body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    padding: 2rem;
    margin: 0;
}

.day-group {
    margin-bottom: 3rem;
}

.day-header {
    font-size: 1.8rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ddd;
    padding-bottom: 0.5rem;
}

.summary-box {
    background-color: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px rgb(0 0 0 / 7%);
    font-size: 1.05rem;
    line-height: 1.6;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.card {
    background-color: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgb(0 0 0 / 8%);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border-left: 5px solid transparent;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgb(0 0 0 / 12%);
}

.card-new {
    border-left-color: #e53935;
}

.card-aging {
    background-color: #fef3c7;
}

.card-old {
    background-color: #e0e0e0;
    opacity: 0.7;
    filter: grayscale(100%);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #e0e0e0;
}

.card-image-placeholder {
    object-fit: contain;
    background-color: #f8fafc;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
    color: #1c1e21;
    line-height: 1.3;
}

.card-description {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #606770;
    flex-grow: 1;
    margin: 0 0 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-time {
    font-size: 0.8rem;
    color: #8a8d91;
    margin: 0;
}

.pagination {
    text-align: center;
    margin-top: 3rem;
    padding: 1rem 0;
}

.pagination a {
    margin: 0 0.5rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: #007bff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    transition: background-color 0.2s, color 0.2s;
}

.pagination a:hover {
    background-color: #007bff;
    color: #fff;
}

@media (width <=768px) {
    body {
        padding: 1rem;
    }

    .cards {
        gap: 1rem;
    }
}