/* Styles extracted from vat_calculator.html (ep- prefixed) */
:root{
  --ep-bg: #f4f6fb;
  --ep-surface: #ffffff;
  --ep-primary: #22294a;
  --ep-accent: #f4c22b;
  --ep-muted: #6b7280;
  --ep-radius:12px;
  --ep-shadow: 0 8px 24px rgba(16,24,40,0.08);
  font-family: "Inter", UI-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
html,body{height:100%;}
body{margin:0;background:var(--ep-bg);color:#0f172a;padding:28px;font-size:14px;-webkit-font-smoothing:antialiased}
.ep-container{max-width:1100px;margin:0 auto;display:flex;gap:20px;align-items:stretch}
.ep-card{flex:1;background:var(--ep-surface);border-radius:var(--ep-radius);box-shadow:var(--ep-shadow);overflow:hidden;display:flex;flex-direction:column}
.ep-header{background:#0C0F66;color:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between}
.ep-header h2{margin:0;font-size:15px}
.ep-content{padding:22px}
.ep-title{margin:0 0 6px;font-weight:700;font-size:18px}
.ep-sub{margin:0 0 18px;color:#0f172a}
.ep-row{display:flex;gap:14px;align-items:center}
.ep-col{flex:1}
.ep-field{margin-bottom:12px}
.ep-field label{display:block;margin-bottom:6px;color:var(--ep-muted);font-size:13px}
.ep-input{width:100%;padding:10px 12px;border:1px solid #eef2f9;border-radius:8px;background:#fbfdff}
.ep-actions{display:flex;gap:12px;align-items:center;margin-top:8px}
.ep-btn{background:#cc3300;color:#ffffff;border:none;padding:12px 18px;border-radius:8px;font-weight:700;cursor:pointer}
.ep-btn.secondary{background:transparent;color:var(--ep-primary);border:1px solid rgba(17,24,39,0.06)}
.ep-summary{width:320px;display:flex;flex-direction:column;align-self:stretch}
.ep-summary .ep-box{background:var(--ep-surface);border-radius:var(--ep-radius);box-shadow:var(--ep-shadow);overflow:hidden;flex:1;display:flex;flex-direction:column}
.ep-summary .ep-box-header{background:#0C0F66;color:#fff;padding:14px 16px;font-weight:700}
.ep-summary .ep-box-body{padding:16px}
.ep-summary .ep-line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #f2f4f9}
.ep-summary .ep-total{display:flex;justify-content:space-between;padding:14px 0;font-weight:800}
.ep-result-value{font-size:18px;font-weight:800}
.ep-hint{font-size:12px;color:var(--ep-muted);margin-top:6px}
.ep-hint-note{margin-top:4px;margin-bottom:4px}
.ep-result-label{display:block;margin-bottom:6px;color:var(--ep-primary);font-size:15px;font-weight:600}
.ep-result-box{width:100%;padding:10px 12px;border:1px solid #eef2f9;border-radius:8px;background:#fbfdff;min-height:44px;display:flex;align-items:center}
@media (max-width:960px){.ep-container{flex-direction:column}.ep-summary{width:100%}}