#business-forum {
  --bf-primary: #0F766E;
  --bf-primary-dark: #0D9488;
  --bf-primary-light: #F0FDFA;
  --bf-success: #16A34A;
  --bf-danger: #DC2626;
  --bf-warning: #D97706;
  --bf-bg: #F8FAFC;
  --bf-surface: #FFFFFF;
  --bf-border: #E2E8F0;
  --bf-text: #0F172A;
  --bf-text-muted: #64748B;
  --bf-radius: 12px;
  --bf-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
  max-width: 1120px;
  margin: 0 auto;
  color: var(--bf-text);
  font-size: 18px;
  line-height: 1.75;
}

#business-forum * {
  box-sizing: border-box;
}

#business-forum a,
#business-forum button,
#business-forum input,
#business-forum textarea,
#business-forum select {
  font: inherit;
}

#business-forum a:focus,
#business-forum button:focus,
#business-forum input:focus,
#business-forum textarea:focus,
#business-forum select:focus {
  outline: 3px solid var(--bf-primary);
  outline-offset: 2px;
}

#business-forum .bf-hero {
  margin: 0 0 36px;
  padding: 28px 28px 30px;
  background: linear-gradient(135deg, #F0FDFA 0%, #FFFFFF 55%, #F8FAFC 100%);
  border: 1px solid var(--bf-border);
  border-radius: calc(var(--bf-radius) + 4px);
  box-shadow: var(--bf-shadow);
}

#business-forum .bf-hero-eyebrow {
  margin: 0 0 8px;
  color: var(--bf-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

#business-forum .bf-hero h1 {
  margin: 0 0 10px;
  color: var(--bf-text);
  font-size: 2rem;
  line-height: 1.2;
}

#business-forum .bf-hero-lead {
  margin: 0;
  max-width: 42rem;
  color: var(--bf-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

#business-forum .bf-hero-sub {
  margin: 12px 0 0;
  max-width: 36rem;
  color: var(--bf-text-muted);
  font-size: 0.95rem;
}

#business-forum .bf-hero-sub a {
  color: var(--bf-primary);
  font-weight: 600;
  text-decoration: underline;
}

#business-forum .bf-hero-sub a:hover {
  color: var(--bf-primary-dark);
}

#business-forum .bf-hero-restricted {
  text-align: center;
  padding: 48px 28px;
}

#business-forum .bf-hero-restricted .bf-hero-lead {
  margin-left: auto;
  margin-right: auto;
  color: var(--bf-text);
  font-size: 1.15rem;
  font-weight: 600;
}

#business-forum .bf-hero-restricted .bf-hero-sub {
  margin-left: auto;
  margin-right: auto;
}

#business-forum .bf-restricted-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 24px;
}

#business-forum .bf-header {
  margin: 0 0 32px;
}

#business-forum .bf-header h1,
#business-forum .bf-hero h1,
#business-forum h2,
#business-forum h3 {
  color: var(--bf-text);
  line-height: 1.25;
}

#business-forum .bf-header p,
#business-forum .bf-muted,
#business-forum .bf-topic-meta,
#business-forum .bf-category-meta {
  color: var(--bf-text-muted);
  font-size: 15px;
}

#business-forum .bf-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

#business-forum .bf-category-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  min-height: 120px;
  padding: 20px;
  color: var(--bf-text);
  text-decoration: none;
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius);
  box-shadow: var(--bf-shadow);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

#business-forum .bf-category-card:hover {
  border-color: var(--bf-primary);
  background: var(--bf-primary-light);
  transform: translateY(-2px);
}

#business-forum .bf-category-icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  line-height: 1;
  background: var(--bf-primary-light);
  border-radius: 10px;
}

#business-forum .bf-category-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

#business-forum .bf-category-name {
  font-size: 18px;
  font-weight: 700;
}

#business-forum .bf-category-description {
  color: var(--bf-text-muted);
  font-size: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#business-forum .bf-toolbar,
#business-forum .bf-breadcrumb,
#business-forum .bf-pagination,
#business-forum .bf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 20px;
}

#business-forum .bf-breadcrumb {
  justify-content: flex-start;
  font-size: 16px;
}

#business-forum .bf-button,
#business-forum button.bf-button,
#business-forum a.bf-button {
  display: inline-flex;
  min-width: 120px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  background: var(--bf-primary);
  border: 1px solid var(--bf-primary);
  border-radius: var(--bf-radius);
  font-size: 17px;
  font-weight: 500;
}

#business-forum .bf-button:hover {
  background: var(--bf-primary-dark);
}

#business-forum .bf-button-secondary,
#business-forum button.bf-button-secondary {
  color: var(--bf-primary);
  background: #fff;
}

#business-forum .bf-button-danger {
  color: #fff;
  background: var(--bf-danger);
  border-color: var(--bf-danger);
}

#business-forum button:disabled,
#business-forum .bf-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}

#business-forum .bf-topic-card,
#business-forum .bf-reply-card,
#business-forum .bf-form,
#business-forum .bf-guest-prompt,
#business-forum .bf-message,
#business-forum .bf-admin-row {
  padding: 22px;
  margin: 0 0 16px;
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius);
  box-shadow: var(--bf-shadow);
}

#business-forum .bf-topic-card.bf-pinned {
  background: #FFFBEB;
  border-color: #FDE68A;
}

#business-forum .bf-topic-title {
  display: block;
  margin: 0 0 6px;
  color: var(--bf-text);
  font-size: 20px;
  font-weight: 500;
  text-decoration: none;
}

#business-forum .bf-topic-body,
#business-forum .bf-reply-body {
  margin: 18px 0;
}

#business-forum .bf-reply-card.bf-depth-1 {
  margin-left: 32px;
  border-left: 3px solid var(--bf-border);
}

#business-forum .bf-form {
  display: grid;
  gap: 14px;
}

#business-forum .bf-field {
  display: grid;
  gap: 6px;
}

#business-forum label {
  font-size: 17px;
  font-weight: 500;
}

#business-forum input[type="text"],
#business-forum input[type="search"],
#business-forum select,
#business-forum textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  color: var(--bf-text);
  background: #fff;
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius);
  font-size: 17px;
}

#business-forum textarea {
  min-height: 140px;
  resize: vertical;
}

#business-forum .bf-counter {
  color: var(--bf-text-muted);
  font-size: 15px;
  text-align: right;
}

#business-forum .bf-error {
  color: var(--bf-danger);
  font-size: 15px;
}

#business-forum .bf-message {
  border-color: var(--bf-primary);
  background: var(--bf-primary-light);
}

#business-forum .bf-message.bf-success {
  border-color: var(--bf-success);
  background: #F0FDF4;
}

#business-forum .bf-message.bf-error-message {
  border-color: var(--bf-danger);
  background: #FEF2F2;
}

#business-forum .bf-loading {
  padding: 32px;
  text-align: center;
}

#business-forum .bf-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border: 4px solid var(--bf-border);
  border-top-color: var(--bf-primary);
  border-radius: 50%;
  animation: bf-spin 900ms linear infinite;
}

#business-forum .bf-fade-in {
  animation: bf-fade-in 300ms ease both;
}

#business-forum .bf-report-form {
  margin-top: 12px;
}

#business-forum .bf-admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

#business-forum .bf-admin-tab {
  min-height: 44px;
  padding: 8px 14px;
  color: var(--bf-primary);
  background: #fff;
  border: 1px solid var(--bf-border);
  border-radius: var(--bf-radius);
  text-decoration: none;
}

#business-forum .bf-admin-tab.bf-active {
  color: #fff;
  background: var(--bf-primary);
  border-color: var(--bf-primary);
}

@keyframes bf-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes bf-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 700px) {
  #business-forum {
    font-size: 17px;
  }

  #business-forum .bf-category-grid {
    grid-template-columns: 1fr;
  }

  #business-forum .bf-category-card {
    padding: 20px;
  }

  #business-forum .bf-reply-card.bf-depth-1 {
    margin-left: 16px;
  }

  #business-forum .bf-toolbar,
  #business-forum .bf-pagination {
    align-items: stretch;
    flex-direction: column;
  }
}