/* Base resets and container */
.msb-nav {
  background: #033605;
  color: #fff;
  padding: 1rem 0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.msb-nav-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}
.msb-back-btn {
  background: #024003;
  border: none;
  color: #fff;
  padding: .5rem 1rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  transition: background .2s, transform .2s;
}
.msb-back-btn:hover { background: #012002; transform: translateY(-2px); }
.msb-back-icon { width: 1rem; height: 1rem; margin-right: .5rem; stroke: #fff; }
.msb-title { font-size: 1.5rem; font-weight: 700; }

.msb-main { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }
.msb-card {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  padding: 2rem;
  overflow: hidden;
}
.msb-section-title {
  font-size: 2rem;
  color: #033605;
  text-align: center;
  margin-bottom: 1.5rem;
}

/* Search */
.msb-search-wrap { text-align: center; margin-bottom: 2rem; }
.msb-search {
  width: 100%;
  max-width: 500px;
  padding: .75rem 1rem;
  border: 2px solid #033605;
  border-radius: 9999px;
  font-size: 1rem;
  transition: box-shadow .3s, border-color .3s;
}
.msb-search:focus {
  border-color: #1B8F06;
  box-shadow: 0 0 0 4px rgba(27,143,6,0.3);
  outline: none;
}

/* Accordion */
.msb-accordion { display: grid; 
  gap: 1rem; 
  max-height: 300px;
  overflow-y: auto;
  padding-right: 0.5rem;
  scroll-behavior: smooth;
}

.msb-accordion::-webkit-scrollbar{
  width: 8px;}
.msb-accordion::-webkit-scrollbar-thumb { 
  background: #033605; 
  border-radius: 4px;
}
.msb-accordion:: -webkit-scrollbar-track { 
  background: #f1f1f1; }

.msb-accordion-item {
  border: 1px solid #e5e7eb;
  border-radius: .75rem;
  overflow: hidden;
  transition: box-shadow .3s;
 
}
.msb-accordion-item:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.msb-accordion-toggle {
  width: 100%;
  background: #f3f4f6;
  border: none;
  padding: 1rem;
  font-size: 1.125rem;
  color: #033605;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background .2s;
}
.msb-accordion-toggle:hover { background: #e9f7ee; }

.msb-acc-icon {
  font-size: 1.5rem;
  transition: transform .3s;
}

.msb-accordion-panel {
  max-height: 0;
  padding: 0 1rem;
  overflow: hidden;
  transition: max-height .5s ease, padding .3s ease;
}
.msb-accordion-panel.open {
  padding: 1rem;
  max-height: 500px; /* enough for content */
}

.msb-acc-desc {
  color: #4b5563;
  margin-bottom: .75rem;
}
.msb-acc-link {
  display: inline-block;
  background: #033605;
  color: #fff;
  padding: .5rem 1rem;
  border-radius: .75rem;
  transition: background .2s, transform .2s;
}
.msb-acc-link:hover {
  background: #1B8F06;
  transform: translateY(-2px);
}