/* Scoped CSS to prevent WordPress theme conflicts */
#aibe-bnss-wrapper {
  --primary-green: #2E7D32;
  --light-green: #E8F5E9;
  --accent-blue: #1565C0;
  --accent-saffron: #EF6C00;
  --accent-violet: #6A1B9A;
  --accent-red: #C62828;
  --text-dark: #333333;
  --bg-light: #F9FAFB;
  --border-radius: 8px;
  
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-light);
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  line-height: 1.6;
}

#aibe-bnss-wrapper h1, #aibe-bnss-wrapper h2, #aibe-bnss-wrapper h3 {
  color: var(--primary-green);
  font-weight: 600;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

#aibe-bnss-wrapper .bnss-header {
  text-align: center;
  border-bottom: 3px solid var(--primary-green);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

#aibe-bnss-wrapper .subtitle {
  color: var(--accent-saffron);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Buttons */
#aibe-bnss-wrapper .btn {
  background-color: var(--accent-blue);
  color: white;
  border: none;
  padding: 10px 15px;
  margin: 5px;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.3s;
}
#aibe-bnss-wrapper .btn:hover { background-color: #0d47a1; }
#aibe-bnss-wrapper .print-btn { background-color: var(--accent-violet); }
#aibe-bnss-wrapper .jump-btn { background-color: var(--accent-saffron); }

/* Tabs */
#aibe-bnss-wrapper .tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 15px;
}
#aibe-bnss-wrapper .tab-link {
  background-color: #e0e0e0;
  border: 1px solid #ccc;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 600;
  flex-grow: 1;
  text-align: center;
  border-radius: 5px 5px 0 0;
}
#aibe-bnss-wrapper .tab-link.active {
  background-color: var(--primary-green);
  color: white;
  border-color: var(--primary-green);
}
#aibe-bnss-wrapper .tab-content {
  display: none;
  background: white;
  padding: 20px;
  border: 1px solid var(--primary-green);
  border-radius: 0 0 5px 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
#aibe-bnss-wrapper .tab-content.active { display: block; }

/* Tables */
#aibe-bnss-wrapper .bnss-table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  background: white;
}
#aibe-bnss-wrapper .bnss-table th, #aibe-bnss-wrapper .bnss-table td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}
#aibe-bnss-wrapper .bnss-table th { background-color: var(--light-green); color: var(--primary-green); }

/* Boxes */
#aibe-bnss-wrapper .example-box {
  background-color: #ffebee;
  border-left: 4px solid var(--accent-red);
  padding: 10px 15px;
  margin: 15px 0;
  border-radius: 0 4px 4px 0;
}

#aibe-bnss-wrapper .section-container {
  background: white;
  padding: 20px;
  margin-top: 20px;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
}

/* Flowchart & Visuals */
#aibe-bnss-wrapper .css-flowchart { display: flex; flex-direction: column; align-items: center; margin: 20px 0; }
#aibe-bnss-wrapper .fc-node { background: var(--accent-blue); color: white; padding: 10px 20px; border-radius: 20px; font-weight: bold; width: 80%; text-align: center; max-width: 300px; }
#aibe-bnss-wrapper .fc-arrow { font-size: 24px; color: var(--primary-green); margin: 5px 0; }

#aibe-bnss-wrapper .css-roadmap { border-left: 4px solid var(--accent-saffron); padding-left: 20px; margin: 20px 0; }
#aibe-bnss-wrapper .rm-step { background: white; border: 1px solid var(--accent-saffron); padding: 10px; margin-bottom: 10px; border-radius: 4px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }

#aibe-bnss-wrapper .css-mindmap { display: flex; flex-direction: column; align-items: center; margin: 20px 0; }
#aibe-bnss-wrapper .mm-center { background: var(--accent-violet); color: white; padding: 15px 30px; border-radius: 8px; font-weight: bold; margin-bottom: 15px; }
#aibe-bnss-wrapper .mm-branches { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
#aibe-bnss-wrapper .mm-branch { background: #f3e5f5; border: 1px solid var(--accent-violet); padding: 10px; border-radius: 4px; text-align: center; width: 45%; min-width: 150px; }

/* Questions */
#aibe-bnss-wrapper .qs-list p { margin: 5px 0; padding: 5px; border-bottom: 1px dashed #ddd; }

/* Responsive */
@media (max-width: 768px) {
  #aibe-bnss-wrapper .tab-link { flex: 1 1 100%; border-radius: 0; }
  #aibe-bnss-wrapper .mm-branch { width: 100%; }
}

/* Print CSS */
@media print {
  #aibe-bnss-wrapper .nav-buttons, #aibe-bnss-wrapper .tabs-nav, #aibe-bnss-wrapper .print-btn { display: none !important; }
  #aibe-bnss-wrapper .tab-content, #aibe-bnss-wrapper #answer-key-content { display: block !important; border: none; box-shadow: none; }
  #aibe-bnss-wrapper { background: white; max-width: 100%; }
  #aibe-bnss-wrapper .bnss-table { page-break-inside: avoid; }
}