:root{--bg:#0b1220;--panel:#111c2e;--panel2:#17243a;--line:#263750;--text:#e8eef8;--muted:#9eafc7;--brand:#64d7c3;--brand2:#77a9ff;--warn:#ffd27d;--danger:#ff8d9b;--radius:18px;--shadow:0 18px 50px #02081766}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(900px 500px at 85% -10%,#18334a 0%,transparent 65%),var(--bg);color:var(--text);font:16px/1.6 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}button,input,textarea,select{font:inherit}button,.btn{border:0;border-radius:12px;padding:11px 16px;background:var(--brand);color:#06231f;font-weight:750;cursor:pointer}button:hover,.btn:hover{filter:brightness(1.08);text-decoration:none}button.secondary,.btn.secondary{background:#263a55;color:var(--text)}button.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--brand2);outline-offset:2px}
.wrap{width:min(1120px,calc(100% - 36px));margin:auto}.topbar{position:sticky;top:0;z-index:10;background:#0b1220eF;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font-size:1.25rem;font-weight:900;letter-spacing:-.04em;color:var(--text)}.logo b{color:var(--brand)}.navlinks{display:flex;gap:20px;align-items:center}.navlinks a{color:var(--muted);font-size:.94rem}.menu{display:none}
.hero{padding:76px 0 48px}.eyebrow{color:var(--brand);font-size:.78rem;text-transform:uppercase;letter-spacing:.15em;font-weight:800}.hero h1{font-size:clamp(2.4rem,6vw,4.7rem);line-height:1.02;letter-spacing:-.055em;max-width:850px;margin:15px 0}.hero p{color:var(--muted);font-size:1.15rem;max-width:720px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:35px;color:var(--muted);font-size:.9rem}.stats strong{color:var(--text)}
.section{padding:38px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.section h2{font-size:1.8rem;letter-spacing:-.035em;margin:0}.section-head p{color:var(--muted);margin:5px 0 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:linear-gradient(145deg,#142238,#101a2a);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}.tool-card{transition:transform .2s,border-color .2s}.tool-card:hover{transform:translateY(-3px);border-color:#4a8b88}.tool-icon{width:42px;height:42px;border-radius:12px;background:#1b3b47;display:grid;place-items:center;color:var(--brand);font-weight:900;margin-bottom:14px}.card h3{margin:0 0 7px;font-size:1.12rem}.card p{margin:0;color:var(--muted);font-size:.94rem}.tag{display:inline-block;margin-top:15px;color:#b6c7df;font-size:.78rem;background:#203149;border-radius:30px;padding:4px 9px}
.notice{border:1px solid #2b5b58;background:#102b2c;border-radius:14px;padding:15px 17px;color:#c8e9e4}.ad-slot{border:1px dashed #40506a;border-radius:14px;min-height:90px;display:grid;place-items:center;color:#7588a3;font-size:.8rem;margin:26px 0;text-align:center;padding:12px}
.pagehead{padding:45px 0 20px}.pagehead h1{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.04em;margin:7px 0}.pagehead p{color:var(--muted);max-width:760px}
.workspace{display:grid;grid-template-columns:1fr 1fr;gap:16px}.pane{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;min-width:0}.pane h2,.pane h3{margin:0 0 12px;font-size:1rem}.field{display:flex;flex-direction:column;gap:7px;margin:12px 0}.field label{color:#c7d4e7;font-size:.88rem;font-weight:650}.field input,.field textarea,.field select,.editor{width:100%;background:#091321;border:1px solid #30435e;color:var(--text);border-radius:10px;padding:12px;min-width:0}.field textarea,.editor{min-height:220px;resize:vertical;font: .9rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace}.editor.output{background:#0a1820}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.row>*{flex:0 0 auto}.result{white-space:pre-wrap;overflow-wrap:anywhere;background:#091321;border:1px solid #30435e;border-radius:10px;padding:14px;min-height:110px;color:#d7e6f8;font: .9rem/1.55 ui-monospace,monospace}.status{margin-top:10px;color:var(--muted);font-size:.88rem}.status.ok{color:var(--brand)}.status.error{color:var(--danger)}.hint{font-size:.85rem;color:var(--muted)}.guide{max-width:800px}.guide h2{margin-top:28px}.guide li{margin:7px 0}.steps{counter-reset:step;list-style:none;padding:0}.steps li{counter-increment:step;margin:14px 0;padding-left:42px;position:relative}.steps li:before{content:counter(step);position:absolute;left:0;top:0;background:#1b3b47;color:var(--brand);width:28px;height:28px;border-radius:9px;text-align:center;font-weight:800}
footer{border-top:1px solid var(--line);margin-top:70px;padding:30px 0;color:var(--muted);font-size:.88rem}.footerlinks{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:12px}.footerlinks a{color:#bdcbe0}
@media(max-width:800px){.grid{grid-template-columns:repeat(2,1fr)}.workspace{grid-template-columns:1fr}.navlinks{display:none}.menu{display:block}.hero{padding-top:52px}}
@media(max-width:540px){.grid{grid-template-columns:1fr}.wrap{width:min(100% - 26px,1120px)}.hero h1{font-size:2.55rem}.section-head{display:block}.stats{gap:14px}}

/* FlowTools visual refresh: graphite + electric yellow */
:root{--bg:#111315;--panel:#1b1f23;--panel2:#292f35;--line:#3a424a;--text:#f2f4f5;--muted:#a7b0b8;--brand:#ffd43b;--brand2:#fff0a6;--warn:#ffd43b;--danger:#ff7373;--radius:16px;--shadow:0 18px 46px #0009;--accent-soft:#3a3217}
body{background:radial-gradient(850px 440px at 88% -12%,#393116 0%,transparent 65%),radial-gradient(650px 420px at -12% 35%,#252a2f 0%,transparent 70%),var(--bg)}
a{color:var(--brand)}
.topbar{background:#111315ed;border-bottom-color:#343a40}
.logo b,.eyebrow{color:var(--brand)}
.navlinks a:hover,.footerlinks a:hover{color:var(--brand)}
button,.btn{background:var(--brand);color:#171717;box-shadow:0 5px 18px #ffd43b20;transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}
button:hover,.btn:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 8px 24px #ffd43b30}
button.secondary,.btn.secondary{background:#343b42;color:var(--text);box-shadow:0 5px 18px #0003}
button.ghost{background:#20252a;color:var(--text);border:1px solid #4a535c}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.card{background:linear-gradient(145deg,#22282e,#191d21);border-color:#343c44;box-shadow:0 16px 38px #0006}
.tool-card:hover{border-color:#c5a62d;box-shadow:0 20px 48px #0009,0 0 0 1px #ffd43b20}
.tool-icon{background:#3a3217;color:var(--brand);border:1px solid #6e5b1b}
.tag{color:#ffe58a;background:#353018;border:1px solid #5c4c1c}
.notice{border-color:#62521b;background:linear-gradient(120deg,#282414,#1d1e1b);color:#f2e7b9;box-shadow:0 10px 28px #0004}
.pane{background:linear-gradient(145deg,#20262c,#191e23);border-color:#3a424a;box-shadow:var(--shadow)}
.field label{color:#d5d9dc}
.field input,.field textarea,.field select,.editor,.result{background:#111518;border-color:#414a52;color:var(--text)}
.field input:focus,.field textarea:focus,.field select:focus{border-color:#d4b22e;box-shadow:0 0 0 3px #ffd43b18;outline:0}
.editor.output{background:#141a1e}
.status.ok{color:#9be0ad}.status.error{color:#ff8585}
.steps li:before{background:#3a3217;color:var(--brand)}
.ad-slot{border-color:#57502e;color:#9b916b;background:#191a17}
footer{border-top-color:#343a40}

/* Lightweight syntax-highlighted code fields (no third-party dependency) */
.code-editor{position:relative;isolation:isolate;overflow:hidden;border:1px solid #414a52;border-radius:10px;background:#111518;min-width:0}
.code-editor:focus-within{border-color:#d4b22e;box-shadow:0 0 0 3px #ffd43b18}
.code-editor .code-highlight{position:absolute;inset:0;margin:0;padding:12px;overflow:hidden;pointer-events:none;white-space:pre-wrap;overflow-wrap:break-word;word-break:normal;color:#d7dde2;font: .9rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}
.code-editor textarea{position:relative;z-index:1;display:block;width:100%;min-height:220px;margin:0;padding:12px;border:0!important;border-radius:0!important;background:transparent!important;color:transparent!important;-webkit-text-fill-color:transparent;caret-color:#ffd43b;font: .9rem/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2;white-space:pre-wrap;overflow-wrap:break-word;resize:vertical;outline:0!important;box-shadow:none!important}
.code-editor textarea::selection{background:#ffd43b55;color:transparent}
.code-editor textarea::placeholder{color:#7d8790;-webkit-text-fill-color:#7d8790}
.code-editor .tok-key{color:#ffd43b}.code-editor .tok-string{color:#8fe0ae}.code-editor .tok-number{color:#79baff}.code-editor .tok-bool{color:#c4a0ff}.code-editor .tok-punct{color:#a7b0b8}
.code-editor.readonly{background:#151b1f}
@media(max-width:800px){.code-editor textarea{min-height:200px}}