/* PAIOS Learn — Comic Design System v6 (Modul 8).
   Basis = Template Lektion 02 (v6). Mobile-first ergänzt: Panel-Raster stackt
   auf schmalen Screens, Safe-Area-Insets, App-Feeling (kein Zoom). */
:root {
  --carbon:#0D0D0D; --c80:#1A1A1A; --c60:#2A2A2A; --c40:#3D3D3D;
  --red:#CC0000; --red-d:#990000;
  --titanium:#8C8C8C; --cream:#F5F0E8;
  --gold:#B8922A; --teal:#1D6B5F; --teal-l:#24876F; --teal-b:#2ABFA0;
  --road:#3A3A3A; --road-edge:#5A5A5A; --road-mark:#7A7A6A;
  --gap:3px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;}
body{
  background:#111;font-family:"DM Sans",sans-serif;color:var(--cream);
  -webkit-font-smoothing:antialiased;
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
}
.app{max-width:1000px;margin:0 auto;background:#111;}

/* Masthead */
.masthead{background:var(--carbon);border-bottom:3px solid var(--red);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:12px 18px;gap:8px;}
.m-brand{font-family:"Bebas Neue";font-size:20px;letter-spacing:3px;}
.m-brand em{color:var(--red);font-style:normal;}
.m-brand .mod{font-family:"DM Mono";font-size:9px;color:var(--titanium);letter-spacing:2px;}
.m-title{font-family:"Bebas Neue";font-size:26px;color:var(--gold);letter-spacing:2px;text-align:center;}
.m-meta{font-family:"DM Mono";font-size:10px;color:var(--titanium);text-align:right;letter-spacing:1px;line-height:1.6;}
.m-meta .dot{color:var(--red);}

/* Lesson Nav */
.lesson-nav{background:var(--c80);padding:10px 14px;display:flex;gap:6px;
  flex-wrap:nowrap;overflow-x:auto;border-bottom:1px solid var(--c40);scrollbar-width:none;}
.lesson-nav::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;text-decoration:none;font-family:"DM Mono";font-size:10px;
  letter-spacing:1px;text-transform:uppercase;padding:5px 11px;border-radius:2px;
  border:1px solid var(--c40);color:var(--titanium);white-space:nowrap;}
.chip.on{background:var(--red);border-color:var(--red);color:var(--cream);}

/* Comic-Panel-Raster */
.pg-2col{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.pg-13{display:grid;grid-template-columns:1fr 2fr;gap:var(--gap);}
.row-gap{height:var(--gap);background:var(--carbon);}
.panel{position:relative;overflow:hidden;background:var(--c80);}

/* Chapter Intro */
.ci{display:flex;min-height:200px;background:var(--carbon);position:relative;overflow:hidden;}
.ci-left{flex:1;padding:24px 26px;display:flex;flex-direction:column;justify-content:flex-end;z-index:2;}
.ci-eye{font-family:"DM Mono";font-size:9px;letter-spacing:3px;text-transform:uppercase;color:var(--red);margin-bottom:10px;}
.ci-h{font-family:"Bebas Neue";font-size:44px;color:var(--cream);line-height:1;margin-bottom:12px;letter-spacing:1px;}
.ci-h em{color:var(--red);font-style:normal;}
.ci-body{font-family:"DM Sans";font-size:13px;color:var(--titanium);max-width:360px;line-height:1.6;margin-bottom:14px;}
.ci-right{width:300px;flex-shrink:0;position:relative;overflow:hidden;background:#0D0D0D;display:flex;align-items:center;justify-content:center;}
.ci-right img{width:80%;max-height:180px;object-fit:contain;mix-blend-mode:screen;filter:drop-shadow(0 0 24px rgba(204,0,0,0.35));}
.ci-num{position:absolute;bottom:-20px;right:-10px;font-family:"Bebas Neue";font-size:170px;color:var(--red);opacity:0.06;line-height:1;pointer-events:none;}
.tag{display:inline-block;font-family:"DM Mono";font-size:9px;letter-spacing:1.5px;text-transform:uppercase;padding:3px 8px;border-radius:2px;}
.tag-r{background:var(--red);color:var(--cream);} .tag-d{background:var(--c40);color:var(--titanium);}
.tag-g{background:var(--gold);color:var(--carbon);}

/* Diagramm-Panel — Totale: SVG behält Seitenverhältnis 640:500 */
.dia-wrap{background:#1A2A1A;}
.dia-wrap svg{display:block;width:100%;height:auto;}
.dia-wrap img, .dia-wrap image{ mix-blend-mode:screen; }
.cap{position:absolute;bottom:0;left:0;right:0;background:rgba(13,13,13,0.92);
  border-top:2px solid var(--red);padding:6px 14px;font-family:"DM Mono";font-size:10px;
  color:var(--cream);letter-spacing:1px;text-transform:uppercase;z-index:20;}
.cap.teal{border-top-color:var(--teal);color:var(--teal-b);}
.cap.gold{border-top-color:var(--gold);color:var(--gold);}

/* Legende / Steps */
.side{display:flex;flex-direction:column;gap:var(--gap);}
.legend{background:var(--c80);padding:18px;flex:1;}
.lab{font-family:"DM Mono";font-size:9px;letter-spacing:3px;text-transform:uppercase;color:var(--red);margin-bottom:8px;}
.legend-item{display:flex;align-items:flex-start;gap:12px;margin-bottom:10px;}
.legend-line{width:32px;height:4px;border-radius:2px;flex-shrink:0;margin-top:7px;}
.legend-title{font-family:"Bebas Neue";font-size:15px;letter-spacing:1px;margin-bottom:2px;}
.legend-desc{font-family:"DM Sans";font-size:11px;color:var(--titanium);line-height:1.5;}
.merkbox{border-top:1px solid var(--c40);margin-top:12px;padding-top:12px;}
.merkbig{font-family:"Bebas Neue";font-size:22px;color:var(--cream);letter-spacing:1px;line-height:1.2;}
.merkbig .g{color:var(--gold);} .merkbig .t{color:var(--teal-b);}

/* Steps (Comic) — kompakter (Round-1-Feedback) */
.stepbox{background:var(--c80);padding:14px;}
.step{display:flex;align-items:flex-start;gap:8px;margin-bottom:6px;padding:6px 10px;
  background:rgba(204,0,0,0.06);border-left:2px solid var(--red);border-radius:2px;}
.step .sn{font-family:"Bebas Neue";font-size:18px;color:var(--red);line-height:1.1;min-width:20px;flex-shrink:0;}
.step .sd{font-family:"DM Sans";font-size:11px;color:var(--titanium);line-height:1.45;}
.step .sd b{color:var(--cream);}

/* Session-Stats */
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.stat .k{font-family:"DM Mono";font-size:8px;color:var(--titanium);letter-spacing:1px;}
.stat .v{font-family:"Bebas Neue";font-size:26px;line-height:1.1;}

/* Kernregel */
.kern{background:var(--carbon);display:flex;align-items:center;padding:22px 28px;position:relative;overflow:hidden;}
.kern .wm{position:absolute;right:-10px;bottom:-20px;font-family:"Bebas Neue";font-size:110px;color:var(--red);opacity:0.04;line-height:1;pointer-events:none;}
.kern .lab{margin-bottom:10px;}
.kern .big{font-family:"Bebas Neue";font-size:34px;color:var(--cream);line-height:1.1;letter-spacing:1px;}
.kern .big .g{color:var(--gold);}
.kern .sub{font-family:"DM Sans";font-size:13px;color:var(--titanium);margin-top:10px;max-width:400px;line-height:1.6;}

/* Sumbar */
.sumbar{background:var(--carbon);border-top:2px solid var(--c40);padding:14px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;}
.sb-rule{font-family:"Bebas Neue";font-size:15px;color:var(--titanium);letter-spacing:1px;}
.sb-rule em{color:var(--gold);font-style:normal;}
.sb-nav{display:flex;gap:8px;}
.btn{text-decoration:none;font-family:"DM Mono";font-size:10px;letter-spacing:1px;
  padding:8px 14px;border-radius:2px;text-transform:uppercase;white-space:nowrap;}
.btn-ghost{border:1px solid var(--c40);color:var(--titanium);}
.btn-prim{background:var(--red);color:var(--cream);}
.btn.disabled{opacity:.35;pointer-events:none;}

/* Overview */
.overview{padding:20px;background:var(--c80);}
.ov-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.ovc{text-decoration:none;border:1px solid var(--c40);border-radius:3px;overflow:hidden;display:block;}
.ovc .h{padding:8px 12px;display:flex;align-items:center;gap:8px;background:var(--c60);}
.ovc .h .n{font-family:"Bebas Neue";font-size:22px;line-height:1;width:26px;color:var(--titanium);}
.ovc .h .t{font-family:"Bebas Neue";font-size:13px;color:var(--cream);letter-spacing:1px;}
.ovc .f{padding:6px 12px;background:var(--carbon);font-family:"DM Mono";font-size:9px;color:var(--titanium);}
.ovc.teal{border-color:var(--teal);} .ovc.teal .h{background:var(--teal);} .ovc.teal .h .n{color:var(--cream);}
.ovc.red{border-color:var(--red);} .ovc.red .h{background:var(--red);} .ovc.red .h .n{color:var(--cream);} .ovc.red .f{color:var(--red);}
.ovc.gold{border-color:var(--gold);} .ovc.gold .h .n{color:var(--gold);} .ovc.gold .f{color:var(--gold);}

/* Footer */
.footer{background:var(--carbon);border-top:2px solid var(--red);padding:14px 22px;
  display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;}
.footer-brand{font-family:"Bebas Neue";font-size:20px;color:var(--cream);letter-spacing:2px;}
.footer-brand em{color:var(--red);font-style:normal;}
.footer-tag{font-family:"DM Mono";font-size:9px;color:var(--titanium);letter-spacing:2px;}

/* Index Hero */
.hero{text-align:center;padding:34px 16px 10px;background:var(--carbon);}
.hero .logo{font-family:"Bebas Neue";font-size:48px;letter-spacing:4px;}
.hero .logo em{color:var(--red);font-style:normal;}
.hero .tagline{font-family:"DM Mono";font-size:11px;letter-spacing:3px;color:var(--titanium);text-transform:uppercase;margin-top:4px;}
.install-hint{margin:16px;background:var(--c80);border:1px dashed var(--gold);border-radius:3px;
  padding:12px 14px;font-size:12px;color:var(--titanium);font-family:"DM Mono";}
.install-hint b{color:var(--gold);}

/* --- Mobile: Panel-Raster stacken (iPhone 375px) --- */
@media (max-width:720px){
  .pg-2col,.pg-13{grid-template-columns:1fr;}
  .ci{flex-direction:column;}
  .ci-right{width:100%;min-height:200px;}
  .ci-left{justify-content:flex-start;padding:20px 22px;}
  .ci-h{font-size:38px;}
  .ov-grid{grid-template-columns:1fr 1fr;}
  .m-title{font-size:20px;}
  .masthead{padding:10px 12px;}
}
@media (max-width:380px){ .ov-grid{grid-template-columns:1fr;} .ci-h{font-size:32px;} }