/* Idiot File Converter Tools — shared stylesheet */
:root{
  --ink:#0f1424;
  --ink-soft:#4b5169;
  --line:#e2e5f0;
  --line-soft:#eef0f8;
  --bg:#ffffff;
  --bg-soft:#f6f7fc;
  --indigo:#4338ca;
  --indigo-600:#4f46e5;
  --indigo-500:#6366f1;
  --indigo-100:#e8e7fb;
  --slate-900:#0f172a;
  --slate-700:#334155;
  --amber:#d97706;
  --radius:12px;
  --font-display:"Space Grotesk",system-ui,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:19px;color:var(--slate-900);margin-right:auto}
.brand .mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--indigo-600),var(--indigo-500));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--font-mono);font-size:13px;font-weight:700;
  box-shadow:0 4px 12px rgba(79,70,229,.35);
}
.main-nav{display:flex;gap:22px;align-items:center}
.main-nav a{font-size:14.5px;font-weight:500;color:var(--ink-soft)}
.main-nav a:hover{color:var(--indigo)}
.nav-cta{
  background:var(--slate-900);color:#fff !important;padding:9px 16px;border-radius:8px;font-weight:600 !important;font-size:14px !important;
}

.search-box{position:relative;width:260px}
.search-box input{
  width:100%;padding:9px 14px 9px 34px;border-radius:8px;border:1px solid var(--line);
  font-family:var(--font-body);font-size:14px;background:var(--bg-soft);
}
.search-box input:focus{outline:2px solid var(--indigo-500);outline-offset:1px;background:#fff}
.search-box .ico{position:absolute;left:11px;top:9px;font-size:14px;opacity:.5}
.search-results{
  position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:0 12px 28px rgba(15,20,36,.12);max-height:340px;overflow:auto;display:none;z-index:60;
}
.search-results.show{display:block}
.search-results a{display:block;padding:10px 14px;font-size:13.5px;border-bottom:1px solid var(--line-soft)}
.search-results a:last-child{border-bottom:none}
.search-results a:hover{background:var(--bg-soft)}
.search-results .none{padding:14px;font-size:13px;color:var(--ink-soft)}
.search-results mark{background:var(--indigo-100);color:var(--indigo);border-radius:3px}

.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:18px;cursor:pointer}

/* ---------- Hero / generic sections ---------- */
.hero{padding:64px 0 40px;background:
  radial-gradient(1100px 420px at 15% -10%, #eef0fd 0%, transparent 60%),
  radial-gradient(900px 380px at 100% 0%, #fdf3e8 0%, transparent 55%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12.5px;
  color:var(--indigo);background:var(--indigo-100);padding:6px 12px;border-radius:999px;font-weight:600;letter-spacing:.02em;
}
h1{font-family:var(--font-display);font-size:44px;line-height:1.1;margin:18px 0 14px;letter-spacing:-.02em}
.hero p.lead{font-size:18px;color:var(--ink-soft);max-width:640px;line-height:1.6}
h2{font-family:var(--font-display);font-size:28px;letter-spacing:-.01em;margin:0 0 14px}
h3{font-family:var(--font-display);font-size:19px;margin:0 0 8px}

/* ---------- Tool cards grid (homepage) ---------- */
.section{padding:48px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.section-head p{color:var(--ink-soft);margin:0;font-size:15px}
.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
.tool-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  display:flex;flex-direction:column;gap:10px;
}
.tool-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(15,20,36,.09);border-color:var(--indigo-500)}
.tool-card .flow{
  font-family:var(--font-mono);font-size:12.5px;font-weight:600;color:var(--indigo);
  display:flex;align-items:center;gap:6px;
}
.tool-card .flow .a,.tool-card .flow .b{background:var(--indigo-100);padding:3px 8px;border-radius:6px}
.tool-card .flow .arrow{color:var(--amber);font-size:14px}
.tool-card h3{font-size:16.5px}
.tool-card p{margin:0;color:var(--ink-soft);font-size:13.5px;line-height:1.55}
.tool-card .go{margin-top:auto;font-size:13px;font-weight:600;color:var(--slate-900)}

/* ---------- Tool page layout ---------- */
.tool-hero{padding:40px 0 28px;border-bottom:1px solid var(--line);background:var(--bg-soft)}
.breadcrumb{font-size:13px;color:var(--ink-soft);margin-bottom:14px}
.breadcrumb a:hover{color:var(--indigo)}
.tool-hero h1{font-size:32px;margin-top:10px}
.tool-hero .flowbig{font-family:var(--font-mono);font-weight:700;font-size:15px;color:var(--indigo);display:inline-flex;align-items:center;gap:10px;margin-bottom:6px}
.tool-hero .flowbig span{background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:8px}
.tool-hero .sub{color:var(--ink-soft);max-width:680px;font-size:16px;line-height:1.6}

.tool-app{
  background:var(--slate-900);border-radius:16px;padding:26px;margin:-18px auto 0;max-width:1120px;
  box-shadow:0 24px 50px rgba(15,20,36,.22);
}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:760px){.app-grid{grid-template-columns:1fr}}
.panel{background:#161d33;border-radius:12px;padding:16px;border:1px solid #2a3250}
.panel h4{color:#c7cbe8;font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;margin:0 0 10px}
textarea, .drop, .out{
  width:100%;min-height:220px;background:#0e1428;border:1px solid #2a3250;border-radius:8px;color:#e7e9f7;
  font-family:var(--font-mono);font-size:13px;padding:12px;resize:vertical;
}
textarea:focus{outline:2px solid var(--indigo-500)}
.drop{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:120px;
  border:2px dashed #3b4570;cursor:pointer;text-align:center;color:#a9aed4;font-family:var(--font-body);font-size:13.5px;
}
.drop.hover{border-color:var(--indigo-500);background:#12193200}
.controls{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}
.btn{
  border:none;border-radius:8px;padding:11px 18px;font-weight:600;font-size:14px;cursor:pointer;font-family:var(--font-body);
}
.btn-primary{background:linear-gradient(135deg,var(--indigo-600),var(--indigo-500));color:#fff}
.btn-primary:hover{filter:brightness(1.08)}
.btn-secondary{background:#1f2744;color:#dfe2f7;border:1px solid #333d63}
.btn-secondary:hover{background:#28315a}
.status{font-size:13px;color:#a9aed4;font-family:var(--font-mono);min-height:18px;margin-top:6px}
.status.err{color:#f97066}
.status.ok{color:#4ade80}
.field-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.field-row label{font-size:12.5px;color:#a9aed4;font-family:var(--font-mono);display:flex;align-items:center;gap:6px}
select,.txt-input{background:#0e1428;border:1px solid #2a3250;color:#e7e9f7;border-radius:6px;padding:6px 8px;font-family:var(--font-mono);font-size:12.5px}

/* ---------- Article / content ---------- */
.article{padding:52px 0;max-width:820px;margin:0 auto}
.article h2{margin-top:36px}
.article p{color:var(--ink-soft);line-height:1.75;font-size:15.5px;margin:0 0 16px}
.article ul{color:var(--ink-soft);line-height:1.75;font-size:15.5px}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--indigo);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin-top:10px}

.related{padding:8px 0 52px}
.related .tool-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

/* ---------- Static pages ---------- */
.static-page{padding:56px 0;max-width:760px;margin:0 auto}
.static-page h1{font-size:32px}
.static-page h2{font-size:20px;margin-top:30px}
.static-page p, .static-page li{color:var(--ink-soft);line-height:1.75;font-size:15.5px}
.static-page a.link{color:var(--indigo);text-decoration:underline}

/* ---------- Footer ---------- */
.site-footer{background:var(--slate-900);color:#c6cae2;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding:48px 0 28px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h5{font-family:var(--font-mono);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#8890bc;margin:0 0 14px}
.footer-grid a{display:block;font-size:13.5px;padding:5px 0;color:#dfe2f7}
.footer-grid a:hover{color:#fff}
.footer-brand{font-family:var(--font-display);font-weight:700;font-size:18px;color:#fff;display:flex;align-items:center;gap:8px;margin-bottom:10px}
.footer-brand .mark{width:28px;height:28px;border-radius:7px;background:linear-gradient(135deg,var(--indigo-600),var(--indigo-500));display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:11px;font-weight:700}
.footer-grid p.desc{font-size:13.5px;color:#a5abcf;line-height:1.6;max-width:280px}
.footer-bottom{border-top:1px solid #232b4a;padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8890bc}

@media (max-width:760px){
  .main-nav{position:fixed;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:14px 24px;gap:14px;display:none}
  .main-nav.open{display:flex}
  .search-box{width:100%;order:3}
  .nav-toggle{display:block}
  h1{font-size:30px}
  .tool-hero h1{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}