/* Portfolio Hub — Terminal Theme Design System */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600&display=swap');

:root {
  --bg: #1B0906;
  --bg-secondary: #2a1208;
  --primary: #FF8C00;
  --secondary: #3a401a;
  --text: #e0e0e0;
  --text-dim: #c0c0a0;
  --border: #3a401a;
  /* Homelab page aliases (do not override above) */
  --fg: var(--primary);
  --accent: #d35400;
  --surface: var(--bg-secondary);
  --muted: var(--text-dim);
  --code-bg: #0d0402;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 400;
  line-height: 1.6;
  padding: 2rem;
  max-width: 860px;
  margin: 0 auto;
  min-height: 100vh;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Header */
header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

h1 {
  color: var(--primary);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.tagline {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.tagline::after {
  content: '█';
  color: var(--primary);
  animation: blink 1s infinite;
  margin-left: 0.2em;
}

/* Typewriter hero: hide static cursor, use JS-driven cursor */
.hero-typewriter .tagline::after {
  display: none;
}

.typewriter-cursor {
  color: var(--primary);
  animation: blink 1s infinite;
  margin-left: 0.05em;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.subtext {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 300;
}

/* Sections */
section {
  margin-bottom: 3rem;
}

h2 {
  color: var(--primary);
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

/* About section */
.about {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* Projects section */
.projects {
  display: grid;
  gap: 1.5rem;
}

.project-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(255, 140, 0, 0.15);
}

.project-card h3 {
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.project-card p {
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Tag badges */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.tag {
  color: var(--secondary);
  font-size: 0.75rem;
  font-weight: 400;
  padding: 0.2em 0.5em;
  background-color: rgba(58, 64, 26, 0.2);
  border: 1px solid var(--secondary);
}

/* Project links */
.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.project-links a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: text-decoration 0.2s ease;
}

.project-links a:hover {
  text-decoration: underline;
}

/* Placeholder card */
.project-card.placeholder {
  border-style: dashed;
  border-color: var(--text-dim);
  background-color: transparent;
}

.project-card.placeholder p {
  color: var(--text-dim);
  font-style: italic;
  text-align: center;
}

.project-card.placeholder:hover {
  border-color: var(--text-dim);
  box-shadow: none;
}

/* Footer */
footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Links */
a {
  color: var(--primary);
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}

a:hover {
  text-decoration: underline;
}

/* ========== Homelab pages (merged; does not override hub styles above) ========== */

/* Navigation bar */
nav {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  margin-bottom: 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

nav a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Hero (about / lab pages) */
.hero {
  margin: 3rem 0;
  padding: 2rem 0;
}

.hero h1 {
  color: var(--primary);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.hero .subtitle {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}

/* Skills / tools cards */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.skill-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.skill-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(255, 140, 0, 0.15);
}

.skill-card h3 {
  color: var(--primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

/* Writeup cards and sections */
.writeup-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.writeup-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.writeup-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 12px rgba(255, 140, 0, 0.15);
}

.writeup-card h3 {
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.writeup-card a {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary);
  font-weight: 400;
}

/* Code and pre (writeups / lab) */
code {
  background-color: var(--code-bg);
  color: var(--primary);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9em;
}

pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-dim);
}

pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-dim);
}

pre,
pre > code {
  overflow-x: auto;
  white-space: pre;
  display: block;
  max-width: 100%;
  box-sizing: border-box;
}

/* Tables (lab-setup) */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  border: 1px solid var(--border);
  background-color: var(--bg-secondary);
}

th {
  background-color: var(--code-bg);
  color: var(--primary);
  padding: 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

tr:hover {
  background-color: rgba(255, 140, 0, 0.05);
}

/* Network diagram (lab-setup) */
.network-diagram {
  margin: 2rem 0;
  padding: 0;
}

.network-diagram pre {
  white-space: pre;
  font-size: 0.85rem;
}

/* Writeup article sections */
.writeup-section {
  margin: 2rem 0;
  padding: 1.5rem;
  border-left: 3px solid var(--border);
  background-color: rgba(58, 64, 26, 0.15);
}

.writeup-section h3 {
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.writeup-section ul {
  margin: 1rem 0;
  padding-left: 2rem;
}

.writeup-section li {
  margin: 0.5rem 0;
}

.screenshot-placeholder {
  min-height: 200px;
  border: 2px dashed var(--border);
  background-color: var(--code-bg);
  color: var(--text-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin: 1.5rem 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9rem;
}

.writeup-nav {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.writeup-nav a {
  color: var(--primary);
}

/* Timeline (about page) */
.timeline-container {
  margin: 2rem 0;
}

.timeline-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--primary);
  padding: 1.5rem;
  margin: 1.5rem 0;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-item:hover {
  border-left-color: var(--accent);
  box-shadow: 0 0 12px rgba(255, 140, 0, 0.15);
}

.timeline-item h3 {
  color: var(--primary);
  margin-top: 0;
  margin-bottom: 0.75rem;
}

.timeline-item p {
  color: var(--text);
  margin: 0;
}

/* GitHub link block (about page) */
.github-link {
  margin: 3rem 0;
}

.github-button {
  display: inline-block;
  background-color: var(--bg-secondary);
  border: 1px solid var(--primary);
  padding: 0.75rem 1.5rem;
  margin-top: 1rem;
  color: var(--primary);
  font-weight: 400;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.github-button:hover {
  background-color: rgba(255, 140, 0, 0.1);
  border-color: var(--accent);
  text-decoration: none;
}

.site-footer {
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 4rem;
  border-top: 1px solid var(--accent, #e8832a);
  color: var(--muted, #a08060);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}

.site-footer a {
  color: var(--accent, #e8832a);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
  body {
    padding: 1.5rem;
  }

  h1 {
    font-size: 1.75rem;
  }

  .tagline {
    font-size: 1rem;
  }

  .project-card {
    padding: 1.25rem;
  }

  .projects {
    gap: 1.25rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .skills-grid,
  .writeup-cards {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    padding: 1rem;
  }

  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: 0.75rem 0.5rem;
  }
}