.youtube-video-downloader {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 25px;
}

.yvd-header {
    text-align: center;
    margin-bottom: 25px;
}

.yvd-header h2 {
    color: #ff0000;
    font-size: 28px;
    margin-bottom: 10px;
}

.yvd-header p {
    color: #282828;
    font-size: 16px;
}

.yvd-input-group {
    display: flex;
    margin-bottom: 20px;
}

.yvd-url-input {
    flex: 1;
    padding: 15px;
    border: 2px solid #ddd;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
}

.yvd-url-input:focus {
    border-color: #ff0000;
}

.yvd-fetch-btn {
    background: #ff0000;
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background 0.3s;
}

.yvd-fetch-btn:hover {
    background: #cc0000;
}

.yvd-loading {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.yvd-spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left: 4px solid #ff0000;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: yvd-spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes yvd-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.yvd-error {
    display: none;
    background: #ffebee;
    color: #d32f2f;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
}

.yvd-success {
    display: none;
    background: #e8f5e9;
    color: #2e7d32;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: center;
}

.yvd-preview {
    display: none;
    margin-top: 25px;
}

.yvd-preview-card {
    background: #f1f1f1;
    border-radius: 8px;
    overflow: hidden;
}

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

.yvd-video-info {
    padding: 20px;
}

.yvd-video-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: #282828;
}

.yvd-video-player {
    width: 100%;
    aspect-ratio: 16/9;
    margin-bottom: 15px;
    border: none;
    border-radius: 8px;
}

.yvd-download-options {
    margin-top: 20px;
}

.yvd-download-btn {
    display: inline-block;
    background: #ff0000;
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.yvd-download-btn:hover {
    background: #cc0000;
}

@media (max-width: 768px) {
    .yvd-input-group {
        flex-direction: column;
    }
    
    .yvd-url-input {
        border-right: 2px solid #ddd;
        border-radius: 8px;
        margin-bottom: 10px;
    }
    
    .yvd-fetch-btn {
        border-radius: 8px;
        padding: 15px;
    }
    
    .youtube-video-downloader {
        padding: 15px;
    }
}