html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

body {
  padding-top: 1.5rem;
}

.content {
  flex: 1 0 auto;
}

footer {
  flex-shrink: 0;
  background-color: #007bff;
  color: white;
  text-align: center;
  padding: 10px 0;
}

.accordion {
  border: none;
  border-radius: 0.25rem;
  overflow: hidden;
}

.accordion-item {
  border: none;
}

.accordion-button {
  background-color: transparent;
  box-shadow: none;
  color: var(--bs-body);
  font-weight: 600;
  line-height: 1.5;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 0;
}

.accordion-button:hover {
  background-color: transparent;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.accordion-button:focus {
  box-shadow: none;
  outline: none;
}

.accordion-button:not(.collapsed) {
  color: var(--bs-body);
  font-weight: 600;
  border-bottom: none;
}

.accordion-item:last-child .accordion-button.collapsed {
  border-bottom: none;
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-item:first-of-type .accordion-button {
  border-top-left-radius: 0.25rem;
  border-top-right-radius: 0.25rem;
}

.accordion-item:last-of-type .accordion-button.collapsed {
  border-bottom-left-radius: 0.25rem;
  border-bottom-right-radius: 0.25rem;
}
#navbar {
  background-color: rgba(248, 249, 250, 0.8) !important;    /* white at 80% opacity */
  backdrop-filter: saturate(180%) blur(8px);     /* soft blur behind */
  transition: background-color 0.3s ease;        /* smooth theme changes */
}

/* Dark-theme override */
html[data-bs-theme="dark"] #navbar {
  background-color: rgba(46, 51, 56, 0.8) !important;
  backdrop-filter: saturate(180%) blur(8px);
  */
}