:root {
  --bg:#0b1020; --bg2:#11182e; --card:#161f3a; --line:#243156;
  --ink:#e8edff; --muted:#9aa6cf; --brand:#5b8cff; --brand2:#7c5cff;
  --ok:#37d39b; --warn:#ffb454; --bad:#ff6b6b; --radius:14px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:linear-gradient(180deg,var(--bg),var(--bg2));color:var(--ink);line-height:1.55;min-height:100vh}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.container{max-width:1140px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0;gap:18px}
.brand{font-weight:800;font-size:1.3rem;color:var(--ink);letter-spacing:-.02em}
.brand span{color:var(--brand)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--muted);font-weight:500}
.nav-links a:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-block;border:0;cursor:pointer;font-weight:600;font-size:.95rem;
  padding:11px 20px;border-radius:10px;background:var(--brand);color:#fff;transition:.15s}
.btn:hover{filter:brightness(1.1);text-decoration:none}
.btn-grad{background:linear-gradient(135deg,var(--brand),var(--brand2))}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn-danger{background:var(--bad)} .btn-ok{background:var(--ok)}
.btn-sm{padding:7px 13px;font-size:.85rem}
.hero{padding:80px 0 60px;text-align:center}
.hero h1{font-size:3rem;line-height:1.1;margin:0 0 16px;letter-spacing:-.03em}
.hero p{font-size:1.2rem;color:var(--muted);max-width:640px;margin:0 auto 28px}
.grid{display:grid;gap:22px}
.plans{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));margin:40px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.plan-card{position:relative;display:flex;flex-direction:column}
.plan-card.featured{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),0 20px 60px -20px rgba(91,140,255,.5)}
.badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:.72rem;
  font-weight:700;padding:5px 14px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}
.plan-card h3{margin:0 0 6px;font-size:1.4rem}
.plan-card .desc{color:var(--muted);font-size:.92rem;min-height:42px}
.price{font-size:2.4rem;font-weight:800;margin:14px 0 2px}
.price small{font-size:.95rem;color:var(--muted);font-weight:500}
.features{list-style:none;padding:0;margin:18px 0;flex:1}
.features li{padding:7px 0 7px 26px;position:relative;color:var(--muted);font-size:.92rem}
.features li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.section{padding:50px 0}
.section h2{font-size:2rem;margin:0 0 8px;letter-spacing:-.02em}
.muted{color:var(--muted)}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:.92rem}
th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}
.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
.pill-ok{background:rgba(55,211,155,.15);color:var(--ok)}
.pill-warn{background:rgba(255,180,84,.15);color:var(--warn)}
.pill-bad{background:rgba(255,107,107,.15);color:var(--bad)}
.pill-info{background:rgba(91,140,255,.15);color:var(--brand)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.9rem}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:.95rem;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--brand)}
.field .err{color:var(--bad);font-size:.82rem;margin-top:4px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:.92rem}
.alert-ok{background:rgba(55,211,155,.12);border:1px solid rgba(55,211,155,.3);color:var(--ok)}
.alert-err{background:rgba(255,107,107,.12);border:1px solid rgba(255,107,107,.3);color:var(--bad)}
.alert-info{background:rgba(91,140,255,.12);border:1px solid rgba(91,140,255,.3);color:var(--brand)}
.auth-wrap{max-width:420px;margin:60px auto}
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--bg2);border-right:1px solid var(--line);padding:24px 16px;flex-shrink:0}
.sidebar .brand{display:block;margin-bottom:28px;padding:0 8px}
.sidebar nav a{display:block;padding:10px 14px;border-radius:9px;color:var(--muted);font-weight:500;margin-bottom:3px}
.sidebar nav a:hover,.sidebar nav a.active{background:var(--card);color:var(--ink);text-decoration:none}
.main{flex:1;padding:30px 36px;max-width:100%;overflow:auto}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-bottom:28px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.stat .n{font-size:2rem;font-weight:800} .stat .l{color:var(--muted);font-size:.85rem}
.footer{border-top:1px solid var(--line);padding:30px 0;margin-top:60px;color:var(--muted);font-size:.9rem}
.cart-line{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.totals{margin-top:18px} .totals div{display:flex;justify-content:space-between;padding:6px 0}
.totals .grand{font-size:1.3rem;font-weight:800;border-top:1px solid var(--line);padding-top:14px;margin-top:8px}
.toggle{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:3px}
.toggle button{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:8px;cursor:pointer;font-weight:600}
.toggle button.active{background:var(--brand);color:#fff}
@media(max-width:720px){.hero h1{font-size:2.1rem}.layout{flex-direction:column}.sidebar{width:100%}}