/* WEBC calculator modal style - sensible load aligned to other calculators */
:root{--navy:#0D1B2A;--steel:#1B3A5C;--red:#C0392B;--red-light:#E74C3C;--white:#FFFFFF;--off-white:#F4F6F9;--text:#1A1A2E;--muted:#5A6A7A;--border:#CBD5E1;--green:#1E8449;--shadow:0 8px 28px rgba(13,27,42,.14);--radius:14px;--radius-sm:6px;}
*{box-sizing:border-box}body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--off-white);color:var(--text);line-height:1.45}.modal-embed{background:transparent}.container{max-width:925px;margin:0 auto;padding:0 22px}.hero{background:linear-gradient(135deg,var(--navy),#1B3A5C);color:#fff;padding:18px 0 20px}.hero h1{margin:0 0 3px;font-size:25px;line-height:1.15;font-weight:900;letter-spacing:-.01em}.hero p{margin:0;color:rgba(255,255,255,.92);font-size:12px;line-height:1.45}.section{padding:7px 0 0}.card{background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:21px 20px 16px}.tool-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(432px,1.08fr);gap:16px 28px;align-items:start}.right-stack{min-width:0}.input-wrap{margin-bottom:12px}.input-wrap label{display:block;margin:0 0 5px;color:#0D1B2A;font-size:12px;font-weight:900;letter-spacing:.025em;text-transform:uppercase}.units{font-weight:700;color:var(--steel);text-transform:none;letter-spacing:0;margin-left:4px}input{width:100%;height:42px;border:1px solid var(--border);border-radius:6px;padding:8px 13px;font:inherit;font-size:16px;color:#111827;background:#fff;outline:none}input:focus{border-color:var(--steel);box-shadow:0 0 0 3px rgba(27,58,92,.12)}input.invalid{border-color:var(--red);box-shadow:0 0 0 3px rgba(192,57,43,.10)}.results{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px;margin:0 0 10px}.result{background:#F5F7FA;border:1px solid var(--border);border-left:4px solid var(--red);border-radius:8px;padding:10px 12px;min-height:64px}.result .k{color:#607084;font-size:10px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:4px}.result .v{color:var(--navy);font-size:19px;font-weight:900;line-height:1.15}.status{margin:0 0 10px;padding:10px 12px;border-radius:6px;font-weight:900;color:#14532D;background:#EAF7EE;border:1px solid #BDE5C8}.status.bad{color:#7F1D1D;background:#FDECEC;border-color:#F5B6B6}.export-actions{display:flex;align-items:center;gap:12px;flex-wrap:nowrap;margin:0 0 9px}.export-btn{border:0;border-radius:7px;background:var(--red);color:#fff;font-weight:900;font-size:13px;padding:10px 13px;box-shadow:0 6px 14px rgba(13,27,42,.16);white-space:nowrap;cursor:pointer}.export-btn:hover{background:var(--red-light)}.export-btn.secondary{background:var(--steel)}.export-btn.secondary:hover{background:#244D78}.export-status{min-height:16px;color:var(--green);font-size:12px;font-weight:800}.note{margin:7px 0 0;color:#53657A;font-size:13px;line-height:1.42}.note strong{color:#0D1B2A}.note a{color:var(--red);font-weight:900}.footer{text-align:center;color:#7A8796;font-size:11px;padding:4px 0 0}

/* Restored original internal/reference formula card style */
.formula-panel{display:none;position:fixed;right:18px;bottom:14px;width:min(480px,calc(100vw - 36px));z-index:20;background:#FFF7E6;border:1px solid #F2B84B;border-left:4px solid #D89B00;border-radius:10px;box-shadow:0 10px 28px rgba(13,27,42,.18);padding:16px 18px;color:#5C3A00}.formula-panel.show{display:block}.formula-panel h3{margin:0 0 12px;color:#4A2F00;font-size:15px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.formula-panel p{margin:8px 0;color:#5C3A00;font-size:13px;line-height:1.45}.formula-panel strong{color:#3B2600}.formula-panel code{background:#fff;border:1px solid #F2B84B;border-radius:4px;padding:2px 5px;color:#111827;font-family:Consolas,'Courier New',monospace;font-size:12px;white-space:nowrap}

@media(max-width:760px){.container{padding:0 12px}.hero{padding:16px 0}.hero h1{font-size:22px}.card{padding:16px}.tool-grid{grid-template-columns:1fr;gap:12px}.results{grid-template-columns:1fr}.export-actions{flex-wrap:wrap}.export-btn{width:100%}.footer{padding:8px 10px}.formula-panel{left:12px;right:12px;bottom:12px;width:auto}}