body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: linear-gradient(to right, #f9f9f9, #e0f7fa);
  color: #333;
}

header {
  background: #00bcd4;
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  margin: 0;
  font-size: 24px;
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: bold;
}

main {
  max-width: 600px;
  margin: 30px auto;
  padding: 10px;
}

.post {
  background: #ffffff;
  border: 2px solid #00bcd4;
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 25px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.profile {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.profile img {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  margin-right: 10px;
}

.username {
  font-weight: bold;
  color: #00796b;
  text-decoration: none;
}

.username:hover {
  text-decoration: underline;
}

.post-media {
  width: 100%;
  border-radius: 8px;
  margin-top: 10px;
}

.caption {
  margin-top: 10px;
}

.hashtag {
  color: #00796b;
  font-weight: bold;
}

.profile-header {
  text-align: center;
  padding: 20px;
}

.profile-header img {
  width: 80px;
  border-radius: 50%;
}

.amigo {
  background: white;
  margin: 10px;
  padding: 10px;
  display: flex;
  align-items: center;
  border: 1px solid #ccc;
  border-radius: 8px;
}

.amigo img {
  width: 50px;
  border-radius: 50%;
  margin-right: 10px;
}