.sidebar {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(226, 232, 240, 0.8);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-left: 10px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  text-decoration: none;
  text-align: left;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 550;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-link span.icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--muted);
  transition: all 0.25s ease;
}

.nav-link:hover span.icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.nav-link.nav-active {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 8px 20px -6px rgba(37, 99, 235, 0.4);
  font-weight: 600;
}

.nav-link.nav-active span.icon {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.sidebar-hint {
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 12px;
  border: 1px dashed var(--border);
  line-height: 1.4;
}