:root{--bg:#0b0f14;--panel:#131922;--border:#222c3a;--fg:#e6edf3;--muted:#8b98a8;
  --accent:#4da3ff;--accent2:#7c5cff;--good:#3fb950;--bad:#f85149;--warn:#d29922;}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
nav{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border);
  background:rgba(19,25,34,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}
nav .brand{font-weight:800;font-size:18px;letter-spacing:.2px}
nav .brand b{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
nav .links{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
nav a{color:var(--fg);padding:8px 12px;border-radius:8px;font-weight:500}
nav a:hover{background:var(--panel);text-decoration:none}
nav a.active{color:var(--accent)}
.wrap{max-width:1000px;margin:0 auto;padding:32px 24px}
.btn{display:inline-block;padding:10px 18px;border-radius:10px;border:1px solid var(--border);
  background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff;font-weight:600;cursor:pointer}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--fg)}
.btn.danger{background:var(--bad);border-color:transparent}
.btn.sm{padding:6px 12px;font-size:13px}
.hero{text-align:center;padding:80px 24px 40px}
.hero h1{font-size:44px;margin:0 0 12px;letter-spacing:-.5px}
.hero p{font-size:19px;color:var(--muted);max-width:620px;margin:0 auto 28px}
.grid{display:grid;gap:18px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:760px){.cols-3,.cols-2{grid-template-columns:1fr}.hero h1{font-size:32px}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:22px}
.card h3{margin:0 0 8px}
.feat{font-size:26px}
.price{font-size:40px;font-weight:800;margin:6px 0}
.price small{font-size:15px;color:var(--muted);font-weight:500}
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
tr:last-child td{border-bottom:none}
.badge{padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.active{background:rgba(63,185,80,.15);color:var(--good)}
.badge.revoked,.badge.suspended{background:rgba(248,81,73,.15);color:var(--bad)}
.badge.expired{background:rgba(210,153,34,.15);color:var(--warn)}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}
.dot.on{background:var(--good)}.dot.off{background:var(--muted)}
form.auth{max-width:380px;margin:40px auto;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:30px}
label{display:block;margin-bottom:16px;color:var(--muted);font-size:13px}
input,select{width:100%;padding:11px 13px;margin-top:5px;background:#0b0f14;border:1px solid var(--border);border-radius:9px;color:var(--fg);font-size:15px}
.err{background:rgba(248,81,73,.12);color:#ff9b95;padding:10px 14px;border-radius:9px;margin-bottom:16px;font-size:14px}
.ok{background:rgba(63,185,80,.12);color:#7ee2a0;padding:10px 14px;border-radius:9px;margin-bottom:16px;font-size:14px}
h1{font-size:26px}h2{font-size:18px;color:var(--fg);margin-top:34px}
.muted{color:var(--muted)}
.keybox{font-size:18px;padding:12px 14px;background:#0b0f14;border:1px dashed var(--accent);border-radius:10px;letter-spacing:1px}
footer{border-top:1px solid var(--border);color:var(--muted);padding:26px;text-align:center;font-size:13px;margin-top:50px}
footer a{color:var(--muted)}
.inline{display:flex;gap:10px;align-items:flex-end}
.inline > *{margin-bottom:0}