.card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 1.25rem;
    transition: box-shadow 0.2s, transform 0.2s;
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-summary {
    color: #6b7280;
    font-size: 0.925rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.925rem;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
}

.btn-primary {
    background: #2563eb;
    color: #fff;
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: #f3f4f6;
    color: #374151;
}

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

.pagination a,
.pagination span {
    padding: 0.5rem 0.875rem;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    font-size: 0.875rem;
}

.notice-box {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    background: #eff6ff;
    color: #1e40af;
    margin-bottom: 1.5rem;
}

.error-box {
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    background: #fef2f2;
    color: #991b1b;
}

.error-box h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}