/* HardnessReport: mobile-first, no frameworks, system fonts */
:root{--ink:#17242d;--muted:#56656f;--line:#dbe4ea;--bg:#fff;--soft:#f2f7fa;--blue:#0a6e9e;--blue-d:#07506f;--blue-l:#e6f3f9;
--soft-b:#2e7d32;--mod-b:#1f78b4;--hard-b:#b36b00;--vh-b:#b3261e}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:18px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--blue);text-underline-offset:2px}
a:hover{color:var(--blue-d)}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
/* header */
.site-header{background:var(--blue-d);color:#fff}
.site-header .wrap{padding-top:14px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:800;font-size:1.25rem;letter-spacing:-.01em}
.brand:hover{color:#fff}
.brand svg{flex:none}
.brand b{color:#9fd8f2;font-weight:800}
nav{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;padding-bottom:4px}
nav a{flex:none;color:#fff;text-decoration:none;font-size:15px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.12)}
nav a:hover,nav a[aria-current]{background:#fff;color:var(--blue-d)}
/* type */
main{padding-top:6px;padding-bottom:20px}
h1{font-size:1.75rem;line-height:1.2;margin:22px 0 10px;letter-spacing:-.01em}
h2{font-size:1.3rem;line-height:1.3;margin:34px 0 10px;padding-top:6px;border-top:1px solid var(--line)}
h3{font-size:1.08rem;margin:22px 0 6px}
p,ul,ol{margin:0 0 14px}
li{margin-bottom:6px}
.lede{font-size:1.08rem;color:var(--muted)}
.meta{font-size:15px;line-height:1.5;color:var(--muted)}
/* answer box */
.big{background:var(--blue-l);border:1px solid #bfe0ef;border-left:6px solid var(--blue);border-radius:12px;padding:16px 18px;margin:18px 0 22px}
.big .num{font-size:2rem;line-height:1.15;font-weight:800;color:var(--blue-d);margin:6px 0 6px;letter-spacing:-.01em}
.big .meta{margin-top:10px}
/* badges */
.badge{display:inline-block;font-size:14px;font-weight:700;line-height:1.3;padding:3px 10px;border-radius:8px;color:#fff;background:var(--muted)}
.b-soft{background:var(--soft-b)}.b-mod{background:var(--mod-b)}.b-hard{background:var(--hard-b)}.b-vh{background:var(--vh-b)}
/* data tables: scroll, never squeeze */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0;border:1px solid var(--line);border-radius:10px}
table{border-collapse:separate;border-spacing:0;width:100%;font-size:15px;line-height:1.45}
.tablewrap table{min-width:560px}
th,td{padding:9px 11px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{background:var(--soft);font-weight:700;white-space:nowrap}
.tablewrap th:first-child,.tablewrap td:first-child{position:sticky;left:0;background:#fff;box-shadow:1px 0 0 var(--line)}
.tablewrap th:first-child{background:var(--soft)}
/* card tables (home, Texas): stacked cards on mobile, 2-column card grid on wide screens */
.cards{margin:14px 0}
.cards table,.cards tbody,.cards tr,.cards td{display:block;width:100%}
.cards tr:first-child{display:none}
.cards tr{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:12px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.cards td{border:0;padding:3px 0}
.cards td::before{content:attr(data-label);display:block;font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.cards td:first-child{font-size:1.15rem;font-weight:700}
.cards td:first-child::before{display:none}
@media (min-width:760px){
 .cards tbody{display:grid;grid-template-columns:1fr 1fr;gap:14px}
 .cards tr{margin:0}
 h1{font-size:2.1rem}
}
/* misc */
.placeholder{border:2px dashed #c9a400;background:#fff8e1;padding:12px 14px;border-radius:10px;font-size:15px;margin:18px 0}
.disclosure{font-size:15px;color:var(--muted);border-left:3px solid var(--line);padding-left:12px}
.conv{display:grid;grid-template-columns:1fr;gap:12px;max-width:440px}
@media (min-width:480px){.conv{grid-template-columns:1fr 1fr}}
.conv label{font-size:14px;color:var(--muted);display:block;margin-bottom:4px}
.conv input{width:100%;font-size:1.2rem;padding:10px;border:1px solid #b9cfdb;border-radius:8px;background:#fff}
.conv input:focus{outline:3px solid #9fd8f2;border-color:var(--blue)}
#cls{font-weight:700}
ol.src li,ul.src li{word-break:break-word;font-size:15px}
.site-footer{background:var(--soft);border-top:1px solid var(--line);margin-top:30px;color:var(--muted);font-size:15px}
.site-footer .wrap{padding-top:18px;padding-bottom:28px}
.site-footer strong{color:var(--ink)}