:root {
  --bs-primary: #f97316;
  --bs-primary-rgb: 249,115,22;
  --primary-color: #f97316;
  --primary-hover: #ea580c;
  --card-border: #e5e7eb;
  --card-hover-bg: #f8fafc;
  --text-muted: #6b7280;
  --footer-bg: #f1f5f9;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bs-body-bg);
}

main {
  flex: 1;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-brand svg {
  opacity: 0.9;
}

.nav-link {
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  opacity: 1;
}

.tool-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  background-color: var(--bs-body-bg);
  transition: all 0.2s ease;
}

.tool-card:hover {
  border-color: var(--primary-color);
  background-color: var(--bs-body-bg);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.tool-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #eff6ff;
  color: var(--primary-color);
  border-radius: 10px;
}

.tool-card:hover .tool-icon {
  background-color: var(--primary-color);
  color: #fff;
}

.card-title {
  color: var(--bs-body-color);
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.9rem;
  line-height: 1.5;
}

footer {
  background-color: var(--bs-body-bg);
  border-top: 1px solid var(--bs-border-color);
}

footer a {
  text-decoration: none;
  transition: opacity 0.2s ease;
}

footer a:hover {
  opacity: 0.7;
}

code {
  font-family:
    "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono",
    "Source Code Pro", monospace;
  font-size: 0.85rem;
  background-color: var(--bs-body-bg);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

.table th {
  font-weight: 500;
  color: var(--bs-body-color);
  border-bottom-width: 1px;
}

.table td {
  color: var(--bs-body-color);
}

@media (max-width: 576px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .display-5 {
    font-size: 1.75rem;
  }

  .lead {
    font-size: 1rem;
  }

  #category-filters {
    flex-direction: column;
    gap: 0.1rem;
  }

  #category-filters .btn {
    border-radius: 0.375rem !important;
  }
}

.severity-critical,
.bg-severity-critical {
  background-color: #7c3aed !important;
  color: #fff !important;
}

.severity-high,
.bg-severity-high {
  background-color: #dc2626 !important;
  color: #fff !important;
}

.severity-medium,
.bg-severity-medium {
  background-color: #ea580c !important;
  color: #fff !important;
}

.severity-low,
.bg-severity-low {
  background-color: #0284c7 !important;
  color: #fff !important;
}

.diff-added {
  background-color: #d4edda;
  border-left: 4px solid #28a745;
}

.diff-removed {
  background-color: #f8d7da;
  border-left: 4px solid #dc3545;
}

.diff-unchanged {
  background-color: #f8f9fa;
  border-left: 4px solid #6c757d;
}

.diff-line {
  padding: 4px 8px;
  margin: 2px 0;
  font-family: "Courier New", monospace;
  white-space: pre-wrap;
}

.diff-controls {
  margin-bottom: 1rem;
}