*,:before,:after{box-sizing:border-box}:root{--bg:#0a0e14;--surface:#131920;--surface-2:#1a2230;--surface-3:#212d3b;--border:#2a3545;--text:#d1d9e0;--text-h:#f0f6fc;--text-muted:#6b7d8e;--accent:#5ea4f5;--accent-glow:#5ea4f526;--green:#4ae08a;--green-bg:#4ae08a1a;--green-border:#4ae08a4d;--red:#f56565;--red-bg:#f565651a;--red-border:#f565654d;--yellow:#f5c842;--yellow-bg:#f5c84214;--yellow-border:#f5c8424d;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;--radius:10px;--radius-sm:6px;--shadow:0 2px 12px #0000004d;--transition:.2s cubic-bezier(.4, 0, .2, 1)}html{font:14px/1.5 var(--font-sans);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}body{margin:0}h1,h2,h3{color:var(--text-h);margin:0}a{color:var(--accent)}.app{max-width:1280px;min-height:100vh;margin:0 auto;padding:32px 20px}.header{text-align:center;margin-bottom:40px}.logo{align-items:center;gap:12px;margin-bottom:8px;display:inline-flex}.logo-icon{color:var(--accent);filter:drop-shadow(0 0 8px var(--accent-glow))}.header h1{letter-spacing:-1px;background:linear-gradient(135deg, var(--accent), #a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:32px;font-weight:800}.subtitle{color:var(--text-muted);font-size:15px}.upload-state{max-width:720px;margin:0 auto}.upload-area{grid-template-columns:1fr auto 1fr;align-items:center;gap:0;display:grid}.upload-vs{background:var(--surface);border:1px solid var(--border);color:var(--text-muted);border-radius:24px;justify-content:center;align-items:center;padding:8px 16px;display:flex}.btn-both{color:var(--accent);cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:0;font-family:inherit;font-size:12px;font-weight:600}.btn-both:hover{text-decoration:underline}.upload-box{border:2px dashed var(--border);border-radius:var(--radius);cursor:pointer;transition:all var(--transition);text-align:center;background:var(--surface);flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:200px;padding:40px 24px;display:flex;position:relative}.upload-box:hover{border-color:var(--accent);background:var(--accent-glow);box-shadow:var(--shadow);transform:translateY(-2px)}.upload-box.drag-over{border-color:var(--accent);background:var(--accent-glow);box-shadow:0 0 24px var(--accent-glow);transform:scale(1.02)}.upload-box--filled{border-style:solid;border-color:var(--green-border);background:var(--green-bg)}.upload-box--filled:hover{border-color:var(--green);background:var(--green-bg)}.upload-icon{color:var(--text-muted);opacity:.6;transition:all var(--transition)}.upload-box:hover .upload-icon{color:var(--accent);opacity:1}.upload-title{color:var(--text-h);font-size:15px;font-weight:600}.upload-hint{color:var(--text-muted);font-size:13px}.upload-filename{color:var(--text-h);font-size:14px;font-weight:600;font-family:var(--font-mono);word-break:break-all}.upload-loaded{color:var(--green);align-items:center;gap:4px;font-size:12px;font-weight:500;display:inline-flex}.upload-loaded:before{content:"";background:var(--green);border-radius:50%;width:6px;height:6px;display:inline-block}.upload-remove{background:var(--surface-2);width:24px;height:24px;color:var(--text-muted);cursor:pointer;transition:all var(--transition);border:none;border-radius:50%;justify-content:center;align-items:center;display:flex;position:absolute;top:8px;right:8px}.upload-remove:hover{background:var(--red-bg);color:var(--red)}.upload-actions{text-align:center;margin-top:24px}.or-divider{color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:20px 0;font-size:12px;position:relative}.or-divider:before,.or-divider:after{content:"";background:var(--border);width:calc(50% - 24px);height:1px;position:absolute;top:50%}.or-divider:before{left:0}.or-divider:after{right:0}.btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;transition:all var(--transition);justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-family:inherit;font-size:14px;display:inline-flex}.btn:hover{background:var(--surface-2);border-color:var(--text-muted)}.btn-sample{background:linear-gradient(135deg, var(--accent), #7c6cf5);color:#fff;border-radius:var(--radius);border:none;padding:10px 24px;font-size:14px;font-weight:600;box-shadow:0 2px 12px #5ea4f540}.btn-sample:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px #5ea4f559}.btn-small{padding:6px 12px;font-size:12px}.paste-option{text-align:left;margin-top:24px}.paste-option summary{cursor:pointer;color:var(--text-muted);transition:color var(--transition);padding:8px 0;font-size:13px}.paste-option summary:hover{color:var(--text)}.paste-fields{grid-template-columns:1fr 1fr;gap:16px;margin-top:12px;display:grid}.paste-col{flex-direction:column;gap:6px;display:flex}.paste-col label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;font-weight:600}.paste-col textarea{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);font-family:var(--font-mono);resize:vertical;transition:border-color var(--transition);padding:10px;font-size:12px}.paste-col textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.toolbar{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:16px;display:flex}.toolbar-left{flex:1;min-width:180px}.toolbar-center{flex:1;min-width:200px}.toolbar-right{align-items:center;gap:12px;display:flex}.stat-pills{flex-wrap:wrap;gap:6px;display:flex}.pill{font-size:11px;font-weight:600;font-family:var(--font-mono);letter-spacing:.3px;border-radius:20px;align-items:center;padding:3px 10px;display:inline-flex}.pill--total,.pill--equal{background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border)}.pill--changed{background:var(--yellow-bg);color:var(--yellow);border:1px solid var(--yellow-border)}.pill--added{background:var(--green-bg);color:var(--green);border:1px solid var(--green-border)}.pill--removed{background:var(--red-bg);color:var(--red);border:1px solid var(--red-border)}.search-wrap{position:relative}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:10px;transform:translateY(-50%)}.search{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);width:100%;color:var(--text);transition:all var(--transition);padding:7px 12px 7px 32px;font-family:inherit;font-size:13px}.search:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.toggle{color:var(--text-muted);cursor:pointer;white-space:nowrap;align-items:center;gap:8px;font-size:13px;display:flex}.toggle input{display:none}.toggle-slider{background:var(--surface-3);width:32px;height:18px;transition:background var(--transition);border:1px solid var(--border);border-radius:9px;position:relative}.toggle-slider:after{content:"";background:var(--text-muted);width:12px;height:12px;transition:all var(--transition);border-radius:50%;position:absolute;top:2px;left:2px}.toggle input:checked+.toggle-slider{background:var(--accent-glow);border-color:var(--accent)}.toggle input:checked+.toggle-slider:after{background:var(--accent);transform:translate(14px)}.diff-header{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;border-bottom:none;grid-template-columns:60px 200px 1fr 1fr;gap:0;padding:10px 16px;font-size:11px;font-weight:700;display:grid}.diff-header-name{text-align:center;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.diff-body{border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);background:var(--surface);max-height:72vh;overflow:auto}.diff-row{border-top:1px solid var(--border);transition:background var(--transition);grid-template-columns:60px 200px 1fr 1fr;gap:0;font-size:13px;display:grid}.diff-row:first-child{border-top:none}.diff-row:hover{background:var(--surface-2)!important}.line-number{font-family:var(--font-mono);color:var(--text-muted);background:var(--surface);border-right:1px solid var(--border);font-variant-numeric:tabular-nums;border-left:3px solid #0000;justify-content:center;align-items:center;padding:10px 4px;font-size:12px;display:flex}.line-time{font-family:var(--font-mono);color:var(--text-muted);background:var(--surface);border-right:1px solid var(--border);white-space:nowrap;align-items:center;padding:10px 12px;font-size:11px;display:flex}.line-content{border-right:1px solid var(--border);word-break:break-word;white-space:pre-wrap;padding:10px 14px;font-size:13px;line-height:1.6}.line-content:last-child{border-right:none}.diff-row--equal .line-number{border-left-color:var(--border)}.diff-row--changed .line-number{border-left-color:var(--yellow)}.diff-row--changed{background:var(--yellow-bg)}.diff-row--added .line-number{border-left-color:var(--green)}.diff-row--added{background:var(--green-bg)}.diff-row--removed .line-number{border-left-color:var(--red)}.diff-row--removed{background:var(--red-bg)}.diff-row--added .line-left,.diff-row--removed .line-right{background:#0000001f}.char-diff--del{background:#f565654d;border-radius:2px;padding:1px 0}.char-diff--add{background:#4ae08a4d;border-radius:2px;padding:1px 0}.no-results{text-align:center;color:var(--text-muted);flex-direction:column;align-items:center;gap:12px;padding:48px 32px;display:flex}.no-results svg{opacity:.4}.no-results p{margin:0;font-size:14px}@media (width<=900px){.diff-header,.diff-row{grid-template-columns:48px 1fr 1fr}.hide-mobile{display:none}.upload-area{grid-template-columns:1fr;gap:12px}.upload-vs{margin:0 auto}.paste-fields{grid-template-columns:1fr}.toolbar{flex-direction:column;align-items:stretch}.toolbar-left,.toolbar-center{min-width:0}}