.es-calculator{max-width:720px;margin:32px auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;-webkit-font-smoothing:antialiased}
.es-calculator *,.es-calculator *::before,.es-calculator *::after{box-sizing:border-box}
.es-calculator__header{background:linear-gradient(135deg,var(--es-primary,#0d47a1) 0%,var(--es-primary-light,#1565c0) 100%);padding:28px 32px 24px;color:#fff;border-radius:16px 16px 0 0}
.es-calculator__title{font-size:22px;font-weight:700;margin:0 0 6px}
.es-calculator__subtitle{font-size:14px;opacity:.85;margin:0}
.es-calculator__body{background:#fff;border:1px solid var(--es-card-border,#e2e8f0);border-top:none;border-radius:0 0 16px 16px;padding:28px 32px}
.es-calculator__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.es-calculator__field{display:flex;flex-direction:column;gap:4px}
.es-calculator__field--full{grid-column:1/-1}
.es-calculator__label{font-size:13px;font-weight:600;color:var(--es-text-secondary,#64748b);text-transform:uppercase;letter-spacing:.03em}
.es-calculator__hint{font-size:12px;color:var(--es-text-muted,#666);margin-top:2px}
.es-calculator__input{width:100%;padding:10px 12px;border:1px solid var(--es-card-border,#e2e8f0);border-radius:8px;font-size:15px;color:var(--es-text,#1a1a1a);transition:border-color .15s ease,box-shadow .15s ease;background:var(--es-surface-light,#f9fafb)}
.es-calculator__input:focus{outline:none;border-color:var(--es-primary,#0d47a1);box-shadow:0 0 0 3px var(--es-focus-ring,rgba(13,71,161,.25))}
.es-calculator__btn{grid-column:1/-1;padding:14px 24px;background:var(--es-primary,#0d47a1);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:background .15s ease,transform .1s ease;margin-top:8px}
.es-calculator__btn:hover{background:var(--es-primary-light,#1565c0)}
.es-calculator__btn:active{transform:scale(.98)}
.es-calculator__results{margin-top:24px;display:none;max-width:100%;overflow-x:auto}
.es-calculator__results.is-visible{display:block}
.es-calculator__results-title{font-size:17px;font-weight:700;color:var(--es-text,#1a1a1a);margin:0 0 12px}
.es-calculator__table{width:100%;border-collapse:collapse;font-size:14px}
.es-calculator__table thead th{background:var(--es-card-bg,#f8fafc);border:1px solid var(--es-card-border,#e2e8f0);padding:10px 12px;text-align:left;font-weight:700;font-size:13px;color:var(--es-text-secondary,#64748b);text-transform:uppercase;letter-spacing:.03em}
.es-calculator__table tbody td{border:1px solid var(--es-card-border,#e2e8f0);padding:10px 12px;color:var(--es-table-cell,#475569)}
.es-calculator__table tbody td:first-child{font-weight:600;color:var(--es-text,#1a1a1a)}
.es-calculator__table tbody td.cost-cell{font-weight:700;font-size:16px}
.es-calculator__table tbody tr.row-cheapest td{background:#f0fdf4;color:#15803d}
.es-calculator__table tbody tr.row-cheapest td.cost-cell{color:#15803d}
.es-calculator__table tbody tr.row-expensive td{background:#fef2f2;color:#b91c1c}
.es-calculator__table tbody tr.row-expensive td.cost-cell{color:#b91c1c}
.es-calculator__savings{margin-top:16px;padding:16px;background:#f0fdf4;border:1px solid #dcfce7;border-radius:10px}
.es-calculator__savings-title{font-size:14px;font-weight:700;color:#15803d;margin:0 0 6px}
.es-calculator__savings-text{font-size:15px;color:#166534;margin:0}
.es-calculator__source{margin-top:12px;font-size:12px;color:var(--es-text-muted,#666)}
@media(max-width:600px){
.es-calculator__header{padding:20px 16px 18px}
.es-calculator__body{padding:20px 16px}
.es-calculator__grid{grid-template-columns:1fr;gap:12px}
.es-calculator__table{font-size:13px}
.es-calculator__table thead th,.es-calculator__table tbody td{padding:8px 10px}
}