:root{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color:#0f172a;background:#f7f8fa;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#f7f8fa;font-size:14px;line-height:1.5}:root{--bg: #f7f8fa;--panel: #ffffff;--border: #e5e7eb;--text: #0f172a;--muted: #64748b;--accent: #334155}.app{max-width:1180px;margin:0 auto;padding:24px}.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.nav-home{display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:600;color:var(--text);text-decoration:none}.nav-home__logo{width:40px;height:40px;object-fit:contain;display:block}.nav-home__title{font-size:22px;font-weight:700;line-height:1;letter-spacing:-.01em;color:#111827;background-image:linear-gradient(120deg,#4f8f2e,#6db638,#96cf67);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 1px 2px rgba(79,143,46,.18)}.nav-links{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.nav-link{padding:6px 12px;border-radius:999px;background:transparent;color:var(--muted);text-decoration:none;font-size:13px}.nav-link.is-active{background:#e2e8f0;color:#0f172a}.nav-link:hover{background:#f1f5f9;color:var(--text)}.dropdown{position:relative}.dropdown__trigger{display:inline-flex;align-items:center;gap:6px;border:1px solid #d0d7de;border-radius:6px;padding:6px 10px;background:#f6f8fa;color:#24292f;font-size:13px;font-weight:500;cursor:pointer;line-height:1.2}.dropdown__trigger:hover{background:#eef2f6;border-color:#b8c0c9}.dropdown__trigger:focus-visible{outline:none;box-shadow:0 0 0 3px #0969da33}.dropdown__trigger.is-active{background:#e7edf3;border-color:#b8c0c9}.dropdown__chevron{width:14px;height:14px;color:#57606a}.dropdown__menu{position:absolute;top:calc(100% + 6px);right:0;min-width:180px;border:1px solid #d0d7de;border-radius:8px;background:#fff;box-shadow:0 8px 24px #8c959f33;padding:6px;z-index:20}.dropdown__item{display:flex;align-items:center;gap:8px;border-radius:6px;padding:7px 9px;color:#24292f;text-decoration:none;font-size:13px}.dropdown__item:hover{background:#f6f8fa}.dropdown__item-icon{width:16px;height:16px;color:#6b7280;display:inline-grid;place-items:center;flex:0 0 auto}.dropdown__item-icon svg{width:16px;height:16px}.tool-page{display:flex;flex-direction:column;gap:20px}.site-footer{margin-top:24px;padding-top:14px;border-top:1px solid var(--border);display:flex;align-items:center;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}.site-footer__link{color:var(--muted);text-decoration:none}.site-footer__link:hover{color:var(--text)}.site-footer__copyright{margin-left:auto}.privacy-page{background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 10px #0f172a0a;padding:20px 22px}.privacy-page h1{margin:0 0 12px;font-size:24px;font-weight:600;letter-spacing:-.01em}.privacy-page p{margin:0 0 10px;color:var(--muted);font-size:14px}.tool-page__header h2{font-size:20px;line-height:1.2;font-weight:600;letter-spacing:-.01em;margin:0 0 8px}.tool-page__header p{margin:0;color:var(--muted);font-size:13px;max-width:760px}.workspace-shell{display:grid;grid-template-columns:420px 1px minmax(0,1fr);align-items:stretch;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 10px #0f172a0a;overflow:hidden;min-height:560px}.workspace-shell__pane{min-width:0}.workspace-shell__pane--input{padding:20px;background:var(--panel)}.workspace-shell__pane--result{padding:20px 24px;background:#fcfcfd;display:flex;flex-direction:column;gap:16px}.workspace-shell__divider{width:1px;background:var(--border)}.input-pane{display:flex;flex-direction:column;gap:12px}.input-pane__header h3{margin:0 0 6px;font-size:16px;font-weight:600}.input-pane__header p{margin:0;color:var(--muted);font-size:13px}.settings-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.settings-label{font-size:13px;font-weight:600;color:var(--muted)}.preset-buttons{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.preset{border:1px solid var(--border);border-radius:999px;padding:5px 10px;background:transparent;color:var(--muted);font-size:12px;cursor:pointer}.preset.is-active{background:#e2e8f0;border-color:#cbd5e1;color:#0f172a}.preset:hover{border-color:#cbd5e1;color:var(--text)}.preset-note{font-size:12px;color:var(--muted)}.controls-grid{display:grid;gap:10px;grid-template-columns:minmax(120px,1fr) minmax(220px,1.6fr) minmax(100px,1fr);align-items:end}.controls-grid:not(.controls-grid--tool){grid-template-columns:96px 96px 210px;justify-content:start}.controls-grid:not(.controls-grid--tool) .control--min-match-rate input[type=range]{max-width:190px}.controls-grid--tool{grid-template-columns:repeat(2,minmax(0,1fr))}.controls-grid--tool .control--min-match-rate{grid-column:1 / -1}.control{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.control--min-intersection{order:1}.control--top-n{order:2}.control--min-match-rate{order:3}.control input{width:100%}.control input[type=number]{border:1px solid var(--border);border-radius:10px;background:#fbfcfe;color:var(--text);padding:8px 10px;font-size:13px;line-height:1.2;outline:none;transition:border-color .12s ease,box-shadow .12s ease}.control input[type=number]:focus-visible{border-color:#93c5fd;box-shadow:0 0 0 3px #2563eb29}.control input[type=range]{-webkit-appearance:none;appearance:none;height:6px;border-radius:999px;background:linear-gradient(to right,#bfdbfe,#93c5fd);outline:none}.control input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:999px;background:linear-gradient(to right,#bfdbfe,#93c5fd)}.control input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;margin-top:-5px;border-radius:50%;border:2px solid #ffffff;background:var(--accent);box-shadow:0 1px 4px #0f172a40}.control input[type=range]::-moz-range-track{height:6px;border:0;border-radius:999px;background:linear-gradient(to right,#bfdbfe,#93c5fd)}.control input[type=range]::-moz-range-thumb{width:16px;height:16px;border:2px solid #ffffff;border-radius:50%;background:var(--accent);box-shadow:0 1px 4px #0f172a40}.control input[type=range]:focus-visible{box-shadow:0 0 0 3px #2563eb29}.json-input{width:100%;min-height:360px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.5;border:1px solid var(--border);border-radius:12px;background:#fbfcfe;padding:14px 16px}.json-dropzone{position:relative;border-radius:12px;transition:box-shadow .12s ease,background-color .12s ease}.json-dropzone.is-dragging{background:#f8fafc;box-shadow:0 0 0 3px #33415524}.json-dropzone.is-dragging .json-input{border-color:#94a3b8;background:#f8fafc}.json-dropzone__overlay{position:absolute;inset:0;border:2px dashed #94a3b8;border-radius:12px;background:#f8fafcf5;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;pointer-events:none;text-align:center;padding:16px}.json-dropzone__overlay-title{font-size:14px;font-weight:600;color:#0f172a}.json-dropzone__overlay-subtitle{font-size:12px;color:#64748b}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);border:0}.input-pane__actions{display:flex;flex-wrap:wrap;gap:8px}.input-pane__status{min-height:20px}.analyze-status{margin:0}.action-button{border:1px solid var(--border);border-radius:8px;padding:8px 12px;background:transparent;color:var(--text);text-decoration:none;font-weight:500;cursor:pointer}.action-button-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.action-button-primary:hover:not(:disabled){background:#1f2937;border-color:#1f2937}.action-button-primary:focus-visible{outline:none;box-shadow:0 0 0 3px #33415533}.action-button:disabled{opacity:.6;cursor:not-allowed}.error{margin:0;color:#b42318;font-weight:600;font-size:13px}.file-warning,.file-message{margin:0}.summary-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-bottom:10px;border-bottom:1px solid var(--border)}.summary-title{font-size:13px;font-weight:600;color:var(--text)}.summary-item{font-size:13px;color:var(--muted)}.result-pane{display:flex;flex-direction:column;gap:16px;min-height:100%}.result-pane__header h2{margin:0 0 6px;font-size:20px;font-weight:600;letter-spacing:-.01em}.result-pane__header p{margin:0;color:var(--muted);font-size:13px}.result-pane__body{display:flex;flex-direction:column;gap:16px}.result-section h3{margin:0 0 8px;font-size:16px;font-weight:600;color:var(--text)}.empty-state{padding:28px 0;color:var(--muted)}.tool-empty-state{display:flex;flex-direction:column;gap:12px;max-width:720px;padding:8px 0}.tool-empty-state h2{margin:0;font-size:20px;font-weight:600;letter-spacing:-.01em}.tool-empty-state p{margin:0;color:var(--muted);font-size:13px}.tool-empty-state ul{margin:4px 0 0;padding-left:18px;color:var(--text)}.tool-empty-state__hint{margin-top:8px;color:var(--muted);font-size:13px}.tool-empty-state__about{margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}.tool-empty-state__about h3{margin:0 0 6px;font-size:13px;font-weight:600;color:var(--text)}.tool-empty-state__about p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}.summary-chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border-radius:999px;background:#f1f5f9;color:var(--muted);font-size:12px;padding:4px 9px}.structure-header,.go-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.structure-filter{width:min(360px,100%);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:14px}.table-view{gap:12px}.table-selector{display:flex;flex-direction:column;gap:6px}.table-selector label{font-size:13px;font-weight:600;color:var(--muted)}.table-selector select{width:min(420px,100%);border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13px;background:#fff;color:var(--text)}.table-container{overflow:auto}.table-container table{width:100%;border-collapse:collapse;font-size:13px}.table-container th,.table-container td{border-bottom:1px solid var(--border);padding:6px 8px;text-align:left;vertical-align:top;white-space:nowrap}.go-actions{display:flex;gap:8px}.go-output{width:100%;min-height:320px;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.4;background:#fff}.home-hero{margin-bottom:20px}.home-hero h1{margin:0 0 8px;font-size:30px;line-height:1.2;font-weight:500;letter-spacing:-.006em}.hint{margin:0;color:var(--muted);font-size:13px}.home-workspace{margin-bottom:32px;width:100%;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 10px #0f172a0a;padding:20px}.tools-list{display:grid;gap:12px}.tools-list h2{margin:0;font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.tools-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-card{display:flex;align-items:center;gap:12px;border:1px solid var(--border);border-radius:12px;background:#fff;padding:12px;text-decoration:none;transition:border-color .12s ease,box-shadow .12s ease,transform .12s ease}.tool-card:hover{border-color:#cbd5e1;box-shadow:0 4px 16px #0f172a0f;transform:translateY(-1px)}.tool-card__icon{width:36px;height:36px;border-radius:10px;border:1px solid #d6dbe3;background:#f3f4f6;color:#6b7280;display:grid;place-items:center;flex:0 0 auto}.tool-card__icon svg{width:20px;height:20px}.tool-card__content{min-width:0;flex:1}.tool-card__content h3{margin:0 0 4px;font-size:16px;font-weight:600;color:var(--text)}.tool-card__content p{margin:0;color:var(--muted);font-size:14px}.tool-card__arrow{width:20px;height:20px;color:#94a3b8;flex:0 0 auto}.tool-card__arrow svg{width:20px;height:20px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{border-bottom:1px solid var(--border);padding:8px;text-align:left;vertical-align:top}th{color:var(--muted);font-weight:600;background:#f8fafc}.subtle{margin:0;color:var(--muted);font-size:13px}@media(max-width:980px){.workspace-shell{grid-template-columns:1fr}.workspace-shell__divider{width:100%;height:1px}.workspace-shell__pane--result{border-top:1px solid var(--border)}.nav-bar{flex-direction:column;align-items:flex-start}}@media(max-width:760px){.controls-grid{grid-template-columns:1fr}.controls-grid--tool .control--min-match-rate{grid-column:auto}.tools-grid{grid-template-columns:1fr}.home-workspace{padding:16px}.site-footer__copyright{margin-left:0}}