/*
Theme Name: Sinistronics
Theme URI: d:\Development\sinistronics-theme
Author: Steve B. & Antigravity
Author URI: https://github.com/steveb
Description: A clean, crisp, medium-dark WordPress theme with a blue/cyan color scheme and a tiled post layout, designed specifically for electronics and technology blogs.
Version: 1.0.8
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: sinistronics
Tags: dark, grid-layout, two-columns, custom-menu, featured-images, translation-ready, block-styles

This theme is designed for developers, electronics hobbyists, and technology writers who love clean lines, deep dark blues, and sharp electric cyan accents.
*/

/* ==========================================================================
   1. Theme Variables & Theme Setup
   ========================================================================== */
:root {
  --bg-color: #070c14;
  --canvas-color: #0b1220;
  --card-bg: #101a2b;
  --card-bg-hover: #132037;
  
  --color-cyan: #00f0ff;
  --color-blue: #3b82f6;
  --color-purple: #a855f7;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  
  --border-color: #1b2a41;
  --border-hover: #00f0ff;
  --border-glow: rgba(0, 240, 255, 0.15);
  
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-code: 'Fira Code', monospace;
  
  --transition-normal: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   2. Resets & Global Styles
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(0, 240, 255, 0.05) 0px, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-cyan);
}

a {
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-normal);
}

a:hover {
  color: var(--color-cyan);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.5em;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-content {
  padding: 48px 0 80px;
}

/* ==========================================================================
   3. Header & Navigation
   ========================================================================== */
#masthead {
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(7, 12, 20, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 80px;
  padding: 12px 0;
}

.site-branding .site-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

.site-branding .site-title a {
  color: var(--text-primary);
}

.site-branding .site-description {
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-top: 4px;
  opacity: 0.75;
}

.site-branding .site-title a span {
  color: var(--color-cyan);
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

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

.main-navigation li a {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.main-navigation li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-cyan);
  transition: var(--transition-normal);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.8);
}

.main-navigation li a:hover {
  color: var(--text-primary);
}

.main-navigation li a:hover::after,
.main-navigation li.current-menu-item a::after,
.main-navigation li.current_page_item a::after {
  width: 100%;
}

.main-navigation li.current-menu-item a,
.main-navigation li.current_page_item a {
  color: var(--text-primary);
}

/* ==========================================================================
   4. Blog Tiled Grid & Cards
   ========================================================================== */
.tiled-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.tile-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: var(--transition-slow);
  position: relative;
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(59, 130, 246, 0.05),
    inset 0 0 15px rgba(59, 130, 246, 0.03);
}

.tile-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  opacity: 0;
  transition: var(--transition-normal);
}

.tile-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background-color: var(--card-bg-hover);
  box-shadow: 
    0 12px 30px rgba(0, 0, 0, 0.4),
    0 0 20px var(--border-glow),
    inset 0 0 20px rgba(59, 130, 246, 0.15);
}

.tile-card:hover::before {
  opacity: 1;
}

/* Card Image */
.tile-img-container {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background-color: var(--canvas-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-img-link {
  width: 100%;
  height: 100%;
  display: block;
}

.tile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.tile-card:hover .tile-img {
  transform: scale(1.05);
}

/* Category Badge */
.tile-category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(7, 12, 20, 0.8);
  border: 1px solid var(--border-color);
  color: var(--color-cyan);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  z-index: 2;
  transition: var(--transition-normal);
}

.tile-category-badge a {
  color: inherit;
}

.tile-card:hover .tile-category-badge {
  border-color: var(--color-cyan);
  background-color: rgba(0, 240, 255, 0.1);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

/* Default fallback tile styling */
.tile-img-fallback {
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(rgba(11, 18, 32, 0.9), rgba(11, 18, 32, 0.9)),
    radial-gradient(circle at 50% 50%, var(--border-color) 10%, transparent 11%),
    radial-gradient(circle at 0% 0%, var(--border-color) 5%, transparent 6%);
  background-size: 20px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tile-img-fallback svg {
  width: 48px;
  height: 48px;
  stroke: rgba(0, 240, 255, 0.3);
  transition: var(--transition-normal);
}

.tile-card:hover .tile-img-fallback svg {
  stroke: var(--color-cyan);
  filter: drop-shadow(0 0 8px var(--color-cyan));
}

/* Card Body */
.tile-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.tile-meta {
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.tile-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
  transition: var(--transition-normal);
}

.tile-title a {
  color: var(--text-primary);
}

.tile-card:hover .tile-title a {
  color: var(--color-cyan);
}

.tile-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.tile-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tile-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.tile-author-avatar img {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
}

.read-more-link {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.read-more-link svg {
  width: 14px;
  height: 14px;
  stroke: var(--color-cyan);
  stroke-width: 2px;
  transition: var(--transition-normal);
}

.tile-card:hover .read-more-link svg {
  transform: translateX(4px);
}

/* ==========================================================================
   5. Single Post & Page Templates
   ========================================================================== */
.post-layout-container {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.post-layout-container.no-sidebar {
  grid-template-columns: 1fr;
  max-width: 800px;
  margin: 0 auto;
}

.single-post-wrapper {
  background: var(--canvas-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.post-header {
  margin-bottom: 32px;
}

.post-header .entry-title {
  font-size: 36px;
  margin-bottom: 16px;
  font-weight: 700;
}

.post-header .entry-meta {
  display: flex;
  gap: 20px;
  color: var(--text-muted);
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 16px;
  font-family: var(--font-heading);
}

.single-featured-image {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 32px;
}

.single-featured-image img {
  width: 100%;
  display: block;
}

/* Entry Content (Post content styling) */
.entry-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
}

.entry-content p {
  margin-bottom: 24px;
}

.entry-content h2, .entry-content h3, .entry-content h4 {
  margin-top: 40px;
  margin-bottom: 20px;
}

.entry-content h2 { font-size: 26px; }
.entry-content h3 { font-size: 20px; }

.entry-content ul, .entry-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.entry-content li {
  margin-bottom: 8px;
}

.entry-content blockquote {
  border-left: 4px solid var(--color-cyan);
  background-color: var(--card-bg);
  padding: 20px;
  margin: 32px 0;
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

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

/* Code Snippets & Technical Typography */
.entry-content pre {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--color-cyan);
  padding: 20px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 32px 0;
  font-family: var(--font-code);
  font-size: 14px;
}

.entry-content code {
  font-family: var(--font-code);
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-cyan);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.entry-content pre code {
  background-color: transparent;
  color: var(--text-primary);
  padding: 0;
  font-size: inherit;
}

.post-tags {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.post-tags a {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--font-heading);
}

.post-tags a:hover {
  border-color: var(--color-cyan);
  color: var(--text-primary);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

/* ==========================================================================
   6. Sidebar & Widget Styling
   ========================================================================== */
.widget-area {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.widget {
  background-color: var(--canvas-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
}

.widget .widget-title {
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  border-left: 2px solid var(--color-cyan);
  padding-left: 10px;
}

.widget ul {
  list-style: none;
}

.widget ul li {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border-color);
}

.widget ul li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.widget ul li a {
  color: var(--text-secondary);
}

.widget ul li a:hover {
  color: var(--color-cyan);
  padding-left: 4px;
}

/* ==========================================================================
   7. Comments Area
   ========================================================================== */
.comments-area {
  margin-top: 56px;
  border-top: 1px solid var(--border-color);
  padding-top: 40px;
}

.comments-title, .comment-reply-title {
  font-size: 22px;
  margin-bottom: 24px;
}

.comment-list {
  list-style: none;
  margin-bottom: 40px;
}

.comment-list li.comment {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.comment-body {
  display: flex;
  gap: 16px;
}

.comment-meta {
  flex-shrink: 0;
}

.comment-author img {
  border-radius: 50%;
  border: 1px solid var(--border-color);
}

.comment-content {
  flex-grow: 1;
}

.comment-content p {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.comment-metadata {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.comment-metadata a {
  color: inherit;
}

.reply a {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-cyan);
}

/* Form controls for Comments and Search */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
textarea {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  width: 100%;
  outline: none;
  transition: var(--transition-normal);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comment-form-comment textarea {
  min-height: 150px;
}

.comment-form-author, .comment-form-email {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Search Form Widget layout */
.search-form {
  display: flex;
  gap: 8px;
  width: 100%;
  align-items: stretch;
}

.search-form label {
  flex-grow: 1;
  margin-bottom: 0;
}

.search-form .search-field {
  width: 100%;
}

.submit, input[type="submit"], button[type="submit"], .search-submit {
  background-color: var(--color-blue);
  border: 1px solid var(--color-blue);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 28px;
  border-radius: 4px;
  cursor: pointer;
  align-self: flex-start;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.submit:hover, input[type="submit"]:hover, button[type="submit"]:hover, .search-submit:hover {
  background-color: var(--color-cyan);
  border-color: var(--color-cyan);
  color: var(--bg-color);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
}

/* ==========================================================================
   8. Pagination
   ========================================================================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination .page-numbers {
  font-family: var(--font-heading);
  font-weight: 500;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  transition: var(--transition-normal);
  color: var(--text-secondary);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  border-color: var(--color-cyan);
  color: var(--text-primary);
  background-color: rgba(0, 240, 255, 0.05);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-color);
  padding: 64px 0 32px;
  margin-top: 80px;
}

.site-footer .footer-widgets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.footer-socials a:hover {
  color: var(--color-cyan);
  filter: drop-shadow(0 0 4px var(--color-cyan));
}

/* ==========================================================================
   10. Gutenberg Blocks & Alignment
   ========================================================================== */
.aligncenter {
  display: block;
  margin: 24px auto;
  text-align: center;
}

.alignleft {
  float: left;
  margin: 0 24px 24px 0;
}

.alignright {
  float: right;
  margin: 0 0 24px 24px;
}

.alignwide {
  width: 100vw;
  max-width: 1000px;
  margin-left: calc(50% - 500px);
}

.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
}

@media (max-width: 1000px) {
  .alignwide, .alignfull {
    width: 100%;
    margin-left: 0;
    max-width: 100%;
  }
}

/* ==========================================================================
   11. Responsive Styles
   ========================================================================== */
@media (max-width: 768px) {
  .header-container {
    height: auto;
    flex-direction: column;
    padding: 20px 0;
    gap: 16px;
  }
  .main-navigation ul {
    gap: 16px;
  }
  .main-navigation li a {
    font-size: 13px;
  }
  .tiled-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .post-layout-container {
    grid-template-columns: 1fr;
  }
  .single-post-wrapper {
    padding: 24px;
  }
  .post-header .entry-title {
    font-size: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}