:root{--ink:#2C2C2C;--teal:#7DC4B8;--teal-d:#4A7C6F;--line:#e3e3e3;--bg:#eef0f0;--err:#a33;}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}
.topbar{background:#2C2C2C;color:#fff;display:flex;justify-content:space-between;align-items:center;padding:14px 22px}
.brand{font-weight:900;letter-spacing:2px}.brand span{color:var(--teal)}
.who{font-size:13px;color:#cfcfcf}.role{color:var(--teal);text-transform:uppercase;font-weight:700;font-size:11px}
.link{background:none;border:none;color:#cfcfcf;text-decoration:underline;cursor:pointer;margin-left:10px}
main{padding:24px;max-width:1080px;margin:0 auto}
.layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
@media(max-width:840px){.layout{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.narrow{max-width:380px;margin:60px auto}
h1{font-size:20px;margin-bottom:6px}h2{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--teal-d);margin:18px 0 10px}
h2:first-of-type{margin-top:0}h3{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:#888;margin:16px 0 8px}
.muted{color:#999;font-weight:400;font-size:12px}.err{color:var(--err);font-size:13px;margin-top:10px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
label{display:flex;flex-direction:column;font-size:12px;color:#666;gap:4px}
label.inline{flex-direction:row;align-items:center;gap:8px}
input{font-size:14px;padding:8px 10px;border:1px solid #ccc;border-radius:6px;color:var(--ink)}
input[type=number]{width:100%}
.firewalls{display:flex;flex-direction:column;gap:8px}
select{font-size:14px;padding:8px 10px;border:1px solid #ccc;border-radius:6px}
button.primary{margin-top:18px;background:var(--teal-d);color:#fff;border:none;padding:11px 18px;border-radius:7px;font-weight:700;cursor:pointer;font-size:14px}
button.primary:hover{background:#3c685c}
.totals{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px}
.totals .t{background:#F0F7F4;border:1px solid #d6e8e1;border-radius:8px;padding:10px 14px;min-width:120px}
.totals .t b{display:block;font-size:20px;color:var(--teal-d)}.totals .t span{font-size:11px;color:#777;text-transform:uppercase;letter-spacing:.5px}
table.lines{width:100%;border-collapse:collapse;font-size:13px}
table.lines th,table.lines td{text-align:left;padding:6px 8px;border-bottom:1px solid #eee}
table.lines .r,td.r{text-align:right}
.overage{display:flex;flex-wrap:wrap;gap:6px;font-size:12px}
.overage span{background:#f4f4f4;border-radius:5px;padding:4px 8px}
.admin{margin-top:16px;background:#FFFBEF;border:1px solid #efe2bd;border-radius:8px;padding:12px;font-size:12px}
.admin h3{margin-top:0;color:#977b1e}