/* Reset & Theme Variables */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-color: #0c0f12;
  --bg-frame: #13171c;
  --bg-header: #1a1f26;
  --border-color: #2b323c;
  --text-primary: #d1d8e0;
  --text-muted: #808b96;
  --text-heading: #f1f4f8;
  --accent: #4ade80; /* bright terminal green */
  --accent-muted: rgba(74, 222, 128, 0.1);
  --accent-border: rgba(74, 222, 128, 0.2);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: Georgia, Cambria, "Times New Roman", Times, serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.7;
  font-size: 16px;
  padding: 40px 20px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--accent);
  color: var(--bg-frame);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 10px 12px;
  text-decoration: none;
  z-index: 20;
}

.skip-link:focus {
  top: 12px;
}

/* Terminal Frame Wrap */
.terminal-frame {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-frame);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

/* Terminal Header */
.site-header {
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.site-brand {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-shell {
  color: var(--text-muted);
}

.brand-cmd {
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 16px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--accent);
  background-color: var(--accent-muted);
}

.nav-link.active {
  color: var(--bg-frame);
  background-color: var(--accent);
  font-weight: 600;
}

/* Main Content Area */
.site-content {
  padding: 40px 32px;
}

/* Footer styling */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-header);
  padding: 20px 32px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--text-heading);
  margin-top: 1.5em;
  margin-bottom: 0.6em;
  line-height: 1.25;
}

h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-top: 0;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

/* Paragraphs & Text */
p {
  margin-bottom: 1.25em;
}

/* Links */
a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--text-heading);
}

/* Terminal Accents */
.prompt-accent {
  display: block;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
  user-select: none;
}

/* Homepage styling */
.home-intro {
  margin-bottom: 40px;
}

.home-intro p {
  font-size: 1.15rem;
  color: var(--text-heading);
}

.home-intro ul {
  list-style-type: none;
  padding-left: 0;
  margin-top: 20px;
}

.home-intro li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 16px;
}

.home-intro li::before {
  content: "$";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: bold;
}

/* Recent notes list */
.home-notes-list, .list-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 16px;
  margin-bottom: 30px;
}

.home-note-card, .list-item {
  background-color: var(--bg-header);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 20px;
  transition: border-color 0.2s ease;
}

.home-note-card:hover, .list-item:hover {
  border-color: var(--accent-border);
}

.card-meta, .item-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-title, .item-title {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.card-title a, .item-title a {
  text-decoration: none;
  color: var(--text-heading);
}

.card-title a:hover, .item-title a:hover {
  color: var(--accent);
}

.card-description, .item-description {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.read-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  display: inline-block;
  padding: 4px 8px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.read-link:hover {
  background-color: var(--accent-muted);
  border-color: var(--accent);
  color: var(--accent);
}

.view-all-container {
  text-align: right;
  margin-top: 20px;
}

.view-all-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--accent);
}

.view-all-link:hover {
  text-decoration: underline;
}

/* Post Article Layout */
.post-article {
  font-family: var(--font-serif);
  color: var(--text-primary);
  font-size: 1.1rem;
}

.post-header {
  margin-bottom: 30px;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 20px;
}

.post-meta-top {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.post-title {
  font-family: var(--font-sans);
  font-size: 2.4rem;
  color: var(--text-heading);
  margin-top: 0;
  margin-bottom: 16px;
}

.post-lead {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.post-content h2, .post-content h3 {
  font-family: var(--font-sans);
}

.post-content p {
  margin-bottom: 1.5em;
}

.post-content code {
  font-family: var(--font-mono);
  background-color: var(--bg-header);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.9em;
  color: var(--accent);
}

.post-content ol, .post-content ul {
  margin-bottom: 1.5em;
  padding-left: 24px;
}

.post-content li {
  margin-bottom: 0.5em;
}

/* Contact Form styling */
.contact-form-container {
  margin-top: 24px;
}

.terminal-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-heading);
}

.form-group input, .form-group textarea {
  background-color: var(--bg-header);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 4px;
  width: 100%;
  outline: none;
  transition: all 0.2s ease;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-muted);
}

.submit-btn {
  background-color: var(--accent);
  color: var(--bg-frame);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: bold;
  border: 1px solid var(--accent);
  padding: 12px 24px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-btn:hover {
  background-color: var(--bg-frame);
  color: var(--accent);
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
  body {
    padding: 16px 8px;
  }
  
  .site-content {
    padding: 24px 16px;
  }
  
  .post-title {
    font-size: 1.8rem;
  }
  
  .site-header {
    padding: 12px 16px;
  }
}