/* ================= Toolzo — shared styles ================= */
* { margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
:root {
  --bg: #f5f7fb; --card: #ffffff; --text: #14203a; --muted: #5c6b85;
  --primary: #2b5cf5; --primary-light: #eaeefe; --border: #e4e9f2;
  --shadow: 0 8px 30px rgba(20,32,58,.06); --radius: 16px;
  --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
}
body.dark {
  --bg:#0e1420; --card:#161d2b; --text:#eef2f9; --muted:#9aa7bd;
  --primary-light:#1b2740; --border:#26314a; --shadow:0 8px 30px rgba(0,0,0,.4);
}
body { background:var(--bg); color:var(--text); min-height:100vh;
       display:flex; flex-direction:column; transition:background .3s,color .3s; }
a { color:inherit; text-decoration:none; }
.container { max-width:1180px; margin:0 auto; padding:0 20px; width:100%; }

/* Header */
header { position:sticky; top:0; z-index:50; background:var(--card);
         border-bottom:1px solid var(--border); }
.hd { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 0; }
.logo { font-weight:800; font-size:22px; display:flex; align-items:center; gap:8px; }
.logo b { color:var(--primary); }
.logo .box { background:var(--primary); color:#fff; width:34px; height:34px; border-radius:10px;
             display:grid; place-items:center; font-size:18px; }
.nav { display:flex; align-items:center; gap:22px; }
.nav a { color:var(--muted); font-weight:600; font-size:14px; }
.nav a:hover { color:var(--primary); }
.tgl { background:var(--primary-light); border:none; width:38px; height:38px; border-radius:50%;
       cursor:pointer; color:var(--text); font-size:16px; }
.tgl:hover { background:var(--primary); color:#fff; }

/* Hero + search */
.hero { text-align:center; padding:46px 0 22px; }
.hero h1 { font-size:40px; line-height:1.1; font-weight:800; }
.hero h1 span { color:var(--primary); }
.hero p { color:var(--muted); font-size:17px; max-width:620px; margin:12px auto 0; }
.search { max-width:520px; margin:26px auto 0; position:relative; }
.search input { width:100%; padding:14px 18px 14px 46px; border:2px solid var(--border);
  border-radius:40px; background:var(--card); color:var(--text); font-size:15px; }
.search input:focus { outline:none; border-color:var(--primary); }
.search i { position:absolute; left:18px; top:50%; transform:translateY(-50%); color:var(--muted); }

/* Category + grid */
.cat-title { font-size:20px; font-weight:800; margin:34px 0 4px; display:flex; align-items:center; gap:10px; }
.cat-title i { color:var(--primary); }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:16px; margin-top:16px; }
.card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px; box-shadow:var(--shadow); transition:.25s; display:flex; gap:14px; align-items:flex-start; }
.card:hover { transform:translateY(-4px); border-color:var(--primary); }
.card .ic { flex:none; width:44px; height:44px; border-radius:12px; background:var(--primary-light);
  color:var(--primary); display:grid; place-items:center; font-size:20px; }
.card h3 { font-size:15px; font-weight:700; }
.card p { font-size:12.5px; color:var(--muted); margin-top:3px; line-height:1.4; }

/* Tool page */
.tool { max-width:760px; margin:34px auto; background:var(--card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); padding:34px 30px; }
.tool h1 { font-size:26px; display:flex; align-items:center; gap:12px; }
.tool h1 i { color:var(--primary); }
.tool .sub { color:var(--muted); margin:6px 0 22px; padding-bottom:16px; border-bottom:1px solid var(--border); }
.crumb { font-size:13px; color:var(--muted); margin-top:22px; }
.crumb a { color:var(--primary); }
label { font-weight:600; font-size:14px; display:block; margin-bottom:6px; }
.field { margin-bottom:18px; }
input[type=text], input[type=number], input[type=date], select, textarea {
  width:100%; padding:12px 14px; border:2px solid var(--border); border-radius:11px;
  background:var(--bg); color:var(--text); font-size:15px; }
input:focus, select:focus, textarea:focus { outline:none; border-color:var(--primary); }
textarea { min-height:160px; resize:vertical; font-family:inherit; }
.row { display:flex; gap:14px; flex-wrap:wrap; }
.row > * { flex:1; min-width:140px; }
.btn { background:var(--primary); color:#fff; border:none; padding:13px 26px; border-radius:11px;
  font-weight:700; font-size:15px; cursor:pointer; display:inline-flex; align-items:center; gap:9px; transition:.2s; }
.btn:hover { transform:scale(.98); box-shadow:0 8px 22px rgba(43,92,245,.3); }
.btn.gray { background:var(--muted); }
.btn.ok { background:var(--ok); }
.result { margin-top:22px; padding:20px; background:var(--bg); border:1px solid var(--border);
  border-radius:12px; display:none; }
.result.show { display:block; }
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(120px,1fr)); gap:12px; }
.stat { background:var(--card); border:1px solid var(--border); border-radius:10px; padding:14px; text-align:center; }
.stat b { display:block; font-size:24px; color:var(--primary); }
.stat span { font-size:12px; color:var(--muted); }
.drop { border:3px dashed var(--border); border-radius:14px; padding:34px; text-align:center;
  cursor:pointer; background:var(--bg); transition:.2s; }
.drop:hover, .drop.over { border-color:var(--primary); background:var(--primary-light); }
.drop i { font-size:42px; color:var(--primary); }
.drop p { color:var(--muted); margin-top:8px; }
.muted { color:var(--muted); font-size:13px; }
.big { font-size:30px; font-weight:800; color:var(--primary); text-align:center; }

/* Blog index cards */
.blog-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px; margin-top:22px; }
.blog-card { background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  box-shadow:var(--shadow); overflow:hidden; transition:.25s; }
.blog-card:hover { transform:translateY(-4px); border-color:var(--primary); }
.blog-card .thumb { height:120px; background:var(--primary-light); color:var(--primary);
  display:grid; place-items:center; font-size:40px; }
.blog-card .body { padding:18px; }
.blog-card h3 { font-size:16px; font-weight:700; line-height:1.3; }
.blog-card p { color:var(--muted); font-size:13px; margin-top:8px; line-height:1.5; }
.blog-card .read { color:var(--primary); font-weight:600; font-size:13px; margin-top:12px; display:inline-block; }

/* Article body */
.article { max-width:760px; margin:34px auto; background:var(--card); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); padding:40px 38px; }
.article h1 { font-size:30px; line-height:1.2; }
.article .meta { color:var(--muted); font-size:13px; margin:10px 0 24px; }
.article h2 { font-size:21px; margin:28px 0 10px; }
.article h3 { font-size:17px; margin:20px 0 8px; }
.article p, .article li { color:var(--text); line-height:1.9; margin-bottom:14px; font-size:15.5px; }
.article ul, .article ol { margin:0 0 14px 22px; }
.article .cta { display:inline-flex; align-items:center; gap:9px; background:var(--primary); color:#fff;
  padding:12px 24px; border-radius:11px; font-weight:700; margin:8px 0 6px; }
.article .cta:hover { box-shadow:0 8px 22px rgba(43,92,245,.3); }
.article .tip { background:var(--primary-light); border-left:4px solid var(--primary);
  padding:14px 18px; border-radius:8px; margin:16px 0; color:var(--text); }

/* Ad slot */
.ad-slot { margin:24px auto; max-width:760px; min-height:90px; border:1px dashed var(--border);
  border-radius:10px; display:grid; place-items:center; color:var(--muted); font-size:12px; background:var(--card); }

/* Footer */
footer { margin-top:auto; background:var(--card); border-top:1px solid var(--border); padding:24px 0; }
.ft { display:flex; justify-content:space-between; flex-wrap:wrap; gap:14px; align-items:center; }
.ft p, .ft a { color:var(--muted); font-size:13.5px; }
.ft a:hover { color:var(--primary); }
.ft .links { display:flex; gap:20px; flex-wrap:wrap; }

@media (max-width:640px){
  .hero h1{font-size:30px;}
  .hd{flex-wrap:wrap; justify-content:center; gap:10px;}
  .nav{gap:14px; font-size:13px; flex-wrap:wrap; justify-content:center;}
  .tool{padding:24px 18px;} .ft{flex-direction:column; text-align:center;}
}