.pch-calculator{border:1px solid #dbe5f0;border-radius:20px;padding:30px;background:#fff;box-shadow:0 16px 45px rgba(17,39,71,.08)}.pch-calculator>h2{font-size:1.45rem;margin:0 0 22px;color:#10233f}.pch-calc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.pch-field{position:relative}.pch-field label{display:flex;align-items:center;gap:7px;font-weight:750;margin-bottom:7px;color:#1a2d48;font-size:.94rem}.pch-field small{display:block;color:#64748b;margin-top:6px;font-size:.82rem;line-height:1.45}.pch-field input,.pch-field select{width:100%;min-height:48px;border:1px solid #c8d5e3;border-radius:10px;padding:10px 13px;background:#fbfdff;color:#10233f;font:inherit;transition:border-color .18s,box-shadow .18s,background .18s}.pch-field input:hover,.pch-field select:hover{border-color:#8da8c3}.pch-field input:focus,.pch-field select:focus{outline:none;border-color:#1769e0;box-shadow:0 0 0 4px rgba(23,105,224,.12);background:#fff}.pch-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.pch-btn{min-height:46px;padding:10px 19px;border-radius:10px;border:1px solid #1769e0;background:#1769e0;color:#fff;font-weight:750;cursor:pointer;transition:transform .16s,box-shadow .16s,background .16s}.pch-btn:hover{background:#1058bf;box-shadow:0 8px 18px rgba(23,105,224,.2);transform:translateY(-1px)}.pch-btn:focus-visible{outline:3px solid rgba(23,105,224,.28);outline-offset:2px}.pch-btn-secondary{background:#fff;color:#233957;border-color:#c8d5e3}.pch-btn-secondary:hover{background:#f5f8fc;color:#10233f;box-shadow:none}.pch-errors{margin-top:16px;font-weight:700;color:#b42318;background:#fff5f4;border-radius:10px;padding:0}.pch-errors:not(:empty){padding:12px 14px;border:1px solid #fecdca}.pch-results{margin-top:22px;min-height:76px}.pch-results:not(:empty){background:linear-gradient(135deg,#eef7ff,#f7fbff);border:1px solid #bfdbfe;border-radius:16px;padding:8px 20px 16px}.pch-result-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid #d8e9f9;color:#425974}.pch-result-row:first-child{padding-top:16px}.pch-result-row:first-child strong{font-size:1.55rem;color:#0b62d4}.pch-result-row strong{color:#10233f;text-align:right}.pch-results p{margin:14px 0 0;color:#415a77;font-size:.93rem}.pch-results[aria-busy=true]{opacity:.6}.field-help-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:#edf3fa;color:#4b6582;font-size:.72rem;font-weight:800;cursor:help}@media(max-width:680px){.pch-calc-grid{grid-template-columns:1fr}.pch-calculator{padding:20px;border-radius:16px}.pch-actions{display:grid;grid-template-columns:1fr 1fr}.pch-actions .pch-btn:first-child{grid-column:1/-1}.pch-btn{width:100%}}.pch-copy-toast{position:fixed;left:50%;bottom:28px;z-index:99999;transform:translate(-50%,16px);background:#10233f;color:#fff;border-radius:999px;padding:10px 16px;font-size:.9rem;font-weight:750;line-height:1.2;box-shadow:0 12px 30px rgba(15,35,63,.24);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}.pch-copy-toast--show{opacity:1;visibility:visible;transform:translate(-50%,0)}@media(max-width:680px){.pch-copy-toast{bottom:18px;max-width:calc(100vw - 32px);text-align:center}}