/*--------------------------------------------------------------
 Scribbish 2026 - A modern take on the classic scribbish theme
 Maintains the warm burgundy palette with contemporary styling
 --------------------------------------------------------------*/

/* CSS Custom Properties */
:root {
  /* Colors - keeping the classic scribbish warmth */
  --color-primary: #930;
  --color-primary-dark: #7a2900;
  --color-primary-light: #b84d1a;
  --color-text: #333;
  --color-text-muted: #666;
  --color-text-light: #999;
  --color-background: #fdfcf8;
  --color-background-alt: #f8f7f6;
  --color-background-code: #1a1a1a;
  --color-border: #e5e5e5;
  --color-border-light: #eee;
  --color-accent: #ffc;
  --color-code-text: #63FF00;

  /* Typography - IEEE style */
  --font-sans: "Times New Roman", Times, Georgia, serif;
  --font-serif: "Times New Roman", Times, Georgia, serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono", "Source Code Pro", monospace;

  /* Font sizes - fluid typography */
  --font-size-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: clamp(1.75rem, 1.5rem + 1vw, 2.25rem);
  --font-size-3xl: clamp(2rem, 1.75rem + 1.25vw, 2.75rem);

  /* Spacing - compact */
  --space-xs: 0.125rem;
  --space-sm: 0.25rem;
  --space-md: 0.5rem;
  --space-lg: 0.75rem;
  --space-xl: 1rem;
  --space-2xl: 1.5rem;
  --space-3xl: 2rem;

  /* Layout */
  --max-width: 72rem;
  --content-width: 65ch;
  --sidebar-width: 280px;
  --border-radius: 4px;
  --border-radius-lg: 8px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.35;
  color: var(--color-text);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-text);
  text-decoration: underline;
  transition: color var(--transition-fast);
}

a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

abbr {
  border: none;
  text-decoration: none;
}

cite {
  font-style: normal;
}

/*--------------------------------------------------------------
 Layout
 --------------------------------------------------------------*/
#container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
}

@media (min-width: 768px) {
  #container {
    padding: var(--space-lg) var(--space-xl);
  }
}

#page {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 900px) {
  #page {
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 2.5rem;
  }
}

/*--------------------------------------------------------------
 Header
 --------------------------------------------------------------*/
#header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  #header {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-lg);
  }
}

.header-left {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-md);
}

.header-nav {
  font-size: var(--font-size-sm);
}

.header-nav a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.header-nav a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

#header h1 {
  font-family: var(--font-serif);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  font-variant: small-caps;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin: 0 0 var(--space-xs) 0;
}

@media (min-width: 768px) {
  #header h1 {
    margin: 0;
  }
}

#header h1 a {
  color: var(--color-text);
  text-decoration: none !important;
}

#header h1 a:hover {
  color: var(--color-primary);
  text-decoration: none !important;
}

#header h2 {
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  font-style: italic;
  font-weight: 400;
  color: var(--color-text-muted);
  margin: 0;
}

/*--------------------------------------------------------------
 Content Area
 --------------------------------------------------------------*/
#content {
  min-width: 0;
  text-align: justify;
  hyphens: auto;
}

/* Typography in content - IEEE style */
#content h1,
#content h2,
#content h3,
#content h4,
#content h5 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--color-text);
  text-align: left;
}

#content h1 {
  font-size: var(--font-size-2xl);
  font-variant: small-caps;
  text-transform: lowercase;
  margin: 0 0 var(--space-md) 0;
}

#content h2 {
  font-size: var(--font-size-xl);
  font-variant: small-caps;
  text-transform: lowercase;
  margin: var(--space-lg) 0 var(--space-sm) 0;
}

#content h3 {
  font-size: var(--font-size-lg);
  font-style: italic;
  font-weight: 400;
  margin: var(--space-md) 0 var(--space-sm) 0;
}

#content h4 {
  font-size: var(--font-size-base);
  font-style: italic;
  font-weight: 400;
  margin: var(--space-md) 0 var(--space-xs) 0;
  padding-bottom: 0;
  border-bottom: none;
}

#content h5 {
  font-size: var(--font-size-base);
  font-weight: 400;
  margin: var(--space-sm) 0 var(--space-xs) 0;
}

#content p {
  margin: 0 0 var(--space-md) 0;
}

#content ul,
#content ol {
  margin: 0 0 var(--space-md) 0;
  padding: 0 0 0 1.5rem;
}

#content li {
  margin-bottom: var(--space-sm);
  padding-left: 0.5rem;
}

#content blockquote {
  color: var(--color-text);
  border-left: none;
  margin: var(--space-md) var(--space-lg);
  padding: 0;
  font-style: italic;
  font-size: var(--font-size-sm);
}

#content blockquote p:last-child {
  margin-bottom: 0;
}

#content .content a {
  color: var(--color-primary);
  text-decoration: underline;
}

#content .content a:hover {
  color: var(--color-primary-dark);
}

/* Code */
#content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-background-alt);
  padding: 0.15em 0.4em;
  border-radius: var(--border-radius);
}

#content pre {
  background: var(--color-background-alt);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  margin: var(--space-md) 0;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 0;
  overflow-x: auto;
}

#content pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

/*--------------------------------------------------------------
 Article Entries
 --------------------------------------------------------------*/
.atomentry,
.article {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  position: relative;
}

.atomentry::after,
.article::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, #ccc, transparent);
}

.atomentry:last-child::after,
.article:last-child::after {
  display: none;
}

.atomentry .title,
.article .title {
  font-family: var(--font-serif);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0 0 var(--space-sm) 0;
  text-align: center;
}

.atomentry .title a,
.article .title a {
  color: var(--color-text);
  text-decoration: none !important;
  transition: color var(--transition-fast);
}

.atomentry .title a:hover,
.article .title a:hover {
  color: var(--color-primary);
  text-decoration: none !important;
}

.atomentry .title .comment_count,
.article .title .comment_count {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: 400;
  margin-left: var(--space-sm);
}

.atomentry .author,
.article .author {
  color: var(--color-text-muted);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: var(--space-md);
  text-align: center;
}

.atomentry .author cite,
.article .author cite {
  font-weight: 500;
}

.atomentry .author abbr,
.article .author abbr {
  color: var(--color-text-light);
}

.atomentry .author a,
.article .author a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.atomentry .author a:hover,
.article .author a:hover {
  color: var(--color-primary);
}

.atomentry .content,
.article .content {
  margin-bottom: var(--space-md);
}

/* Article footer */
.atomentry > footer,
.article > footer {
  text-align: center;
}

/* Meta info box */
.atomentry ul.meta,
.article ul.meta {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  list-style: none;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  background: var(--color-background-alt);
  margin: var(--space-md) 0 0 0;
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius);
}

.atomentry ul.meta li,
.article ul.meta li {
  margin: 0;
  padding: 0.25rem 0.5rem;
}

.atomentry .meta a,
.article .meta a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.atomentry .meta a:hover,
.article .meta a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

/*--------------------------------------------------------------
 Comments & Trackbacks
 --------------------------------------------------------------*/
#content ol.comments,
#content ol.trackbacks,
#content ul#commentList {
  list-style: none;
  margin: 0;
  padding: 0;
}

#content .comment,
#content .trackback {
  background: var(--color-background-alt);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  padding: var(--space-md);
}

#content .comment.preview {
  background: var(--color-accent);
  border: 2px solid var(--color-primary);
}

#content .comment .author,
#content .trackback .author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

#content .comment .author cite,
#content .trackback .author cite {
  font-weight: 600;
  font-size: var(--font-size-base);
}

#content .comment .author abbr,
#content .trackback .author abbr {
  color: var(--color-text-light);
}

#content .comment .author .gravatar,
#content .comment .author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

#content .comment .author .gravatar img,
#content .comment .author .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#content .comment .content,
#content .trackback .content {
  margin: 0;
}

#content .comment .content p:last-child,
#content .trackback .content p:last-child {
  margin-bottom: 0;
}

#content .spamwarning {
  background: #fef3cd;
  color: #856404;
  font-size: var(--font-size-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  margin-top: var(--space-md);
}

/*--------------------------------------------------------------
 Comment Form
 --------------------------------------------------------------*/
#content form.comments {
  background: var(--color-background-alt);
  padding: var(--space-lg);
  border-radius: var(--border-radius-lg);
  margin-top: var(--space-xl);
}

#content form.comments fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

#content form.comments legend {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  padding: 0;
}

#content form.comments label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-sm);
}

#content form.comments input[type="text"],
#content form.comments input[type="email"],
#content form.comments input[type="url"],
#content form.comments textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-background);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#content form.comments input[type="text"]:focus,
#content form.comments input[type="email"]:focus,
#content form.comments input[type="url"]:focus,
#content form.comments textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(153, 51, 0, 0.1);
}

#content form.comments textarea {
  min-height: 120px;
  resize: vertical;
}

#content form.comments p {
  margin-bottom: var(--space-md);
}

#content form.comments small {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

#content form.comments small a {
  color: var(--color-text-muted);
}

#content form.comments input[type="submit"] {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: #fff;
  background: var(--color-primary);
  border: none;
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

#content form.comments input[type="submit"]:hover {
  background: var(--color-primary-dark);
}

#content form.comments input[type="submit"]:active {
  transform: translateY(1px);
}

#content form.comments input[type="submit"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/*--------------------------------------------------------------
 Sidebar
 --------------------------------------------------------------*/
#sidebar {
  font-size: var(--font-size-base);
}

@media (max-width: 899px) {
  #sidebar {
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-lg);
  }
}

#sidebar h3 {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  font-weight: 700;
  font-variant: small-caps;
  text-transform: lowercase;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin: 0 0 var(--space-sm) 0;
}

#sidebar h3 a {
  color: var(--color-text-muted);
  text-decoration: none;
}

#sidebar h3 a:hover {
  color: var(--color-primary);
}

#sidebar ul {
  list-style: none;
  margin: 0 0 var(--space-lg) 0;
  padding: 0;
}

#sidebar li {
  margin: 0;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border-light);
}

#sidebar li:last-child {
  border-bottom: none;
}

#sidebar li a {
  color: var(--color-text);
  text-decoration: none;
}

#sidebar li a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

#sidebar em {
  font-style: normal;
}

/* Search */
#sidebar .search p {
  margin: 0;
}

#sidebar .search input[type="text"],
#sidebar .search input[type="search"] {
  width: 100%;
  font-size: var(--font-size-sm);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-background);
}

#sidebar .search input:focus {
  outline: none;
  border-color: var(--color-primary);
}

#sidebar .search .loading {
  color: var(--color-text-muted);
  padding: var(--space-md) 0;
}

#sidebar .search .results {
  margin-top: var(--space-md);
}

#sidebar .search .results ul {
  margin: 0;
}

#sidebar .search .results li {
  background: var(--color-accent);
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  border: none;
  margin-bottom: var(--space-xs);
}

/*--------------------------------------------------------------
 Footer
 --------------------------------------------------------------*/
#footer {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  #footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

#footer hr {
  display: none;
}

#footer p {
  margin: 0 0 var(--space-sm) 0;
}

@media (min-width: 768px) {
  #footer p {
    margin: 0;
  }
}

#footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-md);
}

#footer li {
  margin: 0;
  padding: 0;
}

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

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

/*--------------------------------------------------------------
 Pagination
 --------------------------------------------------------------*/
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-xl) 0;
  font-size: var(--font-size-sm);
}

.pagination a,
.pagination span {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
}

.pagination a {
  color: var(--color-text);
  background: var(--color-background-alt);
  text-decoration: none;
}

.pagination a:hover {
  background: var(--color-primary);
  color: #fff;
}

.pagination .current {
  background: var(--color-primary);
  color: #fff;
}

.pagination .disabled {
  color: var(--color-text-light);
}

/*--------------------------------------------------------------
 Utility Classes
 --------------------------------------------------------------*/
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/*--------------------------------------------------------------
 Print Styles
 --------------------------------------------------------------*/
@media print {
  #sidebar {
    display: none;
  }

  #content {
    max-width: 100%;
  }

  #content pre {
    background: #eee;
    color: #000;
  }

  #content form.comments {
    display: none;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
  }
}