/* feeless.money - Nano-Lernseite (Uebung im Browser). Nur Klassen mit Praefix ln-. */
.ln-wrap{max-width:46rem;margin:0 auto;padding:0 1.1rem 3rem}
.ln-hero{padding:2.2rem 0 1rem}
.ln-hero h1{font-size:clamp(1.9rem,6vw,2.9rem);line-height:1.1;letter-spacing:-.03em;margin:.3rem 0 .8rem;font-weight:800}
.ln-hero p{color:var(--mut);margin:.4rem 0}
.ln-note{font-size:.88rem;color:var(--mut);border-left:3px solid var(--lin);padding:.2rem 0 .2rem .8rem;margin:1rem 0}
.xno{display:inline-block;width:1em;height:1em;vertical-align:-.14em;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round}

/* sticky Fortschritt + Sprungmarken (nur CSS sticky) */
.ln-bar{position:sticky;top:3.5rem;z-index:40;background:var(--hdr);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--lin);padding:.5rem 0 .45rem;margin:0 -1.1rem 1rem;padding-left:1.1rem;padding-right:1.1rem}
.ln-prog{height:.5rem;background:var(--chip);border-radius:99rem;overflow:hidden}
.ln-prog i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--mint));transition:width .4s}
.ln-proglab{display:flex;justify-content:space-between;font-size:.8rem;color:var(--mut);margin:.25rem 0 .3rem}
.ln-chips{display:flex;gap:.35rem;overflow-x:auto;scrollbar-width:none}
.ln-chips a{flex:none;min-width:2.1rem;text-align:center;padding:.25rem .5rem;border:1px solid var(--lin);border-radius:99rem;
  font-size:.82rem;text-decoration:none;color:var(--mut);background:var(--flaeche)}
.ln-chips a.ok{background:var(--gruen);border-color:var(--gruen);color:#fff}
.ln-chips a.jetzt{border-color:var(--brand);color:var(--fg);font-weight:700}
.ln-chips a.zu{opacity:.5}

.ln-step{scroll-margin-top:8.2rem;background:var(--flaeche);border:1px solid var(--lin);border-radius:1.1rem;padding:1.1rem;margin:0 0 1rem;box-shadow:var(--shadow)}
.ln-step.gesperrt{opacity:.55}
.ln-step h2{font-size:1.25rem;margin:0 0 .5rem;letter-spacing:-.01em;display:flex;gap:.6rem;align-items:center}
.ln-nr{flex:none;width:2rem;height:2rem;border-radius:50%;background:var(--chip);display:grid;place-items:center;font-size:.95rem;font-weight:700}
.ln-step.fertig .ln-nr{background:var(--gruen);color:#fff}
.ln-warum{background:var(--chip);border-radius:.7rem;padding:.6rem .8rem;font-size:.93rem;margin:0 0 .9rem}
.ln-warum b{color:var(--link)}
.ln-step p{margin:.5rem 0}
.ln-klein{font-size:.85rem;color:var(--mut)}
.ln-btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:650;background:var(--btn);color:var(--btntext);padding:.7rem 1.2rem;border-radius:.7rem;text-decoration:none;margin:.3rem .4rem .3rem 0}
.ln-btn.rand{background:var(--flaeche);color:var(--fg);border:1px solid var(--lin)}
.ln-btn[disabled]{opacity:.4;cursor:not-allowed}
.ln-weiter{margin-top:1rem;padding-top:.8rem;border-top:1px dashed var(--lin)}
.ln-fb{min-height:1.4rem;font-size:.92rem;margin:.4rem 0}
.ln-fb.ok{color:var(--hoch)}.ln-fb.err{color:var(--runter)}
.ln-kachel{display:grid;gap:.7rem;grid-template-columns:1fr}
@media (min-width:40rem){.ln-kachel{grid-template-columns:repeat(3,1fr)}}
.ln-k{border:1px solid var(--lin);border-radius:.8rem;padding:.8rem;background:var(--bg2)}
.ln-k b{display:block;font-size:1.05rem;margin-bottom:.2rem}
.ln-zu-hinweis{font-size:.9rem;color:var(--mut)}

/* Quiz */
.ln-quiz{margin:1rem 0;padding:.8rem;border:1px solid var(--lin);border-radius:.8rem}
.ln-qt{font-weight:650;margin:0 0 .5rem!important}
.ln-opt{display:block;width:100%;text-align:left;font:inherit;color:var(--fg);background:var(--bg2);border:1px solid var(--lin);border-radius:.6rem;padding:.6rem .8rem;margin:.35rem 0;cursor:pointer}
.ln-opt:hover{border-color:var(--brand)}
.ln-opt.falsch{border-color:var(--runter)}
.ln-opt.richtig{border-color:var(--gruen);background:var(--chip)}

/* Handy-Mock (eigenes Design) */
.ln-phone{position:relative;width:min(100%,19.5rem);margin:1rem auto;border:6px solid #0b1020;border-radius:2rem;
  background:linear-gradient(170deg,#0f2f66,#021a43 70%);color:#eef2ff;min-height:27rem;padding:1.3rem 1rem 1rem;overflow:hidden;box-shadow:var(--shadow)}
.ln-ribbon{position:absolute;top:.45rem;left:50%;transform:translateX(-50%);font-size:.65rem;letter-spacing:.18em;background:#6ee7c8;color:#021a43;padding:.05rem .6rem;border-radius:99rem;font-weight:800}
.ln-phone h3{margin:.8rem 0 .3rem;font-size:1.1rem}
.ln-phone p{font-size:.9rem;color:#c9d4f2}
.ln-phone .ln-btn{background:#6ee7c8;color:#021a43;width:100%;margin:.35rem 0;text-align:center}
.ln-phone .ln-btn.rand{background:transparent;color:#eef2ff;border:1px solid #4a5f99}
.ln-phone input[type=text],.ln-phone input[type=number]{width:100%;font:inherit;padding:.6rem;border-radius:.6rem;border:1px solid #4a5f99;background:#0b1d44;color:#fff;margin:.25rem 0}
.ln-saldo{font-size:2rem;font-weight:800;margin:.6rem 0 .1rem;font-variant-numeric:tabular-nums}
.ln-tx{list-style:none;padding:0;margin:.6rem 0;font-size:.88rem}
.ln-tx li{display:flex;justify-content:space-between;border-top:1px solid #26407a;padding:.4rem 0}
.ln-dots{display:flex;justify-content:center;gap:.7rem;margin:1rem 0}
.ln-dots i{width:.85rem;height:.85rem;border-radius:50%;border:2px solid #6ee7c8}
.ln-dots i.an{background:#6ee7c8}
.ln-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin-top:.5rem}
.ln-pad button{font:inherit;font-size:1.3rem;padding:.65rem 0;border-radius:.8rem;border:1px solid #3a5190;background:#12306a;color:#fff;cursor:pointer}
.ln-adr{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82rem;word-break:break-all;background:#0b1d44;border-radius:.6rem;padding:.6rem;margin:.5rem 0}
.ln-adr b{color:#6ee7c8}
.ln-qr{display:block;width:9rem;height:9rem;margin:.6rem auto;background:#fff;padding:.4rem;border-radius:.5rem}
.ln-tabs{display:flex;gap:.4rem;margin:.4rem 0}
.ln-tabs button{flex:1;font:inherit;font-size:.85rem;padding:.4rem;border-radius:.5rem;border:1px solid #4a5f99;background:transparent;color:#eef2ff;cursor:pointer}
.ln-tabs button.an{background:#6ee7c8;color:#021a43;font-weight:700}
.ln-scan{position:relative;height:9rem;margin:.6rem 0;border:2px dashed #6ee7c8;border-radius:.7rem;overflow:hidden;background:#071635}
.ln-scan i{position:absolute;left:0;right:0;height:2px;background:#6ee7c8;animation:lnscan 1.2s linear infinite}
@keyframes lnscan{from{top:0}to{top:100%}}
.ln-haken{font-size:2.6rem;text-align:center;color:#6ee7c8}

/* Browser-Mock (NanoDrop-Uebung) */
.ln-web{border:1px solid var(--lin);border-radius:.8rem;overflow:hidden;margin:1rem 0;background:var(--bg2)}
.ln-url{background:var(--chip);padding:.35rem .8rem;font-size:.8rem;font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--mut)}
.ln-webin{padding:1rem}
.ln-webin input[type=text]{width:100%;font:inherit;padding:.6rem;border-radius:.6rem;border:1px solid var(--lin);background:var(--bg);color:var(--fg);margin:.25rem 0}
.ln-captcha{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap;margin:.4rem 0}
.ln-captcha svg{border:1px solid var(--lin);border-radius:.4rem;background:#fff}
.ln-captcha input{flex:1;min-width:7rem}

/* Seed */
.ln-warn{border:2px solid var(--runter);border-radius:.8rem;padding:.7rem .9rem;margin:.8rem 0;background:var(--bg2)}
.ln-warn ul{margin:.3rem 0;padding-left:1.2rem}
.ln-words{display:grid;grid-template-columns:repeat(2,1fr);gap:.35rem;margin:.6rem 0;padding:0;list-style:none;counter-reset:w}
@media (min-width:30rem){.ln-words{grid-template-columns:repeat(3,1fr)}}
.ln-words li{background:#0b1d44;border-radius:.5rem;padding:.35rem .6rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.9rem;color:#fff}
.ln-words li span{color:#7a8fc4;display:inline-block;width:1.6rem}
.ln-check{display:flex;gap:.6rem;align-items:flex-start;margin:.6rem 0;font-size:.95rem}
.ln-check input{margin-top:.3rem;width:1.1rem;height:1.1rem;flex:none}

/* Formular, Rechner */
.ln-form label{display:block;font-size:.88rem;margin:.6rem 0 .1rem;color:var(--mut)}
.ln-form input[type=text],.ln-form input[type=number]{width:100%;font:inherit;padding:.6rem;border-radius:.6rem;border:1px solid var(--lin);background:var(--bg);color:var(--fg)}
.ln-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.ln-erg{background:var(--chip);border-radius:.7rem;padding:.6rem .8rem;margin:.6rem 0}
.ln-links a{display:inline-block;margin:.2rem .6rem .2rem 0}
.ln-teilen{font-size:.9rem;color:var(--mut)}
.ln-fertig{border:2px solid var(--gruen);border-radius:1.1rem;padding:1rem;margin:1rem 0;background:var(--flaeche)}
.ln-reset{background:none;border:0;color:var(--mut);font:inherit;font-size:.82rem;text-decoration:underline;cursor:pointer}
.ln-sub{margin:.4rem 0 .8rem;padding-left:1.3rem;font-size:.95rem}
.ln-skip{text-align:right;margin:0 0 .6rem}
.ln-code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.7rem;font-weight:800;letter-spacing:.06em;margin:.3rem 0 .6rem;word-break:break-all}
.ln-liste{margin-top:1rem;padding:.8rem;border:1px solid var(--lin);border-radius:.8rem;background:var(--bg2)}.ln-liste h3{margin:.1rem 0 .4rem}.ln-liste ul{padding-left:1.1rem;margin:.4rem 0}.ln-liste li{margin:.5rem 0}