:root{
  --bg0:#0b1020;
  --bg1:#0f1730;
  --card:rgba(255,255,255,.06);
  --card2:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.10);
  --text:#e9eefc;
  --muted:rgba(233,238,252,.72);
  --brand:#6ae4ff;
  --brand2:#7c5cff;
  --danger:#ff5c7a;
  --warning:#ffcc66;
  --success:#48f2a4;
  --info:#6aa8ff;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius:16px;
  --radius2:22px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(900px 550px at 15% 10%, rgba(124,92,255,.25), transparent 60%),
    radial-gradient(900px 550px at 85% 20%, rgba(106,228,255,.18), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  line-height:1.45;
}

a{color:inherit}

.container{max-width:1120px;margin:0 auto;padding:28px 20px;min-height:100vh;display:flex;flex-direction:column}

.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.brand{
  display:flex;gap:10px;align-items:center;text-decoration:none;
}
.logo{
  width:38px;height:38px;border-radius:12px;
  background: linear-gradient(135deg, rgba(106,228,255,.95), rgba(124,92,255,.9));
  box-shadow: 0 10px 24px rgba(124,92,255,.22);
}
.brand strong{font-size:16px;letter-spacing:.2px}
.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}

.nav-links{display:flex;gap:14px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;padding:8px 10px;border-radius:12px}
.nav-links a:hover{background:rgba(255,255,255,.05);color:var(--text)}

.btn{
  appearance:none;border:1px solid var(--border);
  background:rgba(255,255,255,.06);color:var(--text);
  padding:10px 14px;border-radius:14px;
  font-weight:600;font-size:14px;cursor:pointer;
  text-decoration:none;display:inline-flex;align-items:center;gap:10px;
}
.btn:hover{background:rgba(255,255,255,.10)}
.btn-primary{
  border-color:rgba(106,228,255,.35);
  background: linear-gradient(135deg, rgba(106,228,255,.18), rgba(124,92,255,.18));
}
.btn-primary:hover{background: linear-gradient(135deg, rgba(106,228,255,.25), rgba(124,92,255,.25))}
.btn-danger{border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.12)}
.btn-danger:hover{background:rgba(255,92,122,.18)}
.btn-small{padding:8px 10px;border-radius:12px;font-size:13px}
.btn[data-copied="true"]{border-color:rgba(72,242,164,.4);background:rgba(72,242,164,.10)}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns: 1.3fr .7fr}
@media (max-width: 980px){.grid-2{grid-template-columns:1fr}}
.grid-3{grid-template-columns: repeat(3, 1fr)}
@media (max-width: 980px){.grid-3{grid-template-columns:1fr}}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-inner{padding:18px}
.card h2{margin:0 0 8px 0;font-size:18px}
.card p{margin:0;color:var(--muted)}
.card-header{
  padding:16px 18px;
  border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.03);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card-header h3{margin:0;font-size:14px;letter-spacing:.2px;color:rgba(233,238,252,.9)}

.hero{
  padding:46px 0 26px;
}
.hero h1{
  font-size:42px;line-height:1.1;margin:0 0 12px 0;
  letter-spacing:-.6px;
}
.hero p{margin:10px 0 22px 0;color:var(--muted);font-size:16px;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}

.section{margin-top:22px}

.hero .pill{margin-bottom:14px}
.card-inner > .pill{margin-top:12px}
.pill + .pill{margin-top:10px}

.pill{
  display:inline-flex;gap:10px;align-items:center;
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--muted);font-size:13px;
}
.pill code{font-family:var(--mono);font-size:12px;color:rgba(233,238,252,.9)}

.form{padding:18px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width: 860px){.form .row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}
.field label{font-size:13px;color:rgba(233,238,252,.82)}
.field input,.field select,.field textarea{
  border-radius:14px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.18);
  color:var(--text);
  padding:12px 12px;
  outline:none;
}
.field textarea{min-height:110px;resize:vertical}
.hint{font-size:12px;color:rgba(233,238,252,.55)}

.flash{
  padding:12px 14px;border-radius:16px;margin:0 0 16px 0;
  border:1px solid var(--border);background:rgba(255,255,255,.06);
}
.flash.info{border-color:rgba(106,168,255,.35);background:rgba(106,168,255,.10)}
.flash.success{border-color:rgba(72,242,164,.35);background:rgba(72,242,164,.10)}
.flash.warning{border-color:rgba(255,204,102,.35);background:rgba(255,204,102,.10)}
.flash.danger{border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.10)}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 10px;border-radius:999px;font-size:12px;
  border:1px solid var(--border);background:rgba(255,255,255,.05);
  color:rgba(233,238,252,.9);
}
.badge.neutral{opacity:.95}
.badge.info{border-color:rgba(106,168,255,.35);background:rgba(106,168,255,.10)}
.badge.success{border-color:rgba(72,242,164,.35);background:rgba(72,242,164,.10)}
.badge.warning{border-color:rgba(255,204,102,.35);background:rgba(255,204,102,.10)}
.badge.danger{border-color:rgba(255,92,122,.35);background:rgba(255,92,122,.12)}

.table{width:100%;border-collapse:separate;border-spacing:0}
.table th,.table td{padding:12px 12px;border-bottom:1px solid rgba(255,255,255,.07);text-align:left}
.table th{font-size:12px;color:rgba(233,238,252,.65);font-weight:600}
.table td{font-size:14px}
.mono{font-family:var(--mono);font-size:12.5px;color:rgba(233,238,252,.85)}

.stepper{display:flex;flex-direction:column;gap:10px}
.step{
  display:flex;gap:12px;align-items:flex-start;
  padding:10px 12px;border-radius:16px;border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.14);
}
.step .dot{
  width:10px;height:10px;border-radius:999px;margin-top:6px;
  background:rgba(233,238,252,.20);flex:0 0 auto;
}
.step.done .dot{background:rgba(72,242,164,.95)}
.step.current .dot{background:rgba(106,228,255,.95);box-shadow:0 0 0 6px rgba(106,228,255,.10)}
.step .label{font-size:13px;color:rgba(233,238,252,.82)}
.step .state{font-size:12px;color:rgba(233,238,252,.55)}

.chat{display:flex;flex-direction:column;gap:10px;max-height:360px;overflow:auto;padding:14px}
.msg{display:flex;gap:10px}
.bubble{
  padding:10px 12px;border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.05);
  max-width: 86%;
}
.msg.support{justify-content:flex-start}
.msg.support .bubble{background:rgba(106,168,255,.08);border-color:rgba(106,168,255,.22)}
.msg.user{justify-content:flex-end}
.msg.user .bubble{background:rgba(124,92,255,.10);border-color:rgba(124,92,255,.25)}
.bubble .meta{font-size:11px;color:rgba(233,238,252,.55);margin-bottom:4px}
.bubble .text{font-size:13px;color:rgba(233,238,252,.9);white-space:pre-wrap}

.preview{
  margin:10px 0 2px 0;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.12);
}
.preview summary{
  cursor:pointer;
  user-select:none;
  color:rgba(233,238,252,.85);
  font-size:13px;
  font-weight:600;
}
.preview[open]{background:rgba(0,0,0,.18)}
pre.code{
  margin:10px 0 0 0;
  padding:12px;
  border-radius:14px;
  background:rgba(0,0,0,.24);
  border:1px solid rgba(255,255,255,.08);
  overflow:auto;
  font-family:var(--mono);
  font-size:12.5px;
  line-height:1.45;
  color:rgba(233,238,252,.9);
  white-space:pre;
}

.footer{
  padding:22px 0 28px;
  color:rgba(233,238,252,.55);
  font-size:12px;
  margin-top:auto;
}
.footer a{color:rgba(233,238,252,.72)}

.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.62);
  display:flex;align-items:center;justify-content:center;
  z-index:9999;
}
.overlay-card{
  width:min(520px, calc(100vw - 40px));
  background:rgba(15,23,48,.92);
  border:1px solid rgba(255,255,255,.12);
  border-radius:22px;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
  padding:18px;
}
.overlay-title{font-weight:700;margin-bottom:12px}
.overlay-bar-wrap{height:12px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.overlay-bar{height:100%;width:0;background:linear-gradient(90deg, rgba(106,228,255,.95), rgba(124,92,255,.95));transition:width .18s ease}
.overlay-hint{margin-top:10px;font-size:12px;color:rgba(233,238,252,.55)}

.spinner{
  width:34px;height:34px;border-radius:999px;
  border:3px solid rgba(255,255,255,.14);
  border-top-color: rgba(106,228,255,.95);
  animation: spin 0.9s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}