:root {
  --ink: #131629; --ink-soft: #5B6072; --bg: #FBFAF7; --card: #FFFFFF;
  --line: #EAE7DD; --blue: #3B5BFF; --blue-tint: #EAEDFF; --purple: #8B5CF6;
  --purple-tint: #F1EBFF; --teal: #0EA5A0; --teal-tint: #E3F6F5;
  --amber: #F59E0B; --amber-tint: #FEF3E0; --red: #EF4444; --green: #16A34A;
  --font-display: 'Sora', sans-serif; --font-body: 'Inter', sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); line-height: 1.6; -webkit-font-smoothing: antialiased; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
a { color: inherit; }

nav.top { display: flex; align-items: center; justify-content: space-between; padding: 26px 32px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; text-decoration: none; display: flex; align-items: center; gap: 9px; }
.brand .dot { width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--purple)); display: inline-block; }
.navlinks { display: flex; gap: 22px; font-size: 0.9rem; }
.nav-item { color: var(--ink-soft); text-decoration: none; }
.nav-item:hover { color: var(--ink); }

.tool-main { padding: 8px 32px 64px; }
.tool-crumb { margin-bottom: 18px; font-size: 0.86rem; }
.tool-crumb a { color: var(--blue); text-decoration: none; }
.tool-crumb a:hover { text-decoration: underline; }
.tool-title { font-family: var(--font-display); font-size: 1.9rem; margin: 0 0 8px; }
.tool-lede { color: var(--ink-soft); margin: 0 0 28px; max-width: 640px; }

.tool-form { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 24px; }
.tool-form input[type=text], .tool-form input[type=email], .tool-form input[type=file], .tool-form textarea {
  flex: 1; min-width: 220px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px;
  font-family: inherit; font-size: 0.95rem; background: var(--card); color: var(--ink);
}
.tool-form textarea { width: 100%; min-height: 140px; resize: vertical; font-family: 'SFMono-Regular', Consolas, monospace; font-size: 0.85rem; }
.tool-form label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 6px; color: var(--ink-soft); }
.tool-form .field { flex: 1; min-width: 220px; }
.tool-form .field-full { flex-basis: 100%; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--ink); color: #fff; border: none; border-radius: 10px;
  padding: 12px 22px; font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; text-decoration: none; height: fit-content; align-self: flex-end;
}
.btn:hover { background: #262a45; }
.btn:disabled { opacity: 0.6; cursor: default; }

.result-box { border-radius: 14px; padding: 20px 22px; margin-top: 6px; border: 1px solid var(--line); background: var(--card); }
.result-box.ok { border-color: #C9EFE0; background: #F3FBF7; }
.result-box.err { border-color: #FBD5D5; background: #FEF3F3; color: #8A1F1F; }
.result-box h3 { margin: 0 0 10px; font-family: var(--font-display); font-size: 1.05rem; }
.result-box pre { white-space: pre-wrap; word-break: break-word; font-size: 0.82rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px; max-height: 420px; overflow: auto; }
.kv { display: grid; grid-template-columns: 200px 1fr; gap: 6px 16px; font-size: 0.92rem; margin-bottom: 4px; }
.kv b { color: var(--ink-soft); font-weight: 600; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.pill.good { background: #DCFCE7; color: #15803D; }
.pill.bad { background: #FEE2E2; color: #B91C1C; }
.pill.warn { background: var(--amber-tint); color: #92610A; }

/* Tool hub */
.cat-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 36px; }
.cat-tab {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 8px; padding: 10px 16px; font-size: 0.88rem; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.cat-tab.active { background: var(--teal); color: #fff; border-color: var(--teal); }
.cat-tab:hover:not(.active) { border-color: var(--ink-soft); }
.cat-head { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; margin: 0 0 4px; }
.cat-underline { width: 90px; height: 3px; background: var(--teal); border-radius: 2px; margin-bottom: 26px; }
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 980px) { .tool-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .tool-grid { grid-template-columns: 1fr; } }
.tool-card {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px;
  text-decoration: none; color: var(--ink); font-weight: 600; font-size: 0.92rem;
  background: var(--card);
}
.tool-card:hover { border-color: var(--ink-soft); }
.tool-card.new { border-color: var(--green); }
.tool-card .tc-label { display: flex; flex-direction: column; gap: 4px; }
.tool-card .tc-new { color: var(--green); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.tool-card svg { flex-shrink: 0; opacity: 0.6; }
.placeholder-note { color: var(--ink-soft); padding: 40px 0; text-align: center; }

.tool-footer { border-top: 1px solid var(--line); padding: 26px 0; margin-top: 40px; color: var(--ink-soft); font-size: 0.85rem; }

/* ---------- Hub v2 ---------- */
.hub-hero { text-align: center; padding: 18px 0 8px; }
.hub-eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--teal); background: var(--teal-tint); padding: 5px 12px; border-radius: 999px; margin-bottom: 16px; }
.hub-hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 4.4vw, 3rem); line-height: 1.12; margin: 0 0 14px; letter-spacing: -0.02em; }
.hub-hero h1 span { background: linear-gradient(120deg, var(--blue), var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hub-hero p { color: var(--ink-soft); max-width: 600px; margin: 0 auto 26px; font-size: 1.05rem; }
.hub-search { position: relative; max-width: 560px; margin: 0 auto 22px; }
.hub-search input { width: 100%; padding: 16px 18px 16px 48px; border: 1px solid var(--line); border-radius: 14px; font-family: inherit; font-size: 1rem; background: var(--card); box-shadow: 0 10px 30px -18px rgba(19,22,41,0.35); }
.hub-search input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-tint); }
.hub-search svg { position: absolute; left: 17px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); }
.hub-search kbd { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 0.72rem; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 6px; padding: 2px 7px; color: var(--ink-soft); background: var(--bg); }
.hub-stats { display: flex; justify-content: center; gap: 28px; flex-wrap: wrap; color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 8px; }
.hub-stats b { color: var(--ink); font-family: var(--font-display); }
.cat-tabs.v2 { justify-content: center; margin: 26px 0 30px; }
.cat-tab .count { display: inline-block; margin-left: 7px; font-size: 0.72rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; background: var(--bg); color: var(--ink-soft); }
.cat-tab.active .count { background: rgba(255,255,255,0.25); color: #fff; }
.cat-section { margin-bottom: 40px; }
.cat-section-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.cat-section-head h2 { font-family: var(--font-display); font-size: 1.3rem; margin: 0; }
.cat-section-head p { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }
.ic { width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; flex-shrink: 0; }
.ic svg { width: 19px; height: 19px; }
.ic.domain { background: var(--blue-tint); color: var(--blue); }
.ic.dns { background: var(--purple-tint); color: var(--purple); }
.ic.sysadmin { background: var(--teal-tint); color: var(--teal); }
.tool-grid.v2 { grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 14px; }
.tool-card.v2 { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 6px; padding: 18px; border-radius: 14px; position: relative; transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease; }
.tool-card.v2:hover { transform: translateY(-3px); box-shadow: 0 18px 32px -20px rgba(19,22,41,0.35); border-color: var(--blue); }
.tool-card.v2 .ic { margin-bottom: 8px; }
.tool-card.v2 .t-name { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; line-height: 1.3; }
.tool-card.v2 .t-desc { color: var(--ink-soft); font-weight: 400; font-size: 0.84rem; line-height: 1.45; }
.tool-card.v2 .t-go { margin-top: auto; padding-top: 8px; font-size: 0.8rem; font-weight: 600; color: var(--blue); }
.tool-card.v2 .badge-new { position: absolute; top: 14px; right: 14px; font-size: 0.66rem; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: #fff; background: var(--green); padding: 3px 8px; border-radius: 999px; }
.no-results { text-align: center; color: var(--ink-soft); padding: 50px 0; display: none; }