:root{color-scheme:light;--ink: #162a46;--ink-2: #2f4767;--muted: #53657e;--subtle: #63738d;--accent: #1955d5;--accent-deep: #1745ad;--canvas: #f8fbff;--paper: #ffffff;--line: #dfe7f3;--soft: #eff5ff;--red: #a8344c;--red-bg: #fff0f2;--green: #156a51;--green-bg: #e8f8f1;--amber-bg: #fff5e6;--warm: #b1572b;--warm-soft: #fff6eb;font-family:Inter,Segoe UI,-apple-system,BlinkMacSystemFont,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;font-synthesis:none;text-rendering:optimizeLegibility;background:var(--canvas);color:var(--ink)}*{box-sizing:border-box}html{scroll-behavior:auto;scrollbar-gutter:stable}body{margin:0;min-width:320px}app-root{display:block;min-height:100vh;min-height:100svh}button,textarea,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,textarea:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid 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var(--line);background:#fff;color:var(--ink);font-size:12px;font-weight:660;letter-spacing:-.01em;white-space:nowrap}.btn:hover:not(:disabled){background:var(--soft);border-color:#bdcbea}.btn-primary{color:#fff;border-color:var(--accent);background:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-deep);border-color:var(--accent-deep)}.btn-dark{color:#fff;background:var(--ink);border-color:var(--ink)}.btn-dark:hover:not(:disabled){background:var(--ink-2);border-color:var(--ink-2)}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover:not(:disabled){background:var(--soft);border-color:transparent}.btn-small{min-height:30px;padding:7px 10px;font-size:11px}.btn-icon{padding-inline:11px}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border:1px solid var(--line);border-radius:40px;background:#eef4ff;font-size:10px;font-weight:650;color:var(--ink-2)}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green)}.file-compare-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;padding:19px}.input-card{min-width:0;border:1px solid var(--line);background:#fff;border-radius:9px;overflow:hidden}.input-card-head{min-height:51px;padding:12px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;border-bottom:1px solid var(--line)}.side-id{display:inline-flex;align-items:center;gap:9px;min-width:0;font-size:12px;font-weight:720}.side-id em{font-style:normal;font-size:10px;background:#f0f4fd;color:var(--muted);border-radius:4px;padding:4px 6px}.input-card.original .side-id em{color:var(--red);background:var(--red-bg)}.input-card.changed .side-id em{color:var(--green);background:var(--green-bg)}.drop-area{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:38px 18px;min-height:197px;cursor:pointer;background:#fff}.drop-area:hover,.drop-area.over{background:#f3f7ff}.drop-area:focus-within{outline:3px solid var(--accent);outline-offset:-3px}.drop-area input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.drop-symbol{color:var(--accent);font-size:28px;line-height:1;margin-bottom:13px;font-weight:350}.drop-title{font-size:13px;font-weight:700;margin-bottom:5px;overflow-wrap:anywhere}.drop-hint{font-size:11px;color:var(--muted);line-height:1.6}.drop-badge{margin-top:14px;font-size:10px;font-weight:680;color:var(--accent-deep);padding:7px 10px;border:1px solid #cedcfa;border-radius:5px}.file-info{padding:12px 15px;border-top:1px solid 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p{color:var(--muted);font-size:12px;margin:0}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--paper);border:1px solid var(--line);border-radius:11px;overflow:hidden;margin-bottom:13px}.stat{padding:18px 19px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat-label{font-size:11px;color:var(--muted);display:block;margin-bottom:7px}.stat strong{font-size:26px;font-weight:660;letter-spacing:-.06em}.stat.add strong{color:var(--green)}.stat.remove strong{color:var(--red)}.stat.modify strong{color:var(--accent)}.empty-state{display:grid;place-items:center;min-height:170px;padding:30px;text-align:center;color:var(--muted);font-size:12px;border:1px dashed var(--line);border-radius:10px;background:#fff}.empty-state strong{color:var(--ink);display:block;margin-bottom:6px;font-size:15px}.filter-check{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:550;cursor:pointer}.filter-check input{accent-color:var(--accent)}.field{border:1px solid var(--line);color:var(--ink);background:#fff;padding:9px 11px;border-radius:6px;min-height:36px;font-size:12px}.field::placeholder{color:#61708a}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block;max-width:250px}@media(max-width:1000px){.page-head-note{display:none}.page-head{grid-template-columns:1fr}}@media(max-width:710px){.file-compare-grid{grid-template-columns:1fr;padding:12px;gap:12px}.page-head{margin-bottom:19px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.action-footer{padding:13px}.card-heading{padding:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid 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