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#0d1117;border:1px solid var(--d2h-dark-bg-color)}.d2h-dark-color-scheme .d2h-file-collapse.d2h-selected{background-color:#388bfd1a;background-color:var(--d2h-dark-selected-color)}.d2h-dark-color-scheme .d2h-file-list-wrapper a,.d2h-dark-color-scheme .d2h-file-list-wrapper a:visited{color:#3572b0;color:var(--d2h-dark-moved-label-color)}.d2h-dark-color-scheme .d2h-file-list>li{border-bottom:1px solid #0d1117;border-bottom:1px solid var(--d2h-dark-bg-color)}.d2h-dark-color-scheme .d2h-deleted{color:#f85149;color:var(--d2h-dark-del-label-color)}.d2h-dark-color-scheme .d2h-added{color:#3fb950;color:var(--d2h-dark-ins-label-color)}.d2h-dark-color-scheme .d2h-changed{color:#d29922;color:var(--d2h-dark-change-label-color)}.d2h-dark-color-scheme .d2h-moved{color:#3572b0;color:var(--d2h-dark-moved-label-color)}.d2h-dark-color-scheme .d2h-tag{background-color:#0d1117;background-color:var(--d2h-dark-bg-color)}.d2h-dark-color-scheme .d2h-deleted-tag{border:1px solid #f85149;border:1px solid var(--d2h-dark-del-label-color)}.d2h-dark-color-scheme .d2h-added-tag{border:1px solid #3fb950;border:1px solid var(--d2h-dark-ins-label-color)}.d2h-dark-color-scheme .d2h-changed-tag{border:1px solid #d29922;border:1px solid var(--d2h-dark-change-label-color)}.d2h-dark-color-scheme .d2h-moved-tag{border:1px solid #3572b0;border:1px solid var(--d2h-dark-moved-label-color)}@media(prefers-color-scheme:dark){.d2h-auto-color-scheme{background-color:#0d1117;background-color:var(--d2h-dark-bg-color);color:#e6edf3;color:var(--d2h-dark-color)}.d2h-auto-color-scheme .d2h-file-header{background-color:#161b22;background-color:var(--d2h-dark-file-header-bg-color);border-bottom:#30363d;border-bottom:var(--d2h-dark-file-header-border-color)}.d2h-auto-color-scheme .d2h-lines-added{border:1px solid rgba(46,160,67,.4);border:1px solid var(--d2h-dark-ins-border-color);color:#3fb950;color:var(--d2h-dark-ins-label-color)}.d2h-auto-color-scheme .d2h-lines-deleted{border:1px solid 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12px;font-size:.95rem;font-weight:500;letter-spacing:-.01em}.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--radius-pill);padding:8px 16px;min-height:36px;background:var(--primary);color:var(--on-primary);font-size:.875rem;font-weight:500;line-height:1.2;transition:background .15s ease,border-color .15s ease}.content a:not(.btn):not(.nav-link):not(.tool-card){color:var(--link)}.content a:not(.btn):not(.nav-link):not(.tool-card):hover{color:var(--link-deep);text-decoration:underline}.btn:hover{background:var(--primary-hover)}.btn:active{background:var(--primary-focus)}.btn-secondary{background:var(--surface);border-color:var(--border);color:var(--text)}.btn-secondary:hover{background:var(--surface-2);border-color:var(--hairline-strong)}.code-editor,.result-panel{width:100%;min-height:220px;border:1px solid var(--border);border-radius:var(--radius-md);padding:12px;resize:vertical;background:var(--surface-2);color:var(--text);font-family:var(--mono);font-size:.875rem;line-height:1.5}.result-panel{white-space:pre-wrap;word-break:break-word}.form-row{display:grid;gap:12px;margin-bottom:12px}.form-row.two-col{grid-template-columns:120px 1fr}label{display:block;margin-bottom:6px;color:var(--muted);font-size:.875rem}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;min-height:40px;background:var(--surface);color:var(--text)}input::placeholder,textarea::placeholder{color:var(--muted)}select{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.error-text{color:var(--danger);margin-top:8px}.meta-line{color:var(--muted);font-size:.875rem;margin-bottom:12px}@media(max-width:1024px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.content{padding:32px 28px 48px}}@media(max-width:768px){.layout{grid-template-columns:1fr}.mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;z-index:40;height:56px;padding:0 16px;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.mobile-bar .brand{margin:0;align-items:center}.mobile-bar .brand-mark{margin-top:0}.mobile-bar h1{font-size:.95rem}.menu-toggle{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:8px 12px;font-size:.875rem;font-weight:500}.sidebar{position:fixed;top:0;left:0;z-index:60;width:min(280px,86vw);height:100vh;transform:translate(-105%);transition:transform .2s ease;padding-top:16px}.layout.nav-open .sidebar{transform:translate(0)}.sidebar-close{display:block;align-self:flex-end;margin:0 4px 12px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);border-radius:var(--radius-sm);padding:6px 10px;font-size:.8rem}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#17171759;opacity:0;pointer-events:none;transition:opacity .2s ease}.layout.nav-open .sidebar-backdrop{opacity:1;pointer-events:auto}.content{padding:24px 16px 48px}.home-hero{padding:32px 20px 28px}.home-hero h1{font-size:2rem}.tool-grid,.form-row.two-col{grid-template-columns:1fr}}