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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Arial', sans-serif;
 background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: white;
  line-height: 1.6;
}

/* Header */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header h1 {
  font-size: 24px;
  font-weight: bold;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.nav-bar {
  display: flex;
  gap: 15px;
}

.nav-bar a {
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 25px;
  color: rgb(17, 17, 17);
  text-decoration: none;
  font-size: 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.nav-bar a:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Content */
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

#myVideo {
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  background: white;
  padding: 10px;
  margin-top: 20px;
}

#myVideo:hover {
  transform: scale(1.02);
}

/* Video Grid */
#imageContainer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  width: 100%;
  max-width: 1000px;
  margin-top: 40px;
  justify-items: center;
}

/* Thumbnail Card */
.thumbnail-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  width: 100%;
  max-width: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.thumbnail-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* Thumbnail Image */
.thumbnail-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.thumbnail-item:hover .thumbnail-image {
  transform: scale(1.05);
}

/* Video Title */
.video-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.4;
  text-align: center;
  font-weight: 500;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  max-width: 100%;
  word-break: break-word;
}

/* Footer */
.site-footer {
  background: rgba(0, 0, 0, 0.3);
  text-align: center;
  padding: 20px;
  margin-top: 50px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }

  .content {
    padding: 20px 10px;
  }

  #myVideo {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 16/9;
  }

  #imageContainer {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .thumbnail-image {
    height: 150px;
  }
}