:root {
  --primary-color: #2babaf;
  --secondary-color: #716e6e;
  --background-dark: #000000;
  --background-light: #121212;
  --text-primary: #ffffff;
  --text-secondary: #eae0e0;
  --hover-color: #cccccc;
  --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --transition-speed: 0.3s;
}

html, body {
  height: 100%;
}

body {
  font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-dark);
  color: var(--text-primary);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 30px;
  background-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--secondary-color);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
  letter-spacing: 0.5px;
  transition: transform var(--transition-speed) ease;
}

.logo:hover {
  transform: scale(1.05);
}

.search-bar {
  display: flex;
  align-items: center;
  flex-grow: 0.5;
  max-width: 600px;
  margin: 0 20px;
}

.search-bar input {
  padding: 10px 15px;
  width: 100%;
  border: none;
  border-radius: 20px 0 0 20px;
  font-size: 16px;
  background-color: rgba(255, 255, 255, 0.9);
  transition: box-shadow var(--transition-speed) ease;
}

.search-bar input:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--secondary-color);
}

.search-bar button {
  padding: 10px 20px;
  background-color: var(--secondary-color);
  color: var(--text-primary);
  border: none;
  border-radius: 0 20px 20px 0;
  cursor: pointer;
  font-weight: 600;
  transition: background-color var(--transition-speed) ease;
}

.search-bar button:hover {
  background-color: #5a5757;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.top-bar:hover {
  background-color: var(--hover-color);
  transform: scale(1.1);
}

.top-bar img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.sidebar {
  width: 240px;
  background-color: var(--background-light);
  padding: 25px 0;
  position: fixed;
  height: calc(100vh - 60px);
  top: 60px;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar::-webkit-scrollbar {
  width: 6px;
}

.sidebar::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 3px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar ul li {
  margin: 8px 0;
  padding: 0 20px;
}

.sidebar ul li a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 16px;
  padding: 10px 15px;
  display: block;
  border-radius: 5px;
  transition: all var(--transition-speed) ease;
}

.sidebar ul li a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.content {
  flex: 1; 
  margin-left: 240px;
  padding: 30px;
  margin-top: 60px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.video-card {
  background-color: var(--background-light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.video-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform var(--transition-speed) ease;
}

.video-card:hover img {
  transform: scale(1.03);
}

.video-card h3 {
  margin: 15px 15px 5px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card p {
  margin: 0 15px 15px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer {
  text-align: center;
  padding: 25px;
  background-color: var(--background-light);
  margin-left: 240px;
  font-size: 14px;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    z-index: 900;
  }
  
  .content, .footer {
    margin-left: 0;
  }
  
  .search-bar {
    display: none;
  }
}

  .etiquetas {
    margin: 10px;
  }
  
  .etiqueta {
    background-color: #0361c5;     /* Azul fuerte */
    color: white;
    font-size: 10px;               /* Letra más pequeña */
    padding: 2px 6px;
    margin-right: 4px;
    margin-top: 4px;
    border-radius: 10px;
    display: inline-block;
  }


      #search-results-title {
      color: var(--text-primary);
      margin: 0 0 25px 15px;
      font-size: 1.5em;
    }
    #search-query{
      color: var(--primary-color);
      font-weight: bold;
    }
    .hidden-section {
      display: none;
    }
    #back-to-home {
      background: var(--primary-color);
      color: white;
      border: none;
      padding: 8px 15px;
      border-radius: 4px;
      cursor: pointer;
      margin: 0 15px 20px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    #back-to-home:hover {
      opacity: 0.9;
    }