:root {
    --color-bg: #121212;
    --color-text: #f5f5f5;
    --color-accent: #f1c40f;
    --color-muted: #aaa;
    --color-card-bg: #1e1e1e;
    --font-title: "Creepster", cursive;
}

body {
    margin: 0;
    color: var(--color-text);
}

.library-header {
    text-align: center;
    padding: 1rem;
    font-size: 2rem;
    font-family: var(--font-title);
    color: var(--color-accent);
    background: #000;
}

.library-container {
    max-width: 1200px;
    margin: auto;
    padding: 1rem;
}

.library-search {
    text-align: center;
    margin-bottom: 1.5rem;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    justify-content: center; /* Căn giữa nếu ít card */
}

.library-card {
    display: flex;
    flex-direction: column;
    background: var(--color-card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
    position: relative;
    max-width: 270px;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
}

@keyframes spookyHover {
    0% {
        transform: translateY(-8px) scale(1.02) rotate(0deg);
    }
    50% {
        transform: translateY(-9px) scale(1.02) rotate(-1deg);
    }
    100% {
        transform: translateY(-8px) scale(1.02) rotate(1deg);
    }
}

.library-card:hover {
    animation: spookyHover 0.6s ease-in-out infinite alternate;
}
/* .library-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
    filter: brightness(0.8) saturate(0.8);
} */

.library-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s ease;
    pointer-events: none;
}

.library-card:hover::after {
    background: rgba(0, 0, 0, 0.3);
}

.library-card img {
    width: 100%;
    height: auto;
    aspect-ratio: 3/4; /* Tỉ lệ ảnh cố định, ví dụ 3:4 */
    object-fit: cover;
}

.library-card__info {
    padding: 1rem;
}

.library-card__info h3 {
    font-family: var(--font-title); /* Dùng font Creepster */
    font-size: 1.3rem; /* Nhỉnh hơn chút */
    text-transform: uppercase; /* Viết hoa toàn bộ */
    letter-spacing: 2px; /* Khoảng cách chữ */
    color: var(--color-accent);
    text-shadow: 2px 2px 0 #000, /* Bóng đen đổ chồng */ -2px -2px 0 #000,
        2px -2px 0 #000, -2px 2px 0 #000, 0 0 6px var(--color-accent),
        /* Glow vàng */ 0 0 10px var(--color-accent);
    transition: text-shadow 0.3s ease;
}

/* Khi hover vào title, glow sẽ mạnh hơn để “ma quái” hơn */
.library-card__info h3:hover {
    text-shadow: 2px 2px 0 #000, -2px -2px 0 #000, 2px -2px 0 #000,
        -2px 2px 0 #000, 0 0 10px var(--color-accent),
        0 0 15px var(--color-accent), 0 0 20px var(--color-accent);
}

.library-card__meta {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 10px;
}

.pagination button {
    background: #2c2c2c;
    border: none;
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.pagination button.active {
    background: var(--color-accent);
    color: #000;
}

@media (max-width: 600px) {
    .library-card__info h3 {
        font-size: 1rem;
    }
}