:root{--iwl-primary:#1a3c5e;--iwl-accent:#c8922a;--iwl-btn-cta:#1a3c5e;--iwl-light:#f4f7fb;--iwl-border:#d1dae6;--iwl-text:#1e2d3e;--iwl-muted:#6b7d8f;--iwl-success:#2e7d32;--iwl-radius:8px;--iwl-shadow:0 2px 12px rgba(0,0,0,.10)}.iwl-rechner{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:16px;color:var(--iwl-text);max-width:680px;margin:0 auto;padding:0 16px}.iwl-steps{display:flex;justify-content:space-between;margin-bottom:32px;position:relative}.iwl-steps::before{content:'';position:absolute;top:18px;left:0;right:0;height:2px;background:var(--iwl-border);z-index:0}.iwl-step{display:flex;flex-direction:column;align-items:center;gap:6px;z-index:1;flex:1}.iwl-step-circle{width:36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--iwl-border);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--iwl-muted);transition:all .25s}.iwl-step.active .iwl-step-circle{background:var(--iwl-primary);border-color:var(--iwl-primary);color:#fff}.iwl-step.done .iwl-step-circle{background:var(--iwl-accent);border-color:var(--iwl-accent);color:#fff}.iwl-step-label{font-size:11px;color:var(--iwl-muted);text-align:center;line-height:1.3}.iwl-step.active .iwl-step-label{color:var(--iwl-primary);font-weight:600}.iwl-panel{background:#fff;border:1px solid var(--iwl-border);border-radius:var(--iwl-radius);padding:28px 24px;box-shadow:var(--iwl-shadow);display:none}.iwl-panel.iwl-active{display:block}.iwl-panel-title{font-size:20px;font-weight:700;color:var(--iwl-primary);margin:0 0 6px}.iwl-panel-sub{font-size:14px;color:var(--iwl-muted);margin:0 0 24px}.iwl-field{margin-bottom:18px}.iwl-field.iwl-hidden{display:none}.iwl-field label{display:block;font-size:14px;font-weight:600;color:var(--iwl-text);margin-bottom:6px}.iwl-field label .iwl-required{color:#d32f2f;margin-left:2px}.iwl-field label .iwl-hint{font-weight:400;color:var(--iwl-muted);font-size:12px;margin-left:4px}.iwl-field input[type="text"],.iwl-field input[type="number"],.iwl-field input[type="email"],.iwl-field input[type="tel"],.iwl-field select{width:100%;padding:10px 14px;border:1px solid var(--iwl-border);border-radius:var(--iwl-radius);font-size:15px;color:var(--iwl-text);background:#fff;box-sizing:border-box;transition:border-color .2s;appearance:none}.iwl-field input:focus,.iwl-field select:focus{outline:none;border-color:var(--iwl-primary);box-shadow:0 0 0 3px rgb(26 60 94 / .12)}.iwl-field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7d8f' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}.iwl-checks{display:grid;grid-template-columns:1fr 1fr;gap:8px}.iwl-check-item{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.iwl-check-item input[type="checkbox"]{width:17px;height:17px;accent-color:var(--iwl-primary);cursor:pointer;flex-shrink:0}.iwl-btn-row{display:flex;gap:12px;margin-top:24px}.iwl-btn{padding:12px 28px;border-radius:var(--iwl-radius);font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s;flex:1}.iwl-btn-primary{background:var(--iwl-btn-cta);color:#fff}.iwl-btn-primary:hover{filter:brightness(.85)}.iwl-btn-secondary{background:#fff0;color:var(--iwl-primary);border:2px solid var(--iwl-primary);flex:0 0 auto}.iwl-btn-secondary:hover{background:var(--iwl-light)}.iwl-btn:disabled{opacity:.5;cursor:not-allowed}.iwl-quick-result{margin-top:20px;padding:16px 20px;background:var(--iwl-light);border:1px solid var(--iwl-border);border-left:4px solid var(--iwl-accent);border-radius:var(--iwl-radius);display:none}.iwl-quick-result.iwl-visible{display:block}.iwl-quick-result-label{font-size:13px;color:var(--iwl-muted);margin-bottom:4px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.iwl-quick-result-range{font-size:24px;font-weight:700;color:var(--iwl-primary)}.iwl-quick-result-note{font-size:12px;color:var(--iwl-muted);margin-top:6px}.iwl-result-panel{background:#fff;border:2px solid var(--iwl-primary);border-radius:var(--iwl-radius);overflow:hidden;margin-top:8px;display:none}.iwl-result-panel.iwl-visible{display:block}.iwl-result-header{background:var(--iwl-primary);color:#fff;padding:20px 24px}.iwl-result-header-label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;opacity:.75;margin-bottom:4px}.iwl-result-main-value{font-size:36px;font-weight:800;line-height:1}.iwl-result-sqm{font-size:14px;opacity:.80;margin-top:4px}.iwl-result-body{padding:20px 24px}.iwl-range-bar{margin:16px 0}.iwl-range-bar-label{font-size:12px;color:var(--iwl-muted);margin-bottom:6px}.iwl-range-track{position:relative;height:8px;background:var(--iwl-light);border-radius:4px;overflow:visible}.iwl-range-fill{position:absolute;height:100%;border-radius:4px;background:linear-gradient(90deg,#c8922a44,var(--iwl-accent))}.iwl-range-pointer{position:absolute;width:16px;height:16px;background:var(--iwl-primary);border:2px solid #fff;border-radius:50%;top:50%;transform:translate(-50%,-50%);box-shadow:0 1px 4px rgb(0 0 0 / .25)}.iwl-range-numbers{display:flex;justify-content:space-between;font-size:13px;color:var(--iwl-muted);margin-top:6px}.iwl-detail-table{width:100%;border-collapse:collapse;font-size:14px;margin-top:16px}.iwl-detail-table td{padding:7px 0;border-bottom:1px solid var(--iwl-light)}.iwl-detail-table td:first-child{color:var(--iwl-muted)}.iwl-detail-table td:last-child{text-align:right;font-weight:600}.iwl-detail-table tr:last-child td{border-bottom:none}.iwl-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.iwl-method-box{background:var(--iwl-light);border-radius:6px;padding:14px;text-align:center}.iwl-method-label{font-size:11px;color:var(--iwl-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.iwl-method-value{font-size:18px;font-weight:700;color:var(--iwl-primary)}.iwl-hinweise{margin-top:16px}.iwl-hinweis{display:flex;gap:8px;font-size:13px;color:var(--iwl-muted);margin-bottom:6px}.iwl-hinweis::before{content:'ℹ';flex-shrink:0;color:var(--iwl-accent)}.iwl-disclaimer{margin-top:20px;padding:12px 16px;background:#fff8e8;border:1px solid #f0c060;border-radius:var(--iwl-radius);font-size:12px;color:#6b5300;line-height:1.6}.iwl-dsgvo-notice{background:#e8f0fe;border:1px solid #b3c6f7;border-left:4px solid var(--iwl-primary);border-radius:var(--iwl-radius);padding:14px 16px;font-size:13px;color:#1e2d3e;line-height:1.6;margin-bottom:20px}.iwl-dsgvo-notice strong{display:block;margin-bottom:4px;color:var(--iwl-primary)}.iwl-dsgvo-box{margin-top:8px;display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--iwl-muted);line-height:1.5}.iwl-dsgvo-box input[type="checkbox"]{margin-top:2px;accent-color:var(--iwl-primary);flex-shrink:0}.iwl-cta-box{margin-top:20px;padding:16px 18px;background:#f0f5ff;border:1px solid #c0d0f0;border-radius:var(--iwl-radius);font-size:14px;color:var(--iwl-text);line-height:1.6}.iwl-cta-box p:first-child{font-weight:600;margin:0 0 6px}.iwl-cta-box p{margin:0}.iwl-thankyou{text-align:center;padding:32px 16px;display:none}.iwl-thankyou.iwl-visible{display:block}.iwl-thankyou-icon{font-size:48px;margin-bottom:12px}.iwl-thankyou h3{color:var(--iwl-primary);margin:0 0 8px}.iwl-thankyou p{color:var(--iwl-muted);font-size:15px}.iwl-loading{display:none;text-align:center;padding:20px;color:var(--iwl-muted)}.iwl-loading.iwl-visible{display:block}.iwl-spinner{display:inline-block;width:28px;height:28px;border:3px solid var(--iwl-border);border-top-color:var(--iwl-primary);border-radius:50%;animation:iwl-spin .7s linear infinite;vertical-align:middle;margin-right:8px}@keyframes iwl-spin{to{transform:rotate(360deg)}}.iwl-error{background:#fde8e8;border:1px solid #f5a0a0;color:#b00020;padding:10px 14px;border-radius:6px;font-size:14px;margin-top:12px;display:none}.iwl-error.iwl-visible{display:block}@media (max-width:480px){.iwl-panel{padding:20px 16px}.iwl-step-label{display:none}.iwl-result-main-value{font-size:28px}.iwl-methods{grid-template-columns:1fr}.iwl-checks{grid-template-columns:1fr}.iwl-btn-row{flex-direction:column}}