*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --bg:#0a0a0b;
  --bg2:#131316;
  --bg3:#1a1a1f;
  --bg4:#222228;
  --border:#1f1f26;
  --tx:#ececef;
  --tx2:#8e8e99;
  --tx3:#52525b;
  --ac:#7c6aff;
  --ac2:#6a58e8;
  --ac3:#9b8aff;
  --ac-glow:rgba(124,106,255,.12);
  --r:10px;
  --f:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono','Fira Code',monospace;
  --glass:rgba(18,18,22,.75);
}

html,body{height:100%;overflow:hidden}
body{font-family:var(--f);background:var(--bg);color:var(--tx);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--ac3);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer;border:0;background:0;font:inherit;color:inherit;outline:none;-webkit-tap-highlight-color:transparent}
input,textarea{font:inherit;color:inherit;background:0;border:0;outline:0}
*:focus{outline:none}
*:focus-visible{outline:none}
.hide{display:none!important}
*{-webkit-tap-highlight-color:transparent}

/* Scrollbar */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(124,106,255,.2);border-radius:9px}
::-webkit-scrollbar-thumb:hover{background:rgba(124,106,255,.35)}

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes shimmer{0%{background-position:200% 50%}100%{background-position:-200% 50%}}
@keyframes glow-pulse{0%,100%{box-shadow:0 0 15px rgba(124,106,255,.15)}50%{box-shadow:0 0 25px rgba(124,106,255,.25)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}

/* ─── KEY SCREEN ─── */
#key-screen{height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.key-box{text-align:center;max-width:380px;width:100%;animation:fadeIn .4s ease}
.key-box h1{font-size:26px;font-weight:700;margin-bottom:6px;letter-spacing:-.5px}
.key-box>p{color:var(--tx2);font-size:14px;margin-bottom:24px}
.key-row{display:flex;gap:6px;margin-bottom:12px}
.key-row input{flex:1;padding:10px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r);font-family:var(--mono);font-size:13px;transition:border .15s}
.key-row input:focus{border-color:var(--ac)}
.key-row input::placeholder{color:var(--tx3)}
#key-go{padding:10px 20px;background:var(--ac);color:#fff;border-radius:var(--r);font-weight:600;font-size:15px;transition:background .15s}
#key-go:hover{background:var(--ac2)}
.key-box small{display:block;color:var(--tx3);font-size:11px}
.key-box small a{color:var(--tx2)}

/* ─── NAV ─── */
#nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 20px;
  background:var(--glass);
  backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);
  border-bottom:1px solid rgba(255,255,255,.05);
  position:sticky;top:0;z-index:10;
}
.nav-title{
  font-size:16px;font-weight:800;letter-spacing:-.4px;
  background:linear-gradient(135deg,#fff 0%,var(--ac3) 50%,var(--ac) 100%);
  background-size:200% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:shimmer 8s linear infinite;
}
.nav-right{display:flex;gap:2px;align-items:center}
.nav-btn{
  width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  border-radius:10px;color:var(--tx2);
  transition:all .2s;
}
.nav-btn:hover{background:var(--ac-glow);color:var(--ac3)}

/* ─── SIDEBAR (RIGHT) ─── */
.side{
  position:fixed;right:0;top:0;bottom:0;width:290px;
  background:var(--glass);
  backdrop-filter:blur(24px) saturate(1.3);-webkit-backdrop-filter:blur(24px) saturate(1.3);
  border-left:1px solid rgba(255,255,255,.05);
  display:flex;flex-direction:column;z-index:50;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.15,1);
}
.side.open{transform:translateX(0)}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:18px 16px 10px;font-size:11px;font-weight:700;color:var(--tx2);text-transform:uppercase;letter-spacing:1px}
#side-search{margin:0 12px 8px;padding:9px 14px;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:10px;font-size:12px;transition:border .2s}
#side-search:focus{border-color:rgba(124,106,255,.4)}
#side-search::placeholder{color:var(--tx3)}
#side-list{flex:1;overflow-y:auto;padding:4px 8px}

.ch-item{
  padding:10px 12px;border-radius:10px;cursor:pointer;
  font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  color:var(--tx2);transition:all .2s;
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:2px;border:1px solid transparent;
}
.ch-item:hover{background:rgba(255,255,255,.04);color:var(--tx)}
.ch-item.on{background:var(--ac-glow);color:var(--tx);border-color:rgba(124,106,255,.2)}
.ch-item .ch-del{opacity:0;color:var(--tx3);font-size:16px;padding:0 4px;transition:all .15s;flex-shrink:0}
.ch-item:hover .ch-del{opacity:1}
.ch-item .ch-del:hover{color:#f66}
.ch-name{overflow:hidden;text-overflow:ellipsis}

.side-foot{padding:10px 14px;border-top:1px solid var(--border)}
#btn-edit-key{font-size:12px;color:var(--tx3);padding:4px 0;transition:color .15s}
#btn-edit-key:hover{color:var(--tx2)}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:40;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}

/* ─── MODAL ─── */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:60;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:24px;width:100%;max-width:400px;box-shadow:0 24px 64px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.03) inset}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;font-size:15px;font-weight:700}
.modal input{width:100%;padding:10px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--r);font-family:var(--mono);font-size:13px;margin-bottom:14px;transition:border .15s}
.modal input:focus{border-color:var(--ac)}
.modal input::placeholder{color:var(--tx3)}
.modal-actions{display:flex;gap:8px}
.btn-accent{flex:1;padding:10px 0;background:linear-gradient(135deg,var(--ac),var(--ac3));color:#fff;border-radius:var(--r);font-size:13px;font-weight:600;transition:all .2s;box-shadow:0 2px 12px rgba(124,106,255,.3)}
.btn-accent:hover{box-shadow:0 4px 20px rgba(124,106,255,.45);transform:translateY(-1px)}
.btn-danger{flex:1;padding:10px 0;background:rgba(255,80,80,.06);color:#f66;border:1px solid rgba(255,80,80,.12);border-radius:var(--r);font-size:13px;font-weight:500;transition:all .15s}
.btn-danger:hover{background:rgba(255,80,80,.15)}

/* ─── MAIN ─── */
#main{display:flex;flex-direction:column;height:calc(100vh - 49px);height:calc(100dvh - 49px);min-width:0}

/* ─── WELCOME ─── */
.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;animation:slideUp .6s ease}
.welcome h2{
  font-size:28px;font-weight:800;margin-bottom:8px;letter-spacing:-.5px;
  background:linear-gradient(135deg,#fff 0%,var(--ac3) 40%,var(--ac) 70%,#c4b5fd 100%);
  background-size:300% auto;
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  animation:shimmer 6s linear infinite;
}
.welcome p.welcome-sub{font-size:13px;color:var(--tx3);margin-bottom:24px}
.chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.chips button{
  padding:10px 20px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.08);
  border-radius:24px;font-size:13px;color:var(--tx2);
  transition:all .25s;
  backdrop-filter:blur(8px);
}
.chips button:hover{
  border-color:rgba(124,106,255,.4);color:var(--ac3);
  background:var(--ac-glow);
  transform:translateY(-2px);
  box-shadow:0 4px 16px rgba(124,106,255,.15);
}

/* ─── MESSAGES ─── */
.msgs{flex:1;overflow-y:auto;overflow-x:hidden;padding:20px 0 12px}

.msg{padding:12px 0;animation:fadeIn .35s ease}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* streaming cursor */
.msg.streaming .msg-txt::after{content:'';display:inline-block;width:2.5px;height:16px;background:var(--ac);margin-left:3px;vertical-align:text-bottom;animation:blink .55s step-end infinite;border-radius:2px}
@keyframes blink{50%{opacity:0}}

.msg-in{max-width:720px;margin:0 auto;padding:0 24px;display:flex;gap:14px}

.msg-av{
  width:32px;height:32px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;flex-shrink:0;margin-top:2px;
  background:var(--bg3);border:1px solid var(--border);
}
.msg.bot .msg-av{
  background:linear-gradient(135deg,var(--ac),var(--ac3));
  border:none;color:#fff;font-weight:700;font-size:12px;
  box-shadow:0 3px 12px rgba(124,106,255,.3);
}
.msg.usr .msg-av{background:var(--bg4)}

.msg-body{min-width:0;flex:1}
.msg-who{font-size:10px;font-weight:700;color:var(--tx3);text-transform:uppercase;letter-spacing:.7px;margin-bottom:4px}
.msg.bot .msg-who{color:rgba(124,106,255,.6)}
.msg-txt{font-size:14px;line-height:1.75;word-break:break-word}
.msg-txt p{margin-bottom:8px}
.msg-txt p:last-child{margin-bottom:0}

/* code */
.msg-txt pre{
  background:var(--bg);
  border:1px solid var(--border);border-radius:10px;
  padding:16px 18px;overflow-x:auto;margin:10px 0;
  font-family:var(--mono);font-size:12.5px;line-height:1.65;
  position:relative;
  box-shadow:0 2px 8px rgba(0,0,0,.2) inset;
}
.msg-txt code{font-family:var(--mono);font-size:12.5px}
.msg-txt :not(pre)>code{background:rgba(124,106,255,.1);padding:2px 7px;border-radius:5px;font-size:12px;color:var(--ac3)}
.cp-btn{position:absolute;top:8px;right:8px;padding:4px 12px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;font-size:10px;color:var(--tx3);opacity:0;transition:all .15s;cursor:pointer}
.msg-txt pre:hover .cp-btn{opacity:1}
.cp-btn:hover{color:var(--ac3);border-color:rgba(124,106,255,.3);background:var(--ac-glow)}

/* markdown misc */
.msg-txt ul,.msg-txt ol{padding-left:18px;margin:6px 0}
.msg-txt li{margin-bottom:4px}
.msg-txt blockquote{border-left:2.5px solid var(--ac);padding-left:14px;color:var(--tx2);margin:8px 0;background:rgba(124,106,255,.04);border-radius:0 6px 6px 0;padding:8px 14px}
.msg-txt h1,.msg-txt h2,.msg-txt h3{margin:14px 0 6px;font-weight:700}
.msg-txt h1{font-size:18px}
.msg-txt h2{font-size:16px}
.msg-txt h3{font-size:15px}
.msg-txt hr{border:0;border-top:1px solid var(--border);margin:14px 0}
.msg-txt strong{font-weight:700;color:#fff}
.msg-txt table{border-collapse:collapse;margin:8px 0;width:100%;font-size:13px}
.msg-txt th,.msg-txt td{border:1px solid var(--border);padding:8px 12px;text-align:left}
.msg-txt th{background:var(--bg3);font-weight:600}
.msg-txt a{color:var(--ac3);text-decoration:underline;text-underline-offset:3px;transition:color .15s}
.msg-txt a:hover{color:#fff}

/* typing dots */
.dots{display:inline-flex;gap:5px;padding:8px 0}
.dots span{width:7px;height:7px;background:var(--ac);border-radius:50%;animation:dot .9s ease-in-out infinite;opacity:.2}
.dots span:nth-child(2){animation-delay:.15s}
.dots span:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,70%,100%{opacity:.15;transform:scale(.7)}35%{opacity:1;transform:scale(1.15)}}
.status-text{font-size:12px;color:var(--tx2);opacity:.7;padding:4px 0;animation:statusPulse 1.8s ease-in-out infinite}
@keyframes statusPulse{0%,100%{opacity:.5}50%{opacity:.85}}
.search-sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-top:8px;border-top:1px solid rgba(255,255,255,.06)}
.source-chip{display:inline-flex;align-items:center;gap:3px;padding:3px 10px;font-size:11px;color:var(--ac3);background:rgba(124,106,255,.08);border:1px solid rgba(124,106,255,.15);border-radius:20px;text-decoration:none;transition:all .2s;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.source-chip:hover{background:rgba(124,106,255,.18);border-color:rgba(124,106,255,.3);color:var(--ac)}

.stop-row{text-align:center;padding:8px 0}
.btn-stop{
  padding:7px 18px;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);border-radius:10px;
  font-size:11px;color:var(--tx2);transition:all .2s;
  backdrop-filter:blur(8px);
}
.btn-stop:hover{border-color:rgba(255,80,80,.3);color:#f66;background:rgba(255,80,80,.06)}
.btn-stop .sq{display:inline-block;width:8px;height:8px;background:#f66;border-radius:2px;margin-right:6px;vertical-align:middle}

.msg-err{color:#f66;font-size:13px;padding:10px 14px;background:rgba(255,80,80,.05);border:1px solid rgba(255,80,80,.1);border-radius:10px}
.msg-retry-btn{display:inline-flex;align-items:center;gap:4px;margin-top:8px;padding:6px 14px;font-size:12px;font-weight:500;color:var(--tx);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;transition:all .2s}
.msg-retry-btn:hover{background:rgba(124,106,255,.12);border-color:rgba(124,106,255,.3);color:var(--ac3)}

/* ─── INPUT ─── */
.input-box{padding:10px 20px 16px}
.input-row{
  position:relative;
  max-width:720px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg2);
  border:1.5px solid var(--border);
  border-radius:18px;
  padding:8px 8px 8px 18px;
  transition:all .25s;
  box-shadow:0 4px 24px rgba(0,0,0,.4),0 0 0 1px rgba(255,255,255,.02) inset;
}
.input-row:focus-within{
  border-color:rgba(124,106,255,.35);
  box-shadow:0 4px 24px rgba(0,0,0,.4);
}
#inp{
  flex:1;
  resize:none;
  font-size:14px;
  line-height:1.5;
  max-height:160px;
  padding:2px 0;
  background:transparent;
  align-self:center;
}
#inp::placeholder{color:var(--tx3)}
#inp:focus{outline:none;box-shadow:none;border:none}
#btn-send{
  width:36px;
  height:36px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,var(--ac),var(--ac3));
  color:#fff;
  flex-shrink:0;
  transition:all .2s;
  box-shadow:0 3px 14px rgba(124,106,255,.35);
  flex-shrink:0;
}
#btn-send:disabled{
  background:var(--bg3);
  color:var(--tx3);
  cursor:not-allowed;
  box-shadow:none;
}
#btn-send:not(:disabled):hover{
  box-shadow:0 4px 20px rgba(124,106,255,.55);
  transform:scale(1.08);
}
#btn-send:not(:disabled):active{
  transform:scale(.94);
}

/* ─── FOOTER ─── */
footer{text-align:center;padding:5px 0 8px;font-size:10px;color:var(--tx3);pointer-events:none;flex-shrink:0;letter-spacing:.3px}
footer a{color:var(--tx3);pointer-events:auto;transition:color .2s}
footer a:hover{color:var(--ac3)}

/* ─── LOGIN SCREEN ─── */
.login-screen{
  position:fixed;inset:0;z-index:100;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg);padding:20px;
  background-image:radial-gradient(ellipse at 50% 0%,rgba(124,106,255,.08) 0%,transparent 60%);
}
.login-box{
  text-align:center;max-width:380px;width:100%;
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:20px;padding:48px 36px;
  animation:slideUp .5s ease;
  box-shadow:0 24px 64px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.03) inset;
}
.login-logo{
  width:64px;height:64px;border-radius:18px;
  background:linear-gradient(135deg,var(--ac),var(--ac3),#c4b5fd);
  color:#fff;font-size:28px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 20px;
  box-shadow:0 6px 24px rgba(124,106,255,.35);
  animation:float 4s ease-in-out infinite;
}
.login-title{font-size:26px;font-weight:800;margin-bottom:6px;letter-spacing:-.5px}
.login-sub{color:var(--tx2);font-size:14px;margin-bottom:32px}
.btn-google{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 28px;
  background:#fff;color:#1f1f1f;
  border:none;border-radius:14px;
  font-size:14px;font-weight:500;
  text-decoration:none!important;
  transition:all .2s;
  box-shadow:0 4px 16px rgba(0,0,0,.1);
}
.btn-google:hover{
  box-shadow:0 8px 28px rgba(0,0,0,.18);
  transform:translateY(-2px);
  text-decoration:none!important;
}
.btn-telegram{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;
  background:linear-gradient(135deg,#2AABEE,#1e96d4);color:#fff;
  border-radius:14px;
  font-size:15px;font-weight:600;
  text-decoration:none!important;
  transition:all .2s;
  box-shadow:0 4px 18px rgba(42,171,238,.35);
  margin-bottom:12px;
}
.btn-telegram:hover{
  box-shadow:0 8px 28px rgba(42,171,238,.5);
  transform:translateY(-2px);
  text-decoration:none!important;
}
.login-loading{color:var(--tx3);font-size:13px;padding:10px 0}
.login-note{color:var(--tx3);font-size:13px;padding:10px 0}

/* ─── USER PROFILE in nav ─── */
.user-profile{
  display:flex;align-items:center;gap:6px;
  padding:0 6px;border-left:1px solid rgba(255,255,255,.05);margin-left:6px;
}
.user-icon{font-size:16px}
.av-img{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid var(--border);transition:border-color .2s}
.av-img:hover{border-color:var(--ac)}
.user-name-nav{font-size:12px;color:var(--tx2);max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout-btn{opacity:.4;transition:all .2s}
.logout-btn:hover{opacity:1;background:rgba(255,80,80,.08)!important;color:#f66!important}

/* ─── RESPONSIVE ─── */
@media(max-width:640px){
  .side{width:100%}
  .chips{flex-direction:column;width:100%;max-width:280px}
  .chips button{width:100%}
  .msg-in{padding:0 14px;gap:10px}
  .input-box{padding:0 10px 10px}
  .user-name-nav{display:none}
  .input-row{border-radius:14px;padding:5px 6px 5px 14px}
  .welcome h2{font-size:22px}
}

/* ─── MOBILE: видимые крестики удаления чатов ─── */
@media(max-width:640px){
  .ch-item .ch-del{
    opacity:.5;
    font-size:20px;
    padding:4px 8px;
    min-width:32px;
    min-height:32px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:6px;
  }
  .ch-item .ch-del:active{
    opacity:1;
    color:#f66;
    background:rgba(255,80,80,.12);
  }
}


/* ─── MODEL SWITCHER ─── */
.model-switch{
  display:flex;align-items:center;gap:5px;
  padding:5px 11px;
  background:rgba(124,106,255,.08);
  border:1px solid rgba(124,106,255,.15);
  border-radius:10px;
  font-size:11px;
  font-weight:700;
  color:var(--ac3);
  cursor:pointer;
  transition:all .2s;
  white-space:nowrap;
  flex-shrink:0;
  align-self:center;
  margin-bottom:1px;
}
.model-switch:hover{
  background:rgba(124,106,255,.15);
  border-color:rgba(124,106,255,.3);
  box-shadow:0 0 16px rgba(124,106,255,.1);
}
.model-switch svg{
  opacity:.6;
  transition:transform .2s;
}

.model-dropdown{
  position:absolute;
  bottom:calc(100% + 10px);
  left:8px;
  background:var(--bg2);
  border:1px solid var(--border);
  border-radius:14px;
  padding:6px;
  min-width:240px;
  box-shadow:0 16px 48px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.03) inset;
  z-index:20;
  animation:fadeIn .18s ease;
}

.model-option{
  padding:12px 14px;
  border-radius:10px;
  cursor:pointer;
  transition:all .15s;
}
.model-option:hover{
  background:rgba(255,255,255,.04);
}
.model-option.on{
  background:var(--ac-glow);
  border:1px solid rgba(124,106,255,.15);
}
.model-option:not(.on){border:1px solid transparent}
.model-opt-name{
  font-size:13px;
  font-weight:700;
  color:var(--tx);
}
.model-option.on .model-opt-name{
  color:var(--ac3);
}
.model-opt-desc{
  font-size:11px;
  color:var(--tx3);
  margin-top:3px;
}

@media(max-width:640px){
  .model-dropdown{
    left:0;
    min-width:200px;
  }
  .model-switch{
    padding:4px 8px;
    font-size:10px;
  }
}

/* ─── MEMORY ITEMS ─── */
.mem-item{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:10px;
  background:rgba(255,255,255,.03);margin-bottom:5px;
  transition:all .2s;
  border:1px solid transparent;
}
.mem-item:hover{background:rgba(255,255,255,.05);border-color:var(--border)}
.mem-text{flex:1;font-size:13px;color:var(--tx);word-break:break-word;line-height:1.55}
.mem-del{
  flex-shrink:0;width:28px;height:28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;font-size:14px;color:var(--tx3);
  cursor:pointer;transition:all .15s;
}
.mem-del:hover{background:rgba(255,80,80,.1);color:#f66}


/* ── Context compression bar ─────────────────────────────────────────────── */
.context-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.04);
  font-size: 12px;
  color: var(--tx2);
  flex-shrink: 0;
}
.context-bar.hide { display: none; }

.ctx-info {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  min-width: 0;
}

.ctx-pct {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ctx-track {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,.05);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}

.ctx-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(.4,0,.2,1), background-color 0.3s ease;
  width: 0%;
}

.ctx-fill.ctx-green { background: linear-gradient(90deg,#22c55e,#4ade80); box-shadow: 0 0 8px rgba(74,222,128,.2); }
.ctx-fill.ctx-yellow { background: linear-gradient(90deg,#eab308,#facc15); box-shadow: 0 0 8px rgba(250,204,21,.2); }
.ctx-fill.ctx-red { background: linear-gradient(90deg,#ef4444,#f87171); box-shadow: 0 0 8px rgba(248,113,113,.3); animation: ctx-pulse 1.5s ease-in-out infinite; }

@keyframes ctx-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.ctx-btn {
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg,var(--ac),var(--ac3));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(124,106,255,.25);
}
.ctx-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(124,106,255,.4); }
.ctx-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
.ctx-btn.hide { display: none; }

/* Уведомление о сжатии */
.compress-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  margin: 8px 24px;
  background: var(--ac-glow);
  border: 1px solid rgba(124, 106, 255, .15);
  border-radius: 12px;
  font-size: 12px;
  color: var(--ac3);
  animation: fadeIn 0.3s ease;
}
.compress-notice span { font-size: 14px; }

/* Мобильная адаптация */
@media (max-width: 640px) {
  .context-bar { padding: 5px 12px; gap: 6px; font-size: 11px; }
  .ctx-btn { padding: 4px 10px; font-size: 10px; }
  .compress-notice { margin: 6px 14px; padding: 7px 14px; }
}

/* ── Message context menu ──────────────────────────────────────────────────── */
.msg-ctx-menu {
  position: fixed;
  z-index: 100;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px;
  min-width: 140px;
  box-shadow: 0 12px 40px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.03) inset;
  animation: fadeIn .12s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.msg-ctx-quote,
.msg-ctx-copy,
.msg-ctx-del {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  background: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
}
.msg-ctx-copy {
  color: var(--tx);
}
.msg-ctx-quote {
  color: var(--tx);
}
.msg-ctx-quote:hover {
  background: rgba(255,255,255,.06);
}
.msg-ctx-quote svg {
  flex-shrink: 0;
}
.msg-ctx-copy:hover {
  background: rgba(255,255,255,.06);
}
.msg-ctx-del {
  color: #f66;
}
.msg-ctx-del:hover {
  background: rgba(255, 80, 80, .1);
}
.msg-ctx-copy svg,
.msg-ctx-del svg {
  flex-shrink: 0;
}

/* Disable text selection + double-tap zoom on messages (mobile) */
.msg {
  -webkit-touch-callout: none;
  touch-action: pan-y;
}
@media (pointer: coarse) {
  .msg {
    -webkit-user-select: none;
    user-select: none;
  }
  .msg-txt pre, .msg-txt code {
    -webkit-user-select: text;
    user-select: text;
  }
}

/* ── Message selection ripple + highlight ───────────────────────────────────── */
.msg-ripple {
  position: absolute;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,106,255,.4) 0%, rgba(124,106,255,.1) 60%, transparent 100%);
  transform: translate(-50%, -50%);
  animation: msg-ripple-expand .55s cubic-bezier(.2,.6,.3,1) forwards;
  pointer-events: none;
  z-index: 1;
}

@keyframes msg-ripple-expand {
  0% {
    width: 0;
    height: 0;
    opacity: .8;
  }
  100% {
    width: 800px;
    height: 800px;
    opacity: 0;
  }
}

.msg.msg-selected {
  background: rgba(124, 106, 255, .1);
  border-radius: 14px;
  transform: scale(1.018);
  box-shadow: 0 0 24px rgba(124,106,255,.12), inset 0 0 0 1px rgba(124,106,255,.15);
  transition: all .25s cubic-bezier(.2,.6,.3,1);
  z-index: 2;
  position: relative;
  outline: none;
}
.msg.msg-selected .msg-av {
  transform: scale(1.15);
  box-shadow: 0 0 16px rgba(124,106,255,.35);
  transition: all .25s cubic-bezier(.2,.6,.3,1);
}
.msg.msg-selected .msg-who {
  color: var(--ac3);
  transition: color .25s ease;
}

/* ─── IMAGE ATTACH BUTTON ─── */
.btn-attach {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  color: var(--tx3);
  flex-shrink: 0;
  transition: all .2s;
}
.btn-attach:hover { background: var(--ac-glow); color: var(--ac3); }
.btn-attach.has-img { color: var(--ac3); background: var(--ac-glow); }
.btn-search{background:none;border:1.5px solid transparent;color:var(--tx3);cursor:pointer;padding:6px;border-radius:50%;transition:all .25s;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.btn-search:hover{opacity:.85;color:var(--ac3);background:rgba(124,106,255,.06)}
.btn-search.active{opacity:1;color:var(--ac);background:rgba(124,106,255,.12);border-color:rgba(124,106,255,.35);box-shadow:0 0 10px rgba(124,106,255,.2)}
@keyframes searchDot{0%,100%{opacity:.4}50%{opacity:1}}

/* ─── IMAGE PREVIEW (над полем ввода) ─── */
.img-preview {
  max-width: 720px;
  margin: 0 auto 8px;
  padding: 0 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: flex-start;
  position: relative;
}
.img-thumb-item {
  position: relative;
  flex-shrink: 0;
}
.img-thumb-item img {
  height: 80px;
  width: 80px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid var(--border);
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  display: block;
}
.img-remove-btn {
  position: absolute;
  top: -7px; right: -7px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--bg4);
  border: 1.5px solid var(--border);
  color: var(--tx2);
  font-size: 10px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .15s;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  z-index: 1;
}
.img-remove-btn:hover { background: rgba(255,80,80,.15); color: #f66; border-color: rgba(255,80,80,.3); }
.img-count-badge {
  position: absolute;
  bottom: 4px; right: 4px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
  pointer-events: none;
}

/* ─── IMAGE COLLAGE IN MESSAGES ─── */
.msg-collage {
  display: grid;
  gap: 3px;
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 8px;
  max-width: min(420px, 80vw);
}
.msg-collage.collage-1 { grid-template-columns: 1fr; max-width: min(320px, 76vw); }
.msg-collage.collage-2 { grid-template-columns: 1fr 1fr; }
.msg-collage.collage-3 { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.msg-collage.collage-3 .collage-item:first-child { grid-row: 1 / 3; }
.msg-collage.collage-4 { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.msg-collage.collage-many { grid-template-columns: repeat(3, 1fr); }

.collage-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--bg3);
  position: relative;
}
.msg-collage.collage-1 .collage-item {
  aspect-ratio: unset;
  max-height: 300px;
}
.msg-collage.collage-3 .collage-item:first-child { aspect-ratio: unset; }
.collage-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .18s, transform .18s;
}
.collage-item:hover img { opacity: .88; transform: scale(1.04); }

@media (max-width: 640px) {
  .msg-collage { max-width: min(340px, 82vw); }
}

/* ─── IMAGE FULLSCREEN MODAL ─── */
.img-modal {
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(0,0,0,.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn .15s ease;
  cursor: zoom-out;
}
.img-modal-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  cursor: default;
}
.img-modal-inner img {
  max-width: 100%;
  max-height: 88vh;
  border-radius: 14px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  display: block;
}
.img-modal-close {
  position: absolute;
  top: -14px; right: -14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--tx);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all .15s;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
  z-index: 1;
}
.img-modal-close:hover { background: rgba(255,80,80,.2); color: #f66; }

@media (max-width: 640px) {
  .img-preview { margin-bottom: 6px; }
  .msg-img { max-width: min(240px, 72vw); }
}

/* ─── GALLERY ─── */
.gallery-modal-bg { align-items: flex-end; padding: 0; }

@media (min-width: 641px) {
  .gallery-modal-bg { align-items: center; padding: 20px; }
}

.gallery-modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 20px 20px 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp .25s cubic-bezier(.2,.8,.3,1);
  box-shadow: 0 -8px 40px rgba(0,0,0,.5);
}

@media (min-width: 641px) {
  .gallery-modal {
    border-radius: 20px;
    max-height: 82vh;
    animation: fadeIn .2s ease;
    box-shadow: 0 24px 64px rgba(0,0,0,.5);
  }
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 0;
  flex-shrink: 0;
}

.gallery-tabs {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,.05);
  border-radius: 12px;
  padding: 3px;
}

.gallery-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tx3);
  transition: all .2s;
  cursor: pointer;
}
.gallery-tab.on {
  background: var(--bg3);
  color: var(--tx);
  box-shadow: 0 1px 4px rgba(0,0,0,.3);
}
.gallery-tab:not(.on):active { color: var(--tx2); }
.gallery-cnt {
  background: var(--ac);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 8px;
  line-height: 1.6;
}
.gallery-close { margin-left: 8px; }

.gallery-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 10px;
  min-height: 0;
}

.gallery-section { width: 100%; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

@media (min-width: 400px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); gap: 3px; }
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
  background: var(--bg3);
  -webkit-tap-highlight-color: transparent;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .2s, opacity .2s;
}
.gallery-item:active img { transform: scale(.96); opacity: .8; }
.gallery-item-cap {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 4px 6px;
  font-size: 10px;
  color: #fff;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-radius: 0 0 6px 6px;
}

.gallery-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 20px;
  color: var(--tx3);
}
.gallery-empty svg { opacity: .3; }
.gallery-empty p { font-size: 14px; }

/* ─── GALLERY VIEWER ─── */
.gallery-viewer {
  position: fixed; inset: 0;
  z-index: 300;
  background: rgba(0,0,0,.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn .15s ease;
  touch-action: none;
}
.gallery-viewer-inner {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-viewer-img {
  max-width: 90vw;
  max-height: 82vh;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  display: block;
  pointer-events: none;
}
.gallery-viewer-cap {
  position: fixed;
  bottom: 24px;
  left: 50%; transform: translateX(-50%);
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  max-width: 80vw;
  pointer-events: none;
}
.gallery-viewer-counter {
  position: fixed;
  top: 20px;
  left: 50%; transform: translateX(-50%);
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,.5);
  font-variant-numeric: tabular-nums;
  background: rgba(0,0,0,.4);
  padding: 4px 10px;
  border-radius: 20px;
}
.gallery-viewer-close {
  position: fixed;
  top: 16px; right: 16px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s;
  font-size: 18px;
  z-index: 2;
}
.gallery-viewer-close:hover { background: rgba(255,80,80,.3); }

.gallery-nav {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
}
.gallery-nav:hover { background: rgba(255,255,255,.18); }
.gallery-prev { left: 16px; }
.gallery-next { right: 16px; }

/* ─── FILE CHIPS (превью и сообщения) ─── */
.file-chip-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 0;
  max-width: 200px;
  position: relative;
}
.file-chip-icon { font-size: 18px; flex-shrink: 0; line-height: 1; }
.file-chip-info { min-width: 0; flex: 1; }
.file-chip-name {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--tx);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-chip-size { display: block; font-size: 10px; color: var(--tx3); margin-top: 1px; }
.file-remove-btn { position: static; margin-left: 4px; flex-shrink: 0; }

/* файл в сообщении */
.file-chip-msg {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  max-width: 280px;
}
.file-chip-view, .gallery-file-open {
  flex-shrink: 0;
  padding: 4px 10px;
  background: var(--ac-glow);
  border: 1px solid rgba(124,106,255,.2);
  border-radius: 7px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ac3);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.file-chip-view:hover, .gallery-file-open:hover {
  background: rgba(124,106,255,.2);
  color: #fff;
}

/* ─── FILE VIEW MODAL ─── */
.file-view-modal {
  max-width: 700px !important;
  max-height: 85vh !important;
  display: flex !important;
  flex-direction: column !important;
}
.file-view-pre {
  flex: 1;
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre;
  margin-top: 4px;
  color: var(--tx);
}

/* ─── GALLERY FILES LIST ─── */
.gallery-files-list { padding: 4px 0; }
.gallery-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 12px;
  transition: background .15s;
  cursor: default;
}
.gallery-file-item:hover { background: rgba(255,255,255,.04); }
.gallery-file-icon { font-size: 22px; flex-shrink: 0; width: 32px; text-align: center; }
.gallery-file-info { flex: 1; min-width: 0; }
.gallery-file-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--tx);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gallery-file-size { display: block; font-size: 11px; color: var(--tx3); margin-top: 2px; }

/* ─── DRAG & DROP ─── */
#app-shell.drag-over::after {
  content: 'Отпустите файлы';
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: var(--ac3);
  background: rgba(10,10,11,.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px dashed var(--ac);
  border-radius: 16px;
  margin: 12px;
  pointer-events: none;
  animation: fadeIn .15s ease;
}

/* ─── KATEX MATH ─── */
.katex-display { overflow-x: auto; overflow-y: hidden; padding: 6px 0; }
.katex { font-size: 1em; }
.msg-txt .katex-display { margin: 8px 0; }

/* Quote chip in preview */
.quote-chip-preview {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 28px 8px 10px;
  background: var(--ac-glow);
  border: 1px solid rgba(124,106,255,.25);
  border-left: 3px solid var(--ac);
  border-radius: 10px;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  position: relative;
}
.quote-chip-preview svg { flex-shrink: 0; color: var(--ac3); margin-top: 1px; }
.quote-chip-text {
  font-size: 12px;
  color: var(--tx2);
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  word-break: break-word;
}



/* ── Quote system ──────────────────────────────────────────────────────────── */
.quote-btn {
  position: fixed;
  z-index: 99999;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  background: var(--bg3);
  color: var(--tx);
  font-size: 12px;
  font-weight: 600;
  font-family: var(--f);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,.5);
  cursor: pointer;
  transform: translateX(-50%);
  pointer-events: auto;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}
.quote-btn svg { color: var(--ac3); }
.quote-btn:active { background: var(--bg4); transform: translateX(-50%) scale(.96); }

/* Quote mode: dim all messages except the active one */
.quote-mode .msg:not(.quote-active-msg) {
  opacity: 0.2;
  pointer-events: none;
  transition: opacity .2s ease;
}
.quote-mode .msg.quote-active-msg {
  transition: opacity .2s ease;
}
.quote-active-msg {
  -webkit-user-select: text !important;
  user-select: text !important;
  -webkit-touch-callout: default !important;
  background: var(--bg2);
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(124,106,255,.15);
}
.quote-active-msg .msg-txt {
  -webkit-user-select: text !important;
  user-select: text !important;
}