:root{--cbg:#f8f9fc;--ccard:#ffffff;--cmuted:#6c757d;--ctext:#212529;--caccent:#0066ff;--caccent-2:#28a745;--cdanger:#dc3545;--cshadow:0 8px  30px  rgba(0,0,0,0.08);--cradius:16px;--cinput-bg:#ffffff;--cinput-border:rgba(0,0,0,0.1);--cplaceholder-color:#adb5bd;--cbtn-secondary-bg:#e9ecef;--cbtn-secondary-color:#495057;--cbtn-secondary-border:rgba(0,0,0,0.08);--ccard-gradient:linear-gradient(160deg,rgba(255,255,255,0.9),rgba(250,250,250,0.8));--metric-bg:#ffffff;}[data-bs-theme="dark"]{--cbg:#0b1020;--ccard:#111833;--cmuted:#9aa3b2;--ctext:#eef1f6;--caccent:#6ea8fe;--caccent-2:#71d4a5;--cdanger:#ff6b6b;--cshadow:0 8px  30px  rgba(0,0,0,0.35);--cinput-bg:#0f1530;--cinput-border:rgba(255,255,255,0.1);--cplaceholder-color:#7e8798;--cbtn-secondary-bg:#1d2a56;--cbtn-secondary-color:unset;--cbtn-secondary-border:rgba(255,255,255,0.08);--ccard-gradient:linear-gradient(160deg,rgba(255,255,255,0.06),rgba(255,255,255,0.02));--metric-bg:#0e1533;}/* === Global Styles === */*{box-sizing:border-box;}#calc{max-width:98%;margin:auto;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px  600px  at 10% -10%,#e0ebff 0%,transparent 60%),radial-gradient(1000px  500px  at 110% 10%,#d4f5e3 0%,transparent 60%),var(--cbg);color:var(--ctext);border:1px  solid rgba(0,0,0,0.06);border-radius:var(--cradius);}#calc .container{max-width:98%;margin:32px  auto;padding:0 16px;}#calc .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;}@media (max-width:980px ){#calc .grid{grid-template-columns:1fr;}}#calc .card{background:var(--ccard-gradient);border:1px  solid rgba(0,0,0,0.06);border-radius:var(--cradius);color:unset;padding:18px;box-shadow:var(--cshadow);backdrop-filter:blur(6px );}#calc h1{font-size:28px;margin:0 0 12px;letter-spacing:0.3px;}#calc p.sub{color:var(--cmuted);margin-top:6px;}#calc .row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}@media (max-width:640px ){#calc .row{grid-template-columns:1fr;}}#calc label{font-size:13px;color:var(--cmuted);display:block;margin:6px  0;}#calc input,#calc select{width:100%;padding:12px  12px;border-radius:12px;border:1px  solid var(--cinput-border);outline:none;background:var(--cinput-bg);color:var(--ctext);box-shadow:inset 0 0 0 1 rgba(0,0,0,0.02);}#calc input::placeholder{color:var(--cplaceholder-color);}#calc .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(180deg,#4f8bff,#386bff);color:#fff;border:none;border-radius:12px;padding:12px  16px;font-weight:600;cursor:pointer;box-shadow:0 10px  24px  rgba(80,130,255,0.35);}#calc .btn.secondary{background:var(--cbtn-secondary-bg);color:var(--cbtn-secondary-color);box-shadow:none;border:1px  solid var(--cbtn-secondary-border);}#calc .btn:active{transform:translateY(1px );}#calc .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px;}@media (max-width:720px ){#calc .stats{grid-template-columns:1fr;}}#calc .metric{padding:14px;border-radius:14px;background:var(--metric-bg);border:1px  solid rgba(0,0,0,0.06);}#calc .metric .label{color:var(--cmuted);font-size:12px;}#calc .metric .value{font-size:22px;font-weight:700;margin-top:4px;}#calc .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}#calc table{width:100%;border-collapse:collapse;font-size:13px;}#calc thead th{text-align:left;color:var(--cmuted);font-weight:600;border-bottom:1px  solid rgba(0,0,0,0.08);padding:8px;}#calc tbody td{border-bottom:1px  dashed rgba(0,0,0,0.06);padding:8px;}#calc .note{color:var(--cmuted);font-size:12px;margin-top:4px;}#calc .pill{font-size:11px;padding:4px  8px;border-radius:999px;background:rgba(0,0,0,0.06);color:var(--cmuted);}