.gzcalc{box-sizing:border-box;max-width:860px;margin:24px auto;padding:24px;border:1px solid #dbe4f0;border-radius:20px;background:#fff;color:#1e293b;font-family:Pretendard,-apple-system,BlinkMacSystemFont,"Noto Sans KR",sans-serif;box-shadow:0 10px 30px rgba(15,23,42,.06)}
.gzcalc *{box-sizing:border-box}
.gzcalc__header{display:flex;flex-direction:column;gap:5px;margin-bottom:18px}
.gzcalc__eyebrow{font-size:13px;font-weight:800;color:#2563eb;letter-spacing:.04em}
.gzcalc__title{font-size:25px;line-height:1.35;font-weight:800;color:#0f172a}
.gzcalc__fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.gzcalc__field{min-width:0}
.gzcalc__label{display:block;margin:0 0 7px;font-size:14px;font-weight:700;color:#334155}
.gzcalc__input{display:block;width:100%;min-height:46px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;color:#0f172a;font:inherit;line-height:1.4;transition:border-color .15s,box-shadow .15s}
.gzcalc textarea.gzcalc__input{min-height:110px;resize:vertical}
.gzcalc__input:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.gzcalc__help{margin-top:5px;font-size:12px;color:#64748b}
.gzcalc__actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.gzcalc__button{appearance:none;border:0;border-radius:11px;min-height:44px;padding:10px 18px;font:inherit;font-weight:800;cursor:pointer}
.gzcalc__button--primary{background:#2563eb;color:#fff}
.gzcalc__button--secondary{background:#f1f5f9;color:#334155}
.gzcalc__results{margin-top:18px}
.gzcalc__result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.gzcalc__result-card{padding:15px;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc}
.gzcalc__result-card--primary{border-color:#bfdbfe;background:#eff6ff}
.gzcalc__result-label{font-size:12px;font-weight:700;color:#64748b;margin-bottom:5px}
.gzcalc__result-value{font-size:20px;line-height:1.35;font-weight:850;color:#0f172a;word-break:break-word}
.gzcalc__note,.gzcalc__warning,.gzcalc__error{margin:14px 0 0;padding:12px 14px;border-radius:12px;font-size:13px;line-height:1.65}
.gzcalc__note{background:#ecfdf5;border:1px solid #bbf7d0;color:#166534}
.gzcalc__warning{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}
.gzcalc__error{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c}
.gzcalc--error{border-color:#fecaca;background:#fef2f2;color:#991b1b}
@media(max-width:680px){.gzcalc{padding:18px 14px;border-radius:16px;margin:18px 0}.gzcalc__title{font-size:21px}.gzcalc__fields,.gzcalc__result-grid{grid-template-columns:1fr}.gzcalc__button{flex:1 1 auto}.gzcalc__result-value{font-size:18px}}