:root{--color-bg:#f6f8f9;--color-surface:#fff;--color-surface-alt:#f0f4f5;--color-sidebar-bg:#fff;--color-sidebar-item:#48545f;--color-sidebar-muted:#74808c;--color-sidebar-hover:#f3f6f7;--color-sidebar-active:#eaf1ff;--color-accent:#2563eb;--color-accent-hover:#1d4ed8;--color-accent-dim:#eaf1ff;--color-text:#24313a;--color-text-muted:#687782;--color-border:#e1e7eb;--color-danger:#b53649;--color-success:#157d63;--color-focus-ring:#2563eb24;--font-sans:"Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono:ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--shadow-sm:0 2px 4px #1c2d3605;--shadow-md:0 20px 60px #1c2d3624;--sidebar-width:256px;--sidebar-drawer-width:320px;--mobile-header-height:68px;--transition-fast:.14s ease;--transition-med:.22s ease}html.dark{--color-bg:#202830;--color-surface:#2a3540;--color-surface-alt:#34414e;--color-sidebar-bg:#25303a;--color-sidebar-item:#d0dbe5;--color-sidebar-muted:#a6b5c4;--color-sidebar-hover:#344352;--color-sidebar-active:#354b6b;--color-accent:#93baff;--color-accent-hover:#b2ceff;--color-accent-dim:#354b6b;--color-text:#edf2f7;--color-text-muted:#b3c0cd;--color-border:#465563;--color-danger:#ffadba;--color-success:#85dfc0;--color-focus-ring:#93baff38;--shadow-sm:0 2px 8px #0910181f;--shadow-md:0 20px 60px #09101847}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}html{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}html.dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.65}body.drawer-is-open{overflow:hidden}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}button:disabled,input:disabled,select:disabled{cursor:not-allowed;opacity:.5}svg{vertical-align:middle;flex-shrink:0;width:18px;height:18px}::selection{background:var(--color-accent-dim);color:var(--color-text)}#app{height:100dvh;display:flex;overflow:hidden}#sidebar{width:var(--sidebar-width);background:var(--color-sidebar-bg);border-right:1px solid var(--color-border);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-header{flex-shrink:0;align-items:center;gap:12px;padding:20px 18px 18px;display:flex}.logo-mark{background:var(--color-accent);width:38px;height:38px;color:var(--color-surface);border-radius:11px;justify-content:center;align-items:center;display:inline-flex}.logo-mark svg{width:22px;height:22px}html.dark .logo-mark{color:#152b4c}.brand-lockup{align-items:center;gap:12px;display:flex}.brand-lockup>div{flex-direction:column;gap:3px;display:flex}.logo-text{letter-spacing:-1px;color:var(--color-text);font-size:24px;font-weight:750;line-height:1.15}.brand-caption{letter-spacing:.1px;color:var(--color-text-muted);font-size:10px}.sidebar-search{flex-shrink:0;margin:0 14px 8px;position:relative}#nav-search{background:var(--color-bg);width:100%;height:38px;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:0 58px 0 36px;font-size:12px}#nav-search::placeholder{color:var(--color-text-muted)}#nav-search:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-focus-ring);outline:none}#nav-search::-webkit-search-cancel-button{display:none}.search-icon{color:var(--color-text-muted);pointer-events:none;line-height:1;position:absolute;top:10px;left:12px}.search-icon svg{width:17px;height:17px}.search-shortcut{border:1px solid var(--color-border);font:10px / 18px var(--font-sans);color:var(--color-text-muted);pointer-events:none;border-radius:5px;padding:1px 5px;position:absolute;top:8px;right:10px}.sidebar-search:has(#nav-search:not(:placeholder-shown)) .search-shortcut{visibility:hidden}.search-clear{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--color-text-muted);cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;display:none;position:absolute;top:5px;right:6px}.search-clear:hover{background:var(--color-surface-alt);color:var(--color-text)}#tool-nav{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;flex:1;min-height:0;padding:0 10px 12px;overflow-y:auto}.nav-group+.nav-group{margin-top:6px}.nav-group-label{color:var(--color-sidebar-muted);letter-spacing:1.1px;text-transform:uppercase;padding:10px 12px 6px;font-size:9px;font-weight:650}.nav-row{border-radius:var(--radius-md);transition:background var(--transition-fast);align-items:center;margin-bottom:2px;display:flex;position:relative}.nav-row:has(.active){background:var(--color-sidebar-active)}.nav-row:hover{background:var(--color-sidebar-hover)}.nav-row:has(.is-search-highlighted){background:var(--color-sidebar-hover)}.nav-item{border-radius:var(--radius-md);min-width:0;min-height:34px;color:var(--color-sidebar-item);flex:1;align-items:center;gap:10px;padding:6px 4px 6px 12px;font-size:12px;font-weight:450;line-height:1.45;text-decoration:none;display:flex}.nav-item.active{color:var(--color-accent);font-weight:650}.nav-text{flex:1;min-width:0}.nav-label{display:block}.nav-desc{display:none}.nav-icon{width:18px;color:var(--color-sidebar-muted);justify-content:center;align-items:center;display:inline-flex}.nav-icon svg{width:17px;height:17px}.nav-item.active .nav-icon{color:var(--color-accent)}.nav-star{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--color-sidebar-muted);cursor:pointer;opacity:0;transition:opacity var(--transition-fast), color var(--transition-fast);background:0 0;border:0;flex-shrink:0;justify-content:center;align-items:center;margin-right:5px;display:inline-flex}.nav-star svg{width:14px;height:14px}.nav-row:hover .nav-star,.nav-row:focus-within .nav-star,.nav-star.is-starred{opacity:1}.nav-star:hover,.nav-star.is-starred{color:var(--color-accent)}.nav-star:where(.is-starred) svg{fill:currentColor}.nav-empty{color:var(--color-text-muted);padding:24px 12px;font-size:13px}#theme-toggle{flex-shrink:0}.theme-icon{display:inline-flex}.theme-icon svg{width:16px;height:16px}.theme-label{font-size:inherit}.drawer-close,#mobile-header,#theme-toggle-mobile,#drawer-backdrop{display:none}#tool-area{scrollbar-width:thin;scrollbar-color:var(--color-border) transparent;flex-direction:column;flex:1;min-width:0;display:flex;overflow-y:auto}.workspace-bar{border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;justify-content:space-between;align-items:center;gap:20px;min-height:52px;padding:8px 32px;display:flex}.workspace-breadcrumb{min-width:0;color:var(--color-text-muted);align-items:center;gap:12px;font-size:11px;display:flex}.workspace-breadcrumb svg{width:16px;height:16px}.workspace-category,.workspace-tool-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.workspace-tool-name{color:var(--color-text);font-weight:500}#tool-container{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:28px 32px 20px}.tool-header{margin-bottom:20px}.tool-header-row{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.tool-header-main{flex:1;min-width:0}.tool-title{color:var(--color-text);letter-spacing:-.8px;overflow-wrap:anywhere;font-size:28px;font-weight:650;line-height:1.2}.tool-description{color:var(--color-text-muted);overflow-wrap:anywhere;margin-top:8px;font-size:13px;line-height:1.65}.workspace-controls,.workspace-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.tool-help-trigger{flex-shrink:0}.mobile-credit{color:var(--color-text-muted);text-align:center;flex-direction:column;align-items:center;padding:12px 24px 16px;font-size:10px;line-height:1.9;text-decoration:none;display:flex}.mobile-credit:hover{color:var(--color-accent)}.build-info{font-family:var(--font-mono);opacity:.65;font-size:9px}.section-label{color:var(--color-text);margin-bottom:8px;font-size:12px;font-weight:600;line-height:1.6;display:block}.tool-textarea{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);width:100%;min-height:176px;color:var(--color-text);box-shadow:var(--shadow-sm);font-family:var(--font-mono);resize:vertical;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:14px 16px;font-size:13px;line-height:1.7;display:block}.tool-textarea::placeholder{color:var(--color-text-muted);opacity:.8}.tool-textarea:focus,.tool-select:focus,.result-open-select:focus,.result-open-search:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-focus-ring);outline:none}.tool-select{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:100%;min-height:40px;color:var(--color-text);padding:8px 32px 8px 12px;font-size:13px}:where(#tool-container) input[type=number],:where(#tool-container) select{border-radius:var(--radius-sm);max-width:100%;min-height:40px}:where(#tool-container) input[type=checkbox],:where(#tool-container) input[type=range]{accent-color:var(--color-accent)}.tool-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;min-height:40px;transition:background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:9px 16px;font-size:12px;font-weight:550;line-height:1.5;text-decoration:none;display:inline-flex}.btn[hidden]{display:none}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover)}html.dark .btn-primary{color:#102447}.btn-secondary{border-color:var(--color-border);background:var(--color-surface);color:var(--color-text)}.btn-secondary:hover{background:var(--color-surface-alt);border-color:var(--color-text-muted)}.workspace-actions .btn,.workspace-controls .btn{min-height:34px;padding:6px 12px;font-size:11px}.stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px;display:grid}.stat-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm);padding:14px}.stat-value{color:var(--color-text);letter-spacing:-.8px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font-size:24px;font-weight:600;line-height:1.25}.stat-label{color:var(--color-text-muted);overflow-wrap:anywhere;margin-top:6px;font-size:11px;line-height:1.5}#tool-area .tool-description a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}#tool-area .tool-description a:hover{color:var(--color-accent-hover)}.about-page{max-width:900px}.about-intro{max-width:620px;margin-bottom:24px}.about-lead{color:var(--color-accent);margin-top:10px;font-size:18px;font-weight:550}.about-copy,.about-card p{color:var(--color-text-muted);margin-top:8px;font-size:13px;line-height:1.75}.about-features,.about-details{gap:12px;display:grid}.about-features{grid-template-columns:repeat(3,minmax(0,1fr))}.about-details{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:12px}.about-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);min-width:0;padding:20px}.about-card h2{letter-spacing:-.2px;font-size:15px;font-weight:600}.about-icon{border-radius:var(--radius-md);background:var(--color-accent-dim);width:36px;height:36px;color:var(--color-accent);justify-content:center;align-items:center;margin-bottom:16px;display:inline-flex}.about-support{background:linear-gradient(135deg, var(--color-accent-dim), var(--color-surface))}.about-links{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.about-contact{min-height:44px;color:var(--color-accent);text-underline-offset:3px;overflow-wrap:anywhere;align-items:center;gap:8px;margin-top:8px;font-size:13px;text-decoration:underline;display:inline-flex}.about-contact:hover{color:var(--color-accent-hover)}.tool-output-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;margin-bottom:10px;display:flex}.tool-output-header>.section-label{margin-bottom:0}.tool-actions.tool-output-actions{justify-content:flex-end;gap:6px}.tool-output-header>.tool-output-actions{margin:0 0 0 auto}.tool-output-actions .btn{min-height:32px;color:var(--color-text-muted);background:var(--color-surface);padding:5px 10px;font-size:11px}.tool-output-actions .btn:hover{color:var(--color-accent);background:var(--color-accent-dim);border-color:var(--color-accent)}.tool-output{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);min-height:100px;color:var(--color-text);font:13px / 1.7 var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;box-shadow:var(--shadow-sm);padding:14px 16px}.td-diff-line,.line-unique{display:block}.td-diff-line-num,.td-diff-marker{color:var(--color-text-muted)}.td-diff-marker{font-weight:700}.td-diff-added{background:color-mix(in oklab, var(--color-success) 14%, transparent)}.td-diff-added .td-diff-marker{color:var(--color-success)}.td-diff-removed,.line-duplicate{background:color-mix(in oklab, var(--color-danger) 14%, transparent)}.td-diff-removed .td-diff-marker,.line-duplicate{color:var(--color-danger)}.line-duplicate{border-radius:var(--radius-sm);display:block}.tr-small-textarea{min-height:80px;max-height:160px;padding:12px 16px}.tr-find-replace{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.tr-field{min-width:0}.tr-toggle{min-height:40px;color:var(--color-text-muted);cursor:pointer;align-items:center;gap:8px;font-size:12px;display:inline-flex}.tr-toggle input[type=checkbox]{cursor:pointer;width:16px;height:16px}.tr-error{border:1px solid color-mix(in srgb, var(--color-danger) 30%, transparent);border-radius:var(--radius-md);background:color-mix(in srgb, var(--color-danger) 7%, transparent);color:var(--color-danger);margin-top:12px;padding:12px 16px;font-size:13px}.badge{border-radius:var(--radius-sm);color:var(--color-accent);background:var(--color-accent-dim);padding:3px 8px;font-size:11px;font-weight:600;display:inline-block}.tool-help-modal{z-index:400;width:100%;max-width:none;height:100dvh;max-height:none;color:var(--color-text);background:0 0;border:none;grid-template:1fr/1fr;place-items:center;display:grid;position:fixed;inset:0}.tool-help-modal::backdrop{background:0 0}.tool-help-modal[hidden]{display:none}.tool-help-modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);cursor:pointer;background:#09121973;border:none;grid-area:1/1;place-self:stretch stretch;width:100%;height:100%;min-height:100dvh}.tool-help-modal-panel{z-index:1;border:1px solid var(--color-border);background:var(--color-surface);width:min(560px,100% - 32px);max-height:min(88dvh,760px);box-shadow:var(--shadow-md);border-radius:20px;flex-direction:column;grid-area:1/1;place-self:center;margin:16px;display:flex;position:relative;overflow:hidden}.tool-help-modal-header{border-bottom:1px solid var(--color-border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;display:flex}.tool-help-modal-title{font-size:20px;font-weight:600;line-height:1.4}.tool-help-modal-close{flex-shrink:0;min-width:36px;min-height:36px;padding:6px}.tool-help-modal-body{color:var(--color-text);padding:20px;font-size:13px;line-height:1.75;overflow-y:auto}.tool-help-modal-body p{margin-bottom:12px}.tool-help-modal-body p:last-child{margin-bottom:0}.tool-help-section-label{color:var(--color-accent);letter-spacing:1px;text-transform:uppercase;margin:20px 0 8px;font-size:10px;font-weight:650;display:block}.tool-help-modal-body .tool-help-section-label:first-child{margin-top:0}.tool-help-code{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text);font:12px / 1.7 var(--font-mono);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-all;margin-top:8px;padding:12px 16px;display:block}.tool-help-url-block{flex-direction:column;align-items:flex-start;gap:8px;margin:8px 0 16px;display:flex}.tool-help-url-block .tool-help-code{width:100%;margin-top:0}.result-open-dialog{border:1px solid var(--color-border);background:var(--color-surface);width:min(460px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--color-text);box-shadow:var(--shadow-md);border-radius:20px;margin:auto;padding:24px;overflow:auto}.result-open-dialog::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#09121973}.result-open-dialog h2{letter-spacing:-.5px;margin-bottom:12px;font-size:22px;font-weight:600}.result-open-dialog p{color:var(--color-text-muted);margin-bottom:16px;font-size:13px}.result-open-select,.result-open-search{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);width:100%;min-height:44px;color:var(--color-text);font:inherit;padding:10px 12px}.result-open-search{margin-bottom:16px}.result-open-dialog .result-open-status{margin:12px 0 0}.result-open-dialog .tool-actions{justify-content:flex-end;margin-top:20px}@media (hover:none){.nav-star{opacity:1}}@media (width<=1100px){#tool-container{padding:24px 28px 20px}.workspace-bar{padding-inline:28px}.workspace-tool-name{display:none}}@media (width<=900px){#mobile-header{height:var(--mobile-header-height);border-bottom:1px solid var(--color-border);background:var(--color-surface);align-items:center;gap:8px;padding:10px 16px;display:flex}.mobile-header-logo{align-items:center;gap:10px;margin-right:auto;display:flex}.mobile-header-logo .logo-mark{border-radius:9px;width:32px;height:32px}.mobile-header-logo .logo-text{font-size:22px}#theme-toggle-mobile,#hamburger,.drawer-close{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);width:44px;height:44px;color:var(--color-text);cursor:pointer;justify-content:center;align-items:center;display:inline-flex}#theme-toggle-mobile .theme-label{display:none}.workspace-actions{gap:6px}.workspace-actions .btn{min-height:44px;padding:6px 8px}#hamburger{flex-direction:column;gap:4px}.ham-line{background:var(--color-text);width:16px;height:1.5px;transition:transform var(--transition-med), opacity var(--transition-med);border-radius:2px}#hamburger.is-open .ham-line:first-child{transform:translateY(5.5px)rotate(45deg)}#hamburger.is-open .ham-line:nth-child(2){opacity:0}#hamburger.is-open .ham-line:nth-child(3){transform:translateY(-5.5px)rotate(-45deg)}#app{height:calc(100dvh - var(--mobile-header-height))}#sidebar{z-index:600;width:min(var(--sidebar-drawer-width), calc(100vw - 40px));visibility:hidden;transition:transform var(--transition-med), visibility var(--transition-med);box-shadow:var(--shadow-md);position:fixed;inset:0 auto 0 0;transform:translate(-100%)}#sidebar.drawer-open{visibility:visible;transform:translate(0)}.sidebar-header{height:var(--mobile-header-height);min-height:var(--mobile-header-height);border-bottom:1px solid var(--color-border);gap:8px;padding:10px 16px}.drawer-close{flex-shrink:0;width:44px;height:44px}#drawer-backdrop{z-index:550;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity var(--transition-med);background:#09121973;display:block;position:fixed;inset:0}#drawer-backdrop.visible{opacity:1;pointer-events:auto}.search-shortcut{display:none}.sidebar-search{margin:12px 16px}.search-icon{top:50%;transform:translateY(-50%)}#nav-search{height:44px;padding-right:48px;font-size:16px}.nav-item{min-height:44px;font-size:13px}.nav-star{opacity:1;width:44px;height:44px}.workspace-bar{background:var(--color-bg);min-height:44px;padding:10px 24px}#tool-container{max-width:820px;padding:24px 24px 20px}.search-clear{width:44px;height:44px;top:0;right:0}#theme-toggle{display:none}}@media (width<=600px){.about-features,.about-details{grid-template-columns:minmax(0,1fr)}.about-card{padding:16px}.about-icon{margin-bottom:12px}#mobile-header{padding-inline:16px}.workspace-bar{display:none}#tool-container{padding:16px 16px 12px}.tool-header{margin-bottom:18px}.tool-title{letter-spacing:-.7px;font-size:26px}.tool-description{font-size:13px;line-height:1.6}.btn{min-height:44px;font-size:12px}.tool-textarea{min-height:168px;padding:12px;font-size:16px;line-height:1.7}.tool-select,.result-open-search,.result-open-select,#tool-container input[type=number],#tool-container select{min-height:44px;font-size:16px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.stat-card{padding:14px 12px}.stat-value{font-size:24px}.tr-find-replace{grid-template-columns:minmax(0,1fr)}.tr-small-textarea{min-height:80px}.tool-output{padding:12px;font-size:13px}.tool-output-actions .btn{min-height:44px;font-size:11px}.tool-help-modal-header,.tool-help-modal-body{padding:16px}.tool-help-modal-close{min-width:44px;min-height:44px}.result-open-dialog{padding:20px 16px}}@media (width<=360px){.mobile-header-logo .logo-text{display:none}}@media (prefers-reduced-motion:reduce){:root{--transition-fast:0s;--transition-med:0s}}