/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #000000;
  --text: #e0e0e0;
  --text-bright: #ffffff;
  --accent: #ffffff;
  --accent-dim: #aaaaaa;
  --red: #ff3333;
  --orange: #ff9900;
  --yellow: #ffff00;
  --blue: #00aaff;
  --border: #1a1a1a;
  --card-bg: #0a0a0a;
  --card-hover: #111111;
  --font-mono: 'Courier New', 'Fira Code', 'JetBrains Mono', monospace;
}

html { font-size: 15px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: #cccccc; text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--text-bright); text-decoration: underline; }

/* === HEADER === */
header {
  border-bottom: 1px solid var(--border);
  padding: 2rem 1.5rem 1.5rem;
  text-align: center;
}

.header-inner { max-width: 900px; margin: 0 auto; }

.logo a { text-decoration: none; }
.prompt { color: var(--text-bright); font-weight: bold; }
.cursor { color: var(--text-bright); animation: blink 1s step-end infinite; }
.title-text { color: var(--text-bright); font-size: 1.1rem; }

@keyframes blink { 50% { opacity: 0; } }

.tagline { color: #666; font-size: 0.85rem; margin-top: 0.5rem; }

/* === MAIN === */
main {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  flex: 1;
}

/* === TAB NAVIGATION === */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  flex-wrap: wrap;
}

.tab {
  background: none;
  border: 1px solid var(--border);
  border-bottom: none;
  color: #555;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab:hover { color: var(--text); background: var(--card-bg); }

.tab.active {
  color: var(--text-bright);
  background: var(--card-bg);
  border-top: 2px solid var(--text-bright);
  margin-bottom: -1px;
  border-bottom: 1px solid var(--card-bg);
}

/* === TAB CONTENT === */
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }

/* === SECTION TITLE === */
.section-title {
  color: var(--text-bright);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  font-weight: normal;
}

/* === POST CARDS === */
.post-list { display: flex; flex-direction: column; gap: 1rem; }

.post-card {
  border: 1px solid var(--border);
  background: var(--card-bg);
  padding: 1.25rem;
  transition: all 0.2s;
}

.post-card:hover {
  background: var(--card-hover);
  border-color: #333;
}

.post-card h3 { margin: 0.5rem 0; }
.post-card h3 a { color: var(--text-bright); }
.post-card h3 a:hover { color: #ccc; text-decoration: none; }

.post-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: #555;
}

.source { color: var(--blue); }

.summary { color: #888; font-size: 0.9rem; margin-top: 0.5rem; }

/* === TAGS === */
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.tag {
  color: #999;
  font-size: 0.75rem;
  background: #111;
  padding: 0.15rem 0.5rem;
  border: 1px solid #333;
}

/* === CVE CARDS === */
.cve-list { display: flex; flex-direction: column; gap: 1rem; }

.cve-card {
  border: 1px solid var(--border);
  background: var(--card-bg);
  padding: 1.25rem;
  transition: all 0.2s;
}

.cve-card:hover { background: var(--card-hover); border-color: #333; }

.cve-header { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.cve-id { color: var(--text-bright); font-weight: bold; font-size: 1rem; }

.severity {
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  font-weight: bold;
  text-transform: uppercase;
}
.severity-critical { color: #000; background: var(--red); }
.severity-high { color: #000; background: var(--orange); }
.severity-medium { color: #000; background: var(--yellow); }
.severity-low { color: #000; background: var(--blue); }

.cvss { color: #888; font-size: 0.8rem; }
.cve-desc { color: #999; font-size: 0.9rem; margin: 0.75rem 0; }
.cve-meta { display: flex; gap: 1rem; font-size: 0.8rem; color: #555; }
.affected { color: var(--orange); }

/* === SINGLE POST === */
.single-post { padding-top: 1.5rem; }

.back-link {
  color: #555;
  font-size: 0.85rem;
  display: inline-block;
  margin-bottom: 1rem;
}
.back-link:hover { color: #ccc; }

.post-header h1 {
  color: var(--text-bright);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: normal;
}

.post-body {
  margin-top: 2rem;
  line-height: 1.8;
}

.post-body h2 { color: var(--text-bright); margin: 2rem 0 1rem; font-weight: normal; }
.post-body h3 { color: var(--text-bright); margin: 1.5rem 0 0.75rem; font-weight: normal; }
.post-body p { margin-bottom: 1rem; }
.post-body code {
  background: #111;
  padding: 0.15rem 0.4rem;
  font-size: 0.9rem;
  color: #ccc;
}
.post-body pre {
  background: #0a0a0a;
  border: 1px solid var(--border);
  padding: 1rem;
  overflow-x: auto;
  margin: 1rem 0;
}
.post-body pre code { background: none; padding: 0; }
.post-body blockquote {
  border-left: 3px solid #555;
  padding-left: 1rem;
  color: #888;
  margin: 1rem 0;
}
.post-body ul, .post-body ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.post-body img { max-width: 100%; border: 1px solid var(--border); }

/* === ABOUT === */
.about-content { line-height: 1.8; }
.about-content h2 { color: var(--text-bright); margin: 1.5rem 0 0.75rem; font-weight: normal; }
.about-content p { margin-bottom: 1rem; }

/* === EMPTY STATE === */
.empty-state { color: #444; font-style: italic; }

/* === FOOTER === */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: #333;
}
footer a { color: #555; }

/* === RESPONSIVE === */
@media (max-width: 600px) {
  html { font-size: 14px; }
  .tabs { gap: 0; }
  .tab { padding: 0.6rem 0.75rem; font-size: 0.75rem; }
  main { padding: 0 1rem 2rem; }
  .cve-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #222; }
::-webkit-scrollbar-thumb:hover { background: #333; }