/*
Theme Name: Runnable Patterns
Theme URI: https://runnablepatterns.com
Template: blogfeedly
Author: Runnable Patterns
Description: Child theme for Runnable Patterns - a developer blog focused on software patterns and production scenarios.
Version: 1.0.0
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --color-cyan:        #00AEEF;
  --color-cyan-dark:   #0090C8;
  --color-cyan-glow:   rgba(0, 174, 239, 0.12);
  --color-black:       #0D0D0D;
  --color-dark:        #1A1A2E;
  --color-dark-mid:    #16213E;
  --color-surface:     #F5F9FC;
  --color-white:       #FFFFFF;
  --color-text:        #1E1E2E;
  --color-text-muted:  #5A6478;
  --color-border:      #E2EBF3;
  --color-code-bg:     #0D1117;
  --color-code-text:   #E6EDF3;

  --font-display:  'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body:     'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;

  --shadow-card: 0 2px 12px rgba(0,0,0,0.07), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-hover: 0 8px 28px rgba(0, 174, 239, 0.15), 0 2px 8px rgba(0,0,0,0.08);

  --transition: 0.22s ease;
}

/* ============================================================
   GOOGLE FONTS IMPORT
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--color-cyan-dark); }

/* ============================================================
   HEADER
   ============================================================ */
#masthead,
.site-header {
  background: var(--color-dark) !important;
  border-bottom: 2px solid var(--color-cyan) !important;
  padding: 0 !important;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 32px;
}

.site-branding img,
.custom-logo {
  height: 42px !important;
  width: auto !important;
  max-width: none !important;
}

.site-title {
  font-size: 1.25rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.01em;
  margin: 0 !important;
}

.site-title a {
  color: var(--color-white) !important;
  text-decoration: none !important;
}

.site-title a:hover { color: var(--color-cyan) !important; }

.site-description {
  color: var(--color-text-muted) !important;
  font-size: 0.8rem !important;
  font-weight: 400 !important;
  margin: 0 !important;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#site-navigation,
.main-navigation {
  background: var(--color-dark) !important;
}

.main-navigation ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0 32px;
  gap: 4px;
}

.main-navigation ul li a {
  color: rgba(255,255,255,0.8) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  padding: 10px 14px !important;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  display: block;
}

.main-navigation ul li a:hover,
.main-navigation ul li.current-menu-item > a {
  color: var(--color-cyan) !important;
  background: rgba(0, 174, 239, 0.1) !important;
}

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.site-content,
#content {
  max-width: 100%;
  margin: 0 auto;
  padding: 48px 24px;
}

.content-area,
#primary {
  width: 100%;
}

/* ============================================================
   POST CARDS (Homepage Feed)
   ============================================================ */
.posts-feed,
#main article,
.post {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), transform var(--transition);
  margin-bottom: 32px;
}

#main article:hover,
.post:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.entry-header {
  padding: 28px 32px 0;
}

.entry-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  line-height: 1.3 !important;
  letter-spacing: -0.02em;
  margin: 0 0 12px !important;
}

.entry-title a {
  color: var(--color-text) !important;
  transition: color var(--transition);
}

.entry-title a:hover { color: var(--color-cyan) !important; }

.entry-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.8rem !important;
  color: var(--color-text-muted) !important;
  padding: 0 32px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.entry-meta a { color: var(--color-cyan) !important; }

.entry-summary,
.entry-content-excerpt {
  padding: 0 32px 28px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Category pill tags */
.cat-links a,
.entry-categories a,
.tag-links a {
  display: inline-block;
  background: var(--color-cyan-glow);
  color: var(--color-cyan) !important;
  border: 1px solid rgba(0,174,239,0.25);
  border-radius: 100px;
  padding: 2px 10px;
  font-size: 0.72rem !important;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.cat-links a:hover,
.entry-categories a:hover {
  background: var(--color-cyan) !important;
  color: var(--color-white) !important;
  border-color: var(--color-cyan) !important;
}

/* Read more button */
.read-more-link,
.more-link,
a.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-cyan);
  color: var(--color-white) !important;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 100px;
  margin: 0 32px 28px;
  transition: all var(--transition);
}

.read-more-link:hover,
.more-link:hover {
  background: var(--color-cyan-dark);
  transform: translateX(2px);
}

/* ============================================================
   SINGLE POST PAGE
   ============================================================ */
.single #primary,
.single .content-area {
  max-width: 780px;
  margin: 0 auto;
}

.single .entry-header {
  padding: 0 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.single .entry-title {
  font-size: 2.2rem !important;
  line-height: 1.2 !important;
  letter-spacing: -0.03em;
  margin-bottom: 16px !important;
}

.single .entry-meta {
  padding: 0;
}

/* ============================================================
   POST CONTENT TYPOGRAPHY
   ============================================================ */
.entry-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.entry-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
  color: var(--color-text);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-cyan);
  display: inline-block;
}

.entry-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 36px 0 12px;
  color: var(--color-text);
}

.entry-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--color-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.85rem;
}

.entry-content p { margin-bottom: 1.6em; }

.entry-content ul,
.entry-content ol {
  margin: 0 0 1.6em 1.5em;
  padding: 0;
}

.entry-content li { margin-bottom: 0.4em; }

.entry-content blockquote {
  border-left: 3px solid var(--color-cyan);
  background: var(--color-cyan-glow);
  margin: 32px 0;
  padding: 20px 28px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-text-muted);
}

/* ============================================================
   CODE BLOCKS
   ============================================================ */
pre,
.wp-block-code,
.wp-block-preformatted {
  background: var(--color-code-bg) !important;
  color: var(--color-code-text) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.88rem !important;
  line-height: 1.7 !important;
  padding: 24px 28px !important;
  border-radius: var(--radius-md) !important;
  overflow-x: auto;
  margin: 28px 0 !important;
  border: 1px solid rgba(255,255,255,0.06) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  position: relative;
}

pre::before {
  content: '';
  display: block;
  width: 52px;
  height: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 52 10'%3E%3Ccircle cx='5' cy='5' r='4' fill='%23ff5f57'/%3E%3Ccircle cx='21' cy='5' r='4' fill='%23febc2e'/%3E%3Ccircle cx='37' cy='5' r='4' fill='%2328c840'/%3E%3C/svg%3E") no-repeat;
  margin-bottom: 14px;
}

code {
  font-family: var(--font-mono) !important;
  font-size: 0.85em !important;
  background: var(--color-code-bg);
  color: var(--color-cyan);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,174,239,0.2);
}

pre code {
  background: transparent !important;
  color: inherit !important;
  padding: 0 !important;
  border: none !important;
  font-size: inherit !important;
}

/* ============================================================
   DIAGRAMS & IMAGES
   ============================================================ */
.entry-content figure,
.wp-block-image {
  margin: 36px 0;
  text-align: center;
}

.entry-content figure img,
.wp-block-image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  max-width: 100%;
  margin: 0 auto;
}

.entry-content figcaption,
.wp-block-image figcaption {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 10px;
  font-style: italic;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
#secondary,
.widget-area {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.widget {
  margin-bottom: 36px;
}

.widget-title {
  font-size: 0.78rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan) !important;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 12px;
  margin-bottom: 16px !important;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination,
.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin: 48px 0;
}

.page-numbers,
.nav-links a,
.nav-links span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text) !important;
  transition: all var(--transition);
}

.page-numbers:hover,
.nav-links a:hover {
  border-color: var(--color-cyan);
  color: var(--color-cyan) !important;
  background: var(--color-cyan-glow);
}

.page-numbers.current {
  background: var(--color-cyan);
  color: var(--color-white) !important;
  border-color: var(--color-cyan);
}

/* ============================================================
   FOOTER
   ============================================================ */
#colophon,
.site-footer {
  background: var(--color-dark) !important;
  border-top: 2px solid var(--color-cyan) !important;
  color: rgba(255,255,255,0.7) !important;
  padding: 48px 32px 28px !important;
  margin-top: 80px;
}

.site-footer .site-info {
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

.site-footer a {
  color: var(--color-cyan) !important;
}

.site-footer .widget-title {
  color: var(--color-white) !important;
  border-color: rgba(255,255,255,0.1);
}

.site-footer .widget a {
  color: rgba(255,255,255,0.7) !important;
}

.site-footer .widget a:hover {
  color: var(--color-cyan) !important;
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-cyan-dark));
}

.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-cyan  { color: var(--color-cyan); }
.bg-dark    { background: var(--color-dark); }
.rounded    { border-radius: var(--radius-md); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .site-content, #content { padding: 24px 16px; }
  .site-branding { padding: 12px 16px; }
  .main-navigation ul { padding: 0 16px; }

  .entry-header,
  .entry-meta,
  .entry-summary { padding-left: 32px; padding-right: 20px; }

  .read-more-link, .more-link { margin-left: 32px; }

  .single .entry-title { font-size: 1.65rem !important; }

  pre { padding: 16px !important; font-size: 0.82rem !important; }
}

@media (max-width: 480px) {
  .entry-title { font-size: 1.2rem !important; }
  .site-title { font-size: 1rem !important; }
}

.hentry {
    padding-left: 32px !important;
    padding-right: 32px !important;
}

.single-product .entry-content,
.single-product .entry-summary,
.woocommerce div.product {
    padding-left: 32px !important;
    padding-right: 32px !important;
}

.site-content .inner,
.site-content .inner.main-with-sidebar {
    max-width: 1600px !important;
}

.entry-content p,
.entry-content li {
    text-align: justify;
}

.post-navigation .nav-links a {
    display: inline !important;
    width: auto !important;
    height: auto !important;
    border: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    font-size: 0.9rem !important;
    color: var(--color-cyan) !important;
    font-weight: 500 !important;
}

.post-navigation .nav-links {
    display: flex !important;
    justify-content: space-between !important;
    align-items: flex-start !important;
    gap: 16px !important;
    margin: 32px 0 !important;
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
    max-width: 45% !important;
}

.post-navigation .nav-next {
    text-align: right !important;
    margin-left: auto !important;
}