:root{
  --bg:#080a0f; --bg-soft:#0c1018; --panel:#111621; --panel-2:#161c29;
  --line:#1e2637; --line-soft:#182031;
  --fg:#e8ecf4; --muted:#9aa5ba; --muted-2:#788699;
  --accent:#6c8cff; --accent-2:#8b6cff; --cyan:#31d6e8;
  --ok:#3ddc97; --bad:#ff6b6b; --warn:#ffb84d;
  --bubble-in:#161d2b; --bubble-out:#2a3f7a;
  --r:14px;
}
*{box-sizing:border-box}
/* атрибут hidden должен побеждать display:grid у блоков ниже */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:14.5px/1.5 "Inter",-apple-system,"Segoe UI",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(108,140,255,.13), transparent 60%),
    radial-gradient(700px 420px at 92% 8%, rgba(139,108,255,.10), transparent 62%);
}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea{font:inherit}
.muted{color:var(--muted)}
.icon-btn{
  border:0;background:transparent;color:var(--muted);width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;font-size:16px;transition:.15s;
}
.icon-btn:hover{background:var(--panel-2);color:var(--fg)}
.btn{
  border:1px solid var(--line);background:var(--panel-2);color:var(--fg);
  padding:9px 15px;border-radius:10px;font-weight:500;transition:.15s;
}
.btn:hover{border-color:#2b3550;background:#1a2130}
.btn.primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;font-weight:600;
  box-shadow:0 6px 18px -8px rgba(108,140,255,.8);
}
.btn.primary:hover{filter:brightness(1.06)}
.btn.danger{color:#ffb3b3;border-color:#3a2030;background:#221420}
.btn.wide{width:100%}
.link{background:none;border:0;color:var(--accent);padding:0;font-weight:500}

/* ---------- вход ---------- */
.auth{position:relative;z-index:1;height:100%;display:grid;place-items:center;padding:24px}
.auth-card{
  width:min(420px,100%);background:linear-gradient(180deg,rgba(22,28,41,.92),rgba(13,17,25,.96));
  border:1px solid var(--line);border-radius:22px;padding:30px 28px 22px;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter:blur(18px);
}
.auth-brand{display:flex;gap:14px;align-items:center;margin-bottom:24px}
.logo-mark{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  box-shadow:0 10px 24px -10px rgba(108,140,255,.9);
}
.logo-mark.sm{width:34px;height:34px;border-radius:10px;font-size:12.5px}
.auth-brand h1{margin:0;font-size:20px;letter-spacing:-.02em}
.auth-brand p{margin:2px 0 0;color:var(--muted);font-size:12.5px}
.auth-form{display:grid;gap:13px}
.auth-form label{display:grid;gap:6px;font-size:12.5px;color:var(--muted)}
.auth-form input,.field input,.modal-search input{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:11px;padding:11px 13px;color:var(--fg);
  outline:none;transition:.15s;
}
.auth-form input:focus,.field input:focus,.modal-search input:focus{
  border-color:#33436b;box-shadow:0 0 0 3px rgba(108,140,255,.14);
}
.auth-error{margin:2px 0 0;color:#ff9d9d;font-size:12.5px}
.auth-switch{margin-top:18px;display:flex;gap:6px;justify-content:center;color:var(--muted);font-size:13px}
.auth-foot{margin-top:14px;padding-top:14px;border-top:1px solid var(--line-soft);color:var(--muted-2);font-size:11.5px;text-align:center}

/* ---------- каркас ---------- */
.app{position:relative;z-index:1;display:grid;grid-template-columns:minmax(280px,346px) 1fr;height:100%}
.sidebar{
  display:grid;grid-template-rows:auto auto 1fr auto;min-height:0;
  background:linear-gradient(180deg,rgba(17,22,33,.96),rgba(10,13,19,.98));
  border-right:1px solid var(--line);
}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 10px}
.brand{display:flex;gap:10px;align-items:center;min-width:0}
.brand-text{display:grid;min-width:0}
.brand-text b{font-size:13.5px;letter-spacing:-.01em}
.brand-text span{font-size:11.5px;color:var(--muted-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span.live{color:var(--ok)}
.brand-text span.dead{color:var(--bad)}
.search-wrap{padding:0 12px 10px;position:relative}
.search-wrap::before{
  content:"⌕";position:absolute;left:22px;top:8px;color:var(--muted-2);font-size:14px;pointer-events:none;
}
#search{
  padding-left:32px;width:100%;background:var(--bg-soft);border:1px solid var(--line-soft);border-radius:11px;
  padding:9px 12px;color:var(--fg);outline:none;font-size:13px;
}
#search:focus{border-color:#2b3550}
.chat-list{overflow-y:auto;padding:4px 8px 8px;min-height:0}
.chat-item{
  width:100%;display:grid;grid-template-columns:44px 1fr auto;gap:10px;align-items:center;
  padding:9px 10px;border-radius:12px;border:0;background:transparent;text-align:left;transition:.13s;
}
.chat-item:hover{background:var(--panel-2)}
.chat-item.active{background:linear-gradient(90deg,rgba(108,140,255,.18),rgba(108,140,255,.05));box-shadow:inset 0 0 0 1px rgba(108,140,255,.22)}
.chat-item .ci-main{min-width:0}
.chat-item .ci-name{display:flex;gap:6px;align-items:center;font-weight:600;font-size:13.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item .ci-last{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:1px}
.chat-item .ci-side{display:grid;justify-items:end;gap:5px}
.chat-item .ci-time{font-size:11px;color:var(--muted-2)}
.badge{
  min-width:20px;height:20px;padding:0 6px;border-radius:99px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:11.5px;font-weight:700;
}
.avatar{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:650;font-size:14px;
  color:#0a0d13;background:#2b3550;flex:none;overflow:hidden;letter-spacing:-.02em;
}
.avatar.sm{width:34px;height:34px;font-size:12.5px}
.avatar.lg{width:56px;height:56px;font-size:18px}
.side-foot{padding:10px 12px;border-top:1px solid var(--line-soft)}
.me{display:flex;gap:10px;align-items:center;width:100%;border:0;background:transparent;padding:6px;border-radius:12px;text-align:left}
.me:hover{background:var(--panel-2)}
.me-text{display:grid;min-width:0}
.me-text b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-text small{color:var(--muted-2);font-size:11.5px}

/* ---------- чат ---------- */
.chat{position:relative;display:grid;min-height:0;background:
  radial-gradient(700px 420px at 70% 0%, rgba(108,140,255,.06), transparent 60%),var(--bg)}
.chat-inner{display:grid;grid-template-rows:auto 1fr auto;min-height:0}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:1px solid var(--line);
  background:rgba(13,17,25,.72);backdrop-filter:blur(14px);
}
.chat-title{display:grid;min-width:0;flex:1}
.back-btn{display:none}
@media(max-width:820px){
  .back-btn{display:grid}
}
.chat-title b{font-size:14.5px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-title span{font-size:12px}
.messages{overflow-y:auto;padding:22px clamp(14px,4vw,44px) 26px;min-height:0;scrollbar-gutter:stable;
  overscroll-behavior:contain}
.empty{display:grid;place-content:center;justify-items:center;text-align:center;height:100%;padding:24px}
.empty-art{font-size:40px;opacity:.5;margin-bottom:10px}
.empty h2{margin:0 0 6px;font-size:17px;font-weight:600}
.empty p{margin:0;color:var(--muted);font-size:13px;max-width:320px}

.day{display:flex;justify-content:center;margin:16px 0 12px}
.day span{font-size:11.5px;color:var(--muted-2);background:rgba(17,22,33,.9);border:1px solid var(--line-soft);
  padding:3px 10px;border-radius:99px}
.msg{display:flex;align-items:flex-end;gap:10px;margin-bottom:9px;max-width:min(660px,86%)}
.msg.out{margin-left:auto;justify-content:flex-end}
.msg .body{
  background:var(--bubble-in);border:1px solid var(--line-soft);border-radius:14px 14px 14px 5px;
  padding:8px 12px 6px;font-size:14px;white-space:pre-wrap;word-break:break-word;
  max-width:100%;width:fit-content;
}
.msg.out .body{
  background:linear-gradient(180deg,#2b3f78,#26386b);border-color:#33477f;border-radius:14px 14px 5px 14px;
}
.msg .meta{display:flex;gap:6px;justify-content:flex-end;align-items:center;margin-top:3px;
  font-size:10.5px;color:rgba(233,238,248,.55)}
.msg .author{font-size:12px;font-weight:650;color:var(--cyan);margin-bottom:2px}
.msg.file .body{padding:8px}
.file-card{display:flex;gap:10px;align-items:center;text-decoration:none;color:inherit}
.file-ic{width:36px;height:36px;border-radius:9px;background:rgba(108,140,255,.16);display:grid;place-items:center;font-size:16px}
.file-meta{display:grid;min-width:0}
.file-meta b{font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}
.file-meta small{font-size:11px;color:var(--muted)}

.composer{
  display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:end;width:100%;
  padding:12px clamp(12px,3vw,28px) 16px;border-top:1px solid var(--line);
  background:rgba(13,17,25,.82);backdrop-filter:blur(14px);
}
#input{
  resize:none;max-height:150px;width:100%;min-width:0;background:var(--bg-soft);border:1px solid var(--line);border-radius:13px;
  padding:11px 13px;color:var(--fg);outline:none;line-height:1.45;font-size:14px;
}
#input:focus{border-color:#33436b;box-shadow:0 0 0 3px rgba(108,140,255,.12)}
#input::-webkit-scrollbar{width:0;height:0}
#input{scrollbar-width:none}

/* сообщения занимают всю высоту, композер прижат к низу */
.chat-inner{height:100%}
.send{
  width:42px;height:42px;border-radius:13px;border:0;color:#fff;font-size:15px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 8px 20px -10px rgba(108,140,255,.9);transition:.15s;
}
.send:hover{filter:brightness(1.07)}
.send:disabled{opacity:.45;box-shadow:none}
.pending-files{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap;padding:0 clamp(12px,3vw,28px) 12px}
.chip-file{display:flex;gap:8px;align-items:center;background:var(--panel-2);border:1px solid var(--line);
  border-radius:10px;padding:6px 10px;font-size:12px}
.chip-file button{border:0;background:none;color:var(--muted);font-size:13px}

/* ---------- модальные окна ---------- */
.modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:20px;
  background:rgba(4,6,10,.68);backdrop-filter:blur(6px)}
.modal[hidden]{display:none}
.modal-card{
  width:min(520px,100%);max-height:82vh;display:grid;grid-template-rows:auto 1fr auto;
  background:linear-gradient(180deg,#151b28,#0e121b);border:1px solid var(--line);border-radius:18px;
  box-shadow:0 40px 90px -40px rgba(0,0,0,.95);overflow:hidden;
}
.modal-card header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-card header h3{margin:0;font-size:15px}
.modal-card footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--line)}
.modal-body{padding:16px 18px;overflow-y:auto;display:grid;gap:14px}
.field{display:grid;gap:6px;font-size:12.5px;color:var(--muted)}
.modal-search input{width:100%}
.people{display:grid;gap:4px}
.person{display:flex;gap:10px;align-items:center;padding:8px 8px;border-radius:11px;border:0;background:transparent;
  text-align:left;width:100%;transition:.13s}
.person:hover{background:var(--panel-2)}
.person.picked{background:rgba(108,140,255,.16);box-shadow:inset 0 0 0 1px rgba(108,140,255,.28)}
.person .p-text{display:grid;min-width:0;flex:1}
.person .p-text b{font-size:13px}
.person .p-text small{color:var(--muted-2);font-size:11.5px}
.check{width:18px;height:18px;border-radius:6px;border:1.5px solid var(--line);display:grid;place-items:center;
  color:transparent;font-size:11px}
.picked .check{background:var(--accent);border-color:var(--accent);color:#fff}
.profile-row{display:flex;gap:14px;align-items:center}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:4px 0 0;font-size:12.5px}
.kv dt{color:var(--muted-2)}
.kv dd{margin:0;font-family:ui-monospace,Menlo,monospace;font-size:12px;word-break:break-all}

/* ---------- уведомления ---------- */
.toasts{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:80;display:grid;gap:8px;justify-items:center}
.toast{background:#1a2130;border:1px solid var(--line);color:var(--fg);padding:9px 15px;border-radius:11px;
  font-size:13px;box-shadow:0 20px 40px -24px #000;animation:pop .18s ease}
.toast.bad{border-color:#4a2430;color:#ffb3b3}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:#232c3f;border-radius:99px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:#2d3850}
::-webkit-scrollbar-track{background:transparent}

@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .sidebar{position:absolute;inset:0;z-index:2}
  .app.chat-open .sidebar{display:none}
  .messages{padding:14px 12px 6px}
  .msg{max-width:92%}
}


/* ---------- быстрый поиск людей ---------- */
.search-wrap{position:relative}
.search-clear{
  position:absolute;right:22px;top:9px;border:0;background:transparent;color:var(--muted-2);
  font-size:12px;padding:2px 5px;border-radius:6px;
}
.search-clear:hover{color:var(--fg);background:var(--panel-2)}
.people-results{
  margin:0 12px 8px;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  max-height:46vh;overflow-y:auto;padding:4px;
}
.pr-group{padding:7px 9px 4px;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2)}
.pr-item{
  display:flex;gap:10px;align-items:center;width:100%;border:0;background:transparent;
  padding:8px 9px;border-radius:10px;text-align:left;
}
.pr-item:hover{background:var(--panel-2)}
.pr-text{display:grid;min-width:0;flex:1}
.pr-text b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pr-text small{color:var(--muted-2);font-size:11.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pr-hint{font-size:11px;color:var(--accent);opacity:0;transition:.15s}
.pr-item:hover .pr-hint{opacity:1}

/* ---------- контекстное меню ---------- */
.ctx-menu{
  position:fixed;z-index:120;min-width:212px;padding:5px;
  background:linear-gradient(180deg,#1a2130,#141a26);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 24px 60px -24px rgba(0,0,0,.95);animation:ctxIn .12s ease;
}
@keyframes ctxIn{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}
.ctx-item{
  display:flex;gap:10px;align-items:center;width:100%;border:0;background:transparent;
  padding:8px 10px;border-radius:8px;font-size:13px;text-align:left;color:var(--fg);
}
.ctx-item:hover{background:rgba(108,140,255,.16)}
.ctx-item.danger{color:#ff9d9d}
.ctx-item.danger:hover{background:rgba(255,107,107,.14)}
.ctx-item .ci-ic{width:18px;text-align:center;opacity:.85}
.ctx-sep{height:1px;background:var(--line);margin:4px 6px}

/* ---------- цитата в сообщении и панель ответа ---------- */
.msg .quote{
  border-left:2.5px solid var(--accent);padding:3px 8px;margin-bottom:5px;border-radius:4px;
  background:rgba(108,140,255,.10);cursor:pointer;max-width:100%;
}
.msg.out .quote{background:rgba(255,255,255,.09);border-left-color:#b9c7ff}
.quote b{display:block;font-size:11.5px;color:var(--cyan);font-weight:600;margin-bottom:1px}
.msg.out .quote b{color:#cdd9ff}
.quote span{font-size:12.5px;color:rgba(232,236,244,.8);display:block;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:320px}
.msg.deleted{opacity:.62}
.msg.deleted .body{background:transparent;border-style:dashed}
.msg.deleted .body em{font-style:italic;font-size:12.5px;color:var(--muted)}

.reply-bar{
  display:flex;align-items:center;gap:8px;padding:8px clamp(12px,3vw,28px);
  border-top:1px solid var(--line);background:rgba(13,17,25,.9);
}
.reply-inner{display:flex;gap:9px;align-items:center;flex:1;min-width:0}
.reply-accent{width:2.5px;height:30px;border-radius:2px;background:var(--accent);flex:none}
.reply-text{display:grid;min-width:0}
.reply-text b{font-size:11.5px;color:var(--cyan);font-weight:600}
.reply-text span{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- статусы сообщений ---------- */
.msg .status{display:inline-flex;align-items:center;gap:3px;margin-left:4px;font-size:11px;line-height:1}
.status .tick{letter-spacing:-2px;opacity:.75}
.status.sent .tick{opacity:.75}
.status.delivered .tick{opacity:.95}
.status.read .tick{color:#7fb3ff;opacity:1}
.status.sending .dot{
  width:9px;height:9px;border-radius:50%;border:1.5px solid rgba(233,238,248,.45);
  border-top-color:transparent;animation:spin .8s linear infinite;display:inline-block;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- картинки в ленте ---------- */
.msg-media{
  display:block;border:0;padding:0;background:transparent;cursor:zoom-in;margin-bottom:2px;
  border-radius:12px;overflow:hidden;line-height:0;
}
.msg-media img{display:block;max-width:min(360px,64vw);max-height:380px;width:auto;height:auto;border-radius:12px}
.msg-media:hover img{filter:brightness(1.05)}

/* ---------- просмотрщик ---------- */
.lightbox{position:fixed;inset:0;z-index:140;background:rgba(4,6,10,.94);display:grid;
  grid-template-rows:1fr auto}
.lightbox[hidden]{display:none}
.lightbox-stage{overflow:hidden;display:grid;place-items:center;cursor:zoom-in;position:relative}
.lightbox-stage img{
  max-width:96vw;max-height:88vh;transition:transform .18s ease;transform-origin:center center;
  will-change:transform;user-select:none;border-radius:6px;
}
.lightbox-stage.zoomed{cursor:grab}
.lightbox-stage.zoomed img{transition:none;cursor:grab}
.lightbox-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px;
  border-top:1px solid rgba(255,255,255,.08);background:rgba(10,13,19,.9)}
.lightbox-name{color:var(--muted);font-size:12.5px;max-width:60vw;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}