/* ==========================================================================
   Idiot Tools — design tokens (v3: modern indigo SaaS look)
   ========================================================================== */
:root{
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #EEF2FF;
  --ink: #0F172A;
  --ink-soft: #475569;
  --bg: #F8FAFC;
  --paper: #FFFFFF;
  --line: #E2E8F0;
  --steel: #64748B;
  --success: #16A34A;
  --danger: #DC2626;
  --accent: #F59E0B;

  --heading: "Plus Jakarta Sans", "Inter", -apple-system, sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --border: 1px solid var(--line);
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04);
  --shadow: 0 4px 16px -4px rgba(15,23,42,.08), 0 2px 6px -2px rgba(15,23,42,.05);
  --shadow-lift: 0 20px 40px -16px rgba(15,23,42,.18), 0 6px 12px -6px rgba(15,23,42,.08);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{ max-width:100%; display:block; }
a{ color:var(--primary); text-decoration:none; }
a:hover{ text-decoration:underline; }
:focus-visible{ outline:2px solid var(--primary); outline-offset:2px; }

.wrap{ max-width:1160px; margin:0 auto; padding:0 24px; }

/* ---------- Header ---------- */
.site-header{
  background:rgba(255,255,255,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:50;
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:66px;
}
.logo{
  font-family:var(--heading); font-weight:800;
  color:var(--ink);
  font-size:1.08rem;
  letter-spacing:-.01em;
  display:flex; align-items:center; gap:8px;
}
.logo:hover{ text-decoration:none; }
.logo .bolt{ color:var(--primary); }
.nav-links{ display:flex; gap:24px; list-style:none; margin:0; padding:0; }
.nav-links a{
  color:var(--ink-soft); font-weight:500; font-size:.88rem;
  padding:6px 2px; border-bottom:2px solid transparent;
  transition:color .15s ease;
}
.nav-links a:hover{ color:var(--primary); border-color:transparent; text-decoration:none; }
.nav-toggle{ display:none; background:none; border:0; color:var(--ink); font-size:1.5rem; cursor:pointer; }

@media (max-width:760px){
  .nav-links{
    position:absolute; top:66px; left:0; right:0; background:var(--paper);
    flex-direction:column; padding:14px 24px 22px; gap:14px;
    border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:block; }
}

/* ---------- Hero ---------- */
.hero{
  background:
    radial-gradient(1100px 480px at 15% -10%, rgba(79,70,229,.10), transparent 60%),
    radial-gradient(900px 420px at 90% 0%, rgba(245,158,11,.10), transparent 55%),
    var(--paper);
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero .wrap{ position:relative; padding:84px 24px 68px; }
.hero-eyebrow{
  font-family:var(--mono); text-transform:uppercase; letter-spacing:1.5px;
  font-size:.72rem; font-weight:700; color:var(--primary);
  background:var(--primary-light); display:inline-block; padding:6px 13px;
  border-radius:999px; margin-bottom:24px;
}
.hero h1{
  font-family:var(--heading); font-weight:800;
  font-size:clamp(2.2rem, 5vw, 3.6rem);
  line-height:1.08;
  margin:0 0 20px;
  max-width:760px;
  letter-spacing:-0.03em;
  color:var(--ink);
}
.hero p{
  font-size:1.12rem; max-width:580px; margin:0 0 32px; color:var(--ink-soft);
}
.trust-row{ display:flex; flex-wrap:wrap; gap:9px; margin-top:22px; }
.trust-chip{
  font-family:var(--body); font-size:.8rem; font-weight:600;
  background:var(--paper); border:1px solid var(--line); border-radius:999px;
  padding:6px 14px; color:var(--ink-soft);
}
.hero-search{
  display:flex; max-width:540px; background:var(--paper);
  border:1px solid var(--line); border-radius:14px; overflow:hidden;
  box-shadow:var(--shadow);
  position:relative;
}
.search-wrap{ position:relative; max-width:540px; }
.search-dropdown{
  display:none; position:absolute; top:calc(100% + 10px); left:0; right:0;
  background:var(--paper); border:var(--border); border-radius:var(--radius-sm);
  box-shadow:var(--shadow-lift); max-height:340px; overflow-y:auto; z-index:60;
}
.search-dropdown.open{ display:block; }
.search-result{
  display:block; padding:12px 16px; font-size:.9rem; font-weight:600; color:var(--ink);
  border-bottom:1px solid var(--line);
}
.search-result:last-child{ border-bottom:none; }
.search-result:hover{ background:var(--primary-light); color:var(--primary-dark); text-decoration:none; }
.search-empty{ padding:14px 16px; font-size:.86rem; color:var(--steel); }
.hero-search input{
  flex:1; border:0; padding:17px 20px; font-family:var(--body); font-size:1rem;
  background:transparent;
}
.hero-search input:focus{ outline:none; }
.hero-search button{
  border:0; background:var(--primary); color:#fff; font-weight:700;
  padding:0 26px; cursor:pointer; font-family:var(--body); font-size:.92rem;
  transition:background .15s ease;
}
.hero-search button:hover{ background:var(--primary-dark); }

/* ---------- Section headings ---------- */
.section{ padding:60px 0; }
.section-head{ display:flex; align-items:baseline; justify-content:space-between; gap:16px; margin-bottom:26px; flex-wrap:wrap; }
.section-head h2{
  font-family:var(--heading); font-weight:800; font-size:1.4rem; margin:0;
  display:flex; align-items:center; gap:10px; letter-spacing:-0.02em;
  color:var(--ink);
}
.section-head h2 .tag{
  font-family:var(--mono); font-size:.66rem; background:var(--primary-light); color:var(--primary);
  padding:3px 9px; border-radius:6px; letter-spacing:.5px; font-weight:700;
}
.section-head p{ color:var(--steel); margin:0; font-size:.94rem; }

/* ---------- Tool grid ---------- */
.tool-grid{
  display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:14px;
}
.tool-card{
  background:var(--paper); border:var(--border); border-radius:var(--radius);
  padding:20px; position:relative; display:flex; flex-direction:column; gap:6px;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tool-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-lift); border-color:var(--primary); text-decoration:none; }
.tool-card .icon{
  width:38px; height:38px; border-radius:10px; background:var(--primary-light);
  display:flex; align-items:center; justify-content:center; font-size:1.05rem;
  color:var(--primary-dark);
}
.tool-card h3{ font-size:1rem; margin:8px 0 0; color:var(--ink); font-family:var(--body); font-weight:700; letter-spacing:-.005em; }
.tool-card p{ font-size:.85rem; color:var(--steel); margin:0; line-height:1.5; }

/* ---------- Ad slots ---------- */
.ad-slot{
  background:var(--paper); border:1px dashed var(--line); border-radius:var(--radius-sm);
  min-height:96px; display:flex; align-items:center; justify-content:center;
  color:var(--steel); font-family:var(--mono); font-size:.76rem; margin:36px 0;
}

/* ---------- Tool page shell ---------- */
.tool-page-head{ background:var(--ink); color:#fff; padding:44px 0 36px; }
.breadcrumb{ font-size:.82rem; color:rgba(255,255,255,.5); margin-bottom:12px; }
.breadcrumb a{ color:rgba(255,255,255,.8); }
.breadcrumb a:hover{ color:#fff; }
.tool-page-head h1{ font-family:var(--heading); font-weight:800; font-size:clamp(1.6rem,3.4vw,2.2rem); margin:0 0 10px; letter-spacing:-0.02em; }
.tool-page-head p{ color:rgba(255,255,255,.68); max-width:640px; margin:0; font-size:1rem; }

label{ font-weight:600; font-size:.86rem; display:block; margin-bottom:6px; color:var(--ink-soft); }
textarea, input[type=text], input[type=number], input[type=password], input[type=date], input[type=datetime-local], select{
  width:100%; font-family:var(--body); font-size:.98rem; padding:12px 14px;
  border:1px solid var(--line); border-radius:var(--radius-sm); background:var(--bg);
  resize:vertical; color:var(--ink); transition:border-color .15s ease, background .15s ease, box-shadow .15s ease;
}
textarea:focus, input:focus, select:focus{ border-color:var(--primary); outline:none; background:#fff; box-shadow:0 0 0 3px var(--primary-light); }
.btn-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:16px; }
.stat-row{ display:flex; gap:16px; flex-wrap:wrap; margin-top:20px; }
.stat{ background:var(--bg); border:1px solid var(--line); border-radius:var(--radius-sm); padding:12px 18px; min-width:100px; }
.stat b{ display:block; font-family:var(--mono); font-size:1.3rem; color:var(--ink); }
.stat span{ font-size:.75rem; color:var(--steel); }
.output-mono{ font-family:var(--mono); background:var(--ink); color:#A5F3C4; padding:16px; border-radius:var(--radius-sm); overflow:auto; }

.faq{ margin-top:10px; }
.faq details{ border:1px solid var(--line); border-radius:var(--radius-sm); padding:14px 18px; margin-bottom:10px; background:var(--paper); }
.faq summary{ font-weight:600; cursor:pointer; color:var(--ink); }
.faq p{ margin:10px 0 0; color:var(--steel); }

/* ---------- Tool article (long-form content) ---------- */
.tool-article{ max-width:760px; margin-top:40px; }
.tool-article h2{ font-family:var(--heading); font-weight:800; font-size:1.15rem; margin:32px 0 12px; color:var(--ink); }
.tool-article p{ color:var(--steel); margin:0 0 14px; }
.tool-article ul{ color:var(--steel); padding-left:20px; margin:0 0 14px; }
.tool-article li{ margin-bottom:6px; }

/* ---------- Category browse ---------- */
.cat-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:14px; }
.cat-card{
  background:var(--paper); border:var(--border); border-radius:var(--radius);
  padding:20px; box-shadow:var(--shadow-sm); display:flex; flex-direction:column; gap:6px;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.cat-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-lift); border-color:var(--primary); text-decoration:none; }
.cat-card .icon{ font-size:1.5rem; }
.cat-card h3{ margin:4px 0 0; font-size:1rem; font-family:var(--body); font-weight:700; }
.cat-card .count{ font-family:var(--mono); font-size:.74rem; color:var(--steel); }

.btn{
  font-family:var(--body); font-weight:600; border:1px solid transparent;
  background:var(--primary); color:#fff; padding:11px 22px; border-radius:var(--radius-sm);
  cursor:pointer; box-shadow:none; font-size:.92rem; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{ background:var(--primary-dark); transform:translateY(-1px); box-shadow:var(--shadow); }
.btn.secondary{ background:var(--paper); border:1px solid var(--line); color:var(--ink); }
.btn.secondary:hover{ background:var(--bg); border-color:var(--primary); }

.tool-panel{
  background:var(--paper); border:var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow-lift); padding:28px; margin:-38px 0 34px;
  position:relative; z-index:2;
}
.pair-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(200px,1fr)); gap:10px; margin-top:10px; }
.pair-link{
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-sm); padding:11px 14px;
  font-size:.87rem; font-weight:600; color:var(--ink);
}
.pair-link:hover{ border-color:var(--primary); text-decoration:none; background:var(--primary-light); }
.cat-search{ margin:14px 0 22px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--ink); color:rgba(255,255,255,.65); padding:52px 0 28px; margin-top:48px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:28px; }
.footer-grid h4{ color:#fff; font-size:.78rem; letter-spacing:1px; text-transform:uppercase; margin:0 0 14px; font-weight:700; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid li{ margin-bottom:9px; }
.footer-grid a{ color:rgba(255,255,255,.6); font-size:.88rem; }
.footer-grid a:hover{ color:var(--accent); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); margin-top:32px; padding-top:20px; font-size:.8rem; color:rgba(255,255,255,.4); display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--primary); color:#fff;
  padding:10px 16px; z-index:100; font-weight:700;
}
.skip-link:focus{ left:12px; top:12px; }

@media (prefers-reduced-motion:reduce){ *{ animation:none !important; transition:none !important; } }