.sidebar {
  width: 240px;
  min-width: 200px;
  background: var(--green-500, #388e3c);
  color: #fff;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: width 0.2s, min-width 0.2s;
  box-shadow: 2px 0 8px rgba(44, 62, 80, 0.07);
  overflow: hidden;
}

/* Collapsed sidebar */
.sidebar.collapsed {
  width: 60px;
  min-width: 60px;
  align-items: center;
}

.sidebar .logo {
  font-size: 2rem;
  font-weight: bold;
  margin: 2rem 0 1rem 1.5rem;
  color: #fff;
  transition: opacity 0.2s;
}

.sidebar.collapsed .logo {
  opacity: 0;
  pointer-events: none;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  margin: 0.5rem 0 1rem 1.5rem;
  outline: none;
  display: block;
  transition: color 0.2s;
}

.sidebar.collapsed .sidebar-toggle {
  margin-left: 0.5rem;
}

.menu {
  display: flex;
  flex-direction: column;
  width: 100%;
  margin-top: 1rem;
}

.menu a {
  display: flex;
  align-items: center;
  color: #fff;
  text-decoration: none;
  padding: 0.9rem 2rem;
  font-size: 1.08rem;
  border-left: 4px solid transparent;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  font-weight: 500;
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.menu a.active,
.menu a:hover {
  background: var(--green-600, #2e7031);
  border-left: 4px solid #fff;
  color: #fff;
}

.sidebar-icon {
  min-width: 32px;
  text-align: center;
  font-size: 1.3rem;
}

.sidebar-text {
  margin-left: 12px;
  transition: opacity 0.2s, width 0.2s, margin 0.2s;
  white-space: nowrap;
}

.sidebar.collapsed .sidebar-text {
  opacity: 0;
  width: 0;
  margin: 0;
  pointer-events: none;
}

/* Responsive: hide sidebar on small screens, show toggle */
@media (max-width: 900px) {
  .sidebar {
    width: var(--sidebar-collapsed-width);
    min-width: var(--sidebar-collapsed-width);
    top: 70px; /* Account for fixed header */
    height: calc(100vh - 70px);
  }
  
  .sidebar .sidebar-text {
    display: none;
  }
}

@media (max-width: 600px) {
  .sidebar {
    position: fixed;
    left: -240px;
    top: 70px; /* Account for fixed header */
    z-index: 200;
    transition: left 0.3s ease;
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: calc(100vh - 70px);
  }
  
  .sidebar.show {
    left: 0;
  }
  
  /* Show text when sidebar is expanded on mobile */
  .sidebar.show .sidebar-text {
    display: inline-block !important;
    opacity: 1 !important;
    width: auto !important;
    margin-left: 12px !important;
  }
  
  /* Ensure sidebar items are properly spaced on mobile when expanded */
  .sidebar.show .menu a {
    padding: 0.5rem 1rem;
    justify-content: flex-start;
  }
}

/* Main content shifts when sidebar is collapsed */
#mainContent, .main-section {
  margin-left: var(--sidebar-width);
  transition: margin-left 0.2s;
}

.sidebar.collapsed ~ #mainContent,
.sidebar.collapsed ~ .main-section {
  margin-left: var(--sidebar-collapsed-width);
}

@media (max-width: 900px) {
  #mainContent, .main-section {
    margin-left: var(--sidebar-collapsed-width);
    margin-top: 70px; /* Account for fixed header */
  }
}

@media (max-width: 600px) {
  #mainContent, .main-section {
    margin-left: 0;
    margin-top: 70px; /* Account for fixed header */
  }
}