:root{
  --bg:#090b0f;--panel:#11151b;--panel2:#171c24;--line:#252c36;--text:#f4f7fb;--muted:#98a2b3;
  --red:#ef4444;--red2:#b91c1c;--green:#22c55e;--yellow:#f59e0b;--shadow:0 18px 55px rgba(0,0,0,.24)
}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}
.shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:#0d1015;border-right:1px solid var(--line);padding:22px 16px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:.2px;margin:4px 8px 26px}.brand-dot{width:11px;height:11px;border-radius:99px;background:var(--red);box-shadow:0 0 20px rgba(239,68,68,.75)}
.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.7px}
.nav a{display:flex;gap:10px;padding:11px 12px;border-radius:10px;color:#cbd5e1;margin:3px 0}.nav a:hover,.nav a.active{background:#171b22;color:#fff}
.nav .sep{height:1px;background:var(--line);margin:14px 8px}
.main{min-width:0}.topbar{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(9,11,15,.9);backdrop-filter:blur(10px);position:sticky;top:0;z-index:10}
.topbar .meta{color:var(--muted);font-size:13px}.container{max-width:1400px;margin:auto;padding:28px}
h1{font-size:28px;margin:0 0 6px}h2{font-size:20px;margin:0 0 16px}p{color:#cbd5e1}.muted{color:var(--muted)}.tiny{font-size:12px}
.grid{display:grid;gap:18px}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}.stat strong{font-size:29px;display:block}.stat span{color:var(--muted);font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:10px;padding:10px 14px;font-weight:750;cursor:pointer;background:var(--red);color:white}.btn:hover{background:#dc2626}.btn.secondary{background:#171c24;border-color:#303846}.btn.danger{background:#7f1d1d}.btn.small{padding:7px 10px;font-size:13px}
.actions{display:flex;flex-wrap:wrap;gap:9px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}
label{display:block;font-size:13px;font-weight:750;margin-bottom:7px;color:#dbe3ee}.field{margin-bottom:16px}input,textarea,select{width:100%;background:#0c1015;color:#f8fafc;border:1px solid #303846;border-radius:10px;padding:11px 12px;outline:none}textarea{min-height:120px;resize:vertical}input:focus,textarea:focus,select:focus{border-color:#64748b}.help{font-size:12px;color:var(--muted);margin-top:6px}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:#9aa5b5;text-transform:uppercase;letter-spacing:.5px}td{font-size:14px}
.badge{display:inline-flex;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:800;background:#1f2937;color:#dbeafe}.badge.ok{background:#12351f;color:#86efac}.badge.warn{background:#3b2b0b;color:#fcd34d}.badge.red{background:#3b1517;color:#fca5a5}
.flash{padding:12px 14px;border:1px solid #275b38;background:#102a1a;color:#bbf7d0;border-radius:10px;margin-bottom:18px}.flash.error{border-color:#6b2328;background:#2a1214;color:#fecaca}
.chat-list{display:grid;grid-template-columns:350px 1fr;min-height:610px;padding:0;overflow:hidden}.conv-list{border-right:1px solid var(--line);max-height:680px;overflow:auto}.conv-item{display:block;padding:15px;border-bottom:1px solid var(--line)}.conv-item:hover{background:#171b22}.chat-pane{padding:18px;display:flex;flex-direction:column}.messages{flex:1;max-height:540px;overflow:auto;padding-right:6px}.bubble{max-width:78%;padding:11px 13px;border-radius:14px;margin:8px 0;background:#1b222c;line-height:1.45;white-space:pre-wrap}.bubble.user{margin-left:auto;background:#3a1718}.bubble.agent{background:#183020}.bubble small{display:block;color:#8e99a8;margin-top:7px}
.code{background:#07090c;border:1px solid #242b35;border-radius:10px;padding:14px;overflow:auto;color:#d1d5db;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;white-space:pre-wrap}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:22px}.auth-card{width:min(460px,100%);background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:28px}.auth-logo{font-size:22px;font-weight:900;margin-bottom:22px}
.landing{min-height:100vh;background:radial-gradient(circle at 15% 10%,rgba(239,68,68,.12),transparent 30%),var(--bg)}.hero{max-width:1100px;margin:auto;padding:100px 24px}.hero h1{font-size:clamp(42px,7vw,78px);line-height:.98;max-width:900px}.hero p{font-size:20px;max-width:750px;line-height:1.6}.kicker{color:#fca5a5;font-weight:800;text-transform:uppercase;letter-spacing:1.4px;font-size:12px}
.inline{display:flex;gap:10px;align-items:center}.right{text-align:right}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g2{grid-template-columns:1fr}.chat-list{grid-template-columns:1fr}.conv-list{border-right:0;border-bottom:1px solid var(--line);max-height:250px}}
@media(max-width:760px){.shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}.nav{display:flex;overflow:auto;gap:4px}.nav a{white-space:nowrap}.nav .sep{display:none}.topbar{padding:0 16px}.container{padding:18px}.g4{grid-template-columns:1fr 1fr}.page-head{align-items:flex-start;flex-direction:column}.topbar .meta{display:none}}
@media(max-width:480px){.g4{grid-template-columns:1fr}.hero{padding-top:60px}}