.keyword-density-checker-page-container{max-width:1200px;margin:0 auto;padding:1rem;min-height:calc(100vh - 135px)}@media(max-width:768px){.keyword-density-checker-page-container{padding:.75rem}}.keyword-density-checker-page-container .page-header{text-align:center;margin-bottom:1.5rem}.keyword-density-checker-page-container .page-header .page-title{font-size:1.75rem;font-weight:700;color:#1a1a1a;margin-bottom:.75rem;letter-spacing:-.5px;transition:color .3s ease}html.dark .keyword-density-checker-page-container .page-header .page-title{color:#f8f8f2}@media(min-width:640px){.keyword-density-checker-page-container .page-header .page-title{font-size:2.5rem}}@media(min-width:1024px){.keyword-density-checker-page-container .page-header .page-title{font-size:3.5rem}}.keyword-density-checker-page-container .page-header .page-subtitle{font-size:.85rem;color:#666;max-width:500px;margin:0 auto 1rem;transition:color .3s ease}html.dark .keyword-density-checker-page-container .page-header .page-subtitle{color:#bd93f9}@media(min-width:640px){.keyword-density-checker-page-container .page-header .page-subtitle{font-size:1.1rem}}.keyword-density-checker-page-container .tool-section{background:#fff;padding:1rem;border:1px solid #d1d5db;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.1);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease;display:flex;flex-direction:column;gap:1rem}html.dark .keyword-density-checker-page-container .tool-section{background:#282a36;border-color:#44475a;box-shadow:0 4px 12px rgba(0,0,0,.4)}.keyword-density-checker-page-container .input-group,.keyword-density-checker-page-container .output-group{display:flex;flex-direction:column;gap:.5rem;width:100%}.keyword-density-checker-page-container .input-label{font-weight:600;color:#1a1a1a}html.dark .keyword-density-checker-page-container .input-label{color:#f8f8f2}.keyword-density-checker-page-container .text-input{width:100%;min-height:150px;padding:.75rem;border:1px solid #d1d5db;border-radius:4px;background-color:#fff;color:#1a1a1a;font-size:1rem;box-sizing:border-box;resize:vertical;transition:border-color .2s ease,background-color .2s ease}.keyword-density-checker-page-container .text-input::placeholder{color:#9ca3af}.keyword-density-checker-page-container .text-input:focus{outline:none;border-color:#666;box-shadow:0 0 0 3px hsla(0,0%,40%,.2)}html.dark .keyword-density-checker-page-container .text-input{background-color:rgb(37.829787234,39.7212765957,51.070212766);border-color:#44475a;color:#f8f8f2}html.dark .keyword-density-checker-page-container .text-input::placeholder{color:#6272a4}html.dark .keyword-density-checker-page-container .text-input:focus{border-color:#bd93f9;box-shadow:0 0 0 3px rgba(189,147,249,.2)}.keyword-density-checker-page-container .file-upload-container{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed #d1d5db;border-radius:4px;padding:1rem;text-align:center;cursor:pointer;transition:border-color .3s ease,background-color .3s ease;background-color:#fff}.keyword-density-checker-page-container .file-upload-container:hover{border-color:#666;background-color:#fff}html.dark .keyword-density-checker-page-container .file-upload-container{border-color:#44475a;background-color:rgb(37.829787234,39.7212765957,51.070212766)}html.dark .keyword-density-checker-page-container .file-upload-container:hover{border-color:#bd93f9;background-color:rgb(33.4893617021,35.1638297872,45.2106382979)}.keyword-density-checker-page-container .file-upload-container input[type=file]{display:none}.keyword-density-checker-page-container .file-upload-container .upload-icon{color:#666}html.dark .keyword-density-checker-page-container .file-upload-container .upload-icon{color:#bd93f9}.keyword-density-checker-page-container .file-upload-container .upload-text{color:#1a1a1a;margin-top:.5rem;font-size:.95rem}html.dark .keyword-density-checker-page-container .file-upload-container .upload-text{color:#f8f8f2}.keyword-density-checker-page-container .file-upload-container .file-name{margin-top:.5rem;font-weight:500;color:#666}html.dark .keyword-density-checker-page-container .file-upload-container .file-name{color:#bd93f9}.keyword-density-checker-page-container .error-message,.keyword-density-checker-page-container .loading-indicator,.keyword-density-checker-page-container .selected-file-info{font-size:.9rem;text-align:center;margin-top:.5rem;color:#6b7280}html.dark .keyword-density-checker-page-container .error-message,html.dark .keyword-density-checker-page-container .loading-indicator,html.dark .keyword-density-checker-page-container .selected-file-info{color:#a6adbb}.keyword-density-checker-page-container .error-message,html.dark .keyword-density-checker-page-container .error-message{color:#dc2626}.keyword-density-checker-page-container .action-buttons{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:flex-end;margin-top:.5rem}.keyword-density-checker-page-container .primary-button,.keyword-density-checker-page-container .secondary-button{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;border-radius:4px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background-color .2s ease,border-color .2s ease,color .2s ease,opacity .2s ease}.keyword-density-checker-page-container .primary-button:disabled,.keyword-density-checker-page-container .secondary-button:disabled{cursor:not-allowed;opacity:.5}.keyword-density-checker-page-container .primary-button{background-color:#1a1a1a;color:#fff;border:1px solid #1a1a1a}.keyword-density-checker-page-container .primary-button:hover:not(:disabled){background-color:#333;border-color:#333}html.dark .keyword-density-checker-page-container .primary-button{background-color:#f8f8f2;color:#282a36;border-color:#f8f8f2}html.dark .keyword-density-checker-page-container .primary-button:hover:not(:disabled){background-color:#44475a;border-color:#44475a}.keyword-density-checker-page-container .secondary-button{background-color:#fff;color:#1a1a1a;border:1px solid #d1d5db}.keyword-density-checker-page-container .secondary-button:hover:not(:disabled){background-color:#fff;border-color:#1a1a1a}html.dark .keyword-density-checker-page-container .secondary-button{background-color:rgb(33.4893617021,35.1638297872,45.2106382979);color:#f8f8f2;border-color:#44475a}html.dark .keyword-density-checker-page-container .secondary-button:hover:not(:disabled){background-color:rgb(29.1489361702,30.6063829787,39.3510638298);border-color:#f8f8f2}.keyword-density-checker-page-container .results-container{margin-top:1rem;padding:.75rem;border:1px solid #d1d5db;border-radius:4px;background-color:#fff;transition:background-color .2s ease,border-color .2s ease;height:350px;overflow-y:auto}html.dark .keyword-density-checker-page-container .results-container{background-color:rgb(37.829787234,39.7212765957,51.070212766);border-color:#44475a}.keyword-density-checker-page-container .results-container h2{font-size:1.2rem;color:#1a1a1a;margin-bottom:.75rem;text-align:center}html.dark .keyword-density-checker-page-container .results-container h2{color:#f8f8f2}.keyword-density-checker-page-container .results-container .word-count{text-align:center;margin-bottom:.75rem;font-size:1rem;color:#6b7280}html.dark .keyword-density-checker-page-container .results-container .word-count{color:#a6adbb}.keyword-density-checker-page-container .results-container table{width:100%;border-collapse:collapse;margin-top:1rem}.keyword-density-checker-page-container .results-container table thead{background-color:#fff}html.dark .keyword-density-checker-page-container .results-container table thead{background-color:rgb(33.4893617021,35.1638297872,45.2106382979)}.keyword-density-checker-page-container .results-container table thead th{padding:.6rem;text-align:left;font-weight:600;color:#1a1a1a;border-bottom:1px solid #d1d5db}html.dark .keyword-density-checker-page-container .results-container table thead th{color:#f8f8f2;border-color:#44475a}.keyword-density-checker-page-container .results-container table tbody tr:nth-child(2n){background-color:#fff}html.dark .keyword-density-checker-page-container .results-container table tbody tr:nth-child(2n){background-color:rgb(35.6595744681,37.4425531915,48.1404255319)}.keyword-density-checker-page-container .results-container table tbody tr td{padding:.6rem;color:#1a1a1a;border-bottom:1px solid #d1d5db}html.dark .keyword-density-checker-page-container .results-container table tbody tr td{color:#f8f8f2;border-color:#44475a}.keyword-density-checker-page-container .results-container.placeholder{color:#9ca3af;font-style:italic;text-align:center;display:flex;align-items:center;justify-content:center;min-height:200px}html.dark .keyword-density-checker-page-container .results-container.placeholder{color:#6272a4}.keyword-density-checker-page-container .ad-placeholder{background-color:#f8fafc;border:1px solid #cbd5e1;border-radius:8px;padding:1rem;text-align:center;font-size:.8rem;color:#64748b;margin-top:1rem;transition:background .3s ease,border-color .3s ease,color .3s ease}html.dark .keyword-density-checker-page-container .ad-placeholder{background-color:#1a1c24;border-color:#44475a;color:#8be9fd}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}