/* E-Learning Tauchsport Nidwalden – Grundstil (Handy zuerst). Farben kommen aus den Einstellungen (:root in basis.html). */
:root{
  --cyan:#00b6de;--tuerkis:#35bdb2;--gold:#fdb924;--slate:#1b3a4b;--muted:#3d6478;--tief:#14303d;--rot:#e6413f;
  --tiefer:#0b2230;--grund:#f6fafb;--rahmen:#d0e4eb;--cyan-f:#e5f7fc;--tuerkis-f:#e8f7f4;--gold-f:#fff5d6;--rot-f:#fde8e7;
  --cyan-t:#007b97;--tuerkis-t:#1f7f77;--gold-t:#8a6200;--rot-t:#b3261e;
  --titel:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--text:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--text);color:var(--slate);background:var(--grund);font-size:17px;line-height:1.55;-webkit-text-size-adjust:100%}
h1,h2,h3,h4{font-family:var(--titel);line-height:1.2;margin:0 0 .5rem;font-weight:700}
h1{font-size:1.6rem}h2{font-size:1.3rem}h3{font-size:1.08rem}
a{color:var(--cyan-t)}
p{margin:.4rem 0 .8rem}
img{max-width:100%}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.klein{font-size:.86rem;color:var(--muted)}
.mitte{max-width:560px;margin:0 auto;padding:1rem}
.versteckt{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.stufe-band{background:var(--gold);color:var(--slate);text-align:center;font-size:.8rem;font-weight:600;padding:.25rem .6rem}
.stufe-band a{color:var(--slate)}

/* Knöpfe */
.knopf{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:48px;padding:.7rem 1.15rem;border-radius:14px;border:0;
  font:600 1rem var(--titel);text-decoration:none;cursor:pointer;color:var(--slate);background:#fff;border:1.5px solid var(--rahmen)}
.knopf.haupt{background:var(--cyan);color:#fff;border-color:var(--cyan);box-shadow:0 6px 16px rgba(0,182,222,.3)}
.knopf.gold{background:var(--gold);color:var(--tief);border-color:var(--gold)}
.knopf.leise{background:var(--cyan-f);color:var(--cyan-t);border-color:transparent}
.knopf.gefahr{color:var(--rot-t);border-color:#f3c4c1}
.knopf.breit{width:100%}
.knopf.klein{min-height:38px;padding:.35rem .8rem;font-size:.88rem;border-radius:10px}
.knopf[disabled]{opacity:.5;cursor:not-allowed}
button.link{background:none;border:0;color:var(--cyan-t);text-decoration:underline;cursor:pointer;font:inherit;padding:0}

/* Chips und Karten */
.chip{display:inline-flex;align-items:center;gap:.3rem;font-size:.78rem;font-weight:600;padding:.2rem .65rem;border-radius:999px;white-space:nowrap}
.chip.cyan{background:var(--cyan-f);color:var(--cyan-t)}.chip.tuerkis{background:var(--tuerkis-f);color:var(--tuerkis-t)}
.chip.gold{background:var(--gold-f);color:var(--gold-t)}.chip.rot{background:var(--rot-f);color:var(--rot-t)}
.chip.grau{background:#eef3f5;color:var(--muted)}.chip.hell{background:rgba(255,255,255,.16);color:#fff}
.karte{background:#fff;border-radius:20px;padding:1.1rem 1.15rem;box-shadow:0 1px 3px rgba(20,48,61,.06),0 8px 22px rgba(20,48,61,.06);margin-bottom:1rem}
.meldung{border-radius:14px;padding:.75rem 1rem;margin:.6rem 0;font-size:.95rem}
.meldung.gut{background:var(--tuerkis-f);color:var(--tuerkis-t)}
.meldung.fehler{background:var(--rot-f);color:var(--rot-t)}
.meldung.info{background:var(--cyan-f);color:var(--cyan-t)}
.meldung.gold{background:var(--gold-f);color:var(--gold-t)}

/* Formulare */
label.feld{display:block;font-size:.88rem;color:var(--muted);margin:.6rem 0}
label.feld input,label.feld select,label.feld textarea{display:block;width:100%;margin-top:.25rem;padding:.8rem .9rem;border-radius:12px;
  border:1.5px solid var(--rahmen);font:inherit;font-size:1rem;color:var(--slate);background:#fff}
label.feld textarea{min-height:6rem}
label.haken{display:flex;gap:.6rem;align-items:center;margin:.6rem 0;font-size:.95rem}
label.haken input{width:22px;height:22px;accent-color:var(--cyan)}
.umschalter{display:grid;grid-template-columns:1fr 1fr;background:var(--grund);border-radius:14px;padding:4px;margin:.8rem 0}
.umschalter a{text-align:center;border-radius:11px;padding:.6rem;font-weight:600;color:var(--muted);text-decoration:none}
.umschalter a.aktiv{background:#fff;color:var(--slate);box-shadow:0 2px 8px rgba(20,48,61,.1)}
.code-feld{font:600 1.8rem var(--titel);letter-spacing:.5rem;text-align:center;padding:.6rem}

/* ---------- Taucher: App-Rahmen ---------- */
.app{max-width:560px;margin:0 auto;min-height:100vh;background:var(--grund);position:relative}
.app-kopf{background:linear-gradient(150deg,var(--cyan),#0a8fb2 55%,var(--tief));color:#fff;padding:1rem 1.1rem 2.4rem;position:relative}
.app-kopf .zeile{display:flex;justify-content:space-between;align-items:center;gap:.6rem}
.app-kopf .signet{width:44px;height:44px;background:#fff;border-radius:12px;padding:3px;object-fit:contain}
.app-kopf a{color:#fff}
.app-kopf .welle,.welle-unten{position:absolute;left:0;bottom:-1px;width:100%;height:28px;display:block}
.app-inhalt{padding:1rem 1.1rem 6.5rem}
.leiste-unten{position:sticky;bottom:0;padding:.8rem 1.1rem calc(1rem + env(safe-area-inset-bottom));background:linear-gradient(to top,var(--grund) 72%,rgba(246,250,251,0));z-index:5}
.tief .leiste-unten{background:transparent}
.hilfe-knopf{display:flex;align-items:center;gap:.6rem;background:var(--tuerkis-f);color:var(--tuerkis-t);border-radius:16px;padding:.85rem 1rem;font-weight:600;text-decoration:none;margin-top:1rem}

/* Anmelden */
.held{height:42vh;min-height:260px;max-height:380px;background:var(--tief) center 60%/cover;position:relative}
.held::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(11,34,48,.1),rgba(11,34,48,0) 40%,rgba(11,34,48,.85))}
.held .marke{position:absolute;left:1.1rem;bottom:1.6rem;z-index:1;color:#fff;display:flex;gap:.7rem;align-items:center}
.held .marke img{width:60px;height:60px;object-fit:contain;background:#fff;border-radius:16px;padding:5px}
.held .marke b{font-family:var(--titel);font-size:1.3rem;display:block;line-height:1.15}
.anmelde-karte{margin:-1.3rem .8rem 1rem;position:relative;z-index:2;border-radius:22px}

/* Logbuch */
.kurs-karte{display:block;background:#fff;border-radius:20px;box-shadow:0 8px 24px rgba(20,48,61,.1);overflow:hidden;margin-bottom:1rem;color:inherit;text-decoration:none}
.kurs-karte .band{height:88px;position:relative;background:var(--tief) center 55%/cover}
.kurs-karte .band .chip{position:absolute;top:.7rem;left:.7rem}
.kurs-karte .unten{padding:.9rem 1rem 1rem;display:grid;grid-template-columns:1fr auto;gap:.6rem;align-items:center}
.ring{width:76px;height:76px;position:relative;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font:700 1rem var(--titel)}
.leer-logbuch{text-align:center;padding:2rem 1rem}

/* Tauchplan */
.profil{position:relative;padding-left:3.8rem;margin-top:1.4rem}
.profil::before{content:"";position:absolute;left:2.1rem;top:.6rem;bottom:.6rem;width:4px;border-radius:4px;background:linear-gradient(var(--cyan),var(--tief))}
.profil-titel{position:absolute;left:0;top:-1.25rem;font-size:.66rem;color:var(--muted)}
.station{position:relative;background:#fff;border:1.5px solid var(--rahmen);border-radius:16px;padding:.8rem .95rem;margin-bottom:.8rem}
.station .punkt{position:absolute;left:-2.45rem;top:.85rem;width:28px;height:28px;border-radius:50%;background:#fff;border:3px solid var(--rahmen);
  display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:var(--muted)}
.station .tiefe{position:absolute;left:-3.8rem;top:1.1rem;font-size:.66rem;color:var(--muted);width:1.1rem;text-align:right}
.station.fertig .punkt{background:var(--tuerkis);border-color:var(--tuerkis);color:#fff}
.station.jetzt{border-color:var(--cyan);box-shadow:0 0 0 4px var(--cyan-f)}
.station.jetzt .punkt{background:var(--cyan);border-color:var(--cyan);color:#fff;animation:puls 1.8s infinite}
.station.zu{opacity:.75}
.station h3{font-size:1rem;margin:0}
.station .zeile{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-top:.35rem;flex-wrap:wrap}
.station a.ganz{position:absolute;inset:0;border-radius:16px}
.station .vorne{position:relative;z-index:1}
@keyframes puls{50%{box-shadow:0 0 0 8px rgba(0,182,222,.18)}}

/* Tauchgang */
.schritt-leiste{display:flex;gap:4px;margin:.3rem 0 1rem}
.schritt-leiste i{flex:1;height:6px;border-radius:6px;background:#e3edf1}
.schritt-leiste i.da{background:var(--cyan)}
.tief .schritt-leiste i{background:rgba(255,255,255,.2)}.tief .schritt-leiste i.da{background:var(--gold)}
.kopfzeile{display:flex;justify-content:space-between;align-items:center;gap:.5rem}
.tief{background:radial-gradient(120% 70% at 50% 0%,#145a74 0%,var(--tief) 45%,var(--tiefer) 100%);color:#fff;min-height:100vh}
.tief .klein{color:#b9dbe6}.tief a{color:#bfeaf5}
.blasen{position:fixed;inset:0;pointer-events:none;overflow:hidden}
.blasen i{position:absolute;bottom:-20px;border-radius:50%;border:1.5px solid rgba(255,255,255,.3);animation:steigen linear infinite}
@keyframes steigen{to{transform:translateY(-110vh)}}
.text-baustein{font-size:1.05rem}
.text-baustein ul{padding-left:1.2rem}
.merke{background:var(--gold-f);border-left:5px solid var(--gold);border-radius:0 16px 16px 0;padding:.9rem 1rem;margin:.6rem 0}
.merke b:first-child{display:block;font-family:var(--titel);color:var(--gold-t);font-size:.85rem;margin-bottom:.2rem}
figure.bild{margin:.6rem 0}
figure.bild img{border-radius:18px;display:block;width:100%;height:auto;background:#fff}
figure.bild video{border-radius:18px;display:block;width:100%;height:auto;background:#14303d}
figure.bild figcaption{font-size:.85rem;color:var(--muted);margin-top:.35rem}
.bild-wunsch{border:2px dashed var(--gold);border-radius:16px;padding:.9rem;color:var(--gold-t);background:var(--gold-f);font-size:.9rem}

/* Antworten */
.antwort{display:flex;gap:.7rem;align-items:flex-start;width:100%;text-align:left;border:2px solid var(--rahmen);background:#fff;color:var(--slate);
  border-radius:16px;padding:.9rem 1rem;margin:.55rem 0;font-weight:500;min-height:56px;cursor:pointer}
.antwort input{width:22px;height:22px;margin:.1rem 0 0;accent-color:var(--cyan);flex:none}
.antwort:has(input:checked){border-color:var(--cyan);background:var(--cyan-f)}
.tief .antwort{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.07);color:#fff}
.tief .antwort:has(input:checked){border-color:var(--gold);background:rgba(253,185,36,.16)}
.antwort.richtig{border-color:var(--tuerkis)!important;background:var(--tuerkis-f)!important;color:var(--slate)!important}
.antwort.falsch{border-color:var(--rot)!important;background:var(--rot-f)!important;color:var(--slate)!important}
.wahl-paar{display:grid;grid-template-columns:1fr;gap:.25rem;margin:.6rem 0;padding:.7rem .9rem;background:#fff;border:1.5px solid var(--rahmen);border-radius:14px}
.wahl-paar select{padding:.7rem;border-radius:10px;border:1.5px solid var(--rahmen);font:inherit;background:#fff;color:var(--slate)}
.ampel{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin:.8rem 0}
.ampel label{display:flex;flex-direction:column;align-items:center;gap:.3rem;border:2px solid var(--rahmen);border-radius:16px;padding:.8rem .3rem;
  cursor:pointer;font-weight:600;font-size:.9rem;background:#fff;color:var(--slate);text-align:center}
.ampel label .licht{width:30px;height:30px;border-radius:50%}
.ampel input{position:absolute;opacity:0}
.ampel label:has(input:checked){border-color:var(--slate);box-shadow:0 0 0 3px var(--cyan-f)}
.ampel label:has(input:focus-visible){outline:3px solid var(--gold)}
.regler-wert{font:700 2.3rem var(--titel);text-align:center;color:var(--cyan-t)}
.tief .regler-wert{color:var(--gold)}
input[type=range]{width:100%;accent-color:var(--cyan);height:44px}
.skala{display:flex;justify-content:space-between;font-size:.78rem;color:var(--muted)}
.sicher{border:0;padding:0;margin:.8rem 0}
.sicher legend{font-size:.88rem;color:var(--muted);margin-bottom:.35rem}
.sicher label{display:inline-flex;align-items:center;border:1.5px solid var(--rahmen);background:#fff;border-radius:999px;padding:.45rem .9rem;margin:0 .3rem .3rem 0;cursor:pointer;color:var(--slate);font-size:.92rem}
.sicher input{position:absolute;opacity:0}
.sicher label:has(input:checked){background:var(--slate);color:#fff;border-color:var(--slate)}
.sicher label:has(input:focus-visible){outline:3px solid var(--gold)}
.aufloesung{border-radius:16px;padding:.95rem 1rem;margin:.8rem 0;background:var(--tuerkis-f);border-left:5px solid var(--tuerkis)}
.aufloesung.daneben{background:var(--gold-f);border-left-color:var(--gold)}
.tief .aufloesung{background:rgba(255,255,255,.1);border-left-color:var(--gold);color:#fff}
.aufloesung b.kopf{display:block;font-family:var(--titel);margin-bottom:.25rem}
.situation{background:#fff;border-radius:16px;padding:.9rem 1rem;border:1.5px solid var(--rahmen);margin:.5rem 0}
.tief .situation{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}

/* Stempel und Ergebnis */
.stempel{width:200px;height:200px;border-radius:50%;margin:1.5rem auto;border:5px double var(--gold);display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;transform:rotate(-8deg);color:var(--gold);font-family:var(--titel);animation:stempeln .6s cubic-bezier(.2,1.6,.4,1) both;
  background:radial-gradient(circle,rgba(253,185,36,.12),transparent 70%)}
.stempel b{font-size:2.6rem;line-height:1}
.stempel span{font-size:.75rem;letter-spacing:.12em;font-weight:700;padding:0 1rem}
@keyframes stempeln{from{transform:scale(2.2) rotate(-25deg);opacity:0}to{transform:scale(1) rotate(-8deg);opacity:1}}
.kernsatz{background:rgba(255,255,255,.1);border-radius:16px;padding:1rem;border-left:4px solid var(--tuerkis);text-align:left}
.finimeter{display:block;margin:0 auto;max-width:300px}
.ergebnis-zeile{display:flex;gap:.7rem;align-items:flex-start;padding:.8rem 0;border-bottom:1px solid #e8eff2}
.ergebnis-zeile .zeichen{width:28px;height:28px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.blasen{display:none}}
@media (min-width:700px){.app{box-shadow:0 0 0 1px #e3edf1}}