:root{
  --bg:#0b0f17; --bg2:#0f1520; --panel:#131a26; --panel2:#182131; --line:#243045; --line2:#2e3c55;
  --text:#e8ecf3; --muted:#93a0b5; --dim:#66738a;
  --gold:#d8b56a; --gold2:#f0d595; --gold-ink:#1a1408;
  --ok:#58c48b; --warn:#e6a23c; --bad:#ef6b6b;
  --r:14px; --r2:20px;
  --sans:"Inter","Noto Sans Armenian",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Playfair Display","Noto Serif Armenian",Georgia,serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--text);font:15px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea{font:inherit;color:inherit}
a{color:var(--gold2)}
.logo{display:inline-flex;width:30px;height:30px;color:var(--gold)}
.logo svg{width:100%;height:100%}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.06em}
.brand b{font-size:15px}
.langs{display:flex;gap:4px}
.langs button{background:transparent;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;color:var(--muted)}
.langs button.on{border-color:var(--gold);color:var(--gold2)}

/* ============ LANDING ============ */
.landing{min-height:100%;display:flex;flex-direction:column;position:relative;overflow:hidden}
.aurora{position:absolute;inset:0;pointer-events:none;z-index:0}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.35;animation:float 18s ease-in-out infinite}
.aurora span:nth-child(1){width:520px;height:520px;background:#3a2c0e;top:-140px;left:-120px}
.aurora span:nth-child(2){width:460px;height:460px;background:#13294a;bottom:-160px;right:-80px;animation-delay:-6s}
.aurora span:nth-child(3){width:300px;height:300px;background:#5a4519;top:40%;left:45%;opacity:.18;animation-delay:-12s}
@keyframes float{50%{transform:translate(40px,30px) scale(1.08)}}
.land-top,.land-main,.land-foot{position:relative;z-index:1}
.land-top{display:flex;justify-content:space-between;align-items:center;padding:22px clamp(16px,4vw,48px)}
.land-main{flex:1;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,5vw,72px);align-items:center;padding:12px clamp(16px,4vw,48px) 40px;max-width:1240px;margin:0 auto;width:100%}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);border:1px solid #4a3c1d;background:#1a150a80;padding:6px 12px;border-radius:999px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(30px,4vw,50px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.01em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:17px;max-width:560px;margin:0 0 26px}
.feats{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:12px;max-width:560px}
.feats li{display:flex;gap:14px;align-items:flex-start}
.fi{flex:0 0 38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);color:var(--gold);font-size:18px}
.feats b{display:block;font-weight:600}
.feats small{color:var(--muted);font-size:13.5px}
.demo{max-width:560px;border:1px solid var(--line);background:linear-gradient(180deg,#131a26cc,#0f1520cc);border-radius:var(--r2);padding:16px;backdrop-filter:blur(6px)}
.demo-q{background:var(--panel2);border-radius:12px 12px 4px 12px;padding:10px 14px;margin-left:auto;width:fit-content;max-width:90%;font-size:14px}
.demo-a{margin-top:10px;display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13.5px}
.demo-a em{font-style:normal;margin-left:6px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--gold);animation:blink 1.2s infinite}
.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}
@keyframes blink{50%{opacity:.25}}

.auth-card{background:linear-gradient(180deg,#151d2bee,#10161fee);border:1px solid var(--line2);border-radius:24px;padding:26px;box-shadow:0 30px 80px #0008,inset 0 1px 0 #ffffff0d}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:20px}
.tab{background:none;border:0;border-radius:9px;padding:9px;color:var(--muted);font-weight:600}
.tab.active{background:var(--panel2);color:var(--text);box-shadow:0 1px 0 #ffffff10 inset}
.form{display:grid;gap:14px}
.form label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.form input{background:var(--bg2);border:1px solid var(--line);border-radius:11px;padding:12px 14px;outline:none;transition:border .15s}
.form input:focus{border-color:var(--gold)}
.btn-gold{background:linear-gradient(180deg,var(--gold2),var(--gold));color:var(--gold-ink);border:0;border-radius:12px;padding:13px;font-weight:700;letter-spacing:.02em;margin-top:4px;transition:transform .1s,filter .15s}
.btn-gold:hover{filter:brightness(1.06)}.btn-gold:active{transform:translateY(1px)}
.btn-gold[disabled]{opacity:.6;cursor:wait}
.form-err{color:var(--bad);font-size:13px;margin:0}
.fine{color:var(--dim);font-size:12px;margin:16px 0 0;text-align:center}
.land-foot{padding:18px;text-align:center;color:var(--dim);font-size:12px}

@media (max-width:900px){
  .land-main{grid-template-columns:1fr}
  .demo{display:none}
}

/* ============ APP ============ */
.app{display:flex;height:100dvh}
.side{width:280px;flex:0 0 280px;background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:14px;gap:12px}
.side-head{display:flex;justify-content:space-between;align-items:center;padding:4px 4px 6px}
.brand.sm .logo{width:26px;height:26px}
.new-chat{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:11px 14px;font-weight:600;transition:border .15s}
.new-chat:hover{border-color:var(--gold)}
.new-chat span:first-child{color:var(--gold)}
.chat-list{flex:1;overflow:auto;display:flex;flex-direction:column;gap:2px;margin:0 -4px;padding:0 4px}
.chat-item{display:flex;align-items:center;gap:6px;border-radius:10px;padding:9px 10px;color:var(--muted);font-size:14px;cursor:pointer}
.chat-item:hover{background:var(--panel)}
.chat-item.on{background:var(--panel2);color:var(--text)}
.chat-item span{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.chat-item .del{opacity:0;background:none;border:0;color:var(--dim);padding:0 4px}
.chat-item:hover .del{opacity:1}
.side-foot{border-top:1px solid var(--line);padding-top:12px;display:grid;gap:10px}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px;font-size:13px}
.plan .who{font-weight:600;font-size:14px;margin-bottom:6px;overflow:hidden;text-overflow:ellipsis}
.plan .row{display:flex;justify-content:space-between;color:var(--muted)}
.plan .row b{color:var(--text);font-weight:600}
.bar{height:5px;background:var(--bg);border-radius:9px;margin-top:8px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2))}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;font-weight:600}
.badge.ok{background:#173525;color:var(--ok)}.badge.no{background:#3a1b1b;color:var(--bad)}
.link{background:none;border:0;color:var(--dim);font-size:13px;text-align:left;padding:0}
.link:hover{color:var(--text)}

.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}
.top{height:54px;display:flex;align-items:center;gap:10px;padding:0 18px;border-bottom:1px solid #ffffff08}
.top-title{color:var(--muted);font-size:14px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.icon-btn{background:none;border:0;font-size:20px;color:var(--muted);padding:4px 6px}
.only-mobile{display:none}

.thread{flex:1;overflow:auto;scroll-behavior:smooth}
.empty{max-width:760px;margin:0 auto;padding:12vh 20px 30px;text-align:center}
.empty-logo{width:62px;height:62px;margin:0 auto 18px;color:var(--gold);padding:12px;border-radius:18px;background:var(--panel);border:1px solid var(--line2)}
.empty h2{font-family:var(--serif);font-weight:600;font-size:30px;margin:0 0 8px}
.empty p{color:var(--muted);margin:0 0 26px}
.chips{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;text-align:left}
.chip{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:13px 14px;font-size:14px;color:var(--text);transition:border .15s,background .15s}
.chip:hover{border-color:var(--gold);background:var(--panel2)}
.chip small{display:block;color:var(--dim);font-size:12px;margin-bottom:3px}

.msgs{max-width:820px;margin:0 auto;padding:18px 20px 30px;display:flex;flex-direction:column;gap:22px}
.m-user{align-self:flex-end;background:var(--panel2);border:1px solid var(--line2);border-radius:18px 18px 6px 18px;padding:11px 16px;max-width:85%;white-space:pre-wrap;word-wrap:break-word}
.m-ai{display:flex;gap:14px}
.m-ai .av{flex:0 0 32px;height:32px;border-radius:10px;background:var(--panel);border:1px solid var(--line2);color:var(--gold);padding:5px}
.m-ai .body{flex:1;min-width:0}
.md{word-wrap:break-word}
.md h1,.md h2,.md h3{font-family:var(--serif);font-weight:600;margin:20px 0 8px;line-height:1.25}
.md h2{font-size:20px;color:var(--gold2);border-bottom:1px solid var(--line);padding-bottom:6px}
.md h3{font-size:17px}
.md p{margin:0 0 10px}
.md ul,.md ol{padding-left:22px;margin:0 0 10px}
.md li{margin:3px 0}
.md blockquote{margin:10px 0;padding:8px 14px;border-left:3px solid var(--gold);background:#1a150a55;border-radius:0 10px 10px 0;color:#e8dcc0}
.md code{background:var(--panel);padding:1px 6px;border-radius:6px;font-size:.92em}
.md table{border-collapse:collapse;width:100%;margin:10px 0;font-size:14px;display:block;overflow-x:auto}
.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.md th{background:var(--panel)}
.md>*:first-child{margin-top:0}
.sources{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.src{display:inline-flex;align-items:center;gap:6px;max-width:100%;font-size:12.5px;text-decoration:none;color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.src:hover{border-color:var(--gold);color:var(--text)}
.src span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:260px}
.src i{font-style:normal;color:var(--gold)}
.meta{margin-top:10px;font-size:12px;color:var(--dim);display:flex;gap:12px;flex-wrap:wrap}
.copy{background:none;border:0;color:var(--dim);font-size:12px;padding:0}
.copy:hover{color:var(--text)}

.captcha-box{margin-top:12px;background:var(--panel);border:1px solid var(--gold);border-radius:16px;padding:14px;display:grid;gap:12px;max-width:440px}
.captcha-box img{background:#fff;border-radius:8px;max-width:100%;height:auto;image-rendering:auto}
.captcha-row{display:flex;gap:8px}
.captcha-row input{flex:1;background:var(--bg2);border:1px solid var(--line2);border-radius:10px;padding:10px 12px;outline:none;letter-spacing:.12em;font-weight:600}
.captcha-row input:focus{border-color:var(--gold)}
.captcha-row button{background:linear-gradient(180deg,var(--gold2),var(--gold));color:var(--gold-ink);border:0;border-radius:10px;padding:0 16px;font-weight:700}
.captcha-actions{display:flex;justify-content:space-between;font-size:12.5px}
.captcha-actions a,.captcha-actions button{color:var(--muted);background:none;border:0;padding:0;text-decoration:underline}

.thinking{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:14px}
.step{display:flex;align-items:center;gap:10px;opacity:.45;transition:opacity .3s}
.step.on{opacity:1}.step.done{opacity:.8}
.step .s-ic{width:16px;height:16px;border-radius:50%;border:2px solid var(--line2)}
.step.on .s-ic{border-color:var(--gold);border-top-color:transparent;animation:spin .8s linear infinite}
.step.done .s-ic{border-color:var(--ok);background:var(--ok)}
@keyframes spin{to{transform:rotate(360deg)}}
.err{color:var(--bad);background:#2a1414;border:1px solid #4a2020;border-radius:12px;padding:10px 14px;font-size:14px}

.composer-wrap{padding:8px 20px calc(14px + env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent,var(--bg) 30%)}
.composer{max-width:820px;margin:0 auto;display:flex;align-items:flex-end;gap:8px;background:var(--panel);border:1px solid var(--line2);border-radius:20px;padding:8px 8px 8px 16px;box-shadow:0 10px 40px #0006;transition:border .15s}
.composer:focus-within{border-color:#6b5a32}
.composer textarea{flex:1;background:none;border:0;outline:none;resize:none;max-height:220px;padding:8px 0;line-height:1.5}
.send{flex:0 0 40px;height:40px;border-radius:12px;border:0;background:linear-gradient(180deg,var(--gold2),var(--gold));display:grid;place-items:center}
.send svg{width:18px;height:18px;fill:var(--gold-ink)}
.send[disabled]{opacity:.4;cursor:not-allowed}
.hint{max-width:820px;margin:8px auto 0;text-align:center;color:var(--dim);font-size:11.5px}
.expired{max-width:820px;margin:0 auto 10px;background:#2a2110;border:1px solid #5a4519;color:#f0d595;border-radius:14px;padding:12px 16px;font-size:14px;text-align:center}
.scrim{display:none}

@media (max-width:820px){
  .only-mobile{display:inline-block}
  .side{position:fixed;inset:0 auto 0 0;z-index:20;transform:translateX(-102%);transition:transform .25s;width:290px}
  .side.open{transform:none}
  .scrim{display:block;position:fixed;inset:0;background:#0009;z-index:19;opacity:0;pointer-events:none;transition:opacity .25s}
  .scrim.open{opacity:1;pointer-events:auto}
  .chips{grid-template-columns:1fr}
  .empty{padding-top:7vh}
  .msgs{padding:14px 16px 24px}
  .composer-wrap{padding-left:12px;padding-right:12px}
  .m-ai .av{display:none}
}

.err{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.retry-btn{background:linear-gradient(180deg,var(--gold2),var(--gold));color:var(--gold-ink);border:0;border-radius:10px;padding:7px 14px;font-weight:700;font-size:13px}
.cap-empty{height:60px;display:grid;place-items:center;border:1px dashed var(--line2);border-radius:8px;color:var(--dim);font-size:13px}
.captcha-actions .refresh{text-decoration:none;color:var(--gold2)}