:root{color:#4a3c2a;background:#fbf7f2;font-family:Georgia,Times New Roman,serif;font-synthesis:none;text-rendering:optimizeLegibility;--lpg-orange: #e67e22;--lpg-orange-dark: #cf6d18;--lpg-brown: #3c2f23;--lpg-text: #4a3c2a;--lpg-cream: #fbf7f2;--lpg-card: #fffdfa;--lpg-border: #e0d6c9;--lpg-muted: #7c6f63;--lpg-error: #9f2f19}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:var(--lpg-cream)}button,input,select{font:inherit}button,a,input,select,[tabindex]{outline-offset:3px}:focus-visible{outline:3px solid #8c4a10}a{color:#a54d09;text-underline-offset:.2em}a:hover{color:#743405}.calculator-shell{width:min(100% - 32px,980px);margin:0 auto;padding:40px 0 64px}.calculator-header{margin-bottom:24px;text-align:center}.calculator-header h1,.calculator-header p{margin:0}.calculator-header h1{color:var(--lpg-brown);font-size:clamp(1.7rem,4vw,2.2rem)}.calculator-header>p:last-child{margin-top:8px}.eyebrow{margin-bottom:6px!important;color:var(--lpg-orange-dark);font-family:Arial,Helvetica,sans-serif;font-size:.78rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.progress-block{width:min(100%,800px);margin:0 auto 22px}.progress-block label{display:block;margin-bottom:7px;color:var(--lpg-muted);font-family:Arial,Helvetica,sans-serif;font-size:.85rem;font-weight:700}.progress-block progress{display:block;width:100%;height:10px;overflow:hidden;border:0;border-radius:999px;background:#e0d6c9;color:var(--lpg-orange)}.progress-block progress::-webkit-progress-bar{background:#e0d6c9}.progress-block progress::-webkit-progress-value{border-radius:999px;background:var(--lpg-orange);transition:width .18s ease}.progress-block progress::-moz-progress-bar{border-radius:999px;background:var(--lpg-orange)}.step-card{width:min(100%,800px);margin:0 auto;padding:clamp(20px,4vw,32px);border:1px solid rgb(224 214 201 / 75%);border-radius:14px;background:var(--lpg-card);box-shadow:0 5px 18px #3c2f2314}.step-card h2{margin:0 0 24px;color:var(--lpg-brown);font-size:clamp(1.25rem,3vw,1.55rem);line-height:1.25;text-align:center}.step-card h3{color:var(--lpg-brown)}.option-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.option-card{min-height:84px;margin:0;padding:16px;border:1px solid var(--lpg-border);border-radius:12px;background:#fffdfa;color:var(--lpg-brown);font-weight:700;line-height:1.35;cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}.option-card:hover{border-color:var(--lpg-orange);background:#fcefe4;transform:translateY(-1px)}.button,.lpg-btn{appearance:none;min-height:44px;margin:0;padding:11px 20px;border:1px solid transparent;border-radius:10px;font-weight:700;line-height:1.25;cursor:pointer;transition:background .16s ease,border-color .16s ease}.button-primary{background:var(--lpg-orange);color:#fff}.button-primary:hover{background:var(--lpg-orange-dark)}.button-secondary{border-color:var(--lpg-border);background:#f3eee8;color:var(--lpg-brown)}.button-secondary:hover{border-color:#c9b8a7;background:#e9e0d6}.button:disabled,.lpg-btn:disabled{cursor:not-allowed;opacity:.55}.step-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}.form-grid,.two-column-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 32px;align-items:start}label,legend{color:var(--lpg-text);font-weight:700}label output{display:inline-block;margin-left:8px;color:var(--lpg-orange-dark)}input:not([type=radio]):not([type=checkbox]),select{display:block;width:100%;min-height:44px;margin-top:7px;padding:10px 12px;border:1px solid var(--lpg-border);border-radius:8px;background:#fff;color:var(--lpg-brown)}input[type=range]{min-height:30px!important;padding:0!important;accent-color:var(--lpg-orange)}input:disabled,select:disabled{background:#eee9e3;cursor:not-allowed}fieldset{min-width:0;margin:0;padding:16px;border:1px solid var(--lpg-border);border-radius:10px;background:#fdfaf7}.radio-label{display:flex;align-items:center;gap:8px;margin:10px 0;font-weight:400}input[type=radio],input[type=checkbox]{width:18px;height:18px;flex:0 0 auto;accent-color:var(--lpg-orange)}.result-box{margin-top:20px;padding:14px;border:1px solid #eadfd2;border-radius:10px;background:#fffefa;box-shadow:0 2px 5px #3c2f230d;color:#5c4033;line-height:1.5}.two-column-grid .result-box{margin-top:0}.result-box-error,.form-errors,.transition-error,.document-status-error{border-color:#e4a08e;background:#fff0eb;color:var(--lpg-error)}.form-errors,.transition-error,.document-status,.catalog-status{width:min(100%,800px);margin:16px auto;padding:13px 15px;border:1px solid var(--lpg-border);border-radius:10px}.form-errors p,.form-errors ul,.catalog-status p{margin-top:0}.form-errors ul,.catalog-status p:last-child{margin-bottom:0}.catalog-status-warning,.msg-warn{border-color:#efcd82;background:#fff7e0;color:#744210}.catalog-status-error{border-color:#e4a08e;background:#fff0eb;color:var(--lpg-error)}.catalog-status .button{margin-top:8px}.msg-ok,.msg-warn{margin:12px 0 0;padding:10px 12px;border:1px solid;border-radius:8px;font-size:.9rem}.msg-ok{border-color:#b5d9c5;background:#e9f6f0;color:#276749}.metadata-grid,.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:24px 0;overflow:hidden;border:1px solid var(--lpg-border);border-radius:10px;background:var(--lpg-border)}.metadata-grid>div,.summary-grid>div{min-width:0;padding:13px 15px;background:#fff}.metadata-grid dt,.summary-grid dt{margin-bottom:5px;color:var(--lpg-brown);font-weight:700}.metadata-grid dd,.summary-grid dd{margin:0;overflow-wrap:anywhere;color:var(--lpg-muted)}.summary-advice{margin:9px 0 0;color:#744210;font-size:.9rem}.summary-disclaimer{padding-left:12px;border-left:4px solid var(--lpg-orange)}.advice-box{margin:16px 0;padding:15px 18px;border-left:4px solid var(--lpg-orange);border-radius:8px;background:#fffaf5}.advice-box h3{margin:0 0 8px;font-size:1rem}.advice-box ul{margin:0;padding-left:22px}.advice-box li+li{margin-top:7px}.fatal-error{width:min(100% - 32px,620px);margin:12vh auto;padding:32px;border:1px solid #e4a08e;border-radius:14px;background:#fffdfa;text-align:center}.calculator-locked .calculator-shell{filter:grayscale(1);opacity:.3}.lpg-waiver-overlay{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:20px;overflow-y:auto;background:#0a0a0aad;-webkit-backdrop-filter:saturate(1.1) blur(2px);backdrop-filter:saturate(1.1) blur(2px)}.lpg-waiver-modal{position:relative;display:flex;width:min(100%,860px);max-height:calc(100vh - 40px);flex-direction:column;border-radius:16px;background:#fff;box-shadow:0 10px 40px #00000040;font-family:Arial,Helvetica,sans-serif}.lpg-waiver-header{padding:22px 24px 0}.lpg-waiver-title,.lpg-waiver-locked h1{margin:0;padding-right:30px;color:#1f2937;font-size:1.3rem}.lpg-waiver-meta{margin:7px 0 0;color:#6b7280;font-size:.86rem}.lpg-waiver-editor{margin:10px 0 16px;padding:12px 14px;border:1px solid #e5e7eb;border-radius:12px;background:#f8fafc;color:#374151;font-size:.88rem;line-height:1.5}.lpg-waiver-links{margin-top:5px}.lpg-waiver-body{padding:4px 24px 10px;overflow-y:auto}.lpg-waiver-body h2{margin:18px 0 6px;color:#1f2937;font-size:1rem;text-align:left}.lpg-waiver-body p,.lpg-waiver-body li{color:#374151;font-size:.94rem;line-height:1.55}.lpg-waiver-footer{display:flex;flex-direction:column;gap:12px;padding:16px 24px 20px;border-top:1px solid #eef2f7}.lpg-waiver-ack{display:flex;align-items:flex-start;gap:10px;margin:0;color:#1f2937;font-size:.92rem}.lpg-waiver-actions{display:flex;flex-wrap:wrap;gap:10px}.lpg-btn{border-radius:999px}.lpg-btn-decline{background:#e5e7eb;color:#111827}.lpg-btn-decline:hover{background:#d1d5db}.lpg-btn-accept{background:#111827;color:#fff}.lpg-btn-accept:hover:not(:disabled){background:#374151}.lpg-waiver-close{position:absolute;z-index:1;top:10px;right:10px;width:40px;height:40px;border:0;border-radius:50%;background:transparent;color:#6b7280;font-size:1.5rem;line-height:1;cursor:pointer}.lpg-waiver-close:hover{background:#f3f4f6}.lpg-waiver-error{margin:0;padding:10px 12px;border-radius:8px;background:#fff0eb;color:var(--lpg-error)}.lpg-waiver-locked{padding:40px 32px;text-align:center}.lpg-waiver-locked h1{padding:0}.lpg-waiver-locked p{margin:16px auto 22px;max-width:600px;color:#4b5563;line-height:1.55}@media(max-width:720px){.calculator-shell{width:min(100% - 20px,980px);padding-top:24px}.option-grid,.form-grid,.two-column-grid,.metadata-grid,.summary-grid{grid-template-columns:1fr}.option-card{min-height:60px}.step-actions .button{width:100%}.lpg-waiver-overlay{display:block;padding:0}.lpg-waiver-modal{width:100%;min-height:100vh;max-height:none;border-radius:0}.lpg-waiver-header,.lpg-waiver-body,.lpg-waiver-footer{padding-right:18px;padding-left:18px}.lpg-waiver-actions .lpg-btn{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}