/* Multi AI Hub — design system. Dark "AI console" aesthetic.
   Palette: deep slate base, electric teal + violet accents, aurora glow. */
:root{
  --bg:#0a0e1a; --bg2:#0e1424; --panel:#121a2e; --panel2:#16203a;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --txt:#e8edf7; --muted:#93a1bf; --faint:#62718f;
  --teal:#2ee6c5; --teal2:#16b9a0; --violet:#7c6cff; --violet2:#a08bff;
  --blue:#3d8bff; --pink:#ff6fae; --amber:#ffb547; --green:#3ddc84; --red:#ff5d6c;
  --grad:linear-gradient(120deg,#7c6cff 0%,#2ee6c5 100%);
  --grad-soft:linear-gradient(120deg,rgba(124,108,255,.18),rgba(46,230,197,.14));
  --radius:16px; --radius-sm:11px;
  --shadow:0 18px 50px -20px rgba(0,0,0,.7);
  --ff:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --fd:'Space Grotesk','Inter',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--ff);background:var(--bg);color:var(--txt);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;
  min-height:100vh;
  background-image:
    radial-gradient(900px 500px at 12% -8%,rgba(124,108,255,.22),transparent 60%),
    radial-gradient(800px 480px at 98% 4%,rgba(46,230,197,.16),transparent 55%),
    radial-gradient(700px 600px at 50% 120%,rgba(61,139,255,.12),transparent 60%);
}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--teal2)}
h1,h2,h3,h4{font-family:var(--fd);font-weight:600;line-height:1.2;margin:.2em 0 .5em}
h1{font-size:2rem;letter-spacing:-.02em}
.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:.82rem}
.mono{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace}
.center{text-align:center}.right{text-align:right}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.container{max-width:1200px;margin:0 auto;padding:0 22px}
.hidden{display:none!important}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-family:var(--fd);font-weight:600;font-size:.92rem;cursor:pointer;
  padding:11px 20px;border-radius:11px;border:1px solid var(--line2);
  background:var(--panel2);color:var(--txt);transition:.16s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);border-color:var(--teal);color:#fff}
.btn-primary{background:var(--grad);border:none;color:#06121a}
.btn-primary:hover{filter:brightness(1.08);color:#06121a}
.btn-ghost{background:transparent}
.btn-danger{border-color:rgba(255,93,108,.5);color:#ffb0b8}
.btn-danger:hover{background:rgba(255,93,108,.14);border-color:var(--red)}
.btn-sm{padding:7px 13px;font-size:.82rem;border-radius:9px}
.btn-block{width:100%}
.btn-icon{padding:9px 11px}

/* ---------- forms ---------- */
label{display:block;font-size:.82rem;color:var(--muted);margin:0 0 6px;font-weight:500}
.input,input[type=text],input[type=email],input[type=password],input[type=number],
input[type=search],select,textarea{
  width:100%;padding:12px 14px;border-radius:11px;background:#0c1322;
  border:1px solid var(--line2);color:var(--txt);font-size:.95rem;font-family:var(--ff);
  outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--teal);
  box-shadow:0 0 0 3px rgba(46,230,197,.16);background:#0d1626}
textarea{resize:vertical;min-height:90px}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' stroke='%2393a1bf' stroke-width='1.6' fill='none'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:34px}
.field{margin-bottom:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1;min-width:140px}

/* ---------- cards / panels ---------- */
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow)}
.card.glass{background:rgba(18,26,46,.6);backdrop-filter:blur(14px)}
.card-pad-sm{padding:16px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-title h2,.section-title h3{margin:0}

/* ---------- badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.72rem;font-weight:600;
  padding:3px 9px;border-radius:999px;background:var(--panel2);border:1px solid var(--line2);color:var(--muted)}
.badge.green{color:#7ef0b0;border-color:rgba(61,220,132,.4);background:rgba(61,220,132,.1)}
.badge.red{color:#ffb0b8;border-color:rgba(255,93,108,.4);background:rgba(255,93,108,.1)}
.badge.amber{color:#ffd591;border-color:rgba(255,181,71,.4);background:rgba(255,181,71,.1)}
.badge.teal{color:#9af5e3;border-color:rgba(46,230,197,.4);background:rgba(46,230,197,.1)}
.badge.violet{color:#cabfff;border-color:rgba(124,108,255,.4);background:rgba(124,108,255,.12)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;font-family:var(--fd);font-weight:600;color:var(--muted);
  padding:13px 16px;background:#0d1525;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
td{padding:13px 16px;border-top:1px solid var(--line)}
tbody tr:hover{background:rgba(255,255,255,.025)}
.amt-pos{color:var(--green)}.amt-neg{color:#ff9aa4}

/* ---------- stat tiles ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.stat{background:linear-gradient(160deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;position:relative;overflow:hidden}
.stat::after{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:.2s}
.stat:hover::after{opacity:1}
.stat .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:1.25rem;background:var(--grad-soft);border:1px solid var(--line2);margin-bottom:12px}
.stat .v{font-family:var(--fd);font-size:1.7rem;font-weight:700;line-height:1}
.stat .l{color:var(--muted);font-size:.8rem;margin-top:5px}
.stat-rel{position:relative;z-index:1}

/* ---------- flash ---------- */
.flash{padding:12px 16px;border-radius:11px;margin-bottom:14px;font-size:.9rem;
  border:1px solid var(--line2);display:flex;gap:10px;align-items:center}
.flash.success{background:rgba(61,220,132,.12);border-color:rgba(61,220,132,.4);color:#bff5d3}
.flash.error{background:rgba(255,93,108,.12);border-color:rgba(255,93,108,.4);color:#ffc4ca}
.flash.info{background:rgba(61,139,255,.12);border-color:rgba(61,139,255,.4);color:#bcd6ff}

/* ---------- public shell ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(10,14,26,.72);border-bottom:1px solid var(--line)}
.nav .inner{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--fd);font-weight:700;font-size:1.18rem;color:#fff}
.brand .logo{width:34px;height:34px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#06121a;font-size:1.1rem}
.brand .logo-img{width:36px;height:36px;flex-shrink:0}
.hero-logo{width:104px;height:104px;margin:0 auto 6px;display:block;filter:drop-shadow(0 8px 28px rgba(124,108,255,.35))}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--muted);font-weight:500;font-size:.92rem}
.nav-links a:hover{color:#fff}

/* ---------- hero ---------- */
.hero{padding:84px 0 60px;text-align:center;position:relative}
.hero h1{font-size:clamp(2.3rem,6vw,4rem);margin-bottom:18px}
.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:680px;margin:0 auto 30px}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--grad-soft);border:1px solid var(--line2);font-size:.82rem;color:var(--teal);margin-bottom:22px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* provider chips marquee */
.prov-grid{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:34px}
.prov-chip{display:flex;align-items:center;gap:9px;padding:10px 16px;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);font-weight:600;font-size:.9rem}
.prov-chip .e{font-size:1.2rem}

/* feature grid */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:18px}
.feat{padding:22px}
.feat .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:1.4rem;background:var(--grad-soft);border:1px solid var(--line2);margin-bottom:14px}
.feat h3{font-size:1.1rem;margin:0 0 6px}

/* code block */
.code{background:#070b14;border:1px solid var(--line2);border-radius:12px;padding:16px 18px;
  font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.82rem;color:#cfe;overflow-x:auto;white-space:pre}
.copy-row{position:relative}
.copy-btn{position:absolute;top:10px;right:10px}

/* ---------- app shell (sidebar) ---------- */
.app{display:flex;min-height:100vh}
.side{width:248px;flex-shrink:0;background:rgba(12,18,34,.85);backdrop-filter:blur(12px);
  border-right:1px solid var(--line);padding:18px 14px;position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;overflow-y:auto}
.side .brand{padding:6px 8px 18px;font-size:1.1rem}
.side-group{font-size:.7rem;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);
  padding:14px 12px 6px;font-weight:600}
.side a.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--muted);font-weight:500;font-size:.92rem;margin-bottom:2px;transition:.13s}
.side a.nav-item:hover{background:rgba(255,255,255,.05);color:#fff}
.side a.nav-item.active{background:var(--grad-soft);color:#fff;border:1px solid var(--line2)}
.side a.nav-item .i{width:20px;text-align:center;font-size:1.02rem}
.side .badge-mini{margin-left:auto;font-size:.66rem}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;
  padding:0 26px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;
  background:rgba(10,14,26,.72);backdrop-filter:blur(12px)}
.topbar .page-h{font-family:var(--fd);font-weight:600;font-size:1.08rem}
.wallet-chip{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:11px;
  background:var(--grad-soft);border:1px solid var(--line2);font-weight:600;font-family:var(--fd)}
.user-chip{display:flex;align-items:center;gap:9px;padding:6px 10px 6px 6px;border-radius:11px;border:1px solid var(--line2);background:var(--panel2)}
.avatar{width:32px;height:32px;border-radius:9px;background:var(--grad);display:grid;place-items:center;color:#06121a;font-weight:700;font-family:var(--fd)}
.content{padding:26px;flex:1}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-head h1{font-size:1.55rem;margin:0}
.page-head .sub{color:var(--muted);font-size:.92rem;margin-top:3px}
.mobile-toggle{display:none}

/* grid helpers */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.gap-top{margin-top:18px}

/* ---------- chat ---------- */
.chat-wrap{display:flex;height:calc(100vh - 64px)}
.chat-side{width:270px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:rgba(12,18,34,.5)}
.chat-side .hd{padding:14px}
.chat-list{flex:1;overflow-y:auto;padding:0 10px 14px}
.chat-item{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);font-size:.88rem;
  margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item:hover{background:rgba(255,255,255,.05);color:#fff}
.chat-item.active{background:var(--grad-soft);color:#fff}
.chat-main{flex:1;display:flex;flex-direction:column;min-width:0}
.chat-head{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.chat-head select{width:auto;min-width:150px;padding:8px 30px 8px 12px}
.chat-stream{flex:1;overflow-y:auto;padding:22px;display:flex;flex-direction:column;gap:18px}
.msg{display:flex;gap:13px;max-width:860px}
.msg .av{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;font-size:1rem}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.user .av{background:var(--grad);color:#06121a}
.msg.ai .av{background:var(--panel2);border:1px solid var(--line2)}
.bubble{padding:13px 16px;border-radius:14px;background:var(--panel);border:1px solid var(--line);font-size:.94rem;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:anywhere}
.msg.user .bubble{background:var(--grad-soft);border-color:var(--line2)}
.bubble .meta{font-size:.72rem;color:var(--faint);margin-top:7px}
.bubble pre{background:#070b14;border:1px solid var(--line2);border-radius:9px;padding:11px;overflow-x:auto;font-size:.82rem}
.bubble code{font-family:'JetBrains Mono',monospace;font-size:.85em}
/* Claude.ai-style code blocks */
.codeblock{margin:10px 0;border:1px solid var(--line2);border-radius:10px;overflow:hidden;background:#070b14}
.cb-head{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:#0c1322;border-bottom:1px solid var(--line2)}
.cb-lang{color:var(--muted);font-size:.7rem;text-transform:uppercase;letter-spacing:.6px;font-family:'JetBrains Mono',monospace}
.cb-copy{background:transparent;border:1px solid var(--line2);color:var(--muted);border-radius:6px;padding:2px 12px;cursor:pointer;font-size:.72rem;transition:.15s}
.cb-copy:hover{border-color:var(--teal);color:var(--teal);background:rgba(46,230,197,.08)}
.codeblock pre{margin:0;border:none;border-radius:0;background:transparent;padding:13px 14px;font-size:.82rem;line-height:1.55}
.bubble h2{font-size:1.15rem;margin:12px 0 6px}.bubble h3{font-size:1.05rem;margin:11px 0 5px}.bubble h4,.bubble h5{font-size:.95rem;margin:10px 0 5px}
.bubble ul,.bubble ol{margin:8px 0;padding-left:22px}.bubble li{margin:4px 0;line-height:1.5}
.chat-input{padding:14px 18px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:flex-end}
.chat-input textarea{min-height:60px;max-height:300px;resize:none;line-height:1.55;padding:15px 16px;overflow-y:auto}
.chat-input .btn{height:60px;align-self:flex-end}
.empty-chat{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);gap:6px}
.empty-chat .big{font-size:3rem}
.typing span{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--teal);margin:0 2px;animation:blink 1.2s infinite both}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.25}40%{opacity:1}}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:10px}
.price-card{padding:26px;position:relative}
.price-card.pop{border-color:var(--teal);box-shadow:0 0 0 1px var(--teal),var(--shadow)}
.price-card .amt{font-family:var(--fd);font-size:2.4rem;font-weight:700;margin:8px 0}
.price-card ul{list-style:none;padding:0;margin:16px 0}
.price-card li{padding:7px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;display:flex;gap:9px}
.price-card li::before{content:"✦";color:var(--teal)}
.ribbon{position:absolute;top:-11px;right:18px;background:var(--grad);color:#06121a;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:999px;font-family:var(--fd)}

/* auth */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:30px}
.auth-card{width:min(440px,94vw);padding:34px}
.auth-card h1{font-size:1.6rem;text-align:center}
.auth-sub{text-align:center;color:var(--muted);margin-bottom:24px}
.divider{height:1px;background:var(--line);margin:18px 0}

/* misc */
.kbd{font-family:monospace;background:#0c1322;border:1px solid var(--line2);border-radius:6px;padding:1px 6px;font-size:.8rem}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:18px}
.pagination a,.pagination span{padding:7px 13px;border-radius:9px;border:1px solid var(--line2);color:var(--muted);font-size:.85rem}
.pagination .cur{background:var(--grad-soft);color:#fff}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar form{display:flex;gap:8px;flex:1;min-width:200px}
.copy-key{cursor:pointer}
footer.foot{border-top:1px solid var(--line);padding:30px 0;margin-top:60px;color:var(--muted);font-size:.88rem}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}

@media(max-width:900px){
  .side{position:fixed;left:-260px;z-index:100;transition:.25s;box-shadow:var(--shadow)}
  .side.open{left:0}
  .mobile-toggle{display:inline-flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .chat-side{display:none}
  .nav-links{display:none}
}