:root{--bg:#f6f7fb;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--brand:#16a34a;--brand-dark:#15803d;--danger:#dc2626;--warn:#d97706;--info:#2563eb;--radius:12px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:15px}
a{color:var(--info);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .6em;font-weight:600;line-height:1.25}h1{font-size:26px}h2{font-size:19px}h3{font-size:16px}
p{margin:0 0 .8em}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;background:#eef2ff;padding:1px 5px;border-radius:5px}
pre{background:#0f172a;color:#e2e8f0;padding:14px;border-radius:10px;overflow:auto;font-size:13px;line-height:1.5}pre code{background:none;color:inherit;padding:0}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
/* public header */
.topbar{background:#fff;border-bottom:1px solid var(--line)}.topbar .container{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.logo{font-weight:700;font-size:17px;color:var(--text);display:flex;align-items:center;gap:8px}.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);display:inline-block}
.nav a{margin-left:18px;color:var(--text);font-weight:500}.nav a.btn{margin-left:14px}
.hero{padding:64px 0 40px;text-align:center}.hero h1{font-size:40px;margin-bottom:14px}.hero p{font-size:18px;color:var(--muted);max-width:720px;margin:0 auto 24px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:32px 0}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin:24px 0}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.price-card.featured{border-color:var(--brand);box-shadow:0 0 0 2px rgba(22,163,74,.15)}.price{font-size:32px;font-weight:700;margin:6px 0}.price small{font-size:14px;font-weight:400;color:var(--muted)}
.price-card ul{padding-left:18px;margin:10px 0 16px;color:#374151}.price-card .btn{margin-top:auto}
footer{padding:36px 0;color:var(--muted);font-size:13px;border-top:1px solid var(--line);margin-top:40px}
/* app shell */
.shell{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:#0f172a;color:#cbd5e1;padding:18px 14px;display:flex;flex-direction:column;gap:6px}
.side .logo{color:#fff;padding:6px 10px 16px}.side a.item{display:block;padding:9px 12px;border-radius:8px;color:#cbd5e1;font-weight:500}.side a.item:hover{background:#1e293b;text-decoration:none}.side a.item.active{background:#16a34a;color:#fff}
.side .sep{height:1px;background:#1e293b;margin:10px 0}.side .who{margin-top:auto;font-size:13px;color:#94a3b8;padding:10px}
.main{padding:26px 30px;min-width:0}.page-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);margin-bottom:18px}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.stat{display:flex;flex-direction:column;gap:2px}.stat b{font-size:26px;font-weight:600}.stat span{color:var(--muted);font-size:13px}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:500;font-size:13px}tr:last-child td{border-bottom:0}
.table-wrap{overflow:auto}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:500;background:#e5e7eb;color:#374151;white-space:nowrap}
.badge.open,.badge.active,.badge.ok,.badge.info{background:#dcfce7;color:#166534}.badge.qr,.badge.trial,.badge.warn{background:#fef3c7;color:#92400e}
.badge.closed,.badge.logged_out,.badge.suspended,.badge.error,.badge.blocked,.badge.failed{background:#fee2e2;color:#991b1b}.badge.connecting,.badge.idle{background:#dbeafe;color:#1e40af}.badge.admin{background:#ede9fe;color:#5b21b6}
.btn{display:inline-block;padding:9px 16px;border-radius:9px;border:1px solid var(--brand);background:var(--brand);color:#fff;font-weight:500;cursor:pointer;font-size:14px;line-height:1.2;text-decoration:none}
.btn:hover{background:var(--brand-dark);text-decoration:none}.btn.secondary{background:#fff;color:var(--text);border-color:var(--line)}.btn.secondary:hover{background:#f3f4f6}
.btn.danger{background:var(--danger);border-color:var(--danger)}.btn.danger:hover{background:#b91c1c}.btn.sm{padding:6px 11px;font-size:13px}.btn:disabled{opacity:.5;cursor:default}
form.inline{display:inline}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;padding:9px 11px;border:1px solid #d1d5db;border-radius:8px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(22,163,74,.35);border-color:var(--brand)}
.field{margin-bottom:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1;min-width:160px}
.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;border:1px solid}.alert.ok{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.alert.error{background:#fef2f2;border-color:#fecaca;color:#991b1b}.alert.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.alert.warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
.qr{width:260px;height:260px;background:#fff;border:1px solid var(--line);border-radius:10px;display:block}
.auth{max-width:420px;margin:60px auto}.auth .card{padding:26px}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;font-size:14px}.kv dt{color:var(--muted)}.kv dd{margin:0;word-break:break-all}
.impersonate{background:#7c2d12;color:#fff;padding:8px 16px;font-size:13px;display:flex;justify-content:space-between;align-items:center}.impersonate a,.impersonate button{color:#fff}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}.tabs a{padding:6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line);color:var(--text);font-size:13px}.tabs a.active{background:var(--text);color:#fff;border-color:var(--text)}
.code-inline{display:flex;gap:8px;align-items:center}.code-inline code{flex:1;overflow:auto;white-space:nowrap;padding:8px 10px}
.steps{counter-reset:s;padding-left:0;list-style:none}.steps li{position:relative;padding-left:38px;margin-bottom:10px}.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;text-align:center;font-size:13px;line-height:26px;font-weight:600}
@media (max-width:900px){.shell{grid-template-columns:1fr}.side{flex-direction:row;flex-wrap:wrap;align-items:center;padding:10px}.side .logo{padding:6px 10px}.side a.item{padding:7px 10px;font-size:13px}.side .sep,.side .who{display:none}.main{padding:18px 16px}.hero h1{font-size:30px}}