/*
Theme Name: Logicalsoftwares
Theme URI: https://logicalsoftwares.com
Author: Logicalsoftwares
Author URI: https://logicalsoftwares.com
Description: A clean, modern, tech-style WordPress theme for software-related blogs. Features dark mode, sticky header, breadcrumbs, 3D card effects, and responsive design.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: logicalsoftwares
Tags: blog, two-columns, responsive-layout, custom-menu, featured-images, threaded-comments
*/

/* ===== CSS Variables ===== */
:root {
  --ls-white: #ffffff;
  --ls-light-bg: #f0f6ff;
  --ls-light-blue: #e0edff;
  --ls-blue: #3b82f6;
  --ls-blue-dark: #2563eb;
  --ls-dark: #1e293b;
  --ls-dark-accent: #0f172a;
  --ls-text: #334155;
  --ls-text-light: #64748b;
  --ls-border: #e2e8f0;
  --ls-shadow: 0 4px 20px rgba(59, 130, 246, 0.08);
  --ls-shadow-hover: 0 8px 30px rgba(59, 130, 246, 0.15);
  --ls-radius: 12px;
  --ls-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode */
body.dark-mode {
  --ls-white: #0f172a;
  --ls-light-bg: #1e293b;
  --ls-light-blue: #1e3a5f;
  --ls-dark: #e2e8f0;
  --ls-dark-accent: #f8fafc;
  --ls-text: #cbd5e1;
  --ls-text-light: #94a3b8;
  --ls-border: #334155;
  --ls-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --ls-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--ls-light-bg);
  color: var(--ls-text);
  line-height: 1.7;
  transition: background var(--ls-transition), color var(--ls-transition);
}

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

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

h1, h2, h3, h4, h5, h6 {
  color: var(--ls-dark);
  font-weight: 700;
  line-height: 1.3;
  transition: color var(--ls-transition);
}

/* ===== Container ===== */
.ls-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.ls-header {
  background: var(--ls-white);
  border-bottom: 1px solid var(--ls-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: background var(--ls-transition), box-shadow var(--ls-transition);
}
.ls-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}
.ls-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.ls-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--ls-dark);
  letter-spacing: -0.5px;
}
.ls-logo span { color: var(--ls-blue); }

/* Navigation */
.ls-nav ul {
  list-style: none;
  display: flex;
  gap: 8px;
  align-items: center;
}
.ls-nav a {
  color: var(--ls-text);
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--ls-transition);
}
.ls-nav a:hover,
.ls-nav .current-menu-item > a {
  color: var(--ls-blue);
  background: var(--ls-light-blue);
}

/* Dropdown */
.ls-nav li { position: relative; }
.ls-nav .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--ls-white);
  border: 1px solid var(--ls-border);
  border-radius: var(--ls-radius);
  box-shadow: var(--ls-shadow-hover);
  min-width: 200px;
  padding: 8px;
  z-index: 100;
}
.ls-nav li:hover > .sub-menu { display: block; }
.ls-nav .sub-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
}

/* Header actions */
.ls-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Dark mode toggle */
.ls-dark-toggle {
  background: var(--ls-light-blue);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ls-transition);
}
.ls-dark-toggle:hover {
  background: var(--ls-blue);
  color: white;
}

/* Mobile menu toggle */
.ls-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--ls-dark);
  padding: 8px;
}

/* ===== Hero ===== */
.ls-hero {
  background: linear-gradient(135deg, var(--ls-blue) 0%, var(--ls-blue-dark) 100%);
  color: white;
  text-align: center;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
}
.ls-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}
.ls-hero h1 {
  font-size: 3rem;
  color: white;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.ls-hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Breadcrumbs ===== */
.ls-breadcrumbs {
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--ls-text-light);
}
.ls-breadcrumbs a { color: var(--ls-blue); }
.ls-breadcrumbs span { margin: 0 8px; }

/* ===== Content Layout ===== */
.ls-content-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  padding: 40px 0;
}

/* ===== Cards / Posts Grid ===== */
.ls-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.ls-card {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  overflow: hidden;
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow);
  transition: all var(--ls-transition);
  transform: translateY(0);
}
.ls-card:hover {
  box-shadow: var(--ls-shadow-hover);
  transform: translateY(-4px);
}
.ls-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.ls-card-body { padding: 24px; }
.ls-card-meta {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--ls-text-light);
  margin-bottom: 12px;
}
.ls-card-meta svg {
  width: 14px;
  height: 14px;
  vertical-align: -2px;
  margin-right: 4px;
}
.ls-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.ls-card h3 a { color: var(--ls-dark); }
.ls-card h3 a:hover { color: var(--ls-blue); }
.ls-card p {
  color: var(--ls-text-light);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

/* Read more button */
.ls-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ls-blue);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: 8px;
  background: var(--ls-light-blue);
  transition: all var(--ls-transition);
}
.ls-read-more:hover {
  background: var(--ls-blue);
  color: white;
  transform: translateX(4px);
}

/* ===== Featured Posts ===== */
.ls-section-title {
  font-size: 1.5rem;
  margin-bottom: 28px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ls-blue);
  display: inline-block;
}

/* ===== Single Post ===== */
.ls-single-post {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow);
  overflow: hidden;
}
.ls-single-featured {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.ls-single-body {
  padding: 40px;
}
.ls-single-body h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}
.ls-post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--ls-text-light);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--ls-border);
}

/* Post content typography */
.ls-post-content h2 { font-size: 1.5rem; margin: 32px 0 16px; }
.ls-post-content h3 { font-size: 1.25rem; margin: 24px 0 12px; }
.ls-post-content p { margin-bottom: 16px; }
.ls-post-content ul, .ls-post-content ol { margin: 0 0 16px 24px; }
.ls-post-content li { margin-bottom: 8px; }
.ls-post-content blockquote {
  border-left: 4px solid var(--ls-blue);
  padding: 16px 24px;
  margin: 24px 0;
  background: var(--ls-light-blue);
  border-radius: 0 var(--ls-radius) var(--ls-radius) 0;
  font-style: italic;
}
.ls-post-content pre {
  background: var(--ls-dark-accent);
  color: #e2e8f0;
  padding: 20px;
  border-radius: var(--ls-radius);
  overflow-x: auto;
  margin: 24px 0;
  font-size: 0.9rem;
}
.ls-post-content code {
  background: var(--ls-light-blue);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
}
.ls-post-content pre code {
  background: none;
  padding: 0;
}
.ls-post-content img {
  border-radius: var(--ls-radius);
  margin: 24px 0;
}

/* Tags */
.ls-post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ls-border);
}
.ls-tag {
  background: var(--ls-light-blue);
  color: var(--ls-blue);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--ls-transition);
}
.ls-tag:hover {
  background: var(--ls-blue);
  color: white;
}

/* Related posts */
.ls-related-posts { margin-top: 48px; }

/* ===== Sidebar ===== */
.ls-sidebar {}
.ls-widget {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow);
  padding: 24px;
  margin-bottom: 28px;
}
.ls-widget h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ls-blue);
}

/* Search widget */
.ls-search-form {
  display: flex;
  gap: 0;
}
.ls-search-form input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--ls-border);
  border-radius: 8px 0 0 8px;
  background: var(--ls-light-bg);
  color: var(--ls-text);
  font-size: 0.9rem;
  outline: none;
  transition: border var(--ls-transition);
}
.ls-search-form input:focus { border-color: var(--ls-blue); }
.ls-search-form button {
  background: var(--ls-blue);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  transition: background var(--ls-transition);
}
.ls-search-form button:hover { background: var(--ls-blue-dark); }

/* Category/recent post lists */
.ls-widget-list {
  list-style: none;
}
.ls-widget-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--ls-border);
}
.ls-widget-list li:last-child { border-bottom: none; }
.ls-widget-list a {
  color: var(--ls-text);
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ls-widget-list a:hover { color: var(--ls-blue); }
.ls-widget-list .count {
  background: var(--ls-light-blue);
  color: var(--ls-blue);
  font-size: 0.75rem;
  padding: 2px 10px;
  border-radius: 20px;
  font-weight: 600;
}

/* Tags cloud */
.ls-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Pagination ===== */
.ls-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.ls-pagination a,
.ls-pagination span {
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--ls-transition);
}
.ls-pagination a {
  background: var(--ls-white);
  color: var(--ls-text);
  border: 1px solid var(--ls-border);
}
.ls-pagination a:hover {
  background: var(--ls-blue);
  color: white;
  border-color: var(--ls-blue);
}
.ls-pagination .current {
  background: var(--ls-blue);
  color: white;
  border: 1px solid var(--ls-blue);
}

/* ===== Comments ===== */
.ls-comments {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow);
  padding: 32px;
  margin-top: 28px;
}
.ls-comments h3 { margin-bottom: 24px; }
.comment-list {
  list-style: none;
}
.comment {
  padding: 20px 0;
  border-bottom: 1px solid var(--ls-border);
}
.comment:last-child { border-bottom: none; }
.comment-author {
  font-weight: 600;
  color: var(--ls-dark);
}
.comment-meta { font-size: 0.8rem; color: var(--ls-text-light); margin-bottom: 8px; }

/* Comment form */
.ls-comment-form label {
  display: block;
  font-weight: 500;
  margin-bottom: 6px;
  font-size: 0.9rem;
}
.ls-comment-form input,
.ls-comment-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--ls-border);
  border-radius: 8px;
  margin-bottom: 16px;
  background: var(--ls-light-bg);
  color: var(--ls-text);
  font-size: 0.92rem;
  transition: border var(--ls-transition);
}
.ls-comment-form input:focus,
.ls-comment-form textarea:focus {
  border-color: var(--ls-blue);
  outline: none;
}
.ls-comment-form textarea { min-height: 120px; resize: vertical; }
.ls-btn {
  background: var(--ls-blue);
  color: white;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ls-transition);
  font-size: 0.95rem;
}
.ls-btn:hover {
  background: var(--ls-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ===== Footer ===== */
.ls-footer {
  background: var(--ls-dark-accent);
  color: #94a3b8;
  padding: 60px 0 0;
  margin-top: 60px;
}
.ls-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.ls-footer h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: 20px;
}
.ls-footer a { color: #94a3b8; }
.ls-footer a:hover { color: var(--ls-blue); }
.ls-footer ul { list-style: none; }
.ls-footer li { margin-bottom: 10px; }

/* Social icons */
.ls-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.ls-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ls-transition);
  color: #94a3b8;
}
.ls-social a:hover {
  background: var(--ls-blue);
  color: white;
  transform: translateY(-2px);
}

/* Newsletter */
.ls-newsletter-form {
  display: flex;
  gap: 0;
  margin-top: 12px;
}
.ls-newsletter-form input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px 0 0 8px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  font-size: 0.9rem;
  outline: none;
}
.ls-newsletter-form button {
  background: var(--ls-blue);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 0 8px 8px 0;
  cursor: pointer;
  font-weight: 600;
  transition: background var(--ls-transition);
}
.ls-newsletter-form button:hover { background: var(--ls-blue-dark); }

.ls-footer-bottom {
  text-align: center;
  padding: 24px 20px;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

/* ===== Page Template ===== */
.ls-page {
  background: var(--ls-white);
  border-radius: var(--ls-radius);
  border: 1px solid var(--ls-border);
  box-shadow: var(--ls-shadow);
  padding: 40px;
}
.ls-page h1 { margin-bottom: 24px; }

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .ls-content-wrap {
    grid-template-columns: 1fr;
  }
  .ls-footer-grid {
    grid-template-columns: 1fr;
  }
  .ls-hero h1 { font-size: 2.2rem; }
}

@media (max-width: 768px) {
  .ls-nav { display: none; }
  .ls-nav.active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--ls-white);
    border-bottom: 1px solid var(--ls-border);
    box-shadow: var(--ls-shadow-hover);
    padding: 16px;
  }
  .ls-nav.active ul {
    flex-direction: column;
    gap: 4px;
  }
  .ls-nav.active .sub-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    display: block;
  }
  .ls-menu-toggle { display: block; }
  .ls-hero { padding: 48px 20px; }
  .ls-hero h1 { font-size: 1.8rem; }
  .ls-single-body { padding: 24px; }
  .ls-posts-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== Utility / Screen reader ===== */
.screen-reader-text {
  clip: rect(1px, 1px, 1px, 1px);
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
}