body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: linear-gradient(to bottom, #fff8e1, #ffe0b2);
    padding: 5vh;
    color: #333;
}

h1 {
    font-size: 4vh;
    text-align: center;
    margin-bottom: 4vh;
    animation: fadeIn 1s ease-out;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15vh, 1fr));
    gap: 3vh;
    padding-top: 2vh;
}

.item {
    background: #ffffff;
    border-radius: 2vh;
    text-align: center;
    padding: 2vh;
    box-shadow: 0 0.5vh 1vh rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 50% 100%, 0 85%);
}

.item:hover {
    transform: scaleY(1.05);
}

.char {
    font-size: 6vh;
    margin-bottom: 1vh;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scaleY(0.5);
    }

    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

.category-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1vh;
    margin-bottom: 3vh;
}

.category-buttons button {
    padding: 1.5vh 2.5vh;
    font-size: 2vh;
    background-color: #0078d7;
    color: white;
    border: none;
    border-radius: 1vh;
    cursor: pointer;
    transition: background-color 0.3s;
}

.category-buttons button:hover {
    background-color: #005ea6;
}

#popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    padding: 5vh;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2vh;
    box-shadow: 0 1vh 2vh rgba(0, 0, 0, 0.2);
    text-align: center;
    z-index: 999;
    transition: transform 0.3s ease;
    font-size: 5vh;
    pointer-events: none;
}