:root {
  --bg-color: #0d0d0d;
  --text-color: #e8e8e8;
  --text-muted: #888888;
  --primary-color: #8B2635;
  --secondary-color: #6B1C23;
  --accent-color: #A63446;
  --header-bg: #0a0a0a;
  --card-bg: #1a1a1a;
  --code-bg: #111111;
  --code-text: #e0e0e0;
  --border-color: #333333;
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-code: "SFMono-Regular", "Menlo", "Monaco", "Consolas", "Liberation Mono", "Courier New", monospace;
  --container-width: 900px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 64px;
}

html {
  background-color: var(--bg-color) !important;
  min-height: 100% !important;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-primary);
  background-color: var(--bg-color) !important;
  color: var(--text-color);
  line-height: 1.7;
  font-size: 17px;
  min-height: 100vh !important;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.main-container {
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  min-height: calc(100vh - 65px);
  padding: 0;
  margin: 0 auto;
  max-width: var(--container-width);
}

.post-page .main-container {
  padding: 0 var(--spacing-md);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(13, 13, 13, 0.85);
  padding: 0;
  border-bottom: none;
  margin-bottom: 0;
  width: 100%;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-sm) var(--spacing-md);
}

.header-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
}

.header-left {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.logo {
  color: var(--text-color);
  font-size: 1em;
  font-weight: 500;
  font-family: var(--font-code);
  white-space: nowrap;
}

.logo-link:hover .logo {
  color: var(--primary-color);
}

/* Navigation */
nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--spacing-md);
}

nav li {
  margin: 0;
}

nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9em;
  font-family: var(--font-code);
  transition: color 0.2s;
  padding: 0;
}

nav a.active,
nav a[aria-current="page"] {
  color: var(--text-color);
  font-weight: 500;
}

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

/* Social Icons */
.social-icons {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  margin-left: auto;
}

.social-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.social-icon:hover {
  opacity: 0.7;
}

.social-icon svg {
  width: 16px;
  height: 16px;
  fill: var(--text-muted);
  transition: fill 0.2s;
}

.social-icon:hover svg {
  fill: var(--primary-color);
}

/* Hero */
.hero {
  padding: var(--spacing-xl) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0;
}

.hero-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero-content {
  position: relative;
  z-index: 1;
  flex: 1;
}

.hero-image {
  flex-shrink: 0;
}

.hero-image img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.hero-greeting {
  font-size: 0.9em;
  color: var(--text-muted);
  font-family: var(--font-code);
  margin-bottom: 4px;
  line-height: 1;
}

.hero-name {
  font-size: 2em;
  color: var(--text-color);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1;
}

.hero-name .highlight {
  color: var(--primary-color);
}

.hero-bio {
  font-size: 1.1em;
  color: var(--text-color);
  line-height: 1.6;
  max-width: 500px;
  margin: 0 0 var(--spacing-md) 0;
}

/* Corner Button */
.corner-btn {
  display: inline-block;
  position: relative;
  padding: 10px 24px;
  color: var(--primary-color);
  text-decoration: none;
  font-family: var(--font-code);
  font-size: 0.9em;
  font-weight: 500;
  border: 1px solid var(--border-color);
  transition: color 0.2s, background-color 0.2s, border-color 0.2s;
}

.corner-btn:hover {
  background-color: rgba(212, 175, 55, 0.1);
}

.corner-btn .corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--primary-color);
  border-style: solid;
  transition: border-color 0.2s;
}

.corner-btn .corner.tl { top: 0; left: 0; border-width: 2px 0 0 2px; }
.corner-btn .corner.tr { top: 0; right: 0; border-width: 2px 2px 0 0; }
.corner-btn .corner.bl { bottom: 0; left: 0; border-width: 0 0 2px 2px; }
.corner-btn .corner.br { bottom: 0; right: 0; border-width: 0 2px 2px 0; }

/* Section Header */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(255, 255, 255, 0.02);
}

.section-title {
  font-size: 0.85em;
  color: var(--text-muted);
  font-family: var(--font-code);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0;
}

.section-link {
  font-size: 0.85em;
  color: var(--text-muted);
  font-family: var(--font-code);
  text-decoration: none;
  transition: color 0.2s;
}

.section-link:hover {
  color: var(--primary-color);
}

/* Blog List & Cards */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  padding-bottom: var(--spacing-lg);
}

.blog-card {
  background-color: transparent;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.2s;
}

.blog-card:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
}

.card-content {
  display: flex;
  flex-direction: column;
}

.card-date {
  color: var(--text-muted);
  font-size: 0.85em;
  font-family: var(--font-code);
  margin-bottom: 2px;
}

.card-title {
  color: var(--text-color);
  font-size: 1.1em;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  transition: color 0.2s;
}

.blog-card:hover .card-title {
  color: var(--primary-color);
}

.card-excerpt {
  color: var(--text-muted);
  font-size: 0.95em;
  line-height: 1.5;
}

/* Back Link */
.back-link {
  padding-top: var(--spacing-md);
}

.back-link a {
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--font-code);
  font-size: 0.85em;
  transition: color 0.2s;
}

.back-link a:hover {
  color: var(--primary-color);
}

/* Page Header */
.page-header {
  padding: var(--spacing-sm) 0 var(--spacing-md) 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
}

.page-title {
  font-size: 1.5em;
  color: var(--text-color);
  font-weight: 600;
  margin: 0;
  line-height: 1.2;
}

.page-date {
  font-size: 0.85em;
  color: var(--text-muted);
  font-family: var(--font-code);
  margin-top: 4px;
}

/* Page Content */
.page-content {
  font-size: 1.05em;
  line-height: 1.8;
  letter-spacing: 0.01em;
  padding-bottom: var(--spacing-lg);
}

.page-content h2,
.page-content h3,
.page-content h4 {
  color: var(--text-color);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.page-content h2 {
  font-size: 1.4em;
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--border-color);
}

.page-content h3 {
  font-size: 1.2em;
}

.page-content p {
  margin-bottom: 1.2em;
}

.page-content a {
  color: var(--primary-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page-content a:hover {
  border-bottom-color: var(--primary-color);
}

.page-content ul,
.page-content ol {
  margin-left: var(--spacing-md);
  margin-bottom: 1.2em;
}

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

.page-content code:not(pre code) {
  background-color: var(--code-bg);
  color: var(--accent-color);
  padding: 0.2em 0.4em;
  font-family: var(--font-code);
  font-size: 0.9em;
}

.page-content pre {
  background-color: var(--code-bg);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin-bottom: 1.5em;
  border: 1px solid var(--border-color);
}

.page-content blockquote {
  border-left: 2px solid var(--primary-color);
  padding-left: var(--spacing-md);
  margin: var(--spacing-md) 0;
  color: var(--text-muted);
  font-style: italic;
}

.page-content img {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin: var(--spacing-md) auto;
  display: block;
  border: 1px solid var(--border-color);
}

/* Videos use the same blog-card styling as posts */

/* Code Highlighting */
.hljs {
  display: block;
  overflow-x: auto;
  padding: 1em;
  background: var(--code-bg);
  color: var(--code-text);
}

/* Responsive */
@media (max-width: 600px) {
  .header-inner {
    border-left: none;
    border-right: none;
    padding: var(--spacing-sm);
  }

  .header-content {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .social-icons {
    gap: var(--spacing-xs);
    margin-left: auto;
  }

  nav {
    order: 3;
    flex: 1 1 100%;
    justify-content: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-sm);
  }

  nav ul {
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
  }

  .logo {
    font-size: 0.9em;
  }

  .main-container {
    border-left: none;
    border-right: none;
    padding: 0;
  }

  .hero {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero-wrapper {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-sm);
  }

  .hero-content {
    flex: 1;
    min-width: 0;
  }

  .hero-image {
    flex-shrink: 0;
  }

  .hero-image img {
    width: 100px;
    height: 100px;
  }

  .hero-name {
    font-size: 1.6em;
  }

  .hero-bio {
    font-size: 1em;
  }

  .section-header {
    padding: var(--spacing-sm);
  }

  .blog-list {
    padding-bottom: var(--spacing-lg);
  }

  .card-link {
    padding: var(--spacing-md) !important;
  }

  .card-title {
    font-size: 1em;
  }

  .page-header {
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);
  }

  .back-link {
    padding: var(--spacing-sm);
    padding-bottom: 0;
  }

  .page-content {
    padding: 0 var(--spacing-sm);
  }

  .post-page .main-container {
    padding: 0;
  }
}

@media (max-width: 900px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }
}
/* Visual Differentiators - 2026-02-02 */

/* 1. Reading Progress Bar */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--primary-color);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s ease;
}

/* 2. Dual-tone sections - pure black hero */
.hero {
  background-color: #000000;
  margin: 0;
  padding: var(--spacing-xl) var(--spacing-md);
}



.blog-card:hover {
  box-shadow: 0 0 24px rgba(139, 38, 53, 0.4);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}


/* Body text also monospace */
body, .card-excerpt, p, .hero-bio {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 15px;
  line-height: 1.7;
}

/* Paper texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(139, 38, 53, 0.02) 2px,
    rgba(139, 38, 53, 0.02) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* Ensure content is above texture */
header, .container, .main-container {
  position: relative;
  z-index: 2;
}

/* Remove drop caps (too editorial for monospace theme) */
.post-content > p:first-of-type::first-letter {
  font-size: inherit;
  line-height: inherit;
  float: none;
  margin: 0;
  color: inherit;
  font-family: inherit;
  font-weight: inherit;
}