/* Maple Mono Font Family */
@font-face {
  font-family: 'Maple Mono';
  src: url('/fonts/MapleMono-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Maple Mono';
  src: url('/fonts/MapleMono-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Maple Mono';
  src: url('/fonts/MapleMono-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* CSS Custom Properties for Theming */
:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --text-muted: #666666;
  --link: #0066cc;
  --link-hover: #004499;
  --border: #cccccc;
  --code-bg: #f5f5f5;
  --nav-hover: #e0e0e0;
  --button-bg: #f0f0f0;
  --button-border: #cccccc;
}

[data-theme="dark"] {
  --bg: #1a1a1a;
  --text: #ffffff;
  --text-muted: #999999;
  --link: #66b3ff;
  --link-hover: #99ccff;
  --border: #444444;
  --code-bg: #2a2a2a;
  --nav-hover: #333333;
  --button-bg: #333333;
  --button-border: #555555;
}

/* Blinking Cursor Animation */
@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Maple Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
  font-weight: 300;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  padding: 40px 20px;
  max-width: 1000px;
  margin: 0 auto;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Site Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.site-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

/* Theme Toggle */
.theme-toggle {
  background: var(--button-bg);
  border: 1px solid var(--button-border);
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  background: var(--nav-hover);
}

/* Show/hide sun/moon based on theme */
.sun-icon { display: inline; }
.moon-icon { display: none; }

[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: inline; }

/* Navigation */
nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.nav-link {
  color: var(--text);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 3px;
  transition: background-color 0.2s ease;
  font-weight: 400;
}

.nav-link:hover {
  background-color: var(--nav-hover);
  color: var(--text);
  text-decoration: none;
}

/* Prompt and Cursor for active nav */
.prompt {
  display: none;
  color: var(--text);
}

.cursor {
  display: none;
  width: 4px;
  height: 1.1em;
  background-color: var(--link);
  margin-left: 2px;
  vertical-align: text-bottom;
}

.nav-link.active .prompt {
  display: inline;
}

.nav-link.active .cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
}

/* Terminal Box - wraps tightly around content */
.terminal-box {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin: 1.5em 0 0.5em;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.1rem; }

p {
  margin: 1em 0;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Main Content */
main {
  flex: 1;
}

article h1:first-child {
  margin-top: 0;
}

.content {
  margin-top: 1rem;
}

/* Code Blocks */
code {
  font-family: 'Maple Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
  background: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

pre code {
  background: none;
  padding: 0;
}

/* Blog Post Styles */
.post-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.post-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.post-meta time {
  margin-right: 1rem;
}

.categories {
  margin-top: 0.5rem;
}

.category {
  display: inline-block;
  background: var(--code-bg);
  padding: 0.2em 0.6em;
  border-radius: 3px;
  font-size: 0.85rem;
  margin-right: 0.5rem;
}

/* Blog List */
.post-list {
  list-style: none;
  padding: 0;
}

.post-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}

.post-item:last-child {
  border-bottom: none;
}

.post-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.post-item a:hover {
  text-decoration: none;
}

.post-item a:hover .post-title {
  text-decoration: underline;
}

.post-item time {
  color: var(--text-muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Citation Block */
.citation {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.citation h3 {
  margin-top: 0;
  font-size: 1rem;
}

/* Post Footer */
.post-footer {
  margin-top: 2rem;
}

/* Footer - compact, flows directly under content box */
footer {
  display: flex;
  justify-content: flex-end;
  gap: 1.5rem;
  margin-top: 1rem;
  padding: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--text);
}

footer a:hover {
  color: var(--link);
}

/* Blockquotes - Terminal style with > prefix */
blockquote {
  border-left: none;
  margin: 1.5em 0;
  padding: 0;
  color: var(--text);
}

blockquote p::before {
  content: "> ";
  color: var(--text-muted);
}

/* Lists */
ul, ol {
  padding-left: 1.5em;
}

li {
  margin: 0.5em 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
}

th, td {
  text-align: left;
  padding: 0.5em;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 700;
}

/* Responsive */
@media (max-width: 600px) {
  body {
    padding: 20px 15px;
  }

  .site-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .site-title {
    font-size: 1.4rem;
  }

  nav {
    gap: 1rem;
  }

  .terminal-box {
    padding: 1rem;
  }

  h1 { font-size: 1.4rem; }
  h2 { font-size: 1.2rem; }

  .post-item a {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}