/* /new — светлый интерфейс в раскладке Нейрофонда: белый холст с синим
   подсветом снизу, сайдбар-карточка, крупный стартовый экран с композером
   по центру, вкладки-пилюли и сетка моделей. Свои шрифт, палитра, иконки. */
:root{
  --ink:#0a0f2c; --muted:#8a93a8; --faint:#a6adbe;
  --line:#eceff5; --card:#f1f3f8; --bubble:#f4f6fa;
  --accent:#7c5cfc; --accent-soft:#eeecfd;
  --shadow:0 1px 2px rgba(16,24,40,.05), 0 10px 30px rgba(16,24,40,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html,body{height:100%}
body{
  font:15px/1.5 Inter,-apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif;
  color:var(--ink);-webkit-font-smoothing:antialiased;overflow:hidden;
  background:
    radial-gradient(58% 42% at 58% 112%, rgba(92,112,238,.62), rgba(255,255,255,0) 68%),
    radial-gradient(46% 30% at 88% 96%, rgba(126,140,244,.34), rgba(255,255,255,0) 70%),
    linear-gradient(180deg,#fff 0%,#fff 40%,#f4f6fd 62%,#dfe6fb 80%,#c9d5f5 100%);
}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(10,15,44,.13);border-radius:99px}
::-webkit-scrollbar-track{background:transparent}
.grow{flex:1}

.app{display:flex;height:100dvh}

/* ── сайдбар-карточка ── */
.side{position:relative;width:268px;flex:none;display:flex;flex-direction:column;
  padding:8px 0 8px 8px;transition:width .2s}
.scard{background:#fff;border-radius:18px;box-shadow:var(--shadow);overflow:hidden;
  flex:1;display:flex;flex-direction:column;min-height:0}
/* кнопка сворачивания — всплывает на границе панели при наведении */
.collapse{
  position:absolute;right:-21px;top:var(--cy,50%);transform:translateY(-50%);z-index:12;
  width:42px;height:42px;border:0;border-radius:50%;background:#edeff4;color:#1b2559;
  cursor:pointer;display:grid;place-items:center;
  opacity:0;transition:opacity .16s, top .18s ease-out;
}
.collapse:hover{background:#e4e7ee}
.side:hover .collapse,.collapse:hover{opacity:1}
.collapse svg{width:17px;height:17px;transition:transform .2s}
body.rail .collapse svg{transform:rotate(180deg)}
.brand{display:flex;align-items:center;gap:11px;padding:17px 18px}
.brand b{font-size:17px;font-weight:700;letter-spacing:-.02em}
.blogo{width:30px;height:30px;border-radius:9px;color:#fff;
  background:linear-gradient(140deg,#9c8cf7 0%,#4a35b8 100%);
  display:grid;place-items:center;flex:none}
.sline{height:1px;background:var(--line)}
.folder{
  display:flex;align-items:center;gap:11px;width:100%;border:0;background:none;cursor:pointer;
  font:inherit;font-size:15px;color:var(--ink);padding:14px 18px;
}
.folder:hover{background:#fafbfd}
.folder .chev{color:var(--faint);transition:transform .18s}
.folder.open .chev{transform:rotate(180deg)}
.fpanel{background:#f7f8fb;border-top:1px solid var(--line);padding:12px}
.flabel{font-size:11.5px;color:var(--faint);padding:0 4px 8px}
.fitem{
  position:relative;display:block;width:100%;text-align:left;border:0;cursor:pointer;font:inherit;
  background:#fff;border-radius:12px;padding:11px 34px 11px 13px;margin-bottom:6px;color:var(--ink);
  box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.fitem:hover{background:#fcfcfe}
.fitem.on{background:#eef0f6;box-shadow:none}
.fitem b{display:block;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fitem i{display:block;font-size:12.5px;color:var(--muted);font-style:normal;margin-top:2px}
.fitem .dots{position:absolute;right:10px;top:12px;color:var(--faint);font-size:15px;letter-spacing:1px}
.fnew{
  display:flex;align-items:center;gap:9px;width:100%;border:0;background:none;cursor:pointer;
  font:inherit;font-size:14px;color:var(--ink);padding:11px 13px;border-radius:12px;
}
.fnew:hover{background:#eef0f6}

.search{position:relative;display:block;margin:10px 12px 4px;flex:none}
.search input{
  width:100%;background:#f4f6fa;border:0;border-radius:12px;
  padding:11px 36px 11px 14px;font:inherit;font-size:14px;color:var(--ink);outline:none;
}
.search input::placeholder{color:var(--faint)}
.search svg{position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--faint)}

.chats{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:4px 8px;min-height:0}
.ci{
  position:relative;display:flex;align-items:center;gap:10px;width:100%;
  border:0;background:none;font:inherit;font-size:14px;color:var(--ink);
  text-align:left;padding:10px 30px 10px 12px;border-radius:12px;cursor:pointer;
}
.ci:hover{background:#f4f6fa}
.ci.on{background:#eeecfd}
.ci .st{color:var(--ink);opacity:.7;flex:none;display:grid;place-items:center}
.ci .nm{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci .run{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;animation:pulse 1.3s infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}
.ci .del{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);width:24px;height:24px;
  border:0;background:none;color:var(--faint);cursor:pointer;border-radius:7px;font-size:14px;
  letter-spacing:1px;line-height:24px;text-align:center;padding:0;
  opacity:0;transition:opacity .14s;
}
.ci:hover .del{opacity:1}
.ci .del:hover{background:rgba(10,15,44,.07);color:var(--ink)}

.sfoot{display:flex;align-items:center;gap:11px;padding:12px 14px;flex:none;
  border-top:1px solid var(--line)}
.ava{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:linear-gradient(140deg,#9c8cf7 0%,#4a35b8 100%);
  color:#fff;font-size:12.5px;font-weight:600}
.who{display:flex;flex-direction:column;min-width:0;flex:1}
.who b{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who i{font-size:12px;color:var(--muted);font-style:normal}
.gear{color:var(--faint);display:grid;place-items:center;width:28px;height:28px;border-radius:8px}
.gear:hover{background:#f1f3f8;color:var(--ink)}

/* ── основная область ── */
.main{flex:1;min-width:0;position:relative;display:flex;flex-direction:column}
.chip{
  position:absolute;left:16px;top:14px;z-index:5;display:flex;align-items:center;gap:10px;
  max-width:min(380px,52vw);background:#fff;border-radius:15px;padding:8px 14px 8px 11px;
  cursor:pointer;box-shadow:var(--shadow);
}
.chip .star{color:var(--ink);opacity:.85;flex:none;display:grid;place-items:center}
.chiptxt{display:flex;flex-direction:column;min-width:0}
.chiptxt b{font-size:13.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chiptxt i{font-size:11.5px;color:var(--muted);font-style:normal;display:flex;align-items:center;gap:4px}
.share{
  position:absolute;right:16px;top:14px;z-index:5;width:38px;height:38px;border:0;cursor:pointer;
  border-radius:50%;background:#fff;color:var(--muted);display:grid;place-items:center;box-shadow:var(--shadow);
}
.share:hover{color:var(--ink)}
.burger{display:none}

.menu{
  position:absolute;left:16px;top:66px;z-index:20;min-width:230px;background:#fff;
  border-radius:16px;padding:6px;box-shadow:0 2px 8px rgba(16,24,40,.08),0 18px 44px rgba(16,24,40,.16);
}
.menu button{display:flex;align-items:flex-start;gap:8px;width:100%;border:0;background:none;
  font:inherit;text-align:left;padding:10px 11px;border-radius:11px;cursor:pointer;color:var(--ink)}
.menu button:hover{background:#f4f6fa}
.menu .mi{display:flex;flex-direction:column;flex:1;min-width:0}
.menu .mi b{font-size:14px;font-weight:500}
.menu .mi i{font-size:12px;color:var(--muted);font-style:normal;line-height:1.35}
.menu .tick{color:var(--ink);flex:none;margin-top:3px;opacity:0}
.menu button.on .tick{opacity:1}

/* ── стартовый экран ── */
.hero{
  flex:1;overflow-y:auto;display:flex;flex-direction:column;align-items:center;
  padding:56px 24px 24px;text-align:center;
}
.hero::before,.hero::after{content:"";flex:1 0 0}
.hlogo{margin-bottom:18px;display:block;cursor:default;will-change:transform;
  transition:transform .35s cubic-bezier(.22,1,.36,1)}
.hlogo svg{overflow:visible}
.hlogo .c1,.hlogo .c2{transform-box:fill-box;transform-origin:center;
  transition:transform .45s cubic-bezier(.22,1,.36,1)}
.hlogo:hover{transform:scale(1.05)}
.hero h1{font-size:clamp(23px,2.5vw,31px);font-weight:700;letter-spacing:-.025em;line-height:1.15}
.hero p{margin-top:9px;font-size:15px;color:var(--muted)}
.heroslot{width:100%;max-width:915px;margin-top:26px}

.tabs{
  display:inline-flex;gap:4px;background:rgba(241,243,248,.82);border-radius:999px;padding:5px;
  backdrop-filter:blur(6px);
  margin:52px auto 16px;box-shadow:0 1px 2px rgba(16,24,40,.04);
}
.tab{
  border:0;background:none;font:inherit;font-size:14.5px;color:var(--ink);cursor:pointer;
  padding:9px 20px;border-radius:999px;white-space:nowrap;
}
.tab.on{background:#fff;box-shadow:0 1px 2px rgba(16,24,40,.06),0 4px 12px rgba(16,24,40,.06)}

.grid{
  width:100%;max-width:915px;background:rgba(241,243,248,.82);border-radius:24px;padding:14px;
  backdrop-filter:blur(6px);
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
.mcard{
  display:flex;align-items:center;gap:12px;background:#fff;border-radius:14px;padding:14px 16px;
  border:0;cursor:pointer;font:inherit;text-align:left;color:var(--ink);
  box-shadow:0 1px 2px rgba(16,24,40,.04);transition:box-shadow .15s,transform .15s;
}
.mcard:hover{box-shadow:0 2px 6px rgba(16,24,40,.09);transform:translateY(-1px)}
.mcard.on{outline:2px solid var(--accent);outline-offset:-2px}
.mcard .ic{width:30px;height:30px;flex:none;display:grid;place-items:center;color:var(--ink)}
.mcard .tx{display:flex;flex-direction:column;min-width:0}
.mcard .tx b{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcard .tx i{font-size:13px;color:var(--muted);font-style:normal;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gnote{grid-column:1/-1;color:var(--muted);font-size:13.5px;padding:10px 6px}

/* ── лента чата ── */
.feed{flex:1;overflow-y:auto;padding:70px 24px 8px}
.wrap{max-width:720px;margin:0 auto;padding-bottom:6px}
.q{max-width:78%;width:fit-content;margin:18px 0 18px auto;background:var(--bubble);
  border-radius:18px;padding:10px 15px;font-size:14.5px;white-space:pre-wrap;word-break:break-word}
.a{font-size:15px;line-height:1.62;margin:0 0 4px;word-break:break-word}
.a > *:first-child{margin-top:0}
.a p{margin:0 0 11px}
.a h1,.a h2,.a h3{font-size:17px;font-weight:600;margin:16px 0 8px}
.a ul,.a ol{margin:0 0 11px 20px}
.a li{margin:4px 0}
.a hr{border:0;border-top:1px solid var(--line);margin:11px 0}
.a a{color:var(--accent)}
.a code{font:12.5px ui-monospace,"SF Mono",Menlo,monospace;background:#f2f4f9;padding:2px 6px;border-radius:6px}
.a pre{background:#f7f8fb;border:1px solid var(--line);border-radius:14px;padding:13px 15px;overflow-x:auto;margin:0 0 11px}
.a pre code{background:none;padding:0;font-size:12.5px;white-space:pre}
.a table{border-collapse:collapse;margin:0 0 11px;font-size:13.5px}
.a td,.a th{border:1px solid var(--line);padding:6px 10px}
.a img,.a video{max-width:100%;border-radius:14px}
.acts{display:flex;gap:2px;margin:0 0 22px -6px}
.acts button{width:27px;height:27px;border:0;background:none;color:var(--faint);cursor:pointer;
  border-radius:8px;display:grid;place-items:center}
.acts button:hover{background:rgba(10,15,44,.06);color:var(--ink)}
.tool{display:flex;align-items:baseline;gap:8px;margin:0 0 6px;
  font:12.5px ui-monospace,"SF Mono",Menlo,monospace;color:var(--muted)}
.tool i{width:5px;height:5px;border-radius:50%;background:var(--faint);flex:none}
.tool .n{color:var(--ink);opacity:.72}
.tool .d{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.typing{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:14px;margin:0 0 20px}
.typing b{display:flex;gap:4px}
.typing b i{width:5px;height:5px;border-radius:50%;background:var(--faint);animation:tp 1.3s infinite}
.typing b i:nth-child(2){animation-delay:.18s}
.typing b i:nth-child(3){animation-delay:.36s}
@keyframes tp{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* ── композер ── */
.dock{padding:8px 24px 24px}
.composer{
  max-width:720px;margin:0 auto;background:var(--card);border:1px solid rgba(255,255,255,.9);
  border-radius:22px;padding:18px 20px 12px;transition:box-shadow .15s;
}
.composer.focus{box-shadow:0 0 0 3px rgba(124,92,252,.14)}
#say{width:100%;border:0;outline:none;resize:none;font:inherit;font-size:16px;color:var(--ink);
  max-height:200px;background:none;display:block}
#say::placeholder{color:var(--faint)}
.crow{display:flex;align-items:center;gap:9px;margin-top:10px}
.cic{width:32px;height:32px;border:0;background:none;color:var(--muted);cursor:pointer;
  border-radius:50%;display:grid;place-items:center}
.cic:hover{background:rgba(10,15,44,.06);color:var(--ink)}
.cic.rec{background:var(--accent);color:#fff}
.think{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(10,15,44,.09);
  background:none;color:var(--muted);font:inherit;font-size:13.5px;padding:6px 13px;
  border-radius:999px;cursor:pointer}
.think:hover{color:var(--ink)}
.think.on{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:6px;max-width:720px;margin:0 auto 8px}
.fchip{display:inline-flex;align-items:center;gap:7px;background:#fff;border-radius:10px;
  padding:6px 11px;font-size:12.5px;color:var(--muted);box-shadow:var(--shadow)}
.fchip b{color:var(--ink);font-weight:500;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fchip span{cursor:pointer}

/* композер внутри стартового экрана — крупнее и выше */
.heroslot .dock{padding:0}
.heroslot .composer{max-width:none;min-height:158px;background:rgba(241,243,248,.86);
  backdrop-filter:blur(6px);display:flex;flex-direction:column;text-align:left}
.heroslot #say{flex:1}
.heroslot .chips{max-width:none}

.scrim{display:none}

/* ── телефон ── */
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .side{
    position:fixed;z-index:40;top:0;bottom:0;left:0;width:min(86vw,300px);
    transform:translateX(-100%);transition:transform .22s;background:#eef1f8;
    padding:calc(env(safe-area-inset-top) + 10px) 10px 10px;
  }
  body.nav .side{transform:none;box-shadow:0 0 60px rgba(10,15,44,.25)}
  .scrim{position:fixed;inset:0;z-index:35;background:rgba(10,15,44,.28)}
  body.nav .scrim{display:block}
  .search,.chats,.sfoot{margin-right:0;padding-right:0}
  .burger{
    display:grid;place-items:center;position:absolute;left:12px;
    top:calc(env(safe-area-inset-top) + 12px);z-index:6;width:38px;height:38px;border:0;
    border-radius:50%;background:#fff;color:var(--ink);cursor:pointer;box-shadow:var(--shadow);
  }
  .chip{left:60px;top:calc(env(safe-area-inset-top) + 12px);max-width:calc(100vw - 120px)}
  .share{top:calc(env(safe-area-inset-top) + 12px)}
  .menu{left:12px;top:calc(env(safe-area-inset-top) + 62px)}
  .hero{padding:calc(env(safe-area-inset-top) + 58px) 16px 24px}
  .hero h1{font-size:22px}
  .tabs{margin-top:34px}
  .grid{grid-template-columns:1fr}
  .feed{padding:66px 16px 6px}
  .dock{padding:8px 12px calc(env(safe-area-inset-bottom) + 12px)}
  .q{max-width:88%}
}


/* ── свёрнутый сайдбар (рейка с иконками, как в референсе) ── */
body.rail .side{width:76px}
body.rail .brand{justify-content:center;padding:17px 0}
body.rail .brand b{display:none}
body.rail .folder{justify-content:center;padding:14px 0}
body.rail .folder span,body.rail .folder .chev{display:none}
body.rail .fpanel{display:none}
body.rail .search{margin:6px 14px}
body.rail .search input{padding:9px 0;color:transparent}
body.rail .search input::placeholder{color:transparent}
body.rail .search svg{right:50%;transform:translate(50%,-50%)}
body.rail .chats{display:none}
body.rail .sfoot{margin-top:auto}
body.rail .sfoot{flex-direction:column-reverse;gap:12px;padding:12px 0}
body.rail .who{display:none}


/* ── меню папки («···» на карточке) ── */
.fitem .dots{position:absolute;right:6px;top:8px;width:26px;height:26px;border:0;background:none;
  color:var(--faint);font-size:15px;letter-spacing:1px;line-height:26px;text-align:center;
  border-radius:8px;cursor:pointer;padding:0}
.fitem .dots:hover{background:rgba(10,15,44,.07);color:var(--ink)}
.pmenu{
  position:fixed;z-index:60;min-width:236px;background:#fff;border-radius:18px;padding:8px;
  box-shadow:0 2px 8px rgba(16,24,40,.08),0 18px 48px rgba(16,24,40,.18);
}
.pmenu button{
  display:flex;align-items:center;gap:14px;width:100%;border:0;background:none;font:inherit;
  font-size:15px;color:var(--ink);text-align:left;padding:11px 13px;border-radius:12px;cursor:pointer;
}
.pmenu button:hover{background:#f4f6fa}
.pmenu button svg{flex:none;color:var(--ink)}
.pmenu .psep{height:1px;background:var(--line);margin:6px 10px}
.pmenu button.danger,.pmenu button.danger svg{color:#c0453a}
.pmenu button.danger:hover{background:#fdf1f0}

.fitem .pinned{display:inline-flex;vertical-align:-3px;margin-right:6px;color:var(--muted)}
.fitem .pinned svg{width:14px;height:14px}


/* ── экран входа (без него на корне была петля 401 → "/" → 401) ── */
.login{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;
  background:radial-gradient(58% 42% at 58% 112%, rgba(92,112,238,.5), rgba(255,255,255,0) 68%),
    linear-gradient(180deg,#fff 0%,#fff 46%,#eef1fb 74%,#d8e0f8 100%)}
.lcard{width:min(100%,360px);background:#fff;border-radius:22px;padding:30px 26px 24px;
  box-shadow:0 2px 8px rgba(16,24,40,.06),0 22px 60px rgba(16,24,40,.14);
  display:flex;flex-direction:column;align-items:center}
.llogo{margin-bottom:12px}
.lcard b{font-size:20px;font-weight:700;letter-spacing:-.02em}
.lcard p{color:var(--muted);font-size:14px;margin:6px 0 20px}
.lcard input{width:100%;background:#f4f6fa;border:1px solid transparent;border-radius:13px;
  padding:13px 15px;font:inherit;font-size:16px;color:var(--ink);outline:none;margin-bottom:10px}
.lcard input:focus{border-color:var(--accent-line);background:#fff}
.lcard input::placeholder{color:var(--faint)}
.lerr{color:#c0453a;font-size:13px;min-height:18px;align-self:flex-start;padding:0 2px 4px}
.lcard button{width:100%;border:0;border-radius:13px;padding:13px;font:inherit;font-size:16px;
  font-weight:600;color:#fff;cursor:pointer;
  background:linear-gradient(140deg,#9c8cf7 0%,#4a35b8 100%)}
.lcard button:disabled{opacity:.6}
.lalt{margin-top:14px;color:var(--muted);font-size:13px;text-decoration:none}
.lalt:hover{color:var(--ink)}


/* ── «Улучшить промпт», микрофон в кольце и круглая отправка ── */
#improve{gap:8px}
#improve.busy{opacity:.6;pointer-events:none}
.cic.ring{border:1px solid rgba(10,15,44,.12)}
.cic.ring:hover{border-color:rgba(10,15,44,.2)}
.sendbtn{width:38px;height:38px;border:0;border-radius:50%;cursor:pointer;flex:none;
  background:var(--ink);color:#fff;display:grid;place-items:center;transition:opacity .15s}
.sendbtn:hover{opacity:.88}
.sendbtn:disabled{opacity:.35;cursor:default}