*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,sans-serif;line-height:1.55;color:#1f2a1a;background:#f6f8ef}
img,svg{max-width:100%;height:auto}
.container{max-width:1080px;margin:0 auto;padding:0 20px}

.site-header{background:#2f6b3a;color:#fff;padding:14px 0}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.1rem}
.brand-mark{flex-shrink:0}
.site-nav{display:flex;gap:18px;flex-wrap:wrap}
.site-nav a{color:#e9f5d8;text-decoration:none;font-size:.95rem}
.site-nav a:hover{text-decoration:underline}

main{padding:24px 0 60px}
section{margin-bottom:48px}
h1{font-size:1.9rem;margin:0 0 12px;color:#1e4a26}
h2{font-size:1.4rem;margin:0 0 14px;color:#1e4a26}
h3{font-size:1.1rem;margin:24px 0 8px;color:#2b5c33}
p{margin:0 0 14px}
ul,ol{padding-left:20px;margin:0 0 14px}
li{margin-bottom:6px}
.lede{font-size:1.1rem;color:#3a4a32}

.worksheet{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
@media(max-width:860px){.worksheet{grid-template-columns:1fr}}
.worksheet-controls{display:flex;flex-direction:column;gap:14px;background:#fff;padding:18px;border-radius:10px;border:1px solid #d8e1cc}
.worksheet-result{background:#fff;padding:18px;border-radius:10px;border:1px solid #d8e1cc}
.result-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.result-header h2{margin:0}
.badge{display:inline-block;background:#e9f5d8;color:#2b5c33;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:600}
.diagram-wrap{background:#f9f6ec;border-radius:8px;padding:10px;margin-bottom:14px}
.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:0 0 14px}
.result-stats>div{background:#f3f7ea;padding:8px 10px;border-radius:6px}
.result-stats dt{font-size:.75rem;color:#5a6a4e;text-transform:uppercase;letter-spacing:.04em}
.result-stats dd{margin:0;font-weight:700;font-size:1.1rem;color:#1e4a26}
.result-notes p{margin:0;font-size:.95rem;color:#3a4a32}

.type-tabs{display:flex;flex-wrap:wrap;gap:6px;background:#eef3e5;padding:4px;border-radius:8px}
.tab{border:0;background:transparent;padding:8px 14px;border-radius:6px;cursor:pointer;font-weight:600;color:#2b5c33;font-size:.9rem}
.tab.active{background:#2f6b3a;color:#fff}
.tab:focus-visible{outline:2px solid #1e4a26;outline-offset:2px}

.field{display:flex;flex-direction:column;gap:4px;font-size:.88rem;color:#3a4a32;font-weight:600}
.field input,.field select{padding:8px 10px;border:1px solid #c7d3b8;border-radius:6px;font-size:.95rem;font-family:inherit;background:#fff}
.field input:focus,.field select:focus{border-color:#2f6b3a;outline:2px solid #2f6b3a33}
.field input[type=range]{padding:0}

.custom-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.custom-fields .field:first-child{grid-column:1/-1}

.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:6px;border:1px solid #2f6b3a;background:#2f6b3a;color:#fff;font-weight:600;cursor:pointer;font-size:.95rem}
.btn:hover{background:#25592f}
.btn-ghost{background:transparent;color:#2f6b3a}
.btn-ghost:hover{background:#eef3e5}

.planner-controls{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:14px}
.planner-wrap{overflow:auto;background:#fff;border:1px solid #d8e1cc;border-radius:10px;padding:14px}
.bed-grid{display:grid;gap:1px;background:#d8e1cc;border:2px solid #8a6a3a}
.bed-cell{background:#fff;aspect-ratio:1}

#guide h2{margin-top:0}
#guide dl{margin:14px 0}
#guide dt{font-weight:700;color:#1e4a26;margin-top:12px}
#guide dd{margin:0 0 8px;color:#3a4a32}

.site-footer{background:#1e4a26;color:#e9f5d8;padding:28px 0;font-size:.88rem}
.site-footer a{color:#cfe6b4}
.site-footer .small{color:#a9bfa0;margin-top:10px}

@media print{
  .site-header,.site-nav,.worksheet-controls,.planner-controls,.site-footer,#guide,.intro{display:none!important}
  body{background:#fff}
  .worksheet-result{border:0;padding:0}
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}