body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: #fff;
  text-align: center;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid #222;
  background: #000;
  position: sticky;
  top: 0;
  z-index: 10;
}

header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
}
header .logo span {
  color: #ff0050; /* rosa TikTok */
}

nav a {
  margin: 0 0.5rem;
  color: #fff;
  text-decoration: none;
}
nav a:hover {
  color: #00f2ea; /* azul TikTok */
}

main h1 {
  margin: 1rem 0;
  font-size: 1.2rem;
}

.videos {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 1rem;
}

.video-card {
  background: #111;
  border-radius: 1rem;
  padding: 1rem;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 0 10px rgba(255,255,255,0.1);
}

.video-frame {
  width: 100%;
  aspect-ratio: 9/16;
  background: #000;
  border-radius: 0.5rem;
  overflow: hidden;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
}

.video-info {
  margin-top: 0.5rem;
  text-align: left;
}

.video-info h2 {
  font-size: 1rem;
  margin: 0.2rem 0;
}

.video-info p {
  margin: 0.2rem 0;
  color: #aaa;
  font-size: 0.9rem;
}

#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #ff0050;
  color: #fff;
  border: none;
  padding: 0.8rem;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: none;
}
#scrollTopBtn:hover {
  background-color: #00f2ea;
}