/* ===== TOOLKIT PAGE STYLES ===== */
.bsbc-toolkit-wrap {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 60px;
  color: #1a2a1e;
}

/* HERO */
.bsbc-hero {
  background: linear-gradient(135deg, #0b1f13 0%, #184729 40%, #112d1b 100%);
  border-radius: 16px;
  padding: 56px 40px;
  margin-bottom: 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.bsbc-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.bsbc-hero-badge {
  display: inline-block;
  background: rgba(212,175,55,0.2);
  border: 1px solid #eabf32;
  color: #eabf32;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 20px;
}
.bsbc-hero h1 {
  font-size: clamp(28px, 5vw, 46px);
  font-weight: 800;
  color: #ffffff;
  margin: 0 0 14px;
  line-height: 1.15;
}
.bsbc-hero h1 span {
  color: #eabf32;
}
.bsbc-hero p {
  font-size: 17px;
  color: rgba(255,255,255,0.80);
  max-width: 620px;
  margin: 0 auto 28px;
  line-height: 1.65;
}
.bsbc-hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.bsbc-hero-stat {
  text-align: center;
}
.bsbc-hero-stat strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  color: #eabf32;
}
.bsbc-hero-stat span {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* SECTION LABELS */
.bsbc-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  margin-top: 40px;
}
.bsbc-section-label h2 {
  font-size: 20px;
  font-weight: 700;
  color: #102A1C;
  margin: 0;
  white-space: nowrap;
}
.bsbc-section-label::after {
  content: '';
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, #c8a951 0%, transparent 100%);
  border-radius: 2px;
}

/* GRID */
.bsbc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
}

/* CARD */
.bsbc-card {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid #e8ede9;
  box-shadow: 0 2px 12px rgba(26,58,42,0.06);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.bsbc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(18, 43, 29, 0.25); transform: translateY(-6px);
  border-color: #c8a951;
  text-decoration: none;
  color: inherit;
}

/* CARD THUMBNAIL */
.bsbc-card-thumb {
  position: relative;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.bsbc-card-thumb svg {
  width: 56px;
  height: 56px;
  opacity: 0.9;
}
.bsbc-card-num {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.30);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 9px;
  border-radius: 20px;
}
.bsbc-card-dl {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.bsbc-card:hover .bsbc-card-dl {
  background: rgba(235, 192, 53, 0.95);
}

/* CARD BODY */
.bsbc-card-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.bsbc-card-chapter {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.bsbc-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
  color: #1a2a1e;
}
.bsbc-card-desc {
  font-size: 13px;
  color: #5a7060;
  line-height: 1.55;
  flex: 1;
}
.bsbc-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid #eef2ef;
}
.bsbc-card-type {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: #7a9a80;
  font-weight: 600;
}
.bsbc-card-cta {
  font-size: 12px;
  font-weight: 700;
  color: #226038;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Color themes for card thumbnails */
.bsbc-thumb-frontmatter { background: linear-gradient(135deg, #102A1C, #226038); }
.bsbc-thumb-ch1  { background: linear-gradient(135deg, #2c4a1e, #4a7a30); }
.bsbc-thumb-ch2  { background: linear-gradient(135deg, #1e3a4a, #307a6a); }
.bsbc-thumb-ch3  { background: linear-gradient(135deg, #3a2c1e, #7a5a30); }
.bsbc-thumb-ch4  { background: linear-gradient(135deg, #3a1e2c, #7a3060); }
.bsbc-thumb-ch5  { background: linear-gradient(135deg, #1e2c3a, #306070); }
.bsbc-thumb-ch6  { background: linear-gradient(135deg, #3a2a1e, #7a6030); }
.bsbc-thumb-ch7  { background: linear-gradient(135deg, #1e3a2a, #307a50); }
.bsbc-thumb-ch8  { background: linear-gradient(135deg, #2a3a1e, #6a7a30); }
.bsbc-thumb-ch9  { background: linear-gradient(135deg, #3a1e1e, #7a3030); }
.bsbc-thumb-ch10 { background: linear-gradient(135deg, #1e1e3a, #303070); }
.bsbc-thumb-ch11 { background: linear-gradient(135deg, #2a1e3a, #5a3070); }
.bsbc-thumb-ch12 { background: linear-gradient(135deg, #1e3a3a, #307a7a); }
.bsbc-thumb-ch13 { background: linear-gradient(135deg, #3a3a1e, #7a7a30); }
.bsbc-thumb-ch14 { background: linear-gradient(135deg, #2a2a2a, #505050); }
.bsbc-thumb-ch15 { background: linear-gradient(135deg, #1e2a3a, #304a70); }
.bsbc-thumb-ch16 { background: linear-gradient(135deg, #3a2a2a, #7a5050); }
.bsbc-thumb-ch17 { background: linear-gradient(135deg, #1e3a1e, #307a30); }
.bsbc-thumb-ch18 { background: linear-gradient(135deg, #3a1e3a, #703070); }
.bsbc-thumb-backmatter { background: linear-gradient(135deg, #102A1C, #c8a951); }

/* RESPONSIVE */
@media (max-width: 640px) {
  .bsbc-hero { padding: 36px 20px; }
  .bsbc-hero-stats { gap: 20px; }
  .bsbc-grid { grid-template-columns: 1fr; }
}