:root{color-scheme:light;--bg:#f4f5f7;--surface:#fff;--ink:#111827;--text:#202838;--muted:#687184;--line:#dfe3e9;--purple:#6d4aff;--purple-soft:#eeeaff;--green:#147d61;--green-soft:#dcf5ea;--red:#b33b49;--red-soft:#ffe6e9;--radius:18px;--shadow:0 16px 55px rgba(24,32,48,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}button,label{touch-action:manipulation}.site-header{height:72px;max-width:1180px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:inherit;text-decoration:none}.brand>span:last-child{display:grid}.brand strong{font-size:14px}.brand small{color:var(--muted);font-size:9px}.brand-icon{width:36px;height:36px;padding:8px;border-radius:10px;background:var(--ink);display:grid;gap:3px}.brand-icon i{height:4px;border-radius:2px;background:#fff}.brand-icon i:last-child{width:65%;background:#8f77ff}.header-link{color:var(--muted);font-size:12px;font-weight:700}.hero{max-width:1180px;margin:55px auto 34px;padding:0 24px;display:grid;grid-template-columns:minmax(0,1.55fr) minmax(260px,.65fr);gap:60px;align-items:end}.eyebrow,.step-label{margin:0 0 10px;color:var(--purple);font-size:10px;font-weight:850;letter-spacing:.14em}.hero h1{max-width:800px;margin:0;font-size:clamp(42px,6vw,72px);line-height:.98;letter-spacing:-.06em}.hero-lead{max-width:680px;margin:22px 0;color:var(--muted);font-size:18px}.trust-row{display:flex;flex-wrap:wrap;gap:8px}.trust-row span{padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.6);font-size:11px;font-weight:750}.difference-card{padding:22px;border-radius:var(--radius);background:var(--ink);color:#fff}.difference-card strong{font-size:16px}.difference-card p{margin:9px 0 0;color:#bfc7d5;font-size:13px}.tool-shell,.content-section{max-width:1180px;margin:0 auto 22px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.tool-shell{min-height:420px}.tool-head{padding:22px 26px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.tool-head h2{margin:0;font-size:24px;letter-spacing:-.03em}.tool-head p{margin:0 0 3px}.upload-panel{padding:28px}.drop-zone{min-height:255px;border:2px dashed #c7ccd5;border-radius:18px;background:#fafbfc;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;cursor:pointer;transition:.2s}.drop-zone:hover,.drop-zone.dragging{border-color:var(--purple);background:var(--purple-soft)}.drop-zone strong{margin-top:14px;font-size:20px}.drop-zone span{color:var(--muted)}.drop-zone small{margin-top:10px;color:#8b93a1}.upload-icon{width:62px;height:62px;display:grid;place-items:center;border-radius:15px!important;background:var(--ink);color:#fff!important;font-size:12px;font-weight:900}.sample-divider{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.09em}.sample-divider:before,.sample-divider:after{content:"";height:1px;flex:1;background:var(--line)}button{cursor:pointer}.primary-button,.secondary-button{min-height:48px;padding:12px 18px;border-radius:11px;font-weight:800}.primary-button{border:1px solid var(--ink);background:var(--ink);color:#fff}.secondary-button{border:1px solid #c8cdd6;background:#fff;color:var(--text)}.upload-panel>.secondary-button{display:block;margin:auto}.text-button{padding:7px 5px;border:0;background:transparent;color:var(--purple);font-weight:750}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.configure-panel,.results-panel{padding:26px}.file-summary{padding:14px 16px;margin-bottom:22px;background:#f7f8fa;border:1px solid var(--line);border-radius:13px;display:flex;align-items:center;justify-content:space-between}.file-summary>div{display:flex;align-items:center;gap:12px}.file-summary div div{display:grid}.file-summary small{color:var(--muted)}.file-type{width:40px;height:40px;display:grid;place-items:center;border-radius:9px;background:var(--green-soft);color:var(--green);font-size:10px;font-weight:900}.status-pill{padding:5px 10px;border-radius:999px;background:var(--green-soft);color:var(--green);font-size:10px;font-weight:800}.configuration-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}fieldset{min-width:0;margin:0;padding:18px;border:1px solid var(--line);border-radius:14px}legend{padding:0 5px;font-weight:850}fieldset>p{margin:0 0 14px;color:var(--muted);font-size:12px}.column-list{max-height:260px;overflow:auto;display:grid;gap:7px}.column-option,.radio-card{display:flex;align-items:center;gap:10px;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:#fafbfc}.column-option span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.radio-card{margin-bottom:8px;align-items:flex-start;cursor:pointer}.radio-card span{display:grid}.radio-card small{color:var(--muted)}input[type="checkbox"],input[type="radio"]{width:18px;height:18px;accent-color:var(--purple);flex:none}.inline-actions{display:flex;gap:12px;margin-top:9px}.advanced{margin-top:17px;padding:13px 15px;border:1px solid var(--line);border-radius:12px}.advanced summary{cursor:pointer;font-weight:800}.advanced label{display:flex;align-items:center;gap:8px;margin-top:10px}.run-row{margin-top:20px;display:flex;align-items:center;gap:16px}.error-message{margin:0;color:var(--red);font-weight:650}.result-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.result-summary>div{padding:16px;border:1px solid var(--line);border-radius:12px;background:#fafbfc}.result-summary span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.07em}.result-summary strong{font-size:27px}.result-summary .kept{background:var(--green-soft);border-color:#b9e5d6}.result-actions{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0 22px}.preview-section{padding-top:20px;border-top:1px solid var(--line)}.preview-section h3{margin:0}.preview-section p{margin:2px 0 14px;color:var(--muted)}.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;white-space:nowrap}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:11px}th{position:sticky;top:0;background:#f2f4f7;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}tr.removed{background:var(--red-soft);text-decoration:line-through;color:#7a4c52}tr.kept-row{background:var(--green-soft)}.row-status{font-weight:850;text-decoration:none!important}.content-section{padding:42px}.content-section h2{max-width:720px;margin:0 0 24px;font-size:clamp(28px,4vw,42px);line-height:1.05;letter-spacing:-.045em}.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.steps li{padding:17px;border:1px solid var(--line);border-radius:13px}.steps li>span{width:28px;height:28px;margin-bottom:14px;display:grid;place-items:center;border-radius:8px;background:var(--purple-soft);color:var(--purple);font-weight:900}.steps p,.content-grid p,.about>p{margin:5px 0 0;color:var(--muted);font-size:12px}.content-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.content-grid article{padding:19px;border:1px solid var(--line);border-radius:13px}.privacy-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;background:var(--ink);color:#fff}.privacy-section p{color:#bec7d5}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:800}.faq details p{color:var(--muted)}.internal-placeholder{margin-top:24px;padding:17px;border:1px dashed #c5cad4;border-radius:12px;display:grid}.internal-placeholder span{color:var(--muted);font-size:12px}footer{max-width:1180px;margin:45px auto 0;padding:28px 24px 45px;border-top:1px solid var(--line);display:grid;color:var(--muted)}footer strong{color:var(--text)}footer small{margin-top:8px}.noscript{position:fixed;inset:auto 12px 12px;padding:12px;background:var(--red);color:#fff;border-radius:10px}
@media(max-width:800px){.hero{grid-template-columns:1fr;gap:24px;margin-top:30px}.hero h1{font-size:47px}.configuration-grid,.privacy-section{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.result-summary{grid-template-columns:1fr 1fr}.content-section{padding:28px}.difference-card{max-width:520px}}
@media(max-width:520px){.site-header{padding:0 16px}.header-link{display:none}.hero{padding:0 16px}.hero h1{font-size:39px}.hero-lead{font-size:16px}.tool-shell,.content-section{margin-left:10px;margin-right:10px;border-radius:17px}.tool-head,.configure-panel,.results-panel{padding:18px}.upload-panel{padding:14px}.drop-zone{min-height:235px}.configuration-grid,.steps,.content-grid{grid-template-columns:1fr}.result-actions{display:grid}.result-actions button{width:100%}.run-row{display:block}.run-row .primary-button{width:100%}.file-summary{align-items:flex-start}.file-summary>div{min-width:0}.file-summary div div{min-width:0}.file-summary strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content-section{padding:24px}.privacy-section{gap:4px}footer{padding-left:18px;padding-right:18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
