/* Reset some default styles */
* {
    box-sizing: border-box;
}

body {
    background-color: #181818; /* YouTube's dark background */
    color: white;
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
}

/* Header Styling */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: #181818;
    padding: 10px 20px;
    display: flex;
    flex-direction: column; /* Arrange topNavbars vertically */
}

/* Top Navbar Section */
#topNavbars {
    width: 100%;
    display: flex;
    flex-direction: column;
}

/* Upper Navigation Bar */
#upNav {
    display: flex;
    justify-content: space-between; /* Distribute space between items */
    align-items: center;
    width: 100%;
}

/* Logo Styling */
#logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Search Bar Styling */
#search {
    flex: 1; /* Take up remaining space between logo and notifications */
    display: flex;
    justify-content: center; /* Center the search bar */
    align-items: center;
    margin: 0 20px;
}

#search input {
    width: 60%; /* Adjust width as needed */
    padding: 8px 12px;
    border: none;
    border-radius: 2px 0 0 2px;
    outline: none;
}

#search button {
    padding: 8px 16px;
    border: none;
    background-color: #303030;
    color: white;
    border-radius: 0 2px 2px 0;
    cursor: pointer;
}

#search button:hover {
    background-color: #555;
}

/* Notification, Upload, and Channel Icons */
#notifUploadChannel {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Downbar Styling */
#downbar {
    display: flex;
    list-style: none;
    padding: 10px 0;
    overflow-x: scroll; /* Enable horizontal scrolling */
    justify-content: center; /* Center the list items */
    gap: 20px;
    margin: 0; /* Remove default margin */
}

#downbar li {
    padding: 8px 16px;
    background-color: #303030;
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap; /* Prevent text from wrapping */
    flex: 0 0 auto; /* Prevent items from shrinking */
}

#downbar li:hover {
    background-color: #555;
}

/* Sidebar Styling */
#sideNavbar {
    position: fixed;
    top: 135px; /* Adjust based on total header height */
    left: 0;
    width: 200px;
    padding: 20px 0;
    border-right: 1px solid #303030;
    height: calc(100vh - 100px);
    background-color: #181818;
    overflow-y: auto;
}

.sideNavPairs {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    gap: 20px;
    cursor: pointer;
}

.sideNavPairs:hover {
    background-color: #303030;
}

.sideNavPairs p {
    margin: 0;
    font-size: 16px;
}

/* Main Content Adjustments */
main {
    margin-top: 100px; /* Total header height */
    margin-left: 240px; /* Sidebar width */
    padding: 20px;
    background-color: #181818;
    min-height: 100vh;
}

/* Video Grid Styling */
.video-grid {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Video Card Styling */
.video-card {
    background-color: #282828;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.video-card:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* Thumbnail Styling */
.thumbnail-container {
    position: relative;
}

.thumbnail {
    width: 100%;
    height: auto;
    display: block;
}

.duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background-color: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 2px 4px;
    border-radius: 2px;
    font-size: 12px;
}

/* Video Info Styling */
.video-info {
    display: flex;
    padding: 12px;
    gap: 12px;
}

.profile-pic {
    width: 36px;
    height: 36px;
    background-color: #555;
    border-radius: 50%;
}

.video-details {
    flex: 1;
}

.video-title {
    font-size: 14px;
    margin: 0 0 6px 0;
    line-height: 1.2;
    color: #fff;
}

.channel-name,
.views-time {
    font-size: 12px;
    color: #aaa;
    margin: 0;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    #sideNavbar {
        width: 200px;
    }

    main {
        margin-left: 200px;
    }

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

@media (max-width: 900px) {
    #sideNavbar {
        display: none;
    }

    main {
        margin-left: 0;
    }

    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
}

@media (max-width: 600px) {
    #search input {
        width: 100%;
    }

    .video-title {
        font-size: 13px;
    }

    .channel-name,
    .views-time {
        font-size: 11px;
    }
}