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

body {
  font-family: 'Roboto', sans-serif;
  background-color: #f4f6f8;
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: #3498db;
}

ul {
  list-style: none;
}

/* Container */
.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
}

/* Header */
.main-header {
  background-color: #2c3e50;
  padding: 1rem 0;
  color: #fff;
}

.main-header .logo {
  font-size: 1.8rem;
  font-weight: bold;
}

.main-header nav {
  margin-top: 0.5rem;
}

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

.nav-links li a {
  color: #ecf0f1;
  font-weight: 500;
}

.nav-links li a:hover {
  text-decoration: underline;
}

/* Hero Section */
.hero {
  background: linear-gradient(to right, #3498db, #2ecc71);
  color: #fff;
  padding: 4rem 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.btn-primary {
  background-color: #2980b9;
  color: #fff;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
}

.btn-primary:hover {
  background-color: #1f618d;
}

.btn-secondary {
  background-color: #7f8c8d;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.btn-danger {
  background-color: #e74c3c;
  color: #fff;
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

/* Forms */
.form-section {
  padding: 2rem 0;
}

.form-card {
  background-color: #fff;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.form-card input,
.form-card textarea,
.form-card select {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

/* Posts */
.feed-section,
.profile-section {
  padding: 2rem 0;
}

.post-card {
  background-color: #fff;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  padding: 1rem;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.05);
}

.post-card .post-header {
  margin-bottom: 0.5rem;
}

.post-card .timestamp {
  font-size: 0.8rem;
  color: #999;
}

.post-image {
  max-width: 100%;
  margin-top: 0.5rem;
  border-radius: 6px;
}

.post-actions {
  margin-top: 1rem;
}

.post-actions button {
  margin-right: 1rem;
  padding: 0.4rem 1rem;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.post-actions button:hover {
  background-color: #dcdcdc;
}

.liked {
  background-color: #3498db;
  color: #fff;
}

/* Profile */
.profile-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.profile-pic {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
}

/* Chat/Messages */
.chat-container {
  background-color: #fff;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

.chat-header {
  font-weight: bold;
  margin-bottom: 1rem;
}

.chat-box {
  height: 300px;
  overflow-y: auto;
  background-color: #f2f2f2;
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
}

.message {
  margin-bottom: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  max-width: 70%;
  word-wrap: break-word;
}

.message.sent {
  background-color: #3498db;
  color: #fff;
  margin-left: auto;
  text-align: right;
}

.message.received {
  background-color: #ecf0f1;
  color: #333;
  text-align: left;
}

.chat-input {
  display: flex;
  gap: 0.5rem;
}

.chat-input input {
  flex: 1;
  padding: 0.6rem;
  border-radius: 6px;
  border: 1px solid #ccc;
}

/* Admin Section */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.admin-card {
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);  
}

.admin-card h3 {
  margin-bottom: 1rem;
}

/* Footer */
.main-footer {
  text-align: center;
  padding: 1.5rem 0;
  background-color: #2c3e50;
  color: #ecf0f1;
  margin-top: 2rem;
}