@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;600;800&family=Space+Grotesk:wght@400;500;700&family=Manrope:wght@400;500;700&family=JetBrains+Mono:wght@400;600&display=swap');

[hidden]{display:none !important}

:root{
  --bg:#08080f; --bg2:#0d0d18; --surface:#12121f; --surface2:#181828;
  --border:rgba(255,255,255,.07); --text:#e9e9f4; --muted:#7d7d92;
  --acc1:#7c5cff; --acc2:#00d4ff;
  --grad:linear-gradient(120deg,var(--acc1),var(--acc2));
  --font:'Manrope',sans-serif; --fsize:15px; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:var(--fsize);line-height:1.5;min-height:100vh}
h1,h2,h3,h4,h5{font-family:'Space Grotesk',sans-serif}
.logo{font-family:'Unbounded',sans-serif;font-weight:800;font-size:1.35rem;color:var(--text);text-decoration:none}
.logo.sm{font-size:1.05rem}
.dot{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}.pad{padding:14px}
.mini{background:none;border:1px solid var(--border);color:var(--muted);border-radius:8px;padding:3px 10px;font-size:.75rem;cursor:pointer;text-decoration:none}
.mini:hover{color:var(--text);border-color:var(--acc2)}
.mini.danger{border-color:rgba(246,94,122,.45);color:#f65e7a}
.mini.danger:hover{background:rgba(246,94,122,.12)}

.btn{display:inline-block;border:none;border-radius:12px;padding:11px 22px;font:600 .95rem 'Space Grotesk',sans-serif;cursor:pointer;text-decoration:none;color:var(--text);transition:.18s}
.btn-primary{background:var(--grad);color:#08080f}
.btn-primary:hover{filter:brightness(1.15)}
.btn-ghost{background:transparent;border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--acc2)}
.wide{width:100%;text-align:center}

input,select{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:12px;padding:11px 14px;color:var(--text);font:inherit;outline:none;transition:border-color .15s}
input:focus{border-color:var(--acc1)}
input[type=range]{padding:0;height:26px;accent-color:var(--acc1);border:none;background:none}

.av{flex:none;width:42px;height:42px;border-radius:50%;display:inline-grid;place-items:center;font:700 1rem 'Space Grotesk',sans-serif;color:#08080f}
.msg-av{width:30px;height:30px;font-size:.8rem}

/* ═══ ВИЗИТКА ═══ */
.blob{position:fixed;border-radius:50%;filter:blur(120px);opacity:.22;pointer-events:none;z-index:0}
.b1{width:520px;height:520px;background:var(--acc1);top:-140px;left:-120px}
.b2{width:460px;height:460px;background:var(--acc2);bottom:-160px;right:-120px}
.glass{background:rgba(255,255,255,.045);border:1px solid var(--border);backdrop-filter:blur(18px);border-radius:18px}
.landing{position:relative;z-index:1;overflow-x:hidden}
.nav{display:flex;justify-content:space-between;align-items:center;padding:14px 26px;margin:18px auto;max-width:1000px}
.nav nav{display:flex;gap:20px;align-items:center}
.nav a{color:var(--muted);text-decoration:none}.nav a:hover{color:var(--text)}
.hero{text-align:center;padding:90px 20px 60px}
.hero h1{font-family:'Unbounded',sans-serif;font-size:clamp(2.4rem,7vw,4.6rem);line-height:1.08}
.hero .sub{color:var(--muted);margin:22px 0 34px;font-size:1.1rem}
.cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:1000px;margin:0 auto;padding:0 20px 80px}
.card{padding:24px}.card h3{margin-bottom:8px}.card p{color:var(--muted);font-size:.9rem}
body.landing>footer{text-align:center;color:var(--muted);padding:30px;font-size:.85rem}

/* ═══ AUTH ═══ */
.authpage{display:grid;place-items:center;min-height:100vh}
.authbox{position:relative;z-index:1;width:min(400px,92vw);padding:34px;display:flex;flex-direction:column;gap:14px}
.tabs{display:flex;gap:8px}
.tab{flex:1;padding:9px;background:transparent;border:1px solid var(--border);border-radius:10px;color:var(--muted);cursor:pointer;font-family:'Space Grotesk',sans-serif}
.tab.on{background:var(--grad);color:#08080f;font-weight:700;border-color:transparent}
.authbox form{display:flex;flex-direction:column;gap:12px}
.error{background:rgba(255,77,109,.12);border:1px solid rgba(255,77,109,.4);border-radius:10px;padding:10px;font-size:.88rem}
.hint{color:var(--muted);font-size:.85rem}
.meter{display:flex;align-items:center;gap:10px;height:18px}
.meter i{display:block;height:5px;width:0;border-radius:4px;max-width:60%;transition:.25s;background:#ff4d6d}
.meter span{font-size:.78rem;color:var(--muted)}

/* ═══════════════════════════════════════════════════
   ПРИЛОЖЕНИЕ — mobile-first: один экран, список ↔ чат
   ═══════════════════════════════════════════════════ */
.app{height:100vh;height:100dvh;overflow:hidden;
  background:radial-gradient(1000px 600px at -10% -10%,color-mix(in srgb,var(--acc1) 14%,transparent),transparent 60%),
             radial-gradient(900px 600px at 110% 110%,color-mix(in srgb,var(--acc2) 12%,transparent),transparent 60%),var(--bg)}
.shell{width:100%;height:100%;margin:0 auto;display:flex;flex-direction:column;background:var(--bg2)}

/* список чатов */
.sidebar{display:flex;flex-direction:column;flex:1;min-height:0}
body.inchat .sidebar{display:none}
.side-head{display:flex;justify-content:space-between;align-items:center;padding:16px 16px 10px}
.side-actions{display:flex;gap:8px}
.icon{background:var(--surface2);border:1px solid var(--border);border-radius:10px;color:var(--text);width:34px;height:34px;cursor:pointer;font-size:1rem;display:inline-grid;place-items:center;transition:.15s;flex:none}
.icon:hover{border-color:var(--acc1)}
.icon.round{border-radius:50%}
.icon.back{font-size:1.15rem}
.searchwrap{padding:4px 14px 10px}
.searchwrap input{border-radius:20px;background:var(--surface)}
.slist{display:flex;flex-direction:column;gap:2px;padding:0 8px;overflow-y:auto}
.slist.grow{flex:1;min-height:0}
.chatitem{display:flex;gap:11px;align-items:center;padding:10px;border-radius:14px;cursor:pointer;transition:background .12s}
.chatitem:hover{background:var(--surface)}
.chatitem.on{background:linear-gradient(120deg,color-mix(in srgb,var(--acc1) 18%,transparent),color-mix(in srgb,var(--acc2) 10%,transparent))}
.ci-text{min-width:0;display:flex;flex-direction:column}
.ci-text b{font-family:'Space Grotesk',sans-serif;font-size:.95em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ci-text span{font-size:.82em;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-foot{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--border)}
.side-foot .av{width:34px;height:34px;font-size:.85rem}
.melogin{flex:1;font-size:.88em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* переписка */
.chatpane{display:none}
body.inchat .chatpane{display:flex;flex-direction:column;flex:1;min-height:0}
.chat-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border);background:rgba(13,13,24,.7);backdrop-filter:blur(12px);min-height:60px}
.chat-head .av{width:38px;height:38px}
.ch-text{display:flex;flex-direction:column;flex:1;min-width:0}
.ch-text b{font-family:'Space Grotesk',sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ch-text span{font-size:.78em;color:var(--muted)}
.ch-actions{display:flex;gap:6px;flex:none}

.msgs{flex:1;overflow-y:auto;padding:20px 18px;display:flex;flex-direction:column;gap:8px}
body[data-bg=dots] .msgs{background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);background-size:22px 22px}
body[data-bg=grid] .msgs{background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:26px 26px}
body[data-bg=warm] .msgs{background:radial-gradient(600px 400px at 85% 0%,rgba(246,94,122,.13),transparent),radial-gradient(600px 420px at 0% 100%,rgba(255,184,108,.11),transparent)}
body[data-bg=solid] .msgs{background:var(--bg2)}

.mrow{display:flex;gap:8px;align-items:flex-end;animation:pop .18s ease}
.mrow.mine{justify-content:flex-end}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg{max-width:86%;background:var(--surface2);border:1px solid var(--border);padding:9px 13px;
  border-radius:var(--radius) var(--radius) var(--radius) 5px}
.mine .msg{background:linear-gradient(120deg,color-mix(in srgb,var(--acc1) 36%,var(--surface2)),color-mix(in srgb,var(--acc2) 24%,var(--surface2)));
  border-radius:var(--radius) var(--radius) 5px var(--radius);border-color:color-mix(in srgb,var(--acc1) 40%,transparent)}
.msg .who{font:600 .72rem 'Space Grotesk',sans-serif;color:var(--acc2);display:block;margin-bottom:2px}
.msg p{word-wrap:break-word}
.msg time{font-size:.66rem;color:var(--muted);display:block;text-align:right;margin-top:2px}
.msg img,.msg video{max-width:min(320px,100%);width:100%;border-radius:10px;margin-top:4px;display:block}

.composer{display:flex;gap:10px;padding:12px 14px calc(14px + env(safe-area-inset-bottom));align-items:center;border-top:1px solid var(--border);background:rgba(13,13,24,.7);backdrop-filter:blur(12px)}
.composer #msgInput{border-radius:22px;background:var(--surface2);padding:12px 18px}
.sendbtn{flex:none;width:44px;height:44px;border:none;border-radius:50%;background:var(--grad);color:#08080f;font-size:1.05rem;cursor:pointer;transition:.15s}
.sendbtn:hover{filter:brightness(1.15)}

/* ═══ МОДАЛКИ ═══ */
.modal{position:fixed;inset:0;background:rgba(4,4,10,.72);backdrop-filter:blur(6px);display:grid;place-items:center;z-index:10;animation:fade .15s ease}
@keyframes fade{from{opacity:0}to{opacity:1}}
.mbox{width:min(420px,94vw);max-height:88vh;overflow-y:auto;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:26px;display:flex;flex-direction:column;gap:12px;box-shadow:0 24px 80px rgba(0,0,0,.6)}
.wide-box{width:min(640px,94vw)}
.stabs{display:flex;gap:6px;flex-wrap:wrap}
.stabs button{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:10px;padding:7px 12px;cursor:pointer;font-size:.85rem}
.stabs button.on{background:var(--grad);color:#08080f;font-weight:700;border-color:transparent}
.spane{display:flex;flex-direction:column;gap:10px}
.spane label{font-size:.85rem;color:var(--muted)}
.chk{display:flex;align-items:center;gap:10px;font-size:.95em;color:var(--text);cursor:pointer}
.chk input{width:auto}
.row{display:flex;gap:8px}.row input{flex:1}
.tokenbox{background:rgba(0,0,0,.5);border:1px solid var(--acc1);border-radius:10px;padding:12px;font-size:.72rem;white-space:pre-wrap;word-break:break-all;color:#a8ffde}
.keyrow{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border:1px solid var(--border);border-radius:10px;font-size:.85rem}
.keyrow.dead{opacity:.45}
.keyrow i{color:var(--muted);font-style:normal;font-size:.78rem}
.spane pre{background:rgba(0,0,0,.4);border:1px solid var(--border);border-radius:10px;padding:12px;font-size:.75rem;overflow-x:auto}
.spane code{background:rgba(255,255,255,.08);border-radius:6px;padding:1px 6px;font-size:.82em}

.swatches{display:flex;gap:8px;flex-wrap:wrap}
.sw{width:38px;height:38px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:.15s}
.sw:hover{transform:scale(1.1)}
.sw.on{border-color:var(--text);box-shadow:0 0 0 3px rgba(255,255,255,.15)}
.swb{background:var(--surface2);border:1px solid var(--border);color:var(--muted);border-radius:10px;padding:7px 13px;cursor:pointer;font-size:.85rem;transition:.15s}
.swb:hover{color:var(--text)}
.swb.on{background:var(--grad);color:#08080f;font-weight:700;border-color:transparent}

::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}

/* ═══ МОБИЛКА: доп. фиксы ═══ */
@media(max-width:860px){
  /* 16px в полях ввода — iOS Safari не зумит страницу при фокусе */
  .app input,.app select{font-size:16px}
  .mbox{padding:20px;border-radius:16px}
}

/* ═══════════════════════════════════════════════════
   ДЕСКТОП (>860px): два столбца рядом, «назад» скрыт
   ═══════════════════════════════════════════════════ */
@media(min-width:861px){
  .shell{max-width:1280px;flex-direction:row;
    border-left:1px solid var(--border);border-right:1px solid var(--border)}

  /* сайдбар виден ВСЕГДА, даже в открытом чате */
  .sidebar{flex:none;width:340px;border-right:1px solid var(--border)}
  body.inchat .sidebar{display:flex}

  /* правая панель видна всегда */
  .chatpane{display:flex;flex-direction:column;flex:1;min-width:0}
  body.inchat .chatpane{display:flex}

  /* кнопка «назад» не нужна */
  .icon.back{display:none}

  /* пустое состояние справа, пока чат не выбран */
  body:not(.inchat) .chat-head,
  body:not(.inchat) .composer{display:none}
  body:not(.inchat) .msgs{align-items:center;justify-content:center}
  body:not(.inchat) .msgs::before{
    content:'выбери чат слева или найди собеседника в поиске';
    color:var(--muted);font-size:.95rem;
    border:1px solid var(--border);border-radius:20px;padding:10px 20px;
    background:rgba(255,255,255,.03)}

  .msg{max-width:min(560px,72%)}
  .composer{padding:12px 20px 16px}
}