.bsfc-widget {
  --bsfc-navy: #0b2545;
  --bsfc-navy-light: #13355e;
  --bsfc-teal: #0d9488;
  --bsfc-teal-light: #14b8a6;
  --bsfc-teal-dim: #ccfbf1;
  --bsfc-bg: #f4f8f9;
  --bsfc-border: #d7e2e6;
  --bsfc-text: #0b2545;
  --bsfc-text-muted: #4a6178;

  max-width: 980px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--bsfc-text);
  background: var(--bsfc-bg);
  border: 1px solid var(--bsfc-border);
  border-radius: 14px;
  padding: 24px;
  box-sizing: border-box;
}
.bsfc-widget *, .bsfc-widget *::before, .bsfc-widget *::after { box-sizing: border-box; }

.bsfc-header { margin-bottom: 20px; }
.bsfc-eyebrow { margin: 0 0 4px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bsfc-teal); }
.bsfc-title { margin: 0 0 6px; font-size: 26px; font-weight: 800; color: var(--bsfc-navy); }
.bsfc-subtitle { margin: 0; font-size: 14px; line-height: 1.5; color: var(--bsfc-text-muted); max-width: 640px; }

.bsfc-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: start; }
@media (max-width: 760px) { .bsfc-layout { grid-template-columns: 1fr; } }

.bsfc-field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--bsfc-navy); margin-bottom: 14px; }
.bsfc-field-wide { width: 100%; }
.bsfc-field small { font-weight: 400; color: var(--bsfc-text-muted); }

.bsfc-input, .bsfc-select {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--bsfc-navy);
  background: #fff;
  border: 1px solid var(--bsfc-border);
  border-radius: 8px;
  outline: none;
  transition: border-color .15s;
}
.bsfc-input:focus, .bsfc-select:focus { border-color: var(--bsfc-teal); }
.bsfc-select { cursor: pointer; color: var(--bsfc-teal); font-weight: 700; }

.bsfc-input-group { display: flex; gap: 8px; }
.bsfc-input-group .bsfc-input { flex: 1; }
.bsfc-select-unit { width: 84px; flex: none; }

.bsfc-section { border: 1px solid var(--bsfc-border); border-radius: 10px; margin-bottom: 14px; background: #fff; overflow: hidden; }
.bsfc-section-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--bsfc-navy);
  text-align: left;
}
.bsfc-section-caret { color: var(--bsfc-teal); font-size: 11px; transition: transform .15s; }
.bsfc-section.bsfc-collapsed .bsfc-section-caret { transform: rotate(180deg); }
.bsfc-section-body { padding: 4px 14px 14px; }
.bsfc-section.bsfc-collapsed .bsfc-section-body { display: none; }

.bsfc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: filter .15s, background .15s;
}
.bsfc-btn-block { width: 100%; }
.bsfc-btn-primary { background: var(--bsfc-teal); color: #fff; }
.bsfc-btn-primary:hover { filter: brightness(0.94); }
.bsfc-btn-outline { background: #fff; color: var(--bsfc-navy); border-color: var(--bsfc-border); font-size: 13px; padding: 8px 12px; }
.bsfc-btn-outline:hover { border-color: var(--bsfc-teal); color: var(--bsfc-teal); }
.bsfc-btn-small { flex: 1; }
.bsfc-btn-text { background: transparent; color: var(--bsfc-teal); border: none; }
.bsfc-btn-text:hover { text-decoration: underline; }

.bsfc-error { background: #fde8e8; color: #9b1c1c; border: 1px solid #f5c2c2; border-radius: 8px; padding: 10px 12px; font-size: 13px; margin-bottom: 12px; }

.bsfc-toggle-row { margin-bottom: 14px; }
.bsfc-toggle-label { display: block; font-size: 13px; font-weight: 600; color: var(--bsfc-navy); margin-bottom: 6px; }
.bsfc-pill-row { display: flex; gap: 8px; }
.bsfc-pill { flex: 1; }
.bsfc-pill input { position: absolute; opacity: 0; pointer-events: none; }
.bsfc-pill span {
  display: block;
  text-align: center;
  padding: 9px 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bsfc-navy);
  background: #fff;
  border: 1px solid var(--bsfc-border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.bsfc-pill input:checked + span { background: var(--bsfc-teal); border-color: var(--bsfc-teal); color: #fff; }

.bsfc-result-sticky { position: sticky; top: 16px; background: var(--bsfc-navy); border-radius: 14px; padding: 20px; color: #fff; }

.bsfc-result-headline { text-align: center; margin-bottom: 8px; }
.bsfc-result-headline-label { display: block; font-size: 12px; color: var(--bsfc-teal-dim); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 6px; }
.bsfc-result-headline-value { display: block; font-size: 32px; font-weight: 800; color: #fff; line-height: 1.1; }

.bsfc-result-list { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.bsfc-result-row { display: flex; justify-content: space-between; font-size: 13px; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.bsfc-result-row span:first-child { color: var(--bsfc-teal-dim); }
.bsfc-result-row span:last-child { font-weight: 700; }

.bsfc-hint { font-size: 12px; color: var(--bsfc-text-muted); line-height: 1.5; margin: 14px 0; }
.bsfc-result-sticky .bsfc-hint { color: var(--bsfc-teal-dim); }
.bsfc-disclaimer { opacity: .85; }

.bsfc-result-actions { display: flex; gap: 8px; margin-top: 4px; }
.bsfc-result-sticky .bsfc-btn-outline { background: rgba(255,255,255,0.06); color: #fff; border-color: rgba(255,255,255,0.25); }
.bsfc-result-sticky .bsfc-btn-outline:hover { border-color: var(--bsfc-teal-light); color: var(--bsfc-teal-light); }
.bsfc-result-sticky .bsfc-btn-text { color: var(--bsfc-teal-light); margin-top: 10px; }

.bsfc-history-panel { margin-top: 20px; border-top: 1px solid var(--bsfc-border); padding-top: 16px; }
.bsfc-history-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.bsfc-history-title { margin: 0; font-size: 15px; font-weight: 800; color: var(--bsfc-navy); }
.bsfc-history-list { display: flex; flex-direction: column; gap: 8px; }
.bsfc-history-item { display: flex; justify-content: space-between; align-items: center; background: #fff; border: 1px solid var(--bsfc-border); border-radius: 8px; padding: 10px 12px; font-size: 13px; }
.bsfc-history-item-main { display: flex; flex-direction: column; gap: 2px; }
.bsfc-history-item-time { font-weight: 800; color: var(--bsfc-teal); }
.bsfc-history-item-meta { color: var(--bsfc-text-muted); font-size: 12px; }
.bsfc-history-item-remove { background: none; border: none; color: #9b1c1c; cursor: pointer; font-size: 12px; font-weight: 700; }
.bsfc-history-empty { font-size: 13px; color: var(--bsfc-text-muted); }

.bsfc-export-card { position: absolute; left: -9999px; top: -9999px; width: 480px; padding: 24px; background: #fff; color: var(--bsfc-navy); font-family: inherit; }