:root{--brand: #2563eb;--brand-2: #0d9488;--grad: linear-gradient(135deg, #2563eb 0%, #0d9488 100%);--bg: #080b12;--panel: #111726;--panel-2: #0d1320;--elev: #161d2e;--border: #232c40;--border-soft: #1a2133;--text: #eaeef6;--muted: #93a0b7;--faint: #6b7689;--ok: #34d399;--ok-bg: rgba(52, 211, 153, .12);--ok-bd: rgba(52, 211, 153, .35);--bad: #fb7185;--bad-bg: rgba(251, 113, 133, .12);--bad-bd: rgba(251, 113, 133, .35);--radius: 18px;--radius-sm: 11px;--shadow: 0 20px 45px -22px rgba(0, 0, 0, .75);--ring: 0 0 0 3px rgba(37, 99, 235, .28)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:16.5px;line-height:1.55;-webkit-font-smoothing:antialiased}.page{position:relative;min-height:100vh;overflow-x:hidden}.bg-glow{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;background:radial-gradient(640px 360px at 18% -8%,rgba(37,99,235,.22),transparent 70%),radial-gradient(620px 380px at 92% 4%,rgba(13,148,136,.18),transparent 70%)}.topbar{position:relative;z-index:2;border-bottom:1px solid var(--border-soft);background:#0a0e168c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.topbar-inner{max-width:1080px;margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}.topbar-logo{height:56px;width:auto;display:block}.tabs{display:inline-flex;padding:4px;gap:4px;border:1px solid var(--border);border-radius:12px;background:var(--panel-2)}.tab{border:none;background:transparent;color:var(--muted);padding:9px 18px;border-radius:9px;font-size:14.5px;font-weight:600;cursor:pointer;transition:color .15s,background .15s}.tab:hover{color:var(--text)}.tab.active{color:#fff;background:var(--grad);box-shadow:0 6px 16px -8px #2563ebcc}.container{position:relative;z-index:1;max-width:1080px;margin:0 auto;padding:44px 28px 96px}.hero{text-align:center;margin:16px 0 40px}.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border:1px solid var(--border);border-radius:999px;background:var(--panel-2);color:var(--muted);font-size:13.5px;font-weight:500}.eyebrow svg{color:var(--brand-2)}.hero h1{margin:18px 0 12px;font-size:clamp(30px,5vw,46px);line-height:1.08;letter-spacing:-.02em;font-weight:800}.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}.subtitle{max-width:620px;margin:0 auto;color:var(--muted);font-size:17px}.subtitle b{color:var(--text);font-weight:600}.card{position:relative;background:linear-gradient(180deg,var(--panel) 0%,var(--panel-2) 100%);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.uploader{margin-top:8px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}@media(max-width:720px){.grid-2{grid-template-columns:1fr}}.field-block{display:flex;flex-direction:column;gap:12px}.block-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;min-height:34px}.block-title{display:inline-flex;align-items:center;gap:9px;font-weight:650;font-size:15.5px}.block-title small{color:var(--faint);font-weight:400;font-size:13px}.step{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:8px;background:var(--grad);color:#fff;font-size:13px;font-weight:700}.segmented{display:inline-flex;padding:4px;gap:4px;border:1px solid var(--border);border-radius:12px;background:var(--panel-2)}.seg-btn{display:inline-flex;align-items:center;gap:7px;border:none;background:transparent;color:var(--muted);padding:9px 15px;border-radius:9px;font-size:14.5px;font-weight:600;cursor:pointer;transition:color .15s,background .15s}.seg-btn small{font-weight:400;color:var(--faint);font-size:12.5px}.seg-btn:hover{color:var(--text)}.seg-btn.active{background:var(--elev);color:var(--text);box-shadow:inset 0 0 0 1px var(--border),0 4px 12px -6px #0009}.seg-btn.active small{color:var(--muted)}.segmented.sm .seg-btn{padding:6px 12px;font-size:13.5px}.dropzone{position:relative;display:grid;place-items:center;min-height:168px;padding:22px;border:1.5px dashed var(--border);border-radius:var(--radius-sm);background:var(--panel-2);cursor:pointer;text-align:center;transition:border-color .15s,background .15s,transform .05s}.dropzone:hover{border-color:var(--brand);background:#2563eb0f}.dropzone input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.dropzone.has-file{border-style:solid;border-color:var(--ok-bd);background:#34d3990d}.dz-empty{display:flex;flex-direction:column;align-items:center;gap:6px}.dz-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--elev);color:var(--brand);margin-bottom:6px;border:1px solid var(--border)}.dz-main{font-weight:600;font-size:15px}.dz-sub{color:var(--faint);font-size:13px}.dz-file{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--ok)}.dz-name{color:var(--text);font-weight:600;font-size:15px;word-break:break-all;max-width:100%}.dz-replace{color:var(--faint);font-size:12.5px}.textarea-wrap{display:flex}.original-textarea{width:100%;min-height:168px;resize:vertical;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;font-family:inherit;font-size:15px;line-height:1.55;transition:border-color .15s,box-shadow .15s}.original-textarea::placeholder{color:var(--faint)}.original-textarea:focus{outline:none;border-color:var(--brand);box-shadow:var(--ring)}.controls{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:24px;padding-top:22px;border-top:1px solid var(--border-soft)}.engine{display:flex;flex-direction:column;gap:9px}.engine-label{color:var(--muted);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.btn-primary{display:inline-flex;align-items:center;gap:9px;background:var(--grad);color:#fff;border:none;border-radius:12px;padding:14px 28px;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 12px 26px -12px #2563ebcc;transition:transform .08s,box-shadow .15s,opacity .15s}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 16px 30px -12px #2563ebe6}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.7;cursor:progress}.spinner{width:17px;height:17px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{display:flex;align-items:center;gap:9px;margin:18px 0 0;padding:12px 15px;border-radius:var(--radius-sm);background:var(--bad-bg);border:1px solid var(--bad-bd);color:#ffc4c9;font-size:14.5px}.alert svg{color:var(--bad);flex-shrink:0}.hint{color:var(--muted);font-size:14px;margin:14px 0 0}.results{display:flex;flex-direction:column;gap:22px;margin-top:22px;animation:rise .35s ease both}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}.card-head h2{margin:0;font-size:21px;font-weight:750;letter-spacing:-.01em}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;font-size:13.5px;font-weight:650;white-space:nowrap}.pill.sm{padding:4px 10px;font-size:12.5px}.pill.ok{background:var(--ok-bg);color:var(--ok);border:1px solid var(--ok-bd)}.pill.bad{background:var(--bad-bg);color:var(--bad);border:1px solid var(--bad-bd)}.table-wrap{overflow-x:auto;border-radius:var(--radius-sm);border:1px solid var(--border-soft)}table.fields{width:100%;border-collapse:collapse;font-size:15px}table.fields th,table.fields td{text-align:left;padding:13px 15px;vertical-align:top}table.fields thead th{color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;background:var(--panel-2);border-bottom:1px solid var(--border)}table.fields tbody tr{border-bottom:1px solid var(--border-soft)}table.fields tbody tr:last-child{border-bottom:none}table.fields tbody tr:hover{background:#ffffff04}.cell-label{font-weight:600}.row-bad{background:var(--bad-bg)}.row-bad:hover{background:#fb718529}td em{color:var(--faint);font-style:normal}.legend{display:flex;gap:18px;margin-bottom:14px;font-size:13px;color:var(--muted)}.legend-chip{display:inline-flex;align-items:center}.legend-chip:before{content:"";width:12px;height:12px;border-radius:4px;margin-right:7px}.legend-chip.removed:before{background:var(--bad)}.legend-chip.added:before{background:var(--ok)}pre.diff{white-space:pre-wrap;word-break:break-word;background:var(--panel-2);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:18px;font-size:14.5px;line-height:1.75;max-height:520px;overflow:auto;font-family:ui-monospace,Cascadia Code,Consolas,monospace}.d-common{color:var(--text)}.d-removed{background:var(--bad-bg);color:#ffb3b8;text-decoration:line-through;border-radius:3px}.d-added{background:var(--ok-bg);color:#9be6bd;border-radius:3px}.link-btn{border:none;background:transparent;color:var(--brand);font-size:13.5px;font-weight:600;cursor:pointer;padding:4px 6px;border-radius:6px}.link-btn:hover{color:var(--brand-2);text-decoration:underline}.file-list{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.file-chip{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--panel-2);color:var(--muted)}.file-chip svg{color:var(--brand);flex-shrink:0}.file-name{color:var(--text);font-weight:500;font-size:14.5px;word-break:break-all;flex:1}.file-size{color:var(--faint);font-size:12.5px;white-space:nowrap}.file-remove{border:none;background:transparent;color:var(--faint);cursor:pointer;padding:4px;border-radius:7px;display:grid;place-items:center;flex-shrink:0}.file-remove:hover{color:var(--bad);background:var(--bad-bg)}.export-bar{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:14px 16px;margin-bottom:18px;border:1px solid var(--border-soft);border-radius:var(--radius-sm);background:var(--panel-2)}.export-label{color:var(--muted);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.export-bar .btn-primary{margin-left:auto;padding:11px 20px;font-size:15px}.result-files{display:flex;flex-direction:column;gap:16px}.result-file{border:1px solid var(--border-soft);border-radius:var(--radius-sm);overflow:hidden;background:var(--panel-2)}.result-file-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border-bottom:1px solid var(--border-soft);background:var(--elev)}.result-file-name{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;word-break:break-all}.result-file-name svg{color:var(--brand);flex-shrink:0}.copy-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--panel);color:var(--muted);font-size:13px;font-weight:600;padding:6px 11px;border-radius:8px;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:color .15s,border-color .15s}.copy-btn:hover{color:var(--text);border-color:var(--brand)}pre.extracted{margin:0;white-space:pre-wrap;word-break:break-word;padding:16px;font-size:14px;line-height:1.7;max-height:360px;overflow:auto;color:var(--text);font-family:ui-monospace,Cascadia Code,Consolas,monospace}.credit{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:56px;padding-top:28px;border-top:1px solid var(--border-soft);color:var(--faint);font-size:13.5px}.credit img{height:56px;width:auto;opacity:.9}