*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f2f2f4;--color-surface: #ffffff;--color-border: #e0e0e3;--color-text: #1a1a1a;--color-text-secondary: #555555;--color-text-muted: #999999;--color-accent: #008c8c;--color-accent-light: rgba(0, 140, 140, .08);--color-header-bg: #2a2a2e;--color-header-text: #ffffff;--color-added: #1a7a3a;--color-removed: #c0392b;--color-added-bg: rgba(26, 122, 58, .08);--color-removed-bg: rgba(192, 57, 43, .08);--font-mono: "Consolas", "Monaco", "Courier New", monospace;--radius: 8px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);--shadow-md: 0 2px 8px rgba(0, 0, 0, .06)}html,body{height:100%;font-family:system-ui,-apple-system,sans-serif;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}#app-header{display:flex;align-items:center;gap:32px;padding:0 24px;background:var(--color-bg);border-bottom:1px solid var(--color-border);height:56px}#app-header h1{font-size:18px;font-weight:700;letter-spacing:-.3px;color:var(--color-header-bg)}#tab-bar{display:flex;gap:0;height:100%;align-items:stretch;flex:1;justify-content:center}.header-actions{flex-shrink:0}.dropdown{position:relative}.btn-download{padding:6px 14px;border:1px solid var(--color-border);border-radius:6px;background:var(--color-surface);color:var(--color-text-secondary);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s}.btn-download:hover:not(:disabled){border-color:var(--color-accent);color:var(--color-accent)}.btn-download:disabled{opacity:.4;cursor:default}.dropdown-menu{display:none;position:absolute;right:0;top:calc(100% + 4px);min-width:160px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);z-index:100;overflow:hidden}.dropdown.open .dropdown-menu{display:block}.dropdown-item{display:block;width:100%;padding:8px 14px;border:none;background:none;color:var(--color-text);font-size:13px;text-align:left;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dropdown-item:hover:not(:disabled){background:var(--color-bg)}.dropdown-item:disabled{opacity:.4;cursor:default}.tab-button{padding:0 20px;border:none;border-bottom:2px solid transparent;background:transparent;color:#444;font-size:14px;font-weight:500;cursor:pointer;transition:color .15s,border-color .15s;display:flex;align-items:center}.tab-button:hover:not(:disabled){color:var(--color-text-secondary)}.tab-button.active{color:var(--color-accent);border-bottom-color:var(--color-accent);font-weight:600}.tab-button:disabled{opacity:.3;cursor:not-allowed}.tab-sparkle{animation:sparkle-sweep 1.2s ease-out,sparkle-glow 1.2s ease-out;background-size:200% 200%}@keyframes sparkle-sweep{0%{background-image:linear-gradient(135deg,transparent 25%,rgba(59,130,246,.3) 50%,transparent 75%);background-size:200% 200%;background-position:100% 100%}50%{background-image:linear-gradient(135deg,transparent 25%,rgba(59,130,246,.3) 50%,transparent 75%);background-size:200% 200%;background-position:0% 0%}to{background-image:none;background-size:200% 200%;background-position:0% 0%}}@keyframes sparkle-glow{0%{color:#444;text-shadow:0 0 0 transparent}15%{color:#fff;text-shadow:0 0 8px rgba(59,130,246,.7),0 0 20px rgba(59,130,246,.4)}35%{color:#fff;text-shadow:0 0 4px rgba(59,130,246,.5),0 0 10px rgba(59,130,246,.2)}55%{color:#fff;text-shadow:0 0 6px rgba(59,130,246,.6),0 0 16px rgba(59,130,246,.3)}75%{color:#444;text-shadow:0 0 2px rgba(59,130,246,.3),0 0 6px rgba(59,130,246,.1)}to{color:#444;text-shadow:0 0 0 transparent}}#app{padding:24px;height:calc(100vh - 56px);overflow-y:auto}.tab-content{display:none}.tab-content.active{display:block}.placeholder{color:var(--color-text-muted);text-align:center;padding:48px;font-size:15px}.load-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}.load-supported-types{text-align:center;color:var(--color-muted, #999);font-size:.85rem;margin-top:16px}.drop-zone{position:relative;border:2px dashed var(--color-border);border-radius:var(--radius);padding:48px 24px;text-align:center;background:var(--color-surface);box-shadow:var(--shadow-sm);transition:border-color .2s,background .2s,box-shadow .2s;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.drop-zone .file-input{display:none}.drop-zone-prompt{cursor:pointer;display:flex;flex-direction:column;gap:8px}.drop-zone-label{font-size:20px;font-weight:600;color:var(--color-text)}.drop-zone-hint{color:var(--color-text-muted);font-size:14px}.drop-zone.drag-over{border-color:var(--color-accent);background:var(--color-accent-light);box-shadow:var(--shadow-md)}.drop-zone.loaded{border-style:solid;border-color:var(--color-accent)}.drop-zone.loading{border-color:var(--color-accent)}.drop-zone-loading{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--color-text-muted)}.spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:spin .8s linear infinite}.hidden{display:none!important}.font-meta{font-size:16px;color:var(--color-text)}.font-meta-details{color:var(--color-text-muted);font-size:13px;margin-top:4px}.font-meta-file{color:var(--color-text-muted);font-size:12px;margin-top:4px;word-break:break-all}.drop-zone-collection{font-size:13px;color:var(--color-text-muted)}.drop-zone-collection select{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border);border-radius:4px;padding:4px 8px;font-size:13px}.error{color:var(--color-removed)}.diff-summary{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}.badge{padding:4px 10px;border-radius:12px;font-size:12px;font-weight:600}.badge-identical{background:#1a7a3a14;color:var(--color-added)}.badge-modified{background:#b4820a1a;color:#8a6d00}.badge-only-a{background:var(--color-removed-bg);color:var(--color-removed)}.badge-only-b{background:var(--color-accent-light);color:var(--color-accent)}.badge-computing{background:#0000000d;color:var(--color-text-muted)}.diff-section-heading{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin:20px 0 8px;padding:0}.diff-section-heading:first-of-type{margin-top:0}.diff-table-section{margin-bottom:4px;border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;background:var(--color-surface);box-shadow:var(--shadow-sm)}.diff-table-header{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--color-bg);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s ease}.diff-table-header:hover{background:#00000008}.diff-loading{padding:16px;color:var(--color-text-muted);font-size:13px;text-align:center}.diff-loading:before,.badge-computing:before{content:"";display:inline-block;width:12px;height:12px;border:2px solid var(--color-border);border-top-color:var(--color-text-muted);border-radius:50%;animation:spin .6s linear infinite;margin-right:6px;vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}.table-name{font-family:var(--font-mono);font-weight:600;font-size:14px;color:var(--color-text)}.diff-line-counts{margin-left:auto;font-family:var(--font-mono);font-size:12px}.count-added{color:var(--color-added);margin-right:8px}.count-removed{color:var(--color-removed)}.diff-table-body{overflow-x:auto;max-height:500px;overflow-y:auto}.diff-side-by-side{width:100%;table-layout:fixed;border-collapse:collapse;font-family:var(--font-mono);font-size:12px;line-height:1.5}.diff-side-by-side td{padding:0 8px;white-space:pre;vertical-align:top}.line-num{width:40px;text-align:right;color:var(--color-text-muted);border-right:1px solid var(--color-border);-webkit-user-select:none;user-select:none}.diff-cell{overflow-x:auto}.diff-removed{background:var(--color-removed-bg)}.diff-added{background:var(--color-added-bg)}.diff-empty{background:#00000004}.diff-show-more{display:block;width:100%;padding:10px;margin:0;border:none;border-top:1px solid var(--color-border);background:var(--color-bg);color:var(--color-accent);font-size:13px;font-weight:500;cursor:pointer;transition:background .15s ease}.diff-show-more:hover{background:#00000008}.info-page{max-width:600px;margin:0 auto;padding:40px 20px;display:flex;flex-direction:column;gap:32px}.info-hero{text-align:center;background:var(--color-surface);padding:40px 32px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.info-title{font-size:32px;font-weight:700;letter-spacing:-.5px;color:var(--color-header-bg);margin-bottom:8px}.info-tagline{font-size:16px;font-weight:600;color:var(--color-text);margin-bottom:16px}.info-description{font-size:14px;line-height:1.6;color:var(--color-text-secondary);max-width:480px;margin:0 auto 16px}.info-version{font-size:13px;color:var(--color-text-muted)}.info-cards{display:flex;gap:16px;justify-content:center}.info-card{display:flex;flex-direction:column;align-items:center;gap:6px;padding:24px 32px;background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);text-decoration:none;color:var(--color-text-secondary);font-size:13px;text-align:center;transition:border-color .15s,box-shadow .15s;min-width:180px}.info-card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md)}.info-card strong{font-size:15px;color:var(--color-text)}.info-card-icon{font-size:28px;color:var(--color-accent)}.info-footer{text-align:center;font-size:13px;line-height:1.7;color:var(--color-text-secondary);background:var(--color-surface);padding:20px 24px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.info-footer a{color:var(--color-accent);text-decoration:none}.info-footer a:hover{text-decoration:underline}.info-card{text-align:center;font-size:13px;line-height:1.7;color:var(--color-text-secondary);background:var(--color-surface);padding:20px 24px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.info-card a{color:var(--color-accent);text-decoration:none}.info-card a:hover{text-decoration:underline}.visual-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;height:calc(100vh - 104px)}.visual-sidebar{display:flex;flex-direction:column;gap:16px;overflow-y:auto}.visual-controls{display:flex;flex-direction:column;gap:16px;background:var(--color-surface);padding:16px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.control-label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:500;color:var(--color-text-secondary)}.visual-controls textarea{padding:8px 12px;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg);color:var(--color-text);font-size:14px;font-family:inherit;resize:vertical;min-height:80px;transition:border-color .15s}.visual-controls textarea:focus{outline:none;border-color:var(--color-accent)}.size-row{display:flex;align-items:center;gap:8px}.visual-controls input[type=range]{flex:1;accent-color:var(--color-accent)}#visual-size-value{font-family:var(--font-mono);font-size:13px;color:var(--color-text-muted);min-width:48px}.visual-legend{display:flex;flex-direction:column;gap:4px;background:var(--color-surface);padding:12px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.legend-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--color-border);border-radius:6px;background:var(--color-bg);color:var(--color-text-muted);font-size:13px;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.legend-btn:hover{background:var(--color-surface);color:var(--color-text-secondary)}.legend-btn.active{border-color:var(--color-accent);background:var(--color-accent-light);color:var(--color-text)}.legend-swatch{display:inline-block;width:12px;height:12px;border-radius:3px}.swatch-a{background:#c0392b}.swatch-b{background:#2471a3}.swatch-overlap{background:linear-gradient(135deg,#c0392b 50%,#2471a3 50%)}.legend-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.visual-stats{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--color-text-secondary);background:var(--color-surface);padding:12px 16px;border-radius:var(--radius);box-shadow:var(--shadow-sm)}.stat strong{color:var(--color-accent)}.visual-preview{overflow:hidden;border-radius:var(--radius);background:var(--color-surface);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);display:flex;align-items:stretch}#visual-canvas{width:100%;height:100%;display:block}