.bf-roi {
  --bf-card-border: rgba(16, 26, 34, 0.1);
  --bf-card-shadow: 0 10px 30px rgba(16, 26, 34, .06);
  --bf-radius-card: 16px;
  max-width: 740px;
  margin: 0;
}

.bf-roi-logo { margin-bottom: 20px; }
.bf-roi-logo img { height: 36px; width: auto; display: block; }

.bf-roi .roi-card {
  background: #fff;
  border: 1px solid var(--bf-card-border);
  border-radius: var(--bf-radius-card);
  box-shadow: var(--bf-card-shadow);
  margin-bottom: 20px;
}
.bf-roi .roi-card.inputs { padding: 22px 22px 18px; }
.bf-roi .roi-card.chart { padding: 22px 22px 12px; }
body .bf-roi .roi-card h2 {
  font-size: 18px; color: var(--bf-text);
  letter-spacing: .1px; line-height: 1.12;
  margin: 0 0 18px 0;
}
.bf-roi .roi-card.chart h2 { margin: 0 0 6px 0; }
.bf-roi .roi-card.chart .lead { font-size: 15px; color: var(--bf-text); margin: 0 0 16px 0; line-height: 1.6; }
.bf-roi .roi-card.chart .kantelpunt-koplijn { font-size: 15px; color: var(--bf-text); margin: -8px 0 18px 0; line-height: 1.5; }
.bf-roi .roi-card.chart .kantelpunt-koplijn strong { font-weight: 700; color: var(--bf-primary); }

.bf-roi .slider { margin-bottom: 20px; }
.bf-roi .slider .slider-row {
  display: flex; justify-content: space-between;
  align-items: baseline; gap: 16px; margin-bottom: 6px;
}
.bf-roi .slider label { font-size: 14px; color: var(--bf-text); }
.bf-roi .slider .val {
  font-family: "Exo", Verdana, Arial, sans-serif;
  font-size: 24px; font-weight: 900; color: var(--bf-dark);
  font-variant-numeric: tabular-nums; line-height: 1.12; white-space: nowrap;
}

.bf-roi .slider input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 28px; cursor: pointer;
  background: transparent;
}
.bf-roi .slider input[type=range]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(to right,
    var(--bf-primary) var(--vul, 0%), #e3e8ee var(--vul, 0%));
}
.bf-roi .slider input[type=range]::-moz-range-track {
  height: 6px; border-radius: 3px;
  background: linear-gradient(to right,
    var(--bf-primary) var(--vul, 0%), #e3e8ee var(--vul, 0%));
}
.bf-roi .slider input[type=range]::-moz-range-progress {
  height: 6px; border-radius: 3px 0 0 3px; background: transparent;
}
.bf-roi .slider input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bf-primary); border: none; cursor: pointer;
  margin-top: -5px;
}
.bf-roi .slider input[type=range]::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--bf-primary); border: none; cursor: pointer;
}
.bf-roi .slider .note {
  font-size: 13px; color: var(--bf-muted); margin-top: 4px; line-height: 1.5;
}

.bf-roi .slider .note a {
  color: var(--bf-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.bf-roi .stats { display: flex; gap: 14px; margin-bottom: 20px; flex-wrap: wrap; }
.bf-roi .stat {
  background: #fff;
  border: 1px solid var(--bf-card-border);
  border-radius: var(--bf-radius-card);
  box-shadow: var(--bf-card-shadow);
  padding: 22px 24px; flex: 1; min-width: 150px;
}
.bf-roi .stat.hl { background: var(--bf-primary); border-color: var(--bf-primary); }
.bf-roi .stat .lab {
  font-family: "Exo", Verdana, Arial, sans-serif;
  font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  font-size: 12px; color: var(--bf-muted); margin-bottom: 6px; line-height: 1.4;
}
.bf-roi .stat.hl .lab { color: rgba(255,255,255,.85); }
.bf-roi .stat .num {
  font-family: "Exo", Verdana, Arial, sans-serif;
  font-size: 34px; font-weight: 900; color: var(--bf-dark);
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.bf-roi .stat.hl .num { color: #fff; }
.bf-roi .stat .sub { font-size: 13px; color: var(--bf-muted); margin-top: 6px; line-height: 1.4; }
.bf-roi .stat.hl .sub { color: rgba(255,255,255,.8); }

.bf-roi .plot { position: relative; width: 100%; height: 260px; }
.bf-roi .plot svg { display: block; width: 100%; height: 100%; }
.bf-roi .tip {
  position: absolute; pointer-events: none; opacity: 0;
  background: #fff; border: 1px solid var(--bf-card-border); border-radius: 8px;
  padding: 10px 14px; font-size: 13px; line-height: 1.5;
  box-shadow: var(--bf-card-shadow); transition: opacity .12s;
  white-space: nowrap; z-index: 2;
}
.bf-roi .tip .t {
  font-family: "Exo", Verdana, Arial, sans-serif; font-weight: 700;
  margin-bottom: 4px; color: var(--bf-text);
}
.bf-roi .tip .m { color: #a37400; }
.bf-roi .tip .c { color: var(--bf-primary); }

.bf-roi .legend {
  display: flex; gap: 22px; justify-content: center;
  margin-top: 6px; margin-bottom: 8px;
}
.bf-roi .legend div { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--bf-muted); }
.bf-roi .legend .bar { width: 16px; height: 3px; border-radius: 2px; }
.bf-roi .legend .bar.manual { background: var(--bf-accent); }
.bf-roi .legend .bar.conn { background: var(--bf-primary); border-top: 1px dashed; }

.bf-roi .summary {
  background: #fbfeff;
  border: 1px solid var(--bf-card-border);
  border-left: 6px solid var(--bf-primary);
  border-radius: var(--bf-radius-card);
  box-shadow: 0 14px 34px rgba(16, 26, 34, .09);
  padding: 24px 22px;
  margin-bottom: 12px;
}
body .bf-roi .summary h2 { font-size: 18px; color: var(--bf-text); letter-spacing: .1px; line-height: 1.12; margin: 0 0 12px 0; }
.bf-roi .summary ul { margin: 0; padding: 0; list-style: none; max-width: 620px; }
.bf-roi .summary li {
  position: relative; padding-left: 26px; margin-bottom: 8px;
  font-size: 14px; line-height: 1.6;
}
.bf-roi .summary li:last-child { margin-bottom: 0; }
.bf-roi .summary li .dot {
  position: absolute; left: 0; top: 9px;
  width: 9px; height: 9px; border-radius: 2px; background: var(--bf-primary);
}
.bf-roi .summary strong { font-weight: 700; }
.bf-roi .summary strong.cy { color: var(--bf-primary); }
.bf-roi .summary .hint {
  font-size: 13px; color: var(--bf-muted);
  margin: 14px 0 0 0; line-height: 1.6;
}

.bf-roi .roi-card.share { padding: 22px; margin-bottom: 20px; }
.bf-roi .roi-card.share h2 { margin: 0 0 6px 0; }
.bf-roi .roi-card.share .lead {
  font-size: 15px; color: var(--bf-text);
  margin: 0 0 20px 0; line-height: 1.6; max-width: 640px;
}
.bf-roi .share-actions {
  display: flex; align-items: center;
  gap: 12px 16px; flex-wrap: wrap;
}
.bf-roi .share-actions .btn { height: 52px; }
.bf-roi .share-status { font-size: 13px; line-height: 1.5; }
.bf-roi .share-status.ok { color: #00845b; }
.bf-roi .share-status.fail { color: var(--bf-danger); }
.bf-roi .share-note {
  font-size: 12px; color: var(--bf-muted);
  margin: 14px 0 0 0; line-height: 1.6;
}
.bf-roi .done {
  background: #f2fbf8; border: 1px solid #b9e8d8;
  border-radius: 8px; padding: 16px 18px;
  font-size: 14px; line-height: 1.6; color: var(--bf-text);
}
.bf-roi .done strong { font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  .bf-roi * { transition: none !important; animation: none !important; }
}