/* Chat widget — Аргумент Проект */
.ch-root{--ch-bg:#0C1A2B;--ch-bg2:#08111D;--ch-b:var(--glass-b,rgba(255,255,255,.09));--ch-t:var(--text,#E6EDF5);--ch-m:var(--mute,#8DA0B6);--ch-air:var(--air,#3FD0FF);
  font:400 15px/1.45 var(--f,system-ui,sans-serif);color:var(--ch-t)}
.ch-root *{box-sizing:border-box}
.ch-fab{position:fixed;right:24px;bottom:24px;z-index:60;width:56px;height:56px;border-radius:50%;border:0;padding:0;cursor:pointer;color:#fff;
  display:grid;place-items:center;background:linear-gradient(135deg,#D92D20,#FF4B3E);box-shadow:0 10px 30px -6px rgba(255,75,62,.7),0 0 0 1px rgba(255,255,255,.12) inset;
  transition:transform .15s,box-shadow .15s}
.ch-fab:hover{transform:scale(1.06)}
.ch-fab svg{width:26px;height:26px;display:block}
.ch-fab::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #FF4B3E;opacity:0;animation:ch-pulse 2.8s ease-out infinite;pointer-events:none}
@keyframes ch-pulse{0%{transform:scale(1);opacity:.55}70%,100%{transform:scale(1.6);opacity:0}}
.ch-fab .ch-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:#3EE08F;border:2px solid #0C1A2B}
.ch-open .ch-fab::after{animation:none}

.ch-teaser{position:fixed;right:24px;bottom:92px;z-index:60;max-width:260px;padding:12px 34px 12px 16px;border-radius:16px 16px 4px 16px;cursor:pointer;
  background:#12243A;border:1px solid var(--ch-b);box-shadow:0 14px 40px -10px rgba(0,0,0,.7);font-size:14px;line-height:1.4;color:var(--ch-t);text-align:left;
  font-family:inherit;animation:ch-in .35s ease both}
.ch-teaser[hidden]{display:none}
.ch-teaser:hover{border-color:rgba(63,208,255,.5)}
.ch-teaser-x{position:absolute;top:4px;right:4px;width:28px;height:28px;border:0;border-radius:50%;background:transparent;color:var(--ch-m);font-size:18px;line-height:1;cursor:pointer;display:grid;place-items:center;padding:0}
.ch-teaser-x:hover{color:var(--ch-t)}
@keyframes ch-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.ch-panel{position:fixed;right:24px;bottom:92px;z-index:60;width:350px;height:600px;max-height:calc(100vh - 116px);display:flex;flex-direction:column;overflow:hidden;
  border-radius:18px;background:var(--ch-bg);border:1px solid var(--ch-b);box-shadow:0 30px 80px -12px rgba(0,0,0,.85),0 0 0 1px rgba(63,208,255,.06);
  opacity:0;transform:translateY(16px) scale(.98);visibility:hidden;pointer-events:none;transition:opacity .22s ease,transform .22s ease,visibility 0s .22s}
.ch-open .ch-panel{opacity:1;transform:none;visibility:visible;pointer-events:auto;transition:opacity .22s ease,transform .22s ease}

.ch-head{display:flex;align-items:center;gap:12px;padding:14px 12px 12px 16px;background:linear-gradient(180deg,rgba(63,208,255,.09),rgba(63,208,255,.02));border-bottom:1px solid var(--ch-b);flex:none}
.ch-logo{flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--glass,rgba(255,255,255,.035));border:1px solid var(--ch-b);overflow:hidden}
.ch-logo svg,.ch-logo img{width:100%;height:100%;display:block}
.ch-ht{flex:1;min-width:0}
.ch-title{font:700 14px/1.2 var(--h,system-ui);margin:0}
.ch-status{display:flex;align-items:center;gap:7px;margin-top:4px;font-size:12px;line-height:1.3;color:var(--ch-m)}
.ch-status i{flex:none;width:8px;height:8px;border-radius:50%;background:#3EE08F;box-shadow:0 0 8px #3EE08F}
.ch-x{flex:none;width:36px;height:36px;border-radius:50%;border:0;background:transparent;color:var(--ch-m);cursor:pointer;display:grid;place-items:center;padding:0}
.ch-x:hover{background:var(--glass);color:var(--ch-t)}
.ch-x svg{width:18px;height:18px}
.ch-links{display:flex;gap:14px;padding:7px 16px;font-size:12px;color:var(--ch-m);border-bottom:1px solid var(--ch-b);flex:none;background:rgba(0,0,0,.12)}
.ch-links a{color:var(--ch-air);text-decoration:none;font-weight:600}
.ch-links a:hover{text-decoration:underline}

.ch-msgs{flex:1;overflow-y:auto;padding:16px 14px 8px;display:flex;flex-direction:column;gap:8px;scroll-behavior:smooth;overscroll-behavior:contain}
.ch-msgs::-webkit-scrollbar{width:6px}.ch-msgs::-webkit-scrollbar-thumb{background:rgba(160,190,230,.2);border-radius:3px}
.ch-m{max-width:86%;padding:9px 13px;border-radius:16px;word-wrap:break-word;overflow-wrap:anywhere;white-space:pre-wrap;animation:ch-in .25s ease both}
.ch-m.bot{align-self:flex-start;background:#15283F;border:1px solid var(--ch-b);border-bottom-left-radius:4px}
.ch-m.me{align-self:flex-end;background:linear-gradient(135deg,#D92D20,#C2410C);color:#fff;border-bottom-right-radius:4px}
.ch-m.file{display:flex;gap:6px;align-items:center}
.ch-typing{align-self:flex-start;display:flex;gap:5px;padding:13px 14px;border-radius:16px;border-bottom-left-radius:4px;background:#15283F;border:1px solid var(--ch-b)}
.ch-typing i{width:7px;height:7px;border-radius:50%;background:var(--ch-m);animation:ch-bl 1.1s infinite}
.ch-typing i:nth-child(2){animation-delay:.18s}.ch-typing i:nth-child(3){animation-delay:.36s}
@keyframes ch-bl{0%,60%,100%{opacity:.3;transform:none}30%{opacity:1;transform:translateY(-3px)}}

.ch-chips{display:flex;flex-wrap:wrap;gap:7px;align-self:stretch;animation:ch-in .25s ease both}
.ch-chip{font:600 13px var(--f,system-ui);color:var(--ch-t);background:transparent;border:1px solid rgba(63,208,255,.4);border-radius:999px;padding:8px 13px;min-height:36px;cursor:pointer;transition:background .15s,border-color .15s}
.ch-chip:hover{background:rgba(63,208,255,.12);border-color:var(--ch-air)}

.ch-form{align-self:stretch;display:flex;flex-direction:column;gap:9px;padding:12px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid var(--ch-b);animation:ch-in .25s ease both}
.ch-form input[type=tel],.ch-form input[type=text]{width:100%;font:inherit;font-size:16px;padding:11px 13px;border-radius:12px;border:1px solid var(--ch-b);background:rgba(8,17,29,.7);color:var(--ch-t);min-height:44px}
.ch-form input::placeholder,.ch-in::placeholder{color:#6B7F96}
.ch-form input:focus,.ch-in:focus{outline:none;border-color:var(--ch-air)}
.ch-form input[aria-invalid=true]{border-color:#FF4B3E}
.ch-cons{display:flex;gap:9px;align-items:flex-start;font-size:12px;line-height:1.4;color:var(--ch-m);cursor:pointer}
.ch-cons input{flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:#D92D20}
.ch-cons a{color:var(--ch-air)}
.ch-err{color:#FF8A80;font-size:13px;margin:0}
.ch-err:empty{display:none}
.ch-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:999px;border:0;cursor:pointer;text-decoration:none;
  background:linear-gradient(135deg,#D92D20,#C2410C);color:#fff;font:700 14px var(--f,system-ui);box-shadow:0 8px 24px -8px rgba(255,75,62,.65);transition:transform .15s}
.ch-btn:hover{color:#fff;transform:translateY(-1px)}
.ch-btn[disabled]{opacity:.6;cursor:default;transform:none}
.ch-btn.ghost{background:var(--glass,rgba(255,255,255,.035));border:1px solid var(--ch-b);box-shadow:none;color:var(--ch-t)}
.ch-btn.ghost:hover{border-color:rgba(63,208,255,.5);color:var(--ch-t)}
.ch-cta{display:flex;flex-direction:column;gap:8px;align-self:stretch;animation:ch-in .25s ease both}

.ch-foot{flex:none;border-top:1px solid var(--ch-b);padding:10px 12px 12px;background:var(--ch-bg2)}
.ch-fchip{display:flex;align-items:center;gap:8px;margin:0 0 8px;padding:5px 6px 5px 12px;border-radius:999px;background:rgba(63,208,255,.1);border:1px solid rgba(63,208,255,.3);font-size:12px;max-width:100%}
.ch-fchip[hidden]{display:none}
.ch-fchip span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ch-fchip button{flex:none;width:24px;height:24px;border:0;border-radius:50%;background:transparent;color:var(--ch-m);cursor:pointer;font-size:16px;line-height:1;padding:0}
.ch-ferr{color:#FF8A80;font-size:12px;margin:0 0 6px}
.ch-ferr:empty{display:none}
.ch-row{display:flex;align-items:flex-end;gap:6px}
.ch-in{flex:1;min-width:0;resize:none;font:inherit;font-size:15px;line-height:1.4;max-height:110px;padding:10px 14px;border-radius:20px;border:1px solid var(--ch-b);background:rgba(255,255,255,.04);color:var(--ch-t);height:42px;overflow-y:hidden;box-sizing:border-box;scrollbar-width:none}
.ch-in::-webkit-scrollbar{display:none}
.ch-root textarea.ch-in:focus-visible{outline:none;border-color:var(--ch-air);box-shadow:0 0 0 1px var(--ch-air)}
.ch-ib{flex:none;width:42px;height:42px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;padding:0}
.ch-ib svg{width:20px;height:20px}
.ch-clip{background:transparent;color:var(--ch-m)}
.ch-clip:hover{color:var(--ch-air);background:var(--glass)}
.ch-send{background:linear-gradient(135deg,#D92D20,#FF4B3E);color:#fff}
.ch-send[disabled],.ch-clip[disabled],.ch-in[disabled]{opacity:.45;cursor:default}
.ch-fab:focus-visible,.ch-root button:focus-visible,.ch-root a:focus-visible,.ch-root textarea:focus-visible{outline:2px solid var(--ch-air);outline-offset:2px}

@media (max-width:640px){
  .ch-fab{right:14px;bottom:84px}
  .ch-teaser{right:14px;bottom:152px;max-width:240px}
  .ch-panel{right:0;left:0;top:0;bottom:0;width:100%;height:100vh;height:100dvh;max-height:none;border-radius:0;border:0;transform:translateY(24px)}
  .ch-open .ch-fab{display:none}
  .ch-foot{padding-bottom:calc(12px + env(safe-area-inset-bottom))}
}
@media (prefers-reduced-motion:reduce){
  .ch-fab::after{animation:none;display:none}
  .ch-panel,.ch-open .ch-panel{transition:opacity .01s;transform:none}
  .ch-m,.ch-chips,.ch-form,.ch-cta,.ch-teaser{animation:none}
  .ch-msgs{scroll-behavior:auto}
  .ch-typing i{animation:none;opacity:.7}
}

/* two-way chat: operator replies + unread badge */
.ch-m.bot.op{background:#10324A;border-color:rgba(63,208,255,.45);border-left:3px solid var(--ch-air)}
.ch-op-l{display:block;margin:0 0 2px;font:700 11px/1.2 var(--f,system-ui);letter-spacing:.04em;text-transform:uppercase;color:var(--ch-air);white-space:normal}
.ch-fab .ch-badge{position:absolute;top:-4px;right:-4px;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--ch-air);color:#08111D;border:2px solid #0C1A2B;font:700 12px/18px var(--f,system-ui);text-align:center}
.ch-fab .ch-badge[hidden]{display:none}
.ch-fab .ch-badge:not([hidden])~.ch-dot,.ch-fab .ch-dot:has(~.ch-badge:not([hidden])){display:none}

/* ---- skills pass 10.11 ---- */
.ch-fab::after{animation-iteration-count:3}
.ch-cons,.ch-links,.ch-status{font-size:13px}
@media (max-width:640px){.ch-fab{width:48px;height:48px;right:12px}.ch-fab svg{width:22px;height:22px}}
@media (prefers-reduced-motion:reduce){.ch-fab:hover{transform:none}.ch-teaser{animation:none}}
/* 11.11: on the phone the chat opens from the bottom bar (button «Чат»), the round button is not needed there */
@media (max-width:640px){.ch-fab{display:none}.ch-teaser{bottom:calc(78px + env(safe-area-inset-bottom));right:12px}}