/* CSS Variables for Light/Dark Mode */
:root {
  --bg: #ffffff;
  --bg-secondary: #f8f9fa;
  --text: #333333;
  --text-secondary: #555555;
  --primary: #007bff;
  --primary-hover: #0056b3;
  --border: #dddddd;
  --card-bg: #ffffff;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}
[data-theme="dark"] {
  --bg: #121212;
  --bg-secondary: #1e1e1e;
  --text: #e0e0e0;
  --text-secondary: #aaaaaa;
  --primary: #3ea6ff;
  --primary-hover: #1a8cd8;
  --border: #333333;
  --card-bg: #1e1e1e;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
body {
  background: var(--bg);
  color: var(--text);
  transition:
    background 0.3s,
    color 0.3s;
}
a {
  text-decoration: none;
  color: var(--primary);
}
button {
  cursor: pointer;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  background: var(--primary);
  color: white;
  transition: 0.3s;
}
button:hover {
  background: var(--primary-hover);
}
button.secondary {
  background: var(--bg-secondary);
  color: var(--text);
  border: 1px solid var(--border);
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5%;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-links {
  display: flex;
  gap: 15px;
  align-items: center;
}
.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--text);
}

/* Layout */
.container {
  display: flex;
  max-width: 1200px;
  margin: 20px auto;
  padding: 0 20px;
  gap: 30px;
}
.main-content {
  flex: 3;
}
.sidebar {
  flex: 1;
}
.sidebar .widget {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

/* Cards */
.post-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  border: 1px solid var(--border);
  transition: transform 0.2s;
  cursor:pointer;
}
.post-card:hover {
  transform: translateY(-3px);
}
.post-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 10px;
}
.post-card h2 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}
.post-meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

/* Forms & Inputs */
input,
textarea,
select {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
}
textarea {
  height: 300px;
  resize: vertical;
}
.form-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 30px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.auth-container {
  max-width: 400px;
  margin: 80px auto;
  padding: 30px;
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
}

/* Specifics */
.hidden {
  display: none !important;
}
.ad-placeholder {
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  padding: 20px;
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 20px;
  border-radius: 4px;
}
.like-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.like-btn.liked {
  color: red;
  border-color: red;
}
.comment-box {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.comment-box input {
  flex: 1;
  margin: 0;
}
.comment-item {
  background: var(--bg-secondary);
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.badge {
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .container {
    flex-direction: column-reverse;
  }
  .sidebar {
    flex: auto;
  }
}

.footer {
  background: #000;
  color: #fff;
  padding: 40px 20px 20px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}

.footer h2,
.footer h3 {
  margin-bottom: 15px;
}

.footer p {
  color: #aaa;
  line-height: 1.6;
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links a {
  text-decoration: none;
  color: #aaa;
  transition: 0.3s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-social .social-icons a {
  display: block;
  color: #aaa;
  margin-bottom: 8px;
  text-decoration: none;
}

.footer-social a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #222;
  margin-top: 30px;
  padding-top: 15px;
  font-size: 14px;
  color: #777;
}
#recent-posts:hover {
  text-decoration: underline;
}