.bf-wrap {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.75rem;
  align-items: start;
}
.bf-inputs { padding: 1.5rem; }
.bf-results { display: flex; flex-direction: column; gap: 1.25rem; }

/* Sex / unit toggle buttons (classes shared with tdee-calculator markup) */
.tdee-toggle-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tdee-toggle { padding: 8px 20px; font-size: .9rem; }
.tdee-toggle.active { background: var(--accent-grad); color: #fff; border-color: transparent; }
.bf-unit-label {
  font-size: .78rem;
  color: var(--muted);
  font-weight: 400;
  margin-left: .2rem;
}

/* Main result card */
.bf-main-card {
  text-align: center;
  padding: 2rem 1.5rem 1.5rem;
}
.bf-big {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: .1em;
}
.bf-pct-sign {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--muted);
}
.bf-category {
  font-size: 1.1rem;
  font-weight: 700;
  margin: .6rem 0 1.5rem;
  letter-spacing: .02em;
}

/* Gauge */
.bf-gauge-wrap { max-width: 480px; margin: 0 auto; }
.bf-gauge-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #56c8ff 0%, #5cd98a 20%, #ffce5c 40%, #ff9e7a 65%, #ff6b8a 100%);
  margin-bottom: .5rem;
}
.bf-gauge-fill { display: none; }
.bf-gauge-marker {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--fg);
  box-shadow: 0 2px 8px rgba(0,0,0,.4);
  transition: left .4s ease;
}
.bf-gauge-labels {
  display: flex;
  justify-content: space-between;
  font-size: .63rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 0 2px;
}

/* Mass breakdown */
.bf-card-title {
  font-size: .95rem;
  font-weight: 700;
  margin: 0 0 1rem;
}
.bf-mass-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: .75rem;
}
.bf-mass-box {
  border-radius: 12px;
  padding: 1rem 1.25rem;
  text-align: center;
}
.bf-fat { background: rgba(255,107,138,.12); border: 1px solid rgba(255,107,138,.2); }
.bf-lean { background: rgba(92,214,192,.12); border: 1px solid rgba(92,214,192,.2); }
.bf-mass-num { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.bf-fat .bf-mass-num { color: #ff8fa3; }
.bf-lean .bf-mass-num { color: #5cd6c0; }
.bf-mass-lbl { font-size: .78rem; color: var(--muted); margin-top: .25rem; }

.bf-comp-bar {
  display: flex;
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: .4rem;
}
.bf-comp-fat { background: #ff8fa3; transition: width .4s ease; }
.bf-comp-lean { background: #5cd6c0; flex: 1; }
.bf-comp-legend {
  font-size: .75rem;
  color: var(--muted);
  display: flex;
  gap: .6rem;
  align-items: center;
}
.bf-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.bf-dot-fat { background: #ff8fa3; }
.bf-dot-lean { background: #5cd6c0; }

/* BMI comparison */
.bf-bmi-row {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}
.bf-bmi-lbl { font-size: .78rem; color: var(--muted); display: block; margin-bottom: .2rem; }
.bf-bmi-lbl small { color: var(--muted-2); font-weight: 400; }
.bf-bmi-val { font-size: 1.3rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.bf-ffmi-row { margin-top: .9rem; padding-top: .9rem; border-top: 1px solid var(--line); }

/* Table */
.bf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.bf-table th {
  text-align: left;
  padding: .5rem .75rem;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.bf-table td {
  padding: .55rem .75rem;
  border-bottom: 1px solid var(--border, #2a3157);
}
.bf-table tr:last-child td { border-bottom: none; }
.bf-table tr.current td { background: rgba(108,139,255,.1); font-weight: 700; }
.bf-cat-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: .4rem;
}

@media (max-width: 820px) {
  .bf-wrap { grid-template-columns: 1fr; }
  .bf-big { font-size: 3.5rem; }
}
@media (max-width: 480px) {
  .bf-mass-row { grid-template-columns: 1fr; }
  .bf-bmi-row { gap: 1rem; }
}