height:100vh;height:100dvh}

.sidebar{
  width:var(--sidebar-w);flex:none;
  display:flex;flex-direction:column;gap:11px;
  padding:14px 12px;
  border-right:1px solid var(--line);
  transition:transform var(--mid),width var(--mid),opacity var(--mid);
  position:relative;z-index:9;
}
.sidebar__glass{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,var(--glass),transparent 42%);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
[data-theme="light"] .sidebar__glass{background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.3))}

.sidebar__head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand__mark{width:34px;height:34px;flex:none;filter:drop-shadow(0 5px 12px rgba(43,108,246,.55))}
.brand__mark svg{width:100%;height:100%;animation:spinSlow 24s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.brand__text{display:flex;flex-direction:column;line-height:1.22;min-width:0}
.brand__text strong{font-size:16px;letter-spacing:-.02em}
.brand__text em{
  font-style:normal;font-size:10.5px;color:var(--txt-3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.conv-list{
  flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;
  display:flex;flex-direction:column;gap:2px;
  margin:2px -5px;padding:2px 5px;
}
.conv-group{
  font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--txt-3);padding:11px 9px 5px;
}
.conv{
  position:relative;display:flex;align-items:center;gap:9px;
  padding:8px 9px;border-radius:9px;cursor:pointer;
  color:var(--txt-2);text-align:left;width:100%;
  transition:background var(--fast),color var(--fast);
  animation:convIn .3s var(--ease) forwards;
}
@keyframes convIn{from{transform:translateX(-6px)}to{transform:none}}
.conv:hover{background:var(--glass);color:var(--txt)}
.conv.is-active{background:var(--glass-2);color:var(--txt)}
.conv.is-active::before{
  content:"";position:absolute;left:-5px;top:50%;transform:translateY(-50%);
  width:3px;height:17px;border-radius:99px;background:var(--grad-brand);
}
.conv__ico{width:16px;height:16px;flex:none;opacity:.55}
.conv.is-active .conv__ico{opacity:1;color:var(--sky)}
.conv__title{flex:1;min-width:0;font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv__more{
  width:24px;height:24px;border-radius:7px;display:grid;place-items:center;flex:none;
  color:var(--txt-3);opacity:0;transition:opacity var(--fast),background var(--fast);
}
.conv__more svg{width:15px;height:15px;fill:currentColor;stroke:none}
.conv:hover .conv__more{opacity:1}
.conv__more:hover{background:var(--glass-2);color:var(--txt)}
.conv mark{background:rgba(43,108,246,.4);color:#fff;border-radius:3px;padding:0 2px}

.conv-empty{display:none;flex-direction:column;align-items:center;gap:8px;padding:26px 10px;color:var(--txt-3);text-align:center}
.conv-empty svg{width:26px;height:26px;opacity:.5}
.conv-empty p{margin:0;font-size:12.5px}
.conv-list.is-empty{flex:0 0 auto}
.conv-list.is-empty + .conv-empty{display:flex}

.sidebar__foot{display:flex;flex-direction:column;gap:7px}

/* collapsed — fully out of the way, main grows */
body.is-collapsed .sidebar{
  width:0;padding-left:0;padding-right:0;opacity:0;
  transform:translateX(-16px);overflow:hidden;pointer-events:none;
}
body.is-collapsed .sidebar > *{opacity:0}
body.is-collapsed .conv-list{display:none}
body.is-collapsed #openSidebar{display:grid}

/* ─────────── 5. TOPBAR ─────────── */
.main{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}
.main.is-empty{justify-content:center}
/* keep the toolbar pinned to the top while the hero + composer centre */
.main.is-empty .topbar{position:absolute;top:0;left:0;right:0}
.main.is-empty .thread{flex:0 0 auto;overflow:visible;scroll-behavior:auto}
.main.is-empty .thread__inner{padding-top:0;padding-bottom:0}
.main.is-empty .dock{background:none;padding-top:0}
#openSidebar{display:none}

.topbar{
  height:58px;flex:none;
  display:flex;align-items:center;gap:9px;padding:0 16px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--glass),transparent);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  z-index:6;
}
.topbar__spacer{flex:1}

.picker{position:relative;display:flex;align-items:center;gap:8px;min-width:0}
.picker__name{max-width:220px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.picker__btn{
  display:flex;align-items:center;gap:8px;
  padding:7px 11px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--txt);
  transition:background var(--fast),border-color var(--fast);
}
.picker__btn:hover{background:var(--glass-2);border-color:var(--line-2)}
.picker__dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);flex:none;box-shadow:0 0 0 3px rgba(94,234,212,.16);animation:blip 2.4s ease-in-out infinite}
.picker__dot.is-off{background:var(--txt-3);box-shadow:0 0 0 3px rgba(255,255,255,.06);animation:none}
@keyframes blip{0%,100%{opacity:1}50%{opacity:.35}}
.picker__chev{width:15px;height:15px;color:var(--txt-3)}
.picker__menu{
  position:absolute;top:calc(100% + 8px);left:0;z-index:20;
  min-width:250px;padding:6px;
  background:var(--glass-strong);border:1px solid var(--line-2);border-radius:var(--r-md);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  box-shadow:var(--shadow);
  opacity:0;transform:translateY(-8px) scale(.97);pointer-events:none;
  transition:opacity var(--fast),transform var(--fast);
}
.picker__menu.is-open{opacity:1;transform:none;pointer-events:auto}
.picker__opt{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:8px 10px;border-radius:8px;font-size:13.5px;color:var(--txt-2);text-align:left;
  transition:background var(--fast),color var(--fast);
}
.picker__opt:hover{background:var(--glass-2);color:var(--txt)}
.picker__opt.is-active{background:rgba(43,108,246,.16);color:var(--txt)}
.picker__opt .tick{margin-left:auto;width:16px;height:16px;color:var(--sky);opacity:0}
.picker__opt.is-active .tick{opacity:1}
.picker__opt small{display:block;font-size:10.5px;color:var(--txt-3);font-weight:400}
.picker__opt b{font-weight:600}

.metric{
  display:flex;align-items:center;gap:7px;
  padding:6px 11px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  font:500 11.5px/1 "JetBrains Mono",monospace;color:var(--txt-3);
  transition:color var(--mid);
}
.metric svg{width:13px;height:13px}
.metric__pulse{width:6px;height:6px;border-radius:50%;background:var(--txt-3)}
.metric.is-live{color:var(--aqua)}
.metric.is-live .metric__pulse{background:var(--aqua);animation:blip 1.1s ease-in-out infinite}
@media (max-width:940px){.metric--tokens{display:none}}
@media (max-width:680px){.metric{display:none}}

/* ─────────── 6. THREAD ─────────── */
.thread{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;scroll-behavior:smooth}
.thread__inner{max-width:var(--thread-w);margin:0 auto;padding:28px 26px 36px;display:flex;flex-direction:column;gap:26px}

.hero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:0 0 18px;animation:heroIn .6s var(--ease)}
@keyframes heroIn{from{transform:translateY(14px)}to{transform:none}}
.hero__orb{position:relative;width:104px;height:104px;display:grid;place-items:center}
.hero__core{
  width:46px;height:46px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#bfe4ff,var(--blue) 42%,#0b2b57 82%);
  box-shadow:0 0 40px rgba(43,108,246,.6),inset 0 -5px 12px rgba(0,0,0,.35);
  animation:coreFloat 5.5s ease-in-out infinite;
}
@keyframes coreFloat{0%,100%{transform:translateY(-3px) scale(1)}50%{transform:translateY(3px) scale(1.05)}}
.hero__ring{position:absolute;border-radius:50%;border:1px solid rgba(99,179,255,.3);inset:0;animation:ringOut 3.6s var(--ease) infinite}
.hero__ring:nth-child(2){animation-delay:1.2s}
.hero__ring:nth-child(3){animation-delay:2.4s}
@keyframes ringOut{0%{transform:scale(.5);opacity:.85}100%{transform:scale(1.5);opacity:0}}
.hero h1{margin:4px 0 0;font-size:28px;letter-spacing:-.03em;font-weight:700;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{margin:0;max-width:420px;color:var(--txt-2);font-size:14px}

.chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:4px}
.chip{
  padding:8px 14px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line);
  font-size:13px;color:var(--txt-2);
  transition:transform var(--fast),background var(--fast),color var(--fast),border-color var(--fast);
  animation:chipIn .45s var(--ease) forwards;
}
.chip:hover{transform:translateY(-1px);background:var(--glass-2);color:var(--txt);border-color:var(--line-2)}
@keyframes chipIn{from{transform:translateY(6px) scale(.97)}to{transform:none}}

/* ─────────── 7. MESSAGES ─────────── */
.messages{display:flex;flex-direction:column;gap:22px}

.msg{animation:msgIn .38s var(--ease) forwards}
/* Entrance motion uses transform only — content is never hidden by a stalled animation. */
@keyframes msgIn{from{transform:translateY(10px) scale(.995)}to{transform:none}}

.msg__body{
  padding:13px 16px;border-radius:var(--r-md);
  overflow-wrap:anywhere;
  transition:border-color var(--fast),background var(--fast);
}
.msg--user .msg__body{
  margin-left:auto;max-width:min(680px,86%);
  background:var(--bubble-user);border:1px solid rgba(43,108,246,.26);
  border-top-right-radius:var(--r-xs);
}
.msg--ai .msg__body{
  background:var(--bubble-ai);border:1px solid var(--line);
  border-top-left-radius:var(--r-xs);
}
.msg--ai.is-highlight .msg__body{border-color:rgba(43,108,246,.35)}

.msg__acts{display:flex;align-items:center;gap:2px;margin-top:7px;opacity:0;transform:translateY(-3px);transition:opacity var(--fast),transform var(--fast)}
.msg:hover .msg__acts,.msg:focus-within .msg__acts{opacity:1;transform:none}
.msg--user .msg__acts{justify-content:flex-end}
.act{
  display:flex;align-items:center;gap:5px;
  padding:5px 8px;border-radius:7px;font-size:11.5px;color:var(--txt-3);
  transition:background var(--fast),color var(--fast);
}
.act svg{width:14px;height:14px}
.act:hover{background:var(--glass-2);color:var(--txt)}
.act.is-ok{color:var(--aqua)}
.act[disabled]{opacity:.35;pointer-events:none}

.variants{display:flex;align-items:center;gap:1px;margin-right:auto}
.variants__btn{
  width:26px;height:26px;border-radius:7px;display:grid;place-items:center;color:var(--txt-3);
  transition:background var(--fast),color var(--fast);
}
.variants__btn svg{width:15px;height:15px}
.variants__btn:hover:not([disabled]){background:var(--glass-2);color:var(--txt)}
.variants__btn[disabled]{opacity:.3;pointer-events:none}
.variants__count{font:500 11px/1 "JetBrains Mono",monospace;color:var(--txt-3);padding:0 5px;min-width:34px;text-align:center}

/* markdown */
.md > *:first-child{margin-top:0}
.md > *:last-child{margin-bottom:0}
.md p{margin:0 0 10px}
.md h1,.md h2,.md h3{margin:19px 0 9px;line-height:1.32;letter-spacing:-.02em}
.md h1{font-size:20px}.md h2{font-size:17.5px}.md h3{font-size:15.5px}
.md ul,.md ol{margin:0 0 10px;padding-left:21px}
.md li{margin:4px 0}
.md a{color:var(--sky);text-decoration:underline;text-underline-offset:3px}
.md strong{font-weight:650;color:var(--txt)}
.md em{color:var(--txt-2)}
.md hr{border:0;border-top:1px solid var(--line);margin:16px 0}
.md blockquote{
  margin:11px 0;padding:9px 13px;border-left:2.5px solid var(--blue);
  background:var(--glass);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--txt-2);
}
.md code{
  font:500 13px/1.5 "JetBrains Mono",monospace;
  background:var(--code-bg);padding:2px 5px;border-radius:5px;border:1px solid var(--line);
}
.md-code{margin:11px 0;border-radius:var(--r-sm);background:var(--code-bg);border:1px solid var(--line);overflow:hidden}
.md-code__bar{
  display:flex;align-items:center;justify-content:space-between;
  padding:6px 11px;border-bottom:1px solid var(--line);
  background:var(--glass);font:500 11px/1 "JetBrains Mono",monospace;color:var(--txt-3);
}
.md-code__copy{
  display:flex;align-items:center;gap:5px;padding:4px 8px;border-radius:6px;
  font-size:11px;font-family:"Inter",sans-serif;color:var(--txt-3);
  transition:background var(--fast),color var(--fast);
}
.md-code__copy em{font-style:normal}
.md-code__copy svg{width:13px;height:13px}
.md-code__copy:hover{background:var(--glass-2);color:var(--txt)}
.md-code__copy.is-ok{color:var(--aqua)}
.md-code pre{margin:0;background:none;border:0;border-radius:0;overflow:hidden}
.md-code code{display:block;padding:13px 15px;font-size:12.5px;line-height:1.62;overflow-x:auto;background:none;border:0}
.md table{width:100%;border-collapse:collapse;margin:11px 0;font-size:13.5px}
.md th,.md td{padding:7px 10px;border:1px solid var(--line);text-align:left}
.md th{background:var(--glass);font-weight:600}

.caret{
  display:inline-block;width:7px;height:15px;margin-left:2px;vertical-align:-3px;
  border-radius:2px;background:var(--sky);
  animation:caret .9s steps(1) infinite;
}
@keyframes caret{0%,49%{opacity:1}50%,100%{opacity:0}}

.typing{display:inline-flex;gap:4px;align-items:center;padding:2px 0}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--txt-3);animation:dots 1.25s var(--ease) infinite}
.typing i:nth-child(2){animation-delay:.16s}
.typing i:nth-child(3){animation-delay:.32s}
@keyframes dots{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}

/* ─────────── 8. STEPS (reasoning blocks) ─────────── */
.steps{
  margin-bottom:10px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  overflow:hidden;
}
.steps__head{
  display:flex;align-items:center;gap:9px;width:100%;
  padding:9px 12px;text-align:left;
  transition:background var(--fast);
}
.steps__head:hover{background:var(--glass-2)}
.steps__ico{width:16px;height:16px;color:var(--sky);flex:none}
.steps__label{font-size:12.5px;font-weight:600;color:var(--txt-2);flex:1}
.steps__count{font:500 10.5px/1 "JetBrains Mono",monospace;color:var(--txt-3)}
.steps__chev{width:15px;height:15px;color:var(--txt-3);transition:transform var(--mid)}
.steps.is-open .steps__chev{transform:rotate(180deg)}

.steps__progress{height:2px;background:var(--line);overflow:hidden}
.steps__progress i{display:block;height:100%;width:0;background:var(--grad-brand);transition:width .35s var(--ease)}

.steps__list{display:none;padding:2px 12px 10px}
.steps.is-open .steps__list{display:block;animation:fadeIn .28s var(--ease)}
@keyframes fadeIn{from{transform:translateY(-4px)}to{transform:none}}

.step{border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step__head{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:8px 2px;text-align:left;color:var(--txt-2);
  transition:color var(--fast);
}
.step__head:hover{color:var(--txt)}
.step__node{
  width:19px;height:19px;border-radius:50%;flex:none;
  display:grid;place-items:center;font:600 10px/1 "JetBrains Mono",monospace;
  background:var(--glass-2);border:1px solid var(--line-2);color:var(--txt-3);
  transition:background var(--mid),border-color var(--mid),color var(--mid);
}
.step__node svg{width:11px;height:11px;stroke-width:2.6}
.step.is-done .step__node{background:rgba(43,108,246,.2);border-color:rgba(43,108,246,.45);color:var(--sky)}
.step.is-live .step__node{border-color:var(--blue);color:var(--sky);box-shadow:0 0 0 3px rgba(43,108,246,.16);animation:nodePulse 1.6s var(--ease) infinite}
@keyframes nodePulse{0%,100%{box-shadow:0 0 0 3px rgba(43,108,246,.16)}50%{box-shadow:0 0 0 6px rgba(43,108,246,.05)}}

.step__title{flex:1;min-width:0;font-size:13px;font-weight:550;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.step.is-done .step__title{color:var(--txt)}
.step.is-live .step__title{color:var(--txt)}
.step__chev{width:14px;height:14px;color:var(--txt-3);opacity:0;transition:transform var(--mid),opacity var(--fast);flex:none}
.step.is-open .step__chev{transform:rotate(180deg);opacity:1}
.step__head:hover .step__chev{opacity:.8}

.step__body{
  max-height:0;opacity:0;overflow:hidden;
  padding-left:29px;
  transition:max-height .32s var(--ease),opacity .25s var(--ease),padding .3s var(--ease);
}
.step.is-open .step__body{max-height:340px;opacity:1;padding:0 0 10px 29px}
.step__body p{margin:0;font-size:12.5px;line-height:1.6;color:var(--txt-2)}

.thinking-row{display:flex;align-items:center;gap:9px;padding:8px 2px 2px;font-size:12.5px;color:var(--txt-3)}
.think-bars{display:inline-flex;gap:3px}
.think-bars i{
  width:3.5px;height:11px;border-radius:2px;background:linear-gradient(180deg,var(--sky),var(--cyan));
  animation:think 1s var(--ease) infinite;
}
.think-bars i:nth-child(2){animation-delay:.14s}
.think-bars i:nth-child(3){animation-delay:.28s}
@keyframes think{0%,100%{transform:scaleY(.4);opacity:.5}50%{transform:scaleY(1);opacity:1}}

/* ── локальные шаги голосового пайплайна («Распознаю речь» / «Синтезирую речь») ──
   В том же стиле, что плашки шагов агента; живут в ленте чата и не
   сохраняются в историю. */
.lstep{
  border-radius:12px;
  background:rgba(255,255,255,.028);border:1px solid var(--line);
  transition:border-color var(--fast),background var(--fast);
}
.msg .lstep, .messages > .lstep{margin-bottom:0}
.lstep__h{display:flex;align-items:center;gap:9px;padding:8px 12px;font-size:12.5px;color:var(--txt-3)}
.lstep__n{
  width:17px;height:17px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  background:var(--glass-2);color:var(--txt-3);
}
.lstep__n svg{width:10px;height:10px;stroke-width:3}
.lstep__spin{
  width:9px;height:9px;border-radius:50%;
  border:2px solid rgba(99,179,255,.3);border-top-color:var(--sky);
  animation:spinSlow .9s linear infinite;
}
.lstep__t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lstep.is-live{border-color:rgba(99,179,255,.34);background:linear-gradient(90deg,rgba(43,108,246,.2),rgba(34,211,238,.1))}
.lstep.is-live .lstep__h{color:var(--txt)}
.lstep.is-done .lstep__h{color:var(--txt-2)}
.lstep.is-done .lstep__n{background:rgba(34,211,238,.18);color:var(--cyan)}
.lstep.is-err{border-color:rgba(255,86,120,.4);background:rgba(255,86,120,.07)}
.lstep.is-err .lstep__h{color:#ff9db0}
.lstep.is-err .lstep__n{background:rgba(255,86,120,.18);color:#ff8ba1}
.lstep__b{padding:0 12px 10px 38px;font-size:12.5px;line-height:1.6;color:var(--txt-2);overflow-wrap:anywhere}
.lstep__b:empty{display:none}

/* кнопка «озвучить» на ответе ассистента */
.act--speak.is-loading{color:var(--sky)}
.act--speak.is-loading svg{animation:spinSlow 1.1s linear infinite}
.act--speak.is-playing{color:var(--cyan)}
.act--speak.is-err{color:#ff8ba1}

/* настройка «скрыть шаги»: убирает и шаги агента, и локальные карточки */
body.hide-steps .steps,
body.hide-steps .vstage__steps,
body.hide-steps .lstep{display:none !important}

/* ─────────── 9. COMPOSER ─────────── */
.dock{
  flex:none;padding:10px 26px 16px;
  background:linear-gradient(0deg,var(--bg) 46%,transparent);
}
.dock__inner{max-width:var(--composer-w);margin:0 auto}

.composer{
  background:var(--glass-strong);border:1px solid var(--line);border-radius:var(--r-lg);
  backdrop-filter:blur(26px) saturate(1.3);-webkit-backdrop-filter:blur(26px) saturate(1.3);
  box-shadow:var(--shadow);
  padding:13px 13px 9px;
  transition:border-color var(--mid),box-shadow var(--mid);
}
/* no extra glow while typing — the composer stays quiet */
.composer textarea{
  width:100%;max-height:210px;resize:none;
  font-size:15.5px;line-height:1.6;color:var(--txt);
  padding:2px 4px 6px;
}
.composer textarea::placeholder{color:var(--txt-3)}
/* the input stays quiet — no glow or outline while typing */
.composer textarea:focus-visible,
.composer textarea:focus{outline:none}
.composer__bar{display:flex;align-items:center;gap:9px;padding-top:5px}
.composer__status{flex:1;font-size:11.5px;color:var(--txt-3);min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.composer__status b{color:var(--sky);font-weight:600}

/* mic */
.mic{
  position:relative;width:44px;height:44px;border-radius:13px;flex:none;
  display:grid;place-items:center;color:var(--sky);
  background:linear-gradient(150deg,rgba(43,108,246,.2),rgba(34,211,238,.13));
  border:1px solid rgba(99,179,255,.3);
  box-shadow:0 6px 18px -10px rgba(43,108,246,.9),inset 0 1px 0 rgba(255,255,255,.1);
  transition:transform var(--fast),color var(--fast),background var(--fast),box-shadow var(--fast),border-color var(--fast);
}
.mic::after{
  content:"";position:absolute;inset:-3px;border-radius:16px;
  background:radial-gradient(circle,rgba(99,179,255,.18),transparent 70%);
  opacity:0;transition:opacity var(--fast);
}
.mic:hover{color:#fff;background:var(--grad-brand);border-color:transparent;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(43,108,246,1)}
.mic:hover::after{opacity:1}
.mic:active{transform:scale(.94)}
.mic svg{width:19px;height:19px;position:absolute;transition:opacity var(--fast),transform var(--fast)}
.mic__stop{opacity:0;transform:scale(.5)}
.mic__ring{position:absolute;inset:-4px;border-radius:16px;border:2px solid var(--cyan);opacity:0;transition:opacity var(--fast)}
.mic.is-rec{color:#fff;background:var(--grad-brand);border-color:transparent;box-shadow:0 10px 26px -10px rgba(34,211,238,1)}
.mic.is-rec .mic__ico{opacity:0;transform:scale(.5)}
.mic.is-rec .mic__stop{opacity:1;transform:none}
.mic.is-rec .mic__ring{opacity:1;animation:ringOut 1.7s var(--ease) infinite}

/* mode switch — текст ⇄ голос, в шапке */
.modeswitch{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  padding:3px;border-radius:var(--r-md);flex:none;
  background:var(--glass);border:1px solid var(--line);
}
.modeswitch__btn{
  position:relative;z-index:2;
  width:34px;height:30px;border:0;background:none;
  display:grid;place-items:center;border-radius:8px;
  color:var(--txt-3);cursor:pointer;
  transition:color var(--mid);
}
.modeswitch__btn svg{width:17px;height:17px;stroke-width:2}
.modeswitch__btn:hover{color:var(--txt)}
.modeswitch__btn.is-active{color:#fff}
.modeswitch__thumb{
  position:absolute;z-index:1;top:3px;left:3px;
  width:34px;height:30px;border-radius:8px;
  background:var(--grad-brand);
  box-shadow:0 5px 14px -7px rgba(43,108,246,1),inset 0 1px 0 rgba(255,255,255,.26);
  transition:transform var(--spring);
}
.modeswitch__btn[data-mode="voice"].is-active ~ .modeswitch__thumb{transform:translateX(34px)}

.send{
  position:relative;width:42px;height:42px;border-radius:11px;flex:none;
  display:grid;place-items:center;color:#fff;
  background:var(--grad-brand);
  box-shadow:0 9px 24px -11px rgba(43,108,246,.95),inset 0 1px 0 rgba(255,255,255,.28);
  transition:transform var(--spring),filter var(--fast),opacity var(--fast),border-radius var(--fast);
}
.send svg{width:19px;height:19px;stroke-width:2.2;transition:transform var(--mid)}
.send__halo{position:absolute;inset:0;border-radius:inherit;box-shadow:0 0 0 0 rgba(43,108,246,.55);transition:box-shadow .5s}
.send:hover{transform:scale(1.05) translateY(-1px);filter:brightness(1.07)}
.send:hover .send__halo{box-shadow:0 0 0 6px rgba(43,108,246,.14)}
.send:active{transform:scale(.94)}
.send[disabled]{opacity:.35;pointer-events:none;filter:grayscale(.5)}
.send.is-stop{background:linear-gradient(135deg,#ff6b85,#d81e4a)}
.send.is-stop svg{transform:rotate(135deg)}
.send.is-mic{background:var(--grad-brand)}
.send.is-mic svg{transform:rotate(0)}
.send.is-stream{animation:pulseSend 1.6s var(--ease) infinite}
@keyframes pulseSend{0%,100%{box-shadow:0 9px 24px -11px rgba(43,108,246,.95),inset 0 1px 0 rgba(255,255,255,.28)}50%{box-shadow:0 9px 32px -9px rgba(34,211,238,1),inset 0 1px 0 rgba(255,255,255,.36)}}

/* voice recorder panel */
.voice{
  display:none;align-items:center;gap:13px;
  margin:-3px 0 11px;padding:11px 13px;
  border-radius:var(--r-md);
  background:linear-gradient(120deg,rgba(34,211,238,.14),rgba(43,108,246,.16));
  border:1px solid rgba(34,211,238,.3);
}
.voice.is-on{display:flex;animation:voiceIn .3s var(--spring)}
@keyframes voiceIn{from{transform:scale(.97) translateY(5px)}to{transform:none}}
.voice__wave{flex:1;display:flex;align-items:center;gap:3px;height:32px;overflow:hidden}
.voice__wave i{width:3px;min-height:3px;border-radius:99px;background:linear-gradient(180deg,var(--cyan),var(--sky));transition:height .08s linear}
.voice__meta{display:flex;flex-direction:column;align-items:flex-end;gap:1px;flex:none}
.voice__meta em{font-style:normal;font-size:10.5px;color:var(--txt-3)}
.voice__meta span{font:600 12.5px/1 "JetBrains Mono",monospace;color:var(--txt)}
.voice__dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;margin-right:5px;animation:blip 1s ease-in-out infinite}

.dock__hint{
  margin:8px auto 0;
  display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;
  font-size:11px;color:var(--txt-3);
}
.dock__hint span{display:flex;align-items:center;gap:5px}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--txt-3);opacity:.6}
@media (max-width:640px){.dock__hint{display:none}}

.scrim{
  position:fixed;inset:0;z-index:8;background:rgba(2,6,14,.55);
  backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity var(--mid);
}
body.is-mobile-sidebar .scrim{opacity:1;pointer-events:auto}

/* ─────────── 10. MODAL ─────────── */
.modal{position:fixed;inset:0;z-index:40;display:grid;place-items:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity var(--mid)}
.modal.is-open{opacity:1;pointer-events:auto}
.modal__scrim{position:absolute;inset:0;background:rgba(2,6,14,.55);backdrop-filter:blur(6px)}
.modal__card{
  position:relative;width:min(560px,100%);max-height:86vh;overflow:hidden;
  display:flex;flex-direction:column;
  background:var(--glass-strong);border:1px solid var(--line-2);border-radius:var(--r-lg);
  backdrop-filter:blur(30px) saturate(1.3);-webkit-backdrop-filter:blur(30px) saturate(1.3);
  box-shadow:var(--shadow);
  transform:translateY(16px) scale(.98);transition:transform var(--mid);
}
.modal.is-open .modal__card{transform:none}
.modal__head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px 13px;border-bottom:1px solid var(--line)}
.modal__head h2{margin:0;font-size:16.5px;letter-spacing:-.02em}
.modal__body{padding:16px 18px 20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px}
.set-group{display:flex;flex-direction:column;gap:10px}
.set-group__title{font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-3)}
.set-row{display:flex;flex-direction:column;gap:7px}
.set-row__label{font-size:13px;font-weight:600;display:flex;flex-direction:column;gap:2px}
.set-row__label em{font-style:normal;font-size:11px;color:var(--txt-3);font-weight:400}
.set-row input,.set-row textarea{
  width:100%;padding:10px 12px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);
  font-size:13.5px;transition:border-color var(--fast),background var(--fast);
}
.set-row textarea{resize:vertical;line-height:1.55;font-family:inherit}
.set-row input:focus,.set-row textarea:focus{border-color:var(--line-2);background:var(--glass-2)}
.set-row input::placeholder,.set-row textarea::placeholder{color:var(--txt-3)}
.set-row__wrap{position:relative}
.set-row__wrap input{padding-right:42px}
.peek{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--txt-3);
  transition:background var(--fast),color var(--fast);
}
.peek svg{width:16px;height:16px}
.peek:hover{background:var(--glass-2);color:var(--txt)}
.set-row--switch{flex-direction:row;align-items:center;justify-content:space-between;gap:16px}
.set-row--switch .set-row__label{flex:1}
.set-row--pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.set-row--pair .set-row{min-width:0}
.hint--tight{margin:0;font-size:11.5px}

/* модель по API: поле + кнопка загрузки + свой список моделей */
.modelbox{position:relative;display:flex;gap:8px;align-items:stretch}
.modelbox input{flex:1;min-width:0}
.btn-mini{
  flex:none;padding:0 13px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--txt-2);white-space:nowrap;
  transition:background var(--fast),border-color var(--fast),color var(--fast);
}
.btn-mini:hover{background:var(--glass-2);border-color:var(--line-2);color:var(--txt)}
.btn-mini.is-busy{opacity:.6;pointer-events:none}
.modellist{
  position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:5;
  max-height:216px;overflow-y:auto;padding:5px;
  background:var(--glass-strong);border:1px solid var(--line-2);
  border-radius:var(--r-sm);box-shadow:var(--shadow);
  backdrop-filter:blur(30px) saturate(1.3);-webkit-backdrop-filter:blur(30px) saturate(1.3);
}
.modellist[hidden]{display:none}
.modellist__i{
  display:block;width:100%;text-align:left;padding:7px 10px;border-radius:7px;
  font-size:12.5px;color:var(--txt-2);
}
.modellist__i:hover,.modellist__i.is-active{background:var(--glass-2);color:var(--txt)}
.modellist__i.is-active{box-shadow:inset 2px 0 0 var(--sky)}
.modellist__empty{padding:9px 10px;font-size:12px;color:var(--txt-3)}
#apiGroup{opacity:.4;pointer-events:none;transition:opacity var(--mid)}
#apiGroup.is-on{opacity:1;pointer-events:auto}

/* ─────────── 11. MISC ─────────── */
.ctx{
  position:fixed;z-index:60;min-width:180px;padding:6px;
  background:var(--glass-strong);border:1px solid var(--line-2);border-radius:var(--r-sm);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);box-shadow:var(--shadow);
  opacity:0;transform:scale(.95) translateY(-4px);pointer-events:none;
  transform-origin:top left;transition:opacity var(--fast),transform var(--fast);
}
.ctx.is-open{opacity:1;transform:none;pointer-events:auto}
.ctx button{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:8px 9px;border-radius:7px;font-size:13px;color:var(--txt-2);text-align:left;
  transition:background var(--fast),color var(--fast);
}
.ctx button svg{width:15px;height:15px}
.ctx button:hover{background:var(--glass-2);color:var(--txt)}
.ctx button.is-danger{color:#ff8ba1}
.ctx button.is-danger:hover{background:rgba(255,86,120,.16)}
.ctx__sep{height:1px;margin:5px 7px;background:var(--line)}

.toast{
  position:fixed;left:50%;bottom:24px;z-index:80;
  display:flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:var(--glass-strong);border:1px solid var(--line-2);
  backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);
  box-shadow:var(--shadow);font-size:13px;
  opacity:0;transform:translate(-50%,14px);pointer-events:none;
  transition:opacity var(--mid),transform var(--mid);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}
.toast__ico{width:8px;height:8px;border-radius:50%;background:var(--sky);flex:none;box-shadow:0 0 10px var(--sky)}
.toast.is-ok .toast__ico{background:var(--aqua);box-shadow:0 0 10px var(--aqua)}
.toast.is-err .toast__ico{background:#ff5f7a;box-shadow:0 0 10px #ff5f7a}

/* ─────────── 12. RESPONSIVE ─────────── */
@media (max-width:860px){
  :root{--thread-w:100%}
  .sidebar{
    position:fixed;top:0;bottom:0;left:0;z-index:10;
    transform:translateX(-102%);opacity:1;width:var(--sidebar-w);
    background:var(--bg-2);box-shadow:var(--shadow);
  }
  body.is-mobile-sidebar .sidebar{transform:none}
  body.is-mobile-sidebar #scrim{opacity:1;pointer-events:auto}
  body.is-collapsed .sidebar{width:var(--sidebar-w);padding:14px 12px;opacity:1;transform:translateX(-102%)}
  body.is-collapsed .conv-list{display:flex}
  body.is-collapsed #openSidebar{display:grid}
  #openSidebar{display:grid}
  .thread__inner{padding:20px 15px 26px}
  .dock{padding:8px 14px 12px}
  .hero h1{font-size:23px}
  .hero p{font-size:13.5px}
  .hero__orb{width:86px;height:86px}
  .msg--user .msg__body{max-width:90%}
  .msg__body{padding:12px 14px}
  .msg__acts{opacity:1;transform:none}
  .topbar{height:54px;padding:0 12px}
  .picker__name{max-width:30vw}
  .toast{bottom:auto;top:16px;left:50%}
  .halo{bottom:70px}
}
@media (max-width:480px){
  .hero__orb{width:70px;height:70px}
  .hero h1{font-size:21px}
  .chips{gap:6px}
  .chip{padding:7px 12px;font-size:12.5px}
  .step__body{padding-left:0}
  .step.is-open .step__body{padding-left:0}
  .step__title{font-size:12.5px}
  .composer textarea{font-size:16px}   /* no iOS zoom */
  .mic{width:48px;height:48px;border-radius:15px}
  .mic svg{width:21px;height:21px}
  .send{width:48px;height:48px;border-radius:15px}
  .send svg{width:21px;height:21px}
  .metric{padding:5px 9px}
  .modeswitch__btn{width:32px;height:28px}
  .modeswitch__thumb{width:32px;height:28px}
  .modeswitch__btn[data-mode="voice"].is-active ~ .modeswitch__thumb{transform:translateX(32px)}
  .msg__acts{gap:0}
  .act{padding:5px 7px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}