:root{color-scheme:dark;--bg:#080a0f;--panel:#10131a;--panel2:#151923;--border:#252b38;--text:#f3f5f8;--muted:#9aa3b2;--accent:#7c9cff;--accent2:#5f82ff;--danger:#ff7070;--success:#67d6a0;--shadow:0 24px 70px rgba(0,0,0,.35)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 50% -10%,#172039 0,#080a0f 38%),var(--bg);color:var(--text);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,textarea{font:inherit}button{cursor:pointer}
    a{color:inherit}.wrap{width:min(1080px,calc(100% - 32px));margin:auto}.header{padding:28px 0 18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:-.02em}.mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#9eb4ff,#5f82ff);box-shadow:0 8px 25px #5f82ff33;position:relative}.mark:after{content:"";position:absolute;inset:7px;border:2px solid #0b0d12;border-radius:5px}.top-link{font-size:13px;color:var(--muted);text-decoration:none}.top-link:hover{color:var(--text)}
    main{padding:50px 0 72px}.hero{text-align:center;max-width:780px;margin:0 auto 34px}.eyebrow{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border:1px solid var(--border);background:#ffffff05;border-radius:999px;color:#b9c3d5;font-size:12px;margin-bottom:16px}.dot{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 12px var(--success)}h1{font-size:clamp(36px,6vw,62px);line-height:1.03;letter-spacing:-.055em;margin:0 0 16px}h1 span{color:#91a9ff}.hero p{margin:0;color:var(--muted);font-size:17px}
    .tool{background:linear-gradient(180deg,#121620,#0e1118);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.toolbar{padding:14px;border-bottom:1px solid var(--border);display:flex;gap:8px;align-items:center;flex-wrap:wrap}.mode{display:flex;background:#090b10;border:1px solid var(--border);border-radius:11px;padding:3px}.mode button{border:0;background:transparent;color:var(--muted);padding:8px 13px;border-radius:8px;font-weight:700}.mode button.active{background:#202737;color:#fff;box-shadow:0 1px 2px #0008}.spacer{flex:1}.btn{border:1px solid var(--border);background:#171b25;color:#dce1eb;border-radius:10px;padding:9px 13px;font-weight:700;transition:.16s ease}.btn:hover:not(:disabled){transform:translateY(-1px);border-color:#3b4455;background:#1d2330}.btn.primary{background:var(--accent2);border-color:var(--accent2);color:white}.btn.primary:hover:not(:disabled){background:#6e8fff}.btn:disabled{opacity:.42;cursor:not-allowed}.editor{display:grid;grid-template-columns:1fr 1fr;min-height:390px}.pane{display:flex;flex-direction:column;min-width:0}.pane+ .pane{border-left:1px solid var(--border)}.pane-head{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);font-size:13px;font-weight:800}.count{color:#687286;font-weight:600}.input-wrap{position:relative;flex:1}.input,.output{width:100%;height:100%;min-height:330px;padding:18px;border:0;outline:0;resize:none;background:transparent;color:#e8ebf2;font:14px/1.7 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace}.input::placeholder{color:#596273}.output{white-space:pre-wrap;overflow:auto;color:#dce4ff}.empty{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;color:#596273;text-align:center;padding:30px}.empty strong{display:block;color:#7d8798;margin-bottom:4px}.output.has-content+.empty{display:none}.status{min-height:44px;padding:11px 16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.status.error{color:#ff9292;background:#ff5c5c08}.status.success{color:#7be2ad;background:#52d49408}.status-dot{width:7px;height:7px;border-radius:50%;background:#657084}.status.error .status-dot{background:var(--danger)}.status.success .status-dot{background:var(--success)}
    .below{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}.info{padding:24px;border:1px solid var(--border);background:#0d1016;border-radius:16px}.info h2{font-size:17px;margin:0 0 14px}.info p,.info li{color:var(--muted);font-size:14px}.info ol{padding-left:20px;margin:0}.info li+li{margin-top:7px}.faq details{border-top:1px solid var(--border);padding:12px 0}.faq details:first-of-type{border-top:0}.faq summary{cursor:pointer;font-weight:700}.faq p{margin:9px 0 0}.footer{padding:25px 0 35px;border-top:1px solid var(--border);color:#687286;text-align:center;font-size:13px}.footer a{color:#aab8df;text-decoration:none}.footer a:hover{text-decoration:underline}
    @media(max-width:760px){.wrap{width:min(100% - 20px,1080px)}.header{padding-top:18px}.top-link{display:none}main{padding-top:35px}.hero{margin-bottom:25px}.hero p{font-size:15px}.editor{grid-template-columns:1fr}.pane{min-height:300px}.pane+.pane{border-left:0;border-top:1px solid var(--border)}.input,.output{min-height:250px}.below{grid-template-columns:1fr;margin-top:30px}.toolbar{align-items:stretch}.mode{flex:1}.mode button{flex:1}.spacer{display:none}.toolbar .btn{flex:1}.btn.primary{flex:1.25}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}