/* Layout Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
  width: 250px;
  background-color: #2c3e50;
  color: white;
  padding: 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid #34495e;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 40px;
  height: 40px;
  color: #3498db;
  flex-shrink: 0;
}

.title-container {
  display: flex;
  flex-direction: column;
}

.sidebar-header h1 {
  font-size: 20px;
  font-weight: 700;
  color: #ecf0f1;
  line-height: 1.2;
  margin-bottom: 2px;
}

.sidebar-header .subtitle {
  font-size: 12px;
  color: #95a5a6;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-menu li {
  border-bottom: 1px solid #34495e;
}

.nav-menu-bottom {
  margin-top: auto;
}

.nav-section-header {
  padding: 20px 20px 10px 20px;
  margin-top: 20px;
  border-bottom: none !important;
}

.nav-section-header span {
  font-size: 11px;
  font-weight: 600;
  color: #95a5a6;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 20px;
  color: #ecf0f1;
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background-color: #34495e;
  color: #3498db;
}

.nav-link:hover .nav-icon {
  color: #3498db;
}

.nav-icon {
  width: 20px;
  height: 20px;
  color: #95a5a6;
  flex-shrink: 0;
  transition: color 0.3s ease;
}

/* Main Content Area */
.main-content {
  flex: 1;
  margin-left: 250px;
  padding: 30px;
  background-color: white;
  min-height: 100vh;
}

/* Alert Messages */
.alert {
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: 4px;
  border: 1px solid transparent;
}

.alert-success {
  background-color: #d4edda;
  border-color: #c3e6cb;
  color: #155724;
}

.alert-error {
  background-color: #f8d7da;
  border-color: #f5c6cb;
  color: #721c24;
}

/* Multiselect Dropdown - Shared across pages */
.multiselect-wrapper {
  position: relative;
  min-width: 250px;
}

.multiselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid #ced4da;
  border-radius: 4px;
  background-color: white;
  cursor: pointer;
  transition: all 0.2s ease;
}

.multiselect-trigger:hover {
  border-color: #3498db;
}

.multiselect-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #495057;
}

.multiselect-arrow {
  width: 16px;
  height: 16px;
  margin-left: 8px;
  color: #6c757d;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.multiselect-trigger:hover .multiselect-arrow {
  color: #3498db;
}

.multiselect-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #ced4da;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  display: none;
  max-height: 300px;
  overflow: hidden;
}

.multiselect-dropdown.show {
  display: block;
}

.multiselect-header {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #495057;
  border-bottom: 1px solid #e9ecef;
  background-color: #f8f9fa;
}

.multiselect-options {
  max-height: 250px;
  overflow-y: auto;
  padding: 8px 0;
}

.multiselect-option {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  cursor: pointer;
  transition: background-color 0.2s ease;
  margin: 0;
}

.multiselect-option:hover {
  background-color: #f8f9fa;
}

.multiselect-checkbox {
  width: 18px;
  height: 18px;
  margin: 0;
  margin-right: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.multiselect-option-label {
  flex: 1;
  font-size: 14px;
  color: #495057;
}

.multiselect-option-count {
  font-size: 14px;
  color: #6c757d;
  margin-left: 8px;
}

.multiselect-group-label {
  padding: 8px 16px 4px 16px;
  font-size: 12px;
  font-weight: 600;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background-color: #f8f9fa;
  border-top: 1px solid #e9ecef;
}

.multiselect-group-label:first-child {
  border-top: none;
}

.multiselect-group-checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  margin: 0;
}

.multiselect-group-checkbox {
  width: 16px;
  height: 16px;
  margin: 0;
  margin-right: 8px;
  cursor: pointer;
}

.multiselect-group-checkbox-label span {
  font-size: 12px;
  font-weight: 600;
  color: #6c757d;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.multiselect-option-grouped {
  padding-left: 44px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .main-content {
    margin-left: 0;
  }
}