/* --- Reset / base --- */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 1rem;
  background: #fff;
  color: #111;
  line-height: 1.5;
}

/* --- Container --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* --- Header --- */
header {
  margin-bottom: 2rem;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 1rem;
}

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.8rem;
}

.subtitle {
  margin: 0 0 0.25rem;
  color: #555;
  font-size: 0.95rem;
}

.last-updated {
  margin: 0;
  color: #888;
  font-size: 0.85rem;
}

/* --- Nav --- */
nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  padding: 0.5rem 0.75rem;
  background: #f5f5f5;
  border-radius: 4px;
  font-size: 0.875rem;
}

nav a {
  font-weight: 500;
}

.nav-sep {
  color: #ccc;
}

.nav-data {
  color: #888;
}

.nav-data a {
  margin-left: 0.4rem;
  font-weight: 400;
  font-size: 0.82em;
  color: #666;
}

@media (prefers-color-scheme: dark) {
  nav { background: #242424; }
  .nav-sep { color: #444; }
  .nav-data { color: #666; }
  .nav-data a { color: #7aadff; }
}

/* --- Sections --- */
section {
  margin-bottom: 2.5rem;
}

section h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.count {
  font-weight: 400;
  color: #666;
  font-size: 0.9em;
}

/* --- Table wrapper (horizontal scroll on mobile) --- */
.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
  font-size: 0.9rem;
}

th {
  background: #f0f0f0;
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid #ccc;
  white-space: nowrap;
}

td {
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid #e8e8e8;
  vertical-align: top;
}

tr:nth-child(even) td {
  background: #f9f9f9;
}

tr:hover td {
  background: #f0f7ff;
}

/* --- Links --- */
a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- Severity labels --- */
.severity {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  font-size: 0.78em;
  font-weight: 600;
  text-transform: uppercase;
  color: #fff;
  white-space: nowrap;
}

.severity.critical { background: #c0392b; }
.severity.high     { background: #e67e22; }
.severity.medium   { background: #f39c12; color: #333; }
.severity.low      { background: #2980b9; }
.severity.none     { background: #7f8c8d; }

/* --- KEV indicator --- */
.kev-yes {
  color: #c0392b;
  font-weight: 700;
  font-size: 1.1em;
}

/* --- Description expand/collapse --- */
details summary {
  cursor: pointer;
  color: #555;
  font-size: 0.88em;
  list-style: none;
}

details summary::-webkit-details-marker { display: none; }

details summary::before {
  content: "+ ";
  font-weight: 700;
  color: #888;
}

details[open] summary::before {
  content: "- ";
}

details p {
  margin: 0.4rem 0 0;
  font-size: 0.88em;
  color: #444;
  white-space: pre-wrap;
  word-break: break-word;
}

/* --- Footer --- */
footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid #e0e0e0;
  font-size: 0.8em;
  color: #888;
}

/* --- Dark mode --- */
@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a1a;
    color: #e8e8e8;
  }

  header {
    border-bottom-color: #333;
  }

  .subtitle { color: #aaa; }
  .last-updated { color: #666; }

  th {
    background: #252525;
    border-bottom-color: #444;
    color: #ccc;
  }

  td {
    border-bottom-color: #2e2e2e;
  }

  tr:nth-child(even) td {
    background: #222;
  }

  tr:hover td {
    background: #1e2a38;
  }

  a { color: #7aadff; }

  .severity.medium { color: #111; }

  .count { color: #888; }

  details summary { color: #aaa; }
  details p { color: #bbb; }

  footer {
    border-top-color: #333;
    color: #666;
  }
}