:root{--bg:#090b10;--panel:#11141b;--panel2:#171b23;--text:#f4f6f8;--muted:#9aa3af;--line:#272d38;--accent:#ffffff;--accentText:#080a0e;--good:#55d98b;--danger:#ff6b75;--shadow:0 20px 60px rgba(0,0,0,.28)}
:root.light{--bg:#f5f6f8;--panel:#fff;--panel2:#f0f2f5;--text:#111318;--muted:#626b78;--line:#dfe3e8;--accent:#111318;--accentText:#fff;--shadow:0 18px 50px rgba(20,25,35,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 85% -10%,#252b36 0,transparent 35%),var(--bg);color:var(--text);font:14px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}.app-shell{max-width:1500px;margin:auto;padding:0 22px}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:750;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--accentText);font-size:11px;font-weight:900}.top-actions{display:flex;align-items:center;gap:12px}.privacy-pill{font-size:12px;color:var(--muted);padding:7px 10px;border:1px solid var(--line);border-radius:999px}.privacy-pill:first-letter{color:var(--good)}.icon-btn{width:36px;height:36px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);cursor:pointer}.hero{display:flex;justify-content:space-between;align-items:end;padding:58px 4px 34px;gap:30px}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--muted);font-weight:800;margin:0 0 12px}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.02;letter-spacing:-.055em;margin:0;max-width:850px}.hero-copy{max-width:700px;color:var(--muted);font-size:16px;margin:18px 0 0}.hero-stat{min-width:110px;text-align:right}.hero-stat strong{display:block;font-size:42px;line-height:1}.hero-stat span{color:var(--muted)}.workspace{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:680px;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(17,20,27,.88);box-shadow:var(--shadow)}.sidebar{background:rgba(10,12,17,.58);border-right:1px solid var(--line);padding:14px}.search-wrap{display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:10px;background:var(--panel);height:40px;margin-bottom:14px}.search-wrap span{font-size:20px;color:var(--muted)}.search-wrap input{width:100%;background:transparent;border:0;outline:0;color:var(--text);font:inherit}.nav-group{margin:17px 4px 7px;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.tool-link{display:flex;width:100%;border:0;background:transparent;color:var(--muted);text-align:left;padding:8px 9px;border-radius:8px;cursor:pointer;font:inherit;font-size:13px;align-items:center;gap:8px}.tool-link:hover{background:var(--panel2);color:var(--text)}.tool-link.active{background:var(--accent);color:var(--accentText);font-weight:650}.tool-panel{padding:28px;min-width:0}.tool-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:22px}.category-label{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:800}.tool-head h2{font-size:27px;letter-spacing:-.035em;margin:4px 0 3px}.tool-head p{color:var(--muted);margin:0;max-width:760px}.tool-head-actions{display:flex;gap:8px;flex-shrink:0}.btn{border:1px solid var(--line);border-radius:9px;padding:9px 13px;background:var(--panel2);color:var(--text);cursor:pointer;font:inherit;font-weight:650}.btn:hover{filter:brightness(1.08)}.btn.primary{background:var(--accent);color:var(--accentText);border-color:var(--accent)}.btn.ghost{background:transparent}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.editor-card,.result-card{border:1px solid var(--line);border-radius:13px;background:var(--panel);overflow:hidden}.card-head{height:46px;padding:0 13px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:700}.textarea{display:block;width:100%;min-height:430px;padding:16px;background:transparent;border:0;resize:vertical;outline:0;color:var(--text);font:14px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}.textarea::placeholder{color:#697280}.control-row{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}.field{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px}.field input,.field select{background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 9px;outline:0}.field input:focus,.field select:focus,.search-wrap:focus-within{border-color:#727b89}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{padding:17px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}.stat strong{font-size:25px;letter-spacing:-.03em;display:block}.stat span{font-size:11px;color:var(--muted)}.result-output{white-space:pre-wrap;word-break:break-word;padding:16px;min-height:180px;max-height:500px;overflow:auto;font:13px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace}.two-pane{display:grid;grid-template-columns:1fr 1fr;gap:14px}.diff-pane{min-height:380px}.line-added{background:rgba(50,210,120,.14)}.line-removed{background:rgba(255,90,100,.14)}.match{background:rgba(255,220,80,.22)}.empty{padding:35px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:12px}.tool-note{margin-top:10px;color:var(--muted);font-size:12px}.checks{display:flex;flex-wrap:wrap;gap:14px}.checks label{display:flex;gap:6px;align-items:center;color:var(--muted);font-size:12px}.checks input{accent-color:var(--accent)}.info-section{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:30px 0}.info-card{border:1px solid var(--line);border-radius:14px;padding:22px;background:var(--panel)}.info-card h2{font-size:17px;margin:0 0 10px}.info-card p{color:var(--muted);margin:0}.info-card details{border-top:1px solid var(--line);padding:13px 0}.info-card details:first-of-type{margin-top:10px}.info-card summary{cursor:pointer;font-weight:650}.info-card details p{margin-top:8px;font-size:13px}footer{border-top:1px solid var(--line);padding:22px 4px 34px;color:var(--muted);font-size:12px}footer a{color:var(--text);font-weight:700;text-decoration:none}footer a:hover{text-decoration:underline}#toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);background:var(--accent);color:var(--accentText);padding:10px 14px;border-radius:9px;font-weight:700;opacity:0;pointer-events:none;transition:.2s;z-index:20}#toast.show{opacity:1;transform:translate(-50%,0)}.hidden{display:none!important}.code-output{min-height:250px}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{padding:9px 11px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}.data-table th{color:var(--muted)}@media(max-width:900px){.workspace{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:12px}.tool-nav-scroll{max-height:220px;overflow:auto}.tool-link{display:inline-flex;width:auto;margin:2px}.nav-group{margin-top:10px}.editor-grid,.two-pane,.info-section{grid-template-columns:1fr}.tool-panel{padding:20px}.hero{padding-top:38px}.hero-stat{display:none}}@media(max-width:560px){.app-shell{padding:0 12px}.topbar{height:62px}.privacy-pill{display:none}.hero{padding:32px 3px 24px}.hero h1{font-size:35px}.hero-copy{font-size:14px}.tool-head{display:block}.tool-head-actions{margin-top:14px}.tool-head h2{font-size:23px}.stats-grid{grid-template-columns:repeat(2,1fr)}.textarea{min-height:300px}.workspace{border-radius:13px}.tool-panel{padding:15px}}