@import url("https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap");

/* CSS Variables for theming */
:root {
  --bg-color: #0d1117;
  --text-color: #c9d1d9;
  --accent-color: #58a6ff;
  --secondary-color: #30363d;
  --border-color: #21262d;
  --hover-color: #1f2328;
  --success-color: #238636;
  --warning-color: #f85149;
  --code-bg: #161b22;
}

[data-theme="light"] {
  --bg-color: #f2f0ef;
  --text-color: #24292f;
  --accent-color: #0969da;
  --secondary-color: #f6f8fa;
  --border-color: #d0d7de;
  --hover-color: #f3f4f6;
  --success-color: #1a7f37;
  --warning-color: #cf222e;
  --code-bg: #f6f8fa;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  margin: 40px auto;
  max-width: 900px;
  font-family: "Space Mono", monospace;
  font-size: 18px;
  padding: 0 10px;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

/* Site Header and Navigation */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 1rem 0;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-color);
  text-decoration: none;
}

.logo::before {
  content: "~";
  color: var(--success-color);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
  background-color: var(--hover-color);
  color: var(--accent-color);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.3s ease;
}

.theme-toggle:hover {
  background-color: var(--hover-color);
  border-color: var(--accent-color);
}

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background-color: var(--text-color);
  margin: 3px 0;
  transition: 0.3s;
}

/* Page Headers */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  opacity: 0.8;
  font-size: 1.1rem;
}

.article-header {
  margin-bottom: 2rem;
}

.article-header h1 {
  margin-bottom: 0.5rem;
}

/* Main content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  min-height: calc(100vh - 200px);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin-bottom: 1rem;
  color: var(--accent-color);
}

h1 {
  font-size: 2.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

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

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

/* Code and pre blocks */
code {
  background-color: var(--code-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: "Space Mono", monospace;
  font-size: 0.9rem;
}

pre {
  background-color: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0;
  border: 1px solid var(--border-color);
}

/* Article styling */
.article-meta {
  color: var(--text-color);
  opacity: 0.8;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.article-meta::before {
  content: "// ";
  color: var(--success-color);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
  border: 1px solid var(--border-color);
}

/* Article images - centered and mobile friendly */
.article-image {
  display: block;
  margin: 2rem auto;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-image:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
  .article-image {
    margin: 1.5rem auto;
    border-radius: 6px;
  }
}

@media (max-width: 480px) {
  .article-image {
    margin: 1rem auto;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }

  .article-image:hover {
    transform: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
}

/* Article Video Styles */
.article-video {
  margin: 2rem auto;
  text-align: center;
  max-width: 100%;
}

.article-video video {
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--secondary-color);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.article-video video:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

/* Responsive styles for mobile */
@media (max-width: 768px) {
  .article-video {
    margin: 1.5rem auto;
  }

  .article-video video {
    border-radius: 6px;
  }
}

@media (max-width: 480px) {
  .article-video {
    margin: 1rem auto;
  }

  .article-video video {
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
}

/* Like button */
.like-container {
  margin: 2rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.like-btn {
  background: var(--secondary-color);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.like-btn:hover {
  background-color: var(--hover-color);
  border-color: var(--accent-color);
}

.like-btn.liked {
  background-color: var(--success-color);
  border-color: var(--success-color);
  color: white;
}

.like-count {
  font-weight: 700;
  color: var(--accent-color);
}

/* Lists */
.article-list,
.project-list {
  list-style: none;
}

.article-list li,
.project-list li {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: all 0.3s ease;
}

.article-list li:hover,
.project-list li:hover {
  border-color: var(--accent-color);
  background-color: var(--hover-color);
}

.article-list h3,
.project-list h3 {
  margin-bottom: 0.5rem;
}

.article-list a,
.project-list a {
  text-decoration: none;
  color: var(--accent-color);
  font-weight: 700;
}

.article-list a:hover,
.project-list a:hover {
  text-decoration: underline;
}

/* Forms */
.contact-form {
  background-color: var(--secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 700;
  color: var(--accent-color);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.1);
}

.submit-btn {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  transition: background-color 0.3s ease;
}

.submit-btn:hover {
  background-color: var(--success-color);
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-content p {
  margin: 0;
  opacity: 0.8;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--text-color);
  text-decoration: none;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.social-links a:hover {
  color: var(--accent-color);
  background-color: var(--hover-color);
}

/* Mobile Styles */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  main {
    padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .like-container {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  nav {
    padding: 0 1rem;
  }

  main {
    padding: 0.5rem;
  }

  .contact-form {
    padding: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }
}

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

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
