/* BlueTeamKit — dark defensive-blue, terminal-adjacent but clean */
:root {
  --bg: #0a0e14;
  --bg-panel: #111722;
  --bg-input: #0d1420;
  --border: #1e2a3a;
  --text: #d7e1ec;
  --text-dim: #8494a7;
  --accent: #4da6ff;
  --accent-dim: #2f6fb3;
  --good: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono, input, textarea, select { font-family: var(--mono); }

/* layout */
.wrap { max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }
header.site {
  border-bottom: 1px solid var(--border); background: var(--bg-panel);
}
header.site .wrap {
  display: flex; align-items: center; gap: 1.5rem; padding: .8rem 1.25rem; flex-wrap: wrap;
}
.logo { font-family: var(--mono); font-weight: 700; font-size: 1.05rem; color: var(--text); }
.logo .blue { color: var(--accent); }
nav.site a { color: var(--text-dim); font-size: .9rem; margin-right: 1rem; }
nav.site a:hover { color: var(--accent); text-decoration: none; }
main { padding: 2rem 0 3rem; }
h1 { font-size: 1.6rem; margin: 0 0 .35rem; }
.tagline { color: var(--text-dim); margin: 0 0 1.6rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .6rem; color: var(--accent); }
h3 { font-size: 1rem; margin: 1.2rem 0 .4rem; }

/* panels & forms */
.panel {
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.1rem 1.2rem; margin: 1rem 0;
}
input[type=text], input[type=url], textarea, select {
  width: 100%; background: var(--bg-input); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: .55rem .7rem; font-size: .92rem;
}
textarea { min-height: 160px; resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 1px solid var(--accent-dim); }
button {
  background: var(--accent-dim); color: #fff; border: 0; border-radius: 6px;
  padding: .55rem 1.1rem; font-size: .92rem; cursor: pointer; font-family: var(--sans);
}
button:hover { background: var(--accent); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text-dim); }
button.ghost:hover { color: var(--accent); border-color: var(--accent-dim); }
.row { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin: .6rem 0; }
.row > input[type=text], .row > input[type=url] { flex: 1; min-width: 220px; }
label { font-size: .85rem; color: var(--text-dim); }

/* results */
.result { margin-top: 1rem; }
pre.out {
  background: var(--bg-input); border: 1px solid var(--border); border-radius: 6px;
  padding: .8rem 1rem; overflow-x: auto; font-size: .85rem; white-space: pre-wrap;
  word-break: break-word;
}
table.checks { width: 100%; border-collapse: collapse; font-size: .88rem; }
table.checks th, table.checks td {
  text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.checks th { color: var(--text-dim); font-weight: 600; }
.ok { color: var(--good); font-weight: 600; }
.warn { color: var(--warn); font-weight: 600; }
.fail { color: var(--bad); font-weight: 600; }
.grade { font-family: var(--mono); font-size: 2.2rem; font-weight: 700; }
.grade.a { color: var(--good); } .grade.b { color: #9ccc3c; }
.grade.c { color: var(--warn); } .grade.d, .grade.f { color: var(--bad); }
.hint { color: var(--text-dim); font-size: .82rem; }
.err { color: var(--bad); font-size: .9rem; }

/* tool grid (home) */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 1rem 1.1rem; transition: border-color .15s;
}
.card:hover { border-color: var(--accent-dim); }
.card h3 { margin: 0 0 .3rem; font-size: 1rem; }
.card p { margin: 0; color: var(--text-dim); font-size: .86rem; }
.card a { color: var(--text); }
.badge {
  display: inline-block; font-family: var(--mono); font-size: .68rem; color: var(--accent);
  border: 1px solid var(--accent-dim); border-radius: 4px; padding: .05rem .4rem;
  margin-bottom: .5rem;
}

/* resources / monetization box */
aside.resources {
  border: 1px solid var(--border); border-left: 3px solid var(--accent-dim);
  border-radius: 6px; padding: .9rem 1.1rem; margin: 2rem 0 0; font-size: .88rem;
  background: var(--bg-panel);
}
aside.resources h2 { margin: 0 0 .5rem; font-size: .95rem; }
aside.resources ul { margin: .3rem 0; padding-left: 1.2rem; }
aside.resources .ftc { color: var(--text-dim); font-size: .75rem; margin: .6rem 0 0; }

/* tool↔video card (site→channel funnel) */
a.video-card {
  display: flex; gap: .9rem; align-items: center; text-decoration: none;
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px;
  padding: .7rem .9rem; margin: 1.4rem 0 0; transition: border-color .15s;
}
a.video-card:hover { border-color: var(--accent-dim); text-decoration: none; }
a.video-card img {
  width: 108px; height: 81px; object-fit: cover; border-radius: 5px; flex-shrink: 0;
}
a.video-card strong { display: block; color: var(--text); font-size: .92rem; line-height: 1.35; }
a.video-card em {
  display: block; color: var(--text-dim); font-style: normal; font-size: .78rem; margin-top: .3rem;
}
a.video-card:hover em { color: var(--accent); }

/* footer */
footer.site {
  border-top: 1px solid var(--border); padding: 1.4rem 0 2rem;
  color: var(--text-dim); font-size: .82rem;
}
footer.site .wrap { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; }
footer.site a { color: var(--text-dim); }
footer.site a:hover { color: var(--accent); }
.privacy-note {
  font-size: .8rem; color: var(--text-dim); border: 1px dashed var(--border);
  border-radius: 6px; padding: .5rem .8rem; margin: .8rem 0;
}
.privacy-note::before { content: "🔒 "; }