body {
    font-family: 'Noto Sans KR', sans-serif;
}

.category-btn {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 500;
    transition: all 0.2s;
    background-color: #f1f5f9; /* bg-slate-100 */
    color: #475569; /* text-slate-600 */
}

.category-btn:hover {
    background-color: #e2e8f0; /* bg-slate-200 */
}

.category-btn.active {
    background-color: #4f46e5; /* bg-indigo-600 */
    color: #ffffff; /* text-white */
}

.quote-card {
    background-color: #ffffff;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    transition: all 0.3s;
    opacity: 0;
}

.quote-card:hover {
    transform: translateY(-0.25rem);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.quote-text {
    font-size: 1.125rem;
    line-height: 1.625;
    font-weight: 500;
    color: #1e293b;
    margin-bottom: 1.5rem;
    position: relative;
}

.quote-text::before {
    content: '"';
    position: absolute;
    top: -1rem;
    left: -1rem;
    font-size: 3rem;
    color: #e2e8f0;
    font-family: serif;
    z-index: -1;
}

.quote-author {
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 600;
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.quote-author::before {
    content: '';
    display: inline-block;
    width: 1.5rem;
    height: 1px;
    background-color: #cbd5e1;
    margin-right: 0.5rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}