/* One Developer Tools — global minimalistic style */
:root{
  --bg:#ffffff;
  --surface:#fafafa;
  --border:#ececec;
  --text:#111111;
  --muted:#666666;
  --accent:#111111;
  --accent-contrast:#ffffff;
  --radius:6px;
  --maxw:1100px;
  --mono: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--text);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s}
a:hover{border-bottom-color:var(--text)}
img{max-width:100%;display:block}
hr{border:none;border-top:1px solid var(--border);margin:2rem 0}

.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}

/* Header */
.site-header{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:50}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:600;font-size:1.05rem;letter-spacing:-.01em;border:none}
.brand span{color:var(--muted);font-weight:400}
.nav{display:flex;gap:1.5rem;align-items:center}
.nav a{font-size:.92rem;color:var(--muted);border:none}
.nav a:hover{color:var(--text)}
.search{display:flex;align-items:center;gap:.5rem}
.search input{border:1px solid var(--border);background:var(--surface);padding:.5rem .75rem;border-radius:var(--radius);font-size:.9rem;width:240px;font-family:var(--sans)}
.search input:focus{outline:none;border-color:var(--text)}

/* Hero */
.hero{padding:4rem 0 2.5rem;text-align:center}
.hero h1{font-size:2.5rem;margin:0 0 .75rem;letter-spacing:-.02em;font-weight:700}
.hero p{color:var(--muted);max-width:640px;margin:0 auto 1.5rem;font-size:1.05rem}
.hero .search{justify-content:center}
.hero .search input{width:min(420px,100%)}

/* Sections */
section{padding:2rem 0}
h2{font-size:1.4rem;letter-spacing:-.01em;margin:0 0 1rem}
h3{font-size:1.05rem;margin:0 0 .5rem}

/* Categories grid */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.cat-card{border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;background:var(--bg);transition:border-color .15s,transform .15s}
.cat-card:hover{border-color:var(--text)}
.cat-card .count{color:var(--muted);font-size:.85rem}
.cat-card h3{margin:0 0 .25rem}
.cat-card a{border:none}

/* Tool grid */
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.75rem}
.tool-card{border:1px solid var(--border);border-radius:var(--radius);padding:.85rem 1rem;background:var(--bg);transition:border-color .15s}
.tool-card:hover{border-color:var(--text)}
.tool-card a{border:none;display:block}
.tool-card .t-name{font-weight:500;font-size:.95rem;margin-bottom:.2rem}
.tool-card .t-desc{color:var(--muted);font-size:.82rem;line-height:1.4}

/* Tool page */
.tool-page{padding:2rem 0 3rem}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.breadcrumb a{color:var(--muted);border:none}
.breadcrumb a:hover{color:var(--text)}
.tool-page h1{font-size:1.85rem;margin:0 0 .4rem;letter-spacing:-.02em}
.tool-page .lead{color:var(--muted);margin:0 0 1.5rem}
.tool-app{border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;background:var(--surface);margin-bottom:2rem}

/* Form controls */
label{display:block;font-size:.88rem;margin:.75rem 0 .35rem;color:var(--text);font-weight:500}
input[type=text],input[type=number],input[type=url],input[type=email],input[type=password],input[type=search],textarea,select{
  width:100%;padding:.6rem .75rem;border:1px solid var(--border);background:var(--bg);border-radius:var(--radius);font-size:.95rem;font-family:var(--sans);color:var(--text)
}
textarea{min-height:140px;font-family:var(--mono);font-size:.88rem;resize:vertical}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--text)}
input[type=color]{width:60px;height:40px;padding:2px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);cursor:pointer}
input[type=range]{width:100%}
input[type=file]{font-size:.9rem}

.btn{display:inline-block;padding:.6rem 1.1rem;border:1px solid var(--text);background:var(--text);color:var(--accent-contrast);border-radius:var(--radius);font-size:.9rem;cursor:pointer;font-family:var(--sans);transition:opacity .15s}
.btn:hover{opacity:.85}
.btn.secondary{background:var(--bg);color:var(--text)}
.btn-row{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}

.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:640px){.row{grid-template-columns:1fr}}

.output{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;font-family:var(--mono);font-size:.88rem;white-space:pre-wrap;word-break:break-word;min-height:60px;margin-top:1rem}
.output.empty{color:var(--muted)}
.stat{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid var(--border)}
.stat:last-child{border-bottom:none}
.stat .k{color:var(--muted)}
.stat .v{font-family:var(--mono);font-weight:500}

/* Long description */
.tool-desc{max-width:740px}
.tool-desc h2{font-size:1.25rem;margin-top:2rem}
.tool-desc h3{font-size:1.05rem;margin-top:1.25rem}
.tool-desc p{margin:.8rem 0;color:#222}
.tool-desc ul{padding-left:1.25rem}
.tool-desc li{margin:.3rem 0}

/* Related tools */
.related{margin-top:2.5rem}

/* Footer */
.site-footer{border-top:1px solid var(--border);margin-top:4rem;padding:2rem 0;color:var(--muted);font-size:.88rem}
.site-footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem}
.site-footer a{color:var(--muted);border:none}
.site-footer a:hover{color:var(--text)}

/* Legal/static pages */
.prose{max-width:740px;margin:2rem auto;padding:0 1.25rem}
.prose h1{font-size:2rem;letter-spacing:-.02em;margin-bottom:.5rem}
.prose h2{font-size:1.25rem;margin-top:2rem}
.prose p{color:#222}

/* Category page header */
.cat-header{padding:2.5rem 0 1rem}
.cat-header h1{font-size:2rem;margin:0 0 .5rem;letter-spacing:-.02em}
.cat-header p{color:var(--muted);margin:0;max-width:640px}

@media (max-width:640px){
  .hero h1{font-size:1.9rem}
  .nav{gap:1rem}
  .nav a:not(.brand){display:none}
  .search input{width:160px}
}

/* Citation list with favicons */
.refs{list-style:none;padding:0;margin:1rem 0;display:flex;flex-direction:column;gap:.5rem}
.refs li{display:flex;align-items:flex-start;gap:.5rem;line-height:1.5}
.refs .favicon{flex:none;width:16px;height:16px;margin-top:.25rem;border-radius:3px;background:#f3f4f6}
.refs a{color:inherit;text-decoration:underline;text-underline-offset:2px}
.refs a:hover{color:#000}