/* CSS Custom Properties (Variables) */
:root {
  /* Colors */
  --color-accent: #308a3d;
  --color-text: #272727;
  --color-text-muted: #888888;
  --color-background: #FFFFDD;
  --color-code-bg: #d8e7ff;
  --color-code-text: #002b72;
  --color-border: #cccccc;
  --color-blockquote: #888888;
  
  /* Layout */
  --max-width: 1140px;
  --med-width: 600px;
  --small-width: 480px;
  
  /* Typography */
  --font-family: "-apple-system-ui-serif", "Times New Roman", Times, serif;
  --line-height: 1.5;
  
  /* Font Sizes */
  --font-size-xs: 12px;
  --font-size-sm: 15px;
  --font-size-base: 16px;
  --font-size-lg: 1.2rem;
  --font-size-xl: 1.4rem;
  --font-size-2xl: 1.6rem;
  --font-size-3xl: 1.8rem;
  
  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 50px;
  
  /* Transitions */
  --transition-smooth: 0.3s ease all;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--color-background);
  min-height: 100vh;
  line-height: var(--line-height);
}

/* Links */
a {
  text-decoration: none;
  color: var(--color-accent);
}

a:hover {
  text-decoration: underline;
}

/* Horizontal Rules */
hr {
  margin: var(--spacing-xs);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  border-left: none;
  border-right: none;
}

/* Code */
code {
  background-color: var(--color-code-bg);
  color: var(--color-code-text);
  padding: 2px 4px;
  border-radius: 3px;
}

/* Layout Utilities - Modern Flexbox */
.flex {
  display: flex;
}

.flex-row {
  display: flex;
  flex-direction: row;
}

.flex-col {
  display: flex;
  flex-direction: column;
}
.w-100 {
  width: 100%;
}

.justify-between {
  justify-content: space-between;
}

.items-center {
  align-items: center;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  transition: var(--transition-smooth);
}

/* Navigation */
.navbar {
  padding: var(--spacing-md) 0 var(--spacing-md) 0;
  border-bottom:1px solid rgba(0, 0, 0, 0.1);
  margin-bottom: var(--spacing-lg);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.navbar-nav {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: var(--spacing-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-link {
  text-decoration: none;
  color: var(--color-accent);
  padding: var(--spacing-xs) 0;
}

.nav-link.current {
  font-weight: bold;
  color: var(--color-text);
}

.nav-separator {
  color: var(--color-text);
}

.site-title {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-style: italic;
  
  /* OpenType features for stylistic flourishes */
  font-feature-settings: 
    "swsh" 1,     /* Swashes */
    "calt" 1,     /* Contextual alternates */
    "ss01" 1,     /* Stylistic set 1 */
    "ss02" 1,     /* Stylistic set 2 */
    "ss03" 1,     /* Stylistic set 3 */
    "liga" 1,     /* Ligatures */
    "dlig" 1;     /* Discretionary ligatures */
    
  /* CSS font-variant properties (newer syntax) */
  font-variant-ligatures: common-ligatures discretionary-ligatures;
  font-variant-alternates: stylistic(salt) swash(swsh);
}

/* Post Cards */
.post-card {
  margin-bottom: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.title {
  max-width: 500px;
  margin-top: 0;
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-weight: 500;
  font-style: italic;
  flex: 1;
}

.post-card .details {
  text-align: right;
  font-size: var(--font-size-sm);
  flex-shrink: 0;
  flex-basis: 20%;
  min-width: 150px;
}

.post-card .subtitle {
  max-width: 500px;
  color: var(--color-text-muted);
  flex-basis: 100%;
}

.no-post {
  text-align: center;
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* Page Headers */
.page-title {
  text-align: left;
  font-weight: 500;
}

.page-subtitle {
    text-align: left;
  margin-bottom: 1em;
  font-size: var(--font-size-base);
}

/* Footer */
.footer {
  text-align: left;
  padding: var(--spacing-md) 0;
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-link {
  text-decoration: none;
  color: var(--color-accent);
  font-size: var(--font-size-sm);
}

.footer-link:hover {
  text-decoration: underline;
}

/* Content Typography */
.content {
  line-height: var(--line-height);
}

.content h1,
.content h2,
.content h3,
.content h4 {
  margin-block-start: 2em;
  margin-block-end: 0;
}

.content h1:after,
.content h2:after,
.content h3:after,
.content h4:after {
  content: '';
  display: block;
  width: 50%;
  border-top: 0.5px solid rgba(0, 0, 0, 0.1);
  border-bottom: 0.5px solid rgba(50, 50, 50, 0.3);
  margin-top: 0.5em;
}

.monospace {
  font-family: ui-monospace, SFMono-Regular, ui-monospace, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
}

.content p:first-of-type {
  margin-top: 0;
}
.post-content p {
  max-width: 600px;
}
/* Lists */
.content ol {
  counter-reset: list;
  padding: 0 var(--spacing-lg) 0 var(--spacing-lg);
}

.content ol > li {
  list-style-position: none;
  position: relative;
  list-style: none;
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.content ol > li:before {
  content: "[" counter(list, decimal) "] ";
  counter-increment: list;
  position: absolute;
  left: -30px;
}

.content ul {
  padding: 0 var(--spacing-md) 0 var(--spacing-md);
}

.content ul > li {
  margin: var(--spacing-xs) 0;
}

/* Blockquotes */
.content blockquote {
  border-left: 5px solid var(--color-blockquote);
  margin: var(--spacing-xs) 0;
  padding: 0 8px;
  font-style: italic;
}

/* Images */
.content img {
  text-align: center;
  width: 100%;
  max-width: 400px;
  height: auto;
}

.content .post-thumbnail {
  max-width: 70px;
  filter: grayscale(100%);
}

.post-content .post-thumbnail {
    height: auto;
    margin-bottom: var(--spacing-md);
}

img[src*='#left'] {
    float: left;
    margin-right: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}
img[src*='#right'] {
    float: right;
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}
img[src*='#center'] {
    display: block;
    margin: var(--spacing-md) auto;
}

.content .profile-picture {
  width: 15%;
  margin: var(--spacing-xs);
  float: right;
}

/* Color Utilities */
.color-red {
  color: #FF0F00;
}

.color-orange {
  color: #eb9800;
}

.color-green {
  color: #00eb1d;
}

.color-blue {
  color: #0062ff;
}

.highlight-red {
  background-color: #ffaaaa;
}

.highlight-orange {
  background-color: #ffd486;
}

.highlight-green {
  background-color: #aaffad;
}

.highlight-blue {
  background-color: var(--color-code-bg);
}

/* Tables */
table {
  margin: 15px 0;
  border-collapse: collapse;
  width: 100%;
  padding: 0;
}

table tr {
  border-top: 1px solid var(--color-border);
  background-color: white;
  margin: 0;
  padding: 0;
}

table tr:nth-child(2n) {
  background-color: #f8f8f8;
}

table tr th {
  font-weight: bold;
  border: 1px solid var(--color-border);
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr td {
  border: 1px solid var(--color-border);
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr th:first-child,
table tr td:first-child {
  margin: 0;
}

table tr th:last-child,
table tr td:last-child {
  margin: 0;
}

@media (max-width: 500px) {
  .nav-item {
    flex-direction: row;
    justify-content: center;
  }
  
  .post-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
  }
  
  .post-card .details {
    text-align: left;
  }
}

/* Focus and Accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .navbar,
  .footer {
    display: none;
  }
  
  body {
    background-color: white;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}