.side-nav {
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}

.side-nav-inner {
  background: #ffffff;
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.side-nav-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  opacity: 0.5;
}

.side-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.side-nav-list li {
  margin: 0;
}

.side-nav a,
.side-nav-list a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
  line-height: 1.4;
  transition: all 0.2s ease;
}

.side-nav a:hover,
.side-nav-list a:hover {
  background: rgba(45, 138, 78, 0.08);
  transform: translateX(2px);
}

.side-nav a.active,
.side-nav-list a.active {
  background: rgba(45, 138, 78, 0.12);
  color: #2d8a4e;
  font-weight: 700;
  position: relative;
}

.side-nav a.active::before,
.side-nav-list a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: #2d8a4e;
  border-radius: 2px;
}

@media (max-width: 768px) {
  .side-nav {
    max-height: none;
    overflow-y: visible;
  }
}