.hbr-form{max-width:600px;margin:2em auto;padding:1.5em;background:#fff;border:1px solid #ddd;border-radius:6px;box-shadow:0 0 10px rgba(0,0,0,.05)}.hbr-form h2{margin-bottom:1em;color:#e53935}.hbr-field{margin-bottom:1.2em}.hbr-field label{display:block;margin-bottom:.4em;font-weight:600}.hbr-field input,.hbr-field select{width:100%;padding:.6em;border:1px solid #ccc;border-radius:4px;font-size:1em}.hbr-row{display:flex;gap:1em;flex-wrap:wrap}.hbr-row .hbr-field{flex:1;min-width:150px}.hbr-submit{margin-top:1.5em;text-align:center}.hbr-submit button{background-color:#e53935;color:#fff;padding:.8em 1.5em;font-size:1em;border:none;border-radius:4px;cursor:pointer;transition:background .3s ease}.hbr-submit button:hover{background-color:#c62828}.hbr-response{margin-top:1em;font-size:1em}.hbr-response .hbr-error{color:#d32f2f}.hbr-preview{max-width:600px;margin:2em auto;padding:1em;background:#fafafa;border:1px solid #eee;border-radius:6px;text-align:center}.hbr-result-info{margin-top:1.5em;font-weight:700;color:#2e7d32;font-size:1.2em}#svg-heizung{transition:transform .4s ease-in-out}.svg-strahlung{animation:pulsieren 2s infinite;opacity:.7}@keyframes pulsieren{0%{stroke-opacity:.4}50%{stroke-opacity:1}100%{stroke-opacity:.4}}