* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
  background-color: #1a1a1a;
  color: #e0e0e0;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
}

a {
  text-decoration: none;
  color: #007bff;
  transition: color 0.3s;
}

a:hover {
  text-decoration: underline;
}

body.dark-mode a {
  color: #00aaff;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.header {
  background-color: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

body.dark-mode .header {
  background-color: #2a2a2a;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

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

.nav-links li {
  margin-left: 1.5rem;
}

.main-content {
  padding: 2rem 0;
}

.post-card {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

body.dark-mode .post-card {
  background-color: #2a2a2a;
  box-shadow: 0 2px 10px rgba(255,255,255,0.1);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.post-title {
  margin-bottom: 0.5rem;
  font-size: 1.8rem;
}

.post-meta {
  color: #6c757d;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

body.dark-mode .post-meta {
  color: #a0a0a0;
}

.post-content {
  margin-bottom: 1rem;
}

.comment-section {
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  padding: 1.5rem;
  margin-top: 2rem;
}

body.dark-mode .comment-section {
  background-color: #2a2a2a;
  box-shadow: 0 2px 10px rgba(255,255,255,0.1);
}

.comment-form {
  margin-top: 1rem;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 1rem;
  background-color: #fff;
  color: #333;
}

body.dark-mode .comment-form input,
body.dark-mode .comment-form textarea {
  background-color: #3a3a3a;
  color: #e0e0e0;
  border-color: #555;
}

.comment-form textarea {
  height: 120px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #0056b3;
}

body.dark-mode .btn {
  background-color: #00aaff;
  color: #1a1a1a;
}

body.dark-mode .btn:hover {
  background-color: #0088cc;
}

/* Footer */
.footer {
  background-color: #343a40;
  color: #fff;
  padding: 2rem 0;
  margin-top: 3rem;
}

body.dark-mode .footer {
  background-color: #2a2a2a;
}

.footer-content {
  text-align: center;
}

.form-group {
  margin-bottom: 1rem;
}

.error-message {
  color: #dc3545;
  margin-bottom: 1rem;
}

/* Dark/Light Mode Toggle */
.dark-mode-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s;
}

body.dark-mode .dark-mode-toggle {
  background-color: #00aaff;
}

.dark-mode-toggle:hover {
  background-color: #0056b3;
}

body.dark-mode .dark-mode-toggle:hover {
  background-color: #0088cc;
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    text-align: center;
  }

  .nav-links {
    margin-top: 1rem;
  }

  .nav-links li {
    margin: 0 0.5rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* Newsletter signup */
.newsletter-form {
  margin-top: 2rem;
  padding: 1.5rem;
  background-color: #e9ecef;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

body.dark-mode .newsletter-form {
  background-color: #3a3a3a;
}

.newsletter-form input[type="email"] {
  width: 100%;
  max-width: 400px;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 1rem;
  background-color: #fff;
  color: #333;
}

body.dark-mode .newsletter-form input[type="email"] {
  background-color: #3a3a3a;
  color: #e0e0e0;
  border-color: #555;
}

/* Tags styling */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  background-color: #007bff;
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* FAQ accordion */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1rem;
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  background-color: #007bff;
  color: white;
  padding: 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s;
}

.faq-question:hover {
  background-color: #0056b3;
}

.faq-answer {
  background-color: #fff;
  padding: 1rem;
  display: none;
}

body.dark-mode .faq-answer {
  background-color: #2a2a2a;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Admin Dashboard */
.admin-dashboard {
  margin-top: 2rem;
}

.dashboard-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

/* Post Creation Form */
.post-form {
  background-color: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}

body.dark-mode .post-form {
  background-color: #2a2a2a;
  box-shadow: 0 2px 10px rgba(255,255,255,0.1);
}

.post-form input,
.post-form textarea,
.post-form select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  margin-bottom: 1rem;
  background-color: #fff;
  color: #333;
}

body.dark-mode .post-form input,
body.dark-mode .post-form textarea,
body.dark-mode .post-form select {
  background-color: #3a3a3a;
  color: #e0e0e0;
  border-color: #555;
}

/* Comment Moderation */
.comment-moderation {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: #f8f9fa;
}

body.dark-mode .comment-moderation {
  background-color: #3a3a3a;
  border-color: #555;
}