:root{
  --paper:#FBFBF9; --ink:#15171C; --muted:#6B7280; --line:#E6E5DF;
  --accent:#5B4BE8; --accent-ink:#4636D6; --accent-soft:#EEEBFC;
  --ok:#0E9F6E; --bad:#B4322A;
  --shadow:0 1px 2px rgba(20,23,28,.05),0 8px 30px rgba(20,23,28,.06);
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:'Inter',system-ui,sans-serif; line-height:1.5;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(var(--line) 1px,transparent 1px);
  background-size:22px 22px; background-position:-1px -1px;
}
a{color:inherit}

/* ---- Layout mit Werbe-Säulen (die "toten Bereiche") ---- */
.page{display:grid; grid-template-columns:160px minmax(0,1180px) 160px;
  justify-content:center; gap:24px; padding:0 20px; max-width:1600px; margin:0 auto}
.rail{padding-top:80px}
.rail-inner{position:sticky; top:20px}
.main{min-width:0; padding-bottom:10px}
@media(max-width:1200px){ .page{grid-template-columns:minmax(0,1000px); justify-content:center} .rail{display:none} }

.topbar{display:flex; align-items:center; justify-content:space-between; padding:22px 0 8px}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:20px; letter-spacing:-.02em}
.mark{width:26px; height:26px; border-radius:7px; background:var(--accent); position:relative;
  box-shadow:inset 0 0 0 3px var(--paper),inset 0 0 0 4px var(--accent)}
.mark::after{content:""; position:absolute; inset:8px; background:var(--paper); border-radius:2px}
.badge{font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--muted);
  border:1px solid var(--line); border-radius:999px; padding:5px 10px; background:#fff}

h1{font-family:'Space Grotesk',sans-serif; font-size:clamp(28px,5vw,40px); line-height:1.05;
  letter-spacing:-.03em; margin:26px 0 8px; font-weight:700}
h1.h1-sm{font-size:clamp(24px,4vw,30px)}
.lede{color:var(--muted); max-width:56ch; margin:0 0 22px; font-size:16px}
.lede strong{color:var(--ink); font-weight:600}

.notice{border-radius:10px; padding:11px 14px; margin:0 0 18px; font-size:14px}
.notice.ok{background:#E7F6EE; color:#0B7A54; border:1px solid #BFE6D3}
.notice.bad{background:#FBEAE8; color:var(--bad); border:1px solid #F1C9C4}

/* ---- Tool ---- */
.app{display:grid; grid-template-columns:1.1fr 1fr; gap:18px; align-items:start}
@media(max-width:820px){.app{grid-template-columns:1fr}}
.card{background:#fff; border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow)}
.stage{min-height:300px; display:flex; align-items:center; justify-content:center; padding:22px}
.stage form{width:100%}
.drop{border:2px dashed var(--line); border-radius:12px; width:100%; min-height:256px;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px;
  text-align:center; padding:28px; transition:.16s; cursor:pointer}
.drop.hot{border-color:var(--accent); background:var(--accent-soft)}
.drop svg{width:38px; height:38px; color:var(--accent)}
.drop b{font-family:'Space Grotesk',sans-serif; font-size:17px}
.drop span{color:var(--muted); font-size:13px}
.preview{width:100%}
.preview img{max-width:100%; max-height:420px; display:block; margin:0 auto; border-radius:8px;
  background:linear-gradient(45deg,#f1f1ee 25%,transparent 25%),linear-gradient(-45deg,#f1f1ee 25%,transparent 25%),
  linear-gradient(45deg,transparent 75%,#f1f1ee 75%),linear-gradient(-45deg,transparent 75%,#f1f1ee 75%);
  background-size:18px 18px; background-position:0 0,0 9px,9px -9px,-9px 0}
.metaRow{display:flex; gap:10px; flex-wrap:wrap; font-family:'JetBrains Mono',monospace;
  font-size:12px; color:var(--muted); padding:14px 22px; border-top:1px solid var(--line)}
.metaRow .k{color:var(--ink)}
.arrow{color:var(--accent); font-weight:600}

.historyBar{display:flex; align-items:center; gap:6px; flex-wrap:wrap;
  padding:10px 22px; border-top:1px solid var(--line); background:#FAFAF8}
.hbForm{margin:0}
.hbBtn{border:1px solid var(--line); background:#fff; border-radius:8px; padding:6px 11px;
  font-size:12px; font-family:'Inter',sans-serif; color:var(--ink); cursor:pointer}
.hbBtn:hover:not(:disabled){border-color:var(--accent); color:var(--accent)}
.hbBtn:disabled{opacity:.35; cursor:not-allowed}
.hbStatus{margin-left:auto; font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--muted)}

.panel{padding:20px}
.panel h2{font-family:'Space Grotesk',sans-serif; font-size:13px; text-transform:uppercase;
  letter-spacing:.08em; color:var(--muted); margin:0 0 14px}
.tabs{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:18px}
.tabs button{border:1px solid var(--line); background:#fff; border-radius:999px; padding:8px 13px;
  font-size:12.5px; font-family:'Inter',sans-serif; font-weight:500; color:var(--muted); cursor:pointer;
  white-space:nowrap; transition:.15s}
.tabs button.sel{background:var(--accent); border-color:var(--accent); color:#fff}
.tabs button:hover:not(.sel){border-color:var(--accent); color:var(--accent)}
.opfield{margin-bottom:16px}
.opfield .dims{margin-bottom:10px}
.opfield .dims:last-child{margin-bottom:0}
.field{margin-bottom:16px}
label.lbl{display:block; font-size:13px; font-weight:500; margin-bottom:7px}
.dims{display:flex; align-items:center; gap:8px}
.in{position:relative; flex:1}
.in input{width:100%; font-family:'JetBrains Mono',monospace; font-size:15px; padding:10px 12px;
  border:1px solid var(--line); border-radius:9px; background:#fff; color:var(--ink)}
.in input:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft)}
.lock{border:1px solid var(--line); background:#fff; border-radius:9px; width:38px; height:38px;
  display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--muted); flex-shrink:0}
.lock.on{color:var(--accent); border-color:var(--accent); background:var(--accent-soft)}
.lock svg{width:16px; height:16px}
.seg{display:flex; border:1px solid var(--line); border-radius:9px; overflow:hidden; background:#fff}
.seg button{flex:1; border:0; background:#fff; padding:9px 6px; font-size:13px;
  font-family:'Inter',sans-serif; cursor:pointer; color:var(--muted); font-weight:500}
.seg button.sel{background:var(--accent); color:#fff}
input[type=range]{width:100%; accent-color:var(--accent)}
.qval{font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--muted); float:right}
.cta{display:block; width:100%; text-align:center; text-decoration:none; border:0;
  background:var(--accent); color:#fff; font-family:'Space Grotesk',sans-serif; font-weight:600;
  font-size:15px; padding:13px; border-radius:10px; cursor:pointer; transition:.15s}
.cta:hover{background:var(--accent-ink)}
.cta--dl{background:var(--ok); margin-top:10px}
.cta--dl:hover{background:#0B8560}
.reset{display:block; margin:12px auto 0; background:none; border:0; color:var(--muted);
  font-size:12px; cursor:pointer; text-decoration:underline}

/* ---- Werbung ---- */
.ad{margin:0}
.ad--ph{border:1px dashed #cfcfc7; border-radius:8px; min-height:64px; display:flex;
  align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace;
  font-size:11px; color:#b7b7ad;
  background:repeating-linear-gradient(45deg,#fafaf8,#fafaf8 8px,#f4f4f0 8px,#f4f4f0 16px)}
.rail .ad--ph{min-height:600px; width:160px}
.main > .ad, .main > .adsbygoogle{margin:20px 0}
.foot-ad{max-width:1000px; margin:0 auto 14px}

/* ---- Inhalt / SEO ---- */
.content{margin-top:26px; max-width:70ch}
.content h2{font-family:'Space Grotesk',sans-serif; font-size:20px; margin:26px 0 10px}
.content h3{font-size:15px; margin:18px 0 4px}
.content p,.content li{color:#3a3d44; font-size:15px}
.content ol{padding-left:20px}

.site-footer{text-align:center; padding:30px 20px 44px; color:var(--muted);
  font-family:'JetBrains Mono',monospace; font-size:12px}
.foot-pitch{max-width:64ch; margin:0 auto 14px; font-family:'Inter',sans-serif;
  font-size:13px; line-height:1.6; color:#4b4e55}
.foot-pitch b{color:var(--ink); font-weight:600}
.foot-fine{margin:0 0 6px}
.foot-credit{margin:0; font-size:10px; opacity:.55}
.foot-credit a{text-decoration:none; color:var(--muted)}
.foot-credit a:hover{text-decoration:underline}