.bk-vat {
  --vat-ink: #17243a;
  --vat-muted: #68788f;
  --vat-line: #dfe7f1;
  --vat-soft: #f5f8fc;
  --vat-blue: #1769e0;
  --vat-blue-dark: #1056bf;
  color: var(--vat-ink);
  padding: 8px 0 56px;
}
.bk-vat, .bk-vat * { box-sizing: border-box; }
.bk-vat [hidden] { display: none !important; }
.bk-vat button, .bk-vat input, .bk-vat select { font-family: inherit; }
.bk-vat-back { display: inline-flex; align-items: center; margin: 0 0 18px; padding: 9px 14px; border: 1px solid var(--vat-line); border-radius: 999px; color: var(--vat-ink); background: #fff; font-size: 14px; font-weight: 700; line-height: 1; text-decoration: none; }
.bk-vat-back:hover { border-color: var(--vat-blue); color: var(--vat-blue); }
.bk-vat-hero { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.bk-vat-hero__eyebrow { display: inline-block; margin-bottom: 12px; color: var(--vat-blue); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.bk-vat-hero h1 { margin: 0; color: var(--vat-ink); font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: -.04em; line-height: 1.12; }
.bk-vat-hero p { margin: 14px auto 0; color: var(--vat-muted); font-size: 16px; line-height: 1.65; }
.bk-vat-panel { border: 1px solid var(--vat-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 50px rgba(31, 54, 88, .08); padding: 22px; }
.bk-vat-presets, .bk-vat-rates { display: flex; flex-wrap: wrap; gap: 8px; }
.bk-vat-presets { margin-bottom: 16px; }
.bk-vat-presets button, .bk-vat-rate, .bk-vat-quiet { border: 1px solid var(--vat-line); border-radius: 12px; color: var(--vat-ink); background: var(--vat-soft); cursor: pointer; }
.bk-vat-presets button { min-height: 40px; padding: 0 14px; font-size: 14px; font-weight: 800; }
.bk-vat-presets button:hover, .bk-vat-rate:hover, .bk-vat-quiet:hover { border-color: var(--vat-blue); color: var(--vat-blue); }
.bk-vat-rate.is-active { border-color: var(--vat-blue); color: var(--vat-blue); background: #eef4ff; }
.bk-vat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.bk-vat-card { border: 1px solid var(--vat-line); border-radius: 16px; background: var(--vat-soft); padding: 16px; }
.bk-vat-card h2, .bk-vat-countries { margin: 0 0 12px; color: var(--vat-ink); font-size: 22px; letter-spacing: -.02em; }
.bk-vat-countries { margin-top: 22px; }
.bk-vat label { display: block; margin: 12px 0 6px; color: var(--vat-ink); font-size: 14px; font-weight: 800; }
.bk-vat input, .bk-vat select { width: 100%; min-height: 46px; border: 1px solid var(--vat-line); border-radius: 12px; color: var(--vat-ink); background: #fff; font-size: 16px; outline: none; padding: 0 14px; }
.bk-vat select { max-width: 360px; margin-top: 6px; }
.bk-vat input:focus, .bk-vat select:focus { border-color: var(--vat-blue); box-shadow: 0 0 0 4px rgba(23, 105, 224, .12); }
.bk-vat-result { margin-top: 14px; padding: 14px; border-radius: 14px; background: #fff; }
.bk-vat-result p { margin: 0; color: #34455e; font-size: 15px; line-height: 1.5; }
.bk-vat-result p + p { margin-top: 6px; }
.bk-vat-total { color: var(--vat-ink); font-size: 28px; font-weight: 800; letter-spacing: -.03em; }
.bk-vat-quiet { min-height: 40px; margin-top: 12px; padding: 0 14px; font-size: 14px; font-weight: 800; }
.bk-vat-error { margin: 12px 0 0; padding: 12px 14px; border-radius: 12px; color: #8d2b2b; background: #fff1f1; font-size: 14px; line-height: 1.5; }
.bk-vat-note { margin: 0 0 12px; color: var(--vat-muted); font-size: 14px; line-height: 1.5; }
.bk-vat-rate { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-width: 168px; min-height: 42px; padding: 8px 12px; font-size: 14px; }
.bk-vat-rate strong { font-size: 14px; }
@media (max-width: 800px) {
  .bk-vat-grid { grid-template-columns: 1fr; }
  .bk-vat select { max-width: none; }
}