:root{--cream:#fbf6ec;--ink:#1f1a16;--muted:#4a413a;--accent:#8c2f1c;--line:#e3d8c5;--warn:#fdecea;--warnline:#c0392b;--ok:#eef6ec}
*{box-sizing:border-box}
body{margin:0;background:var(--cream);color:var(--ink);font:18px/1.65 -apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
header,footer{border-bottom:1px solid var(--line);padding:14px 20px}
footer{border-top:1px solid var(--line);border-bottom:0;color:var(--muted);font-size:15px;margin-top:48px}
.brand{font-family:Georgia,"Times New Roman",serif;font-weight:700;font-size:22px;color:var(--accent);text-decoration:none}
main{max-width:760px;margin:0 auto;padding:24px 20px}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.25}
h1{font-size:36px}h2{font-size:27px;margin-top:40px}h3{font-size:21px}
a{color:var(--accent)}
.byline{color:var(--muted);font-size:15px;border-left:3px solid var(--line);padding-left:10px}
.calc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;margin:28px 0}
.calc fieldset{border:0;padding:0;margin:0 0 14px}
.calc label{display:block;font-weight:600;margin:10px 0 4px}
.calc .hint{font-size:14px;color:var(--muted);margin:2px 0 0}
.calc input,.calc select{font:inherit;padding:8px 10px;border:1px solid #b9ad99;border-radius:6px;background:#fff;color:var(--ink)}
.calc input[type=number]{width:13em}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.results{margin-top:18px;border-top:1px solid var(--line);padding-top:12px}
.results table{width:100%;border-collapse:collapse}
.results td{padding:8px 4px;border-bottom:1px solid var(--line);vertical-align:top}
.results td.num{text-align:right;font-weight:700;white-space:nowrap}
.blocked{background:var(--warn);border:1px solid var(--warnline);border-radius:8px;padding:14px}
.errors{background:var(--warn);border-radius:8px;padding:10px 14px}
.note{font-size:14px;color:var(--muted)}
button{font:inherit;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:8px 14px;cursor:pointer}
.hidden{display:none}
.preview-banner{background:#fff3c4;text-align:center;font-size:14px;padding:6px}

.safety-note{border-left:3px solid #8a5a2b;background:#faf6f0;padding:.6em .9em;margin:0 0 1.2em;font-size:.92em;color:#333}
footer .disclaimer{font-size:.85em;color:#444}
#drying-tracker{border:1px solid #d9cbb8;border-radius:8px;padding:1em;margin:1.2em 0;background:#fffdf9}
#drying-tracker label{display:inline-block;margin:0 .8em .5em 0}
#drying-tracker table{border-collapse:collapse;width:100%;margin-top:.6em}#drying-tracker td,#drying-tracker th{border-bottom:1px solid #eee;padding:.3em;text-align:left}
.dt-warn{color:#8a3b12}