body {
    color: #e5e5e5;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.1), transparent 40%),
        radial-gradient(circle at bottom right, rgba(236, 72, 153, 0.1), transparent 40%);
    z-index: -1;
    animation: background-pan 30s linear infinite;
}

#booksGrid {
    perspective: 2000px;
}

.storybook-card {
    position: relative;
    width: 250px;
    height: 350px;
    background: linear-gradient(45deg, #1e3a8a, #3b82f6);
    border-radius: 8px 4px 4px 8px;
    padding: 0;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateY(0deg);
    transition:
        transform 0.6s cubic-bezier(0.23, 1, 0.32, 1),
        box-shadow 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), inset 0 0 15px rgba(255, 255, 255, 0.05);
    text-decoration: none;
    color: #ffffff;
    animation: float 6s ease-in-out infinite;
}

#booksGrid .storybook-card:nth-child(2n) {
    animation-delay: -3s;
}

.storybook-card:hover {
    transform: perspective(1000px) rotateY(-25deg) scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(59, 130, 246, 0.5);
    animation-play-state: paused;
}

.book-cover {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.5rem;
    backface-visibility: hidden;
    transform: translateZ(1px);
}

.storybook-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -20px;
    width: 20px;
    height: 100%;
    background: linear-gradient(to right, #172554, #1e3a8a);
    transform-origin: left;
    transform: rotateY(90deg);
    border-radius: 4px 0 0 4px;
    box-shadow: inset 2px 0 5px rgba(0, 0, 0, 0.3);
}

.storybook-card::after {
    content: '';
    position: absolute;
    top: 5px;
    right: -1px;
    bottom: 5px;
    width: 15px;
    background: linear-gradient(to right, #d1d5db, #f9fafb, #d1d5db);
    transform-origin: right;
    transform: rotateY(-90deg) translateZ(249px);
    box-shadow: inset -2px 0 4px rgba(0, 0, 0, 0.1);
}

.storybook-card .emoji-container {
    font-size: 5rem;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 9999px;
    margin-bottom: 0;
}

.storybook-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #f1f5f9;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.admin-controls button {
    transition: background-color 0.2s;
}

@keyframes background-pan {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}