:root{
  --bg:#07090f; --bg2:#0d111b; --card:#111726; --line:#1e2638;
  --text:#e8ecf5; --muted:#8b95ad; --acc:#38bdf8; --acc2:#8b5cf6;
  --ok:#34d399; --warn:#fbbf24; --bad:#f87171;
  --grad:linear-gradient(135deg,var(--acc),var(--acc2));
}
:root[data-theme="light"]{
  --bg:#f6f8fc; --bg2:#ffffff; --card:#ffffff; --line:#e1e6f0;
  --text:#0f172a; --muted:#5b6780;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
code,pre,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* nav */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 80%,transparent);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.logo i{width:28px;height:28px;border-radius:8px;background:var(--grad);display:grid;place-items:center;font-style:normal;color:#fff;font-size:15px}
.nav ul{display:flex;gap:26px;list-style:none;color:var(--muted);font-size:14px}
.nav ul a:hover{color:var(--text)}
.nav-r{display:flex;gap:10px;align-items:center}
@media(max-width:720px){.nav ul{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--text);font-weight:600;font-size:14px;cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--acc)}
.btn.pri{background:var(--grad);border:0;color:#fff}
.btn.pri:hover{filter:brightness(1.1)}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.icon{padding:8px 10px}

/* hero */
.hero{padding:90px 0 60px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-200px 0 auto;height:500px;background:radial-gradient(600px 300px at 50% 0,rgba(56,189,248,.18),transparent),radial-gradient(500px 260px at 75% 20%,rgba(139,92,246,.16),transparent);pointer-events:none}
.pill{display:inline-flex;gap:8px;align-items:center;padding:6px 14px;border:1px solid var(--line);border-radius:99px;font-size:13px;color:var(--muted);background:var(--card)}
.pill b{color:var(--ok)}
.hero h1{font-size:clamp(36px,6vw,64px);line-height:1.08;margin:22px auto 18px;max-width:800px;letter-spacing:-.03em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:18px;max-width:600px;margin:0 auto 30px}
.cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.code{max-width:760px;margin:50px auto 0;text-align:left;background:var(--bg2);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.code .bar{display:flex;gap:6px;padding:12px 14px;border-bottom:1px solid var(--line);align-items:center}
.code .bar span{width:10px;height:10px;border-radius:50%;background:var(--line)}
.code .bar em{margin-left:auto;font-style:normal;color:var(--muted);font-size:12px}
.code pre{padding:18px;overflow:auto;font-size:13.5px;line-height:1.7;color:#cbd5e1}
.k{color:#c084fc}.s{color:#86efac}.c{color:#64748b}.f{color:#7dd3fc}

/* sections */
section{padding:70px 0}
.sec-h{text-align:center;margin-bottom:44px}
.sec-h h2{font-size:clamp(26px,4vw,38px);letter-spacing:-.02em}
.sec-h p{color:var(--muted);margin-top:10px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.card .ic{width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.12);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.card h3{font-size:17px;margin-bottom:6px}
.card p{color:var(--muted);font-size:14.5px}

.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;text-align:center}
.stats div{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.stats b{display:block;font-size:30px}
.stats span{color:var(--muted);font-size:13px}

/* models table */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl th{color:var(--muted);font-weight:500;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em}
.tbl-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--card)}
.tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;background:rgba(56,189,248,.12);color:var(--acc)}
.tag.ok{background:rgba(52,211,153,.12);color:var(--ok)}
.tag.warn{background:rgba(251,191,36,.12);color:var(--warn)}
.tag.bad{background:rgba(248,113,113,.12);color:var(--bad)}

/* pricing */
.price{display:flex;flex-direction:column}
.price.hot{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc),0 20px 50px -20px rgba(56,189,248,.35)}
.price h3{font-size:18px}
.price .amt{font-size:36px;font-weight:800;margin:10px 0}
.price .amt small{font-size:14px;color:var(--muted);font-weight:400}
.price ul{list-style:none;margin:14px 0 22px;color:var(--muted);font-size:14.5px;flex:1}
.price li{padding:5px 0}
.price li::before{content:"✓ ";color:var(--ok)}

footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ===== dashboard ===== */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.side{border-right:1px solid var(--line);background:var(--bg2);padding:20px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:6px}
.side .logo{padding:0 8px 18px}
.side button.nv{all:unset;box-sizing:border-box;display:flex;gap:12px;align-items:center;padding:10px 12px;border-radius:10px;color:var(--muted);cursor:pointer;font-size:14.5px;font-weight:500}
.side button.nv:hover{background:var(--card);color:var(--text)}
.side button.nv.on{background:rgba(56,189,248,.12);color:var(--acc)}
.side .sp{flex:1}
.plan{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--card);font-size:13px}
.plan .meter{height:6px;background:var(--line);border-radius:9px;margin:8px 0;overflow:hidden}
.plan .meter i{display:block;height:100%;width:42%;background:var(--grad)}
.main{padding:28px;min-width:0}
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.top h1{font-size:24px}
.top p{color:var(--muted);font-size:14px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:20px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.kpi span{color:var(--muted);font-size:13px}
.kpi b{display:block;font-size:28px;margin:4px 0}
.kpi em{font-style:normal;font-size:12.5px;color:var(--ok)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
.panel h3{font-size:16px;margin-bottom:14px;display:flex;justify-content:space-between;align-items:center}
.chart{display:flex;align-items:flex-end;gap:8px;height:190px;padding-top:10px}
.chart div{flex:1;background:var(--grad);border-radius:6px 6px 0 0;min-height:4px;position:relative;opacity:.85;transition:.2s}
.chart div:hover{opacity:1}
.chart div::after{content:attr(data-v);position:absolute;top:-22px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);opacity:0}
.chart div:hover::after{opacity:1}
.labels{display:flex;gap:8px;margin-top:8px;font-size:11px;color:var(--muted)}
.labels span{flex:1;text-align:center}
.view{display:none}.view.on{display:block}
.keyrow{display:flex;gap:8px;align-items:center}
.keyval{background:var(--bg);padding:3px 8px;border-radius:6px;font-size:13px}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);padding:10px 12px;border-radius:10px;font:inherit;font-size:14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
.chat{min-height:240px;max-height:420px;overflow:auto;display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.msg{padding:12px 14px;border-radius:12px;font-size:14.5px;max-width:85%;white-space:pre-wrap}
.msg.u{align-self:flex-end;background:var(--grad);color:#fff}
.msg.a{background:var(--bg);border:1px solid var(--line)}
.note{font-size:12.5px;color:var(--muted);margin-top:8px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--card);border:1px solid var(--line);padding:10px 18px;border-radius:10px;font-size:14px;transition:.25s;z-index:50}
.toast.show{transform:translateX(-50%) translateY(0)}
.burger{display:none}
@media(max-width:860px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;width:250px;z-index:40;transform:translateX(-100%);transition:.25s}
  .side.open{transform:none}
  .burger{display:inline-flex}
  .main{padding:18px}
}