:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#213b3b;background:#f3f7f5;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:#12645b;text-underline-offset:3px}header{background:#fff;border-bottom:1px solid #dbe7e0;padding:18px max(20px,calc((100vw - 1100px)/2));display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.brand{font-size:24px;font-weight:800;text-decoration:none}nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}main{max-width:1100px;margin:32px auto;padding:0 20px}.narrow{max-width:550px}.hero{padding:25px 0}h1{font-size:clamp(25px,4vw,38px);line-height:1.3;margin:0 0 14px}h2{font-size:23px}h3{margin-top:0}.muted{color:#5c746d}.card,.panel{background:white;border:1px solid #dbe7e0;border-radius:16px;padding:24px;margin-bottom:20px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(275px,1fr));gap:20px}.grid .card{margin:0}label{display:block;font-weight:600;margin:12px 0 5px}input,select,textarea{font:inherit;width:100%;border:1px solid #adc4b9;border-radius:8px;padding:10px;background:#fff;color:#213b3b}textarea{min-height:90px}button,.button{font:inherit;cursor:pointer;background:#12645b;color:white;border:0;border-radius:8px;padding:10px 18px;text-decoration:none;display:inline-block}button:disabled{opacity:.55;cursor:wait}.secondary{color:#12645b;background:#eaf2ed}.danger{background:#9d3333}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #e4ac40;outline-offset:3px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.notice{padding:12px 16px;border-radius:8px;background:#e5f0eb;margin:16px 0;white-space:pre-line}.error{background:#fcebe8;color:#922b27}[hidden]{display:none!important}.row{display:flex;gap:16px;flex-wrap:wrap}.row>*{flex:1;min-width:150px}.badge{font-size:13px;border-radius:20px;background:#eaf2ed;padding:4px 10px}.price{font-size:24px;font-weight:700}.dev-banner{text-align:center;background:#fff2cb;font-size:13px;padding:4px}.tabs{display:flex;gap:8px;margin:20px 0;flex-wrap:wrap}.tabs button[aria-selected=true]{background:#12645b;color:white}details{margin-top:16px}summary{cursor:pointer}ul{padding-left:22px}small{display:block;color:#5c746d}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:10px;border-bottom:1px solid #dbe7e0}@media(max-width:600px){main{margin:20px auto}.card,.panel{padding:18px}header{padding:14px 20px}nav{gap:12px;font-size:14px}}
/* Tab colors follow selection state, including buttons without .secondary. */
.tabs button[aria-selected="false"] { background:#eaf2ed; color:#12645b; }

#operationalControls .control-option{display:flex;align-items:center;gap:8px}#operationalControls input[type="checkbox"]{width:20px;height:20px;flex:none}