:root{
  --bg:#07080c;--text:#e9ecf3;--muted:#8d93a5;
  --glass:rgba(255,255,255,.045);--glass-strong:rgba(18,20,28,.72);
  --line:rgba(255,255,255,.09);--line2:rgba(255,255,255,.16);
  --accent:#5ad1c4;--accent2:#6aa7ff;--accent-ink:#04201d;
  --user:rgba(90,209,196,.13);--user-line:rgba(90,209,196,.28);
  --danger:#ff6b7a;--ok:#5ad19a;--shadow:0 20px 60px rgba(0,0,0,.45);
  --blob1:#1d6f8f;--blob2:#2a3f9f;--blob3:#0f6b5e;
  --code:#0c0e14;--code-text:#d7dcea;
  color-scheme:dark;
}
:root[data-theme=light]{
  --bg:#eef1f7;--text:#161a24;--muted:#5d6577;
  --glass:rgba(255,255,255,.62);--glass-strong:rgba(255,255,255,.85);
  --line:rgba(20,30,60,.10);--line2:rgba(20,30,60,.2);
  --accent:#0e9f90;--accent2:#2f6fe0;--accent-ink:#fff;
  --user:rgba(14,159,144,.10);--user-line:rgba(14,159,144,.3);
  --shadow:0 20px 50px rgba(40,60,110,.16);
  --blob1:#9fd3e6;--blob2:#b6c4f5;--blob3:#a6e3d8;
  --code:#101524;--code-text:#e3e8f6;
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.6 Inter,"SF Pro Text",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;overflow:hidden;transition:background .3s,color .3s}
button,input,textarea,select{font:inherit;color:inherit}
.hidden{display:none!important}
.muted{color:var(--muted)}
a{color:var(--accent2)}

/* fon */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.bg i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.38}
:root[data-theme=light] .bg i{opacity:.55}
.bg i:nth-child(1){width:46vmax;height:46vmax;background:var(--blob1);top:-18vmax;left:-12vmax;animation:float 24s ease-in-out infinite}
.bg i:nth-child(2){width:40vmax;height:40vmax;background:var(--blob2);right:-14vmax;top:20vh;animation:float 30s ease-in-out infinite reverse}
.bg i:nth-child(3){width:34vmax;height:34vmax;background:var(--blob3);bottom:-16vmax;left:25vw;animation:float 27s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(4vmax,3vmax)}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001s!important;transition-duration:.001s!important}}

.glass{background:var(--glass);border:1px solid var(--line);-webkit-backdrop-filter:blur(22px) saturate(140%);backdrop-filter:blur(22px) saturate(140%)}

/* tugmalar */
.btn{border:1px solid var(--line2);background:var(--glass);border-radius:12px;padding:11px 16px;cursor:pointer;font-weight:600;transition:transform .15s,background .2s,border-color .2s,opacity .2s}
.btn:hover{border-color:var(--accent)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:transparent}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent}
.btn.wide{width:100%}
.btn:disabled{opacity:.55;cursor:wait}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid transparent;background:transparent;cursor:pointer;display:grid;place-items:center;font-size:17px;transition:background .2s}
.icon-btn:hover{background:var(--glass);border-color:var(--line)}
.chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:7px 13px;cursor:pointer;font-size:13px;font-weight:600;max-width:46vw}
.chip:hover{border-color:var(--line2)}
.chip.small{padding:6px 11px;font-size:12.5px}
.chip.on{border-color:var(--accent);color:var(--accent);background:var(--user)}
.chip #modelName{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);flex:none}
.caret{opacity:.6;font-size:11px}

/* auth */
.auth{position:relative;z-index:1;min-height:100dvh;display:grid;place-items:center;padding:20px;overflow:auto}
.auth-card{width:100%;max-width:410px;padding:34px 30px;border-radius:24px;box-shadow:var(--shadow);animation:rise .5s cubic-bezier(.2,.8,.2,1)}
.auth-card.center{text-align:center}
.auth-card h1{font-size:25px;margin:18px 0 4px;letter-spacing:-.02em}
.auth-card p{margin:0 0 22px}
@keyframes rise{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.brand{display:flex;align-items:center;gap:10px;font-size:17px}
.auth-card.center .brand{justify-content:center}
.logo{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04141a}
.drawer .logo{width:32px;height:32px;border-radius:10px}
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.field input{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line2);background:rgba(0,0,0,.18);outline:none;transition:border-color .2s,box-shadow .2s}
:root[data-theme=light] .field input{background:rgba(255,255,255,.7)}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(90,209,196,.18)}
.pw{position:relative}.pw input{padding-right:46px}
.eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:transparent;cursor:pointer;font-size:16px;padding:8px;opacity:.7}
.form-error{min-height:20px;color:var(--danger);font-size:13.5px;margin:-2px 0 10px}
.auth-switch{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);text-align:center;display:grid;gap:10px}

/* ilova maketi */
.app{position:relative;z-index:1;height:100dvh;display:grid;grid-template-rows:auto 1fr auto;max-width:980px;margin:0 auto}
.topbar{display:flex;align-items:center;gap:10px;margin:10px 12px 0;padding:8px 10px;border-radius:18px;position:relative;z-index:5}
.top-title{flex:1;font-weight:700;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-left:4px}
.burger{gap:4px;align-content:center;grid-auto-flow:row;justify-items:center}
.burger span{display:block;width:19px;height:2px;border-radius:2px;background:currentColor;transition:transform .25s,opacity .25s}
.burger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* menyu (3 chiziq) */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .25s;z-index:20}
.overlay.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;bottom:0;left:0;width:min(330px,86vw);z-index:30;transform:translateX(-102%);transition:transform .3s cubic-bezier(.2,.8,.2,1);display:flex;flex-direction:column;padding:16px;gap:12px;background:var(--glass-strong);border-radius:0 22px 22px 0;box-shadow:var(--shadow)}
.drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center}
.drawer-title{font-size:11.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700;margin-top:6px}
.convs{flex:1;overflow:auto;display:flex;flex-direction:column;gap:3px;margin:0 -6px;padding:0 6px}
.conv{display:flex;align-items:center;gap:6px;border-radius:11px;padding:9px 10px;cursor:pointer;border:1px solid transparent;font-size:14px}
.conv:hover{background:var(--glass)}
.conv.on{background:var(--user);border-color:var(--user-line)}
.conv .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .x{opacity:0;border:0;background:transparent;cursor:pointer;color:var(--muted);padding:2px 6px;border-radius:8px}
.conv:hover .x,.conv.on .x{opacity:1}
.conv .x:hover{color:var(--danger)}
.no-convs{color:var(--muted);font-size:13.5px;padding:8px 10px}
.drawer-foot{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:12px}
.quota{padding:11px 12px;border-radius:14px;background:var(--glass);border:1px solid var(--line)}
.quota-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:8px}
.bar{height:7px;border-radius:99px;background:rgba(127,127,127,.2);overflow:hidden}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .6s}
.bar.low i{background:linear-gradient(90deg,#ff9b6b,var(--danger))}
.row-btn{display:flex;gap:10px;align-items:center;width:100%;border:1px solid var(--line);background:var(--glass);border-radius:12px;padding:10px 12px;cursor:pointer;font-weight:600}
.row-btn:hover{border-color:var(--line2)}
.user-row{display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04141a;font-weight:800;flex:none}
.email{flex:1;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* model tanlash */
.model-pop{position:fixed;top:68px;right:max(12px,calc(50vw - 478px));width:min(360px,calc(100vw - 24px));max-height:65vh;overflow:auto;border-radius:18px;padding:10px;z-index:25;background:var(--glass-strong);box-shadow:var(--shadow);animation:rise .2s}
.model-pop h4{margin:8px 8px 4px;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.09em}
.m-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:11px;padding:9px 10px;cursor:pointer;font-size:13.5px}
.m-item:hover{background:var(--glass)}
.m-item.on{background:var(--user);border-color:var(--user-line)}
.m-item .tick{margin-left:auto;color:var(--accent)}

/* xabarlar */
.chat{position:relative;overflow:auto;padding:18px 14px 8px;scroll-behavior:smooth}
.messages{display:flex;flex-direction:column;gap:18px;max-width:820px;margin:0 auto;padding-bottom:10px}
.msg{display:flex;gap:11px;animation:rise .35s cubic-bezier(.2,.8,.2,1)}
.msg.user{justify-content:flex-end}
.bubble{max-width:min(100%,720px);border-radius:18px;padding:12px 16px;word-wrap:break-word;overflow-wrap:anywhere;min-width:0}
.msg.user .bubble{background:var(--user);border:1px solid var(--user-line);border-bottom-right-radius:6px;white-space:pre-wrap}
.msg.ai .bubble{background:var(--glass);border:1px solid var(--line);border-bottom-left-radius:6px;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.msg.err .bubble{border-color:rgba(255,107,122,.4);color:var(--danger)}
.ava{width:32px;height:32px;border-radius:10px;flex:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04141a;margin-top:2px}
.md p{margin:.1em 0 .7em}.md p:last-child{margin-bottom:0}
.md h1,.md h2,.md h3,.md h4{margin:.9em 0 .4em;line-height:1.3;letter-spacing:-.01em}
.md h1{font-size:1.3em}.md h2{font-size:1.18em}.md h3,.md h4{font-size:1.05em}
.md ul,.md ol{margin:.3em 0 .8em;padding-left:1.4em}.md li{margin:.2em 0}
.md blockquote{margin:.6em 0;padding:.2em 0 .2em 12px;border-left:3px solid var(--accent);color:var(--muted)}
.md code{font:13px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:rgba(127,127,127,.18);padding:2px 6px;border-radius:6px}
.md hr{border:0;border-top:1px solid var(--line);margin:1em 0}
.codeblock{margin:.6em 0;border-radius:12px;overflow:hidden;background:var(--code);border:1px solid var(--line)}
.codeblock .ch{display:flex;justify-content:space-between;align-items:center;padding:6px 8px 6px 12px;font-size:12px;color:#8d93a5;border-bottom:1px solid rgba(255,255,255,.07)}
.codeblock .ch button{border:0;background:transparent;color:#aab;cursor:pointer;font-size:12px;padding:3px 8px;border-radius:6px}
.codeblock .ch button:hover{background:rgba(255,255,255,.08)}
.codeblock pre{margin:0;padding:12px 14px;overflow:auto;color:var(--code-text)}
.codeblock code{background:none;padding:0;color:inherit}
.sources{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.sources a{font-size:12px;text-decoration:none;border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:3px 10px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}
.sources a:hover{border-color:var(--accent)}
.meta{margin-top:8px;font-size:12px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.meta button{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;padding:0}
.meta button:hover{color:var(--text)}
.atts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.att-img{width:120px;height:120px;border-radius:12px;object-fit:cover;border:1px solid var(--line);cursor:zoom-in}
.att-file{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:6px 10px;font-size:12.5px;background:var(--glass)}

/* yaratilgan media */
.media{margin-top:10px;display:grid;gap:10px}
.media img,.media video{width:100%;max-width:560px;border-radius:14px;display:block;border:1px solid var(--line);background:#000}
.media img{cursor:zoom-in}
.reveal{animation:reveal .9s cubic-bezier(.2,.8,.2,1)}
@keyframes reveal{from{opacity:0;transform:scale(.96);filter:blur(22px) saturate(1.6)}60%{filter:blur(4px)}to{opacity:1;transform:none;filter:none}}
.dl{display:inline-flex;gap:6px;align-items:center;font-size:12.5px;text-decoration:none;border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:5px 12px;color:var(--text);width:max-content}
.dl:hover{border-color:var(--accent)}

/* progress */
.prog{width:min(460px,100%)}
.prog-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.prog-title{font-weight:700}
.prog-pct{font-size:30px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.prog-bar{height:10px;border-radius:99px;background:rgba(127,127,127,.2);margin:10px 0 9px;overflow:hidden;position:relative}
.prog-bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent2));position:relative;overflow:hidden;transition:width .35s linear}
.prog-bar i::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,transparent 20%,rgba(255,255,255,.55) 50%,transparent 80%);transform:translateX(-100%);animation:shine 1.5s infinite}
@keyframes shine{to{transform:translateX(100%)}}
.prog-stage{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
.prog-ph{margin-top:12px;aspect-ratio:16/9;border-radius:14px;border:1px solid var(--line);background:linear-gradient(110deg,rgba(127,127,127,.10) 30%,rgba(127,127,127,.22) 50%,rgba(127,127,127,.10) 70%);background-size:220% 100%;animation:sk 1.6s linear infinite}
.prog-ph.tall{aspect-ratio:9/16;max-height:340px;margin-inline:auto}
.prog-ph.sq{aspect-ratio:1/1;max-height:320px}
@keyframes sk{to{background-position:-220% 0}}
.dots{display:inline-flex;gap:5px;padding:6px 2px}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:bounce 1.1s infinite}
.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}
@keyframes bounce{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}

/* bo'sh holat */
.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;pointer-events:none}
.empty>*{pointer-events:auto}
.empty h2{margin:14px 0 4px;font-size:26px;letter-spacing:-.02em}
.empty p{margin:0 0 20px}
.empty-logo{width:68px;height:68px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04141a;box-shadow:0 10px 40px rgba(90,209,196,.28)}
.suggest{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:620px}
.suggest button{border:1px solid var(--line);background:var(--glass);border-radius:14px;padding:11px 15px;cursor:pointer;font-weight:600;font-size:13.5px;transition:transform .15s,border-color .2s;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.suggest button:hover{border-color:var(--accent);transform:translateY(-2px)}

/* yozish paneli */
.composer-wrap{padding:6px 12px calc(10px + env(safe-area-inset-bottom));max-width:860px;width:100%;margin:0 auto}
.composer{border-radius:22px;padding:10px 12px 8px;box-shadow:var(--shadow);transition:border-color .2s}
.composer:focus-within{border-color:var(--line2)}
.composer.drag{border-color:var(--accent);box-shadow:0 0 0 3px rgba(90,209,196,.2)}
#input{width:100%;resize:none;border:0;background:transparent;outline:none;padding:6px 4px;max-height:200px;line-height:1.5}
#input::placeholder{color:var(--muted)}
.comp-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.comp-bar .left,.comp-bar .right{display:flex;align-items:center;gap:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:rgba(127,127,127,.08)}
.seg button{border:0;background:transparent;border-radius:999px;padding:5px 11px;cursor:pointer;font-size:12.5px;font-weight:600;color:var(--muted);white-space:nowrap}
.seg button.on{background:var(--accent);color:var(--accent-ink)}
.select{border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:6px 10px;font-size:12.5px;font-weight:600;outline:none}
.select option{color:#111}
.send{width:40px;height:40px;border-radius:13px;border:0;background:var(--accent);color:var(--accent-ink);cursor:pointer;display:grid;place-items:center;transition:transform .15s,opacity .2s}
.send:hover{transform:translateY(-1px)}
.send:disabled{opacity:.45;cursor:not-allowed;transform:none}
.attach-row{display:flex;gap:8px;flex-wrap:wrap}
.attach-row:not(:empty){margin-bottom:8px}
.pill{position:relative;display:flex;align-items:center;gap:8px;border:1px solid var(--line2);border-radius:12px;padding:4px 30px 4px 4px;background:var(--glass);font-size:12.5px;max-width:220px}
.pill img{width:40px;height:40px;object-fit:cover;border-radius:8px}
.pill .ic{width:40px;height:40px;display:grid;place-items:center;font-size:20px}
.pill .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill .rm{position:absolute;right:4px;top:50%;transform:translateY(-50%);border:0;background:transparent;cursor:pointer;color:var(--muted);font-size:14px}
.pill.up{opacity:.6}
.foot-note{text-align:center;font-size:11.5px;margin-top:7px}

.toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);background:var(--glass-strong);border:1px solid var(--line2);padding:10px 16px;border-radius:12px;opacity:0;pointer-events:none;transition:all .3s;z-index:60;font-size:13.5px;max-width:90vw;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.toast.show{opacity:1;transform:translate(-50%,0)}
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.86);display:grid;place-items:center;padding:20px}
.lightbox #lbClose{position:absolute;top:14px;right:14px;color:#fff}
.lightbox img{max-width:96vw;max-height:90vh;border-radius:12px}

::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(127,127,127,.3);border-radius:9px;border:2px solid transparent;background-clip:content-box}

@media (max-width:640px){
  .topbar{margin:8px 8px 0}
  .auth-card{padding:28px 22px}
  .comp-bar .left{width:100%;justify-content:space-between}
  .comp-bar .right{width:100%;justify-content:flex-end}
  .seg button{padding:5px 9px}
  .empty h2{font-size:22px}
  .model-pop{right:12px}
}