.diff-checker-module__HxtA-q__main{min-height:calc(100vh - 64px);padding-top:100px}.diff-checker-module__HxtA-q__header{text-align:center;margin-bottom:3rem}.diff-checker-module__HxtA-q__title{letter-spacing:-.02em;margin-bottom:.5rem;font-size:clamp(2rem,4vw,3rem)}.diff-checker-module__HxtA-q__subtitle{color:var(--text-secondary);max-width:500px;margin:0 auto;font-size:1rem}.diff-checker-module__HxtA-q__diffBox{max-width:1100px;box-shadow:var(--shadow-sm);border-radius:12px;margin:0 auto}.diff-checker-module__HxtA-q__toolbar{background:var(--bg-primary);border:1px solid var(--border-color);border-bottom:none;border-radius:12px 12px 0 0;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;padding:1rem 1.5rem;display:flex}.diff-checker-module__HxtA-q__toolbarLeft{gap:.5rem;display:flex}.diff-checker-module__HxtA-q__modeBtn{cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);border:1px solid var(--border-color);background:0 0;border-radius:6px;padding:.5rem 1rem;font-size:.8125rem;font-weight:600}.diff-checker-module__HxtA-q__modeBtn[data-active=true]{background:var(--text-primary);color:var(--bg-primary);border-color:var(--text-primary)}.diff-checker-module__HxtA-q__modeBtn:hover:not([data-active=true]){color:var(--text-primary);border-color:var(--border-hover)}.diff-checker-module__HxtA-q__compareBtn{background:var(--text-primary);color:var(--bg-primary);border:1px solid var(--text-primary);cursor:pointer;transition:all var(--transition-fast);border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1.25rem;font-size:.875rem;font-weight:600;display:flex}.diff-checker-module__HxtA-q__compareBtn:hover{background:var(--text-secondary);border-color:var(--text-secondary)}.diff-checker-module__HxtA-q__editorsGrid{border-left:1px solid var(--border-color);border-right:1px solid var(--border-color);grid-template-columns:1fr 1fr;display:grid}@media (max-width:768px){.diff-checker-module__HxtA-q__editorsGrid{grid-template-columns:1fr}}.diff-checker-module__HxtA-q__editorPane{flex-direction:column;display:flex}.diff-checker-module__HxtA-q__editorPane:first-child{border-right:1px solid var(--border-color)}@media (max-width:768px){.diff-checker-module__HxtA-q__editorPane:first-child{border-right:none;border-bottom:1px solid var(--border-color)}}.diff-checker-module__HxtA-q__editorLabel{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:.75rem 1rem;font-size:.75rem;font-weight:600}.diff-checker-module__HxtA-q__textarea{background:var(--bg-primary);width:100%;min-height:250px;color:var(--text-primary);resize:vertical;border:none;padding:1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.875rem;line-height:1.6}.diff-checker-module__HxtA-q__textarea:focus{outline:none}.diff-checker-module__HxtA-q__textarea::placeholder{color:var(--text-muted)}.diff-checker-module__HxtA-q__resultsArea{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:0 0 12px 12px;padding:1.5rem}.diff-checker-module__HxtA-q__statsRow{flex-wrap:wrap;gap:1.5rem;margin-bottom:1.25rem;display:flex}.diff-checker-module__HxtA-q__stat{color:var(--text-secondary);font-size:.875rem}.diff-checker-module__HxtA-q__statValue{color:var(--text-primary);font-weight:600}.diff-checker-module__HxtA-q__diffOutput{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8125rem;line-height:1.7;overflow-x:auto}.diff-checker-module__HxtA-q__diffLine{white-space:pre-wrap;word-break:break-all;border-radius:2px;padding:.125rem .75rem}.diff-checker-module__HxtA-q__diffAdded{color:#10b981;background:#10b9811a}.diff-checker-module__HxtA-q__diffRemoved{color:#ef4444;background:#ef44441a}.diff-checker-module__HxtA-q__diffUnchanged{color:var(--text-secondary)}.diff-checker-module__HxtA-q__noChanges{text-align:center;color:var(--text-muted);padding:2rem;font-size:.9375rem}.diff-checker-module__HxtA-q__seoContent{border-top:1px solid var(--border-color);text-align:center;max-width:1100px;margin:5rem auto 0;padding-top:4rem}.diff-checker-module__HxtA-q__seoContent h2{letter-spacing:-.01em;margin-bottom:1rem;font-size:1.5rem}.diff-checker-module__HxtA-q__seoContent p{color:var(--text-secondary);max-width:700px;margin:0 auto;font-size:1rem;line-height:1.6}