*{box-sizing:border-box}
:root{--primary:#4c51bf;--bg:#f5f6fa;--text:#1f2430;--muted:#6b7280;--border:#e2e5ee}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--primary)}
.container{max-width:1000px;margin:0 auto;padding:16px}
.topbar{background:#fff;border-bottom:1px solid var(--border)}
.bar{display:flex;justify-content:space-between;align-items:center;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;font-size:1.1rem;text-decoration:none;color:var(--primary)}
nav{display:flex;gap:14px;align-items:center}
nav a{text-decoration:none;color:var(--text)}
.inline{display:inline;margin:0}
button.link{background:none;border:0;color:var(--text);cursor:pointer;font:inherit;padding:0}
.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px}
.card.narrow{max-width:420px;margin:24px auto}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.hero{text-align:center;padding:48px 8px}
.hero h1{margin:0 0 8px;font-size:1.8rem}
.form-group{margin-bottom:14px}
label{display:block;font-size:.9rem;margin-bottom:4px;font-weight:600}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}
input:focus{outline:2px solid #c7c9f0;border-color:var(--primary)}
.btn{display:inline-block;background:var(--primary);color:#fff;border:0;border-radius:8px;padding:10px 18px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.small{padding:6px 12px}
.btn.block{display:block;width:100%;text-align:center}
.btn.outline{background:#fff;color:var(--primary);border:1px solid var(--primary)}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:.95rem}
.alert.error{background:#fde8e8;color:#9b1c1c}
.alert.success{background:#e3f8ea;color:#166534}
.alert.info{background:#e8f0fe;color:#1e40af}
.muted{color:var(--muted)}
.center-text{text-align:center}
.footer{color:var(--muted);text-align:center;font-size:.85rem;padding:24px 0}
code{background:#eef0f7;padding:2px 6px;border-radius:4px}
.small-text{font-size:.85rem}
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:700;background:#eef0f7;color:#374151}
.net-mtn{background:#fff3bf;color:#7a5b00}.net-airtel{background:#ffe0e0;color:#a30000}
.net-glo{background:#d7f5dc;color:#116329}.net-9mobile{background:#d9f3d0;color:#245c14}
.b-default{background:#e0e7ff;color:#3730a3}
.st-active{background:#e3f8ea;color:#166534}.st-inactive{background:#f1f5f9;color:#475569}.st-suspended{background:#fde8e8;color:#9b1c1c}
.sim-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.btn.danger{background:#fff;color:#b91c1c;border:1px solid #b91c1c}
details{margin-top:8px}summary{cursor:pointer;color:var(--primary);font-weight:600}
details form{margin-top:12px}
.check{font-weight:400;display:flex;gap:8px;align-items:center;margin-bottom:12px}
.check input{width:auto}
.narrow-left{max-width:480px}
.keybox{border:2px solid var(--primary);background:#f4f5ff}
.keyline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.keyline code{word-break:break-all;flex:1;min-width:200px;padding:8px}
.mt{margin-top:10px}
hr{border:0;border-top:1px solid var(--border);margin:14px 0}
pre.code{background:#1f2430;color:#e5e7eb;padding:12px;border-radius:8px;overflow-x:auto;font-size:.85rem}
.balances{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0 4px}
.balances>div{background:#f8f9fd;border:1px solid var(--border);border-radius:10px;padding:10px 12px}
.bal{font-size:1.25rem;font-weight:700}