/* Shared design system for the free tool pages under gstsnap.ca.
   Kept in one file so all tool pages stay visually identical and the
   stylesheet is cached once across the set. */
:root{
  --teal:#0E7C7B; --tealDark:#0A5F5E; --tealTint:#E8F4F3;
  --ink:#14211F; --muted:#5A6B68; --faint:#8A9997;
  --border:#DDE6E4; --bg:#F7FAF9; --white:#fff;
  --amber:#B0730B; --amberBg:#FDF4E3;
  --green:#1B6E4A; --greenBg:#E7F4EC;
  --red:#A32F2F; --redBg:#FBECEC;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Manrope,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;line-height:1.55}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{background:var(--white);border-bottom:1px solid var(--border);padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:17px}
.brand img{width:28px;height:28px}
h1{font-size:clamp(28px,5vw,40px);line-height:1.15;font-weight:800;letter-spacing:-.5px;margin:34px 0 12px}
.lede{font-size:17px;color:var(--muted);margin-bottom:28px;max-width:62ch}
h2{font-size:24px;font-weight:800;margin:38px 0 14px;letter-spacing:-.3px}
h3{font-size:17px;font-weight:800;margin:22px 0 6px}
p{margin-bottom:12px;color:var(--muted)}
ul,ol{margin:0 0 14px 20px;color:var(--muted)}
li{margin-bottom:6px}
a{color:var(--teal)}
.card{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:22px;margin-bottom:18px}
.tabs{display:flex;gap:8px;margin-bottom:18px}
.tab{flex:1;padding:11px 10px;border:1px solid var(--border);background:var(--white);border-radius:11px;
  font-family:inherit;font-weight:700;font-size:14px;cursor:pointer;color:var(--muted)}
.tab[aria-selected="true"]{background:var(--teal);border-color:var(--teal);color:#fff}
label{display:block;font-weight:700;font-size:13px;margin-bottom:6px;color:var(--ink)}
input,select{width:100%;height:48px;padding:0 13px;border:1px solid var(--border);border-radius:11px;
  font-family:inherit;font-size:16px;background:var(--white);color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--teal);outline-offset:-1px}
.hint{font-size:12.5px;color:var(--faint);font-weight:400;margin-top:5px}
.row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.row>div{flex:1 1 200px}
.out{background:var(--tealTint);border-radius:13px;padding:18px 20px;margin-top:4px}
.line{display:flex;justify-content:space-between;align-items:baseline;padding:7px 0;font-size:15px;gap:14px}
.line+.line{border-top:1px solid rgba(14,124,123,.14)}
.line b{font-family:'JetBrains Mono',monospace;font-weight:700;white-space:nowrap}
.line.total{font-size:19px;font-weight:800;padding-top:12px;margin-top:4px;border-top:2px solid rgba(14,124,123,.3)}
.line.total b{color:var(--tealDark);font-size:22px}
.line.sub{font-size:13.5px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:15px;background:var(--white);
  border:1px solid var(--border);border-radius:13px;overflow:hidden}
th{background:var(--ink);color:#fff;text-align:left;padding:11px 14px;font-size:13.5px;font-weight:700}
td{padding:10px 14px;border-top:1px solid var(--border);color:var(--ink)}
td.r,th.r{text-align:right}
td.r{font-family:'JetBrains Mono',monospace;font-weight:700}
tr:nth-child(even) td{background:#FAFCFB}
.note{background:var(--amberBg);border-left:3px solid var(--amber);border-radius:0 10px 10px 0;
  padding:13px 16px;font-size:14px;color:#6B4A08;margin:16px 0}
.note b{color:#573C06}
.verdict{border-radius:13px;padding:18px 20px;margin-top:4px;border-left:4px solid}
.verdict h3{margin:0 0 6px;font-size:19px}
.verdict p{margin:0;font-size:14.5px}
.verdict.ok{background:var(--greenBg);border-color:var(--green)}
.verdict.ok h3{color:var(--green)}
.verdict.warn{background:var(--amberBg);border-color:var(--amber)}
.verdict.warn h3{color:#8A5A08}
.verdict.stop{background:var(--redBg);border-color:var(--red)}
.verdict.stop h3{color:var(--red)}
.cta{background:var(--teal);border-radius:16px;padding:26px;margin:34px 0;color:#fff}
.cta h2{color:#fff;margin:0 0 8px}
.cta p{color:rgba(255,255,255,.9);margin-bottom:16px}
.btn{display:inline-block;background:#fff;color:var(--tealDark);text-decoration:none;
  padding:13px 24px;border-radius:11px;font-weight:800;font-size:15px}
.related{background:var(--white);border:1px solid var(--border);border-radius:16px;padding:20px 22px;margin:30px 0}
.related h2{margin:0 0 12px;font-size:18px}
.related ul{list-style:none;margin:0}
.related li{margin-bottom:9px;font-size:15px}
.related li:last-child{margin-bottom:0}
.related a{font-weight:700;text-decoration:none}
.related a:hover{text-decoration:underline}
.related span{color:var(--faint);font-size:13.5px;display:block;font-weight:400}
footer{border-top:1px solid var(--border);margin-top:40px;padding:22px 0 40px;font-size:13px;color:var(--faint)}
footer a{color:var(--teal)}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.scroll table{min-width:520px}
@media (max-width:520px){ .tabs{flex-direction:column} }