body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #111;
  color: #fff;
}

header {
  background: #000;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: 1.8rem;
  color: #e50914;
}

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

input[type="text"] {
  padding: 0.4rem;
  border-radius: 5px;
  border: none;
  outline: none;
}

.content {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.video-card {
  background: #222;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.video-card video {
  width: 100%;
  display: block;
}

.video-card h3 {
  padding: 0.5rem 1rem;
  font-size: 1.1rem;
}

#auth {
  padding: 2rem;
}

input[type="email"], input[type="password"] {
  padding: 0.5rem;
  margin: 0.5rem 0;
  width: 200px;
  border-radius: 5px;
  border: none;
}

button {
  padding: 0.5rem 1rem;
  background: #e50914;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

#user-info {
  margin-left: 1rem;
  font-weight: bold;
  color: #0f0;
}