:root{--bg: #0a0a0f;--surface: #12121a;--surface-2: #1a1a25;--border: #2a2a3a;--text: #e8e8ef;--text-2: #8888a0;--accent: #6c5ce7;--accent-light: #a29bfe;--green: #00b894;--red: #ff6b6b;--yellow: #ffd93d;--radius: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--mono: "SF Mono", "Cascadia Code", "Fira Code", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;padding:2rem;max-width:1200px;margin:0 auto}header{text-align:center;margin-bottom:2rem}header h1{font-size:2rem;font-weight:700}.subtitle{color:var(--text-2);margin-top:.5rem}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:3rem 2rem;text-align:center;cursor:pointer;transition:border-color .2s,background .2s}.dropzone:hover,.dropzone.dragover{border-color:var(--accent);background:#6c5ce70d}.dropzone-icon{font-size:3rem;display:block;margin-bottom:1rem}.dropzone-hint{color:var(--text-2);font-size:.85rem;margin-top:.5rem}.file-label{color:var(--accent-light);cursor:pointer;text-decoration:underline}.loading{text-align:center;padding:3rem}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-bottom:1.5rem}.card h2{margin-bottom:1rem;font-size:1.25rem}.card h3{margin-bottom:.75rem;font-size:1rem;color:var(--text-2)}.config-layout{display:grid;grid-template-columns:1fr 1fr;gap:2rem}@media(max-width:700px){.config-layout{grid-template-columns:1fr}}.config-section h3{margin-bottom:.75rem}.config-section h3 .hint{font-weight:400;font-size:.8rem;color:var(--text-2)}.column-list{display:flex;flex-direction:column;gap:.4rem;max-height:300px;overflow-y:auto;padding-right:.5rem}.column-list label{display:flex;align-items:center;gap:.5rem;padding:.4rem .6rem;border-radius:6px;cursor:pointer;font-family:var(--mono);font-size:.85rem;transition:background .15s}.column-list label:hover{background:var(--surface-2)}.column-list input[type=checkbox]{accent-color:var(--accent)}.select-input{width:100%;padding:.5rem .75rem;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.9rem;font-family:var(--font);margin-bottom:1rem;cursor:pointer}.select-input:focus{outline:1px solid var(--accent)}.algo-params{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.25rem}.param-group{display:flex;flex-direction:column;gap:.25rem}.param-group label{font-size:.8rem;color:var(--text-2)}.param-group input,.param-group select{padding:.4rem .6rem;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:.85rem;font-family:var(--mono)}.param-group input:focus,.param-group select:focus{outline:1px solid var(--accent)}.run-btn{width:100%;padding:.7rem 1.5rem;background:var(--accent);border:none;border-radius:8px;color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s}.run-btn:hover{opacity:.9}.run-btn:disabled{opacity:.5;cursor:not-allowed}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem}.stat-box{background:var(--surface-2);border-radius:8px;padding:1rem;text-align:center}.stat-value{font-size:1.5rem;font-weight:700;font-family:var(--mono);color:var(--accent-light)}.stat-label{font-size:.8rem;color:var(--text-2);margin-top:.25rem}.results-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}@media(max-width:900px){.results-grid{grid-template-columns:1fr}}canvas{width:100%;height:auto;border-radius:8px;background:var(--bg)}.scatter-legend{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.75rem;font-size:.8rem}.legend-item{display:flex;align-items:center;gap:.35rem}.legend-dot{width:10px;height:10px;border-radius:50%;display:inline-block}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:.85rem;font-family:var(--mono)}.data-table th,.data-table td{padding:.5rem .75rem;text-align:right;border-bottom:1px solid var(--border)}.data-table th{color:var(--text-2);font-weight:600;text-align:right;background:var(--surface-2)}.data-table th:first-child,.data-table td:first-child{text-align:left}.data-table tbody tr:hover{background:var(--surface-2)}.export-bar{display:flex;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.export-btn{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:.5rem 1.25rem;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background .2s}.export-btn:hover{background:var(--accent);color:#fff}footer{text-align:center;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border);color:var(--text-2);font-size:.85rem}footer a{color:var(--accent-light);text-decoration:none}footer a:hover{text-decoration:underline}