body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f9f9f9;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  padding: 10px 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.menu-icon {
  font-size: 1.5em;
  cursor: pointer;
}

.logo {
  font-size: 1.5em;
  font-weight: bold;
  color: #ff0000;
}

.search-box {
  flex: 1;
  display: flex;
  margin: 0 20px;
}

.search-box input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px 0 0 4px;
}

.search-box button {
  padding: 8px 12px;
  border: 1px solid #ccc;
  background: #eee;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
}

.user-icons span {
  margin-left: 15px;
  font-size: 1.2em;
  cursor: pointer;
}

.sidebar {
  width: 200px;
  background: #fff;
  padding: 20px;
  position: fixed;
  top: 60px;
  bottom: 0;
  left: 0;
  box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
}

.sidebar a {
  display: block;
  margin-bottom: 15px;
  color: #333;
  text-decoration: none;
  font-weight: bold;
}

.container {
  margin-left: 220px;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.video-card {
  background: #fff;
  padding: 10px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.video-card img {
  width: 100%;
  border-radius: 6px;
}

.video-card h3 {
  margin: 10px 0 5px;
  font-size: 1em;
}

.video-card p {
  color: #666;
  font-size: 0.9em;
}