/* GitLab Pages Threat Intelligence Research Theme */
:root {
  --bg-color: #0b0f19;
  --card-bg: #111827;
  --card-hover: #1f2937;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --border: #374151;
  --badge-bg: rgba(56, 189, 248, 0.12);
  --badge-border: rgba(56, 189, 248, 0.3);
  --warning-bg: rgba(245, 158, 11, 0.1);
  --warning-border: #f59e0b;
  --code-bg: #1e293b;
  --success: #10b981;
  --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.65;
  padding: 0 1.5rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 2rem 0 1.5rem;
  margin-bottom: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-title { font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none; display: flex; align-items: center; gap: 0.6rem; }
.site-title span { color: var(--accent); }
nav.top-nav { display: flex; gap: 1.2rem; align-items: center; }
nav.top-nav a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s; }
nav.top-nav a:hover, nav.top-nav a.active { color: var(--accent); }

.canonical-banner {
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.12), rgba(16, 185, 129, 0.08));
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  margin: 1.8rem 0 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.canonical-banner-text strong { color: var(--accent); display: block; font-size: 1.05rem; margin-bottom: 0.25rem; }
.canonical-banner-text p { color: var(--text-main); font-size: 0.92rem; }
.canonical-btn {
  background: var(--accent);
  color: #0b0f19;
  font-weight: 700;
  text-decoration: none;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 0.88rem;
  white-space: nowrap;
  transition: transform 0.15s, background-color 0.15s;
}
.canonical-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }

h1 { font-size: 2.2rem; color: #fff; margin-bottom: 0.8rem; line-height: 1.25; }
h2 { font-size: 1.5rem; color: #fff; margin: 2rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); }
h3 { font-size: 1.2rem; color: var(--accent); margin: 1.5rem 0 0.8rem; }
p { margin-bottom: 1.2rem; color: var(--text-main); font-size: 1rem; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

.badge {
  display: inline-block;
  background: var(--badge-bg);
  color: var(--accent);
  border: 1px solid var(--badge-border);
  padding: 0.2rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
}
.badge-danger { background: rgba(239, 68, 68, 0.15); color: #f87171; border-color: rgba(239, 68, 68, 0.4); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border-color: rgba(245, 158, 11, 0.4); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: #34d399; border-color: rgba(16, 185, 129, 0.4); }

.cluster-section { margin-bottom: 3.5rem; }
.cluster-header {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.6rem;
}
.cluster-title { font-size: 1.45rem; color: #fff; font-weight: 700; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  background: var(--card-hover);
}
.card-header { margin-bottom: 0.8rem; }
.card-title { font-size: 1.25rem; font-weight: 700; color: #fff; text-decoration: none; }
.card-desc { font-size: 0.92rem; color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.5; }
.card-footer {
  border-top: 1px solid var(--border);
  padding-top: 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-link { font-size: 0.88rem; font-weight: 600; text-decoration: none; }

table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.92rem; }
th, td { border: 1px solid var(--border); padding: 0.75rem 1rem; text-align: left; }
th { background: #1f2937; color: #fff; font-weight: 600; }
tr:nth-child(even) { background: rgba(255, 255, 255, 0.02); }

code {
  background: var(--code-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88rem;
  color: #e2e8f0;
}

ul.bullet-list { margin-left: 1.5rem; margin-bottom: 1.5rem; }
ul.bullet-list li { margin-bottom: 0.5rem; font-size: 0.95rem; }

footer.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding-top: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}