style.css

html, body {
    margin: 0;
    padding: 0;
    height: 100%; /* Ensure full height for HTML and body */
    /* background-color: rgb(170, 170, 170); */
}

body {
    font-family: Arial, sans-serif;
    background-color: #716f6f;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Align items to the top */
    height: 100vh; /* Full viewport height */
    overflow: hidden; /* Prevent body overflow */
}

.container {
    display: flex;
    width: 100%;
    height: 100%; /* Ensure container fills the viewport height */
    max-width: 1800px; /* Optional: Limit the maximum width */
    box-sizing: border-box; /* Include padding in total width */
    /* background-color: blue; */ 
    margin-top: 20px;
    margin-bottom: 20px;
}

.poster-container {
    flex: 1; /* Allow this container to grow and fill available space */
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); /* Responsive grid layout */
    gap: 20px; /* Space between posters */
    padding: 20px;
    overflow-y: auto; /* Allow scrolling if necessary */
    box-sizing: border-box; /* Include padding in total width */
}

.poster {
    width: 100%; /* Ensure poster takes full width of grid cell */
    height: 350px;
    perspective: 1000px;
    border: 10px inset transparent;
    border-radius: 20px;
    transition: border-color 0.3s ease;
    margin-bottom: 20px; /* Add margin to separate from the next poster */
    margin-top: 20px;
}

.poster:hover {
    border-color: rgb(73, 172, 248);
}

.poster-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.poster-inner.is-flipped {
    transform: rotateY(180deg);
}

.poster-front, .poster-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
    overflow: hidden;
    box-sizing: border-box; /* Ensure padding and borders are included in the size */
}

.poster-front {
    background-size: cover;
    background-position: center;
}

.poster-back {
    background-color: #fff;
    color: #333;
    transform: rotateY(180deg);
    padding: 10px; /* Use padding to control the internal spacing */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
}

.poster-back img {
    margin: 5px 20px 0px 20px;
    width: 50%;
    height: 50%;
    border-radius: 10px;

}

.poster-back h3 {
    font-size: 20px;
}

.poster-back p {
    font-size: 12px;
    margin: 0px;
    padding: 0px 10px 5px 10px;
}

.select-button {
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
    margin-bottom: 20px;
}

.select-button:hover {
    background-color: #2980b9;
}

.selected-movies-container {
    width: 300px;
    background-color: #f8f8f8;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    display: flex;
    flex-direction: column; /* Ensure content is displayed vertically */
    position: sticky; /* Stick to the top of the viewport */
    top: 20px; /* Distance from the top of the viewport */
    z-index: 1000; /* Ensure it stays above other content */
    max-height: calc(100vh - 40px); /* Limit maximum height to avoid overflow */
    overflow-y: auto; /* Allow scrolling if the list is too long */
    margin-top: 50px;
    margin-bottom: 50px;
    margin-left: 20px;
}

.selected-movies-container h2 {
    text-align: center;
    font-size: 23px;
    margin-bottom: 20px;
}

#selected-movies-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
    overflow-y: auto; /* Allow scrolling if content overflows */
    flex-grow: 1; /* Ensures the list takes up available vertical space */
}

#selected-movies-list li {
    margin-bottom: 10px;
    padding: 10px;
    border: 2px solid #558bf7;
    border-radius: 5px;
    display: flex;
    align-items: center;
}

#selected-movies-list li img {
    width: 25%;
    height: 25%;
    margin-right: 10px;
}

#selected-movies-list li p {
    margin: 0;
    font-size: 15px;
}