:root {
    --primary-color: #ff0000;
    --bg-color: #0f0f0f;
    --text-color: #ffffff;
    --secondary-bg: #1a1a1a;
    --border-color: #333;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--secondary-bg);
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 1.5rem;
}

header a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.container {
    display: flex;
    min-height: calc(100vh - 60px);
}

.sidebar {
    width: 250px;
    background-color: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    padding: 1rem;
}

.user-section {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #555;
    margin-right: 0.5rem;
}

.user-info {
    flex: 1;
}

#login-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

nav ul {
    list-style: none;
}

nav li {
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

nav li.active {
    background-color: var(--primary-color);
}

nav li span {
    margin-left: 0.5rem;
}

main {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

.video-feed {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.video-card {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s;
}

.video-card:hover {
    transform: scale(1.02);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    background-color: #222;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-thumbnail .duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

.video-info {
    padding: 0.8rem;
}

.video-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.video-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #aaa;
}

.loading-indicator {
    display: none;
    flex-direction: column;
    align-items: center;
    margin: 2rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
}

.search-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

#search-input {
    flex: 1;
    padding: 0.8rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
}

#search-platform {
    padding: 0 0.8rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
}

#search-btn {
    padding: 0 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.search-results {
    margin-top: 1rem;
}

.search-result {
    display: flex;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.result-thumbnail {
    position: relative;
    width: 200px;
    height: 120px;
    background-color: #222;
}

.result-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.result-thumbnail .duration {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

.result-info {
    flex: 1;
    padding: 0.8rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.result-stats {
    font-size: 0.8rem;
    color: #aaa;
    display: flex;
    gap: 1rem;
}

.play-btn {
    align-self: flex-start;
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    margin-bottom: 1rem;
    transition: background-color 0.2s;
}

.upload-area.dragover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--primary-color);
}

.upload-area video {
    width: 100%;
    max-height: 300px;
    margin-bottom: 1rem;
}

#file-input {
    display: none;
}

.upload-details input,
.upload-details textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
}

.upload-details textarea {
    min-height: 100px;
    resize: vertical;
}

#upload-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s;
}

#upload-btn:hover {
    opacity: 0.9;
}

.upload-progress {
    margin-top: 1rem;
    display: none;
}

.upload-progress.active {
    display: block;
}

.progress-bar {
    height: 6px;
    background-color: var(--primary-color);
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    display: block;
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.8rem;
}

.playlists-container {
    max-width: 800px;
    margin: 0 auto;
}

.playlists-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

#new-playlist-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.playlists-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.playlist-card {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
}

.playlist-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.playlist-card .video-count {
    font-size: 0.8rem;
    color: #aaa;
}

.analytics-container {
    max-width: 1000px;
    margin: 0 auto;
}

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.analytics-card {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.analytics-card h3 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: #aaa;
}

.analytics-card p {
    font-size: 1.5rem;
    font-weight: bold;
}

.analytics-chart {
    background-color: var(--secondary-bg);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.video-player-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    z-index: 1000;
}

.video-player-modal.active {
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-player-container {
    width: 90%;
    max-width: 1000px;
    background-color: var(--secondary-bg);
    border-radius: 8px;
    overflow: hidden;
}

.video-player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.close-player {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

.video-player {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
}

.video-player iframe,
.video-player video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-player-info {
    padding: 1rem;
}

.video-stats {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #aaa;
}

.video-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.video-actions button {
    background-color: #333;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.video-comments {
    margin-top: 1rem;
}

.video-comments h4 {
    margin-bottom: 0.5rem;
}

.comments-list {
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 1rem;
}

.comment {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.comment:last-child {
    border-bottom: none;
}

.comment-author {
    font-weight: bold;
    font-size: 0.9rem;
}

.comment-text {
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

.comment-input {
    display: flex;
    gap: 0.5rem;
}

.comment-input input {
    flex: 1;
    padding: 0.5rem;
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 4px;
}

.comment-input button {
    padding: 0 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* Responsive styles */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        padding: 0.5rem;
    }
    
    .user-section {
        margin-bottom: 1rem;
        padding-bottom: 0.5rem;
    }
    
    nav ul {
        display: flex;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    nav li {
        margin-bottom: 0;
        white-space: nowrap;
    }
    
    .video-feed {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .search-header {
        flex-direction: column;
    }
    
    .search-result {
        flex-direction: column;
    }
    
    .result-thumbnail {
        width: 100%;
        height: auto;
        aspect-ratio: 16/9;
    }
    
    .video-player-container {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }
}