/* AK Structure – shared stylesheet (all pages) */
:root{
  --bg:#f5f7fa; --card:#fff; --ink:#18222e; --muted:#5b6876; --line:#dfe5ec;
  --brand:#1d4e89; --brand-2:#2f6fb7; --soft:#eaf1fb; --ok:#0f7b4b; --ok-soft:#e6f5ee;
  --warn:#9a5b00; --warn-soft:#fff4df; --bad:#b42318; --bad-soft:#fdecea;
  --radius:10px; --font:"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.55;font-size:15px}
a{color:var(--brand-2)}
img{max-width:100%}

/* header / footer */
.site-header{background:#122338;color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;max-width:1100px;margin:0 auto}
.logo{font-weight:800;font-size:19px;color:#fff;text-decoration:none;letter-spacing:.3px}
.logo span{color:#7fb2ff}
.nav a{color:#d5e3f5;text-decoration:none;margin-left:18px;font-size:14px}
.nav a:hover{color:#fff}
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 18px;color:var(--muted);font-size:13px;text-align:center}
.site-footer a{color:var(--muted)}

main,.wrap-main{max-width:1100px;margin:0 auto;padding:22px 18px}

/* hero */
.hero{background:linear-gradient(135deg,#163a63,#1d4e89);color:#fff;border-radius:var(--radius);padding:34px 28px;margin-bottom:22px}
.hero h1{margin:0 0 8px;font-size:30px}
.hero p{margin:0;color:#d6e4f5;max-width:720px}
.search{margin-top:16px;max-width:520px}
.search input{width:100%;padding:11px 14px;border-radius:8px;border:0;font-size:15px}

/* tabs + cards */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 16px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:20px;padding:6px 14px;cursor:pointer;font-size:14px}
.tabs button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;transition:box-shadow .15s}
a.card:hover{box-shadow:0 4px 16px rgba(20,40,70,.12)}
.card .cat{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.card h3{margin:0;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:4px}
.tag{font-size:11px;background:var(--soft);color:var(--brand);padding:2px 8px;border-radius:10px;font-weight:600}
.badge-soon{font-size:11px;background:#eee;color:#666;padding:2px 8px;border-radius:10px;align-self:flex-start}
.card.soon{opacity:.75}

/* tool page */
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:6px}
.tool-head h1{margin:0 0 4px;font-size:27px}
.tool-head .lead{color:var(--muted);margin:0 0 10px}
.byline{font-size:13px;color:var(--muted);margin:8px 0 16px}
.notice{border-radius:8px;padding:10px 14px;font-size:14px;margin:10px 0}
.notice.warn{background:var(--warn-soft);color:var(--warn);border:1px solid #f1d9a8}
.notice.bad{background:var(--bad-soft);color:var(--bad);border:1px solid #f4c7c2}
.notice.ok{background:var(--ok-soft);color:var(--ok);border:1px solid #bfe3cf}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
@media(max-width:820px){.grid2{grid-template-columns:1fr}.nav a{margin-left:10px}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.panel h2{font-size:16px;margin:0 0 10px}
.panel h3{font-size:14px;margin:16px 0 6px;color:var(--brand)}
label{display:block;font-size:13px;color:var(--muted);margin:8px 0 3px}
input,select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:7px;font-size:15px;background:#fff;font-family:inherit}
input:focus,select:focus{outline:2px solid var(--soft);border-color:var(--brand-2)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.seg{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;margin-bottom:10px}
.seg button{flex:1;padding:9px;border:0;background:#fff;cursor:pointer;font-size:14px;font-family:inherit}
.seg button.on{background:var(--brand);color:#fff}
.hide{display:none!important}
details.adv{margin-top:12px;border-top:1px dashed var(--line);padding-top:8px}
details.adv summary{cursor:pointer;color:var(--brand-2);font-size:14px}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tile{background:var(--soft);border-radius:8px;padding:11px}
.tile .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.tile .v{font-size:21px;font-weight:700}
.tile .s{font-size:12px;color:var(--muted)}
.tile.main{grid-column:1/-1;background:var(--ok-soft)}
.tile.main .v{color:var(--ok)}
table{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
th,td{border-bottom:1px solid var(--line);padding:6px 6px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;background:#fafbfd}
td.num,th.num{text-align:right}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.btn{background:var(--brand);color:#fff;border:0;border-radius:7px;padding:9px 14px;cursor:pointer;font-size:14px;font-family:inherit}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
article.content{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:22px}
article.content h2{font-size:20px;margin-top:26px}
article.content h2:first-child{margin-top:0}
.toc{background:#fafbfd;border:1px solid var(--line);border-radius:8px;padding:10px 16px;font-size:14px}
.toc ol{margin:4px 0;padding-left:18px}
.faq details{border-bottom:1px solid var(--line);padding:8px 0}
.faq summary{cursor:pointer;font-weight:600}
.related{margin-top:22px}
.feedback{margin-top:14px;font-size:14px;color:var(--muted)}
.feedback button{margin-left:6px}
.small{font-size:12px;color:var(--muted)}

/* print report */
.print-only{display:none}
@media print{
  .site-header,.site-footer,.no-print,article.content,.related,.feedback,.btns,.breadcrumb{display:none!important}
  .print-only{display:block}
  body{background:#fff;font-size:12px}
  .grid2{grid-template-columns:1fr}
  .panel{border:0;padding:0}
}