:root{
  --accent:#16a34a; --accent-dark:#0f7a37; --bg:#0b1220; --bg2:#101a2c;
  --text:#e6edf5; --muted:#94a3b8; --card:#111c30; --border:#1f2c44;
}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:inherit;}
.container{max-width:1080px;margin:0 auto;padding:0 20px;}
header.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;}
.logo{font-weight:800;font-size:20px;display:flex;align-items:center;gap:8px;}
.logo .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);}
nav a{margin-left:22px;color:var(--muted);text-decoration:none;font-size:14px;}
nav a:hover{color:var(--text);}
.btn{display:inline-block;padding:11px 20px;border-radius:8px;font-weight:600;font-size:14px;text-decoration:none;border:none;cursor:pointer;}
.btn-primary{background:var(--accent);color:#04140a;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border);}
.hero{padding:70px 0 50px;text-align:center;}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 18px;}
.hero h1 span{color:var(--accent);}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:0 auto 30px;}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.badge{display:inline-block;background:var(--card);border:1px solid var(--border);color:var(--muted);font-size:13px;padding:6px 14px;border-radius:20px;margin-bottom:22px;}
section{padding:50px 0;}
h2{font-size:28px;text-align:center;margin-bottom:8px;}
.subtitle{text-align:center;color:var(--muted);margin-bottom:40px;}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:800px){.grid3{grid-template-columns:1fr;} .hero h1{font-size:30px;}}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:26px;}
.card h3{margin:0 0 10px;font-size:17px;}
.card p{color:var(--muted);font-size:14px;line-height:1.6;margin:0;}
.icon{font-size:26px;margin-bottom:12px;}
.pricing-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:700px;margin:0 auto;}
@media(max-width:700px){.pricing-grid{grid-template-columns:1fr;}}
.price{font-size:34px;font-weight:800;margin:10px 0;}
.price small{font-size:14px;color:var(--muted);font-weight:400;}
.plan-list{list-style:none;padding:0;margin:16px 0;color:var(--muted);font-size:14px;line-height:2;}
.plan-list li:before{content:"✓ ";color:var(--accent);}
footer{border-top:1px solid var(--border);padding:30px 0;text-align:center;color:var(--muted);font-size:13px;}

.form-card{max-width:440px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:32px;}
.form-card h2{text-align:left;font-size:22px;margin-bottom:6px;}
.form-card .subtitle{text-align:left;margin-bottom:24px;}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px;}
input,textarea{width:100%;background:#0c1626;border:1px solid var(--border);color:var(--text);border-radius:8px;padding:11px 12px;font-size:14px;font-family:inherit;}
textarea{resize:vertical;min-height:90px;}
.error-msg{color:#f87171;font-size:13px;margin-top:10px;display:none;}
.full{width:100%;}
.center{text-align:center;}
.small-link{font-size:13px;color:var(--muted);text-align:center;margin-top:16px;}
.small-link a{color:var(--accent);text-decoration:none;}

/* dashboard */
.dash{display:flex;min-height:100vh;}
.sidebar{width:230px;background:var(--card);border-right:1px solid var(--border);padding:20px 14px;flex-shrink:0;}
.sidebar .logo{margin-bottom:26px;padding:0 8px;}
.sidebar button.tab{display:block;width:100%;text-align:left;background:none;border:none;color:var(--muted);padding:10px 12px;border-radius:8px;font-size:14px;cursor:pointer;margin-bottom:4px;}
.sidebar button.tab.active{background:rgba(22,163,74,.15);color:var(--accent);font-weight:600;}
.main{flex:1;padding:30px 36px;max-width:900px;}
.main h1{font-size:22px;margin:0 0 22px;}
.tabpanel{display:none;}
.tabpanel.active{display:block;}
table{width:100%;border-collapse:collapse;font-size:13.5px;}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;}
.pill{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;background:rgba(22,163,74,.15);color:var(--accent);}
.embed-box{background:#0c1626;border:1px solid var(--border);border-radius:10px;padding:16px;font-family:monospace;font-size:12.5px;overflow-x:auto;white-space:pre;color:#a3e635;}
.kitem{background:#0c1626;border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:10px;}
.kitem .row{display:flex;justify-content:space-between;gap:10px;margin-bottom:8px;}
.kitem input{margin-bottom:8px;}
.kitem .del{background:none;border:none;color:#f87171;cursor:pointer;font-size:13px;}
.savebar{display:flex;gap:10px;align-items:center;margin-top:16px;}
.saved-msg{color:var(--accent);font-size:13px;display:none;}
.qr-box{text-align:center;padding:20px;background:#0c1626;border-radius:10px;border:1px solid var(--border);}
.qr-box img{width:220px;height:220px;background:#fff;padding:10px;border-radius:8px;}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;}
.status-dot.on{background:var(--accent);}
.status-dot.off{background:#6b7280;}