:root { --bg:#0a0c0b; --panel:#111411; --line:#293029; --ink:#f4f6ef; --muted:#929b90; --accent:#b8ff3d; --danger:#ff775f; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC",sans-serif; }
body::before { content:""; position:fixed; inset:0; pointer-events:none; opacity:.25; background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px); background-size:48px 48px; }
main { position:relative; width:min(1180px,calc(100% - 40px)); margin:auto; padding:32px 0 48px; }
.hero { min-height:440px; display:grid; grid-template-columns:1fr 2fr; grid-template-rows:auto 1fr auto; border-top:1px solid var(--line); }
.brand { color:var(--ink); text-decoration:none; font:700 12px/1 monospace; letter-spacing:.12em; padding-top:22px; }
.hero-copy { grid-column:2; align-self:center; padding:70px 0 50px; }
.eyebrow { margin:0 0 20px; color:var(--accent); font:700 11px/1 monospace; letter-spacing:.2em; }
h1 { margin:0; font-size:clamp(52px,7.3vw,102px); line-height:.92; letter-spacing:-.065em; font-weight:650; }
h1 span { color:var(--muted); }
.lede { max-width:650px; margin:34px 0 0; color:#b8beb5; font-size:17px; line-height:1.75; }
.privacy { grid-column:2; display:flex; align-items:center; gap:10px; color:var(--muted); font-size:13px; padding-bottom:28px; }
.privacy span { width:7px; height:7px; border-radius:50%; background:var(--accent); box-shadow:0 0 15px var(--accent); }
form { display:grid; grid-template-columns:1fr 1fr; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.panel { min-width:0; padding:32px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:rgba(17,20,17,.76); }
.panel-wide { grid-column:1/-1; }
.step { display:flex; gap:20px; margin-bottom:26px; }
.step>span { color:var(--accent); font:700 11px/1 monospace; padding-top:6px; }
h2 { margin:0; font-size:24px; letter-spacing:-.03em; }
.step p { margin:6px 0 0; color:var(--muted); font-size:13px; }
textarea,input,select { width:100%; border:1px solid #343b34; border-radius:0; background:#090b09; color:var(--ink); font:14px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace; outline:none; transition:border-color .2s,box-shadow .2s; }
textarea { resize:vertical; min-height:116px; padding:17px 18px; }
textarea:focus,input:focus,select:focus { border-color:var(--accent); box-shadow:0 0 0 1px var(--accent); }
textarea::placeholder,input::placeholder { color:#596057; }
.field-foot { display:flex; justify-content:space-between; margin-top:12px; color:#737c72; font:11px/1.4 monospace; }
.text-button { border:0; background:none; color:var(--muted); cursor:pointer; }
.fields { display:grid; grid-template-columns:1fr 1fr; gap:18px; }
label { display:grid; gap:8px; color:#abb2a8; font-size:12px; }
input,select { height:47px; padding:0 13px; font-family:inherit; }
.rule-options { grid-column:1/-1; margin:22px 0 0; padding:0; border:0; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.rule-options legend { margin-bottom:10px; color:var(--muted); font-size:12px; }
.rule-options label { display:flex; align-items:center; gap:10px; min-height:54px; padding:10px 12px; border:1px solid #343b34; background:#090b09; cursor:pointer; }
.rule-options input { width:17px; height:17px; accent-color:var(--accent); }
.rule-options span { display:flex; flex:1; justify-content:space-between; align-items:center; gap:8px; color:var(--ink); }
.rule-options small { color:var(--accent); font:9px/1 monospace; }
.rule-source-note { grid-column:1/-1; margin:2px 0 0; color:#737c72; font-size:11px; line-height:1.6; }
.converter-options { grid-column:1/-1; margin-top:22px; padding:16px; border:1px solid #4b3d25; background:#151108; }
.converter-options>label:first-child { max-width:620px; }
.converter-options .consent { display:flex; grid-template-columns:18px 1fr; align-items:center; gap:10px; margin-top:14px; cursor:pointer; }
.converter-options .consent input { width:17px; height:17px; accent-color:var(--accent); }
.converter-options p { margin:10px 0 0 28px; color:#a99978; font-size:11px; }
.import-help { margin:0 0 18px; padding:12px 14px; border-left:3px solid var(--accent); background:rgba(198,255,61,.06); color:var(--muted); font-size:13px; line-height:1.6; }
.rule-tabs { display:flex; gap:8px; margin-bottom:12px; }
.rule-tabs button { border:1px solid #343b34; background:transparent; color:var(--muted); padding:8px 12px; font:700 11px/1 monospace; cursor:pointer; }
.rule-tabs button.active { background:var(--accent); color:#10140c; border-color:var(--accent); }
.rule-input { display:none; }
.rule-input.active { display:block; }
.result-panel { grid-column:1/-1; display:flex; justify-content:space-between; align-items:center; gap:30px; padding:34px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:#171b16; }
.result-panel .eyebrow { margin-bottom:11px; }
.result-panel p:last-child { margin:8px 0 0; color:var(--muted); font-size:13px; }
.primary { min-width:210px; height:60px; padding:0 22px; display:flex; justify-content:space-between; align-items:center; border:0; background:var(--accent); color:#10140c; font-weight:750; cursor:pointer; }
.primary:hover { filter:brightness(.92); }
.primary span { font-size:22px; }
#messages { grid-column:1/-1; color:var(--danger); font:13px/1.6 monospace; }
#messages:not(:empty) { padding:20px 32px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); }
.output-panel { grid-column:1/-1; padding:32px; border-right:1px solid var(--line); border-bottom:1px solid var(--line); background:#0d100d; }
.output-head,.box-title { display:flex; justify-content:space-between; align-items:center; gap:18px; }
.output-actions { display:flex; gap:8px; }
.output-actions button { min-height:42px; padding:0 15px; border:1px solid #3a4438; background:transparent; color:var(--ink); cursor:pointer; }
.output-actions button:hover { border-color:var(--accent); color:var(--accent); }
.output-grid { display:grid; grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr); gap:18px; margin-top:24px; }
.preview-box,.qr-box { min-width:0; border:1px solid var(--line); background:#080a08; }
.box-title { min-height:50px; padding:0 14px; border-bottom:1px solid var(--line); color:var(--muted); font:11px/1 monospace; }
.box-title select { width:auto; max-width:190px; height:34px; padding:0 8px; }
#config-preview { height:390px; margin:0; padding:18px; overflow:auto; white-space:pre; color:#cbd3c7; font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,monospace; }
.qr-box { text-align:center; }
#qr-code { display:block; width:min(320px,calc(100% - 36px)); height:auto; margin:24px auto 16px; background:#fff; }
#qr-help { margin:0 auto 24px; max-width:330px; padding:0 18px; color:var(--muted); font-size:11px; line-height:1.65; }
footer { display:flex; justify-content:space-between; padding:26px 0; color:#697167; font:11px/1 monospace; text-transform:uppercase; letter-spacing:.1em; }
footer a { color:inherit; text-decoration:none; }
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
@media (max-width:760px) { main{width:min(100% - 24px,1180px);padding-top:18px}.hero{display:block;min-height:auto}.brand{display:block}.hero-copy{padding:80px 0 50px}.privacy{padding-bottom:24px}form{display:block}.panel{padding:24px}.fields,.rule-options,.output-grid{grid-template-columns:1fr}.result-panel,.output-head{align-items:stretch;flex-direction:column;padding:26px}.output-panel{padding:20px}.output-actions{display:flex}.output-actions button{flex:1}.primary{width:100%}h1{font-size:15vw}.lede{font-size:15px}footer{font-size:9px} }