:root{color-scheme:dark;--bg:#0b1717;--panel:#142728;--panel2:#1d3435;--text:#edf7ef;--muted:#b1c8c0;--gold:#eac17c;--green:#83d7a7;--border:#385351}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#214139 0,transparent 45%),var(--bg);font:16px/1.5 system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--text);min-height:100vh}a{color:var(--gold)}.wrap{max-width:880px;margin:auto;padding:24px 18px 70px}header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:34px}.brand{text-decoration:none;color:var(--text);font-weight:850;letter-spacing:.03em}.brand small{display:block;color:var(--gold);font-size:.72rem;letter-spacing:.17em}nav{display:flex;flex-wrap:wrap;gap:12px}nav a{text-decoration:none;border-bottom:1px solid transparent}nav a:hover{border-color:var(--gold)}.hero{margin:30px 0}h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.12;margin:0 0 16px}h2{margin:0 0 14px;font-size:1.35rem}p{color:var(--muted)}.eyebrow{color:var(--gold);text-transform:uppercase;font-size:.78rem;font-weight:800;letter-spacing:.16em}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}.card,.panel{background:var(--panel);border:1px solid var(--border);border-radius:20px;padding:24px}.card{display:flex;flex-direction:column}.card .action{margin-top:auto}.illustration{font-size:3rem;line-height:1.3}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;background:var(--gold);color:#14201b;font:inherit;font-weight:800;padding:13px 18px;cursor:pointer;text-decoration:none}.btn:hover{filter:brightness(1.08)}.btn:focus-visible,.option:focus-visible,input:focus-visible{outline:3px solid var(--green);outline-offset:2px}.btn.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border)}.btn:disabled{opacity:.48;cursor:not-allowed}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.option{width:100%;text-align:left;background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:15px;margin:6px 0;font:inherit;cursor:pointer}.option:hover:not(:disabled){border-color:var(--gold)}.option.correct{border-color:var(--green);background:#204639}.option.incorrect{border-color:#f59a90}.option:disabled{cursor:default}.muted{color:var(--muted)}.hidden{display:none!important}.progress{height:9px;background:var(--panel2);border-radius:20px;overflow:hidden;margin:18px 0 22px}.progress>div{height:100%;width:0;background:var(--green);transition:width .2s}.note{padding:13px;border-left:4px solid var(--gold);background:var(--panel2);border-radius:6px;margin-top:14px}.result-number{font-size:3rem;color:var(--gold);font-weight:900}.certificate{border:4px double var(--gold);padding:28px;text-align:center;background:#f7f0dc;color:#152c29;margin-top:25px;position:relative}.certificate h2{font-family:Georgia,serif;font-size:2rem;line-height:1.2}.certificate p{color:#344a44}.certificate .name{font-size:1.85rem;font-weight:800;overflow-wrap:anywhere}.certificate .seal{border:2px solid #436f59;border-radius:50%;display:inline-grid;place-items:center;width:105px;height:105px;transform:rotate(-11deg);font-weight:900;color:#24553d;margin:15px}.certificate .disclaimer{font-size:.7rem}.field{display:block;font-weight:700;margin-top:18px}input{width:100%;padding:13px;border-radius:12px;border:1px solid var(--border);background:var(--panel2);color:var(--text);font:inherit;margin-top:6px}.quote{font-size:clamp(1.3rem,4vw,2rem);color:var(--text);line-height:1.3;font-weight:700;min-height:120px}footer{padding:30px 0;color:var(--muted);font-size:.86rem}.pill{color:var(--gold);font-size:.83rem;font-weight:700}@media print{body{background:white;color:black}.no-print,header,footer,.form-area{display:none!important}.wrap{max-width:none;padding:0}.panel{border:0;padding:0;background:transparent}.certificate{margin:15mm auto;max-width:170mm;min-height:220mm;display:flex;flex-direction:column;align-items:center;justify-content:center;break-inside:avoid}#result{display:block!important}#quiz{display:none!important}#resultTitle,#resultSummary{display:none!important}@page{size:A4;margin:10mm}}

/* Fischgrößenrechner */
.rechner-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px 22px}.rechner-grid .field{margin-top:12px}select{width:100%;padding:13px;border-radius:12px;border:1px solid var(--border);background:var(--panel2);color:var(--text);font:inherit;margin-top:6px}select:focus-visible{outline:3px solid var(--green);outline-offset:2px}.rechner-output{margin-top:26px;padding:24px;border-radius:16px;text-align:center;background:var(--panel2);border:1px solid var(--border)}.rechner-big{font-size:clamp(2.7rem,9vw,5.5rem);font-weight:900;color:var(--gold);line-height:1.12;margin:10px 0}.rechner-line{font-size:1.1rem;color:var(--text);min-height:3em}.rechner-scale{margin:18px auto;height:10px;max-width:400px;background:var(--bg);border-radius:20px;overflow:hidden}.rechner-scale>div{height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--gold));transition:width .2s}#copyFeedback{min-height:1.5em}