/* Mobile Optimization CSS */

/* Base Mobile Styles */
@media (max-width: 768px) {
  /* Body and Layout */
  body {
    font-size: 14px;
    line-height: 1.6;
  }

  .container {
    padding: 0 15px;
    max-width: 100%;
  }

  /* Header and Navigation */
  .header-inner {
    padding: 10px 15px;
  }

  .site-nav-toggle {
    display: block;
    z-index: 999;
  }

  .site-nav-toggle .toggle .toggle-line {
    background: #333;
  }

  body.dark-mode .site-nav-toggle .toggle .toggle-line {
    background: #e0e0e0;
  }

  /* Main Content */
  .main-inner {
    padding: 15px 0;
  }

  .posts-expand {
    margin-top: 0;
  }

  .post-block {
    padding: 15px;
    margin-bottom: 20px;
  }

  /* Post Content */
  .post-body {
    font-size: 15px;
  }

  .post-body h1, .post-body h2, .post-body h3,
  .post-body h4, .post-body h5, .post-body h6 {
    margin-top: 25px;
    margin-bottom: 15px;
  }

  .post-body h1 { font-size: 1.8em; }
  .post-body h2 { font-size: 1.5em; }
  .post-body h3 { font-size: 1.3em; }
  .post-body h4 { font-size: 1.1em; }

  /* Code Blocks */
  .highlight {
    border-radius: 6px;
    margin: 15px 0;
  }

  .highlight code {
    font-size: 13px;
  }

  .highlight pre {
    padding: 15px;
    overflow-x: auto;
  }

  /* Tables */
  table {
    font-size: 13px;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table th, table td {
    padding: 8px 10px;
  }

  /* Images */
  img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
  }

  /* Sidebar */
  .sidebar {
    display: none;
  }

  /* Pagination */
  .pagination {
    margin: 30px 0;
  }

  .pagination .prev, .pagination .next,
  .pagination .page-number {
    margin: 5px;
    padding: 8px 12px;
    font-size: 14px;
  }

  /* Footer */
  .footer {
    padding: 20px 15px;
    font-size: 13px;
  }

  /* Dark Mode Toggle - Mobile */
  .dark-mode-toggle {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  /* Reading Progress Bar */
  .reading-progress-bar {
    height: 3px;
  }

  /* Related Posts */
  .related-posts-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .related-post-card {
    padding: 12px;
  }

  .related-post-title {
    font-size: 14px;
  }

  /* About Page */
  .about-page {
    padding: 20px 15px;
  }

  .about-avatar {
    width: 100px;
    height: 100px;
  }

  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .skill-item {
    padding: 10px;
  }

  .skill-name {
    font-size: 13px;
  }

  .skill-level {
    font-size: 11px;
  }

  /* Projects Page */
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .project-card {
    padding: 20px;
  }

  .project-icon {
    font-size: 30px;
  }

  .project-title {
    font-size: 18px;
  }

  .project-description {
    font-size: 14px;
  }

  .project-tech {
    flex-wrap: wrap;
  }

  .project-tech span {
    font-size: 11px;
    padding: 4px 8px;
  }

  /* Archive and Category Pages */
  .archive .post-title,
  .category .post-title {
    font-size: 16px;
  }

  .archive .post-meta,
  .category .post-meta {
    font-size: 12px;
  }

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

  .tag-cloud a {
    padding: 6px 12px;
    font-size: 13px;
  }

  /* Comments */
  .comments {
    padding: 20px 15px;
  }

  /* Search */
  .search-input {
    padding: 10px 15px;
    font-size: 14px;
  }

  /* Back to Top Button */
  .back-to-top {
    bottom: 80px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 16px;
  }

  /* Touch-Friendly Buttons */
  button, a.button, input[type="button"],
  input[type="submit"], .btn {
    min-height: 44px;
    min-width: 44px;
    padding: 10px 20px;
  }

  /* Form Elements */
  input, textarea, select {
    font-size: 16px;
    padding: 12px;
  }

  /* Prevent zoom on focus for iOS */
  input[type="text"], input[type="email"],
  input[type="password"], input[type="tel"],
  textarea {
    font-size: 16px;
  }
}

/* Extra Small Screens */
@media (max-width: 480px) {
  body {
    font-size: 13px;
  }

  .container {
    padding: 0 10px;
  }

  .post-block {
    padding: 12px;
  }

  .post-body {
    font-size: 14px;
  }

  .post-body h1 { font-size: 1.5em; }
  .post-body h2 { font-size: 1.3em; }
  .post-body h3 { font-size: 1.2em; }

  .highlight code {
    font-size: 12px;
  }

  .highlight pre {
    padding: 12px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .about-avatar {
    width: 80px;
    height: 80px;
  }

  .dark-mode-toggle {
    bottom: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
    font-size: 18px;
  }

  .pagination .prev, .pagination .next,
  .pagination .page-number {
    padding: 6px 10px;
    font-size: 13px;
  }

  .footer {
    padding: 15px 10px;
  }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
  .header-inner {
    padding: 5px 15px;
  }

  .post-block {
    padding: 10px;
  }
}

/* Print Styles */
@media print {
  .sidebar, .dark-mode-toggle, .back-to-top,
  .site-nav-toggle, .pagination, .reading-progress-bar {
    display: none !important;
  }

  body {
    background: white !important;
    color: black !important;
  }

  a {
    text-decoration: none;
    color: black !important;
  }

  .post-body a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .about-avatar, img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* Dark Mode Mobile Adjustments */
@media (max-width: 768px) {
  body.dark-mode .post-block {
    background: #252525;
  }

  body.dark-mode .highlight {
    background: #1e1e1e;
  }

  body.dark-mode table {
    background: #252525;
  }

  body.dark-mode table th {
    background: #333;
  }

  body.dark-mode .project-card {
    background: #252525;
    border-color: #333;
  }

  body.dark-mode .skill-item {
    background: #252525;
    border-color: #333;
  }

  body.dark-mode .related-post-card {
    background: #252525;
    border-color: #333;
  }
}

/* Smooth Scrolling for Mobile */
@media (max-width: 768px) {
  html {
    scroll-behavior: smooth;
  }
}

/* Prevent horizontal scroll on mobile */
@media (max-width: 768px) {
  body {
    overflow-x: hidden;
  }

  * {
    max-width: 100%;
    box-sizing: border-box;
  }
}

/* Better touch feedback */
@media (max-width: 768px) {
  a, button, .btn, input[type="button"],
  input[type="submit"] {
    -webkit-tap-highlight-color: rgba(252, 100, 35, 0.3);
    tap-highlight-color: rgba(252, 100, 35, 0.3);
  }

  a:active, button:active, .btn:active {
    opacity: 0.7;
  }
}