.rechner *{box-sizing:border-box}.rechner{--ink:#0f172a;--muted:#64748b;--green:#2cc14d;--green2:#159c3a;--red:#d72027;background:radial-gradient(1200px 400px at 50% -120px,rgba(215,32,39,.1),transparent 60%),linear-gradient(#e3f8ea 0%,#fdfefe 50%,#fff 100%),repeating-linear-gradient(90deg,rgba(15,23,42,.03) 0,rgba(15,23,42,.03) 2px,transparent 2px,transparent 10px);min-height:100vh}.rechner .wrap{max-width:88rem;margin-left:auto;margin-right:auto;padding:1.25rem}.rechner .heading{color:var(--ink)}.rechner .muted{color:var(--muted)}.rechner .card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 8px 22px rgba(0,0,0,.06)}.rechner .panel{background:rgba(255,255,255,.98);border:1px solid #e5e7eb;border-radius:18px;padding:1rem}.rechner .badge{color:#0e7f1c;background:#e8f9ea;border:1px solid #cff3d4;border-radius:999px;padding:.25rem .6rem;font-size:.8rem;font-weight:800;display:inline-block}.rechner .btn{border-radius:12px;justify-content:center;align-items:center;gap:.55rem;padding:.8rem 1.15rem;font-weight:800;transition:all .15s;display:inline-flex}.rechner .btn-primary{color:#fff;background:linear-gradient(135deg,var(--green),var(--green2));box-shadow:0 12px 26px rgba(21,156,58,.26)}.rechner .btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}.rechner .btn-ghost{color:var(--ink);background:#fff;border:2px solid rgba(15,23,42,.14)}.rechner .btn-danger{color:#fff;background:var(--red)}.rechner .stepper{flex-wrap:wrap;gap:.6rem;display:flex}.rechner .step{background:#fff;border:1px solid #e5e7eb;border-radius:14px;align-items:center;gap:.5rem;padding:.55rem .9rem;display:flex}.rechner .step.is-active{outline:2px solid var(--green);background:#eafbf0}.rechner .lb-backdrop{z-index:80;background:rgba(0,0,0,.6);place-items:center;display:grid;position:fixed;top:0;bottom:0;left:0;right:0}.rechner .lb-img{border-radius:14px;max-width:92vw;max-height:92vh;box-shadow:0 20px 50px rgba(0,0,0,.35)}.rechner table{border-collapse:collapse;width:100%}.rechner th,.rechner td{text-align:left;border-bottom:1px solid #e5e7eb;padding:.6rem}.rechner th{background:#f8fafc;font-weight:800}.rechner .form-grid{gap:.75rem;display:grid}@media (min-width:640px){.rechner .form-grid-2{grid-template-columns:1fr 1fr}}.rechner input,.rechner textarea,.rechner select{background:#fff;border:1px solid #e5e7eb;border-radius:12px;width:100%;padding:.6rem .8rem}.rechner input:focus,.rechner textarea:focus,.rechner select:focus{outline:2px solid rgba(44,193,77,.25)}.rechner .checkrow{gap:.75rem;display:grid}@media (min-width:640px){.rechner .checkrow{grid-template-columns:1fr 1fr}}.rechner .checklabel{background:#fff;border:1px dashed #e5e7eb;border-radius:12px;align-items:center;gap:.5rem;padding:.6rem .8rem;display:flex}.rechner .checklabel input{width:auto}.rechner .agb{align-items:center;gap:.6rem;display:flex}.rechner .agb input{width:auto}.rechner .agb a{color:#0f172a;text-decoration:underline}.rechner .error{color:var(--red);font-weight:800}