body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.container {
    display: flex;
    width: 90%;
    height: 90%;
    border: 1px solid #ccc;
    border-radius: 10px;
    background-color: #fff;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.sidebar {
    width: 20%;
    padding: 10px;
    border-right: 1px solid #ccc;
    overflow-y: auto;
}

.main {
    flex: 1;
    padding: 10px;
}

.main input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: 10px;
    overflow-y: auto;
    height: calc(100% - 60px);
    grid-auto-rows: minmax(50px, 1fr);
}

.emoji-grid div {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    background-color: #f9f9f9;
    border: 1px solid #ccc;
    border-radius: 5px;
    cursor: pointer;
    font-size: 24px;
    aspect-ratio: 1 / 1; /* Ensure the divs are square */
}

.emoji-grid div:hover {
    background-color: #eee;
}

#notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 10px;
    background-color: #4caf50;
    color: white;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transition: opacity 0.5s;
}

.hidden {
    opacity: 0;
    visibility: hidden;
}

.visible {
    opacity: 1;
    visibility: visible;
}