:root{--bg:#0b1220;--bg-elevated:#121a2b;--bg-card:#162033;--border:#243049;--text:#e8eefc;--muted:#93a0b8;--primary:#3b82f6;--primary-hover:#2563eb;--success:#22c55e;--danger:#ef4444;--warning:#f59e0b;--radius:12px;--shadow:0 8px 30px rgba(0,0,0,.25);font-family:Segoe UI,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(1200px 600px at 10% -10%,#1a2a4a 0,transparent 50%),radial-gradient(900px 500px at 100% 0,#13233f 0,transparent 45%),var(--bg);color:var(--text);min-height:100%}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1100px,92vw);margin:0 auto;padding:1.5rem 0 3rem}.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--border);margin-bottom:1.5rem}.brand{font-weight:700;letter-spacing:.02em;font-size:1.15rem}.brand span{color:var(--primary)}.nav-links{display:flex;gap:.75rem;align-items:center;flex-wrap:wrap}.card{background:linear-gradient(180deg,hsla(0,0%,100%,.02),transparent),var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow)}.grid{display:grid;grid-gap:1rem;gap:1rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;border:1px solid transparent;border-radius:10px;padding:.55rem .95rem;background:var(--primary);color:#fff;cursor:pointer;transition:.15s ease}.btn:hover{background:var(--primary-hover)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:transparent;border-color:var(--border);color:var(--text)}.btn-secondary:hover{border-color:var(--primary);background:rgba(59,130,246,.08)}.btn-danger{background:transparent;border-color:rgba(239,68,68,.5);color:#fca5a5}.btn-danger:hover{background:rgba(239,68,68,.12)}.form{display:grid;grid-gap:.9rem;gap:.9rem}.field{display:grid;grid-gap:.35rem;gap:.35rem}.field label{color:var(--muted);font-size:.9rem}.field input,.field select,.field textarea{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:.65rem .75rem}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(59,130,246,.35);border-color:var(--primary)}.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}.muted{color:var(--muted)}.error{color:#fecaca;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);border-radius:10px}.error,.success{padding:.75rem 1rem}.success{color:#bbf7d0;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.35);border-radius:10px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:.15rem .55rem;font-size:.78rem;border:1px solid var(--border);color:var(--muted)}.badge.active{color:#bbf7d0;border-color:rgba(34,197,94,.4);background:rgba(34,197,94,.1)}.badge.paused{color:#fde68a;border-color:rgba(245,158,11,.4);background:rgba(245,158,11,.1)}.page-title{margin:0 0 .35rem;font-size:1.6rem}.page-sub{margin:0 0 1.25rem;color:var(--muted)}.alert-card h3{margin:0 0 .4rem;font-size:1.15rem}.alert-meta{display:grid;grid-gap:.25rem;gap:.25rem;color:var(--muted);font-size:.92rem;margin-bottom:.9rem}.price{font-size:1.35rem;font-weight:700}.checkbox-row{display:flex;gap:1rem;flex-wrap:wrap}.checkbox-row label{display:flex;gap:.4rem;align-items:center;color:var(--text)}.auth-wrap{max-width:420px;margin:3rem auto}.chart-wrap{width:100%;height:320px;margin-top:.5rem}.table{width:100%;border-collapse:collapse;font-size:.9rem}.table td,.table th{text-align:left;padding:.55rem .4rem;border-bottom:1px solid var(--border)}.table th{color:var(--muted);font-weight:600}