:root{font-family:Arial,Helvetica,sans-serif;color:#203e45;background:#eef3f5;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:1080px;margin:auto;padding:28px 28px max(24px,env(safe-area-inset-bottom))}header,.brand,.eyebrow,.legend,.price-header,footer{display:flex;justify-content:space-between;align-items:center}.brand{gap:12px}.brand strong{letter-spacing:3px;font-size:18px}.brand small{display:block;color:#73868a;font-size:11px;margin-top:5px}.logo{background:#244c50;color:white;border-radius:12px;font-size:36px;width:48px;height:48px;text-align:center}.badge{font-size:10px;letter-spacing:1px;background:#dde9e8;color:#335f5b;border-radius:30px;padding:9px 12px}.intro{padding:38px 0 26px;display:flex;justify-content:space-between;align-items:flex-end}h1{font-size:44px;letter-spacing:-2px;line-height:1.08;margin:0}h1 span{color:#739b96}.intro p{font-size:14px;line-height:1.6;color:#718388}.workspace{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}.card{background:#fff;border:1px solid #dce5e6;border-radius:22px;padding:26px}.eyebrow{font-size:10px;letter-spacing:1.6px;font-weight:700;gap:10px}.eyebrow span{font-weight:400;letter-spacing:0;color:#788b90}#drawing{height:280px;display:flex;align-items:center;justify-content:center;background:radial-gradient(#d6e2e5 1px,transparent 1px);background-size:16px 16px;margin:20px 0 12px;border-radius:12px}svg{width:100%;height:100%}.legend{font-size:10px;color:#72868a;gap:10px}.types{display:flex;gap:8px;margin-top:24px}.types button{flex:1;padding:12px 5px;background:#f7f9fa;border:1px solid #dce5e6;border-radius:10px;color:#6b7f84;font-size:12px}.types button span{display:block;font-size:30px;line-height:1.2;margin-bottom:5px}.types button[aria-pressed=true]{border-color:#357b72;background:#e8f2ef;color:#24665d}.hint{font-size:11px;color:#7d8f93;margin:14px 0 0}label{display:block;font-size:12px;font-weight:600;margin-top:21px}input,select{display:block;width:100%;border:1px solid #d8e2e4;background:#f8fafb;color:#28434a;font:inherit;font-size:15px;border-radius:9px;padding:13px;margin-top:8px;min-height:46px}input:focus,select:focus,button:focus-visible{outline:2px solid #38887c;outline-offset:3px}.dimensions{display:grid;grid-template-columns:1fr 1fr;gap:12px}fieldset{border:0;padding:0;margin:22px 0}legend{font-size:12px;font-weight:600}#openings label{margin-top:10px;font-size:11px;color:#728489}#openings{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px}#openings select{font-size:12px;padding:10px 4px}.primary{display:flex;justify-content:space-between;width:100%;background:#2d6d62;border:0;border-radius:10px;color:white;padding:17px;font-size:14px;font-weight:600;cursor:pointer}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}#error{font-size:13px;color:#ad3c31;line-height:1.5;margin-bottom:0}.result{margin-top:20px}h2{font-size:38px;margin:12px 0 5px;letter-spacing:-1px}#area{font-size:12px;color:#74868a}summary{cursor:pointer;font-size:13px;font-weight:600;padding:18px 0;border-top:1px solid #e5ebed;margin-top:15px}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{padding:12px 8px;border-bottom:1px solid #edf1f2;text-align:right}th{font-size:10px;color:#788d92}td:first-child,th:first-child{text-align:left}td:not(:first-child){white-space:nowrap}.disclaimer{font-size:11px;line-height:1.6;color:#7d8c90;max-width:700px}footer{font-size:11px;color:#89999d;margin-top:26px;gap:20px}footer span{font-size:9px;letter-spacing:1px}[hidden]{display:none!important}@media(max-width:700px){main{padding:18px 16px max(24px,env(safe-area-inset-bottom))}.workspace{grid-template-columns:1fr;gap:14px}.intro{padding:28px 2px 22px}.intro p{display:none}h1{font-size:36px}.card{padding:20px;border-radius:18px}#drawing{height:245px}.price-header{align-items:flex-start;flex-direction:column;gap:10px}h2{font-size:32px}footer{align-items:flex-start;flex-direction:column;gap:10px}.brand small{font-size:10px}}

header{margin-bottom:28px}#openings{grid-template-columns:1fr}#openings select{font-size:14px;padding:12px}

.types button .three-pane-icon{height:36px}.three-pane-icon svg{display:block;width:36px;height:36px;margin:auto}

.preferences{display:flex;gap:14px;margin:-8px 0 24px}.preferences label{margin:0;flex:1;max-width:240px}.types button .currency-symbol{font:inherit}th b{font-weight:inherit}