.csv-calc-container{max-width:1200px;margin:0 auto;padding:20px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#333}.csv-calc-header{text-align:center;margin-bottom:40px;padding:40px 20px;background:linear-gradient(135deg,#1e3c72 0%,#2a5298 50%,#1e3c72 100%);border-radius:16px;color:#fff;box-shadow:0 10px 30px rgb(30 60 114 / .3)}.csv-calc-title{font-size:2.5rem;font-weight:700;margin:0 0 15px 0;display:flex;align-items:center;justify-content:center;gap:15px;color:white!important}.csv-calc-icon{font-size:3rem;color:white!important}.csv-calc-subtitle{font-size:1.2rem;margin:0;opacity:.95;max-width:600px;margin:0 auto;color:white!important}.csv-calc-form-container{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 30px rgb(0 0 0 / .1);margin-bottom:30px;border:1px solid #e1e5e9}.csv-calc-section{margin-bottom:40px}.csv-calc-section:last-child{margin-bottom:0}.csv-calc-section-title{font-size:1.4rem;font-weight:600;margin:0 0 25px 0;color:#2c3e50;display:flex;align-items:center;gap:10px;padding-bottom:15px;border-bottom:2px solid #f8f9fa}.section-icon{font-size:1.6rem}.csv-calc-row{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:25px}.csv-calc-field{display:flex;flex-direction:column}.csv-calc-field label{font-weight:600;margin-bottom:8px;color:#2c3e50}.field-description{font-size:.9rem;color:#6c757d;font-weight:400;margin-top:2px}.csv-calc-field input,.csv-calc-field select{padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all 0.3s ease;background:#fff}.csv-calc-field input:focus,.csv-calc-field select:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px rgb(102 126 234 / .1)}.field-examples{display:flex;gap:10px;margin-top:8px}.example-link{background:#f8f9fa;padding:4px 12px;border-radius:20px;font-size:.85rem;cursor:pointer;transition:all 0.2s ease;border:1px solid #e1e5e9;color:#6c757d}.example-link:hover{background:#667eea;color:#fff;border-color:#667eea}.csv-calc-features{display:grid;gap:20px}.feature-toggle{background:#f8f9fa;border-radius:12px;padding:20px;border:2px solid #e1e5e9;transition:all 0.3s ease}.feature-toggle:hover{border-color:#667eea;background:#f8f9ff}.toggle-label{display:flex;align-items:center;gap:15px;cursor:pointer;margin:0}.toggle-slider{position:relative;width:50px;height:26px;background:#ccc;border-radius:26px;transition:all 0.3s ease;flex-shrink:0}.toggle-slider::before{content:'';position:absolute;width:20px;height:20px;background:#fff;border-radius:50%;top:3px;left:3px;transition:all 0.3s ease;box-shadow:0 2px 4px rgb(0 0 0 / .2)}input[type="checkbox"]:checked+.toggle-slider{background:#667eea}input[type="checkbox"]:checked+.toggle-slider::before{transform:translateX(24px)}input[type="checkbox"]{display:none}.feature-info{flex:1}.feature-info strong{display:block;font-size:1.1rem;color:#2c3e50;margin-bottom:4px}.feature-info span{display:block;font-size:.9rem;color:#6c757d}.performance-impact{color:#e74c3c!important;font-weight:600!important;margin-top:4px!important}.csv-calc-submit{text-align:center;margin-top:40px}.csv-calc-button{background:linear-gradient(135deg,#1e3c72 0%,#2a5298 100%);color:white!important;border:none;padding:16px 40px;font-size:1.1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all 0.3s ease;display:inline-flex;align-items:center;gap:10px;box-shadow:0 4px 15px rgb(30 60 114 / .4)}.csv-calc-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgb(30 60 114 / .5);background:linear-gradient(135deg,#2a5298 0%,#1e3c72 100%)}.csv-calc-button:active{transform:translateY(0)}.btn-icon{font-size:1.2rem;color:white!important}.csv-calc-results{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 30px rgb(0 0 0 / .1);margin-bottom:30px;border:1px solid #e1e5e9}.results-header h3{font-size:1.8rem;font-weight:600;color:#2c3e50;margin:0 0 30px 0;text-align:center}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:25px;margin-bottom:40px}.result-card{background:#f8f9fa;border-radius:12px;padding:25px;border:2px solid #e1e5e9;transition:all 0.3s ease}.result-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgb(0 0 0 / .1)}.time-card{border-left:4px solid #3498db}.memory-card{border-left:4px solid #9b59b6}.risk-card{border-left:4px solid #e74c3c}.cost-card{border-left:4px solid #f39c12}.card-header{display:flex;align-items:center;gap:10px;margin-bottom:15px}.card-icon{font-size:1.4rem}.card-header h4{margin:0;font-size:1.2rem;font-weight:600;color:#2c3e50}.primary-metric{font-size:2rem;font-weight:700;color:#2c3e50;margin-bottom:15px}.secondary-metrics{display:flex;flex-direction:column;gap:8px}.metric{display:flex;justify-content:space-between;align-items:center;font-size:.9rem}.metric-label{color:#6c757d}.metric-value{font-weight:600;color:#2c3e50}.risk-indicator{text-align:center;margin-bottom:15px}.risk-badge{display:inline-block;padding:8px 20px;border-radius:20px;font-weight:600;font-size:1rem;text-transform:uppercase;letter-spacing:.5px}.risk-badge.low{background:#d4edda;color:#155724}.risk-badge.medium{background:#fff3cd;color:#856404}.risk-badge.high{background:#f8d7da;color:#721c24}.server-impact{display:flex;align-items:center;gap:8px;justify-content:center;font-size:.9rem;color:#6c757d}.impact-icon{font-size:1.2rem}.recommendations-section{background:#f8f9fa;border-radius:12px;padding:25px;border:2px solid #e1e5e9}.recommendations-title{font-size:1.3rem;font-weight:600;color:#2c3e50;margin:0 0 20px 0;display:flex;align-items:center;gap:10px}.recommendations-icon{font-size:1.4rem}.recommendations-list{display:flex;flex-direction:column;gap:12px}.recommendation-item{background:#fff;padding:15px;border-radius:8px;border-left:4px solid #667eea;box-shadow:0 2px 4px rgb(0 0 0 / .05)}.csv-calc-tips{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 30px rgb(0 0 0 / .1);margin-bottom:30px;border:1px solid #e1e5e9}.tips-title{font-size:1.5rem;font-weight:600;color:#2c3e50;margin:0 0 30px 0;text-align:center;display:flex;align-items:center;justify-content:center;gap:10px}.tips-icon{font-size:1.6rem}.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:25px}.tip-card{background:#f8f9fa;border-radius:12px;padding:25px;border:2px solid #e1e5e9}.tip-card h4{font-size:1.2rem;font-weight:600;color:#2c3e50;margin:0 0 15px 0}.tip-card ul{margin:0;padding-left:20px}.tip-card li{margin-bottom:8px;color:#6c757d}.csv-calc-loading{position:fixed;top:0;left:0;width:100%;height:100%;background:rgb(0 0 0 / .8);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999}.loading-spinner{width:60px;height:60px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}.loading-text{color:#fff;font-size:1.2rem;font-weight:600}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.csv-calc-seo-content{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 30px rgb(0 0 0 / .1);border:1px solid #e1e5e9}.seo-section h3,.seo-section h4{color:#2c3e50;font-weight:600}.seo-section h3{font-size:1.5rem;margin:0 0 20px 0}.seo-section h4{font-size:1.2rem;margin:25px 0 15px 0}.seo-section p{color:#6c757d;line-height:1.7;margin-bottom:20px}.seo-section ul{color:#6c757d;padding-left:20px}.seo-section li{margin-bottom:8px;line-height:1.6}@media (max-width:768px){.csv-calc-container{padding:15px}.csv-calc-header{padding:30px 15px}.csv-calc-title{font-size:2rem}.csv-calc-subtitle{font-size:1rem}.csv-calc-form-container,.csv-calc-results,.csv-calc-tips,.csv-calc-seo-content{padding:25px}.csv-calc-row{grid-template-columns:1fr;gap:20px}.results-grid,.tips-grid{grid-template-columns:1fr}.toggle-label{flex-direction:column;align-items:flex-start;gap:10px}}@media (max-width:480px){.csv-calc-title{flex-direction:column;gap:10px}.csv-calc-icon{font-size:2.5rem}.example-link{padding:4px 8px;font-size:.8rem}}.csv-splitter-section{background:#fff;border-radius:16px;padding:40px;box-shadow:0 8px 30px rgb(0 0 0 / .1);margin-bottom:30px;border:1px solid #e1e5e9}.csv-splitter-title{font-size:1.5rem;font-weight:600;color:#2c3e50;margin:0 0 10px 0;display:flex;align-items:center;gap:10px}.csv-splitter-subtitle{color:#6c757d;margin-bottom:30px}.csv-splitter-form{max-width:600px;margin:0 auto}.splitter-field{margin-bottom:20px}.splitter-field label{font-weight:600;color:#2c3e50;display:block;margin-bottom:8px}.splitter-field input[type="file"],.splitter-field select,#custom-parts{width:100%;padding:12px 16px;border:2px solid #e1e5e9;border-radius:8px;font-size:1rem;transition:all 0.3s ease}.splitter-field input[type="file"]:focus,.splitter-field select:focus,#custom-parts:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px rgb(102 126 234 / .1)}#custom-parts{margin-top:10px}.file-info{margin-top:10px;padding:10px;background:#f8f9fa;border-radius:8px;display:flex;justify-content:space-between;align-items:center}.file-name{font-weight:600;color:#2c3e50}.file-size{color:#6c757d;font-size:.9rem}.splitter-field input[type="checkbox"]{width:auto;margin-right:8px}.csv-split-button,.csv-reset-button{background:linear-gradient(135deg,#1e3c72 0%,#2a5298 100%);color:white!important;border:none;padding:16px 40px;font-size:1.1rem;font-weight:600;border-radius:12px;cursor:pointer;transition:all 0.3s ease;display:inline-flex;align-items:center;gap:10px;box-shadow:0 4px 15px rgb(30 60 114 / .4);width:100%;justify-content:center;margin-top:20px}.csv-split-button:hover,.csv-reset-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgb(30 60 114 / .5);background:linear-gradient(135deg,#2a5298 0%,#1e3c72 100%)}.split-progress{text-align:center;padding:40px 0}.progress-bar{width:100%;height:8px;background:#e1e5e9;border-radius:4px;overflow:hidden;margin-bottom:20px}.progress-fill{height:100%;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);width:0;transition:width 0.3s ease}.progress-text{color:#6c757d;font-size:1.1rem}.split-results{text-align:center}.split-results h4{font-size:1.5rem;color:#27ae60;margin-bottom:15px}.split-summary{color:#6c757d;margin-bottom:30px;line-height:1.6}.download-links{display:flex;flex-direction:column;gap:15px;margin-bottom:30px}.download-link{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;background:#f8f9fa;border:2px solid #e1e5e9;border-radius:8px;text-decoration:none;transition:all 0.3s ease}.download-link:hover{background:#f8f9ff;border-color:#667eea;transform:translateX(5px)}.download-icon{font-size:1.5rem}.download-info{flex:1;text-align:left;margin:0 20px}.download-info strong{display:block;color:#2c3e50;margin-bottom:4px}.file-rows{color:#6c757d;font-size:.9rem}.download-button{background:#2a5298;color:white!important;padding:8px 20px;border-radius:8px;font-weight:600;font-size:.9rem}.csv-reset-button{background:#6c757d;margin-top:20px}.csv-reset-button:hover{background:#5a6268}@media (max-width:768px){.csv-splitter-section{padding:25px}.download-link{flex-direction:column;gap:10px;text-align:center}.download-info{margin:0;text-align:center}}