:root{color-scheme:light;--navy:#18253e;--muted:#5b6475;--amber:#966009;--amber-light:#fff6d8;--border:#d7dce5;--paper:#f6f5f0;--white:#fff;--red:#9c3927;--red-light:#fff0eb}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--navy);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer;border-radius:8px;font-size:14px;font-weight:700;padding:10px 15px;min-height:44px;border:1px solid transparent;transition:background .12s}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--navy);color:white}button.primary:hover:not(:disabled){background:#2d4268}button.secondary{background:#fff;border-color:var(--border);color:var(--navy)}button.secondary:hover:not(:disabled){background:#f2f4f7}button.quiet{background:transparent;color:var(--muted)}button.quiet:hover{background:#eceef2}button.small{padding:7px 12px;white-space:nowrap}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #d19b39;outline-offset:3px}input,textarea,select{border:1px solid #bac3d1;border-radius:7px;background:#fff;color:var(--navy);padding:10px 12px;font-size:16px;max-width:100%;min-width:0}input[type=text]{width:100%}textarea{display:block;width:100%;resize:vertical;line-height:1.8;tab-size:4}label{display:block;font-size:14px;font-weight:650;margin:0 0 6px}h1,h2,h3,p{margin-top:0}h1{font-size:22px;line-height:1.4;margin-bottom:3px}h1 span{font-size:16px;font-weight:600}h2{font-size:20px;line-height:1.45;margin:0 0 5px}h3{font-size:16px;line-height:1.5;margin:0}p{margin-bottom:10px}.app-header{max-width:1320px;margin:auto;padding:22px 28px 18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{flex-shrink:0}.brand p{font-size:14px;color:var(--muted);margin:0}.header-meta{display:flex;flex-direction:column;align-items:flex-end;gap:5px;font-size:12px;color:var(--muted)}.free-label{color:var(--amber);background:var(--amber-light);border:1px solid #ead5a2;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}main{max-width:1320px;padding:0 28px 40px;margin:auto}.workspace,.results,.share-panel,.scope-panel{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:22px;margin-bottom:20px;min-width:0}.section-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.section-top p{color:var(--muted);font-size:14px;margin:0}.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.source-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.source-card{border:1px solid var(--border);border-radius:9px;padding:14px;background:#fbfcfd;min-width:0}.source-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}.source-heading h3{display:flex;align-items:center;gap:8px}.side-tag{display:inline-block;border:1px solid #d9dfe7;border-radius:5px;background:#edf0f5;color:var(--navy);padding:1px 7px;font-size:14px}.new-source .side-tag{background:var(--amber-light);color:var(--amber);border-color:#ead5a2}.source-card input{margin-bottom:10px}.source-card textarea{height:252px;min-height:150px;background:white;font-size:16px}.source-foot{display:flex;justify-content:space-between;gap:10px;font-size:12px;line-height:1.6;color:var(--muted);margin-top:9px;overflow-wrap:anywhere}.source-foot span:last-child{text-align:right}.compare-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 0 12px}.compare-bar strong{font-size:14px}.compare-bar p{font-size:14px;color:var(--muted);margin:2px 0 0}.compare-bar button{font-size:16px;min-width:236px}.compare-bar button span{margin-left:12px}.status{font-size:14px;color:var(--muted);margin:5px 0 0;min-height:23px}.error-box{margin-top:12px;padding:13px 16px;border:1px solid #e3b4a9;border-radius:8px;background:var(--red-light);color:#8d2f21;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.filter-control{display:flex;align-items:center;gap:9px;flex-shrink:0}.filter-control label{margin:0}.filter-control select{font-size:14px;min-width:116px}.summary{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0 14px}.summary>div{display:flex;align-items:baseline;gap:7px;border:1px solid var(--border);border-radius:8px;padding:9px 17px;font-size:14px;background:#f7f9fc}.summary strong{font-size:25px;line-height:1.3;font-variant-numeric:tabular-nums}.summary .added-count{background:var(--amber-light);border-color:#e9d69f;color:#6c4b0b}.summary .deleted-count{background:var(--red-light);border-color:#edc8bd;color:#8e3323}.hint{font-size:14px;color:var(--muted);margin:10px 0 0;overflow-wrap:anywhere}.notice{background:#fff7dc;border-left:4px solid #bf872c;border-radius:3px;padding:12px 16px;font-size:14px;margin:12px 0}.notice ul{margin:0;padding-left:20px}.empty-state{text-align:center;border:1px dashed #cdd4df;border-radius:9px;padding:38px 16px;color:var(--muted)}.empty-state p{font-weight:600;color:var(--navy);margin:6px 0}.empty-state>span:last-child{font-size:14px}.empty-icon{font-size:24px;letter-spacing:.2em;color:#a48244}.no-changes{border:1px solid #cad8cc;background:#f1f8f0;padding:18px;border-radius:8px;margin:14px 0}.diff-table-wrap{margin-top:16px;border:1px solid var(--border);border-radius:8px;overflow:auto;max-height:760px}.diff-table{width:100%;border-collapse:collapse;table-layout:fixed}.diff-table th{position:sticky;top:0;z-index:1;background:var(--navy);color:white;font-size:14px;font-weight:600;text-align:left;padding:11px 14px;overflow-wrap:anywhere}.diff-table td{width:50%;vertical-align:top;padding:10px 14px;border-top:1px solid var(--border);border-right:1px solid var(--border)}.diff-table td:last-child{border-right:0}.diff-table .old.changed{background:var(--red-light)}.diff-table .new.changed{background:var(--amber-light)}.diff-table .absent{background:#f2f4f7;color:var(--muted);font-size:14px}.line-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:5px;font-size:12px;color:var(--muted)}.line-kind{font-weight:700}.line-body{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font:16px/1.8 ui-monospace,SFMono-Regular,Menlo,Consolas,"Hiragino Kaku Gothic ProN",monospace;tab-size:4;margin:0;max-height:360px;overflow:auto}.line-body del{background:#ffd5c9;color:#8b2d20;text-decoration:line-through;text-decoration-thickness:1px}.line-body ins{background:#ffdf7f;color:#574009;text-decoration:underline;text-decoration-thickness:2px}.blank-line{font-size:14px;color:var(--muted)}.share-row{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}.report-title{flex:1 1 220px}.export-actions{flex:2 1 450px}.share-notice{border-left:4px solid #b77813;background:#fff8e4;padding:10px 14px;margin:18px 0 12px;font-size:14px}details summary{cursor:pointer;font-size:14px;font-weight:700}#text-preview{margin-top:12px;font:14px/1.8 ui-monospace,monospace;white-space:pre;min-height:140px}.scope-panel{background:#fbfbf8}.scope-panel summary{font-size:16px}.scope-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;margin-top:18px}.scope-grid h3{margin-bottom:8px}.scope-grid p{font-size:14px;color:var(--muted)}footer{max-width:1320px;margin:0 auto;padding:0 28px 28px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:12px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(92vw,720px);width:max-content;background:var(--navy);color:white;padding:12px 18px;border-radius:10px;box-shadow:0 6px 24px #18253e25;font-size:14px;z-index:10}dialog{color:var(--navy);border:1px solid var(--border);border-radius:12px;padding:24px;max-width:500px;width:calc(100% - 32px)}dialog::backdrop{background:#18253e77}dialog h2{font-size:20px}dialog p{font-size:16px;white-space:pre-wrap;margin:14px 0 22px}dialog .actions{justify-content:flex-end}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}@media(max-width:950px){.app-header,main{padding-left:18px;padding-right:18px}.workspace,.results,.share-panel,.scope-panel{padding:18px}.header-meta span:last-child{display:none}.source-heading{align-items:flex-start}.source-heading h3{font-size:14px}.source-foot{display:block}.source-foot span{display:block}.source-foot span:last-child{text-align:left}.section-top{align-items:flex-start}.section-top>.actions{justify-content:flex-end}.export-actions{flex:1 1 100%}}@media(max-width:660px){.app-header{padding:18px 12px 14px;gap:10px}h1{font-size:19px}h1 span{font-size:14px}.brand{gap:8px}.brand img{width:36px;height:36px}.brand p{font-size:12px}.header-meta{display:none}main{padding:0 12px 24px}.workspace,.results,.share-panel,.scope-panel{padding:15px}.section-top{flex-wrap:wrap;gap:12px}.section-top>.actions{justify-content:flex-start}.source-grid,.scope-grid{grid-template-columns:minmax(0,1fr)}.source-card textarea{height:200px}.source-heading h3{font-size:16px}.source-foot{display:flex}.source-foot span:last-child{text-align:right}.compare-bar{flex-direction:column;align-items:stretch;gap:12px}.compare-bar button{width:100%;min-width:0}.result-top{align-items:center}.summary{gap:6px}.summary>div{gap:5px;padding:8px 10px}.summary strong{font-size:23px}.diff-table th,.diff-table td{padding:8px}.line-meta{font-size:12px;gap:4px}.line-body{font-size:16px}.share-row{gap:14px}.export-actions{display:grid;grid-template-columns:1fr 1fr;width:100%}.export-actions button:first-child{grid-column:1/-1}.export-actions button{padding:10px 8px}.scope-grid{gap:12px}footer{padding:0 14px 22px;display:block}footer span{display:block}h2{font-size:18px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

footer nav{display:flex;gap:16px;flex-wrap:wrap}footer a{color:var(--muted);text-underline-offset:3px}footer a:hover{color:var(--navy)}@media(max-width:660px){footer nav{margin-top:8px;gap:8px 16px}}