@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

:root {
  --surface-0: #ffffff;
  --surface-1: #f6f5f9;
  --surface-2: #f0eef5;
  --border: #e2e0e8;
  --border-strong: #cfccd8;
  --text-primary: #14141a;
  --text-secondary: #65636f;
  --text-muted: #8b8996;
  --accent: #7c3aed;
  --accent-hover: #6d28d9;
  --accent-bg: #f1ebfe;
  --accent-text-on-fill: #ffffff;
  --danger: #dc2626;
}

[data-theme="dark"] {
  --surface-0: #0b0b10;
  --surface-1: #131318;
  --surface-2: #1b1b22;
  --border: #26262f;
  --border-strong: #34333e;
  --text-primary: #f2f1f5;
  --text-secondary: #9997a3;
  --text-muted: #6f6d78;
  --accent: #8b5cf6;
  --accent-hover: #a78bfa;
  --accent-bg: #241a3d;
  --accent-text-on-fill: #ffffff;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface-0);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  transition: background 0.15s ease, color 0.15s ease;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.site-header nav { display: flex; align-items: center; gap: 1.25rem; }
.site-header nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}
.site-header nav a:hover { color: var(--text-primary); }

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  border-radius: 999px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 780px; margin: 0 auto; padding: 2rem; }

.hero { margin-bottom: 2.5rem; }
.hero h1 { font-size: 2.1rem; font-weight: 700; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.hero p { color: var(--text-secondary); max-width: 55ch; }

.grid { display: flex; flex-direction: column; gap: 1.25rem; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}
.card h2 { margin: 0.5rem 0 0.5rem; font-size: 1.25rem; font-weight: 700; }
.card h2 a { color: var(--text-primary); text-decoration: none; }
.card h2 a:hover { color: var(--accent); }
.card p { color: var(--text-secondary); margin: 0 0 0.6rem; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-bg);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}
a.badge { text-decoration: none; }

.meta {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.meta a { color: var(--text-muted); }

.article h1 { font-size: 1.85rem; font-weight: 700; margin: 0.6rem 0 0.8rem; letter-spacing: -0.02em; }

.breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.breadcrumb a { color: var(--text-muted); }

.ai-notice {
  font-size: 0.85rem;
  background: var(--accent-bg);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 1.25rem 0;
  color: var(--text-primary);
}
.ai-notice a { color: var(--accent); font-weight: 500; }

.length-toggle {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
}
.length-toggle button {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-primary);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: inherit;
}
.length-toggle button:hover { border-color: var(--accent); }
.length-toggle button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text-on-fill);
}

.length-panel { font-size: 1.05rem; color: var(--text-primary); }
.length-panel p { margin: 0 0 1.1rem; line-height: 1.7; }
.length-panel p:last-child { margin-bottom: 0; }

.cat-filter { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.cat-pill {
  font-size: 0.8rem;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  text-decoration: none;
  cursor: pointer;
}
.cat-pill:hover { border-color: var(--accent); color: var(--accent); }
.cat-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text-on-fill);
}
.no-match-msg { color: var(--text-secondary); }

.related { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.related h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.related-list { display: flex; flex-direction: column; gap: 0.75rem; }
.related-list a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.related-list a:hover { color: var(--accent); }

.pagination {
  display: flex;
  justify-content: space-between;
  margin: 2rem 0;
}
.pagination a { color: var(--accent); text-decoration: none; font-weight: 500; }

.site-footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--text-muted); }

.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-1);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  margin: 1.5rem 0;
}
.ad-slot__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.card { padding: 0; overflow: hidden; }
.card > *:not(.card-thumb) { padding-left: 1.5rem; padding-right: 1.5rem; }
.card > .badge { margin-top: 1.25rem; margin-left: 1.5rem; display: inline-block; }
.card > p, .card > .meta { margin-left: 1.5rem; margin-right: 1.5rem; }
.card > .meta { padding-bottom: 1.25rem; }

.card-thumb {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
}
.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-hero {
  margin: 0.75rem 0 1rem;
}
.article-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  display: block;
}
.article-hero figcaption {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}
.article-hero figcaption a { color: var(--text-muted); }

.share-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}
.share-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-right: 0.25rem;
}
.share-btn {
  font-size: 0.82rem;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-decoration: none;
  cursor: pointer;
}
.share-btn:hover { border-color: var(--accent); color: var(--accent); }

.advisory-card { padding: 1.25rem 1.5rem; }
.advisory-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.5rem; }
.cve-id { font-family: monospace; font-size: 0.78rem; color: var(--text-muted); }
.advisory-product { color: var(--text-secondary); font-size: 0.85rem; margin: 0 0 0.5rem; }
.cve-link { font-size: 0.82rem; color: var(--accent); text-decoration: none; font-weight: 500; }
.cve-link:hover { color: var(--accent-hover); }

.sev-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}
.sev-ransomware, .sev-overdue { background: var(--danger); color: #ffffff; }
.sev-due-soon { background: #f59e0b; color: #1a1400; }
.sev-exploited { background: var(--accent-bg); color: var(--accent); }

.sev-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.sev-dot.sev-ransomware, .sev-dot.sev-overdue { background: var(--danger); }
.sev-dot.sev-exploited { background: var(--accent); }

.security-widget {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
}
.security-widget-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.security-widget-head h3 { font-size: 0.95rem; font-weight: 700; margin: 0; }
.security-widget-head a { font-size: 0.8rem; color: var(--accent); text-decoration: none; }
.security-widget-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.security-widget-list li { display: flex; align-items: center; gap: 0.55rem; }
.security-widget-list a { font-size: 0.85rem; color: var(--text-primary); text-decoration: none; }
.security-widget-list a:hover { color: var(--accent); }

.disclaimer {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  margin-top: 0.75rem;
  max-width: none;
}

.remediation {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  margin: 0.75rem 0;
}
.remediation-row { margin-bottom: 0.5rem; }
.patch-status {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}
.patch-yes { background: var(--accent-bg); color: var(--accent); }
.patch-no { background: var(--danger); color: #ffffff; }
.remediation-text { font-size: 0.88rem; margin: 0.4rem 0 0; color: var(--text-primary); }
.remediation-text strong { font-weight: 700; }

.advisory-links { display: flex; gap: 1rem; margin-top: 0.5rem; }

.subscribe {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.subscribe h2 { font-size: 1.1rem; margin: 0 0 0.4rem; }
.subscribe > p { color: var(--text-secondary); font-size: 0.88rem; margin: 0 0 0.9rem; }
.feed-links { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.feed-link {
  font-size: 0.82rem;
  color: var(--text-primary);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-decoration: none;
}
.feed-link:hover { border-color: var(--accent); color: var(--accent); }
.feed-link-critical { border-color: var(--danger); color: var(--danger); }
.feed-link-critical:hover { background: var(--danger); color: #ffffff; }
.vendor-feeds { margin-top: 0.9rem; }
.vendor-feeds summary { cursor: pointer; font-size: 0.85rem; color: var(--accent); margin-bottom: 0.7rem; }
.vendor-feeds .feed-links { margin-top: 0.7rem; }

.feed-subscribe {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
}
.feed-subscribe-critical { border-color: var(--danger); }
.feed-subscribe-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.feed-subscribe-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.feed-btn {
  font-size: 0.8rem;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-decoration: none;
  cursor: pointer;
}
.feed-btn:hover { border-color: var(--accent); color: var(--accent); }

.filter-section {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.filter-section h2 { font-size: 1.1rem; margin: 0 0 0.9rem; }
.filter-group { margin-bottom: 0.9rem; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.filter-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-pill {
  font-size: 0.8rem;
  font-family: inherit;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  cursor: pointer;
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text-on-fill);
}
.vendor-filter { margin-top: 0.9rem; }
.vendor-filter summary { cursor: pointer; font-size: 0.85rem; color: var(--accent); margin-bottom: 0.7rem; }
.vendor-filter .filter-pills { margin-top: 0.7rem; }