/* Blue Folder Tools — shared styles for every tool page. Link with:
   <link rel="stylesheet" href="/tools/tools.css">
   Palette: Blue Folder blues + refined neutrals. Light + dark, mobile-first. */
:root{
  --bg:#f4f6f8; --card:#ffffff; --ink:#16181b; --soft:#5d646c; --faint:#8a9199;
  --line:#e2e6ea; --blue:#3f86d6; --blue-l:#74acec; --navy:#1f4d87; --ok:#2f8f5b; --warn:#b26a1f; --bad:#d14;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ui:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f1216; --card:#181c21; --ink:#eef1f4; --soft:#aab2bb; --faint:#7b838c; --line:#2a2f36; --blue:#6aa7ec; --navy:#6aa7ec; color-scheme:dark;}}
:root[data-theme="dark"]{--bg:#0f1216;--card:#181c21;--ink:#eef1f4;--soft:#aab2bb;--faint:#7b838c;--line:#2a2f36;--blue:#6aa7ec;--navy:#6aa7ec;color-scheme:dark;}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);-webkit-font-smoothing:antialiased;line-height:1.55}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
svg{display:block}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
/* header */
.site-head{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:14px;height:56px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;color:var(--ink)}
.brand svg{width:26px}
.brand b{font-size:15px}.brand b .bl{color:var(--blue)}
.site-head nav{margin-left:auto;display:flex;gap:18px;font-size:14px}
.site-head nav a{color:var(--soft)}.site-head nav a:hover{color:var(--blue);text-decoration:none}
/* page head */
.page-head{padding:34px 0 10px}
.page-head .eyebrow{font-family:var(--mono);font-size:12.5px;color:var(--blue);letter-spacing:.04em;margin:0 0 8px}
.page-head h1{font-size:clamp(26px,4.5vw,38px);letter-spacing:-.03em;line-height:1.08;margin:0}
.page-head p{color:var(--soft);font-size:16px;max-width:60ch;margin:10px 0 0}
main{padding-bottom:70px}
/* tool card */
.tool{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;margin:22px 0;scroll-margin-top:70px}
.tool h2{font-size:20px;letter-spacing:-.02em;margin:0 0 4px}
.tool .lead{color:var(--soft);font-size:14.5px;margin:0 0 14px}
label{display:block;font-size:13px;color:var(--soft);margin:12px 0 5px;font-weight:500}
input[type=text],input[type=email],input[type=number],input[type=url],select,textarea{
  width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font:inherit;font-size:15px;background:var(--bg);color:var(--ink)}
textarea{resize:vertical;min-height:90px;font-family:var(--mono);font-size:13.5px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.row>*{flex:1;min-width:140px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:var(--blue);color:#fff;border-radius:10px;padding:11px 18px;font:inherit;font-size:15px;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;color:var(--blue);border:1px solid var(--line)}
.btn.sm{padding:7px 12px;font-size:13.5px}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
/* results */
.result{margin-top:16px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.result .r-row{display:flex;gap:10px;align-items:flex-start;padding:11px 14px;border-top:1px solid var(--line);font-size:14px}
.result .r-row:first-child{border-top:0}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;border-radius:999px;padding:2px 10px;white-space:nowrap}
.badge.ok{background:color-mix(in srgb,var(--ok) 16%,transparent);color:var(--ok)}
.badge.bad{background:color-mix(in srgb,var(--bad) 16%,transparent);color:var(--bad)}
.badge.warn{background:color-mix(in srgb,var(--warn) 16%,transparent);color:var(--warn)}
.badge.neutral{background:var(--line);color:var(--soft)}
pre,code,.mono{font-family:var(--mono)}
pre{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow:auto;font-size:13px;white-space:pre-wrap;word-break:break-word}
.muted{color:var(--faint);font-size:13px}
.note{border-left:3px solid var(--blue);background:color-mix(in srgb,var(--blue) 8%,transparent);border-radius:0 10px 10px 0;padding:10px 14px;font-size:14px;margin:14px 0}
.cta{background:color-mix(in srgb,var(--blue) 10%,transparent);border:1px solid color-mix(in srgb,var(--blue) 28%,transparent);border-radius:14px;padding:16px 18px;margin:22px 0;font-size:15px}
.cta b{color:var(--navy)}
/* tool index grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:20px}
.card-link{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;color:var(--ink)}
.card-link:hover{border-color:var(--blue);text-decoration:none}
.card-link b{display:block;font-size:15px;margin-bottom:3px}
.card-link span{font-size:13px;color:var(--soft)}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.subnav a{font-size:13px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:5px 12px;color:var(--soft)}
.subnav a:hover{border-color:var(--blue);color:var(--blue);text-decoration:none}
footer.site-foot{border-top:1px solid var(--line);padding:26px 0 46px;color:var(--faint);font-size:13px;line-height:1.7}
footer.site-foot a{color:var(--soft)}
@media (max-width:560px){.page-head{padding-top:24px}.tool{padding:18px}}