:root {
      --primary: #2C5282;
      --primary-light: #3182CE;
      --secondary: #38B2AC;
      --secondary-light: #4FD1C5;
      --dark: #1A202C;
      --dark-blue: #002856;
      --light: #F7FAFC;
      --gray: #718096;
      --gray-light: #E2E8F0;
      --success: #38A169;
      --error: #E53E3E;
      --warning: #DD6B20;
      --info: #3182CE;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    
    body {
      background-color: var(--light);
      color: var(--dark);
      line-height: 1.6;
      margin: 0;
      padding: 0;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 2rem;
    }
    
    .section-header {
      text-align: center;
      margin-bottom: 3rem;
    }
    
    .section-title {
      font-size: 2.2rem;
      color: var(--primary);
      margin-bottom: 1rem;
    }
    
    .section-subtitle {
      color: var(--gray);
      font-size: 1.1rem;
      max-width: 700px;
      margin: 0 auto;
    }
    
    .generator-card {
      background-color: white;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
      margin-bottom: 3rem;
      padding: 0;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .generator-header {
      background-color: var(--primary);
      color: white;
      padding: 1.5rem;
      display: flex;
      align-items: center;
      gap: 1rem;
    }
    
    .generator-icon {
      font-size: 2.5rem;
      background-color: rgba(255, 255, 255, 0.2);
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    
    .generator-title-container {
      flex: 1;
    }
    
    .generator-title {
      font-size: 1.5rem;
      margin-bottom: 0.3rem;
    }
    
    .generator-subtitle {
      font-size: 1rem;
      opacity: 0.8;
    }
    
    .generator-content {
      padding: 2rem;
    }
    
    .generator-description {
      margin-bottom: 2rem;
      color: var(--gray);
    }
    
    .generator-form {
      display: grid;
      gap: 2rem;
    }
    
    .form-section {
      border: 1px solid var(--gray-light);
      border-radius: 10px;
      padding: 1.5rem;
      margin-bottom: 2rem;
    }
    
    .form-section-title {
      font-size: 1.2rem;
      color: var(--primary);
      margin-bottom: 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid var(--gray-light);
    }
    
    .form-row {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1.5rem;
      margin-bottom: 1.5rem;
    }
    
    .form-group {
      display: flex;
      flex-direction: column;
    }
    
    .form-group label {
      font-weight: 600;
      margin-bottom: 0.5rem;
      color: var(--dark);
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
      padding: 0.8rem;
      border: 1px solid var(--gray-light);
      border-radius: 5px;
      font-size: 1rem;
      transition: border-color 0.3s ease;
    }
    
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: var(--secondary);
    }
    
    .generator-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 2rem;
    }
    
    .action-btn {
      padding: 0.8rem 1.5rem;
      border-radius: 5px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    
    .calculate-btn {
      background-color: var(--primary);
      color: white;
      border: none;
    }
    
    .calculate-btn:hover {
      background-color: var(--primary-light);
    }
    
    .reset-btn {
      background-color: transparent;
      color: var(--gray);
      border: 1px solid var(--gray-light);
    }
    
    .reset-btn:hover {
      background-color: var(--gray-light);
    }
    
    .generator-results {
      margin-top: 2rem;
      padding: 1.5rem;
      border-radius: 5px;
      background-color: var(--light);
      display: none;
    }
    
    .generator-results.show {
      display: block;
    }
    
    .results-title {
      font-size: 1.2rem;
      color: var(--primary);
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    
    .results-content {
      margin-bottom: 1.5rem;
    }
    
    .result-item {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid var(--gray-light);
      padding: 0.7rem 0;
    }
    
    .result-label {
      font-weight: 600;
      color: var(--dark);
    }
    
    .result-value {
      color: var(--gray);
    }
    
    .results-highlight {
      background-color: var(--primary-light);
      color: white;
      padding: 1rem;
      border-radius: 5px;
      font-weight: 600;
      margin: 1.5rem 0;
    }
    
    .results-actions {
      display: flex;
      justify-content: space-between;
      margin-top: 1.5rem;
    }
    
    .share-btn {
      background-color: var(--secondary);
      color: white;
      border: none;
      padding: 0.8rem 1.5rem;
      border-radius: 5px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      transition: background-color 0.3s ease;
    }
    
    .share-btn:hover {
      background-color: var(--secondary-light);
    }
    
    .alert {
      padding: 1rem;
      border-radius: 5px;
      margin-bottom: 1.5rem;
      display: flex;
      align-items: flex-start;
      gap: 1rem;
    }
    
    .alert-icon {
      font-size: 1.5rem;
    }
    
    .alert-content {
      flex: 1;
    }
    
    .alert-title {
      font-weight: 600;
      margin-bottom: 0.3rem;
    }
    
    .alert-info {
      background-color: rgba(49, 130, 206, 0.1);
      color: var(--info);
    }
    
    .alert-warning {
      background-color: rgba(221, 107, 32, 0.1);
      color: var(--warning);
    }
    
    /* Stile für CO-Räume */
    .room-item {
      background-color: var(--light);
      padding: 1rem;
      margin-bottom: 1rem;
      border-radius: 8px;
      border: 1px solid var(--gray-light);
      transition: all 0.3s ease;
    }
    
    .room-item:hover {
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }
    
    /* Spinner für Ladevorgänge */
    #processingIndicator {
      background-color: rgba(44, 82, 130, 0.05);
      border: 1px solid rgba(44, 82, 130, 0.2);
      border-radius: 8px;
      padding: 20px;
      margin-top: 20px;
      text-align: center;
      display: none;
    }
    
    #processingIndicator p {
      color: var(--primary);
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
    }
    
    @keyframes spin {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }
    
    .spinner {
      display: inline-block;
      width: 24px;
      height: 24px;
      border: 3px solid rgba(44, 82, 130, 0.3);
      border-radius: 50%;
      border-top-color: var(--primary);
      animation: spin 1s linear infinite;
    }
    
    /* Responsive Styles */
    @media (max-width: 768px) {
      .form-row {
        grid-template-columns: 1fr;
      }
      
      .results-actions {
        flex-direction: column;
        gap: 1rem;
      }
      
      .share-btn {
        width: 100%;
        justify-content: center;
      }
      
      .generator-header {
        flex-direction: column;
        text-align: center;
      }
    }
    
    /* Verbesserte Modaldarstellung für Angebote */
    .modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      z-index: 1000;
      overflow-y: auto;
    }
    
    .modal.show {
      display: flex;
      justify-content: center;
      align-items: flex-start;
      padding: 2rem 0;
    }
    
    .modal-content {
      background-color: white;
      border-radius: 10px;
      width: 90%;
      max-width: 700px;
      padding: 0;
      overflow: hidden;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
      from {
        transform: translateY(-50px);
        opacity: 0;
      }
      to {
        transform: translateY(0);
        opacity: 1;
      }
    }
    
    /* Responsive Tabellen */
    @media (max-width: 600px) {
      .responsive-table {
        display: block;
        width: 100%;
      }
      
      .responsive-table thead {
        display: none;
      }
      
      .responsive-table tbody, 
      .responsive-table tr {
        display: block;
        width: 100%;
      }
      
      .responsive-table td {
        display: flex;
        width: 100%;
        text-align: right !important;
        padding: 8px !important;
        border-bottom: 1px solid #ddd;
      }
      
      .responsive-table td:before {
        content: attr(data-label);
        float: left;
        font-weight: bold;
      }
      
      .responsive-table tr {
        margin-bottom: 15px;
        border: 1px solid #ddd;
      }
    }
    
    /* Druckspezifische Styles */
    @media print {
      body {
        margin: 0;
        padding: 15mm;
        font-size: 12pt;
      }
      
      .no-print {
        display: none !important;
      }
      
      .print-only {
        display: block !important;
      }
      
      .generator-actions, .results-actions {
        display: none !important;
      }
    }