/* ===== UK Tools — shared styles ===== */
:root {
  --brand: #0b6e4f;
  --brand-dark: #084d37;
  --link: #0a5238;
  --accent: #f4b400;
  --bg: #f5f7f6;
  --card: #ffffff;
  --text: #1c2b26;
  --muted: #47534e;
  --border: #e2e8e5;
  --shadow: 0 2px 10px rgba(0,0,0,0.06);
  --radius: 12px;
  --max: 900px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--link); }

/* Header / nav */
.site-header {
  background: var(--brand-dark);
  color: #fff;
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.brand {
  font-weight: 800;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
  letter-spacing: -0.3px;
}
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.nav-links a {
  color: #eaf3ef;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-links a:hover { color: #fff; text-decoration: underline; }

/* Layout */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.6rem 1.2rem 3rem;
}
.page-title { font-size: 1.9rem; margin: 0.4rem 0 0.2rem; letter-spacing: -0.5px; }
.lede { color: var(--muted); font-size: 1.05rem; margin-top: 0; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.4rem;
  margin: 1.2rem 0;
}
.card h2 { margin-top: 0; }

/* Tool grid on home */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}
.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.3rem;
  text-decoration: none;
  color: var(--text);
  display: block;
  transition: transform .12s ease, box-shadow .12s ease;
}
.tool-card:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,0,0,0.10); }
.tool-card .emoji { font-size: 1.9rem; }
.tool-card h3 { margin: 0.5rem 0 0.3rem; }
.tool-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* Forms */
.field { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.95rem; }
.hint { font-weight: 400; color: var(--muted); font-size: 0.85rem; }
input[type="number"], input[type="text"], select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--brand); border-color: var(--brand); }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 160px; }

button.primary {
  background: var(--brand-dark);
  color: #fff;
  border: none;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  font-size: 1.02rem;
  font-weight: 600;
  cursor: pointer;
}
button.primary:hover { background: #063a29; }
button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.55rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
}

/* Results */
.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}
.stat {
  background: #eef5f1;
  border-radius: 10px;
  padding: 0.9rem 1rem;
  text-align: center;
}
.stat .value { font-size: 1.4rem; font-weight: 800; color: var(--brand-dark); }
.stat .label { font-size: 0.82rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.4px; }
.stat.big { grid-column: 1 / -1; background: var(--brand); }
.stat.big .value { color: #fff; font-size: 2rem; }
.stat.big .label { color: #d6e8df; }

table.breakdown { width: 100%; border-collapse: collapse; margin-top: 1rem; }
table.breakdown th, table.breakdown td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
table.breakdown td:last-child, table.breakdown th:last-child { text-align: right; }
table.breakdown tr.total td { font-weight: 800; border-top: 2px solid var(--brand); border-bottom: none; }

.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tabs button { background:#eef5f1; border:1px solid var(--border); padding:0.45rem 0.9rem; border-radius:20px; cursor:pointer; font-size:0.9rem; }
.tabs button.active { background: var(--brand-dark); color:#fff; border-color: var(--brand-dark); }

/* Ad slots */
.ad-slot {
  margin: 1.4rem 0;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(45deg,#eef1f0,#eef1f0 10px,#f6f8f7 10px,#f6f8f7 20px);
  border: 1px dashed #cdd6d2;
  border-radius: 10px;
  color: #9aa8a3;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;

  /* HIDDEN until AdSense is approved. The ad-slot <div>s stay in the HTML;
     this one line keeps them invisible so the site looks finished and
     doesn't show empty "Advert" boxes to visitors or AdSense reviewers.
     TO RE-ENABLE after approval: delete the `display: none;` line below
     (the slots return), then paste your real AdSense <script> into <head>. */
  display: none;
}

/* Gauge for speed test */
.gauge-wrap { text-align: center; margin: 1rem 0; }
.gauge-num { font-size: 3rem; font-weight: 800; color: var(--brand-dark); }
.gauge-unit { font-size: 1.1rem; color: var(--muted); }
.speed-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin-top: 1rem; }
.progress { height: 10px; background: #e5ece9; border-radius: 6px; overflow: hidden; margin-top: 0.4rem; }
.progress > div { height: 100%; width: 0; background: var(--brand); transition: width .2s ease; }

.note {
  background: #fff8e5;
  border: 1px solid #f0dfa8;
  border-radius: 10px;
  padding: 0.9rem 1rem;
  font-size: 0.9rem;
  color: #554811;
  margin: 1rem 0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  font-size: 0.88rem;
}
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 1.6rem 1.2rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-inner a { color: var(--muted); margin-right: 1rem; text-decoration: none; }
.footer-inner a:hover { text-decoration: underline; }

.disclaimer { font-size: 0.82rem; color: var(--muted); margin-top: 1.5rem; }

@media (max-width: 560px) {
  .page-title { font-size: 1.5rem; }
  .stat.big .value { font-size: 1.6rem; }
}

/* ===== Cookie consent banner ===== */
.cookie-banner{
  position:fixed; left:0; right:0; bottom:0; z-index:1000;
  background:#fff; border-top:1px solid var(--border);
  box-shadow:0 -4px 20px rgba(0,0,0,0.10);
  padding:0.9rem 1.2rem; display:flex; flex-wrap:wrap;
  align-items:center; justify-content:center; gap:0.9rem;
}
.cookie-text{font-size:0.9rem; color:var(--text); max-width:640px; line-height:1.5;}
.cookie-text a{color:var(--brand);}
.cookie-actions{display:flex; gap:0.6rem; flex-wrap:wrap;}
.cookie-btn{border-radius:8px; padding:0.55rem 1.15rem; font-size:0.9rem; font-weight:600; cursor:pointer; border:1px solid var(--border);}
.cookie-btn.reject{background:#fff; color:var(--muted);}
.cookie-btn.reject:hover{background:#f2f4f3;}
.cookie-btn.accept{background:var(--brand); color:#fff; border-color:var(--brand);}
.cookie-btn.accept:hover{background:var(--brand-dark);}
#cookie-prefs{cursor:pointer;}

/* ===== Blog / articles ===== */
.post-meta{color:var(--muted); font-size:0.9rem; margin:-0.4rem 0 1.2rem;}
.post-meta .tag{display:inline-block; background:#eef4f1; color:var(--brand-dark); border:1px solid var(--border); border-radius:999px; padding:0.1rem 0.6rem; font-size:0.78rem; font-weight:600; margin-left:0.3rem;}
.post-card .meta{color:var(--muted); font-size:0.82rem; margin:0.2rem 0 0.4rem;}
article h2{margin-top:1.8rem;}
article h3{margin-top:1.3rem;}
article p{margin:0.7rem 0;}

/* Inline + block code */
code{background:#eef2f0; border:1px solid var(--border); border-radius:5px; padding:0.1rem 0.35rem; font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace; font-size:0.88em;}
pre{background:#0f1f1a; color:#e6f0ec; border-radius:10px; padding:1rem 1.1rem; overflow-x:auto; font-size:0.86rem; line-height:1.5; box-shadow:var(--shadow); margin:1rem 0;}
pre code{background:none; border:none; padding:0; color:inherit; font-size:inherit;}
.code-label{font-size:0.75rem; font-weight:600; letter-spacing:0.03em; text-transform:uppercase; color:var(--muted); margin:1rem 0 -0.5rem;}
.callout{background:#fdf6e3; border-left:4px solid var(--accent); border-radius:8px; padding:0.8rem 1rem; margin:1.1rem 0;}
.callout p{margin:0.3rem 0;}

/* ===== Blog index (AWS-style) ===== */
.blog-hero{display:block; background:linear-gradient(135deg,var(--brand),var(--brand-dark)); color:#fff; border-radius:var(--radius); padding:1.8rem; box-shadow:var(--shadow); text-decoration:none; margin:1.2rem 0;}
.blog-hero .eyebrow{font-size:0.75rem; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--accent);}
.blog-hero h2{color:#fff; margin:0.4rem 0 0.5rem; font-size:1.55rem; line-height:1.25;}
.blog-hero p{color:#e6f0ec; margin:0 0 0.9rem;}
.blog-hero .read{color:#fff; font-weight:600;}
.blog-hero:hover h2{text-decoration:underline;}

.section-head{display:flex; align-items:baseline; justify-content:space-between; flex-wrap:wrap; gap:0.6rem; margin:2rem 0 0.4rem;}
.section-head h2{margin:0;}

.chips{display:flex; flex-wrap:wrap; gap:0.4rem; margin:0.6rem 0 1rem;}
.chip{background:#fff; border:1px solid var(--border); color:var(--muted); border-radius:999px; padding:0.3rem 0.85rem; font-size:0.85rem; font-weight:600; cursor:pointer;}
.chip:hover{border-color:var(--brand); color:var(--brand);}
.chip.active{background:var(--brand); color:#fff; border-color:var(--brand);}

.post-card .cat{display:inline-block; font-size:0.72rem; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; color:var(--brand); margin-bottom:0.2rem;}
.post-card .meta{color:var(--muted); font-size:0.82rem; margin:0.2rem 0 0.4rem;}
.blog-empty{color:var(--muted); padding:1rem 0;}

/* ===== Home page: separated areas ===== */
.area { margin-top: 2.6rem; }
.area:first-of-type { margin-top: 1.8rem; }
.home-kicker {
  display:block;
  font-size:0.72rem; font-weight:700; letter-spacing:0.09em;
  text-transform:uppercase; color:var(--brand-dark);
  margin:0 0 0.15rem;
}
.area > .section-head {
  align-items:flex-end;
  margin:0 0 0.4rem;
  padding-bottom:0.55rem;
  border-bottom:2px solid var(--border);
}
.area > .section-head h2 { font-size:1.4rem; letter-spacing:-0.3px; }
.area-intro { color:var(--muted); margin:0.5rem 0 0; max-width:60ch; }
.panel {
  background:linear-gradient(180deg,#ffffff 0%, #eef5f1 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:1.5rem 1.6rem;
}
.panel > .section-head { border-bottom-color:#d5e2dc; }
.panel h2 { margin-top:0; }
.panel > :last-child { margin-bottom:0; }
.panel .home-kicker { color:var(--brand-dark); }

/* ===== WCAG 2.2 AAA: target size, measure, focus, breadcrumb ===== */
.nav .brand, .nav-links a, .footer-inner a { display:inline-flex; align-items:center; min-height:44px; }
.nav-links a { padding:0.4rem 0.55rem; }
.footer-inner a { padding:0.4rem 0.2rem; margin-right:0.6rem; }
.tabs button, button.ghost, .cookie-btn, .chip { min-height:44px; }

.lede, article p, article li, .card p, .panel p, .note, .callout p { max-width:72ch; }

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
.cookie-btn:focus-visible, .chip:focus-visible, .tabs button:focus-visible {
  outline:3px solid var(--link);
  outline-offset:2px;
}
.nav-links a:focus-visible, .nav .brand:focus-visible { outline-color:#fff; }

.breadcrumb { font-size:0.85rem; color:var(--muted); margin:0 0 0.6rem; }
.breadcrumb a { color:var(--link); text-decoration:none; }
.breadcrumb a:hover { text-decoration:underline; }
.breadcrumb [aria-current="page"] { color:var(--text); font-weight:600; }

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ===== Nav "Blog" dropdown (accessible <details>) ===== */
.navdrop{position:relative; display:inline-block;}
.navdrop > summary{list-style:none; cursor:pointer; color:#eaf3ef; font-size:0.95rem; font-weight:500; padding:0.4rem 0.55rem; display:inline-flex; align-items:center; min-height:44px;}
.navdrop > summary::-webkit-details-marker{display:none;}
.navdrop > summary::after{content:"\25BE"; margin-left:0.3rem; font-size:0.8em;}
.navdrop[open] > summary::after{content:"\25B4";}
.navdrop > summary:hover{color:#fff; text-decoration:underline;}
.navdrop > summary:focus-visible{outline:3px solid #fff; outline-offset:2px;}
.navdrop-menu{position:absolute; top:100%; left:0; z-index:60; margin-top:0.2rem; background:var(--brand-dark); border:1px solid rgba(255,255,255,0.18); border-radius:8px; padding:0.3rem; min-width:190px; box-shadow:0 8px 20px rgba(0,0,0,0.25); display:flex; flex-direction:column;}
.navdrop-menu a{color:#eaf3ef; text-decoration:none; font-size:0.95rem; font-weight:500; padding:0.5rem 0.7rem; border-radius:6px; min-height:44px; display:flex; align-items:center;}
.navdrop-menu a:hover{background:rgba(255,255,255,0.14); color:#fff; text-decoration:none;}
.navdrop-menu a:focus-visible{outline:3px solid #fff; outline-offset:-2px;}

/* ===== Blog topic tabs (All / AWS / Home Assistant) ===== */
.blogtabs{display:flex; flex-wrap:wrap; gap:0.4rem; margin:0.6rem 0 1.2rem;}
.blogtabs a{display:inline-flex; align-items:center; min-height:44px; background:#fff; border:1px solid var(--border); color:var(--muted); border-radius:999px; padding:0.3rem 0.95rem; font-size:0.9rem; font-weight:600; text-decoration:none;}
.blogtabs a:hover{border-color:var(--brand); color:var(--brand);}
.blogtabs a[aria-current="page"]{background:var(--brand); color:#fff; border-color:var(--brand);}

/* ===== Multi-part series (blog build logs) ===== */
.part-label{display:block; font-size:0.72rem; font-weight:700; letter-spacing:0.09em; text-transform:uppercase; color:var(--brand); margin:0 0 0.15rem;}

/* Article data tables */
article table{width:100%; border-collapse:collapse; margin:1.1rem 0; font-size:0.92rem;}
article th, article td{text-align:left; padding:0.55rem 0.65rem; border-bottom:1px solid var(--border); vertical-align:top;}
article thead th{color:var(--brand-dark); font-weight:700; font-size:0.78rem; text-transform:uppercase; letter-spacing:0.03em;}
article tbody tr:hover{background:#f0f5f2;}

/* In-page table of contents */
.toc{background:#f0f5f2; border:1px solid var(--border); border-radius:10px; padding:0.9rem 1.1rem; margin:1.2rem 0;}
.toc-title{font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; color:var(--muted); margin-bottom:0.4rem;}
.toc ul{margin:0; padding-left:1.1rem;}
.toc li{margin:0.2rem 0;}

/* Callout severity variants (reuse .callout) */
.callout.warn{border-left-color:#d98a00; background:#fff5e0;}
.callout.danger{border-left-color:#c0392b; background:#fdecea;}

/* Prev / next pager */
.pager{display:flex; justify-content:space-between; gap:0.8rem; margin:2rem 0 0.5rem; border-top:1px solid var(--border); padding-top:1.2rem;}
.pager a{display:block; flex:1; background:var(--card); border:1px solid var(--border); border-radius:10px; padding:0.7rem 0.9rem; text-decoration:none;}
.pager a:hover{border-color:var(--brand);}
.pager .dir{font-size:0.72rem; color:var(--muted); text-transform:uppercase; letter-spacing:0.05em;}
.pager .ttl{color:var(--text); font-weight:600;}
.pager a.next{text-align:right;}

/* Series navigation strip */
.series-nav{background:#f0f5f2; border:1px solid var(--border); border-radius:10px; padding:0.9rem 1.1rem; margin:1.2rem 0;}
.series-nav .toc-title{margin-bottom:0.5rem;}
.series-nav ol{margin:0; padding-left:1.3rem;}
.series-nav li{margin:0.25rem 0;}
.series-nav li[aria-current="page"]{font-weight:700; color:var(--brand-dark);}
.series-nav li[aria-current="page"] span{color:var(--brand-dark);}